remorked sections.

qml/HorizontalHeaderViewDelegate.qml

@@ -0,0 +1,44 @@
+// SPDX-FileCopyrightText: 2025 Martin Leutelt <martin.leutelt@basyskom.com>
+// SPDX-FileCopyrightText: 2025 basysKom GmbH
+//
+// SPDX-License-Identifier: LGPL-3.0-or-later
+
+import QtQuick
+import QtQuick.Controls
+
+Control {
+    id: container
+
+    required property int column
+    required property var model
+    property int sortOrder: Qt.AscendingOrder
+
+    signal clicked(int sortOrder)
+
+    padding: 8
+
+    background: Rectangle {
+        color: tapHandler.pressed ? "gray" : "lightgray"
+
+        TapHandler {
+            id: tapHandler
+
+            onTapped: {
+                if (container.sortOrder === Qt.AscendingOrder) {
+                    container.sortOrder = Qt.DescendingOrder
+                } else {
+                    container.sortOrder = Qt.AscendingOrder
+                }
+
+                container.clicked(container.sortOrder)
+            }
+        }
+    }
+
+    contentItem: Label {
+        horizontalAlignment: Text.AlignHCenter
+        verticalAlignment: Text.AlignVCenter
+        elide: Text.ElideRight
+        text: container.model.display
+    }
+}

qml/VerticalHeaderViewDelegate.qml

@@ -0,0 +1,26 @@
+import QtQuick
+import QtQuick.Controls
+
+Control {
+    id: container
+
+    required property int row
+    required property var model
+
+    padding: 8
+
+    background: Rectangle {
+        color: tapHandler.pressed ? "gray" : "lightgray"
+
+        TapHandler {
+            id: tapHandler
+        }
+    }
+
+    contentItem: Label {
+        horizontalAlignment: Text.AlignHCenter
+        verticalAlignment: Text.AlignVCenter
+        elide: Text.ElideRight
+        text: container.model.display
+    }
+}

qml/XMain.qml

@@ -0,0 +1,161 @@
+// SPDX-FileCopyrightText: 2025 Martin Leutelt <martin.leutelt@basyskom.com>
+// SPDX-FileCopyrightText: 2025 basysKom GmbH
+//
+// SPDX-License-Identifier: LGPL-3.0-or-later
+
+pragma ComponentBehavior: Bound
+
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+
+ApplicationWindow {
+    width: 640
+    height: 480
+    visible: true
+    title: Application.displayName
+
+    header: ToolBar {
+        ColumnLayout {
+            RowLayout {
+                Label {
+                    text: "Rows"
+                }
+                SpinBox {
+                    id: rowSettings
+                    from: 1
+                    to: 20
+                }
+
+                ToolSeparator {}
+
+                Label {
+                    text: "Columns"
+                }
+                SpinBox {
+                    id: columnSettings
+                    from: 1
+                    to: 20
+                }
+
+                ToolSeparator {}
+
+                CheckBox {
+                    id: movableColumnsSetting
+
+                    text: "Movable columns"
+                }
+
+                ToolSeparator {}
+
+                CheckBox {
+                    id: resizableColumnsSetting
+
+                    text: "Resizable columns"
+                }
+            }
+
+            RowLayout {
+                Label {
+                    text: "Selection"
+                }
+                ComboBox {
+                    id: selectionSetting
+                    textRole: "text"
+                    valueRole: "value"
+                    model: [
+                        { text: "disabled", value: TableView.SelectionDisabled },
+                        { text: "by cells", value: TableView.SelectCells },
+                        { text: "by rows", value: TableView.SelectRows },
+                        { text: "by columns", value: TableView.SelectColumns }
+                    ]
+
+                    onCurrentIndexChanged: tableView.selectionModel.clear()
+                }
+                Label {
+                    text: "Longpress to start selection, modify selection with CTRL/SHIFT of by mouse"
+                    visible: selectionSetting.currentIndex > 0
+                }
+            }
+        }
+    }
+
+    Rectangle {
+        id: tableBackground
+
+        anchors.fill: parent
+
+        color: Application.styleHints.colorScheme === Qt.Light ? palette.mid : palette.midlight
+
+        HorizontalHeaderView {
+            id: horizontalHeader
+
+            anchors.left: tableView.left
+            anchors.top: parent.top
+
+            syncView: tableView
+            movableColumns: movableColumnsSetting.checked
+            resizableColumns: resizableColumnsSetting.checked
+            clip: true
+            boundsBehavior: tableView.boundsBehavior
+
+            delegate: HorizontalHeaderViewDelegate {
+                onClicked: (sortOrder) => tableView.model.sort(column, sortOrder)
+            }
+        }
+
+        VerticalHeaderView {
+            id: verticalHeader
+
+            anchors.top: tableView.top
+            anchors.left: parent.left
+
+            syncView: tableView
+            clip: true
+            boundsBehavior: tableView.boundsBehavior
+
+            delegate: VerticalHeaderViewDelegate {}
+        }
+
+        TableView {
+            id: tableView
+
+            anchors.left: verticalHeader.right
+            anchors.top: horizontalHeader.bottom
+            anchors.right: parent.right
+            anchors.bottom: parent.bottom
+
+            clip: true
+            columnSpacing: 1
+            rowSpacing: 1
+            rowHeightProvider: (row) => 40
+            boundsBehavior: TableView.StopAtBounds
+            selectionModel: ItemSelectionModel {}
+            selectionBehavior: selectionSetting.currentValue
+
+            model: SortFilterModel {
+                sourceModel: TableModel {
+                    columns: columnSettings.value
+                    rows: rowSettings.value
+
+                    // when adding a new column its width isn't properly applied to the header, so we do that manually
+                    onColumnsInserted: {
+                        if (columns > 1) {
+                            horizontalHeader.setColumnWidth(columns - 1, tableView.implicitColumnWidth(columns - 1))
+                        }
+                    }
+                }
+            }
+            delegate: TableViewDelegate {
+                implicitWidth: tableView.width / columnSettings.to
+            }
+
+            ScrollBar.horizontal: ScrollBar {}
+            ScrollBar.vertical: ScrollBar {}
+        }
+
+        SelectionRectangle {
+            target: tableView
+        }
+    }
+}

qml/dummyview.qml

@@ -0,0 +1,56 @@
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+import QtQuick.Window
+
+ApplicationWindow
+{
+    visible: true
+    width: 600
+    height: 400
+
+    TreeView
+    {
+        anchors.fill: parent
+        clip: true
+        columnSpacing: 1
+        rowSpacing: 1
+
+        model: myChildModel
+
+        columnWidthProvider: function(column)
+        {
+            var z= 2*(width / columns);
+            console.log("Firz:", z);
+            console.log("Berechne Spaltenbreite für column:", column);
+            console.log("Aktuelle TreeView-Breite:", width);
+            return z;
+        }
+
+        delegate: Rectangle
+        {
+            required property int row
+            required property int column
+            required property var model
+
+            border.width: 0
+
+            implicitWidth: 30
+            implicitHeight: 30
+            border.color: "#cccccc"
+            //color: index % 2 === 0 ? "#f9f9f9" : "#e0e0e0"
+            color: TreeView.isSelected ? "#d0eaff" : (row % 2 === 0 ? "#f9f9f9" : "#ffffff")
+
+            Text
+            {
+                anchors.centerIn: parent
+                text:  display
+                font.pixelSize: 14
+            }
+        }
+
+        ScrollBar.horizontal: ScrollBar {}
+        ScrollBar.vertical: ScrollBar {}
+    }
+
+}

qml/xqtableview.qml

@@ -0,0 +1,65 @@
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+
+Window
+{
+    width: 640
+    height: 480
+    visible: true
+    title: qsTr("StringListModel")
+
+    TableView
+    {
+        id: childTableView
+        anchors.fill: parent
+
+        model: myChildModel  // z. B. QStandardItemModel mit 9 Spalten
+
+        delegate: Rectangle
+        {
+            required property string display
+
+            //height: 5
+            //width: childTableView.width
+            color : "blue"
+            border.color: "#ccc"
+            width: childTableView.width;
+
+            RowLayout
+            {
+                anchors.fill: parent
+                anchors.margins: 2
+
+                TextField
+                {
+                    text : display
+                    font.pixelSize: 10
+                    Layout.fillWidth: true
+
+                    background: Rectangle
+                    {
+                        color : "white"
+                    }
+
+                    onEditingFinished:
+                    {
+                        console.log("Editing finished, new text is :"+ text + " at index :" + index)
+                        model.names = text //The roles here are defined in model class
+                    }
+                }
+            }
+
+        }
+
+        ScrollBar.horizontal: ScrollBar {}
+        ScrollBar.vertical: ScrollBar {}
+
+        // // Optional: Spaltenbreiten setzen
+        // onModelChanged: {
+        //     for (let i = 0; i < model.columns; ++i)
+        //         table.setColumnWidth(i, 100)
+        // }
+    }
+
+}

qml/xqtreeview.qml

@@ -0,0 +1,47 @@
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+
+
+TreeView
+{
+    anchors.fill: parent
+    clip: true
+    columnSpacing: 1
+    rowSpacing: 1
+
+    model: xtrChildModel
+
+    columnWidthProvider: function(column)
+    {
+        var z= 1.7*(width / columns);
+        return z;
+    }
+
+    delegate: Rectangle
+    {
+        required property int row
+        required property int column
+        required property var model
+
+        border.width: 0
+
+        implicitWidth: 30
+        implicitHeight: 20
+        border.color: "#cccccc"
+        //color: index % 2 === 0 ? "#f9f9f9" : "#e0e0e0"
+        color: TreeView.isSelected ? "#d0eaff" : (row % 2 === 0 ? "#f9f9f9" : "#ffffff")
+
+        Text
+        {
+            anchors.centerIn: parent
+            text:  display
+            font.pixelSize: 12
+        }
+    }
+
+    ScrollBar.horizontal: ScrollBar {}
+    ScrollBar.vertical: ScrollBar {}
+}
+
+

quick/quickview.qml

@@ -1,35 +0,0 @@
-import QtQuick
-import QtQuick.Controls
-import QtQuick.Layouts
-
-TableView
-{
-    id: table
-    anchors.fill: parent
-    columnSpacing: 2
-    rowSpacing: 2
-    model: meinModel  // z. B. QStandardItemModel mit 9 Spalten
-
-    delegate: Rectangle
-    {
-
-        required property string display
-        width: 100
-        height: 20
-        border.color: "#ccc"
-
-        Text
-        {
-            anchors.centerIn: parent
-            text: display
-            font.pixelSize: 10
-        }
-    }
-
-    // // Optional: Spaltenbreiten setzen
-    // onModelChanged: {
-    //     for (let i = 0; i < model.columns; ++i)
-    //         table.setColumnWidth(i, 100)
-    // }
-}
-

src/application/xqappdata.h

@@ -38,6 +38,7 @@ const QString c_ProjectID          = "ProjectID";
 const QString c_ModelSheetFileName = "xml/modelsheets.xml";
 const QString c_ModelDummyFileName = "xml/saved_testfile.xtr";
 const QString c_DocumentDirectory  = "xml/";
+
 const QString c_DocumentFileName1  = "xml/modeldata1.xtr";
 const QString c_DocumentFileName2  = "xml/modeldata2.xtr";
 const QString c_DocumentFileName3  = "xml/modeldata3.xtr";

src/application/xqchildmodel.cpp

@@ -55,18 +55,12 @@ void XQChildModel::addModelData( const XQNodePtr& contentRoot )
     if (!_sections.hasValidSection(key))
       continue;
 
-    XQModelSection& section = _sections.at( key );
-    // wir speichern das parent des datenknoten auch in der
-    // section.
-    // contentEntry->parent == _contentRoot, aber halt nur weil das model flach ist
-
-    //qDebug() << " --- add section ENTRY: " <<  key << " TagName: " << contentEntry->attribute("TagName");
-
+    const XQModelSection& section = _sections.sectionByKey( key );
     section.setContentRootNode( contentEntry->parent() );
     int newRow = _sections.lastRow(section);
 
     XQNodePtr sheetNode = section.sheetRootNode();
-    XQItemList list = _itemFactory.makeRow( XQItemFactory::mData, sheetNode, contentEntry );
+    XQItemList list = _itemFactory.makeRow( sheetNode, contentEntry );
 
     // als Baum?
     //section.headerItem().appendRow( list );
@@ -76,24 +70,30 @@ void XQChildModel::addModelData( const XQNodePtr& contentRoot )
 
 }
 
+
+//! Erzeugt eine model-section und fügt den zugehörigen header ein.
+
 void XQChildModel::addSectionEntry( const QString& key, const XQNodePtr& contentEntry )
 {
-  XQModelSection& section = _sections.at( key );
+  const XQModelSection& section = _sections.sectionByKey( key );
   if(section.isValid() )
   {
     section.setContentRootNode( contentEntry->parent() );
-    int newRow = _sections.lastRow(section);
+    int newRow =_sections.lastRow(section);
     XQNodePtr sheetNode = section.sheetRootNode();
-    XQItemList list = _itemFactory.makeRow( XQItemFactory::mHeader, sheetNode, contentEntry );
+    XQItemList list = _itemFactory.makeRow( sheetNode, nullptr );
     insertRow( newRow, list);
   }
 }
 
-//! erzeugt ein adhoc-contextmenu, je nachdem welche aktionen gerade möflich sind.
+
+//! erzeugt ein adhoc-contextmenu, je nachdem welche aktionen gerade möglich sind.
 
 void XQChildModel::initContextMenu()
 {
 
+  _sections.dump();
+
   // __fixme! add a menu title
   _contextMenu->clear();
 
@@ -113,7 +113,7 @@ void XQChildModel::initContextMenu()
 
   // __fixme! set 'toggle section <name>' entry
   //contextMenu.actions().first()->setText("<name>");
-  _contextMenu->addAction( "icn29Dummy", "Toggle Section", XQCommand::cmdToggleSection, hasSel);
+  _contextMenu->addAction( "icn29Dummy", "Hide Section", XQCommand::cmdToggleSection, true );
 }
 
 

src/application/xqdocumentstore.cpp

@@ -18,8 +18,8 @@
 
 //! erzeugt ein docukument
 
-XQDocument::XQDocument(const QString& aFileName, const QString& aFriendlyName, XQItem* aTreeItem, XQViewModel* aModelView )
-    : fileName{ aFileName }, friendlyName{ aFriendlyName }, treeItem{ aTreeItem }, modelView{ aModelView }
+XQDocument::XQDocument(const QString& aFileName, const QString& aFriendlyName, XQItem* aTreeItem, XQViewModel* aViewModel )
+    : fileName{ aFileName }, friendlyName{ aFriendlyName }, treeItem{ aTreeItem }, viewModel{ aViewModel }
 {
 
 }
@@ -44,9 +44,9 @@ XQDocumentStore::~XQDocumentStore()
 
 //! erzeugt ein document eintrag
 
-void XQDocumentStore::addDocument( const QString& aFileName, const QString& aFriendlyName, XQItem* aTreeItem, XQViewModel* aModelView )
+void XQDocumentStore::addDocument(const QString& aFileName, const QString& aFriendlyName, XQItem* aTreeItem, XQViewModel* aViewModel )
 {
-  XQDocument newDocument( aFileName, aFriendlyName, aTreeItem, aModelView );
+  XQDocument newDocument( aFileName, aFriendlyName, aTreeItem, aViewModel );
   addAtKey(  aFileName, newDocument );
   // attention: this assumes the presence of the 'ProjectID' value
   //addAlias( aFileName, aTreeItem->attribute(c_ProjectID) );

src/application/xqdocumentstore.h

@@ -28,12 +28,10 @@ struct XQDocument
   XQDocument() = default;
   XQDocument( const QString& aFileName, const QString& aFriendlyName, XQItem* aTreeItem, XQViewModel* aModelView );
 
-  virtual ~XQDocument() = default;
-
   QString      fileName; // also used as key
   QString      friendlyName;
   XQItem*      treeItem{};
-  XQViewModel* modelView{};
+  XQViewModel* viewModel{};
 
 };
 
@@ -46,11 +44,7 @@ public:
   XQDocumentStore() = default;
   virtual ~ XQDocumentStore();
 
-  void addDocument( const QString& aFileName, const QString& aFriendlyName, XQItem* aTreeItem, XQViewModel* aModelView );
-
-protected:
-
-  XQNode _treeRootNode{ "treeRootNode" };
+  void addDocument( const QString& aFileName, const QString& aFriendlyName, XQItem* aTreeItem, XQViewModel* aViewModel );
 
 };
 

src/application/xqmainmodel.cpp

@@ -45,57 +45,57 @@ void XQMainModel::initContextMenu()
 
 XQItem* XQMainModel::addProjectItem( XQNodePtr contentNode )
 {
-  // wir durchsuchen alle unsere section nach dem passenden content-type,
-  // hier: content-type beschreibt die
+  // wir durchsuchen alle unsere sections nach dem passenden content-type,
+  // hier: content-type beschreibt den projekt-status
 
+  const QString& sectionKey = contentNode->attribute(c_ContentType);
+  if( _sections.hasValidSection( sectionKey ) )
+  {
+    const XQModelSection& section = _sections.sectionByKey( sectionKey );
+    qDebug() << " --- add PROJECT: contentNode: " << contentNode->to_string();
 
+    // __fixme! das ist mist!
+    const XQNodePtr sheetNode = section.sheetRootNode()->first_child();
+    XQItem* newItem = _itemFactory.makeSingleItem( sheetNode, contentNode->attribute( "ProjectName") );
+
+    // den neuen eintrag in die passende section der übersicht eintragen ...
+    section.headerItem().appendRow( newItem );
+    // erzeuger sheet node speichern
+    newItem->setSheetNode( sheetNode );
+    expandNewItem(section.headerItem().index() );
+    return newItem;
+  }
+
+  /*
   for(const auto& section : _sections )
   {
-
-    if( contentNode->attribute( c_ContentType) == section.contentType() )
+    if( contentNode->attribute(c_ContentType) == section.contentType() )
     {
-
       qDebug() << " --- add PROJECT: contentNode: " << contentNode->to_string();
 
       // __fixme! das ist mist!
       const XQNodePtr sheetNode = section.sheetRootNode()->first_child();
-      XQItemList list = _itemFactory.makeRow( XQItemFactory::mSingle, sheetNode, contentNode, "ProjectName");
+      XQItem* newItem = _itemFactory.makeSingleItem( sheetNode, contentNode->attribute( "ProjectName") );
 
       // den neuen eintrag in die passende section der übersicht eintragen ...
-      section.headerItem().appendRow( list );
-      // ... ausklappen...
-      const QModelIndex index = section.headerItem().index();
-      _treeTable->expand( index );
-      // ... und markieren
-      _treeTable->setCurrentIndex( index );
-      // quellknoten auch speichern
-      //newItem->setContentNode( contentNode );
-      //emit itemCreated( newItem );
-
-      XQItem* newItem = dynamic_cast<XQItem*>(list[0]);
+      section.headerItem().appendRow( newItem );
       // erzeuger sheet node speichern
       newItem->setSheetNode( sheetNode );
+      expandNewItem(section.headerItem().index() );
       return newItem;
-
     }
-
   }
-
+  */
 
   throw XQException( "addProjectItem: main model should not be empty!" );
 }
 
 void XQMainModel::addSectionItem( const XQModelSection& section, XQItem* projectItem )
 {
-  return;
-
-
-  // ich brauche _meine_ section für den sheetNode!
-
-
   XQNodePtr sheetNode = projectItem->sheetNode()->find_child_by_tag_name("CurrentSection");
-  XQItemList list = _itemFactory.makeRow( XQItemFactory::mSingle, sheetNode, nullptr, c_ContentType );
-  projectItem->appendRow( list );
-  _treeTable->expand( projectItem->index() );
-
+  XQItem* newItem = _itemFactory.makeSingleItem( sheetNode,  section.contentType() );
+  projectItem->appendRow( newItem );
+  expandNewItem(projectItem->index() );
 }
+
+

src/application/xqmainmodel.h

@@ -35,6 +35,7 @@ public:
   XQItem* addProjectItem( XQNodePtr contentNode );
   void    addSectionItem( const XQModelSection& section, XQItem* projectItem );
 
+
 protected:
 
   void initContextMenu() override;

src/application/xqmainwindow.cpp

@@ -88,18 +88,26 @@ void XQMainWindow::initMainWindow()
   connect( _actionExit,   &QAction::triggered, this, &XQMainWindow::onExit );
   connect( _actionAbout,  &QAction::triggered, this, &XQMainWindow::onAbout );
 
-  //connect( _mainTreeView, SIGNAL(doubleClicked(QModelIndex)), this, SLOT(onDoubleClicked(QModelIndex)) );
-  connect( _mainTreeView, SIGNAL(clicked(QModelIndex)),  this, SLOT(onTreeItemClicked(QModelIndex)) );
-  connect( _tabWidget,    SIGNAL(tabBarClicked(int)),    this, SLOT(onTabClicked(int)) );
+  connect( _tabWidget,    SIGNAL(tabBarClicked(int)),    this, SLOT(onChildViewTabClicked(int)) );
 
+  //connect(&_mainModel, &QStandardItemModel::itemChanged, this, &XQMainWindow::onTreeItemChanged );
+  //connect( _mainTreeView, SIGNAL(doubleClicked(QModelIndex)), this, SLOT(onDoubleClicked(QModelIndex)) );
+  //connect( _mainTreeView, SIGNAL(clicked(QModelIndex)),  this, SLOT(onTreeItemClicked(QModelIndex)) );
+
+  connect(&_mainModel, &XQViewModel::xqItemChanged, this, &XQMainWindow::onTreeViewItemChanged );
+
+  connect( _mainTreeView, &QTreeView::clicked, this, [&,this](const QModelIndex& index)
+  {
+    onTreeViewItemClicked( XQItem::xqItemFromIndex(index) );
+  });
 
 
   /*
-  connect( &_mainModelView, &XQViewModel::itemCreated, this, [=, this](XQItem* item)
+  connect( &_mainModel, &XQViewModel::itemCreated, this, [=, this](XQItem* item)
   {
     // when a new main tree item has been created ...
-    QString pID = item->contentNode()->attribute(c_ProjectID);
-    _mainTreeView->setCurrentIndex( item->index() );
+    QString pID = item.contentNode()->attribute(c_ProjectID);
+    _mainTreeView->setCurrentIndex( item.index() );
     // ... we set the current view to this node
     if( _documentStore.contains( pID ) )
       _tabWidget->setCurrentWidget( _documentStore[pID].modelView->treeTable() );
@@ -109,15 +117,16 @@ void XQMainWindow::initMainWindow()
   try
   {
     // hand over undostack
-    _mainModelView.setUndoStack(&_undoStack);
+    _mainModel.setUndoStack(&_undoStack);
     // hand over left side navigation tree
-    _mainModelView.setTreeTable(_mainTreeView);
+    _mainModel.setTreeTable(_mainTreeView);
     // #1. init the left side main tree view
-    _mainModelView.initModel( c_MainModelName );
+    _mainModel.initModel( c_MainModelName );
 
     // #2. load demo data
     loadDocument( c_DocumentFileName1 );
     //loadDocumentQML( c_DocumentFileName2 );
+    loadDocument( c_DocumentFileName2 );
 
     qDebug() << " --- all here: " << XQNode::s_Count;
 
@@ -232,7 +241,7 @@ void XQMainWindow::onAbout()
   QMessageBox msgBox(QMessageBox::NoIcon, "About", "", QMessageBox::Ok);
 
   QString text = "<b>xtree concept</b><br>";
-  text += "2024 c.holzheuer<br><br>";
+  text += "2024-2025 c.holzheuer<br><br>";
   text += "<a href=\"https://sourceworx.org/xtree\">sourceworx.org/xtree</a>";
 
   msgBox.setTextFormat(Qt::RichText); // This allows you to click the link
@@ -242,46 +251,70 @@ void XQMainWindow::onAbout()
 }
 
 
+
 //! wenn ein item im navigations-baum geklickt wird, soll die document
 //! view rechts angepasst werden.
 
-void XQMainWindow::onTreeItemClicked(const QModelIndex& index )
+void XQMainWindow::onTreeViewItemClicked( const XQItem& item )
 {
+  /*
+  _mainTreeView->selectionModel()->select(item.index(), QItemSelectionModel::Select);
 
-  XQItem& entry = XQItem::xqItemFromIndex(index);
-
-  qDebug() << " --- XXX mainWindow onTreeItemClicked:" << entry.text();
-  _mainTreeView->selectionModel()->select(index, QItemSelectionModel::Select);
-
-  if( XQNodePtr contentNode = entry.contentNode() )
+  if( XQNodePtr contentNode = item.contentNode() )
   {
     QString key = contentNode->attribute(c_ProjectID);
-    qDebug() << " --- FIRZ: key: " << key;
-
     bool isThere = _documentStore.contains(key);
     if( isThere)
-      _tabWidget->setCurrentWidget( _documentStore[key].modelView->treeTable() );
+      _tabWidget->setCurrentWidget( _documentStore[key].viewModel->treeTable() );
   }
+  */
 
+  qDebug() << " --- Tree item CLICK:"  << item.text() << " : " << item.itemType().text();
+  if( item.itemType().text() == "TreeChildType" )
+  {
+    setChildTabByName( item.text() );
+  }
+}
 
+void XQMainWindow::onTreeViewItemChanged(const XQItem& item )
+{
+  qDebug() << " --- TREE VIEW itemChanged:" << item.text() << " : " << item.parent()->text();
+  // hier müssen wir erst das projekt aktivieren
+  XQItem* xqItem = static_cast<XQItem*>(item.parent());
+  onTreeViewItemClicked( *xqItem );
+  //if( item.itemType().text() == "TreeSectionType" )
+  {
+    int idx = _tabWidget->currentIndex();
+    if(_documentStore.contains(idx) )
+    {
+      qDebug() << " --- should toggle: " << item.text();
+      XQViewModel& childModel = *_documentStore[idx].viewModel;
+      childModel.onToggleSection(item.text());
+    }
+  }
 }
 
 
 //! beim click auf ein tab im linken fenster wird der navigationsbaum angepasst.
 
-void XQMainWindow::onTabClicked( int index )
+void XQMainWindow::onChildViewTabClicked( int idx )
 {
-  //const QString& key = _documentStore[index].treeItem->attribute( c_ProjectID );
-  //qDebug() << " ---- tab clicked: " << index  << " : " << _documentStore[index].friendlyName;// << ": " << key;
-  //_mainTreeView->setCurrentIndex( _documentStore[index].treeItem->index() );
+  if(_documentStore.contains(idx) )
+  {
+    QModelIndex treeIndex =_documentStore[idx].treeItem->index();
+    _mainModel.expandNewItem( treeIndex );
+  }
 }
 
+
+//! firz
+
 void XQMainWindow::onSectionCreated( const XQModelSection& section )
 {
   qDebug() << " --- XXX section created: " << section.contentType() << ":" << section.sheetRootNode()->to_string();
   if( _currentProjectItem )
   {
-     _mainModelView.addSectionItem( section, _currentProjectItem );
+     _mainModel.addSectionItem( section, _currentProjectItem );
   }
 }
 
@@ -290,16 +323,16 @@ void XQMainWindow::onSectionToggled( const XQModelSection& section )
   //qDebug() << " --- XXX section toggled: " << section.contentType() << ":" << section.sheetRootNode()->to_string();
 }
 
-QStandardItemModel* createModel() {
-  auto* model = new QStandardItemModel;
-  model->setHorizontalHeaderLabels({ "Name" });
-
-  QStandardItem* parent = new QStandardItem("Tiere");
-  parent->appendRow(new QStandardItem("Hund"));
-  parent->appendRow(new QStandardItem("Katze"));
-  model->appendRow(parent);
-
-  return model;
+void XQMainWindow::setChildTabByName( const QString& key )
+{
+  for( int i=0; i<_documentStore.size(); ++i )
+  {
+    if( key ==  _documentStore[i].friendlyName)
+    {
+      _tabWidget->setCurrentIndex(i);
+      return;
+    }
+  }
 }
 
 void XQMainWindow::loadDocumentQML( const QString& fileName )
@@ -319,8 +352,6 @@ void XQMainWindow::loadDocumentQML( const QString& fileName )
   // das als Namen verwendet wird.
   const QString& fName = contentRoot->friendly_name();
 
-  QStandardItemModel* model = createModel();
-
   // Ein neues Child-Model erzeugen
   XQChildModel* childModel = new XQChildModel(this);
   // die Modelstruktur anlegen
@@ -331,13 +362,12 @@ void XQMainWindow::loadDocumentQML( const QString& fileName )
   XQQuickWidget* quickChild = new XQQuickWidget(_tabWidget);
   //quickChild->setResizeMode(QQuickWidget::SizeViewToRootObject);
 
-  quickChild->rootContext()->setContextProperty("meinModel", childModel);
-   quickChild->setSource(QUrl(QStringLiteral("qrc:/quickview.qml")));
-  _tabWidget->addTab( quickChild, "Fitze!" );
+  quickChild->rootContext()->setContextProperty("xtrChildModel", childModel);
+   quickChild->setSource(QUrl("qrc:/xqtreeview.qml"));
+  _tabWidget->addTab( quickChild, "QML:"+fName );
   _tabWidget->setCurrentWidget( quickChild );
   quickChild->setResizeMode(QQuickWidget::SizeRootObjectToView);
 
-
 }
 
 //! liest eine XML datei namens 'fileName'
@@ -369,13 +399,13 @@ void XQMainWindow::loadDocument( const QString& fileName )
   // 'friendly Name' ist ein Link auf ein anderes Attribute
   // das als Namen verwendet wird.
   const QString& fName = contentRoot->friendly_name();
-  QString pTitle = QString("Project %1: %2").arg( pID, fName );
+  QString pTabTitle = QString("Project %1: %2").arg( pID, fName );
 
   // Eine neue TreeView erzeugn und im TabWidget parken.
   XQTreeTable* childTreeView = new XQTreeTable(_tabWidget);
-  _tabWidget->addTab( childTreeView, pTitle );
+  _tabWidget->addTab( childTreeView, pTabTitle );
   _tabWidget->setCurrentWidget( childTreeView );
-  setWindowTitle( pTitle );
+  setWindowTitle( pTabTitle );
 
   // Ein neues Child-Model erzeugen
   XQChildModel* childModel = new XQChildModel(this);
@@ -390,8 +420,8 @@ void XQMainWindow::loadDocument( const QString& fileName )
   childModel->setTreeTable(childTreeView);
 
   // neuen eintrag im übsichts-baum erzeugen
-  _currentProjectItem = _mainModelView.addProjectItem( contentRoot );
-  _documentStore.addDocument( fileName, pTitle, _currentProjectItem, childModel );
+  _currentProjectItem = _mainModel.addProjectItem( contentRoot );
+  _documentStore.addDocument( fileName, fName, _currentProjectItem, childModel );
 
   // die Modelstruktur anlegen
   childModel->initModel( c_ChildModelName );
@@ -409,7 +439,9 @@ void XQMainWindow::saveDocument( const QString& fileName )
 {
   XQNodeWriter nodeWriter;
   int curIdx = _tabWidget->currentIndex();
-  XQNodePtr rootNode = _documentStore[curIdx].treeItem->contentNode();
+  //XQNodePtr rootNode = _documentStore[curIdx].treeItem->contentNode();
+  XQNodePtr rootNode = _documentStore[curIdx].viewModel->contentRootNode();
+  Q_ASSERT(rootNode);
   nodeWriter.dumpTree( rootNode, fileName );
 }
 

src/application/xqmainwindow.h

@@ -35,6 +35,11 @@ public:
 
 public slots:
 
+  virtual void onMyFirz(XQItem& item)
+  {
+    qDebug() << " --- myFirz: " << item.text();
+  }
+
   void onUndo();
   void onRedo();
 
@@ -46,30 +51,32 @@ public slots:
   void onAbout();
   void onExit();
 
-  void onTreeItemClicked(const QModelIndex& index );
-  void onTabClicked( int index );
+  void onTreeViewItemClicked( const XQItem& item );
+  void onTreeViewItemChanged( const XQItem& item );
+  void onChildViewTabClicked( int index );
+
   //void onItemCreated( XQItem* item );
   void onSectionCreated( const XQModelSection& section);
   void onSectionToggled( const XQModelSection& section );
 
+  void setChildTabByName( const QString& key );
+
+  static void setupWorkingDir();
 
 protected:
 
-  void setupWorkingDir();
-
   // fixme implement
-  void showDocumnet( const QString& key ){}
+  void showDocument( const QString& key ){}
   void loadDocument( const QString& fileName );
   void loadDocumentQML( const QString& fileName );
   void saveDocument( const QString& fileName );
 
-
   QUndoStack      _undoStack;
   XQDocumentStore _documentStore;
 
-  XQMainModel     _mainModelView;
+  XQMainModel     _mainModel;
   XQItem*         _currentProjectItem{};
-
+  //XQChildModel*   _currentChildModel{};
 
 };
 

src/items/xqitem.cpp

@@ -116,6 +116,8 @@ XQItem::XQPrefixExponentMap XQItem::s_PrefixExponentMap
 };
 
 
+//! Default konstruktor, setzt einen ungültigen (dummy)
+//! itemType.
 
 XQItem::XQItem()
   : XQItem{XQItemType::staticItemType()}
@@ -123,6 +125,9 @@ XQItem::XQItem()
 
 }
 
+
+//! Default konstruktor mit einem vorhandenen itemType.
+
 XQItem::XQItem( XQItemType* itemType )
     : QStandardItem{}
 {
@@ -130,12 +135,21 @@ XQItem::XQItem( XQItemType* itemType )
 }
 
 
-XQItem::XQItem(XQItemType* itemType, const QString *content )
+//! konstruiert ein daten-item mit zeiger auf 'unser' attribut
+//! im übergeordneten content-node.
+
+XQItem::XQItem(XQItemType* itemType, const QString* content )
   : XQItem{ itemType }
 {
-  setContent(content);
+  // hier setzen wir direkt ohne umwege den string pointer
+  QStandardItem::setData( QVariant::fromValue<const QString*>(content), XQItem::ContentRole );
 }
 
+XQItem::XQItem( XQItemType* itemType, const QString& content )
+  : XQItem{ itemType }
+{
+   setText(content);
+}
 //! ruft den copy-konstruktor auf.
 
 XQItem* XQItem::clone() const
@@ -147,21 +161,35 @@ XQItem* XQItem::clone() const
 //! false für ein ungültiges item. 'ungültig' heisst hier, dass nur ein
 //! mockup-itemtype gesetzt ist.
 
-bool XQItem::isValid() const
+bool XQItem::isValidX() const
 {
   XQItemType* dummyType = XQItemType::staticItemType();
   return QStandardItem::data( XQItem::ItemTypeRole ).value<XQItemType*>() != dummyType;
 }
 
 
+bool XQItem::hasContentNode() const
+{
+  if( column() == 0)
+  {
+    QVariant value = QStandardItem::data( XQItem::ContentNodeRole );
+    return !value.isNull();
+  }
+
+  // sonst: delegieren an den node-Besitzer
+  QModelIndex pIndex = model()->index( row(), 0  );
+  if( pIndex.isValid() )
+  {
+    XQItem& firstItem =  xqItemFromIndex( pIndex );
+    return firstItem.hasContentNode();
+  }
+}
+
 //! gibt den content-node zurück.
 
 XQNodePtr XQItem::contentNode() const
 {
-  XQNodePtr node = data( ContentNodeRole ).value<XQNodePtr>();
-  if( node )
-    return node;
-  throw XQException("XQItem::contentNode() nullptr");
+  return data( ContentNodeRole ).value<XQNodePtr>();
 }
 
 
@@ -319,37 +347,23 @@ QString XQItem::rawText() const
 
 
 //! Gibt den string-zeiger auf das attribut aus unseren XQNodePtr zurück.
-
+/*
 QString* XQItem::content() const
 {
-  // macht jetzt das, ws draufsteht: gibt einen string* zurück
+  // macht jetzt das, was draufsteht: gibt einen string* zurück
   return data( XQItem::ContentRole ).value<QString*>();
 }
+*/
 
 
-//! set den content()-string pointer. (als leihgabe)
-
-void XQItem::setContent( const QString* content )
-{
-  setData( QVariant::fromValue<const QString*>(content), XQItem::ContentRole );
-}
-
-
-//! holt den schlüssel bzw. bezeicher des content() string aus 'unserem' content knoten.
-
-QString XQItem::contentKey() const
-{
-  return contentNode()->attributes().key_of( rawText() );
-}
-
-//! gibt den content-format string zurück
+//! Gibt den content-format string zurück
 
 QString XQItem::contentFormat() const
 {
   return data( XQItem::ContentFormatRole ).toString();
 }
 
-//! setz den den content format-string. wird im itemType gespeichert.
+//! Setzt den den content format-string. wird im itemType gespeichert.
 
 void XQItem::setContentFormat(const QString& contentFormat)
 {
@@ -357,7 +371,7 @@ void XQItem::setContentFormat(const QString& contentFormat)
 }
 
 
-//! gibt das read-only auswahl-model zurück (wenn dieses item als
+//! Gibt das read-only auswahl-model zurück (wenn dieses item als
 //! combobox gerendert wird). wird im itemType gespeichert.
 
 QStandardItemModel* XQItem::fixedChoices() const
@@ -413,6 +427,30 @@ QString XQItem::dataRoleName(int role) const
   return XQItem::fetchItemDataRoleName(role);
 }
 
+bool XQItem::hasContentPtr() const
+{
+  return !QStandardItem::data( XQItem::ContentRole ).isNull();
+}
+
+//! Gibt den content()-String zurück, sofern vorhanden.
+//! sonst: gibt der ihnalt der Qt::DisplayRole als fallback
+//! zurück.
+
+QString XQItem::contentFallBackText() const
+{
+  if( hasContentPtr() )
+  {
+    const QString* contentPtr = QStandardItem::data( XQItem::ContentRole ).value<const QString*>();
+    if(contentPtr)
+      return *contentPtr;
+  }
+
+  // wenn wir keinen contentPtr haben, benutzen wir als fallback
+  // die basis-text() role
+  return QStandardItem::data( Qt::DisplayRole ).toString();
+
+}
+
 //! angespasste variante von qstandarditem::setData. geteilte attribute
 //! werden vom xqitemtype geholt
 
@@ -438,33 +476,34 @@ QVariant XQItem::data(int role ) const
       return itemType().data(role);
     }
 
-    // Zugriffe auf den sichtbaren inhalt geben den inhalt des string pointer
-    // auf ein feld in content node wieder.
-
-    // DisplayRole gibt den formatieren inhalt wieder. die formatierung übernimmt
-    // der item type
-    // auf den original inhalt im content node zurückgeben.
-
-    case Qt::DisplayRole :
+    case XQItem::ContentRole:
     {
-      if( itemType().renderStyle() == XQItem::FormattedStyle)//return "display:"+content();
-        return itemType().formatText( *this );
-      [[fallthrough]];
+      qDebug() << " --- data(XQItem::ContentRole) should NOT be called!";
+      return *QStandardItem::data( XQItem::ContentRole ).value<QString*>();
     }
 
     // EditRole & ContentRole sollen den 'rohen' inhalt unseres string-pointers
     // auf den original inhalt im content node zurückgeben.
 
-    case Qt::EditRole :
-    case XQItem::ContentRole:
+    case Qt::EditRole :  
     {
+      // Zugriffe auf den text-inhalt geben den inhalt des string pointer
+      // auf ein feld in content-node wieder. Wenn kein content-node vorhanden
+      // ist (single-items), wird Qt::DisplayRole zurückgeliefert.
 
-      const QString* contentPtr = QStandardItem::data( XQItem::ContentRole ).value<const QString*>();
-      if(contentPtr)
-        return *contentPtr;
+      return contentFallBackText();
+      //[[fallthrough]];
+    }
 
-      static const QString s_dummyContent("-");
-      return s_dummyContent;
+    // DisplayRole gibt den formatierten inhalt wieder. die formatierung übernimmt
+    // der item type
+
+    case Qt::DisplayRole :
+    {
+      QString plainText = contentFallBackText();
+      if( renderStyle() == XQItem::FormattedStyle)
+        return XQItemType::formatToSI( plainText, unitType() );
+      return plainText;
     }
 
     case Qt::ToolTipRole:
@@ -479,16 +518,30 @@ QVariant XQItem::data(int role ) const
 
     case ContentNodeRole:
     {
-        // Das Node-Besitzer-Item wohnt in der ersten Spalte,
-        // wenn wir also der  Node-Besitzer item sind ...
-        if( column() == 0)
-            return QStandardItem::data( XQItem::ContentNodeRole );
+      // Das Node-Besitzer-Item wohnt in der ersten Spalte,
+      // wenn wir also der  Node-Besitzer item sind ...
+      if( column() == 0)
+      {
+        QVariant value = QStandardItem::data( XQItem::ContentNodeRole );
+        if( !value.isNull() )
+          return value;
 
-        // sonst: delegieren an den node-Besitzer
-        QModelIndex pIndex = model()->index( row(), 0  );
+        // das gibt immerhin was zurück, was auf nullptr getestet werden kann,
+        return QVariant::fromValue<XQNodePtr>(nullptr);
+
+        // diese variante erzieht uns zur verwendung von 'hasContentNode()'
+        // was ist besser ?
+        throw XQException( "ContentNode is nullptr!");
+      }
+
+      // sonst: delegieren an den node-Besitzer
+      QModelIndex pIndex = model()->index( row(), 0  );
+      if( pIndex.isValid())
+      {
         XQItem& firstItem =  xqItemFromIndex( pIndex );
-
         return firstItem.data( XQItem::ContentNodeRole );
+      }
+      throw XQException( "Item has no valid index (yet)!");
     }
 
     case Qt::StatusTipRole:
@@ -537,7 +590,6 @@ void XQItem::setData(const QVariant& value, int role )
 {
   switch(role)
   {
-
     case RenderStyleRole :
     case EditorTypeRole :
     case UnitTypeRole:
@@ -557,30 +609,31 @@ void XQItem::setData(const QVariant& value, int role )
       return;
     }
 
-    // set the raw, unformatted data
-    case ContentRole:
+    case Qt::DisplayRole:
+    case Qt::EditRole:
+    case XQItem::ContentRole:
     {
-       // string ptr setzen kann die basis.
-      break;
-    }
+      QVariant newValue;
+      if( itemType().renderStyle() == XQItem::FormattedStyle)
+        newValue = XQItemType::unFormatFromSI( value.toString() );
+      else
+        newValue = value;
 
-    case Qt::EditRole :
-    {
-      qDebug() << " --- setting EDITrole: " << value.toString();
-      break;
-    }
+      // fallback: wenns keinen content node gibt, dann nehmen wir
+      // das standardverfahren.
+      if( !hasContentPtr() )
+        return QStandardItem::setData( newValue, Qt::DisplayRole );
 
-    case Qt::DisplayRole :
-    {
-      // what will happen? value is a string ptr ?!
-      qDebug() << " --- setting DISPLAYrole: " << value.toString();
-      break;
+      // wir nehmen den string pointer
+      const QString* constContentPtr = QStandardItem::data( XQItem::ContentRole ).value<const QString*>();
+      // aua, aua, muss aber sein, weil sonst alle anderen consts nicht durchgehalten werden könnten
+      *const_cast<QString*>(constContentPtr) = newValue.toString();
+      return;
     }
 
     // alles andere wie gehabt
     case ContentNodeRole:
     case SheetNodeRole:
-
     //case TypeKeyRole: not used
     default:
       break;
@@ -694,13 +747,10 @@ XQItem::UnitType XQItem::fetchUnitType(const QString& unitTypeKey)
   return s_UnitTypeMap.key(unitTypeKey);
 }
 
+
 //! gibt die bezeichung für den gegebenen unitType aus.
 
 QString XQItem::fetchUnitTypeToString( UnitType unitType)
 {
   return s_UnitTypeMap[unitType];
 }
-
-/// ---
-/// ---
-/// ---

src/items/xqitem.h

@@ -15,6 +15,7 @@
 #ifndef XQITEM_H
 #define XQITEM_H
 
+#include <QtQmlIntegration>
 #include <QVariant>
 #include <QVector>
 #include <QStandardItem>
@@ -35,6 +36,8 @@ class XQItemType;
 class XQItem : public QStandardItem
 {
 
+  QML_ELEMENT
+
   friend class XQItemFactory;
 
 public:
@@ -130,6 +133,7 @@ public:
   XQItem();
   XQItem( XQItemType* itemType );
   XQItem( XQItemType* itemType, const QString* content );
+  XQItem( XQItemType* itemType, const QString& content );
 
   virtual ~XQItem() = default;
 
@@ -137,14 +141,16 @@ public:
   //! -- not used at the moment --
   XQItem* clone() const override;
 
-  //!
-  bool isValid() const;
+  //! __fix Tested, ob ein itemtype vorhanden ist.
+  bool isValidX() const;
 
-   //! gibt den zu diesem item gehörigen datenknoten zurück
-  virtual XQNodePtr contentNode() const;
+  bool      hasContentNode() const;
+  //! gibt den zu diesem item gehörigen datenknoten zurück
+  XQNodePtr contentNode() const;
 
-  virtual XQNodePtr sheetNode() const;
-  virtual void      setSheetNode( const XQNodePtr& sheetNode );
+
+  XQNodePtr sheetNode() const;
+  void      setSheetNode( const XQNodePtr& sheetNode );
 
   XQItemType&      itemType() const;
   void             setItemType( XQItemType* itemTypePtr );
@@ -159,9 +165,8 @@ public:
   QString         rawText() const;
 
   // changed: gibt jetzt den  pointer zurück.
-  QString*        content() const;
-  QString         contentKey() const;
-  void            setContent( const QString* content );
+  //QString*        content() const;
+  //void            setContent( const QString* content );
 
   //
   // Convenience-Funktionen zum Memberzugriff, die Implementierung
@@ -238,6 +243,10 @@ protected:
   XQItem(const XQItem& other) = default;
   XQItem& operator=(const XQItem& other) = default;
 
+  bool    hasContentPtr() const;
+  QString contentFallBackText() const;
+
+  // das ist protected, weil damit der content()-zugriff demoliert werden kann
   void setContentNode(const XQNodePtr& contentNode );
 
   using XQItemFlagMap       = QMap<QString,int>;
@@ -259,9 +268,7 @@ protected:
 
 };
 
-
-
-
+Q_DECLARE_METATYPE(XQItem);
 Q_DECLARE_METATYPE(XQItem::RenderStyle);
 Q_DECLARE_METATYPE(XQItem::EditorType);
 Q_DECLARE_METATYPE(XQItem::UnitType);

src/items/xqitemdelegate.cpp

@@ -28,6 +28,8 @@
 #include <xqviewmodel.h>
 
 
+//! firz
+
 class XQItemEditorFactory : public QItemEditorFactory
 {
 public:
@@ -60,6 +62,7 @@ public:
 };
 
 
+//! firz
 
 XQItemDelegate::XQItemDelegate( XQViewModel& modelView)
     : _modelView{modelView}
@@ -69,6 +72,8 @@ XQItemDelegate::XQItemDelegate( XQViewModel& modelView)
 }
 
 
+//! firz
+
 XQTreeTable* XQItemDelegate::treeTable() const
 {
   return _modelView.treeTable();
@@ -81,40 +86,40 @@ XQItem& XQItemDelegate::xqItemFromIndex( const QModelIndex& index ) const
 }
 
 
+//! firz
+
 void XQItemDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const
 {
   if( !index.isValid() )
     qDebug() << " index DEAD!";
 
   XQItem& item = xqItemFromIndex( index );
-  if( item.isValid() )
+
+
+  switch( item.renderStyle()  )
   {
+      case XQItem::HeaderStyle :
+        return drawHeaderStyle( painter, option, index );
 
-    switch( item.renderStyle()  )
-    {
-        case XQItem::HeaderStyle :
-          return drawHeaderStyle( painter, option, index );
+      case XQItem::ComboBoxStyle :
+         return drawComboBoxStyle( painter, option, index );
 
-        case XQItem::ComboBoxStyle :
-           return drawComboBoxStyle( painter, option, index );
+      case XQItem::HiddenStyle :
+        return;
 
-        case XQItem::HiddenStyle :
-          return;
-
-      //case XQItem::ProgressBarStyle :
-      //  return drawProgressBarStyle( painter, option, index );
+    //case XQItem::ProgressBarStyle :
+    //  return drawProgressBarStyle( painter, option, index );
 
 
-        default:
-          break;
-    } // switch
-
-  }
+      default:
+        break;
+  } // switch
 
   QStyledItemDelegate::paint(painter, option, index);
 
 }
 
+
 //! einen section header im header-style zeichnen
 
 void XQItemDelegate::drawHeaderStyle(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const
@@ -150,7 +155,10 @@ void XQItemDelegate::drawHeaderStyle(QPainter* painter, const QStyleOptionViewIt
   }
 }
 
-void XQItemDelegate::drawProgressBarStyle(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
+
+//! firz
+
+void XQItemDelegate::drawProgressBarStyle(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const
 {
 
   int progress = index.data(XQItem::ContentRole ).toInt();
@@ -168,7 +176,10 @@ void XQItemDelegate::drawProgressBarStyle(QPainter *painter, const QStyleOptionV
 
 }
 
-void XQItemDelegate::drawComboBoxStyle(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
+
+//! firz
+
+void XQItemDelegate::drawComboBoxStyle(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const
 {
 
   QWidget* srcWidget = qobject_cast<QWidget*>(option.styleObject);
@@ -197,6 +208,8 @@ void XQItemDelegate::drawComboBoxStyle(QPainter *painter, const QStyleOptionView
   painter->restore();
 }
 
+//! firz
+
 void XQItemDelegate::drawSpinBoxStyle(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const
 {
 
@@ -214,58 +227,82 @@ void XQItemDelegate::drawSpinBoxStyle(QPainter* painter, const QStyleOptionViewI
 }
 
 
-QSize XQItemDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
+//! firz
+
+QSize XQItemDelegate::sizeHint(const QStyleOptionViewItem& option, const QModelIndex& index) const
 {
   return QStyledItemDelegate::sizeHint(option, index);
 }
 
 
+//! Erzeugt ein editor-widget, sofern ein gültiger content-Ptr vorhanden und ein editor-Type gesetzt ist.
 
 QWidget* XQItemDelegate::createEditor(QWidget* parent, const QStyleOptionViewItem& option, const QModelIndex& index) const
 {
-
-  return QStyledItemDelegate::createEditor( parent, option, index );
-
-  int editorType = XQItem::xqItemFromIndex(index).editorType();
-  QWidget* editor = itemEditorFactory()->createEditor(editorType, parent);
-  if( editor )
+  XQItem& item  = xqItemFromIndex(index);
+  XQItem::EditorType edType = item.editorType();
+  if( edType == XQItem::NoEditorType )
   {
-    return editor;
+    qDebug() << "---- NO Content or NO EditorType";
+    return nullptr;
   }
 
+  qDebug() << "---- ed type:" << XQItem::fetchEditorTypeToString( edType ) << ": " << edType;
+  //return QStyledItemDelegate::createEditor( parent, option, index );
+
+  return itemEditorFactory()->createEditor(edType, parent);
 }
 
+
+//! Füttert einen editor mit den model-daten
+
 void XQItemDelegate::setEditorData(QWidget* editor, const QModelIndex& index) const
 {
 
   XQItem& item = xqItemFromIndex( index );
-  switch( item.editorType() )
-  {
-    case XQItemType::ComboBoxType :
-    {
-      QComboBox* comboBox = qobject_cast<QComboBox*>(editor);
-      comboBox->setModel( item.fixedChoices());
-      comboBox->setCurrentText( item.data().toString() );
-      comboBox->showPopup();
-      return;
-    }
+  XQItem::EditorType edType = item.editorType();
+  if( edType == XQItem::NoEditorType )
+    return;
 
-    default:
-      break;
+  switch( edType )
+  {
+  case XQItemType::ComboBoxType :
+  {
+    QComboBox* comboBox = qobject_cast<QComboBox*>(editor);
+    comboBox->setModel( item.fixedChoices());
+    comboBox->setCurrentText( item.data().toString() );
+    comboBox->showPopup();
+    return;
+  }
+
+  default:
+
+    // wir benutzen hier die DisplayRole wenn der Inhalt schon formatiert ist.
+    int role = item.renderStyle() == XQItem::FormattedStyle ? Qt::DisplayRole : Qt::EditRole;
+    QVariant value = index.data(role);
+
+    QByteArray userProp = editor->metaObject()->userProperty().name();
+    if (!userProp.isEmpty())
+    {
+      if (!value.isValid())
+        value = QVariant(editor->property(userProp).metaType());
+      editor->setProperty(userProp, value);
+    }
 
   }
 
-  QStyledItemDelegate::setEditorData(editor, index);
 }
 
-void XQItemDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
+
+//! Schreibt die daten aus dem editor ins model zurück
+
+void XQItemDelegate::setModelData(QWidget* editor, QAbstractItemModel* model, const QModelIndex& index) const
 {
 
   XQItem& item = xqItemFromIndex( index );
 
   switch( item.editorType()  )
   {
-
     case XQItem::ComboBoxType :
     {
       QComboBox* comboBox = qobject_cast<QComboBox*>(editor);
@@ -280,6 +317,9 @@ void XQItemDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, co
   QStyledItemDelegate::setModelData(editor, model, index);
 }
 
+
+//! firz
+
 void XQItemDelegate::updateEditorGeometry(QWidget* editor, const QStyleOptionViewItem& option, const QModelIndex& index) const
 {
   //qDebug() << "  --- update Editor Geometry";

src/items/xqitemdelegate.h

@@ -37,19 +37,19 @@ public:
   XQTreeTable* treeTable() const;
   XQItem&     xqItemFromIndex( const QModelIndex& index ) const;
 
-  void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
-  QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const override;
-  QWidget* createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
-  void setEditorData(QWidget *editor, const QModelIndex &index) const override;
-  void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const override;
-  void updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
+  void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const override;
+  QSize sizeHint(const QStyleOptionViewItem& option, const QModelIndex& index) const override;
+  QWidget* createEditor(QWidget* parent, const QStyleOptionViewItem& option, const QModelIndex& index) const override;
+  void setEditorData(QWidget* editor, const QModelIndex& index) const override;
+  void setModelData(QWidget* editor, QAbstractItemModel *model, const QModelIndex& index) const override;
+  void updateEditorGeometry(QWidget* editor, const QStyleOptionViewItem& option, const QModelIndex& index) const override;
 
 protected:
 
-  void drawHeaderStyle(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const;
-  void drawProgressBarStyle(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const;
-  void drawComboBoxStyle(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const;
-  void drawSpinBoxStyle(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const;
+  void drawHeaderStyle(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const;
+  void drawProgressBarStyle(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const;
+  void drawComboBoxStyle(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const;
+  void drawSpinBoxStyle(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const;
 
   XQViewModel& _modelView;
 

src/items/xqitemfactory.cpp

@@ -99,6 +99,7 @@ XQItemType* XQItemFactory::makeItemType(const XQNodePtr& sheetEntry )
   return itemType;
 }
 
+
 //! sucht einen item typ aus der map mit 'vorgefertigen' itemtypen.
 
 XQItemType* XQItemFactory::findItemTypeTemplate(const QString& key ) const
@@ -256,10 +257,6 @@ QVariant XQItemFactory::makeVariant( int dataRole, const QString& source ) const
 /// ------------------------------------------------
 ///
 
-
-
-
-
 /*
 XQItemList XQItemFactory::makeEmptyRow( const XQNodePtr& contentNode, const XQNodePtr& sheetNode )
 {
@@ -304,7 +301,7 @@ XQItemList XQItemFactory::createGenericRow( const XQNodePtr& contentNode, const
 
 //! erzeugt eine item-row.
 
-XQItemList XQItemFactory::makeRow(CreationMode mode, const XQNodePtr& sheetNode, const XQNodePtr& contentNode, const QString& captionKey  )
+XQItemList XQItemFactory::makeRow(const XQNodePtr& sheetNode, const XQNodePtr& contentNode )
 {
 
   XQItemList list;
@@ -320,24 +317,23 @@ XQItemList XQItemFactory::makeRow(CreationMode mode, const XQNodePtr& sheetNode,
   //
 
   for( const auto& sheetEntry : sheetNode->children() )
-    list.append( makeItem( mode, sheetEntry, contentNode, captionKey ) );
+    list.append( makeItem( sheetEntry, contentNode ) );
 
   Q_ASSERT(!list.empty());
 
   // wir merken uns den original content node auch, aber
-  // im ersten Item.
+  // im ersten Item. Kann null sein, macht aber erstmal nix.
   dynamic_cast<XQItem*>(list[0])->setContentNode(contentNode);
 
   return list;
 }
 
 
-//! fixme! unsinn!
-//! erzeugt ein XQItem aus einer typ-beschreibung ('sheetNode') und einem daten-knoten ('contentNode').
-//! wenn der content node nicht gesetzt ist, wird stattdess das attribut 'Caption' aus der typ-beschreibung
-//! verwendet: es handelt sich dann um ein header item, das erzeugt wurde.
+//! Erzeugt ein XQItem aus einer typ-beschreibung ('sheetNode') und einem daten-knoten ('contentNode').
+//! Wenn der content node nicht gesetzt ist, wird stattdess das attribut 'Caption' aus der typ-beschreibung
+//! verwendet: es handelt sich dann um ein header item
 
-XQItem* XQItemFactory::makeItem(CreationMode mode, const XQNodePtr& sheetNode, const XQNodePtr& contentNode, const QString& captionKey )
+XQItem* XQItemFactory::makeItem(const XQNodePtr& sheetNode, const XQNodePtr& contentNode )
 {
   // den itemtype des neuen items rausfinden
   XQItemType* itemType = makeItemType(sheetNode); // throws
@@ -347,19 +343,10 @@ XQItem* XQItemFactory::makeItem(CreationMode mode, const XQNodePtr& sheetNode, c
   // das ist Unterschied vom HeaderItem zum normalen Item: Der Titel kommt aus der Modelbeschreibung,
   // sonst wird der content indirekt über den tag-name des sheetnode geholt
 
-  switch( mode )
-  {
-    case mHeader:
-      contentPtr = sheetNode->attribute_ptr(captionKey);
-      break;
-
-    case mData:
-      contentPtr = contentNode->attribute_ptr( sheetNode->tag_name() );
-      break;
-
-    case mSingle:
-      contentPtr = contentNode->attribute_ptr( captionKey );
-  }
+  if( !contentNode )
+    contentPtr = sheetNode->attribute_ptr(c_Caption);
+  else
+    contentPtr = contentNode->attribute_ptr( sheetNode->tag_name() );
 
   XQItem* newItem = new XQItem( itemType, contentPtr);
 
@@ -371,3 +358,18 @@ XQItem* XQItemFactory::makeItem(CreationMode mode, const XQNodePtr& sheetNode, c
 
   return newItem;
 }
+
+//! Erzeugt ein Item _ohne_ internen content node, sondern
+XQItem* XQItemFactory::makeSingleItem( const XQNodePtr& sheetNode, const QString& caption )
+{
+  // den itemtype des neuen items rausfinden
+  XQItemType* itemType = makeItemType(sheetNode); // throws
+  XQItem* newItem = new XQItem( itemType, caption);
+  // __fixme!
+  if( newItem->isCheckable() )
+  {
+    newItem->setCheckState( Qt::Checked );
+  }
+
+  return newItem;
+}

src/items/xqitemfactory.h

@@ -28,25 +28,14 @@ class XQItemFactory : public xsingleton<XQItemFactory>
 
 public:
 
-  enum CreationMode
-  {
-    mHeader,
-    mData,
-    mSingle
-  };
-
   void initItemFactory(const QString& modelSheetFileName );
 
   XQNodePtr  findModelSheet( const QString& modelName ) const;
 
-  //XQItemList makeEmptyRow( const XQNodePtr& contentNode, const XQNodePtr& sheetNode );
+  XQItemList  makeRow( const XQNodePtr& sheetNode, const XQNodePtr& contentNode );
+  XQItem*     makeSingleItem( const XQNodePtr& sheetNode, const QString& caption );
 
-  XQItemList makeRow( CreationMode mode, const XQNodePtr& sheetNode, const XQNodePtr& contentNode, const QString& captionKey=c_Caption );
-
-  // wozu ist das gut?
-  //XQItemList createGenericRow( const XQNodePtr& contentNode, const XQNodePtr& sheetNode );
-
-  void setItemDataFromString( XQItem& item, const QString& roleKey, const QString& source ) const;
+  void        setItemDataFromString( XQItem& item, const QString& roleKey, const QString& source ) const;
 
   XQItemType* makeItemType(const XQNodePtr& sheetEntry );
   XQItemType* findItemTypeTemplate(const QString& key ) const;
@@ -56,7 +45,7 @@ protected:
 
   bool isValid();
 
-  XQItem*       makeItem( CreationMode mode, const XQNodePtr& sheetNode, const XQNodePtr& contentNode, const QString& captionKey );
+  XQItem*    makeItem(const XQNodePtr& sheetNode, const XQNodePtr& contentNode );
 
   // shortcuts
   using ItemConfigFunc = std::function<void( XQItem* item, const QString& attrValue, XQNodePtr contentNode, XQNodePtr sheetNode )>;

src/items/xqitemtype.cpp

@@ -134,22 +134,9 @@ XQItemType* XQItemType::replaceAttribute( const QVariant& newValue, int role )
 }
 
 
-//! formatiert den content() string eines items.
-
-QVariant XQItemType::formatText( const XQItem& item ) const
-{
-  XQItem::UnitType uType = unitType();
-  //qDebug() << " --- formatText: " << XQItem::fetchUnitTypeToString( uType);
-  const QString& cont = item.rawText();
-  if( uType != XQItem::NoUnitType )
-   return formatToSI( cont, uType );
-  return cont;
-}
-
-
 //! formatiert einen zahlenwert als string mit einheit.
 
-QString XQItemType::formatToSI( const QString& valueTxt, XQItem::UnitType unitType ) const
+QString XQItemType::formatToSI( const QString& valueTxt, XQItem::UnitType unitType )
 {
 
   if( valueTxt.isEmpty() )
@@ -180,18 +167,18 @@ QString XQItemType::formatToSI( const QString& valueTxt, XQItem::UnitType unitTy
   strVal =  sysLocale.toString(nVal, 'f', 2);
   strPrefix =  s_PrefixExponentMap.key(exp);
   //qDebug() << " convert: " << dVal << " : " << valueTxt << ": " << strVal  << ":" << exp  << " : " << strPrefix << ": " << nVal;
-
-  return QString("%1 %2%3").arg( strVal, strPrefix, unitTypeToString() );
+  QString unitStr = XQItem::fetchUnitTypeToString( unitType);
+  return QString("%1 %2%3").arg( strVal, strPrefix, unitStr );
 
 }
 
 
 //! entfernt die einheit aus einem formatierten string
 
-QString XQItemType::unFormatFromSI(const QString& formText ) const
+QString XQItemType::unFormatFromSI(const QString& formText )
 {
 
-  QString input = formText.simplified();
+  const QString input = formText.simplified();
   // #1: strip numeric part
   if( input.isEmpty() )
     return input;

src/items/xqitemtype.h

@@ -40,17 +40,14 @@ public:
   QVariant data( int role ) const override;
   void     setData(const QVariant& value, int role ) override;
 
-  QVariant formatText( const XQItem& item ) const;
-
-  QString  formatToSI(const QString& rawText, XQItem::UnitType unitType ) const;
-  QString  unFormatFromSI(const QString& valueText ) const;
-
   int         roleForAttributeKey( const QString& attrKey );
   XQItemType* replaceAttribute(const QVariant& newValue, int role );
 
   QString  makeItemTypeKey();
 
   static XQItemType* staticItemType();
+  static QString     formatToSI(const QString& rawText, XQItem::UnitType unitType );
+  static QString     unFormatFromSI(const QString& valueText );
 
 protected:
 

src/main.cpp

@@ -15,6 +15,13 @@
 #include <QDebug>
 #include <QApplication>
 #include <QMetaType>
+#include <QGuiApplication>
+#include <QQmlApplicationEngine>
+#include <QUrl>
+#include <QQmlContext>
+
+#include <xqchildmodel.h>
+#include <xqquickwidget.h>
 
 #include <xqmainwindow.h>
 
@@ -49,25 +56,64 @@ who is who:
 
 */
 
+XQChildModel* createChildModel()
+{
+  XQChildModel* myModel = new XQChildModel();
+
+  myModel->initModel( c_ChildModelName );
+
+  XQNodeFactory treeLoader;
+  // xml daten laden
+  XQNodePtr rawTree = treeLoader.load_tree( qPrintable(c_DocumentFileName1) );
+  // versteckten root node ignorieren
+  XQNodePtr contentRoot = rawTree->first_child();
+  myModel->addModelData( contentRoot->first_child() );
+
+  return myModel;
+
+}
+
+
+using namespace Qt::Literals::StringLiterals;
+
 int main(int argc, char *argv[])
 {
 
   QApplication app(argc, argv);
-
-  /*
-   // Signal für einzelne QStandardItem-Änderungen
-connect(model, &QStandardItemModel::itemChanged,
-        this, [](QStandardItem *changedItem){
-    QVariant state = changedItem->data(Qt::CheckStateRole);
-    qDebug() << "Neuer Check-State:" << state.toInt();
-});
-  */
-
-
-  //app.setStyle("fusion");
+  //app.setStyle("WindowsVista");
   XQMainWindow window;
   window.show();
 
+
+  /*
+  QApplication app(argc, argv);
+
+  XQMainWindow::setupWorkingDir();
+  XQItemFactory::instance().initItemFactory( c_ModelSheetFileName );
+
+  XQChildModel* myModel = createChildModel();
+  qmlRegisterType< XQChildModel>("MyApp.Models", 1, 0, "MyChildModel");
+
+
+  QQmlApplicationEngine engine;
+
+    engine.rootContext()->setContextProperty("myChildModel", myModel);
+
+    QObject::connect(
+      &engine,
+      &QQmlApplicationEngine::objectCreationFailed,
+      &app,
+      []() { QCoreApplication::exit(-1); },
+      Qt::QueuedConnection);
+
+    qDebug() << " fitz!";
+
+    engine.load( QUrl(QStringLiteral("qrc:/dummyview.qml")) );
+    //engine.load( QUrl(QStringLiteral("qrc:/xqtableview.qml")) );
+
+    qDebug() << " hhakl!";
+
+*/
   return app.exec();
 
 }

src/model/xqcommand.cpp

@@ -31,7 +31,7 @@ void XQNodeStore::dumpList( const QString& title ) const
 //! kostruktor. übergibt command-type und die aufrufende modelView.
 
 XQCommand::XQCommand(CmdType cmdType, XQViewModel* modelView )
-  : _cmdType{ cmdType }, _model(modelView)
+  : _cmdType{ cmdType }, _viewModel(modelView)
 {
   
 }
@@ -66,7 +66,7 @@ void XQCommand::setCommandType( XQCommand::CmdType cmdType )
 
 void XQCommand::redo()
 {
-  _model->onCommandRedo( *this );
+  _viewModel->onCommandRedo( *this );
 }
 
 
@@ -74,7 +74,7 @@ void XQCommand::redo()
 
 void XQCommand::undo()
 {  
-  _model->onCommandUndo( *this );
+  _viewModel->onCommandUndo( *this );
 }
 
 
@@ -121,7 +121,7 @@ void XQCommand::saveNodes( const QModelIndexList& list )
 
 //! erzeugt einen string aus dem command-type, fürs debuggen.
 
-QString XQCommand::toString()
+QString XQCommand::toString() const
 {
 
   static QMap<CmdType,QString> s_CmdTypeMap

src/model/xqcommand.h

@@ -80,13 +80,13 @@ public:
   void redo() override;
   void undo() override;
   
-  QString toString();
+  QString toString() const;
 
 protected:
 
-  CmdType           _cmdType{cmdInvalid};
-  XQViewModel*          _model{}; // needed for redo() / undo()
-  QModelIndex       _originIndex;
+  CmdType       _cmdType{cmdInvalid};
+  XQViewModel*  _viewModel{}; // needed for redo() / undo()
+  QModelIndex   _originIndex;
 
   /*
 

src/model/xqsectionmanager.cpp

@@ -12,7 +12,7 @@
 ***************************************************************************/
 
 
-#include <xqmodelsectionlist.h>
+#include <xqsectionmanager.h>
 
 
 //! kontstruktor. übergibt den start-index und einen model-knoten mit der beschreibung
@@ -40,9 +40,9 @@ bool XQModelSection::isValid() const
   return _modelIndex.isValid() && _sectionRootNode;
 }
 
-const QModelIndex& XQModelSection::modelIndex() const
+QModelIndex XQModelSection::startIndex() const
 {
-  return _modelIndex;
+  return _modelIndex.operator QModelIndex();
 }
 
 XQNodePtr XQModelSection::sectionRootNode() const
@@ -72,7 +72,7 @@ XQNodePtr XQModelSection::contentRootNode() const
   return _contentRootNode;
 }
 
-void XQModelSection::setContentRootNode( const XQNodePtr contentRootNode )
+void XQModelSection::setContentRootNode( const XQNodePtr contentRootNode ) const
 {
   _contentRootNode = contentRootNode;
 }
@@ -80,7 +80,7 @@ void XQModelSection::setContentRootNode( const XQNodePtr contentRootNode )
 
 //! gibt die zeile des start-index zurück.
 
-int XQModelSection::XQModelSection::row() const
+int XQModelSection::XQModelSection::firstRow() const
 {
   return _modelIndex.row();
 }
@@ -104,89 +104,98 @@ XQItem& XQModelSection::XQModelSection::headerItem() const
 
 //! testet, ob die unter 'sectionKey' eine gültige section vorhanden ist.
 
-bool XQModelSectionList::hasValidSection(const QString& sectionKey) const
+bool XQSectionManager::hasValidSection(const QString& sectionKey) const
 {
-  if (!contains(sectionKey) )
+  if (!_sections.contains(sectionKey) )
     return false;
-  return at(sectionKey).isValid();
+  return _sections.at(sectionKey).isValid();
 }
 
-
-//! gibt für einen model index die 'zuständige' section zurück.
-
-const XQModelSection& XQModelSectionList::sectionFromIndex( const QModelIndex& index ) const
+const XQModelSection& XQSectionManager::sectionByKey( const QString& sectionKey ) const
 {
-  return sectionFromRow( index.row() );
+  if( hasValidSection( sectionKey ) )
+    return _sections.at(sectionKey);
+
+  static const XQModelSection s_DummySection;
+  return s_DummySection;
+
 }
 
 
 //! gibt für eine zeile die 'zuständige' section zurück: der bestand an section wird
 //! nach der passenden section durchsucht.
 
-const XQModelSection& XQModelSectionList::sectionFromRow(int itemRow ) const
+const XQModelSection& XQSectionManager::sectionByRow(int itemRow ) const
 {
-
-  int i = size() - 1;
+  int i = _sections.size() - 1;
   for (; i >= 0; --i)
   {
-    if ( at(i).modelIndex().row() < itemRow )
-      return at(i);
+    if ( _sections.at(i).startIndex().row() < itemRow )
+      return _sections.at(i);
   }
 
   static XQModelSection s_DummySection;
-
   return s_DummySection;
 
 }
 
-
-//! ermittelt die erste zeile einer section.
-
-int XQModelSectionList::firstRow(const QModelIndex& idx) const
+const XQModelSection& XQSectionManager::createSection(const QString& sectionKey, const QModelIndex& modelIndex, XQNodePtr sheetNode)
 {
-  return sectionFromRow(idx.row() ).row();
+  // 6. jetzt können wir auch die sction erzeugen
+  XQModelSection section(modelIndex, sheetNode );
+  _sections.addAtKey( sectionKey, section);
+  return sectionByKey(sectionKey);
 }
 
 
 //! ermittelt die zeile unterhalb des gegebenen modelindex,
 //! zum einfügen neuer items ebendort.
 
-int XQModelSectionList::lastRow(const QModelIndex& idx) const
+/*
+int XQSectionManager::lastRow(const QModelIndex& idx) const
 {
-  return lastRow(sectionFromRow(idx.row()));
+  return lastRow(sectionByRow(idx.row()));
 }
 
 
 //! ermittelt die zeile unterhalb der gegebenen section,
 //! zum einfügen neuer items ebendort.
+*/
 
-int XQModelSectionList::lastRow(const XQModelSection& section ) const
+int XQSectionManager::lastRow(const XQModelSection& section ) const
 {
-  //qDebug() << " -- last row in section: " << section.modelIndex.data().toString() << " --> " << section.modelIndex.row();
+  qDebug() << " -- last row in section: " << section.startIndex().data().toString() << " --> " << section.startIndex().row();
   // row() der section unterhalb dieser
   // __fix? index mit speichern?
-  int index = indexOf(section);
+  int index = _sections.indexOf(section);
   if (index > -1)
   {
     // last section? return last row of model
-    if (index == size() - 1)
-      return section.modelIndex().model()->rowCount();// - 1;
+    if (index == _sections.size() - 1)
+      return section.startIndex().model()->rowCount() - 1;
     // return row above the row of the next section -> last row of given section
-    return at(index+1).row();
+    return _sections.at(index+1).firstRow() - 1;
   }
   return -1;
 }
 
 
+XQSectionRange XQSectionManager::sectionRange(const XQModelSection& section ) const
+{
+  qDebug() << " ---- Section RANGE: " << section.startIndex().row() << "  -> " << lastRow(section);
+  return XQSectionRange{ section.startIndex().row(), lastRow(section) };
+}
+
+
 //! gibt alle sections aus, zum ankucken.
 
-void XQModelSectionList::dump() const
+void XQSectionManager::dump() const
 {
-  qDebug() << " --- sections dump(): " <<size() << " entries.";
-  for( int i = 0; i<size(); ++i )
+  qDebug() << " --- sections dump(): " <<_sections.size() << " entries.";
+  for( int i = 0; i<_sections.size(); ++i )
   {
-    QModelIndex idx = at(i).modelIndex();
-    qDebug() << " --- sections:" << i << "row: " << idx.row() << " keyOf(i): " << keyOf(i) << " indexData: "<< idx.data().toString() << " itemData: " << XQItem::xqItemFromIndex(idx).data(Qt::DisplayRole).toString();
+    QModelIndex idx = _sections.at(i).startIndex();
+    qDebug() << " --- sections:" << i << "row: " << idx.row() << " keyOf(i): " << _sections.keyOf(i) << " indexData: "<< idx.data().toString() << " itemData: " << XQItem::xqItemFromIndex(idx).data(Qt::DisplayRole).toString();
   }
 
 }

src/model/xqsectionmanager.h

@@ -12,17 +12,18 @@
 ***************************************************************************/
 
 
-#ifndef XQMODELSECTIONLIST_H
-#define XQMODELSECTIONLIST_H
+#ifndef XQSECTIONMANAGER_H
+#define XQSECTIONMANAGER_H
 
 #include <QPersistentModelIndex>
 
 #include <xqmaptor.h>
 #include <xqitem.h>
 
-/**
- * @brief Struct containing data for a header section
- */
+
+
+
+//!  Daten zur beschreibung einer 'sektion' des models.
 
 class XQModelSection
 {
@@ -35,13 +36,13 @@ public:
 
   bool operator==(const XQModelSection& other) const;
   bool isValid() const;
-  int row() const;
+  int  firstRow() const;
 
-  const QModelIndex& modelIndex() const;
+  QModelIndex        startIndex() const;
   XQNodePtr          sectionRootNode() const;
   XQNodePtr          sheetRootNode() const;
   XQNodePtr          contentRootNode() const;
-  void               setContentRootNode( const XQNodePtr dataRootNode );
+  void               setContentRootNode( const XQNodePtr dataRootNode ) const;
 
   const QString& contentType() const;
   XQItem& headerItem() const;
@@ -50,32 +51,42 @@ protected:
 
   QPersistentModelIndex _modelIndex;
 
-  XQNodePtr _sectionRootNode{};
-  XQNodePtr _contentRootNode{};
+  mutable XQNodePtr _sectionRootNode{};
+  mutable XQNodePtr _contentRootNode{};
 
 };
 
 Q_DECLARE_METATYPE(XQModelSection)
 
-/**
- * @brief Maptor containing all header sections.
- */
+//!  Erste und letzte ziele einer XQModelSection
+struct XQSectionRange
+{
+  int firstRow{-1};
+  int lastRow{-1};
+};
 
-class XQModelSectionList : public XQMaptor<XQModelSection>
+
+//! struktur, die alle sections enthält
+
+class XQSectionManager
 {
 public:
 
   bool  hasValidSection(const QString& sectionKey) const;
 
-  const XQModelSection& sectionFromRow( int row ) const;
-  const XQModelSection& sectionFromIndex( const QModelIndex& index ) const;
+  const XQModelSection& sectionByKey( const QString& sectionKey ) const;
+  const XQModelSection& sectionByRow( int row ) const;
 
-  int firstRow(const QModelIndex& idx) const;
-  int lastRow(const QModelIndex& idx) const;
-  int lastRow(const XQModelSection& section) const;
+  const XQModelSection& createSection(const QString& sectionKey, const QModelIndex& modelIndex, XQNodePtr sheetNode);
+  int                   lastRow(const XQModelSection& section ) const;
+  XQSectionRange        sectionRange(const XQModelSection &section) const;
 
-  void dump()const override;
+  void dump()const;
+
+protected:
+
+  XQMaptor<XQModelSection> _sections;
 
 };
 
-#endif // XQMODELSECTIONLIST_H
+#endif // XQSECTIONMANAGER_H

src/model/xqviewmodel.cpp

@@ -35,18 +35,28 @@
 void showItemList( const XQItemList& list)
 {
   for(const auto& entry : list )
-    qDebug() << " --- itemList: " << ((XQItem*)entry)->content();
+    qDebug() << " --- itemList: " << entry->text();
   qDebug();
 }
 
 
-//! Konstruktur mit parent.
+//! Konstruktor mit parent.
 
 XQViewModel::XQViewModel( QObject* parent )
   : QStandardItemModel{ parent }, _itemFactory{ XQItemFactory::instance() }
 {
   invisibleRootItem()->setData( "[rootItem]", Qt::DisplayRole );
   setItemPrototype( new XQItem );
+
+  // auf änderungen kann in den unterklassen reagiert werden
+  connect(this, &QStandardItemModel::itemChanged, this, [this](QStandardItem *item)
+  {
+    XQItem* xqItem = static_cast<XQItem*>(item);
+    emit xqItemChanged( *xqItem );
+  });
+
+
+  //qRegisterMetaType<XQItem>("XQItem");
 }
 
 
@@ -59,7 +69,14 @@ const XQItem& XQViewModel::xqRootItem()
   // dynamisch über den ItemData Mechanismus wie in QStandardItem
 
   return *static_cast<XQItem*>(invisibleRootItem());
+}
 
+
+//! Gibt den daten root node des models zurück.
+
+XQNodePtr XQViewModel::contentRootNode()
+{
+  return _contentRoot;
 }
 
 
@@ -83,6 +100,16 @@ XQItem& XQViewModel::xqFirstItem(int row) const
   return *static_cast<XQItem*>( QStandardItemModel::item(row) );
 }
 
+void XQViewModel::expandNewItem(const QModelIndex& index)
+{
+  if( _treeTable )
+  {
+    // ... ausklappen...
+    _treeTable->expand( index );
+    // ... und markieren
+    _treeTable->setCurrentIndex( index );
+  }
+}
 
 //! initialisiert dieses model über den namen. Es wird hier
 //! nur die strukur erzeugt, keine inhalte.
@@ -111,7 +138,7 @@ void XQViewModel::initModel(const QString& modelName)
     const XQNodePtr header = sectionNode->find_child_by_tag_name( c_Header );
     if( header )
     {
-      XQItemList list = _itemFactory.makeRow( XQItemFactory::mHeader, header, nullptr );
+      XQItemList list = _itemFactory.makeRow( header, nullptr );
       addSection(list,  sectionNode );
     }
   }
@@ -138,9 +165,9 @@ void XQViewModel::addSection(const XQItemList& list, const XQNodePtr& sectionNod
   // 5. das erzeugt dann auch valide indices
   appendRow(list);
 
+  const QString &sectionKey = sectionNode->attribute(c_ContentType);
   // 6. jetzt können wir auch die sction erzeugen
-  XQModelSection section(list[0]->index(), sectionNode );
- _sections.addAtKey(sectionNode->attribute( c_ContentType), section);
+  const XQModelSection& section = _sections.createSection( sectionKey, list[0]->index(), sectionNode );
 
   // ... und es der welt mitteilen.
   emit sectionCreated( section );
@@ -148,6 +175,43 @@ void XQViewModel::addSection(const XQItemList& list, const XQNodePtr& sectionNod
 }
 
 
+//! SLOT, toggled die section mit dem 'sectionKey' (hier: contentType)
+
+void XQViewModel::onToggleSection(const QString& sectionKey )
+{
+  toggleSection( _sections.sectionByKey(sectionKey) );
+}
+
+
+//! toggled die gegebene model section.
+
+void XQViewModel::toggleSection( const XQModelSection& section )
+{
+  qDebug() << " --- toggleSection: " << section.contentType();
+  if( section.isValid() && _treeTable )
+  {
+    XQSectionRange pos = _sections.sectionRange(section);
+    //int fstRow = _sections.firstRow(index);
+    //int lstRow = _sections.lastRow(index);
+    //_treeTable->toggleRowsHidden(fstRow, lstRow);
+
+    // hier nicht!?
+    //emit sectionToggled(section);
+
+  }
+}
+
+
+/*
+//! SLOT als weiterleitung vom SIGNAL itemchanged
+
+void XQViewModel::onItemChanged(XQItem* item )
+{
+   qDebug() << " --- BASE item changed: " << item->text();
+
+}
+*/
+
 //! SLOT, der aufgerufen wird, wenn eine edit-action getriggert wurde.
 
 void XQViewModel::onActionTriggered(QAction* action)
@@ -195,35 +259,10 @@ void XQViewModel::onActionTriggered(QAction* action)
 
 }
 
-/*
-    switch (command.commandType())
-    {
-      case XQCommand::cmdToggleSection:
-        return cmdToggleSection( command.originIndex() );
-
-      case XQCommand::cmdCut:
-        return cmdCut( command );
-
-      case XQCommand::cmdPaste:
-        return cmdPaste( command );
-
-      case XQCommand::cmdNew:
-        return cmdNew( command );
-
-      case XQCommand::cmdDelete:
-        return cmdDelete( command );
-
-      case XQCommand::cmdMove:
-        break;
-
-      default:
-        qDebug() << " --- onCommandRedo: default: not handled: " << command.toString();
-    }
-    */
 
 //! führt die 'redo' action des gegebenen commnds aus.
 
-void XQViewModel::onCommandRedo( XQCommand& command )
+void XQViewModel::onCommandRedo( const XQCommand& command )
 {
   static MemCallMap redoCalls
   {
@@ -249,45 +288,10 @@ void XQViewModel::onCommandRedo( XQCommand& command )
   }
 }
 
-/*
-  try
-  {
-    switch (command.commandType())
-    {
-    case XQCommand::cmdToggleSection:
-      return cmdToggleSection( command.originIndex() );
-      break;
 
-    // undo Cut -> perform undoCut
-    case XQCommand::cmdCut:
-      return cmdCutUndo( command );
-
-    // undo Paste -> perform Cut
-    case XQCommand::cmdPaste:
-      return cmdPasteUndo( command );
-
-    // undo Move -> perform move back
-    case XQCommand::cmdMove:
-      // not yet implemented
-      break;
-
-    // undo New -> perform Delete
-    case XQCommand::cmdNew:
-      cmdNewUndo( command );
-      break;
-
-    // undo Delete -> perform New
-    case XQCommand::cmdDelete:
-      qDebug() << " --- onCommandUndo: delete: " << command.toString();
-      return cmdDeleteUndo( command );
-
-    default:
-      qDebug() << " --- onCommandUndo: default: not handled: " << command.toString();
-    }
-    */
 //! führt die 'undo' action des gegebenen commnds aus.
 
-void XQViewModel::onCommandUndo( XQCommand& command )
+void XQViewModel::onCommandUndo( const XQCommand& command )
 {
   qDebug() << " --- onCommandUndo: count: " << XQNode::s_Count;
 
@@ -319,7 +323,7 @@ void XQViewModel::onCommandUndo( XQCommand& command )
 
 //! markierte knoten entfernen, 'command' enthält die liste
 
-void XQViewModel::cmdCut( XQCommand& command )
+void XQViewModel::cmdCut( const XQCommand& command )
 {
   // wir gehen rückwärts über alle gemerkten knoten ...
   for (auto it = command.rbegin(); it != command.rend(); ++it)
@@ -340,19 +344,19 @@ void XQViewModel::cmdCut( XQCommand& command )
 
 //! entfernte knoten wieder einfügen , 'command' enthält die liste
 
-void XQViewModel::cmdCutUndo( XQCommand& command )
+void XQViewModel::cmdCutUndo( const XQCommand& command )
 {
   // die anfangsposition
   int itmPos  = command.first().itemPos;
   // die 'zuständige' section rausfinden
-  const XQModelSection& section = _sections.sectionFromRow( itmPos );
+  const XQModelSection& section = _sections.sectionByRow( itmPos );
   // über alle einträge ...
   for (auto& entry : command )
   {
     const XQNodePtr& savedNode = entry.contentNode;
     // __fix! should not be _contentRoot!
     savedNode->add_me_at( entry.nodePos, _contentRoot );
-    XQItemList list = _itemFactory.makeRow( XQItemFactory::mData, section.sheetRootNode(), savedNode );
+    XQItemList list = _itemFactory.makeRow( section.sheetRootNode(), savedNode );
 
     XQItem& firstItem = *((XQItem*)list[0]);
     qDebug() << " --- Cut Undo: "  << firstItem.text() << " " << firstItem.row() << " id#" << entry.contentNode->_id << " count: " << entry.contentNode.use_count();
@@ -364,7 +368,7 @@ void XQViewModel::cmdCutUndo( XQCommand& command )
 
 //! clipboard inhalte einfügen
 
-void XQViewModel::cmdPaste( XQCommand& command )
+void XQViewModel::cmdPaste( const XQCommand& command )
 {  
   // selection holen ...
   QItemSelectionModel* selectionModel = treeTable()->selectionModel();
@@ -379,7 +383,7 @@ void XQViewModel::cmdPaste( XQCommand& command )
   int nodePos = item.contentNode()->own_pos()+1;
 
   // die zugehörige section finden
-  const XQModelSection& section = _sections.sectionFromRow( insRow-1 );
+  const XQModelSection& section = _sections.sectionByRow( insRow-1 );
   // wir pasten das clipboard
   for (auto& entry : _clipBoard )
   {
@@ -388,7 +392,7 @@ void XQViewModel::cmdPaste( XQCommand& command )
     // ... diesen einfügen ...
     newNode->add_me_at( nodePos );
     // ... und damit eine frische item-row erzeugen
-    XQItemList list = _itemFactory.makeRow( XQItemFactory::mData, section.sheetRootNode(), newNode );
+    XQItemList list = _itemFactory.makeRow( section.sheetRootNode(), newNode );
     insertRow( insRow, list );
     // die neue item-row selektieren
     const QModelIndex& selIdx = list[0]->index();
@@ -399,14 +403,16 @@ void XQViewModel::cmdPaste( XQCommand& command )
   }
 
   // unsere änderungen merken fürs 'undo'
-  command.saveNodes( selectionModel->selectedRows() );
+
+  /// fix_xx
+  const_cast<XQCommand&>(command).saveNodes( selectionModel->selectedRows() );
 
 }
 
 
 //! einfügen aus dem clipboard wieder rückgängig machen
 
-void XQViewModel::cmdPasteUndo( XQCommand& command )
+void XQViewModel::cmdPasteUndo( const XQCommand& command )
 {
   command.dumpList("Paste UNDO");
   // wir gehen rückwärts über alle markieren knoten ...
@@ -427,7 +433,7 @@ void XQViewModel::cmdPasteUndo( XQCommand& command )
 
 //! entfernen der selection ohne copy in clipboard.
 
-void XQViewModel::cmdDelete( XQCommand& command )
+void XQViewModel::cmdDelete( const XQCommand& command )
 {
   // wir gehen rückwärts über alle markieren knoten ...
   for (auto it = command.rbegin(); it != command.rend(); ++it)
@@ -442,9 +448,9 @@ void XQViewModel::cmdDelete( XQCommand& command )
   }
 }
 
-//! macht 'delete' wirder rückgängig.
+//! macht 'delete' wieder rückgängig.
 
-void XQViewModel::cmdDeleteUndo( XQCommand& command )
+void XQViewModel::cmdDeleteUndo( const XQCommand& command )
 {
 
 }
@@ -452,66 +458,55 @@ void XQViewModel::cmdDeleteUndo( XQCommand& command )
 
 //! legt eine neue, leere zeile an.
 
-void XQViewModel::cmdNew( XQCommand& command )
+void XQViewModel::cmdNew( const XQCommand& command )
 {
-
-  // __fix
-  /*
   const QModelIndex& origin = command.originIndex();
-  if( !origin.isValid() )
-    throw XQException("cmdNewRow failed: index not valid ");
 
-  XQItem* target = xqItemFromIndex( origin );
+  XQItem& target = xqItemFromIndex( origin );
   // current data node
-  XQNodePtr node = target->contentNode();
-
-  // we create a new data node
-  //XQNodePtr newNode = new XQNodePtr( node->tag_name(), node->parent() );
-  XQNodePtr newNode = XQNode::make_node( node->tag_name(), node->tag_value(), node->parent() );
+  XQNodePtr node = target.contentNode();
+ // we create a new data node
+  XQNodePtr newNode = XQNode::make_node( node->tag_name(), node->tag_value() );
   // store node in node->parent()
-  //node->add_before_me( newNode );
-  // store node also in 'command' to enable undo
-  const XQModelSection& section = _sections.sectionFromIndex( origin );
+  newNode->add_me_at( node->own_pos(), node->parent() );
 
-  // create new item row
-  XQItemList list = _itemFactory.createGenericRow( newNode, section.sheetRootNode );
 
-  // add it to the treeview ...
+  //...
+  const XQModelSection& section = _sections.sectionByRow( origin.row() );
+
+  // neue, leere zeile erzeugen ...
+  XQItemList list =_itemFactory.makeRow( section.sheetRootNode(), newNode );
+  // ... zur treeview hinzufügen ...
   insertRow( origin.row(), list );
+  // ... editierbar machen ...
+  QModelIndex newIndex = list[0]->index();
+  treeTable()->setCurrentIndex( newIndex );
+  treeTable()->edit( newIndex );
+  // ,,, und fürs undo speichern
+  const_cast<XQCommand&>(command).saveNodes( {newIndex} );
 
-  // ... and make it ...
-  treeTable()->setCurrentIndex( list[0]->index() );
-  // ... editable
-  treeTable()->edit( list[0]->index() );
-  */
 }
 
+
 //! entfernt die neu angelegte zeile.
 
-void XQViewModel::cmdNewUndo( XQCommand& command )
+void XQViewModel::cmdNewUndo( const XQCommand& command )
 {
+  cmdDelete( command );
 }
 
 
 //! schaltet eine section sichtbar oder unsichtbar.
 
-void XQViewModel::cmdToggleSection( XQCommand& command )
+void XQViewModel::cmdToggleSection( const XQCommand& command )
 {
   const QModelIndex& index = command.originIndex();
   Q_ASSERT(index.isValid());
-
-  int fstRow = _sections.firstRow( index );
-  int lstRow = _sections.lastRow( index );
-
-  bool hidden =_treeTable->isRowHidden( fstRow, _treeTable->rootIndex() );
-  for (int row = fstRow; row < lstRow; ++row )
-    _treeTable->setRowHidden( row, _treeTable->rootIndex(), !hidden );
-
-  emit sectionToggled( _sections.sectionFromIndex(index) );
+  toggleSection( _sections.sectionByRow(index.row()) );
 }
 
 
-//! git die treetable zurück
+//! gibt die treetable zurück
 
 XQTreeTable* XQViewModel::treeTable()
 {
@@ -524,7 +519,7 @@ void XQViewModel::setTreeTable(XQTreeTable* mainView )
 {
   // store view for direct access: the maintree
   _treeTable = mainView;
-  // connect myself as model to the mainview
+  // set myself as model to the mainview
   _treeTable->setModel(this);
   XQItemDelegate* delegate = new XQItemDelegate( *this );
   _treeTable->setItemDelegate( delegate );

src/model/xqviewmodel.h

@@ -19,9 +19,10 @@
 #include <QMenu>
 #include <QStandardItemModel>
 #include <QAbstractItemView>
+#include <QtQmlIntegration>
 
 #include <xqsimpleclipboard.h>
-#include <xqmodelsectionlist.h>
+#include <xqsectionmanager.h>
 #include <xqitemfactory.h>
 #include <xqcontextmenu.h>
 
@@ -36,12 +37,15 @@ class XQCommand;
 class XQViewModel : public QStandardItemModel
 {
   Q_OBJECT
+  QML_ELEMENT
 
 public:
 
   XQViewModel(QObject* parent = nullptr);
   virtual ~XQViewModel() = default;
 
+   QHash<int, QByteArray> roleNames() const override;
+
   XQTreeTable* treeTable();
   virtual void setTreeTable( XQTreeTable* mainView );
 
@@ -50,78 +54,65 @@ public:
 
   virtual void initModel( const QString& modelName);
 
+  void expandNewItem(const QModelIndex& index);
+  void toggleSection( const XQModelSection& section );
+
   //little helpers
   const XQItem& xqRootItem();
+  XQNodePtr contentRootNode();
 
   XQItem&       xqItemFromIndex(const QModelIndex& index) const;
   XQItem&       xqFirstItem(int row) const;
 
   // undo-/redo-able stuff
 
-  virtual void cmdToggleSection( XQCommand& command );
-  virtual void cmdCut( XQCommand& command );
-  virtual void cmdCutUndo( XQCommand& command );
-  virtual void cmdPaste( XQCommand& command );
-  virtual void cmdPasteUndo( XQCommand& command );
-  virtual void cmdDelete( XQCommand& command );
-  virtual void cmdDeleteUndo( XQCommand& command );
-  virtual void cmdNew( XQCommand& command );
-  virtual void cmdNewUndo( XQCommand& command );
+  virtual void cmdToggleSection( const XQCommand& command );
+  virtual void cmdCut( const XQCommand& command );
+  virtual void cmdCutUndo( const XQCommand& command );
+  virtual void cmdPaste( const XQCommand& command );
+  virtual void cmdPasteUndo( const XQCommand& command );
+  virtual void cmdDelete( const XQCommand& command );
+  virtual void cmdDeleteUndo( const XQCommand& command );
+  virtual void cmdNew( const XQCommand& command );
+  virtual void cmdNewUndo( const XQCommand& command );
 
-  QHash<int, QByteArray> roleNames() const override;
+  // Derzeit wird die default-implementierung von data/setData genutzt. hier wäre dann die
+  // Stelle um setData & data an externe 'handler' umzubiegen, siehe giovannies 'model-injection'
 
-  /*!
+signals:
 
-  Derzeit wird die default-implementierung von data/setData genutzt. hier wäre dann die
-  Stelle um setData & data an externe 'handler' umzubiegen, siehe giovannies 'model-injection'
-
-  QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override
-  {
-    return QStandardItemModel::data( index, role );
-  }
-
-  bool setData(const QModelIndex& index, const QVariant& value, int role = Qt::EditRole) override
-  {
-    qDebug() << " --- setData: " << value.toString();
-    return QStandardItemModel::setData( index, value, role );
-  }
-
-  */
+  void xqItemChanged( const XQItem& item );
+  void itemCreated( XQItem* newItem );
+  void sectionCreated( const XQModelSection& section );
+  void sectionToggled( const XQModelSection& section );
 
 public slots:
 
   virtual void onShowContextMenu(const QPoint& point);
   virtual void onActionTriggered(QAction* action);
-
+  virtual void onToggleSection(const QString& sectionKey );
   // handle XQCommands ( == UndoCommand )
-  virtual void onCommandRedo( XQCommand& command );
-  virtual void onCommandUndo( XQCommand& command );
-
-signals:
-
-  void itemCreated( XQItem* newItem );
-  void sectionCreated( const XQModelSection& section );
-  void sectionToggled( const XQModelSection& section );
+  virtual void onCommandRedo( const XQCommand& command );
+  virtual void onCommandUndo( const XQCommand& command );
 
 protected:
 
   void addSection(const XQItemList& list, const XQNodePtr& sheetNode );
   virtual void initContextMenu() = 0;
-
   // __fixme: should be created from xml
   virtual void setupViewProperties();
 
 protected:
 
-  using MemCall    = void (XQViewModel::*)(XQCommand&);
+  using MemCall    = void (XQViewModel::*)(const XQCommand&);
   using MemCallMap = QMap<XQCommand::CmdType,MemCall>;
 
   // das eine reference auf ein globales singleton
-  XQItemFactory&        _itemFactory;
-  XQSimpleClipBoard     _clipBoard;
-  XQModelSectionList    _sections;
+  XQItemFactory&    _itemFactory;
+  XQSimpleClipBoard _clipBoard;
+  XQSectionManager  _sections;
 
-  XQTreeTable*       _treeTable{};
+  XQTreeTable*      _treeTable{};
   //QAbstractItemView* _treeTable{};
   QUndoStack*       _undoStack{};
   XQContextMenu*    _contextMenu{};

src/nodes/znode.h

@@ -78,6 +78,7 @@ namespace znode
       zweak_node   _parent;
       znode_list   _children;
 
+      // functor, der auf pointer gleichheit prüft.
       struct match_node
       {
         match_node( zbasic_node* match )
@@ -95,9 +96,11 @@ namespace znode
     public:
 
       //! shortcut auf std::make_shared...
-      static zshared_node make_node( str_cref arg1, str_cref arg2 = "" , zshared_cref parent = nullptr )
+      //! beachte: der eltern-knoten wird hier nicht gesetzt, der neue knoten
+      //! wird nirgends eingefügt.
+      static zshared_node make_node( str_cref arg1, str_cref arg2 = "" )
       {
-        return std::make_shared<zbasic_node>( arg1, arg2, parent );
+        return std::make_shared<zbasic_node>( arg1, arg2 );
       }
 
       //! leerer konstruktor
@@ -136,7 +139,7 @@ namespace znode
       zbasic_node(const zbasic_node&)            = delete;
       zbasic_node& operator=(const zbasic_node&) = delete;
 
-      // 'move' geht (shared_from_this bleibt gültig)
+      //! 'move' geht (shared_from_this bleibt gültig)
       zbasic_node(zbasic_node&&) noexcept            = default;
       zbasic_node& operator=(zbasic_node&&) noexcept = default;
 
@@ -178,31 +181,31 @@ namespace znode
         return _parent.lock();
       }
 
+      //! gibt den nachfolge-knoten oder 'end()' zurück.
       zshared_node sibling()
       {
-        if( !parent() )
-          //return zshared_node( make_node("WTF1") );
-          return zshared_node();
-
-        znode_list& childs = _parent->_children;
-        auto it = std::find( childs.begin(), childs.end(), this->shared_from_this() );
-        if( ++it != childs.end())
+        if( parent() )
+        {
+          znode_list& childs = _parent->_children;
+          auto it = std::find( childs.begin(), childs.end(), this->shared_from_this() );
           return *(it);
-
-        //return zshared_node( make_node("WTF?") );
-        return zshared_node();
+        }
+        throw std::runtime_error("sibling(): no parent node");
       }
 
+      //! gibt den vector mit kind-knoten zurück
       inline const znode_list& children() const
       {
         return _children;
       }
 
+      //! testet, ob kinder vorhanden sind.
       bool has_children() const
       {
         return !children().empty();
       }
 
+      //! gibt das erste kind zurück
       zshared_node first_child()
       {
         if(!children().empty())
@@ -210,6 +213,7 @@ namespace znode
         return nullptr;
       }
 
+      //! gibt das letzte kind oder nullptr zurück
       zshared_node last_child()
       {
         if(!children().empty())
@@ -237,7 +241,6 @@ namespace znode
       int add_child_at( int idx, const zshared_node& node )
       {
         // _fixme! was ist, wenn da schon ein elternknoten ist?
-
         _children.insert(children().begin() + idx, node );
         node->_parent = this->shared_from_this();
         return int(children().size() - 1);
@@ -250,10 +253,9 @@ namespace znode
           parent()->add_child_at( offset, this->shared_from_this() );
         else
           throw std::runtime_error("add_me_at(offset): no parent node");
-
       }
 
-      //! fügt einen shard_ptr von 'mir' in die kinderliste des übergebenen knotens ein
+      //! fügt einen shared_ptr von 'mir' in die kinderliste des übergebenen knotens ein
       //! und macht diesen zu meinem elternknoten.
       void add_me_at( int offset, const zshared_node& parent_node )
       {
@@ -266,18 +268,17 @@ namespace znode
         {
           throw std::runtime_error("add_me_at(offset,parent): no parent node");
         }
-
-
       }
+
+      //! findet die eigene position im eltern-knoten
       int own_pos()
       {
         if( parent())
             return parent()->child_pos( this->shared_from_this() );
         return -1;
-
       }
 
-      //int child_pos(zbasic_node* child)
+      //! findet die postion eines kind-knotens
       int child_pos(const zshared_node& child)
       {
         //auto pos = std::find_if(children().begin(), children().end(), match_node(child) );
@@ -287,7 +288,7 @@ namespace znode
         return -1;
       }
 
-      //zshared_node unlink_child( zbasic_node* node )
+      //! findet die postion eines kind-knotens
       zshared_node unlink_child( const zshared_node& node )
       {
         auto it = std::find(_children.begin(), _children.end(), node);
@@ -315,11 +316,10 @@ namespace znode
       {
         for( auto child : _children )
         {
-          qDebug() << " --#- " << child->name() << " : " << child->has_attribute( attrkey, attrvalue );
           if( child->has_attribute( attrkey, attrvalue ))
             return child;
         }
-        return zshared_node();
+        return nullptr;
       }
 
       //
@@ -330,7 +330,7 @@ namespace znode
           if( child->tag_name() == tagname )
             return child;
         }
-        return zshared_node();
+        return nullptr;
       }
 
       zshared_node find_child_by_id( int id )
@@ -340,46 +340,7 @@ namespace znode
           if (child->_id == id)
             return child;
         }
-        return zshared_node();
-      }
-
-
-
-      void dump(int indent = 0) const
-      {
-
-        // fix_me!
-        qDebug() << std::string(indent * 2, ' ').c_str() << this->to_string();
-        //qDebug() << to_string();
-        //qDebug() << '\n';// std::endl;
-
-        if (!children().empty())
-        {
-          for (auto child : _children)
-          {
-            //qDebug() << " --- type: " << typeid(child).name();
-            child.get()->dump( indent + 1 );
-          }
-        }
-
-      }
-
-      template<typename T>
-      bool for_each_x( T func, int depth = 0 )
-      //bool for_each( auto func ) const
-      {
-        if( !apply( func, depth ) )
-          return false;
-
-        if( !children().empty() )
-        {
-          for( auto child : _children )
-          {
-            if( !child->for_each( func, depth+1 ) )
-              return false;
-          }
-        }
-        return true;
+        return nullptr;
       }
 
       // find ...
@@ -392,22 +353,6 @@ namespace znode
 
     };
 
-
-    class zbasic_node_walker
-    {
-    public:
-
-      virtual void begin()
-      {}
-
-      template<typename str_t>
-      void for_each_node( zbasic_node<str_t>* node );
-
-      virtual void end()
-      {}
-
-    };
-
 } //namespace znode
 
 

src/nodes/znode_factory.h

@@ -100,7 +100,7 @@ namespace znode
       //parent->add_child( new_node );
 
       //zbasic_node<str_t>* new_node = new zbasic_node<str_t>( node.name(), node.child_value(), parent );
-      zshared_node new_node = zbasic_node<str_t>::make_node( xml_node.name(), xml_node.child_value(), parent );
+      zshared_node new_node = zbasic_node<str_t>::make_node( xml_node.name(), xml_node.child_value() );
       parent->add_child( new_node );
 
       if( !xml_node.attributes().empty() )

src/util/xqmaptor.h

@@ -73,6 +73,16 @@ public:
     return _data.end();
   }
 
+  auto begin() const
+  {
+    return _data.begin();
+  }
+
+  auto end() const
+  {
+    return _data.end();
+  }
+
   inline int size() const
   {
     return (int) _data.size();
@@ -94,13 +104,11 @@ public:
     return mapIndex().contains(key);
   }
 
- 
   inline const XQMapIndex& mapIndex() const
   {
     return _index;
   }
 
-
   int indexOf( const QString& key ) const
   {   
     return mapIndex().indexOf(key);
@@ -121,7 +129,6 @@ public:
     return mapIndex().key( index );
   }
 
-
   T& operator[]( int index )
   {
     if( contains(index) )
@@ -129,7 +136,6 @@ public:
     throw XQException("XQMaptor operator[ int index ]: out of range");
   }
 
-
   const T& operator[]( int index ) const
   {
     if ( contains(index) )
@@ -154,7 +160,6 @@ public:
     return _data[ _index[key] ];
   }
 
-
   const T& operator[]( const QString& key ) const
   {
     if (key.isEmpty() || !contains(key))
@@ -162,7 +167,6 @@ public:
     return _data[_index[key]];
   }
 
-
   T& at( const QString& key )
   {
     return (*this)[key];
@@ -179,7 +183,6 @@ public:
     return _data.size()-1;
   }
 
-
   virtual void addAtIndex( int index, const T& item  )
   {
     if(contains(index))
@@ -187,14 +190,12 @@ public:
     _data[index] = item;
   }
 
-
   // convenience method to mimic QMap<T,QString>
   virtual void insert( const T& item, const QString& key )
   {
     addAtKey(key, item );
   }
 
-
   virtual void addAtKey( const QString& key, const T& item )
   {
     XQMapIndex::iterator pos = _index.find( key );
@@ -209,7 +210,6 @@ public:
     }
   }
 
-
   bool addAlias( const QString& key, const QString& alias )
   {
     // look for 'original' key
@@ -227,20 +227,17 @@ public:
     return true;
   }
 
-
   void addKey( const QString& key, int index )
   {
     _index.addKey( key, index );
   }
 
-
   virtual void clear()
   {
     _data.clear();
     _index.clear();
   }
 
-
   virtual bool killEntry( const QString& key )
   {
     int idx = indexOf( key );
@@ -249,7 +246,6 @@ public:
     return killEntry( (int) idx );
   }
 
-
   virtual bool killEntry( int index )
   {
     if( index >= this->_data.size() )
@@ -261,19 +257,16 @@ public:
     return true;
   }
 
-
   virtual QString toString() const
   {
     return join( ";" );
   }
 
-
   virtual void dump() const
   {
     throw XQException("XQMaptor: dump not implemented!" );
   }
 
-
   virtual QString join( const QString& sep, int from=0, int to=-1) const
   {
     Q_UNUSED(sep)
@@ -283,7 +276,6 @@ public:
     return "--";
   }
 
-
   int replaceKey( const QString& oldkey, const QString& newkey )
   {
     int idx = indexOf( oldkey );

src/widgets/xqcontextmenu.cpp

@@ -31,7 +31,7 @@ void XQContextMenu::addAction(const QString& text, XQCommand::CmdType commandTyp
   QAction* newAction = new QAction(text, this);
   newAction->setData(commandType);
   _actionMap[commandType] = newAction;
-  QWidget::addAction(newAction);
+  QMenu::addAction(newAction);
   setActionEnabled( commandType, enabled );
 }
 
@@ -53,7 +53,7 @@ void XQContextMenu::addAction(const QIcon& icon, const QString& text, XQCommand:
   QAction* newAction = new QAction(icon, text, this);
   newAction->setData(commandType);
   _actionMap[commandType] = newAction;
-  QWidget::addAction(newAction);
+  QMenu::addAction(newAction);
   setActionEnabled( commandType, enabled );
 }
 

src/widgets/xqquickwidget.cpp

@@ -14,7 +14,7 @@
 
 #include <xqquickwidget.h>
 
-XQQuickWidget::XQQuickWidget(QWidget *parent)
+XQQuickWidget::XQQuickWidget(QWidget* parent)
   : QQuickWidget(parent)
 {
 

src/widgets/xqquickwidget.h

@@ -23,7 +23,7 @@ class XQQuickWidget : public QQuickWidget
 
 public:
 
-  XQQuickWidget(QWidget *parent = nullptr);
+  XQQuickWidget(QWidget* parent = nullptr);
 };
 
 #endif // XQQUICKWIDGET_H

src/widgets/xqtreetable.cpp

@@ -51,6 +51,12 @@ XQItem& XQTreeTable::xqItemFromIndex(const QModelIndex& index )
   return modelView()->xqItemFromIndex( index );
 }
 
+void XQTreeTable::toggleRowsHidden( int fstRow, int lstRow )
+{
+  bool hidden = isRowHidden( fstRow, rootIndex() );
+  for (int row = fstRow; row < lstRow; ++row )
+   setRowHidden( row, rootIndex(), !hidden );
+}
 
 //! override von 'currentChanged' (noch nicht implementiert)
 

src/widgets/xqtreetable.h

@@ -41,6 +41,8 @@ public:
   XQViewModel* modelView();
   XQItem&  xqItemFromIndex(const QModelIndex& index );
 
+  void toggleRowsHidden(int fstRow, int lstRow );
+
 protected:
 
   void currentChanged(const QModelIndex& current, const QModelIndex& previous) override;

src/xtree.pro

@@ -1,7 +1,10 @@
 QT       += core gui widgets quick quickwidgets
 # widgets-private
 
-CONFIG += c++20
+CONFIG += c++20 qmltypes
+
+QML_IMPORT_NAME = org.sourceworx.qmlcomponents
+QML_IMPORT_MAJOR_VERSION = 1
 
 # You can make your code fail to compile if it uses deprecated APIs.
 # In order to do so, uncomment the following line.
@@ -20,9 +23,9 @@ HEADERS += \
     items/xqitemtype.h \
     items/xqitemdelegate.h \
     model/xqcommand.h \
-    model/xqmodelsectionlist.h \
     model/xqnode.h \
     model/xqnodewriter.h \
+    model/xqsectionmanager.h \
     model/xqselectionmodel.h \
     model/xqsimpleclipboard.h \
     model/xqviewmodel.h \
@@ -58,9 +61,9 @@ SOURCES += \
     items/xqitemdelegate.cpp \
     main.cpp \
     model/xqcommand.cpp \
-    model/xqmodelsectionlist.cpp \
     model/xqnode.cpp \
     model/xqnodewriter.cpp \
+    model/xqsectionmanager.cpp \
     model/xqselectionmodel.cpp \
     model/xqsimpleclipboard.cpp \
     model/xqviewmodel.cpp \

src/xtree.qrc

@@ -1,10 +1,14 @@
 <RCC>
-    <qresource prefix="/">
-        <file alias="modeldata1.xtr">../xml/modeldata1.xtr</file>
-        <file alias="modeldata2.xtr">../xml/modeldata2.xtr</file>
-        <file alias="modeldata3.xtr">../xml/modeldata3.xtr</file>
-        <file alias="modelsheet.xml">../xml/modelsheets.xml</file>
-		<file alias="quickview.qml">../quick/quickview.qml</file>
-		
-    </qresource>
-</RCC>
+	<qresource prefix="/">
+		<file alias="modeldata1.xtr">../xml/modeldata1.xtr</file>
+		<file alias="modeldata2.xtr">../xml/modeldata2.xtr</file>
+		<file alias="modeldata3.xtr">../xml/modeldata3.xtr</file>
+		<file alias="modelsheet.xml">../xml/modelsheets.xml</file>
+		<file alias="xqtableview.qml">../qml/xqtableview.qml</file>
+		<file alias="HorizontalHeaderViewDelegate.qml">../qml/HorizontalHeaderViewDelegate.qml</file>
+		<file alias="XMain.qml">../qml/XMain.qml</file>
+		<file alias="VerticalHeaderViewDelegate.qml">../qml/VerticalHeaderViewDelegate.qml</file>
+		<file alias="dummyview.qml">../qml/dummyview.qml</file>
+		<file alias="xqtreeview.qml">../qml/xqtreeview.qml</file>
+	</qresource>
+</RCC>

xml/modelsheets.xml

@@ -7,18 +7,18 @@
 -->
 
 <ItemTypes>
-	<TreeParentType   RenderStyle="PlainStyle" 		 ItemFlags="IsEnabled|IsDropEnabled" Icon="DirIcon" />	
-	<TreeSectionType  RenderStyle="PlainStyle"       ItemFlags="IsEnabled" Icon="DesktopIcon"/>
-	<TreeChildType    RenderStyle="PlainStyle"       ItemFlags="IsUserCheckable|IsEnabled" Icon="MediaPlay"/>
-	<HeaderType 	  RenderStyle="HeaderStyle" 	 ItemFlags="IsEnabled"/>
+	<TreeParentType   RenderStyle="PlainStyle" 		 EditorType="LineEditType" ItemFlags="IsEnabled|IsDropEnabled" Icon="DirIcon" />	
+	<TreeChildType    RenderStyle="PlainStyle"       EditorType="LineEditType" ItemFlags="IsEnabled" Icon="MediaPlay"/>
+	<TreeSectionType  RenderStyle="PlainStyle"       EditorType="LineEditType" ItemFlags="IsUserCheckable|IsEnabled" Icon="DesktopIcon"/>	
+	<HeaderType 	  RenderStyle="HeaderStyle" 	 EditorType="LineEditType" ItemFlags="IsEnabled"/>
 	<HiddenType 	  RenderStyle="HiddenStyle"/>
 	<StaticType 	  RenderStyle="PlainStyle"/>
-	<PlainType 		  RenderStyle="PlainStyle"    	 ItemFlags="IsEnabled|IsEditable|IsSelectable"/>
-	<ValueType 		  RenderStyle="FormattedStyle"   ItemFlags="IsEnabled|IsEditable|IsSelectable" UnitType="Coulomb"/>
-	<CheckableType 	  RenderStyle="FormattedStyle"   ItemFlags="IsEnabled|IsEditable|IsSelectable" UnitType="###"/>	
-	<PercentageType   RenderStyle="ProgressBarStyle" ItemFlags="IsEnabled|IsSelectable"/>
-	<ChoiceType       RenderStyle="ComboBoxStyle"    ItemFlags="IsEnabled|IsSelectable|IsEditable" FixedChoices="la|le|lo|lu"/>	
-	<IntValueType     RenderStyle="SpinBoxStyle"	 ItemFlags="IsEnabled|IsSelectable"/>	
+	<PlainType 		  RenderStyle="PlainStyle"    	 EditorType="LineEditType" ItemFlags="IsEnabled|IsEditable|IsSelectable"/>
+	<ValueType 		  RenderStyle="FormattedStyle"   EditorType="LineEditType" ItemFlags="IsEnabled|IsEditable|IsSelectable" UnitType="Coulomb"/>
+	<CheckableType 	  RenderStyle="FormattedStyle"   EditorType="LineEditType" ItemFlags="IsEnabled|IsEditable|IsSelectable" UnitType="###"/>	
+	<PercentageType   RenderStyle="ProgressBarStyle" EditorType="LineEditType" ItemFlags="IsEnabled|IsSelectable"/>
+	<ChoiceType       RenderStyle="ComboBoxStyle"    EditorType="ComboBoxType" ItemFlags="IsEnabled|IsSelectable|IsEditable" FixedChoices="la|le|lo|lu"/>	
+	<IntValueType     RenderStyle="SpinBoxStyle"	 EditorType="SpinBoxType"  ItemFlags="IsEnabled|IsSelectable"/>	
 </ItemTypes>
 
 
@@ -75,7 +75,7 @@
 			<!-- 'Icon' überschreibt den default wert im ItemType und erzeugt damit einen neuen ItemType-->
 			<PanelID ItemType="PlainType" Icon="DesktopIcon"/>
 			<PanelName ItemType="PlainType" Icon="BrowserStop"/>
-			<Manufacturer ItemType="ValueType"/>
+			<Manufacturer ItemType="PlainType"/>
 			<!-- 'UnitType' überschreibt den default wert im ItemType und erzeugt damit einen neuen ItemType-->
 			<WattPeak ItemType="ValueType" UnitType="Wp"/>
 			<Width  ItemType="CheckableType" Icon="VistaShield" UnitType="m"/>	
@@ -98,20 +98,20 @@
 			<Weight Caption="Weight" ItemType="HeaderType" />
 		</Header>
 		<ModelSheet>
-			<InverterID Caption="Inverter" ItemType="ValueType" />
-			<InverterName Caption="Name" ItemType="ValueType" />
-			<Manufacturer Caption="Manufacturer" ItemType="ValueType" />
+			<InverterID Caption="Inverter" ItemType="PlainType" />
+			<InverterName Caption="Name" ItemType="PlainType" />
+			<Manufacturer Caption="Manufacturer" ItemType="PlainType" />
 			<MaxPowerInput Caption="max. Input" ItemType="ValueType" ItemType="ChoiceType" ChoiceModelSheetSource="MaxPowerInputChoice" UnitType="W"/>
 			<MaxPowerOutput Caption="max Output" ItemType="ValueType"  UnitType="W"/>
-			<NumStrings Caption="Strings" ItemType="ValueType" />		
+			<NumStrings Caption="Strings" ItemType="PlainType" />		
 			<Weight Caption="Weight" ItemType="ValueType"  UnitType="kg"/>
 		</ModelSheet>
 	</Section>
 	
 	<Section ContentType="Battery" >
 		<Header>			
-			<BatteryID Caption="Name" ItemType="HeaderType" />
-			<BatteryName Caption="Battery" ItemType="HeaderType" />
+			<BatteryID Caption="Battery" ItemType="HeaderType" />
+			<BatteryName Caption="Name" ItemType="HeaderType" />
 			<Manufacturer Caption="Manufacturer" ItemType="HeaderType" />
 			<Capacity Caption="Capacity" ItemType="HeaderType"/>
 			<Yield Caption="Yield" ItemType="HeaderType" />
@@ -119,9 +119,9 @@
 			<MaxVolt Caption="max. Volt" ItemType="HeaderType" />		
 		</Header>
 		<ModelSheet>
-			<BatteryID Caption="Battery" ItemType="ValueType" />
-			<BatteryName Caption="Name" ItemType="ValueType" />
-			<Manufacturer Caption="Manufacturer" ItemType="ValueType" />
+			<BatteryID Caption="Battery" ItemType="PlainType" />
+			<BatteryName Caption="Name" ItemType="PlainType" />
+			<Manufacturer Caption="Manufacturer" ItemType="PlainType" />
 			<Capacity Caption="Capacity" ItemType="ValueType"  UnitType="Wh"/>
 			<Yield Caption="Yield" ItemType="ValueType" ItemType="PercentageType" UnitType="%"/>
 			<MaxCurrent Caption="max. Current" ItemType="ValueType"  UnitType="A"/>

xml/saved_testfile.xtr

@@ -1,27 +1,24 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<Project Established="2006" FriendlyName="@ProjectName" ProjectID="HA01" ProjectName="Wiebelbach West" State="runnning" WattPeak="84000">
-    <Components>
-        <Panel FriendlyName="@PanelName" Height="2,70" Manufacturer="JA Solar 1 XX" MaxAmpere="11" MaxVolt="67" PanelID="#1 JA 01" PanelName="JA 01 Solar T62B" WattPeak="620" Weight="12" Width="1,10"/>
-        <Panel FriendlyName="@PanelName" Height="1,70" Manufacturer="JA Solar 2" MaxAmpere="11" MaxVolt="42" PanelID="#2 JA 02" PanelName="JA 02 Solar X58C" WattPeak="440" Weight="12" Width="1,10"/>
-        <Panel FriendlyName="@PanelName" Height="2,70" Manufacturer="JA Solar 3" MaxAmpere="11" MaxVolt="67" PanelID="#3 JA 03" PanelName="JA 03 Solar T62B" WattPeak="620" Weight="12" Width="1,10"/>
-        <Panel FriendlyName="@PanelName" Height="1,70" Manufacturer="JA Solar 4" MaxAmpere="11" MaxVolt="42" PanelID="#4 JA 04" PanelName="JA 04 Solar X58C" WattPeak="440" Weight="12" Width="1,10"/>
-        <Panel FriendlyName="@PanelName" Height="1,70" Manufacturer="JA Solar 5" MaxAmpere="11" MaxVolt="42" PanelID="#5 JA 05" PanelName="JA 05 Solar X58C" WattPeak="440" Weight="12" Width="1,10"/>
-        <Panel FriendlyName="@PanelName" Height="1,70" Manufacturer="JA Solar 6" MaxAmpere="11" MaxVolt="42" PanelID="#6 JA 06" PanelName="JA 06 Solar X58C" WattPeak="440" Weight="12" Width="1,10"/>
-        <Inverter FriendlyName="@InverterName" InverterID="#1 HM600 01" InverterName="01 HM600 S2 TMax" Manufacturer="HoyMiles" MaxPowerInput="2000" MaxPowerInputChoice="2000;4000;6000" MaxPowerOutput="600" NumStrings="2" Weight="28"/>
-        <Inverter FriendlyName="@InverterName" InverterID="#2 HM800 02" InverterName="02 HM800 S2 TMax" Manufacturer="HoyMiles" MaxPowerInput="4000" MaxPowerInputChoice="2000;4000;6000" MaxPowerOutput="800" NumStrings="2" Weight="29"/>
-        <Inverter FriendlyName="@InverterName" InverterID="#3 HM1600 03" InverterName="03 HM1600 S4 TMax" Manufacturer="HoyMiles" MaxPowerInput="6000" MaxPowerInputChoice="2000;4000;6000" MaxPowerOutput="1600" NumStrings="4" Weight="32"/>
-        <Inverter FriendlyName="@InverterName" InverterID="#4 D12K 04" InverterName="04 HM600 S2 TMax" Manufacturer="Deye" MaxPowerInput="12000,33" MaxPowerInputChoice="6000;8000;12000" MaxPowerOutput="600" NumStrings="2" Weight="28"/>
-        <Battery BatteryID="#1 BYD 01" BatteryName="01 BYD T01 Stackable" Capacity="4500" FriendlyName="@BatteryName" Manufacturer="BYD" MaxCurrent="120" MaxVolt="48" Yield="90">
-            <AdditionalData DataItem="Image" DataValue="image.png"/>
-            <AdditionalData DataItem="Manual" DataValue="manual.docx"/>
-            <AdditionalData DataItem="Certificate" DataValue="certificate.pdf"/>
-        </Battery>
-        <Battery BatteryID="#2 BYD 02" BatteryName="02 BYD T02 Stackable" Capacity="9000" FriendlyName="@BatteryName" Manufacturer="BYD" MaxCurrent="120" MaxVolt="48" Yield="94"/>
-        <Battery BatteryID="#3 BYD 03" BatteryName="03 BYD T01 Stackable" Capacity="4500" FriendlyName="@BatteryName" Manufacturer="BYD" MaxCurrent="120" MaxVolt="48" Yield="86"/>
-        <Battery BatteryID="#4 BYD 04" BatteryName="04 BYD T02 Stackable" Capacity="9000" FriendlyName="@BatteryName" Manufacturer="BYD" MaxCurrent="120" MaxVolt="48" Yield="98"/>
-        <Battery BatteryID="#5 GroWatt 05 G2K" BatteryName="05 BYD T01 Stackable" Capacity="4500" FriendlyName="@BatteryName" Manufacturer="GroWatt" MaxCurrent="120" MaxVolt="48" Yield="94"/>
-        <Battery BatteryID="#6 GroWatt 06 G4K" BatteryName="06 BYD T02 Stackable" Capacity="9000" FriendlyName="@BatteryName" Manufacturer="GroWatt" MaxCurrent="120" MaxVolt="48" Yield="49"/>
-        <Battery BatteryID="#7 Pyne 07 G4K" BatteryName="07 Pyne K7 Stackable" Capacity="9000" FriendlyName="@BatteryName" Manufacturer="PyNe" MaxCurrent="120" MaxVolt="48" Yield="49"/>
-    </Components>
-    <IrgendWasAnderes/>
-</Project>
+<Components>
+    <Panel FriendlyName="@PanelName" Height="2,70" Manufacturer="JA Solar 1 XX" MaxAmpere="11" MaxVolt="67" PanelID="#1 JA 01" PanelName="JA 01 Solar T62B" WattPeak="620" Weight="12" Width="1,10"/>
+    <Panel FriendlyName="@PanelName" Height="1,70" Manufacturer="JA Solar 2" MaxAmpere="11" MaxVolt="42" PanelID="#2 JA 02" PanelName="maa" WattPeak="440" Weight="12" Width="1,10"/>
+    <Panel FriendlyName="@PanelName" Height="2,70" Manufacturer="JA Solar 3" MaxAmpere="11" MaxVolt="67" PanelID="#3 JA 03" PanelName="JA 03 Solar T62B" WattPeak="620" Weight="12" Width="1,10"/>
+    <Panel FriendlyName="@PanelName" Height="1,70" Manufacturer="JA Solar 4" MaxAmpere="11" MaxVolt="42" PanelID="#4 JA 04" PanelName="moo" WattPeak="440" Weight="12" Width="1,10"/>
+    <Panel FriendlyName="@PanelName" Height="1,70" Manufacturer="JA Solar 5" MaxAmpere="11" MaxVolt="42" PanelID="#5 JA 05" PanelName="JA 05 Solar X58C" WattPeak="440" Weight="12" Width="1,10"/>
+    <Panel FriendlyName="@PanelName" Height="1,70" Manufacturer="JA Solar 6" MaxAmpere="11" MaxVolt="42" PanelID="#6 JA 06" PanelName="JA 06 Solar X58C" WattPeak="440" Weight="12" Width="1,10"/>
+    <Inverter FriendlyName="@InverterName" InverterID="#1 HM600 01" InverterName="01 HM600 S2 TMax" Manufacturer="HoyMiles" MaxPowerInput="2000" MaxPowerInputChoice="2000;4000;6000" MaxPowerOutput="600" NumStrings="2" Weight="28"/>
+    <Inverter FriendlyName="@InverterName" InverterID="#2 HM800 02" InverterName="02 HM800 S2 TMax" Manufacturer="HoyMiles" MaxPowerInput="4000" MaxPowerInputChoice="2000;4000;6000" MaxPowerOutput="800" NumStrings="2" Weight="29"/>
+    <Inverter FriendlyName="@InverterName" InverterID="#3 HM1600 03" InverterName="03 HM1600 S4 TMax" Manufacturer="HoyMiles" MaxPowerInput="6000" MaxPowerInputChoice="2000;4000;6000" MaxPowerOutput="1600" NumStrings="4" Weight="32"/>
+    <Inverter FriendlyName="@InverterName" InverterID="#4 D12K 04" InverterName="04 HM600 S2 TMax" Manufacturer="Deye" MaxPowerInput="12000,33" MaxPowerInputChoice="6000;8000;12000" MaxPowerOutput="600" NumStrings="2" Weight="28"/>
+    <Battery BatteryID="#1 BYD 01" BatteryName="01 BYD T01 Stackable" Capacity="4500" FriendlyName="@BatteryName" Manufacturer="BYD" MaxCurrent="120" MaxVolt="48" Yield="90">
+        <AdditionalData DataItem="Image" DataValue="image.png"/>
+        <AdditionalData DataItem="Manual" DataValue="manual.docx"/>
+        <AdditionalData DataItem="Certificate" DataValue="certificate.pdf"/>
+    </Battery>
+    <Battery BatteryID="#2 BYD 02" BatteryName="02 BYD T02 Stackable" Capacity="9000" FriendlyName="@BatteryName" Manufacturer="BYD" MaxCurrent="120" MaxVolt="48" Yield="94"/>
+    <Battery BatteryID="#3 BYD 03" BatteryName="03 BYD T01 Stackable" Capacity="4500" FriendlyName="@BatteryName" Manufacturer="BYD" MaxCurrent="120" MaxVolt="48" Yield="86"/>
+    <Battery BatteryID="#4 BYD 04" BatteryName="04 BYD T02 Stackable" Capacity="9000" FriendlyName="@BatteryName" Manufacturer="BYD" MaxCurrent="120" MaxVolt="48" Yield="98"/>
+    <Battery BatteryID="#5 GroWatt 05 G2K" BatteryName="05 BYD T01 Stackable" Capacity="4500" FriendlyName="@BatteryName" Manufacturer="GroWatt" MaxCurrent="120" MaxVolt="48" Yield="94"/>
+    <Battery BatteryID="#6 GroWatt 06 G4K" BatteryName="06 BYD T02 Stackable" Capacity="9000" FriendlyName="@BatteryName" Manufacturer="GroWatt" MaxCurrent="120" MaxVolt="48" Yield="49"/>
+    <Battery BatteryID="#7 Pyne 07 G4K" BatteryName="07 Pyne K7 Stackable" Capacity="9000" FriendlyName="@BatteryName" Manufacturer="PyNe" MaxCurrent="120" MaxVolt="48" Yield="49"/>
+</Components>