added some comments.
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@@ -27,12 +27,11 @@ void XQNodeStore::dumpList( const QString& title ) const
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XQCommand::XQCommand(CmdType cmdType, XQModel* modelView )
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: _cmdType{ cmdType }, _modelView(modelView)
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: _cmdType{ cmdType }, _model(modelView)
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{
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}
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XQCommand::~XQCommand()
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{
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qDebug() << " --- command destructor: " << toString();
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@@ -49,22 +48,34 @@ void XQCommand::setCommandType( XQCommand::CmdType cmdType )
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_cmdType = cmdType;
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}
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//! ruft 'onCommandRedo' 'meines' models auf.
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void XQCommand::redo()
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{
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_modelView->onCommandRedo( *this );
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_model->onCommandRedo( *this );
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}
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//! ruft 'onCommandUndo' 'meines' models auf.
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void XQCommand::undo()
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{
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_modelView->onCommandUndo( *this );
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_model->onCommandUndo( *this );
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}
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//! gibt den urpsrungs-index dieses commands zurück.
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const QModelIndex& XQCommand::originIndex() const
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{
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return _originIndex;
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}
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//! merkt sich den ersten QModelIndex der von diesem command
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//! betroffenen items. zusätzlich wird der command-text erzeugt.
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void XQCommand::setOriginIndex( const QModelIndex& origin )
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{
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QString cmdText("%1: %2 (%3)");
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@@ -78,17 +89,24 @@ void XQCommand::setOriginIndex( const QModelIndex& origin )
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}
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//! erzeugt aus den 'selected indices' eine liste mit der jewiligen knotenposition,
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//! der item-zeile und dem content-knoten.
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void XQCommand::saveNodes( const QModelIndexList& list )
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{
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clear();
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// über jede zeil
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for( auto entry : list )
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{
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XQNodePtr contentNode = XQItem::xqItemFromIndex( entry ).contentNode();
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// im command speichern wir den original knoten, nicht eine kopie, wie im clipboard.
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// knoten holen
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const XQNodePtr& contentNode = XQItem::xqItemFromIndex( entry ).contentNode();
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// hier speichern wir den original knoten, nicht einen clone, wie im clipboard.
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push_back( {entry.row(), contentNode->own_pos(), contentNode } );
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}
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}
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//! erzeugt einen string aus dem command-type, fürs debuggen.
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QString XQCommand::toString()
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{
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@@ -85,7 +85,7 @@ public:
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protected:
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CmdType _cmdType{cmdInvalid};
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XQModel* _modelView{}; // needed for redo() / undo()
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XQModel* _model{}; // needed for redo() / undo()
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QModelIndex _originIndex;
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/*
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@@ -255,52 +255,47 @@ void XQModel::onCommandUndo( XQCommand& command )
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// undo-/redo-able stuff
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/**
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* @brief XQModel::cmdCutRows Cut the rows whose positions have been store in the command.
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* @param command
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*/
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//! markierte knoten entfernen, 'command' enthält die liste
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void XQModel::cmdCut( XQCommand& command )
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{
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// wir gehen rückwärts über alle gemerkten knoten ...
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for (auto it = command.rbegin(); it != command.rend(); ++it)
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{
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// ... holen das erste item, das auch den content node enthält
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const XQNodeBackup& entry = *it;
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XQItem& firstItem = xqFirstItem( (*it).itemPos );
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qDebug() << " --- Cut: " << firstItem.text() << " " << firstItem.row() << " id#" << entry.contentNode->_id;
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//const XQNodeBackup& entry = *it;
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//XQItem& firstItem = xqFirstItem( (*it).itemPos );
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//qDebug() << " --- Cut: " << firstItem.text() << " " << firstItem.row() << " id#" << entry.contentNode->_id;
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// jetzt löschen, dabei wird die parent-verbindung entfernt
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const XQNodeBackup& entry = *it;
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entry.contentNode->unlink_self();
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removeRow(entry.itemPos );
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}
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}
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// clone to clipboard, remove items
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//! entfernte knoten aus wieder einfügen , 'command' enthält die liste
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void XQModel::cmdCutUndo( XQCommand& command )
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{
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command.dumpList("UNDO Cut");
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_sections.dump();
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int xx = command.first().itemPos;
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const XQModelSection& section = _sections.sectionFromRow( xx );
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// die anfangsposition
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int itmPos = command.first().itemPos;
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// die 'zuständige' section rausfinden
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const XQModelSection& section = _sections.sectionFromRow( itmPos );
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// über alle einträge ...
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for (auto& entry : command )
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{
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XQNodePtr savedNode = entry.contentNode;
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// __fix! should not bee _contentRoot!
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savedNode->add_me_at( entry.nodePos, _contentRoot );
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const XQNodePtr& savedNode = entry.contentNode;
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// __fix! should not be _contentRoot!
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savedNode->add_me_at( entry.nodePos, _contentRoot );
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XQItemList list = _itemFactory.makeContentRow( savedNode, section.sheetRootNode );
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XQItem& firstItem = *((XQItem*)list[0]);
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qDebug() << " --- Cut Undo: " << firstItem.text() << " " << firstItem.row() << " id#" << entry.contentNode->_id;
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qDebug() << " --- Cut Undo: " << firstItem.text() << " " << firstItem.row() << " id#" << entry.contentNode->_id << " count: " << entry.contentNode.use_count();
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insertRow( entry.itemPos, list );
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}
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}
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//! clipboard inhalte einfügen
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void XQModel::cmdPaste( XQCommand& command )
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{
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// selection holen ...
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@@ -320,11 +315,19 @@ void XQModel::cmdPaste( XQCommand& command )
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// wir pasten das clipboard
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for (auto& entry : _clipBoard )
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{
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//
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// siehe! und es war schrott!
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//
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// das ist ein clon
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XQNodePtr savedNode = entry.contentNode;
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// der wir hier rein gelinkt
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XQItemList list = _itemFactory.makeContentRow( savedNode, section.sheetRootNode );
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// wir klonen den knoten aus dem clipbord
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savedNode->clone(section.contentRootNode )->add_me_at( nodePos );
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insertRow( insRow, list );
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const QModelIndex& selIdx = list[0]->index();
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_treeView->selectionModel()->select(selIdx, QItemSelectionModel::Select | QItemSelectionModel::Rows);
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// zur nächsten zeile
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@@ -85,7 +85,7 @@ public:
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virtual void cmdNew( XQCommand& command );
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virtual void cmdNewUndo( XQCommand& command );
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// wtf!?
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/*
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bool setData(const QModelIndex& index, const QVariant& value, int role = Qt::EditRole) override
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{
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qDebug() << " --- setData: " << value.toString();
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@@ -96,6 +96,7 @@ public:
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{
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return QStandardItemModel::data( index, role );
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}
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*/
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public slots:
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@@ -34,7 +34,13 @@
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namespace znode
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{
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/// ----------------- snip 8< -----------------------------------------------------------------------------------------------------------------------------
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/*
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- die payload attributes wird 'drangeerbt'. sollte die nicht besser ge-templatet sein?
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- die finder sollten besser ausgelagert sein
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*/
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// forward declaration of base class zbasic_node ...
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//template<class str_t>
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@@ -45,7 +51,7 @@ namespace znode
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//using zshared_node = std::shared_ptr<zbasic_node<str_t>>;
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// main class
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//! einfache tree-klasse, besonderheit: der nutzlast-string-type ist templated.
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template<class str_t>
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class zbasic_node : public zid, public zpayload<str_t>, public std::enable_shared_from_this<zbasic_node<str_t>>
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{
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@@ -88,29 +94,30 @@ namespace znode
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public:
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//! shortcut auf std::make_shared...
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static zshared_node make_node( str_cref arg1, str_cref arg2 = "" , zshared_cref parent = nullptr )
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{
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return std::make_shared<zbasic_node>( arg1, arg2, parent );
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}
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//! leerer konstruktor
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zbasic_node() = default;
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// ...
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//! konstruktor mit tag_name und optionalem elternknoten
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zbasic_node( str_cref tag_name, zshared_cref parent = nullptr )
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: zpayload<str_t>{tag_name}, _parent{parent}
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{
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}
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// ...
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//! konstruktor mit tag_name, value und optionalem elternknoten
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zbasic_node( str_cref tag_name, str_cref value, zshared_cref parent = nullptr )
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: zpayload<str_t>{tag_name,value}, _parent{parent}
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{
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}
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//! konstruktor mit tag_name, attributlist und optionalem elternknoten
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zbasic_node( str_cref tag_name, const str_list& attributes, zshared_cref parent = nullptr )
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: zbasic_node{tag_name, parent}
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{
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@@ -122,16 +129,18 @@ namespace znode
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}
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}
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//! default destruktor
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virtual ~zbasic_node() = default;
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// Kopieren ist hier nicht sinnvoll (Child-Pointer müssen konsistent bleiben)
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//! kopieren ist hier nicht sinnvoll
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zbasic_node(const zbasic_node&) = delete;
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zbasic_node& operator=(const zbasic_node&) = delete;
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// Bewegen geht (shared_from_this bleibt gültig)
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// 'move' geht (shared_from_this bleibt gültig)
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zbasic_node(zbasic_node&&) noexcept = default;
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zbasic_node& operator=(zbasic_node&&) noexcept = default;
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//! erzeugt eine deep-copy von 'mir' _mit_ allen kindknoten
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virtual zshared_node clone(const zshared_node& parent = nullptr ) const
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{
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// copy als shared ptr erzeugen
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@@ -148,12 +157,13 @@ namespace znode
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}
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// STL-ish traverse iterators
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//! stl-ish traverse iterators
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auto begin()
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{
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return ziterator(this);
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}
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//! stl-ish traverse iterators
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auto end()
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{
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return ziterator(nullptr);
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@@ -162,7 +172,7 @@ namespace znode
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// ... set_int
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// ... as_int
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//zweak_node parent()
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//! erzeugt einen shared_ptr
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zshared_node parent() const
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{
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return _parent.lock();
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@@ -221,21 +231,29 @@ namespace znode
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return int(children().size() - 1);
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}
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//! fügt einen knoten in meine kinderliste ein und macht mich
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//! zu dessen elternknoten.
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int add_child_at( int idx, const zshared_node& node )
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{
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// _fixme! was ist, wenn da schon ein elternknoten ist?
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_children.insert(children().begin() + idx, node );
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node->_parent = this->shared_from_this();
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return int(children().size() - 1);
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}
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//! fügt einen shard_ptr von 'mir' in die kinderliste meines elternknotens ein.
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void add_me_at( int offset )
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{
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if( parent() )
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parent()->add_child_at( offset, this->shared_from_this() );
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else
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qDebug() << " -- fick2"; // shold throw?
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throw std::runtime_error("add_me_at(offset): no parent node");
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}
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//! fügt einen shard_ptr von 'mir' in die kinderliste des übergebenen knotens ein
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//! und macht diesen zu meinem elternknoten.
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void add_me_at( int offset, const zshared_node& parent_node )
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{
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if( parent_node )
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@@ -244,7 +262,10 @@ namespace znode
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parent_node->add_child_at( offset, this->shared_from_this() );
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}
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else
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qDebug() << " -- fick4"; // shold throw?
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{
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throw std::runtime_error("add_me_at(offset,parent): no parent node");
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}
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}
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int own_pos()
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@@ -278,14 +299,17 @@ namespace znode
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return removed;
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}
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//! entfernt 'mich' aus der kinderliste des elternknotens.
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void unlink_self()
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{
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if(parent())
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parent()->unlink_child( this->shared_from_this() );
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else
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qDebug() << " -- fuck: ";
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throw std::runtime_error("unlink_self(): no parent node");
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}
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//! findet den ersten kind-knoten mit dem attribut 'attrkey' welches den
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//! wert 'attrvalue' hat.
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zshared_node find_child_by_attribute(str_cref attrkey, str_cref attrvalue )
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{
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for( auto child : _children )
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@@ -297,7 +321,7 @@ namespace znode
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return zshared_node();
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}
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//
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zshared_node find_child_by_tag_name(str_cref tagname )
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{
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for( auto child : _children )
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