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items/xqitemfactory.cpp
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347
items/xqitemfactory.cpp
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/***************************************************************************
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source::worx xtree
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Copyright © 2024-2025 c.holzheuer
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christoph.holzheuer@gmail.com
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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***************************************************************************/
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#include <xqitemfactory.h>
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#include <xqexception.h>
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#include <xqdocumentstore.h>
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#include <xqmodel.h>
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#include <xqitemtype.h>
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#include <znode_factory.h>
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void XQItemFactory::initItemFactory( const QString& modelSheetFileName )
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{
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auto configureItemType = [&, this](XQItemType* itemType, const XQNodePtr& sheetNode )
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{
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// über alle attribute
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for( const auto& [key,value] : sheetNode->attributes() )
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{
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setItemDataFromString( *itemType, key, value );
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}
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};
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// schritt #1: modelbeschreibung laden
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XQNodeFactory treeLoader;
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_modelSheet = treeLoader.load_tree( qPrintable(modelSheetFileName) );
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// schritt #2: model root testen
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if (!_modelSheet)
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throw XQException("modelSheet load failed. ", modelSheetFileName);
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// schritt #3: itemtype beschreibungen laden ...
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_typesSheet = _modelSheet->find_child_by_tag_name( "ItemTypes" );
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// ... und testen
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if( !_typesSheet )
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throw XQException( "initItemFactory typeSheetRoot is null" );
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// alle itemtype vorlagen erzeugen
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for( const XQNodePtr& typeSheetNode : _typesSheet->children())
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{
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XQItemType* itemType = new XQItemType;
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//const QString& typeName = typeSheetNode->tag_name();
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const QString& typeName = typeSheetNode->tag_name();
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configureItemType(itemType, typeSheetNode);
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itemType->setText( typeName);
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s_ItemTypeCache[typeName] = itemType;
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}
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}
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bool XQItemFactory::isValid()
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{
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return _modelSheet && _typesSheet;
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}
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XQItemType* XQItemFactory::findItemType(const QString& key ) const
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{
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if( !key.isEmpty() && s_ItemTypeCache.contains(key))
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return s_ItemTypeCache[key];
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throw XQException( "itemfactory: findItemType: not found:", key );
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}
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XQNodePtr XQItemFactory::findModelSheet( const QString& modelName ) const
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{
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XQNodePtr modelSheet = _modelSheet->find_child_by_tag_name( modelName );
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if( !modelSheet )
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throw XQException( "model sheet not found: ", modelName );
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return modelSheet;
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}
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XQItem* XQItemFactory::makeContentItem( const XQNodePtr& contentNode, const XQNodePtr& sheetEntry ) const
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{
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// den itemtype des neuen items rausfinden
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QString typeKey = sheetEntry->attribute("ItemType");
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XQItemType* itemType = findItemType(typeKey); // throws
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const QString* contentPtr = contentNode->attribute_ptr( sheetEntry->tag_name() );
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XQItem* newItem = new XQItem( itemType, contentPtr );
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return newItem;
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}
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XQItem* XQItemFactory::makeHeaderItem( const XQNodePtr& sheetEntry ) const
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{
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// header items are all non-data items:
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// - section header row items
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// - main tree header items
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// - main tree child items
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// - also: static items, hidden items
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// den itemtype des neuen items rausfinden
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QString typeKey = sheetEntry->attribute("HeaderItemType");
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XQItemType* itemType = findItemType(typeKey); // throws
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// das ist Unterschied zum normalen Item: Der Titel kommt aus der Modelbeschreibung
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const QString* contentPtr = sheetEntry->attribute_ptr("HeaderCaption");
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XQItem* newHeaderItem = new XQItem( itemType, contentPtr );
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return newHeaderItem;
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}
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void XQItemFactory::setItemDataFromString( XQItem& item, const QString& roleKey, const QString& source ) const
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{
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int dataRole = XQItem::fetchItemDataRole( roleKey );
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if( dataRole != XQItem::NoRole)
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{
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QVariant variant = makeVariant( dataRole, source );
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if( !variant.isNull() && variant.isValid() )
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item.setData( variant, dataRole );
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}
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}
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QVariant XQItemFactory::makeVariant( int dataRole, const QString& source ) const
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{
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QVariant value;
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switch(dataRole)
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{
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// das ist ein pointer auf den original-string aus dem XML
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case XQItem::ContentRole:
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{
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// content() -> QString*
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value = QVariant::fromValue(&source);
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break;
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}
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case XQItem::ItemTypeRole:
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{
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// itemType() -> XQItemType*
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XQItemType* itemType = findItemType( source );
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value = QVariant::fromValue(itemType);
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break;
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}
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case XQItem::RenderStyleRole:
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{
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XQItem::RenderStyle renderStyle = XQItem::fetchRenderStyle( source );
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value = QVariant::fromValue(renderStyle);
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break;
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}
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case XQItem::EditorTypeRole:
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{
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XQItem::EditorType editorType = XQItem::fetchEditorType( source );
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value = QVariant::fromValue(editorType);
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break;
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}
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case XQItem::UnitTypeRole:
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{
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XQItem::UnitType unitType = XQItem::fetchUnitType( source );
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value = QVariant::fromValue(unitType);
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break;
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}
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case XQItem::ContentFormatRole:
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{
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// contentFormat() -> QString
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value = QVariant::fromValue(source);
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break;
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}
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case XQItem::FlagsRole:
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{
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QFlags itemFlags = Qt::NoItemFlags;
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const QStringList flagKeys = source.split( '|' );
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for( const QString& flagKey : flagKeys )
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{
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Qt::ItemFlag flag = XQItem::fetchItemFlag( flagKey );
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itemFlags.setFlag( flag );
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}
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value = QVariant::fromValue(itemFlags);
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break;
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}
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case XQItem::IconRole:
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{
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QIcon typeIcon;
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if(XQAppData::hasTypeIcon(source))
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typeIcon = XQAppData::typeIcon(source);
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value = QVariant::fromValue(typeIcon);
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break;
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}
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case XQItem::FixedChoicesRole:
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{
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const QStringList choices = source.split( '|' );
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QStandardItemModel* fixedChoices = new QStandardItemModel();
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for( const QString& entry : choices )
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fixedChoices->appendRow( new QStandardItem( entry ) );
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value = QVariant::fromValue(fixedChoices);
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break;
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}
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/*
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case XQItem::ContentNodeRole:
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{
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value = QVariant::fromValue(&source);
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break;
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}
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case XQItem::XQItem::SheetNodeRole:
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{
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value = QVariant::fromValue(&source);
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break;
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}
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*/
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default:
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case XQItem::XQItem::NoRole:
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{
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break;
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}
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};
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//if( !value.toString().isEmpty())
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// setData( value, dataRole);
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return value;
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}
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///
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/// ------------------------------------------------
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///
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XQItemList XQItemFactory::makeHeaderRow( const XQNodePtr& sheetNode )
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{
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XQItemList list;
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// Die Kinder des Knotens beschreiben die einzelnen
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// Attribute des XML-Datenknotens
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for( const auto& attrNode : sheetNode->children() )
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{
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// ??
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//if(attrNode->has_children() )
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// continue;
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XQItem* headerItem = makeHeaderItem( attrNode );
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list.append( headerItem );
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}
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if( !list.empty() )
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{
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// wir merken uns den original content node auch, aber
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// im ersten Item.
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dynamic_cast<XQItem*>(list[0])->setContentNode(sheetNode);
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// brauchen wir den noch?
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dynamic_cast<XQItem*>(list[0])->setSheetNode(sheetNode);
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}
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return list;
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}
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// no clone here !
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XQItemList XQItemFactory::makeContentRow( const XQNodePtr& contentNode, const XQNodePtr& sheetNode )
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{
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XQItemList list;
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// - Gehe über alle Einträge der Typbeschreibung:
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//
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// <Battery>
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// <Voltage .../>
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// -> <Capacity ../>
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//
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// - Nimm das dazugehörige Attribut aus dem contentNode
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// value = contentNode->attributes["Capacity"];
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//
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for( const auto& sheetEntry : sheetNode->children() )
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{
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list.append( makeContentItem( contentNode, sheetEntry ) );
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}
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if( !list.empty() )
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{
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// wir merken uns den original content node auch, aber
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// im ersten Item.
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dynamic_cast<XQItem*>(list[0])->setContentNode(contentNode);
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}
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return list;
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}
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XQItemList XQItemFactory::makeEmptyRow( const XQNodePtr& contentNode, const XQNodePtr& sheetNode )
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{
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Q_UNUSED(contentNode)
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XQItemList list;
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// create a data node for each sheet entry
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size_t max = sheetNode->children().size();
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for( size_t i=0; i<max; ++i )
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{
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// __fix
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//list.append( new XQItem( "", XQItemType::EmptyStyle ) );
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}
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return list;
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}
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XQItemList XQItemFactory::createGenericRow( const XQNodePtr& contentNode, const XQNodePtr& sheetNode )
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{
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// we have a new empty contentNode, so we add attributes first.
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for( const auto& sheetEntry : sheetNode->children() )
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{
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QString value = "[" + sheetEntry->tag_name() + "]";
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if( sheetEntry->has_attribute("Unit") )
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value = "0";
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contentNode->set_attribute( sheetEntry->tag_name(), value );
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}
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if( sheetNode->has_attribute( c_FriendlyName ) )
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contentNode->set_attribute( c_FriendlyName, sheetNode->friendly_name() );
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// now, we can create a normal entry row
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return makeContentRow(contentNode, sheetNode );
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}
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