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remove QgsLegendModel
This commit is contained in:
Denis Rouzaud
parent
ab57541d86
commit
bbb9b5322d
@ -48,6 +48,7 @@ This page tries to maintain a list with incompatible changes that happened in pr
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so there is no longer a need for the separate cache class. Code which previously called QgsCRSCache::updateCRSCache()
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so there is no longer a need for the separate cache class. Code which previously called QgsCRSCache::updateCRSCache()
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should now call QgsCoordinateReferenceSystem::invalidateCache() and QgsCoordinateTransformCache::instance()->invalidateCrs( authid ).</li>
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should now call QgsCoordinateReferenceSystem::invalidateCache() and QgsCoordinateTransformCache::instance()->invalidateCrs( authid ).</li>
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<li>QgsLabel and QgsLabelAttributes. Replaced by labeling based on PAL library, see QgsLabelingEngineV2.</li>
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<li>QgsLabel and QgsLabelAttributes. Replaced by labeling based on PAL library, see QgsLabelingEngineV2.</li>
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<li>QgsLegendModel was removed.
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<li>QgsMapCanvasMap. It is an internal class used by map canvas.</li>
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<li>QgsMapCanvasMap. It is an internal class used by map canvas.</li>
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<li>QgsMapRenderer. It has been replaced by QgsMapRendererJob with subclasses and QgsMapSettings.</li>
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<li>QgsMapRenderer. It has been replaced by QgsMapRendererJob with subclasses and QgsMapSettings.</li>
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<li>QgsPseudoColorShader. This shader has been broken for some time and was replaced by QgsSingleBandPseudoColorRenderer.</li>
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<li>QgsPseudoColorShader. This shader has been broken for some time and was replaced by QgsSingleBandPseudoColorRenderer.</li>
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@ -60,10 +60,6 @@ class QgsComposerLegend : QgsComposerItem
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*/
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*/
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bool resizeToContents() const;
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bool resizeToContents() const;
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/** Returns pointer to the legend model*/
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//! @deprecated in 2.6 - use modelV2()
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QgsLegendModel* model() /Deprecated/;
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//! @note added in 2.6
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//! @note added in 2.6
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QgsLegendModelV2* modelV2();
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QgsLegendModelV2* modelV2();
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@ -1,77 +0,0 @@
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/** \ingroup core
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* A model that provides group, layer and classification items.
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*/
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class QgsLegendModel : QStandardItemModel
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{
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%TypeHeaderCode
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#include <qgslegendmodel.h>
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%End
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public:
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enum ItemType
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{
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GroupItem,
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LayerItem,
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ClassificationItem
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};
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QgsLegendModel();
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~QgsLegendModel();
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/** Set layers and groups from a layer tree
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* @note added in 2.6
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*/
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void setLayerSetAndGroups( QgsLayerTreeGroup* rootGroup );
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/** Sets layer set and groups
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* @deprecated in 2.6
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*/
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void setLayerSetAndGroups( const QStringList& layerIds, const QList< QPair< QString, QList<QString> > >& groupInfo ) /Deprecated/;
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void setLayerSet( const QStringList& layerIds, double scaleDenominator = -1, const QString& rule = "" );
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/** Adds a group
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@param text name of group (defaults to translation of "Group")
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@param position insertion position (toplevel position (or -1 if it should be placed at the end of the legend).
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@param parentItem parent item
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@returns a pointer to the added group
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*/
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QStandardItem *addGroup( QString text = QString::null, int position = -1, QStandardItem* parentItem = 0 );
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/** Tries to automatically update a model entry (e.g. a whole layer or only a single item)*/
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void updateItem( QStandardItem* item );
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/** Updates the whole symbology of a layer*/
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void updateLayer( QStandardItem* layerItem );
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/** Tries to update a single classification item*/
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void updateVectorV2ClassificationItem( QStandardItem* classificationItem, QgsSymbol* symbol, const QString& itemText );
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void updateRasterClassificationItem( QStandardItem* classificationItem );
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/** Update single item text using item userText and other properties like showFeatureCount */
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void updateItemText( QStandardItem* item );
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bool writeXml( QDomElement& composerLegendElem, QDomDocument& doc ) const;
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bool readXml( const QDomElement& legendModelElem, const QDomDocument& doc );
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Qt::DropActions supportedDropActions() const;
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Qt::ItemFlags flags( const QModelIndex &index ) const;
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/** Implemented to support drag operations*/
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virtual bool removeRows( int row, int count, const QModelIndex & parent = QModelIndex() );
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/** For the drag operation*/
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QMimeData* mimeData( const QModelIndexList &indexes ) const;
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QStringList mimeTypes() const;
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/** Implements the drop operation*/
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bool dropMimeData( const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent );
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void setAutoUpdate( bool autoUpdate );
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bool autoUpdate();
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public slots:
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void removeLayer( const QString& layerId );
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void addLayer( QgsMapLayer* theMapLayer, double scaleDenominator = -1, const QString& rule = "", QStandardItem* parentItem = 0 );
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signals:
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void layersChanged();
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};
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@ -207,7 +207,6 @@
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%Include composer/qgscomposerutils.sip
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%Include composer/qgscomposerutils.sip
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%Include composer/qgscomposition.sip
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%Include composer/qgscomposition.sip
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%Include composer/qgsdoubleboxscalebarstyle.sip
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%Include composer/qgsdoubleboxscalebarstyle.sip
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%Include composer/qgslegendmodel.sip
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%Include composer/qgsnumericscalebarstyle.sip
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%Include composer/qgsnumericscalebarstyle.sip
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%Include composer/qgspaperitem.sip
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%Include composer/qgspaperitem.sip
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%Include composer/qgsscalebarstyle.sip
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%Include composer/qgsscalebarstyle.sip
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@ -267,7 +267,6 @@ SET(QGIS_CORE_SRCS
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composer/qgscomposition.cpp
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composer/qgscomposition.cpp
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composer/qgsdoubleboxscalebarstyle.cpp
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composer/qgsdoubleboxscalebarstyle.cpp
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composer/qgsgroupungroupitemscommand.cpp
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composer/qgsgroupungroupitemscommand.cpp
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composer/qgslegendmodel.cpp
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composer/qgsnumericscalebarstyle.cpp
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composer/qgsnumericscalebarstyle.cpp
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composer/qgspaperitem.cpp
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composer/qgspaperitem.cpp
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composer/qgsscalebarstyle.cpp
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composer/qgsscalebarstyle.cpp
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@ -533,7 +532,6 @@ SET(QGIS_CORE_MOC_HDRS
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composer/qgscomposertexttable.h
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composer/qgscomposertexttable.h
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composer/qgscomposition.h
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composer/qgscomposition.h
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composer/qgsgroupungroupitemscommand.h
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composer/qgsgroupungroupitemscommand.h
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composer/qgslegendmodel.h
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composer/qgspaperitem.h
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composer/qgspaperitem.h
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raster/qgsrasterlayer.h
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raster/qgsrasterlayer.h
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@ -49,8 +49,6 @@ QgsComposerLegend::QgsComposerLegend( QgsComposition* composition )
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{
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{
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mLegendModel2 = new QgsLegendModelV2( QgsProject::instance()->layerTreeRoot() );
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mLegendModel2 = new QgsLegendModelV2( QgsProject::instance()->layerTreeRoot() );
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connect( &mLegendModel, SIGNAL( layersChanged() ), this, SLOT( synchronizeWithModel() ) );
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connect( &composition->atlasComposition(), SIGNAL( renderEnded() ), this, SLOT( onAtlasEnded() ) );
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connect( &composition->atlasComposition(), SIGNAL( renderEnded() ), this, SLOT( onAtlasEnded() ) );
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connect( &composition->atlasComposition(), SIGNAL( featureChanged( QgsFeature* ) ), this, SLOT( onAtlasFeature( QgsFeature* ) ) );
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connect( &composition->atlasComposition(), SIGNAL( featureChanged( QgsFeature* ) ), this, SLOT( onAtlasFeature( QgsFeature* ) ) );
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@ -341,10 +339,6 @@ void QgsComposerLegend::synchronizeWithModel()
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void QgsComposerLegend::updateLegend()
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void QgsComposerLegend::updateLegend()
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{
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{
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// take layer list from map renderer (to have legend order)
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mLegendModel.blockSignals( true );
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mLegendModel.setLayerSet( mComposition ? mComposition->mapSettings().layers() : QStringList() );
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mLegendModel.blockSignals( false );
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adjustBoxSize();
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adjustBoxSize();
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updateItem();
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updateItem();
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}
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}
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@ -20,7 +20,6 @@
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#include "qgscomposeritem.h"
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#include "qgscomposeritem.h"
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#include "qgslayertreemodel.h"
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#include "qgslayertreemodel.h"
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#include "qgslegendmodel.h"
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#include "qgslegendsettings.h"
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#include "qgslegendsettings.h"
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class QgsLayerTreeModel;
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class QgsLayerTreeModel;
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@ -87,10 +86,6 @@ class CORE_EXPORT QgsComposerLegend : public QgsComposerItem
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*/
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*/
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bool resizeToContents() const;
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bool resizeToContents() const;
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/** Returns pointer to the legend model*/
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//! @deprecated in 2.6 - use modelV2()
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Q_DECL_DEPRECATED QgsLegendModel* model() {return &mLegendModel;}
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//! @note added in 2.6
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//! @note added in 2.6
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QgsLegendModelV2* modelV2() { return mLegendModel2; }
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QgsLegendModelV2* modelV2() { return mLegendModel2; }
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@ -284,8 +279,6 @@ class CORE_EXPORT QgsComposerLegend : public QgsComposerItem
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//! use new custom layer tree and update model. if new root is null pointer, will use project's tree
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//! use new custom layer tree and update model. if new root is null pointer, will use project's tree
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void setCustomLayerTree( QgsLayerTreeGroup* rootGroup );
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void setCustomLayerTree( QgsLayerTreeGroup* rootGroup );
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QgsLegendModel mLegendModel;
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QgsLegendModelV2* mLegendModel2;
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QgsLegendModelV2* mLegendModel2;
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QgsLayerTreeGroup* mCustomLayerTree;
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QgsLayerTreeGroup* mCustomLayerTree;
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@ -1,942 +0,0 @@
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/***************************************************************************
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qgslegendmodel.cpp - description
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------------------
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begin : June 2008
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copyright : (C) 2008 by Marco Hugentobler
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email : marco dot hugentobler at karto dot baug dot ethz dot ch
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***************************************************************************/
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/***************************************************************************
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* *
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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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***************************************************************************/
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#include "qgslegendmodel.h"
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#include "qgscomposerlegenditem.h"
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#include "qgsfield.h"
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#include "qgslayertree.h"
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#include "qgsmaplayer.h"
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#include "qgsmaplayerregistry.h"
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#include "qgsrasterdataprovider.h"
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#include "qgsrasterlayer.h"
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#include "qgsrasterrenderer.h"
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#include "qgsrendererv2.h"
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#include "qgssymbollayerutils.h"
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#include "qgsvectordataprovider.h"
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#include "qgsvectorlayer.h"
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#include <QApplication>
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#include <QDomDocument>
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#include <QDomElement>
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#include <QMimeData>
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#include <QSettings>
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#include <QMessageBox>
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QgsLegendModel::QgsLegendModel(): QStandardItemModel(), mAutoUpdate( true )
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{
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setColumnCount( 2 );
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if ( QgsMapLayerRegistry::instance() )
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{
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connect( QgsMapLayerRegistry::instance(), SIGNAL( layerWillBeRemoved( QString ) ), this, SLOT( removeLayer( const QString& ) ) );
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connect( QgsMapLayerRegistry::instance(), SIGNAL( layerWasAdded( QgsMapLayer* ) ), this, SLOT( addLayer( QgsMapLayer* ) ) );
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}
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QWidgetList topLevelWidgets = QApplication::topLevelWidgets();
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mHasTopLevelWindow = ( !topLevelWidgets.isEmpty() );
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}
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QgsLegendModel::~QgsLegendModel()
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{
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}
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void QgsLegendModel::setLayerSetAndGroups( QgsLayerTreeGroup* rootGroup )
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{
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clear();
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addGroupFromLayerTree( rootGroup, invisibleRootItem() );
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}
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void QgsLegendModel::addGroupFromLayerTree( QgsLayerTreeGroup* parentGroup, QStandardItem* parentItem )
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{
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Q_FOREACH ( QgsLayerTreeNode* node, parentGroup->children() )
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{
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if ( QgsLayerTree::isGroup( node ) )
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{
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QgsLayerTreeGroup* nodeGroup = QgsLayerTree::toGroup( node );
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QStandardItem* groupItem = addGroup( nodeGroup->name(), -1, parentItem );
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addGroupFromLayerTree( nodeGroup, groupItem );
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}
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else if ( QgsLayerTree::isLayer( node ) )
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{
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QgsLayerTreeLayer* nodeLayer = QgsLayerTree::toLayer( node );
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if ( nodeLayer->layer() )
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addLayer( nodeLayer->layer(), -1, QString(), parentItem );
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}
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}
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}
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void QgsLegendModel::setLayerSetAndGroups( const QStringList& layerIds, const QList< GroupLayerInfo >& groupInfo )
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{
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setLayerSet( layerIds );
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QStandardItem* currentItem = nullptr;
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QStandardItem* currentGroupItem = nullptr;
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int i = 0;
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QList< GroupLayerInfo >::const_iterator infoIt = groupInfo.constBegin();
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for ( ; infoIt != groupInfo.constEnd() && i < invisibleRootItem()->rowCount(); )
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{
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currentItem = invisibleRootItem()->child( i, 0 );
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QString infoKey = infoIt->first;
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if ( infoKey.isNull() ) //a toplevel layer
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{
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++i;
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}
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else //a group
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{
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currentGroupItem = addGroup( infoKey, i );
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++i;
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QList<QString> layerList = infoIt->second;
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QList<QString>::const_iterator groupLayerIt = layerList.constBegin();
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for ( ; currentItem && ( groupLayerIt != layerList.constEnd() ); ++groupLayerIt )
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{
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//check if current item is contained in this group
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QgsComposerLayerItem* layerItem = dynamic_cast<QgsComposerLayerItem*>( currentItem );
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if ( !layerItem )
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{
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return; //should never happen
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}
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QString layerID = layerItem->layerId();
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if ( layerList.contains( layerID ) )
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{
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takeRow( i );
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currentGroupItem->setChild( currentGroupItem->rowCount(), 0, currentItem );
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}
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else
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{
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++i;
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}
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currentItem = invisibleRootItem()->child( i, 0 );
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}
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}
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++infoIt;
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}
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}
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void QgsLegendModel::setLayerSet( const QStringList& layerIds, double scaleDenominator, const QString& rule )
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{
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mLayerIds = layerIds;
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//for now clear the model and add the new entries
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clear();
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QStringList::const_iterator idIter = mLayerIds.constBegin();
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QgsMapLayer* currentLayer = nullptr;
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for ( ; idIter != mLayerIds.constEnd(); ++idIter )
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{
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currentLayer = QgsMapLayerRegistry::instance()->mapLayer( *idIter );
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addLayer( currentLayer, scaleDenominator, rule );
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}
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}
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QStandardItem* QgsLegendModel::addGroup( QString text, int position, QStandardItem* parentItem )
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{
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if ( text.isNull() )
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text = tr( "Group" );
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if ( !parentItem )
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parentItem = invisibleRootItem();
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QgsComposerGroupItem* groupItem = new QgsComposerGroupItem( text );
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groupItem->setUserText( text );
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if ( position == -1 )
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{
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position = parentItem->rowCount();
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}
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QList<QStandardItem *> itemsList;
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itemsList << groupItem << new QgsComposerStyleItem( groupItem );
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parentItem->insertRow( position, itemsList );
|
|
||||||
|
|
||||||
emit layersChanged();
|
|
||||||
return groupItem;
|
|
||||||
}
|
|
||||||
|
|
||||||
int QgsLegendModel::addVectorLayerItemsV2( QStandardItem* layerItem, QgsVectorLayer* vlayer, double scaleDenominator, const QString& rule )
|
|
||||||
{
|
|
||||||
QgsComposerLayerItem* lItem = dynamic_cast<QgsComposerLayerItem*>( layerItem );
|
|
||||||
|
|
||||||
if ( !layerItem || !lItem || !vlayer )
|
|
||||||
{
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
QgsFeatureRendererV2* renderer = vlayer->rendererV2();
|
|
||||||
if ( !renderer )
|
|
||||||
{
|
|
||||||
return 2;
|
|
||||||
}
|
|
||||||
|
|
||||||
if ( lItem->showFeatureCount() )
|
|
||||||
{
|
|
||||||
if ( !vlayer->countSymbolFeatures() )
|
|
||||||
{
|
|
||||||
QgsDebugMsg( "Cannot get feature counts" );
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
QgsLegendSymbolList lst = renderer->legendSymbolItems( scaleDenominator, rule );
|
|
||||||
QgsLegendSymbolList::const_iterator symbolIt = lst.constBegin();
|
|
||||||
int row = 0;
|
|
||||||
for ( ; symbolIt != lst.constEnd(); ++symbolIt )
|
|
||||||
{
|
|
||||||
if ( qgsDoubleNear( scaleDenominator, -1 ) && rule.isEmpty() )
|
|
||||||
{
|
|
||||||
QgsComposerSymbolV2Item* currentSymbolItem = new QgsComposerSymbolV2Item( "" );
|
|
||||||
|
|
||||||
// Get userText from old item if exists
|
|
||||||
QgsComposerSymbolV2Item* oldSymbolItem = dynamic_cast<QgsComposerSymbolV2Item*>( layerItem->child( row, 0 ) );
|
|
||||||
if ( oldSymbolItem )
|
|
||||||
{
|
|
||||||
currentSymbolItem->setUserText( oldSymbolItem->userText() );
|
|
||||||
}
|
|
||||||
|
|
||||||
currentSymbolItem->setFlags( Qt::ItemIsEnabled | Qt::ItemIsSelectable );
|
|
||||||
if ( symbolIt->second )
|
|
||||||
{
|
|
||||||
if ( mHasTopLevelWindow ) //only use QIcon / QPixmap if we have a running x-server
|
|
||||||
{
|
|
||||||
currentSymbolItem->setIcon( QgsSymbolLayerUtils::symbolPreviewIcon( symbolIt->second, QSize( 30, 30 ) ) );
|
|
||||||
}
|
|
||||||
currentSymbolItem->setSymbolV2( symbolIt->second->clone() );
|
|
||||||
}
|
|
||||||
layerItem->setChild( row, 0, currentSymbolItem );
|
|
||||||
|
|
||||||
// updateSymbolV2ItemText needs layer set
|
|
||||||
updateSymbolV2ItemText( currentSymbolItem );
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
QgsComposerSymbolV2Item* currentSymbolItem = new QgsComposerSymbolV2Item( "" );
|
|
||||||
if ( mHasTopLevelWindow ) //only use QIcon / QPixmap if we have a running x-server
|
|
||||||
{
|
|
||||||
currentSymbolItem->setIcon( QgsSymbolLayerUtils::symbolPreviewIcon( symbolIt->second, QSize( 30, 30 ) ) );
|
|
||||||
}
|
|
||||||
currentSymbolItem->setSymbolV2( symbolIt->second->clone() );
|
|
||||||
layerItem->setChild( row, 0, currentSymbolItem );
|
|
||||||
currentSymbolItem->setText( symbolIt->first );
|
|
||||||
}
|
|
||||||
|
|
||||||
row++;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Don't remove row on getLegendGraphic (read only with filter)
|
|
||||||
if ( qgsDoubleNear( scaleDenominator, -1 ) && rule.isEmpty() )
|
|
||||||
{
|
|
||||||
// Delete following old items (if current number of items decreased)
|
|
||||||
for ( int i = layerItem->rowCount() - 1; i >= row; --i )
|
|
||||||
{
|
|
||||||
layerItem->removeRow( i );
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
int QgsLegendModel::addRasterLayerItems( QStandardItem* layerItem, QgsMapLayer* rlayer )
|
|
||||||
{
|
|
||||||
if ( !layerItem || !rlayer )
|
|
||||||
{
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
QgsRasterLayer* rasterLayer = qobject_cast<QgsRasterLayer *>( rlayer );
|
|
||||||
if ( !rasterLayer )
|
|
||||||
{
|
|
||||||
return 2;
|
|
||||||
}
|
|
||||||
|
|
||||||
QgsDebugMsg( QString( "layer providertype:: %1" ).arg( rasterLayer->providerType() ) );
|
|
||||||
if ( rasterLayer->dataProvider()->supportsLegendGraphic() )
|
|
||||||
{
|
|
||||||
QgsComposerRasterSymbolItem* currentSymbolItem = new QgsComposerRasterSymbolItem( "" );
|
|
||||||
// GetLegendGraphics in case of WMS service... image can return null if GetLegendGraphics
|
|
||||||
// is not supported by the server
|
|
||||||
// double currentScale = legend()->canvas()->scale();
|
|
||||||
// BEWARE getLegendGraphic() COULD BE USED WITHOUT SCALE PARAMETER IF IT WAS ALREADY CALLED WITH
|
|
||||||
// THIS PARAMETER FROM A COMPONENT THAT CAN RECOVER CURRENT SCALE => LEGEND IN THE DESKTOP
|
|
||||||
// OTHERWISE IT RETURN A INVALID PIXMAP (QPixmap().isNull() == False)
|
|
||||||
QImage legendGraphic = rasterLayer->dataProvider()->getLegendGraphic();
|
|
||||||
if ( !legendGraphic.isNull() )
|
|
||||||
{
|
|
||||||
QgsDebugMsg( QString( "downloaded legend with dimension width:" ) + QString::number( legendGraphic.width() ) + QString( " and Height:" ) + QString::number( legendGraphic.height() ) );
|
|
||||||
if ( mHasTopLevelWindow )
|
|
||||||
{
|
|
||||||
currentSymbolItem->setIcon( QIcon( QPixmap::fromImage( legendGraphic ) ) );
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
currentSymbolItem->setText( tr( "No Legend Available" ) );
|
|
||||||
}
|
|
||||||
|
|
||||||
currentSymbolItem->setLayerId( rasterLayer->id() );
|
|
||||||
currentSymbolItem->setColor( QColor() );
|
|
||||||
layerItem->removeRows( 0, layerItem->rowCount() );
|
|
||||||
layerItem->setChild( layerItem->rowCount(), 0, currentSymbolItem );
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
QList< QPair< QString, QColor > > rasterItemList = rasterLayer->legendSymbologyItems();
|
|
||||||
QList< QPair< QString, QColor > >::const_iterator itemIt = rasterItemList.constBegin();
|
|
||||||
int row = 0;
|
|
||||||
for ( ; itemIt != rasterItemList.constEnd(); ++itemIt )
|
|
||||||
{
|
|
||||||
QgsComposerRasterSymbolItem* currentSymbolItem = new QgsComposerRasterSymbolItem( itemIt->first );
|
|
||||||
|
|
||||||
QgsComposerRasterSymbolItem* oldSymbolItem = dynamic_cast<QgsComposerRasterSymbolItem*>( layerItem->child( row, 0 ) );
|
|
||||||
if ( oldSymbolItem )
|
|
||||||
{
|
|
||||||
currentSymbolItem->setUserText( oldSymbolItem->userText() );
|
|
||||||
currentSymbolItem->setText( currentSymbolItem->userText() );
|
|
||||||
}
|
|
||||||
|
|
||||||
if ( mHasTopLevelWindow )
|
|
||||||
{
|
|
||||||
QPixmap itemPixmap( 20, 20 );
|
|
||||||
itemPixmap.fill( itemIt->second );
|
|
||||||
currentSymbolItem->setIcon( QIcon( itemPixmap ) );
|
|
||||||
}
|
|
||||||
currentSymbolItem->setLayerId( rasterLayer->id() );
|
|
||||||
|
|
||||||
QColor itemColor = itemIt->second;
|
|
||||||
|
|
||||||
//determine raster layer opacity, and adjust item color opacity to match
|
|
||||||
QgsRasterRenderer* rasterRenderer = rasterLayer->renderer();
|
|
||||||
int opacity = 255;
|
|
||||||
if ( rasterRenderer )
|
|
||||||
{
|
|
||||||
opacity = rasterRenderer->opacity() * 255.0;
|
|
||||||
}
|
|
||||||
itemColor.setAlpha( opacity );
|
|
||||||
|
|
||||||
currentSymbolItem->setColor( itemColor );
|
|
||||||
|
|
||||||
int currentRowCount = layerItem->rowCount();
|
|
||||||
layerItem->setChild( currentRowCount, 0, currentSymbolItem );
|
|
||||||
row++;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Delete following old items (if current number of items decreased)
|
|
||||||
for ( int i = layerItem->rowCount() - 1; i >= row; --i )
|
|
||||||
{
|
|
||||||
layerItem->removeRow( i );
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
void QgsLegendModel::updateSymbolV2ItemText( QStandardItem* symbolItem )
|
|
||||||
{
|
|
||||||
QgsComposerSymbolV2Item* sv2Item = dynamic_cast<QgsComposerSymbolV2Item*>( symbolItem );
|
|
||||||
if ( !sv2Item ) return;
|
|
||||||
|
|
||||||
QgsComposerLayerItem* lItem = dynamic_cast<QgsComposerLayerItem*>( sv2Item->parent() );
|
|
||||||
if ( !lItem ) return;
|
|
||||||
|
|
||||||
QgsMapLayer* mapLayer = QgsMapLayerRegistry::instance()->mapLayer( lItem->layerId() );
|
|
||||||
if ( !mapLayer ) return;
|
|
||||||
|
|
||||||
QgsVectorLayer* vLayer = qobject_cast<QgsVectorLayer*>( mapLayer );
|
|
||||||
if ( !vLayer ) return;
|
|
||||||
|
|
||||||
QgsFeatureRendererV2* renderer = vLayer->rendererV2();
|
|
||||||
if ( !renderer ) return;
|
|
||||||
|
|
||||||
if ( lItem->showFeatureCount() ) vLayer->countSymbolFeatures();
|
|
||||||
|
|
||||||
QgsLegendSymbolList symbolList = renderer->legendSymbolItems();
|
|
||||||
|
|
||||||
QPair<QString, QgsSymbol*> symbol = symbolList.value( symbolItem->row() );
|
|
||||||
|
|
||||||
QString label = sv2Item->userText().isEmpty() ? symbol.first : sv2Item->userText();
|
|
||||||
|
|
||||||
if ( renderer->type() == "singleSymbol" )
|
|
||||||
{
|
|
||||||
if ( !sv2Item->userText().isEmpty() )
|
|
||||||
{
|
|
||||||
label = sv2Item->userText();
|
|
||||||
}
|
|
||||||
else if ( !lItem->userText().isEmpty() )
|
|
||||||
{
|
|
||||||
label = lItem->userText();
|
|
||||||
}
|
|
||||||
else if ( !vLayer->title().isEmpty() )
|
|
||||||
{
|
|
||||||
label = vLayer->title();
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
label = vLayer->name();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if ( lItem->showFeatureCount() )
|
|
||||||
{
|
|
||||||
// Add counts to multi symbols layers only or labeled single symbols,
|
|
||||||
// so that single symbol layers are still drawn on single line
|
|
||||||
if ( symbolList.size() > 1 || !label.isEmpty() )
|
|
||||||
{
|
|
||||||
label += QString( " [%1]" ).arg( vLayer->featureCount( symbol.second ) );
|
|
||||||
}
|
|
||||||
}
|
|
||||||
symbolItem->setText( label );
|
|
||||||
}
|
|
||||||
|
|
||||||
void QgsLegendModel::updateRasterSymbolItemText( QStandardItem* symbolItem )
|
|
||||||
{
|
|
||||||
QgsComposerRasterSymbolItem* rItem = dynamic_cast<QgsComposerRasterSymbolItem*>( symbolItem );
|
|
||||||
if ( !rItem ) return;
|
|
||||||
|
|
||||||
QgsComposerLayerItem* lItem = dynamic_cast<QgsComposerLayerItem*>( rItem->parent() );
|
|
||||||
if ( !lItem ) return;
|
|
||||||
|
|
||||||
QgsMapLayer* mapLayer = QgsMapLayerRegistry::instance()->mapLayer( lItem->layerId() );
|
|
||||||
if ( !mapLayer ) return;
|
|
||||||
|
|
||||||
QgsRasterLayer* rLayer = qobject_cast<QgsRasterLayer*>( mapLayer );
|
|
||||||
if ( !rLayer ) return;
|
|
||||||
|
|
||||||
QPair< QString, QColor> symbol = rLayer->legendSymbologyItems().value( symbolItem->row() );
|
|
||||||
|
|
||||||
QString label = rItem->userText().isEmpty() ? symbol.first : rItem->userText();
|
|
||||||
|
|
||||||
symbolItem->setText( label );
|
|
||||||
}
|
|
||||||
|
|
||||||
void QgsLegendModel::updateItem( QStandardItem* item )
|
|
||||||
{
|
|
||||||
if ( !item )
|
|
||||||
{
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
//only layer items are supported for update
|
|
||||||
QgsComposerLegendItem* cItem = dynamic_cast<QgsComposerLegendItem*>( item );
|
|
||||||
if ( ! cItem )
|
|
||||||
{
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
QgsComposerLegendItem::ItemType type = cItem->itemType();
|
|
||||||
if ( type == QgsComposerLegendItem::LayerItem )
|
|
||||||
{
|
|
||||||
updateLayer( cItem );
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
void QgsLegendModel::updateItemText( QStandardItem* item )
|
|
||||||
{
|
|
||||||
if ( !item )
|
|
||||||
{
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
//only layer items are supported for update
|
|
||||||
QgsComposerLegendItem* cItem = dynamic_cast<QgsComposerLegendItem*>( item );
|
|
||||||
if ( ! cItem )
|
|
||||||
{
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
QgsComposerLayerItem* lItem = dynamic_cast<QgsComposerLayerItem*>( cItem );
|
|
||||||
if ( lItem )
|
|
||||||
{
|
|
||||||
updateLayerItemText( lItem );
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
QgsComposerSymbolV2Item* sv2Item = dynamic_cast<QgsComposerSymbolV2Item*>( cItem );
|
|
||||||
if ( sv2Item )
|
|
||||||
{
|
|
||||||
updateSymbolV2ItemText( sv2Item );
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
QgsComposerRasterSymbolItem* rItem = dynamic_cast<QgsComposerRasterSymbolItem*>( cItem );
|
|
||||||
if ( rItem )
|
|
||||||
{
|
|
||||||
updateRasterSymbolItemText( rItem );
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
// group
|
|
||||||
cItem->setText( cItem->userText() );
|
|
||||||
}
|
|
||||||
|
|
||||||
void QgsLegendModel::updateLayer( QStandardItem* layerItem )
|
|
||||||
{
|
|
||||||
QgsDebugMsg( "Entered." );
|
|
||||||
QgsComposerLayerItem* lItem = dynamic_cast<QgsComposerLayerItem*>( layerItem );
|
|
||||||
if ( lItem )
|
|
||||||
{
|
|
||||||
QgsMapLayer* mapLayer = QgsMapLayerRegistry::instance()->mapLayer( lItem->layerId() );
|
|
||||||
if ( mapLayer )
|
|
||||||
{
|
|
||||||
updateLayerItemText( lItem );
|
|
||||||
|
|
||||||
QgsVectorLayer* vLayer = qobject_cast<QgsVectorLayer*>( mapLayer );
|
|
||||||
if ( vLayer )
|
|
||||||
{
|
|
||||||
addVectorLayerItemsV2( lItem, vLayer );
|
|
||||||
}
|
|
||||||
|
|
||||||
QgsRasterLayer* rLayer = qobject_cast<QgsRasterLayer*>( mapLayer );
|
|
||||||
if ( rLayer )
|
|
||||||
{
|
|
||||||
addRasterLayerItems( lItem, rLayer );
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
void QgsLegendModel::updateLayerItemText( QStandardItem* layerItem )
|
|
||||||
{
|
|
||||||
QgsComposerLayerItem* lItem = dynamic_cast<QgsComposerLayerItem*>( layerItem );
|
|
||||||
if ( !lItem ) return;
|
|
||||||
|
|
||||||
QgsMapLayer* mapLayer = QgsMapLayerRegistry::instance()->mapLayer( lItem->layerId() );
|
|
||||||
if ( !mapLayer ) return;
|
|
||||||
|
|
||||||
QString label = lItem->userText().isEmpty() ? mapLayer->name() : lItem->userText();
|
|
||||||
|
|
||||||
QgsVectorLayer* vLayer = qobject_cast<QgsVectorLayer*>( mapLayer );
|
|
||||||
if ( vLayer )
|
|
||||||
{
|
|
||||||
addVectorLayerItemsV2( lItem, vLayer );
|
|
||||||
if ( lItem->showFeatureCount() )
|
|
||||||
{
|
|
||||||
label += QString( " [%1]" ).arg( vLayer->featureCount() );
|
|
||||||
}
|
|
||||||
}
|
|
||||||
lItem->setText( label );
|
|
||||||
}
|
|
||||||
|
|
||||||
void QgsLegendModel::removeLayer( const QString& layerId )
|
|
||||||
{
|
|
||||||
int numRootItems = rowCount();
|
|
||||||
for ( int i = 0; i < numRootItems ; ++i )
|
|
||||||
{
|
|
||||||
QgsComposerLayerItem* lItem = dynamic_cast<QgsComposerLayerItem*>( item( i ) );
|
|
||||||
if ( !lItem )
|
|
||||||
{
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
if ( layerId == lItem->layerId() )
|
|
||||||
{
|
|
||||||
if ( QgsMapLayerRegistry::instance() )
|
|
||||||
{
|
|
||||||
QgsMapLayer* layer = QgsMapLayerRegistry::instance()->mapLayer( lItem->layerId() );
|
|
||||||
if ( layer )
|
|
||||||
{
|
|
||||||
disconnect( layer, SIGNAL( rendererChanged() ), this, SLOT( updateLayer() ) );
|
|
||||||
}
|
|
||||||
}
|
|
||||||
removeRow( i ); //todo: also remove the subitems and their symbols...
|
|
||||||
emit layersChanged();
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
void QgsLegendModel::addLayer( QgsMapLayer* theMapLayer, double scaleDenominator, const QString& rule, QStandardItem* parentItem )
|
|
||||||
{
|
|
||||||
if ( !theMapLayer )
|
|
||||||
{
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
if ( !parentItem )
|
|
||||||
parentItem = invisibleRootItem();
|
|
||||||
|
|
||||||
QgsComposerLayerItem* layerItem = new QgsComposerLayerItem( theMapLayer->name() );
|
|
||||||
if ( theMapLayer->title() != "" )
|
|
||||||
{
|
|
||||||
layerItem->setText( theMapLayer->title() );
|
|
||||||
layerItem->setUserText( theMapLayer->title() );
|
|
||||||
}
|
|
||||||
layerItem->setLayerId( theMapLayer->id() );
|
|
||||||
layerItem->setDefaultStyle( scaleDenominator, rule );
|
|
||||||
layerItem->setFlags( Qt::ItemIsEnabled | Qt::ItemIsSelectable );
|
|
||||||
|
|
||||||
QList<QStandardItem *> itemsList;
|
|
||||||
itemsList << layerItem << new QgsComposerStyleItem( layerItem );
|
|
||||||
parentItem->appendRow( itemsList );
|
|
||||||
|
|
||||||
switch ( theMapLayer->type() )
|
|
||||||
{
|
|
||||||
case QgsMapLayer::VectorLayer:
|
|
||||||
{
|
|
||||||
QgsVectorLayer* vl = dynamic_cast<QgsVectorLayer*>( theMapLayer );
|
|
||||||
if ( vl )
|
|
||||||
{
|
|
||||||
addVectorLayerItemsV2( layerItem, vl, scaleDenominator, rule );
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
case QgsMapLayer::RasterLayer:
|
|
||||||
addRasterLayerItems( layerItem, theMapLayer );
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
if ( mAutoUpdate )
|
|
||||||
{
|
|
||||||
connect( theMapLayer, SIGNAL( rendererChanged() ), this, SLOT( updateLayer() ) );
|
|
||||||
}
|
|
||||||
|
|
||||||
emit layersChanged();
|
|
||||||
}
|
|
||||||
|
|
||||||
void QgsLegendModel::updateLayer()
|
|
||||||
{
|
|
||||||
QString layerId = qobject_cast<QgsMapLayer*>( QObject::sender() )->id();
|
|
||||||
|
|
||||||
for ( int i = 0, n = rowCount(); i < n ; ++i )
|
|
||||||
{
|
|
||||||
QgsComposerLayerItem* lItem = dynamic_cast<QgsComposerLayerItem*>( item( i ) );
|
|
||||||
if ( lItem && layerId == lItem->layerId() )
|
|
||||||
{
|
|
||||||
updateLayer( lItem );
|
|
||||||
emit layersChanged();
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
bool QgsLegendModel::writeXml( QDomElement& composerLegendElem, QDomDocument& doc ) const
|
|
||||||
{
|
|
||||||
if ( composerLegendElem.isNull() )
|
|
||||||
{
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
QDomElement legendModelElem = doc.createElement( "Model" );
|
|
||||||
legendModelElem.setAttribute( "autoUpdate", mAutoUpdate );
|
|
||||||
int nTopLevelItems = invisibleRootItem()->rowCount();
|
|
||||||
QStandardItem* currentItem = nullptr;
|
|
||||||
QgsComposerLegendItem* currentLegendItem = nullptr;
|
|
||||||
|
|
||||||
for ( int i = 0; i < nTopLevelItems; ++i )
|
|
||||||
{
|
|
||||||
currentItem = invisibleRootItem()->child( i, 0 );
|
|
||||||
currentLegendItem = dynamic_cast<QgsComposerLegendItem*>( currentItem );
|
|
||||||
if ( currentLegendItem )
|
|
||||||
{
|
|
||||||
currentLegendItem->writeXml( legendModelElem, doc );
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
composerLegendElem.appendChild( legendModelElem );
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
|
|
||||||
bool QgsLegendModel::readXml( const QDomElement& legendModelElem, const QDomDocument& doc )
|
|
||||||
{
|
|
||||||
Q_UNUSED( doc );
|
|
||||||
|
|
||||||
if ( legendModelElem.isNull() )
|
|
||||||
{
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
clear();
|
|
||||||
//disable autoupdates here in order to have a setAutoUpdate(true)
|
|
||||||
//below connect the rendererChanged signals to the layers
|
|
||||||
setAutoUpdate( false );
|
|
||||||
|
|
||||||
QDomNodeList topLevelItemList = legendModelElem.childNodes();
|
|
||||||
QDomElement currentElem;
|
|
||||||
|
|
||||||
int nTopLevelItems = topLevelItemList.size();
|
|
||||||
for ( int i = 0; i < nTopLevelItems; ++i )
|
|
||||||
{
|
|
||||||
currentElem = topLevelItemList.at( i ).toElement();
|
|
||||||
if ( currentElem.isNull() )
|
|
||||||
{
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
//toplevel items can be groups or layers
|
|
||||||
QgsComposerLegendItem* currentItem = nullptr;
|
|
||||||
if ( currentElem.tagName() == "LayerItem" )
|
|
||||||
{
|
|
||||||
currentItem = new QgsComposerLayerItem();
|
|
||||||
}
|
|
||||||
else if ( currentElem.tagName() == "GroupItem" )
|
|
||||||
{
|
|
||||||
currentItem = new QgsComposerGroupItem();
|
|
||||||
}
|
|
||||||
|
|
||||||
if ( !currentItem )
|
|
||||||
continue;
|
|
||||||
|
|
||||||
currentItem->readXml( currentElem, mHasTopLevelWindow );
|
|
||||||
|
|
||||||
QList<QStandardItem *> itemsList;
|
|
||||||
itemsList << currentItem << new QgsComposerStyleItem( currentItem );
|
|
||||||
appendRow( itemsList );
|
|
||||||
}
|
|
||||||
|
|
||||||
setAutoUpdate( legendModelElem.attribute( "autoUpdate", "1" ).toInt() );
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
|
|
||||||
Qt::DropActions QgsLegendModel::supportedDropActions() const
|
|
||||||
{
|
|
||||||
return Qt::MoveAction;
|
|
||||||
}
|
|
||||||
|
|
||||||
Qt::ItemFlags QgsLegendModel::flags( const QModelIndex &index ) const
|
|
||||||
{
|
|
||||||
Qt::ItemFlags flags = Qt::ItemIsEnabled | Qt::ItemIsSelectable;
|
|
||||||
if ( !index.isValid() )
|
|
||||||
{
|
|
||||||
flags |= Qt::ItemIsDropEnabled;
|
|
||||||
return flags;
|
|
||||||
}
|
|
||||||
|
|
||||||
QStandardItem* item = itemFromIndex( index );
|
|
||||||
QgsComposerLegendItem* cItem = dynamic_cast<QgsComposerLegendItem*>( item );
|
|
||||||
|
|
||||||
if ( cItem )
|
|
||||||
{
|
|
||||||
QgsComposerLegendItem::ItemType type = cItem->itemType();
|
|
||||||
if ( type == QgsComposerLegendItem::GroupItem )
|
|
||||||
{
|
|
||||||
flags |= Qt::ItemIsDragEnabled;
|
|
||||||
flags |= Qt::ItemIsDropEnabled;
|
|
||||||
}
|
|
||||||
else if ( type == QgsComposerLegendItem::LayerItem )
|
|
||||||
{
|
|
||||||
flags |= Qt::ItemIsDragEnabled;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
if ( index.column() == 1 && item )
|
|
||||||
{
|
|
||||||
// Style
|
|
||||||
QStandardItem* firstColumnItem = nullptr;
|
|
||||||
if ( item->parent() )
|
|
||||||
{
|
|
||||||
firstColumnItem = item->parent()->child( index.row(), 0 );
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
firstColumnItem = QgsLegendModel::item( index.row(), 0 );
|
|
||||||
}
|
|
||||||
cItem = dynamic_cast<QgsComposerLegendItem*>( firstColumnItem );
|
|
||||||
|
|
||||||
if ( cItem )
|
|
||||||
{
|
|
||||||
if ( cItem->itemType() == QgsComposerLegendItem::GroupItem ||
|
|
||||||
cItem->itemType() == QgsComposerLegendItem::LayerItem )
|
|
||||||
{
|
|
||||||
flags |= Qt::ItemIsEditable;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return flags;
|
|
||||||
}
|
|
||||||
|
|
||||||
bool QgsLegendModel::removeRows( int row, int count, const QModelIndex & parent )
|
|
||||||
{
|
|
||||||
if ( count < 1 )
|
|
||||||
{
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
if ( parent.isValid() )
|
|
||||||
{
|
|
||||||
for ( int i = row + count - 1; i >= row; --i )
|
|
||||||
{
|
|
||||||
QStandardItem* item = itemFromIndex( parent );
|
|
||||||
if ( item )
|
|
||||||
{
|
|
||||||
item->takeRow( i );
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
for ( int i = row + count - 1; i >= row; --i )
|
|
||||||
{
|
|
||||||
takeRow( i );
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
|
|
||||||
QMimeData* QgsLegendModel::mimeData( const QModelIndexList &indexes ) const
|
|
||||||
{
|
|
||||||
QMimeData* mimeData = new QMimeData();
|
|
||||||
QDomDocument xmlDoc;
|
|
||||||
QDomElement xmlRootElement = xmlDoc.createElement( "LegendModelDragData" );
|
|
||||||
xmlDoc.appendChild( xmlRootElement );
|
|
||||||
|
|
||||||
QModelIndexList::const_iterator indexIt = indexes.constBegin();
|
|
||||||
for ( ; indexIt != indexes.constEnd(); ++indexIt )
|
|
||||||
{
|
|
||||||
QStandardItem* sItem = itemFromIndex( *indexIt );
|
|
||||||
if ( sItem )
|
|
||||||
{
|
|
||||||
QgsComposerLegendItem* mItem = dynamic_cast<QgsComposerLegendItem*>( sItem );
|
|
||||||
if ( mItem )
|
|
||||||
{
|
|
||||||
mItem->writeXml( xmlRootElement, xmlDoc );
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
mimeData->setData( "text/xml", xmlDoc.toByteArray() );
|
|
||||||
return mimeData;
|
|
||||||
}
|
|
||||||
|
|
||||||
QStringList QgsLegendModel::mimeTypes() const
|
|
||||||
{
|
|
||||||
QStringList types;
|
|
||||||
types << "text/xml";
|
|
||||||
return types;
|
|
||||||
}
|
|
||||||
|
|
||||||
bool QgsLegendModel::dropMimeData( const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent )
|
|
||||||
{
|
|
||||||
Q_UNUSED( action );
|
|
||||||
Q_UNUSED( column );
|
|
||||||
|
|
||||||
if ( !data->hasFormat( "text/xml" ) )
|
|
||||||
{
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
QStandardItem* dropIntoItem = nullptr;
|
|
||||||
if ( parent.isValid() )
|
|
||||||
{
|
|
||||||
dropIntoItem = itemFromIndex( parent );
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
dropIntoItem = invisibleRootItem();
|
|
||||||
}
|
|
||||||
|
|
||||||
//get XML doc
|
|
||||||
QByteArray encodedData = data->data( "text/xml" );
|
|
||||||
QDomDocument xmlDoc;
|
|
||||||
xmlDoc.setContent( encodedData );
|
|
||||||
|
|
||||||
QDomElement dragDataElem = xmlDoc.documentElement();
|
|
||||||
if ( dragDataElem.tagName() != "LegendModelDragData" )
|
|
||||||
{
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
QDomNodeList nodeList = dragDataElem.childNodes();
|
|
||||||
int nChildNodes = nodeList.size();
|
|
||||||
QDomElement currentElem;
|
|
||||||
QString currentTagName;
|
|
||||||
QgsComposerLegendItem* currentItem = nullptr;
|
|
||||||
|
|
||||||
for ( int i = 0; i < nChildNodes; ++i )
|
|
||||||
{
|
|
||||||
currentElem = nodeList.at( i ).toElement();
|
|
||||||
if ( currentElem.isNull() )
|
|
||||||
{
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
currentTagName = currentElem.tagName();
|
|
||||||
if ( currentTagName == "LayerItem" )
|
|
||||||
{
|
|
||||||
currentItem = new QgsComposerLayerItem();
|
|
||||||
}
|
|
||||||
else if ( currentTagName == "GroupItem" )
|
|
||||||
{
|
|
||||||
currentItem = new QgsComposerGroupItem();
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
currentItem->readXml( currentElem );
|
|
||||||
int index;
|
|
||||||
if ( row < 0 )
|
|
||||||
{
|
|
||||||
index = dropIntoItem->rowCount();
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
index = row + i;
|
|
||||||
}
|
|
||||||
QList<QStandardItem *> itemsList;
|
|
||||||
itemsList << currentItem << new QgsComposerStyleItem( currentItem );
|
|
||||||
dropIntoItem->insertRow( index, itemsList );
|
|
||||||
}
|
|
||||||
emit layersChanged();
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
|
|
||||||
void QgsLegendModel::setAutoUpdate( bool autoUpdate )
|
|
||||||
{
|
|
||||||
if ( mAutoUpdate == autoUpdate ) //prevent multiple signal/slot connections
|
|
||||||
{
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
mAutoUpdate = autoUpdate;
|
|
||||||
if ( autoUpdate )
|
|
||||||
{
|
|
||||||
if ( QgsMapLayerRegistry::instance() )
|
|
||||||
{
|
|
||||||
connect( QgsMapLayerRegistry::instance(), SIGNAL( layerWillBeRemoved( QString ) ), this, SLOT( removeLayer( const QString& ) ) );
|
|
||||||
connect( QgsMapLayerRegistry::instance(), SIGNAL( layerWasAdded( QgsMapLayer* ) ), this, SLOT( addLayer( QgsMapLayer* ) ) );
|
|
||||||
|
|
||||||
for ( int i = 0, n = rowCount(); i < n ; ++i )
|
|
||||||
{
|
|
||||||
QgsComposerLayerItem* lItem = dynamic_cast<QgsComposerLayerItem*>( item( i ) );
|
|
||||||
if ( lItem )
|
|
||||||
{
|
|
||||||
QgsMapLayer* layer = QgsMapLayerRegistry::instance()->mapLayer( lItem->layerId() );
|
|
||||||
if ( layer )
|
|
||||||
{
|
|
||||||
connect( layer, SIGNAL( rendererChanged() ), this, SLOT( updateLayer() ) );
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
if ( QgsMapLayerRegistry::instance() )
|
|
||||||
{
|
|
||||||
disconnect( QgsMapLayerRegistry::instance(), SIGNAL( layerWillBeRemoved( QString ) ), this, SLOT( removeLayer( const QString& ) ) );
|
|
||||||
disconnect( QgsMapLayerRegistry::instance(), SIGNAL( layerWasAdded( QgsMapLayer* ) ), this, SLOT( addLayer( QgsMapLayer* ) ) );
|
|
||||||
|
|
||||||
for ( int i = 0, n = rowCount(); i < n ; ++i )
|
|
||||||
{
|
|
||||||
QgsComposerLayerItem* lItem = dynamic_cast<QgsComposerLayerItem*>( item( i ) );
|
|
||||||
if ( lItem )
|
|
||||||
{
|
|
||||||
QgsMapLayer* layer = QgsMapLayerRegistry::instance()->mapLayer( lItem->layerId() );
|
|
||||||
if ( layer )
|
|
||||||
{
|
|
||||||
disconnect( layer, SIGNAL( rendererChanged() ), this, SLOT( updateLayer() ) );
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@ -1,140 +0,0 @@
|
|||||||
/***************************************************************************
|
|
||||||
qgslegendmodel.h - description
|
|
||||||
-----------------
|
|
||||||
begin : June 2008
|
|
||||||
copyright : (C) 2008 by Marco Hugentobler
|
|
||||||
email : marco dot hugentobler at karto dot baug dot ethz dot ch
|
|
||||||
***************************************************************************/
|
|
||||||
|
|
||||||
/***************************************************************************
|
|
||||||
* *
|
|
||||||
* This program is free software; you can redistribute it and/or modify *
|
|
||||||
* it under the terms of the GNU General Public License as published by *
|
|
||||||
* the Free Software Foundation; either version 2 of the License, or *
|
|
||||||
* (at your option) any later version. *
|
|
||||||
* *
|
|
||||||
***************************************************************************/
|
|
||||||
|
|
||||||
#ifndef QGSLEGENDMODEL_H
|
|
||||||
#define QGSLEGENDMODEL_H
|
|
||||||
|
|
||||||
#include <QStandardItemModel>
|
|
||||||
#include <QStringList>
|
|
||||||
#include <QSet>
|
|
||||||
|
|
||||||
class QDomDocument;
|
|
||||||
class QDomElement;
|
|
||||||
class QgsLayerTreeGroup;
|
|
||||||
class QgsMapLayer;
|
|
||||||
class QgsSymbol;
|
|
||||||
class QgsVectorLayer;
|
|
||||||
|
|
||||||
//Information about relationship between groups and layers
|
|
||||||
//key: group name (or null strings for single layers without groups)
|
|
||||||
//value: containter with layer ids contained in the group
|
|
||||||
typedef QPair< QString, QList<QString> > GroupLayerInfo;
|
|
||||||
|
|
||||||
/** \ingroup core
|
|
||||||
* A model that provides group, layer and classification items.
|
|
||||||
*/
|
|
||||||
class CORE_EXPORT QgsLegendModel : public QStandardItemModel
|
|
||||||
{
|
|
||||||
Q_OBJECT
|
|
||||||
|
|
||||||
public:
|
|
||||||
|
|
||||||
enum ItemType
|
|
||||||
{
|
|
||||||
GroupItem = 0,
|
|
||||||
LayerItem,
|
|
||||||
ClassificationItem
|
|
||||||
};
|
|
||||||
|
|
||||||
QgsLegendModel();
|
|
||||||
~QgsLegendModel();
|
|
||||||
|
|
||||||
/** Set layers and groups from a layer tree
|
|
||||||
* @note added in 2.6
|
|
||||||
*/
|
|
||||||
void setLayerSetAndGroups( QgsLayerTreeGroup* rootGroup );
|
|
||||||
/** Sets layer set and groups
|
|
||||||
* @deprecated in 2.6
|
|
||||||
*/
|
|
||||||
Q_DECL_DEPRECATED void setLayerSetAndGroups( const QStringList& layerIds, const QList< GroupLayerInfo >& groupInfo );
|
|
||||||
void setLayerSet( const QStringList& layerIds, double scaleDenominator = -1, const QString& rule = "" );
|
|
||||||
/** Adds a group
|
|
||||||
@param text name of group (defaults to translation of "Group")
|
|
||||||
@param position insertion position (toplevel position (or -1 if it should be placed at the end of the legend).
|
|
||||||
@param parentItem parent item
|
|
||||||
@returns a pointer to the added group
|
|
||||||
*/
|
|
||||||
QStandardItem *addGroup( QString text = QString::null, int position = -1, QStandardItem* parentItem = nullptr );
|
|
||||||
|
|
||||||
/** Tries to automatically update a model entry (e.g. a whole layer or only a single item)*/
|
|
||||||
void updateItem( QStandardItem* item );
|
|
||||||
/** Updates the whole symbology of a layer*/
|
|
||||||
void updateLayer( QStandardItem* layerItem );
|
|
||||||
/** Tries to update a single classification item*/
|
|
||||||
void updateVectorV2ClassificationItem( QStandardItem* classificationItem, QgsSymbol* symbol, const QString& itemText )
|
|
||||||
{ Q_UNUSED( classificationItem ); Q_UNUSED( symbol ); Q_UNUSED( itemText ); }
|
|
||||||
void updateRasterClassificationItem( QStandardItem* classificationItem )
|
|
||||||
{ Q_UNUSED( classificationItem ); }
|
|
||||||
|
|
||||||
/** Update single item text using item userText and other properties like showFeatureCount */
|
|
||||||
void updateItemText( QStandardItem* item );
|
|
||||||
|
|
||||||
|
|
||||||
bool writeXml( QDomElement& composerLegendElem, QDomDocument& doc ) const;
|
|
||||||
bool readXml( const QDomElement& legendModelElem, const QDomDocument& doc );
|
|
||||||
|
|
||||||
Qt::DropActions supportedDropActions() const override;
|
|
||||||
Qt::ItemFlags flags( const QModelIndex &index ) const override;
|
|
||||||
|
|
||||||
/** Implemented to support drag operations*/
|
|
||||||
virtual bool removeRows( int row, int count, const QModelIndex & parent = QModelIndex() ) override;
|
|
||||||
|
|
||||||
/** For the drag operation*/
|
|
||||||
QMimeData* mimeData( const QModelIndexList &indexes ) const override;
|
|
||||||
QStringList mimeTypes() const override;
|
|
||||||
|
|
||||||
/** Implements the drop operation*/
|
|
||||||
bool dropMimeData( const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent ) override;
|
|
||||||
|
|
||||||
void setAutoUpdate( bool autoUpdate );
|
|
||||||
bool autoUpdate() { return mAutoUpdate; }
|
|
||||||
|
|
||||||
public slots:
|
|
||||||
void removeLayer( const QString& layerId );
|
|
||||||
void addLayer( QgsMapLayer* theMapLayer, double scaleDenominator = -1, const QString& rule = "", QStandardItem* parentItem = nullptr );
|
|
||||||
|
|
||||||
private slots:
|
|
||||||
void updateLayer();
|
|
||||||
|
|
||||||
signals:
|
|
||||||
void layersChanged();
|
|
||||||
|
|
||||||
private:
|
|
||||||
/** Adds classification items of vector layers using new symbology*/
|
|
||||||
int addVectorLayerItemsV2( QStandardItem* layerItem, QgsVectorLayer* vlayer, double scaleDenominator = -1, const QString& rule = "" );
|
|
||||||
|
|
||||||
/** Adds item of raster layer
|
|
||||||
@return 0 in case of success*/
|
|
||||||
int addRasterLayerItems( QStandardItem* layerItem, QgsMapLayer* rlayer );
|
|
||||||
|
|
||||||
void updateLayerItemText( QStandardItem* layerItem );
|
|
||||||
void updateSymbolV2ItemText( QStandardItem* symbolItem );
|
|
||||||
void updateRasterSymbolItemText( QStandardItem* symbolItem );
|
|
||||||
|
|
||||||
void addGroupFromLayerTree( QgsLayerTreeGroup* parentGroup, QStandardItem* parentItem );
|
|
||||||
|
|
||||||
protected:
|
|
||||||
QStringList mLayerIds;
|
|
||||||
/** True if this application has toplevel windows (normally true). If this is false, this means that the application
|
|
||||||
might not have a running x-server on unix systems and so QPixmap and QIcon cannot be used*/
|
|
||||||
bool mHasTopLevelWindow;
|
|
||||||
|
|
||||||
/** True if the legend is auto updated when layers are added or removed from the map canvas */
|
|
||||||
bool mAutoUpdate;
|
|
||||||
};
|
|
||||||
|
|
||||||
#endif
|
|
||||||
@ -19,7 +19,6 @@
|
|||||||
#include "qgslayertree.h"
|
#include "qgslayertree.h"
|
||||||
#include "qgslayertreemodel.h"
|
#include "qgslayertreemodel.h"
|
||||||
#include "qgslayertreemodellegendnode.h"
|
#include "qgslayertreemodellegendnode.h"
|
||||||
#include "qgslegendmodel.h"
|
|
||||||
#include "qgsmaplayerlegend.h"
|
#include "qgsmaplayerlegend.h"
|
||||||
#include "qgsmaplayerregistry.h"
|
#include "qgsmaplayerregistry.h"
|
||||||
#include "qgssymbol.h"
|
#include "qgssymbol.h"
|
||||||
|
|||||||
@ -33,7 +33,6 @@
|
|||||||
#include "qgsvectorlayer.h"
|
#include "qgsvectorlayer.h"
|
||||||
#include "qgsmapserviceexception.h"
|
#include "qgsmapserviceexception.h"
|
||||||
#include "qgssymbol.h"
|
#include "qgssymbol.h"
|
||||||
#include "qgslegendmodel.h"
|
|
||||||
#include "qgscomposerlegenditem.h"
|
#include "qgscomposerlegenditem.h"
|
||||||
#include "qgsrequesthandler.h"
|
#include "qgsrequesthandler.h"
|
||||||
#include "qgsogcutils.h"
|
#include "qgsogcutils.h"
|
||||||
|
|||||||
@ -24,7 +24,6 @@
|
|||||||
#include "qgslayertreeutils.h"
|
#include "qgslayertreeutils.h"
|
||||||
#include "qgslayertreemodel.h"
|
#include "qgslayertreemodel.h"
|
||||||
#include "qgslayertreemodellegendnode.h"
|
#include "qgslayertreemodellegendnode.h"
|
||||||
#include "qgslegendmodel.h"
|
|
||||||
#include "qgsmaplayerlegend.h"
|
#include "qgsmaplayerlegend.h"
|
||||||
#include "qgsmaplayerregistry.h"
|
#include "qgsmaplayerregistry.h"
|
||||||
#include "qgslegendrenderer.h"
|
#include "qgslegendrenderer.h"
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user