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elpasoelpaso
authoredDec 7, 2018
Merge pull request #8612 from elpaso/vector-legend-toggle-items
Add a toggle action to vector layer legend items [feature]
·
ltr-3_40final-3_6_0
2 parents 733d4ed + 4654790 commit 16922a3

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+212
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‎images/images.qrc

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@@ -277,6 +277,7 @@
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<file>themes/default/mActionHelpContents.svg</file>
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<file>themes/default/mActionHelpSponsors.png</file>
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<file>themes/default/mActionHideAllLayers.svg</file>
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<file>themes/default/mActionToggleAllLayers.svg</file>
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<file>themes/default/mActionHideSelectedLayers.svg</file>
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<file>themes/default/mActionHideDeselectedLayers.svg</file>
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<file>themes/default/mActionHistory.svg</file>

‎images/themes/default/mActionToggleAllLayers.svg

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‎python/core/auto_generated/layertree/qgslayertreemodellegendnode.sip.in

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@@ -269,6 +269,8 @@ Checks all items belonging to the same layer as this node.
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.. seealso:: :py:func:`uncheckAllItems`
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.. seealso:: :py:func:`toggleAllItems`
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.. versionadded:: 2.14
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%End
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.. seealso:: :py:func:`checkAllItems`
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.. seealso:: :py:func:`toggleAllItems`
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.. versionadded:: 2.14
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%End
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void toggleAllItems();
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%Docstring
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Toggle all items belonging to the same layer as this node.
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.. seealso:: :py:func:`checkAllItems`
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.. seealso:: :py:func:`uncheckAllItems`
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.. versionadded:: 3.6
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%End
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};

‎src/app/qgsapplayertreeviewmenuprovider.cpp

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@@ -476,6 +476,8 @@ QMenu *QgsAppLayerTreeViewMenuProvider::createContextMenu()
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// symbology item
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if ( symbolNode->flags() & Qt::ItemIsUserCheckable )
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{
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menu->addAction( QgsApplication::getThemeIcon( QStringLiteral( "/mActionToggleAllLayers.svg" ) ), tr( "&Toggle Items" ),
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symbolNode, &QgsSymbolLegendNode::toggleAllItems );
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menu->addAction( QgsApplication::getThemeIcon( QStringLiteral( "/mActionShowAllLayers.svg" ) ), tr( "&Show All Items" ),
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symbolNode, &QgsSymbolLegendNode::checkAllItems );
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menu->addAction( QgsApplication::getThemeIcon( QStringLiteral( "/mActionHideAllLayers.svg" ) ), tr( "&Hide All Items" ),

‎src/core/layertree/qgslayertreemodellegendnode.cpp

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@@ -227,6 +227,22 @@ void QgsSymbolLegendNode::uncheckAllItems()
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checkAll( false );
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}
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void QgsSymbolLegendNode::toggleAllItems()
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{
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QgsVectorLayer *vlayer = qobject_cast<QgsVectorLayer *>( mLayerNode->layer() );
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if ( !vlayer || !vlayer->renderer() )
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return;
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const QgsLegendSymbolList symbolList = vlayer->renderer()->legendSymbolItems();
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for ( const auto &item : symbolList )
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{
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vlayer->renderer()->checkLegendSymbolItem( item.ruleKey(), ! vlayer->renderer()->legendSymbolItemChecked( item.ruleKey() ) );
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}
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emit dataChanged();
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vlayer->triggerRepaint();
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}
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QgsRenderContext *QgsLayerTreeModelLegendNode::createTemporaryRenderContext() const
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{
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double scale = 0.0;
@@ -239,7 +255,7 @@ QgsRenderContext *QgsLayerTreeModelLegendNode::createTemporaryRenderContext() co
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return nullptr;
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// setup temporary render context
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std::unique_ptr<QgsRenderContext> context( new QgsRenderContext );
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std::unique_ptr<QgsRenderContext> context = qgis::make_unique<QgsRenderContext>( );
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context->setScaleFactor( dpi / 25.4 );
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context->setRendererScale( scale );
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context->setMapToPixel( QgsMapToPixel( mupp ) );
@@ -252,8 +268,8 @@ void QgsSymbolLegendNode::checkAll( bool state )
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if ( !vlayer || !vlayer->renderer() )
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return;
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QgsLegendSymbolList symbolList = vlayer->renderer()->legendSymbolItems();
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Q_FOREACH ( const QgsLegendSymbolItem &item, symbolList )
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const QgsLegendSymbolList symbolList = vlayer->renderer()->legendSymbolItems();
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for ( const auto &item : symbolList )
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{
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vlayer->renderer()->checkLegendSymbolItem( item.ruleKey(), state );
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}

‎src/core/layertree/qgslayertreemodellegendnode.h

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@@ -251,17 +251,27 @@ class CORE_EXPORT QgsSymbolLegendNode : public QgsLayerTreeModelLegendNode
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/**
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* Checks all items belonging to the same layer as this node.
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* \see uncheckAllItems()
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* \see toggleAllItems()
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* \since QGIS 2.14
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*/
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void checkAllItems();
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/**
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* Unchecks all items belonging to the same layer as this node.
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* \see checkAllItems()
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* \see toggleAllItems()
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* \since QGIS 2.14
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*/
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void uncheckAllItems();
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/**
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* Toggle all items belonging to the same layer as this node.
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* \see checkAllItems()
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* \see uncheckAllItems()
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* \since QGIS 3.6
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*/
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void toggleAllItems();
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private:
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void updateLabel();
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