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dakcartodakcarto
committedNov 2, 2012
[FEATURE] Duplicate map layer(s)
- Action available in Layer menu and legend contextual menu - Layer style copy/pasted to duplicate - Memory and plugin layers skipped - Add sip binding to action in app interface
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‎python/gui/qgisinterface.sip

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Original file line numberDiff line numberDiff line change
@@ -364,6 +364,8 @@ class QgisInterface : QObject
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virtual QAction *actionLayerSaveAs() = 0;
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virtual QAction *actionLayerSelectionSaveAs() = 0;
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virtual QAction *actionRemoveLayer() = 0;
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/** @note added in 2.0 */
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virtual QAction *actionDuplicateLayer() = 0;
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virtual QAction *actionLayerProperties() = 0;
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virtual QAction *actionLayerSeparator2() = 0 /Deprecated/;
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virtual QAction *actionAddToOverview() = 0;

‎src/app/legend/qgslegendlayer.cpp

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@@ -430,6 +430,9 @@ void QgsLegendLayer::addToPopupMenu( QMenu& theMenu )
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// remove from canvas
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theMenu.addAction( QgsApplication::getThemeIcon( "/mActionRemoveLayer.png" ), tr( "&Remove" ), QgisApp::instance(), SLOT( removeLayer() ) );
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// duplicate layer
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theMenu.addAction( QgsApplication::getThemeIcon( "/mActionAddMap.png" ), tr( "&Duplicate" ), QgisApp::instance(), SLOT( duplicateLayers() ) );
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// set layer crs
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theMenu.addAction( QgsApplication::getThemeIcon( "/mActionSetCRS.png" ), tr( "&Set Layer CRS" ), QgisApp::instance(), SLOT( setLayerCRS() ) );
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‎src/app/qgisapp.cpp

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@@ -961,6 +961,7 @@ void QgisApp::createActions()
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connect( mActionLayerSaveAs, SIGNAL( triggered() ), this, SLOT( saveAsFile() ) );
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connect( mActionLayerSelectionSaveAs, SIGNAL( triggered() ), this, SLOT( saveSelectionAsVectorFile() ) );
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connect( mActionRemoveLayer, SIGNAL( triggered() ), this, SLOT( removeLayer() ) );
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connect( mActionDuplicateLayer, SIGNAL( triggered() ), this, SLOT( duplicateLayers() ) );
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connect( mActionSetLayerCRS, SIGNAL( triggered() ), this, SLOT( setLayerCRS() ) );
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connect( mActionSetProjectCRSFromLayer, SIGNAL( triggered() ), this, SLOT( setProjectCRSFromLayer() ) );
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connect( mActionLayerProperties, SIGNAL( triggered() ), this, SLOT( layerProperties() ) );
@@ -1630,6 +1631,7 @@ void QgisApp::setTheme( QString theThemeName )
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mActionAddMssqlLayer->setIcon( QgsApplication::getThemeIcon( "/mActionAddMssqlLayer.png" ) );
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#endif
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mActionRemoveLayer->setIcon( QgsApplication::getThemeIcon( "/mActionRemoveLayer.png" ) );
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mActionDuplicateLayer->setIcon( QgsApplication::getThemeIcon( "/mActionAddMap.png" ) );
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mActionSetLayerCRS->setIcon( QgsApplication::getThemeIcon( "/mActionSetLayerCRS.png" ) );
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mActionSetProjectCRSFromLayer->setIcon( QgsApplication::getThemeIcon( "/mActionSetProjectCRSFromLayer.png" ) );
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mActionNewVectorLayer->setIcon( QgsApplication::getThemeIcon( "/mActionNewVectorLayer.png" ) );
@@ -5341,6 +5343,77 @@ void QgisApp::removeLayer()
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mMapCanvas->refresh();
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}
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void QgisApp::duplicateLayers( QList<QgsMapLayer *> lyrList )
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{
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if ( mMapCanvas && mMapCanvas->isDrawing() )
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{
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return;
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}
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5353+
if ( !mMapLegend )
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{
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return;
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}
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QList<QgsMapLayer *> selectedLyrs = lyrList.empty() ? mMapLegend->selectedLayers() : lyrList;
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if ( selectedLyrs.empty() )
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{
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return;
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}
5363+
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mMapCanvas->freeze();
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QgsMapLayer *dupLayer;
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foreach ( QgsMapLayer * selectedLyr, selectedLyrs )
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{
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dupLayer = 0;
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QString layerDupName = selectedLyr->name() + " " + tr( "copy" );
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// duplicate the layer's basic parameters
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QgsVectorLayer *vlayer = qobject_cast<QgsVectorLayer*>( selectedLyr );
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// TODO: check for other layer types that won't duplicate correctly
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// currently memory and plugin layers are skipped
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if ( vlayer && vlayer->storageType() != "Memory storage" )
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{
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dupLayer = new QgsVectorLayer( vlayer->source(), layerDupName, vlayer->providerType() );
5379+
}
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5381+
if ( !dupLayer )
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{
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QgsRasterLayer *rlayer = qobject_cast<QgsRasterLayer*>( selectedLyr );
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if ( rlayer )
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{
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dupLayer = new QgsRasterLayer( rlayer->source(), layerDupName );
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}
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}
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if ( dupLayer && !dupLayer->isValid() )
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{
5392+
QgsDebugMsg( "Duplicated layer was invalid" );
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continue;
5394+
}
5395+
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if ( !dupLayer )
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{
5398+
QMessageBox::information( this,
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tr( "Unsupported Layer" ),
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tr( "%1\n\nDuplication of layer type is unsupported." ).arg( selectedLyr->name() ) );
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continue;
5402+
}
5403+
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// add layer to project and layer registry
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addMapLayer( dupLayer );
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5407+
// duplicate the layer style
5408+
copyStyle( selectedLyr );
5409+
pasteStyle( dupLayer );
5410+
}
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dupLayer = 0;
5413+
mMapCanvas->freeze( false );
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mMapCanvas->refresh();
5415+
}
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53445417
void QgisApp::setLayerCRS()
53455418
{
53465419
if ( mMapCanvas && mMapCanvas->isDrawing() )
@@ -6833,6 +6906,7 @@ void QgisApp::selectionChanged( QgsMapLayer *layer )
68336906
void QgisApp::legendLayerSelectionChanged( void )
68346907
{
68356908
mActionRemoveLayer->setEnabled( mMapLegend && mMapLegend->selectedLayers().size() > 0 );
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mActionDuplicateLayer->setEnabled( mMapLegend && mMapLegend->selectedLayers().size() > 0 );
68366910
mActionSetLayerCRS->setEnabled( mMapLegend && mMapLegend->selectedLayers().size() > 0 );
68376911
mActionSetProjectCRSFromLayer->setEnabled( mMapLegend && mMapLegend->selectedLayers().size() == 1 );
68386912
}

‎src/app/qgisapp.h

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Original file line numberDiff line numberDiff line change
@@ -290,6 +290,8 @@ class QgisApp : public QMainWindow, private Ui::MainWindow
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QAction *actionLayerSaveAs() { return mActionLayerSaveAs; }
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QAction *actionLayerSelectionSaveAs() { return mActionLayerSelectionSaveAs; }
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QAction *actionRemoveLayer() { return mActionRemoveLayer; }
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/** @note added in 2.0 */
294+
QAction *actionDuplicateLayer() { return mActionDuplicateLayer; }
293295
QAction *actionSetLayerCRS() { return mActionSetLayerCRS; }
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QAction *actionSetProjectCRSFromLayer() { return mActionSetProjectCRSFromLayer; }
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QAction *actionLayerProperties() { return mActionLayerProperties; }
@@ -543,6 +545,9 @@ class QgisApp : public QMainWindow, private Ui::MainWindow
543545
void userCenter();
544546
//! Remove a layer from the map and legend
545547
void removeLayer();
548+
/** Duplicate map layer(s) in legend
549+
* @note added in 2.0 */
550+
void duplicateLayers( const QList<QgsMapLayer *> lyrList = QList<QgsMapLayer *>() );
546551
//! Set CRS of a layer
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void setLayerCRS();
548553
//! Assign layer CRS to project

‎src/app/qgisappinterface.cpp

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@@ -465,6 +465,7 @@ QAction *QgisAppInterface::actionToggleEditing() { return qgis->actionToggleEdit
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QAction *QgisAppInterface::actionLayerSaveAs() { return qgis->actionLayerSaveAs(); }
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QAction *QgisAppInterface::actionLayerSelectionSaveAs() { return qgis->actionLayerSelectionSaveAs(); }
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QAction *QgisAppInterface::actionRemoveLayer() { return qgis->actionRemoveLayer(); }
468+
QAction *QgisAppInterface::actionDuplicateLayer() { return qgis->actionDuplicateLayer(); }
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QAction *QgisAppInterface::actionLayerProperties() { return qgis->actionLayerProperties(); }
469470
QAction *QgisAppInterface::actionLayerSeparator2() { return 0; }
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QAction *QgisAppInterface::actionAddToOverview() { return qgis->actionAddToOverview(); }

‎src/app/qgisappinterface.h

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Original file line numberDiff line numberDiff line change
@@ -313,6 +313,8 @@ class QgisAppInterface : public QgisInterface
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virtual QAction *actionLayerSaveAs();
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virtual QAction *actionLayerSelectionSaveAs();
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virtual QAction *actionRemoveLayer();
316+
/** @note added in 2.0 */
317+
virtual QAction *actionDuplicateLayer();
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virtual QAction *actionLayerProperties();
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virtual QAction *actionLayerSeparator2();
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virtual QAction *actionAddToOverview();

‎src/gui/qgisinterface.h

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Original file line numberDiff line numberDiff line change
@@ -466,6 +466,8 @@ class GUI_EXPORT QgisInterface : public QObject
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virtual QAction *actionLayerSaveAs() = 0;
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virtual QAction *actionLayerSelectionSaveAs() = 0;
468468
virtual QAction *actionRemoveLayer() = 0;
469+
/** @note added in 2.0 */
470+
virtual QAction *actionDuplicateLayer() = 0;
469471
virtual QAction *actionLayerProperties() = 0;
470472
#ifndef Q_MOC_RUN
471473
Q_DECL_DEPRECATED

‎src/ui/qgisapp.ui

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@@ -168,6 +168,7 @@
168168
<addaction name="mActionLayerSaveAs"/>
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<addaction name="mActionLayerSelectionSaveAs"/>
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<addaction name="mActionRemoveLayer"/>
171+
<addaction name="mActionDuplicateLayer"/>
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<addaction name="mActionSetLayerCRS"/>
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<addaction name="mActionSetProjectCRSFromLayer"/>
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<addaction name="mActionLayerProperties"/>
@@ -1821,6 +1822,18 @@ Acts on currently active editable layer</string>
18211822
<string>Html Annotation</string>
18221823
</property>
18231824
</action>
1825+
<action name="mActionDuplicateLayer">
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<property name="icon">
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<iconset resource="../../images/images.qrc">
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<normaloff>:/images/themes/default/mActionAddMap.png</normaloff>:/images/themes/default/mActionAddMap.png</iconset>
1829+
</property>
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<property name="text">
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<string>Duplicate Layer(s)</string>
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</property>
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<property name="toolTip">
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<string>Duplicate Layer(s)</string>
1835+
</property>
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</action>
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</widget>
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<resources>
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<include location="../../images/images.qrc"/>

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