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enable/disable layer dependant actions:

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- select by expression requires active layer
- labeling requires and active vector layer
This commit is contained in:
Juergen E. Fischer 2013-05-21 22:11:54 +02:00
parent 6b46364b0f
commit 595e12cde5
1 changed files with 20 additions and 18 deletions
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38
src/app/qgisapp.cpp
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@ -412,14 +412,14 @@ void QgisApp::validateSrs( QgsCoordinateReferenceSystem &srs )
// XXX TODO: Change project to store selected CS as 'projectCRS' not 'selectedWkt' // XXX TODO: Change project to store selected CS as 'projectCRS' not 'selectedWkt'
authid = QgisApp::instance()->mapCanvas()->mapRenderer()->destinationCrs().authid(); authid = QgisApp::instance()->mapCanvas()->mapRenderer()->destinationCrs().authid();
QgsDebugMsg( "Layer srs set from project: " + authid ); QgsDebugMsg( "Layer srs set from project: " + authid );
QgisApp::instance()->statusBar()->showMessage( QObject::tr( "CRS undefined - defaulting to project CRS" ) ); QgisApp::instance()->statusBar()->showMessage( tr( "CRS undefined - defaulting to project CRS" ) );
srs.createFromOgcWmsCrs( authid ); srs.createFromOgcWmsCrs( authid );
} }
else ///Projections/defaultBehaviour==useGlobal else ///Projections/defaultBehaviour==useGlobal
{ {
authid = mySettings.value( "/Projections/layerDefaultCrs", GEO_EPSG_CRS_AUTHID ).toString(); authid = mySettings.value( "/Projections/layerDefaultCrs", GEO_EPSG_CRS_AUTHID ).toString();
srs.createFromOgcWmsCrs( authid ); srs.createFromOgcWmsCrs( authid );
QgisApp::instance()->statusBar()->showMessage( QObject::tr( "CRS undefined - defaulting to default CRS: %1" ).arg( authid ) ); QgisApp::instance()->statusBar()->showMessage( tr( "CRS undefined - defaulting to default CRS: %1" ).arg( authid ) );
} }
} }
@ -4225,8 +4225,8 @@ void QgisApp::modifyAnnotation()
void QgisApp::labeling() void QgisApp::labeling()
{ {
QgsMapLayer* layer = activeLayer(); QgsVectorLayer *vlayer = qobject_cast<QgsVectorLayer*>( activeLayer() );
if ( layer == NULL || layer->type() != QgsMapLayer::VectorLayer ) if ( !vlayer )
{ {
messageBar()->pushMessage( tr( "Labeling Options" ), messageBar()->pushMessage( tr( "Labeling Options" ),
tr( "Please select a vector layer first" ), tr( "Please select a vector layer first" ),
@ -4235,7 +4235,6 @@ void QgisApp::labeling()
return; return;
} }
QgsVectorLayer* vlayer = dynamic_cast<QgsVectorLayer*>( layer );
QDialog *dlg = new QDialog( this ); QDialog *dlg = new QDialog( this );
dlg->setWindowTitle( tr( "Layer labeling settings" ) ); dlg->setWindowTitle( tr( "Layer labeling settings" ) );
@ -4274,7 +4273,7 @@ void QgisApp::labeling()
delete dlg; delete dlg;
activateDeactivateLayerRelatedActions( layer ); activateDeactivateLayerRelatedActions( vlayer );
} }
void QgisApp::fieldCalculator() void QgisApp::fieldCalculator()
@ -4339,7 +4338,7 @@ void QgisApp::saveAsRasterFile()
QProgressDialog pd( 0, tr( "Abort..." ), 0, 0 ); QProgressDialog pd( 0, tr( "Abort..." ), 0, 0 );
// Show the dialo immediately because cloning pipe can take some time (WCS) // Show the dialo immediately because cloning pipe can take some time (WCS)
pd.setLabelText( QObject::tr( "Reading raster" ) ); pd.setLabelText( tr( "Reading raster" ) );
pd.show(); pd.show();
pd.setWindowModality( Qt::WindowModal ); pd.setWindowModality( Qt::WindowModal );
@ -5281,22 +5280,20 @@ void QgisApp::deselectAll()
void QgisApp::selectByExpression() void QgisApp::selectByExpression()
{ {
QgsVectorLayer* vlayer = NULL; QgsVectorLayer *vlayer = qobject_cast<QgsVectorLayer *>( mMapCanvas->currentLayer() );
if ( !mMapCanvas->currentLayer() if( !vlayer )
|| NULL == ( vlayer = qobject_cast<QgsVectorLayer *>( mMapCanvas->currentLayer() ) ) )
{ {
messageBar()->pushMessage( messageBar()->pushMessage(
QObject::tr( "No active vector layer" ), tr( "No active vector layer" ),
QObject::tr( "To select features, choose a vector layer in the legend" ), tr( "To select features, choose a vector layer in the legend" ),
QgsMessageBar::INFO, QgsMessageBar::INFO,
messageTimeout() ); messageTimeout() );
return;
} }
else
{ QgsExpressionSelectionDialog* dlg = new QgsExpressionSelectionDialog( vlayer );
QgsExpressionSelectionDialog* dlg = new QgsExpressionSelectionDialog( vlayer ); dlg->setAttribute( Qt::WA_DeleteOnClose );
dlg->setAttribute( Qt::WA_DeleteOnClose ); dlg->show();
dlg->show();
}
} }
void QgisApp::addRing() void QgisApp::addRing()
@ -7880,6 +7877,8 @@ void QgisApp::activateDeactivateLayerRelatedActions( QgsMapLayer* layer )
mActionSelectFreehand->setEnabled( false ); mActionSelectFreehand->setEnabled( false );
mActionSelectRadius->setEnabled( false ); mActionSelectRadius->setEnabled( false );
mActionIdentify->setEnabled( QSettings().value( "/Map/identifyMode", 0 ).toInt() != 0 ); mActionIdentify->setEnabled( QSettings().value( "/Map/identifyMode", 0 ).toInt() != 0 );
mActionSelectByExpression->setEnabled( false );
mActionLabeling->setEnabled( false );
mActionOpenTable->setEnabled( false ); mActionOpenTable->setEnabled( false );
mActionOpenFieldCalc->setEnabled( false ); mActionOpenFieldCalc->setEnabled( false );
mActionToggleEditing->setEnabled( false ); mActionToggleEditing->setEnabled( false );
@ -7957,6 +7956,7 @@ void QgisApp::activateDeactivateLayerRelatedActions( QgsMapLayer* layer )
mActionLocalHistogramStretch->setEnabled( false ); mActionLocalHistogramStretch->setEnabled( false );
mActionFullHistogramStretch->setEnabled( false ); mActionFullHistogramStretch->setEnabled( false );
mActionZoomActualSize->setEnabled( false ); mActionZoomActualSize->setEnabled( false );
mActionLabeling->setEnabled( true );
mActionSelect->setEnabled( true ); mActionSelect->setEnabled( true );
mActionSelectRectangle->setEnabled( true ); mActionSelectRectangle->setEnabled( true );
@ -7964,6 +7964,7 @@ void QgisApp::activateDeactivateLayerRelatedActions( QgsMapLayer* layer )
mActionSelectFreehand->setEnabled( true ); mActionSelectFreehand->setEnabled( true );
mActionSelectRadius->setEnabled( true ); mActionSelectRadius->setEnabled( true );
mActionIdentify->setEnabled( true ); mActionIdentify->setEnabled( true );
mActionSelectByExpression->setEnabled( true );
mActionOpenTable->setEnabled( true ); mActionOpenTable->setEnabled( true );
mActionLayerSaveAs->setEnabled( true ); mActionLayerSaveAs->setEnabled( true );
mActionLayerSelectionSaveAs->setEnabled( true ); mActionLayerSelectionSaveAs->setEnabled( true );
@ -8140,6 +8141,7 @@ void QgisApp::activateDeactivateLayerRelatedActions( QgsMapLayer* layer )
mActionSimplifyFeature->setEnabled( false ); mActionSimplifyFeature->setEnabled( false );
mActionReshapeFeatures->setEnabled( false ); mActionReshapeFeatures->setEnabled( false );
mActionSplitFeatures->setEnabled( false ); mActionSplitFeatures->setEnabled( false );
mActionLabeling->setEnabled( false );
//NOTE: This check does not really add any protection, as it is called on load not on layer select/activate //NOTE: This check does not really add any protection, as it is called on load not on layer select/activate
//If you load a layer with a provider and idenitfy ability then load another without, the tool would be disabled for both //If you load a layer with a provider and idenitfy ability then load another without, the tool would be disabled for both