void QgsMapToolAddPart::cadCanvasReleaseEvent( QgsMapMouseEvent *e )
{
//check if we operate on a vector layer
QgsVectorLayer *vlayer = currentVectorLayer();
if ( !vlayer )
{
notifyNotVectorLayer();
return;
}
if ( !vlayer->isEditable() )
{
notifyNotEditableLayer();
return;
}
bool isGeometryEmpty = false;
QgsFeatureList selectedFeatures = vlayer->selectedFeatures();
if ( !selectedFeatures.isEmpty() && selectedFeatures.at( 0 ).geometry().isNull() )
isGeometryEmpty = true;
if ( !checkSelection() )
{
stopCapturing();
return;
}
int errorCode = 0;
switch ( mode() )
{
case CapturePoint:
{
QgsPoint layerPoint;
QgsPointXY mapPoint = e->mapPoint();
if ( nextPoint( QgsPoint( mapPoint ), layerPoint ) != 0 )
{
QgsDebugMsg( "nextPoint failed" );
return;
}
vlayer->beginEditCommand( tr( "Part added" ) );
errorCode = vlayer->addPart( QgsPointSequence() << layerPoint );
}
break;
case CaptureLine:
case CapturePolygon:
{
//add point to list and to rubber band
if ( e->button() == Qt::LeftButton )
{
int error = addVertex( e->mapPoint(), e->mapPointMatch() );
if ( error == 1 )
{
QgsDebugMsg( "current layer is not a vector layer" );
return;
}
else if ( error == 2 )
{
//problem with coordinate transformation
emit messageEmitted( tr( "Coordinate transform error. Cannot transform the point to the layers coordinate system" ), Qgis::Warning );
return;
}
startCapturing();
return;
}
else if ( e->button() != Qt::RightButton )
{
deleteTempRubberBand();
return;
}
if ( !isCapturing() )
return;
if ( mode() == CapturePolygon )
{
closePolygon();
}
//does compoundcurve contain circular strings?
//does provider support circular strings?
bool hasCurvedSegments = captureCurve()->hasCurvedSegments();
bool providerSupportsCurvedSegments = vlayer->dataProvider()->capabilities() & QgsVectorDataProvider::CircularGeometries;
QgsCurve *curveToAdd = nullptr;
if ( hasCurvedSegments && providerSupportsCurvedSegments )
{
curveToAdd = captureCurve()->clone();
}
else
{
curveToAdd = captureCurve()->curveToLine();
}
vlayer->beginEditCommand( tr( "Part added" ) );
if ( mode() == CapturePolygon )
{
//avoid intersections
QgsCurvePolygon *cp = new QgsCurvePolygon();
cp->setExteriorRing( curveToAdd );
QgsGeometry *geom = new QgsGeometry( cp );
geom->avoidIntersections( QgsProject::instance()->avoidIntersectionsLayers() );
const QgsCurvePolygon *cpGeom = qgsgeometry_cast<const QgsCurvePolygon *>( geom->constGet() );
if ( !cpGeom )
{
stopCapturing();
delete geom;
vlayer->destroyEditCommand();
return;
}
errorCode = vlayer->addPart( cpGeom->exteriorRing()->clone() );
delete geom;
}
else
{
errorCode = vlayer->addPart( curveToAdd );
}
stopCapturing();
}
break;
default:
Q_ASSERT( !"invalid capture mode" );
errorCode = 6;
break;
}
QString errorMessage;
switch ( errorCode )
{
case 0:
{
// remove previous message
emit messageDiscarded();
//add points to other features to keep topology up-to-date
bool topologicalEditing = QgsProject::instance()->topologicalEditing();
if ( topologicalEditing )
{
addTopologicalPoints( points() );
}
vlayer->endEditCommand();
vlayer->triggerRepaint();
if ( ( !isGeometryEmpty ) && QgsWkbTypes::isSingleType( vlayer->wkbType() ) )
{
emit messageEmitted( tr( "Add part: Feature geom is single part and you've added more than one" ), Qgis::Warning );
}
return;
}
case 1:
errorMessage = tr( "Selected feature is not multi part." );
break;
case 2:
errorMessage = tr( "New part's geometry is not valid." );
break;
case 3:
errorMessage = tr( "New polygon ring not disjoint with existing polygons." );
break;
case 4:
errorMessage = tr( "No feature selected. Please select a feature with the selection tool or in the attribute table" );
break;
case 5:
errorMessage = tr( "Several features are selected. Please select only one feature to which an island should be added." );
break;
case 6:
errorMessage = tr( "Selected geometry could not be found" );
break;
}
emit messageEmitted( errorMessage, Qgis::Warning );
vlayer->destroyEditCommand();
}
QMenu *QgsAppLayerTreeViewMenuProvider::createContextMenu()
{
QMenu *menu = new QMenu;
QgsLayerTreeViewDefaultActions *actions = mView->defaultActions();
QModelIndex idx = mView->currentIndex();
if ( !idx.isValid() )
{
// global menu
menu->addAction( actions->actionAddGroup( menu ) );
menu->addAction( QgsApplication::getThemeIcon( QStringLiteral( "/mActionExpandTree.svg" ) ), tr( "&Expand All" ), mView, SLOT( expandAll() ) );
menu->addAction( QgsApplication::getThemeIcon( QStringLiteral( "/mActionCollapseTree.svg" ) ), tr( "&Collapse All" ), mView, SLOT( collapseAll() ) );
menu->addSeparator();
if ( QgisApp::instance()->clipboard()->hasFormat( QGSCLIPBOARD_MAPLAYER_MIME ) )
{
QAction *actionPasteLayerOrGroup = new QAction( QgsApplication::getThemeIcon( QStringLiteral( "/mActionEditPaste.svg" ) ), tr( "Paste Layer/Group" ), menu );
connect( actionPasteLayerOrGroup, &QAction::triggered, QgisApp::instance(), &QgisApp::pasteLayer );
menu->addAction( actionPasteLayerOrGroup );
}
// TODO: update drawing order
}
else if ( QgsLayerTreeNode *node = mView->layerTreeModel()->index2node( idx ) )
{
// layer or group selected
if ( QgsLayerTree::isGroup( node ) )
{
menu->addAction( actions->actionZoomToGroup( mCanvas, menu ) );
menu->addAction( tr( "Copy Group" ), QgisApp::instance(), SLOT( copyLayer() ) );
if ( QgisApp::instance()->clipboard()->hasFormat( QGSCLIPBOARD_MAPLAYER_MIME ) )
{
QAction *actionPasteLayerOrGroup = new QAction( tr( "Paste Layer/Group" ), menu );
connect( actionPasteLayerOrGroup, &QAction::triggered, QgisApp::instance(), &QgisApp::pasteLayer );
menu->addAction( actionPasteLayerOrGroup );
}
menu->addAction( actions->actionRenameGroupOrLayer( menu ) );
menu->addSeparator();
menu->addAction( actions->actionAddGroup( menu ) );
QAction *removeAction = menu->addAction( QgsApplication::getThemeIcon( QStringLiteral( "/mActionRemoveLayer.svg" ) ), tr( "&Remove Group…" ), QgisApp::instance(), SLOT( removeLayer() ) );
removeAction->setEnabled( removeActionEnabled() );
menu->addSeparator();
menu->addAction( QgsApplication::getThemeIcon( QStringLiteral( "/mActionSetCRS.png" ) ),
tr( "&Set Group CRS…" ), QgisApp::instance(), SLOT( legendGroupSetCrs() ) );
menu->addAction( tr( "&Set Group WMS Data…" ), QgisApp::instance(), SLOT( legendGroupSetWmsData() ) );
menu->addSeparator();
menu->addAction( actions->actionMutuallyExclusiveGroup( menu ) );
menu->addAction( actions->actionCheckAndAllChildren( menu ) );
menu->addAction( actions->actionUncheckAndAllChildren( menu ) );
if ( !( mView->selectedNodes( true ).count() == 1 && idx.row() == 0 ) )
{
menu->addAction( actions->actionMoveToTop( menu ) );
}
menu->addSeparator();
if ( mView->selectedNodes( true ).count() >= 2 )
menu->addAction( actions->actionGroupSelected( menu ) );
if ( QgisApp::instance()->clipboard()->hasFormat( QGSCLIPBOARD_STYLE_MIME ) )
{
menu->addAction( tr( "Paste Style" ), QgisApp::instance(), SLOT( applyStyleToGroup() ) );
}
menu->addSeparator();
QMenu *menuExportGroup = new QMenu( tr( "Export" ), menu );
QAction *actionSaveAsDefinitionGroup = new QAction( tr( "Save as Layer Definition File…" ), menuExportGroup );
connect( actionSaveAsDefinitionGroup, &QAction::triggered, QgisApp::instance(), &QgisApp::saveAsLayerDefinition );
menuExportGroup->addAction( actionSaveAsDefinitionGroup );
menu->addMenu( menuExportGroup );
}
else if ( QgsLayerTree::isLayer( node ) )
{
QgsMapLayer *layer = QgsLayerTree::toLayer( node )->layer();
QgsRasterLayer *rlayer = qobject_cast<QgsRasterLayer *>( layer );
QgsVectorLayer *vlayer = qobject_cast<QgsVectorLayer *>( layer );
if ( layer && layer->isSpatial() )
{
menu->addAction( actions->actionZoomToLayer( mCanvas, menu ) );
if ( vlayer )
{
QAction *actionZoomSelected = actions->actionZoomToSelection( mCanvas, menu );
actionZoomSelected->setEnabled( !vlayer->selectedFeatures().isEmpty() );
menu->addAction( actionZoomSelected );
}
menu->addAction( actions->actionShowInOverview( menu ) );
}
if ( vlayer )
menu->addAction( actions->actionShowFeatureCount( menu ) );
QAction *actionCopyLayer = new QAction( tr( "Copy Layer" ), menu );
connect( actionCopyLayer, &QAction::triggered, QgisApp::instance(), &QgisApp::copyLayer );
menu->addAction( actionCopyLayer );
menu->addAction( actions->actionRenameGroupOrLayer( menu ) );
if ( rlayer )
{
menu->addAction( QgsApplication::getThemeIcon( QStringLiteral( "/mActionZoomActual.svg" ) ), tr( "&Zoom to Native Resolution (100%)" ), QgisApp::instance(), SLOT( legendLayerZoomNative() ) );
if ( rlayer->rasterType() != QgsRasterLayer::Palette )
menu->addAction( tr( "&Stretch Using Current Extent" ), QgisApp::instance(), SLOT( legendLayerStretchUsingCurrentExtent() ) );
}
addCustomLayerActions( menu, layer );
if ( layer && layer->type() == QgsMapLayer::VectorLayer && static_cast<QgsVectorLayer *>( layer )->providerType() == QLatin1String( "virtual" ) )
{
menu->addAction( QgsApplication::getThemeIcon( QStringLiteral( "/mActionAddVirtualLayer.svg" ) ), tr( "Edit Virtual Layer…" ), QgisApp::instance(), SLOT( addVirtualLayer() ) );
}
menu->addSeparator();
// duplicate layer
QAction *duplicateLayersAction = menu->addAction( QgsApplication::getThemeIcon( QStringLiteral( "/mActionDuplicateLayer.svg" ) ), tr( "&Duplicate Layer" ), QgisApp::instance(), SLOT( duplicateLayers() ) );
QAction *removeAction = menu->addAction( QgsApplication::getThemeIcon( QStringLiteral( "/mActionRemoveLayer.svg" ) ), tr( "&Remove Layer…" ), QgisApp::instance(), SLOT( removeLayer() ) );
removeAction->setEnabled( removeActionEnabled() );
menu->addSeparator();
if ( node->parent() != mView->layerTreeModel()->rootGroup() )
menu->addAction( actions->actionMoveOutOfGroup( menu ) );
if ( !( mView->selectedNodes( true ).count() == 1 && idx.row() == 0 ) )
{
menu->addAction( actions->actionMoveToTop( menu ) );
}
QAction *checkAll = actions->actionCheckAndAllParents( menu );
if ( checkAll )
menu->addAction( checkAll );
if ( mView->selectedNodes( true ).count() >= 2 )
menu->addAction( actions->actionGroupSelected( menu ) );
menu->addSeparator();
if ( vlayer )
{
QAction *toggleEditingAction = QgisApp::instance()->actionToggleEditing();
QAction *saveLayerEditsAction = QgisApp::instance()->actionSaveActiveLayerEdits();
QAction *allEditsAction = QgisApp::instance()->actionAllEdits();
// attribute table
menu->addAction( QgsApplication::getThemeIcon( QStringLiteral( "/mActionOpenTable.svg" ) ), tr( "&Open Attribute Table" ),
QgisApp::instance(), SLOT( attributeTable() ) );
// allow editing
int cap = vlayer->dataProvider()->capabilities();
if ( cap & QgsVectorDataProvider::EditingCapabilities )
{
if ( toggleEditingAction )
{
menu->addAction( toggleEditingAction );
toggleEditingAction->setChecked( vlayer->isEditable() );
toggleEditingAction->setEnabled( true );
}
if ( saveLayerEditsAction && vlayer->isModified() )
{
menu->addAction( saveLayerEditsAction );
}
}
if ( allEditsAction->isEnabled() )
menu->addAction( allEditsAction );
// disable duplication of memory layers
if ( vlayer->storageType() == QLatin1String( "Memory storage" ) && mView->selectedLayerNodes().count() == 1 )
duplicateLayersAction->setEnabled( false );
if ( vlayer->dataProvider()->supportsSubsetString() )
{
QAction *action = menu->addAction( tr( "&Filter…" ), QgisApp::instance(), SLOT( layerSubsetString() ) );
action->setEnabled( !vlayer->isEditable() );
}
}
menu->addSeparator();
if ( layer && layer->isSpatial() )
{
// set layer scale visibility
menu->addAction( tr( "&Set Layer Scale Visibility…" ), QgisApp::instance(), SLOT( setLayerScaleVisibility() ) );
if ( !layer->isInScaleRange( mCanvas->scale() ) )
menu->addAction( tr( "Zoom to &Visible Scale" ), QgisApp::instance(), SLOT( zoomToLayerScale() ) );
QMenu *menuSetCRS = new QMenu( tr( "Set CRS" ), menu );
// set layer crs
QAction *actionSetLayerCrs = new QAction( tr( "Set Layer CRS…" ), menuSetCRS );
connect( actionSetLayerCrs, &QAction::triggered, QgisApp::instance(), &QgisApp::setLayerCrs );
menuSetCRS->addAction( actionSetLayerCrs );
// assign layer crs to project
QAction *actionSetProjectCrs = new QAction( tr( "Set &Project CRS from Layer" ), menuSetCRS );
connect( actionSetProjectCrs, &QAction::triggered, QgisApp::instance(), &QgisApp::setProjectCrsFromLayer );
menuSetCRS->addAction( actionSetProjectCrs );
menu->addMenu( menuSetCRS );
}
menu->addSeparator();
if ( vlayer )
{
// save as vector file
QMenu *menuExportVector = new QMenu( tr( "Export" ), menu );
QAction *actionSaveAs = new QAction( tr( "Save Features As…" ), menuExportVector );
connect( actionSaveAs, &QAction::triggered, QgisApp::instance(), [ = ] { QgisApp::instance()->saveAsFile(); } );
menuExportVector->addAction( actionSaveAs );
QAction *actionSaveSelectedFeaturesAs = new QAction( tr( "Save Selected Features As…" ), menuExportVector );
connect( actionSaveSelectedFeaturesAs, &QAction::triggered, QgisApp::instance(), [ = ] { QgisApp::instance()->saveAsFile( nullptr, true ); } );
actionSaveSelectedFeaturesAs->setEnabled( vlayer->selectedFeatureCount() > 0 );
menuExportVector->addAction( actionSaveSelectedFeaturesAs );
QAction *actionSaveAsDefinitionLayer = new QAction( tr( "Save as Layer Definition File…" ), menuExportVector );
connect( actionSaveAsDefinitionLayer, &QAction::triggered, QgisApp::instance(), &QgisApp::saveAsLayerDefinition );
menuExportVector->addAction( actionSaveAsDefinitionLayer );
if ( vlayer->isSpatial() )
{
QAction *actionSaveStyle = new QAction( tr( "Save as QGIS Layer Style File…" ), menuExportVector );
connect( actionSaveStyle, &QAction::triggered, QgisApp::instance(), [ = ] { QgisApp::instance()->saveStyleFile(); } );
menuExportVector->addAction( actionSaveStyle );
}
menu->addMenu( menuExportVector );
}
else if ( rlayer )
{
QMenu *menuExportRaster = new QMenu( tr( "Export" ), menu );
QAction *actionSaveAs = new QAction( tr( "Save As…" ), menuExportRaster );
QAction *actionSaveAsDefinitionLayer = new QAction( tr( "Save as Layer Definition File…" ), menuExportRaster );
QAction *actionSaveStyle = new QAction( tr( "Save as QGIS Layer Style File…" ), menuExportRaster );
connect( actionSaveAs, &QAction::triggered, QgisApp::instance(), [ = ] { QgisApp::instance()->saveAsFile(); } );
menuExportRaster->addAction( actionSaveAs );
connect( actionSaveAsDefinitionLayer, &QAction::triggered, QgisApp::instance(), &QgisApp::saveAsLayerDefinition );
menuExportRaster->addAction( actionSaveAsDefinitionLayer );
connect( actionSaveStyle, &QAction::triggered, QgisApp::instance(), [ = ] { QgisApp::instance()->saveStyleFile(); } );
menuExportRaster->addAction( actionSaveStyle );
menu->addMenu( menuExportRaster );
}
else if ( layer && layer->type() == QgsMapLayer::PluginLayer && mView->selectedLayerNodes().count() == 1 )
{
// disable duplication of plugin layers
duplicateLayersAction->setEnabled( false );
}
menu->addSeparator();
// style-related actions
if ( layer && mView->selectedLayerNodes().count() == 1 )
{
menu->addSeparator();
QMenu *menuStyleManager = new QMenu( tr( "Styles" ), menu );
QgisApp *app = QgisApp::instance();
menuStyleManager->addAction( tr( "Copy Style" ), app, SLOT( copyStyle() ) );
if ( app->clipboard()->hasFormat( QGSCLIPBOARD_STYLE_MIME ) )
{
menuStyleManager->addAction( tr( "Paste Style" ), app, SLOT( pasteStyle() ) );
}
menuStyleManager->addSeparator();
QgsMapLayerStyleGuiUtils::instance()->addStyleManagerActions( menuStyleManager, layer );
if ( vlayer )
{
const QgsSingleSymbolRenderer *singleRenderer = dynamic_cast< const QgsSingleSymbolRenderer * >( vlayer->renderer() );
if ( !singleRenderer && vlayer->renderer() && vlayer->renderer()->embeddedRenderer() )
{
singleRenderer = dynamic_cast< const QgsSingleSymbolRenderer * >( vlayer->renderer()->embeddedRenderer() );
}
if ( singleRenderer && singleRenderer->symbol() )
{
//single symbol renderer, so add set color/edit symbol actions
menuStyleManager->addSeparator();
QgsColorWheel *colorWheel = new QgsColorWheel( menuStyleManager );
colorWheel->setColor( singleRenderer->symbol()->color() );
QgsColorWidgetAction *colorAction = new QgsColorWidgetAction( colorWheel, menuStyleManager, menuStyleManager );
colorAction->setDismissOnColorSelection( false );
connect( colorAction, &QgsColorWidgetAction::colorChanged, this, &QgsAppLayerTreeViewMenuProvider::setVectorSymbolColor );
//store the layer id in action, so we can later retrieve the corresponding layer
colorAction->setProperty( "layerId", vlayer->id() );
menuStyleManager->addAction( colorAction );
//add recent colors action
QList<QgsRecentColorScheme *> recentSchemes;
QgsApplication::colorSchemeRegistry()->schemes( recentSchemes );
if ( !recentSchemes.isEmpty() )
{
QgsColorSwatchGridAction *recentColorAction = new QgsColorSwatchGridAction( recentSchemes.at( 0 ), menuStyleManager, QStringLiteral( "symbology" ), menuStyleManager );
recentColorAction->setProperty( "layerId", vlayer->id() );
recentColorAction->setDismissOnColorSelection( false );
menuStyleManager->addAction( recentColorAction );
connect( recentColorAction, &QgsColorSwatchGridAction::colorChanged, this, &QgsAppLayerTreeViewMenuProvider::setVectorSymbolColor );
}
menuStyleManager->addSeparator();
QAction *editSymbolAction = new QAction( tr( "Edit Symbol…" ), menuStyleManager );
//store the layer id in action, so we can later retrieve the corresponding layer
editSymbolAction->setProperty( "layerId", vlayer->id() );
connect( editSymbolAction, &QAction::triggered, this, &QgsAppLayerTreeViewMenuProvider::editVectorSymbol );
menuStyleManager->addAction( editSymbolAction );
}
}
menu->addMenu( menuStyleManager );
}
else
{
if ( QgisApp::instance()->clipboard()->hasFormat( QGSCLIPBOARD_STYLE_MIME ) )
{
menu->addAction( tr( "Paste Style" ), QgisApp::instance(), SLOT( applyStyleToGroup() ) );
}
}
if ( layer && QgsProject::instance()->layerIsEmbedded( layer->id() ).isEmpty() )
menu->addAction( tr( "&Properties…" ), QgisApp::instance(), SLOT( layerProperties() ) );
}
}
else if ( QgsLayerTreeModelLegendNode *node = mView->layerTreeModel()->index2legendNode( idx ) )
{
if ( QgsSymbolLegendNode *symbolNode = dynamic_cast< QgsSymbolLegendNode * >( node ) )
{
// symbology item
if ( symbolNode->flags() & Qt::ItemIsUserCheckable )
{
menu->addAction( QgsApplication::getThemeIcon( QStringLiteral( "/mActionShowAllLayers.svg" ) ), tr( "&Show All Items" ),
symbolNode, SLOT( checkAllItems() ) );
menu->addAction( QgsApplication::getThemeIcon( QStringLiteral( "/mActionHideAllLayers.svg" ) ), tr( "&Hide All Items" ),
symbolNode, SLOT( uncheckAllItems() ) );
menu->addSeparator();
}
if ( symbolNode->symbol() )
{
QgsColorWheel *colorWheel = new QgsColorWheel( menu );
colorWheel->setColor( symbolNode->symbol()->color() );
QgsColorWidgetAction *colorAction = new QgsColorWidgetAction( colorWheel, menu, menu );
colorAction->setDismissOnColorSelection( false );
connect( colorAction, &QgsColorWidgetAction::colorChanged, this, &QgsAppLayerTreeViewMenuProvider::setSymbolLegendNodeColor );
//store the layer id and rule key in action, so we can later retrieve the corresponding
//legend node, if it still exists
colorAction->setProperty( "layerId", symbolNode->layerNode()->layerId() );
colorAction->setProperty( "ruleKey", symbolNode->data( QgsLayerTreeModelLegendNode::RuleKeyRole ).toString() );
menu->addAction( colorAction );
//add recent colors action
QList<QgsRecentColorScheme *> recentSchemes;
QgsApplication::colorSchemeRegistry()->schemes( recentSchemes );
if ( !recentSchemes.isEmpty() )
{
QgsColorSwatchGridAction *recentColorAction = new QgsColorSwatchGridAction( recentSchemes.at( 0 ), menu, QStringLiteral( "symbology" ), menu );
recentColorAction->setProperty( "layerId", symbolNode->layerNode()->layerId() );
recentColorAction->setProperty( "ruleKey", symbolNode->data( QgsLayerTreeModelLegendNode::RuleKeyRole ).toString() );
recentColorAction->setDismissOnColorSelection( false );
menu->addAction( recentColorAction );
connect( recentColorAction, &QgsColorSwatchGridAction::colorChanged, this, &QgsAppLayerTreeViewMenuProvider::setSymbolLegendNodeColor );
}
menu->addSeparator();
}
QAction *editSymbolAction = new QAction( tr( "Edit Symbol…" ), menu );
//store the layer id and rule key in action, so we can later retrieve the corresponding
//legend node, if it still exists
editSymbolAction->setProperty( "layerId", symbolNode->layerNode()->layerId() );
editSymbolAction->setProperty( "ruleKey", symbolNode->data( QgsLayerTreeModelLegendNode::RuleKeyRole ).toString() );
connect( editSymbolAction, &QAction::triggered, this, &QgsAppLayerTreeViewMenuProvider::editSymbolLegendNodeSymbol );
menu->addAction( editSymbolAction );
}
}
return menu;
}
void QgsMapToolRotateFeature::canvasPressEvent( QMouseEvent * e )
{
mRotation = 0;
if ( mCtrl == true )
{
return;
}
delete mRubberBand;
mRubberBand = 0;
mInitialPos = e->pos();
QgsVectorLayer* vlayer = currentVectorLayer();
if ( !vlayer )
{
notifyNotVectorLayer();
return;
}
if ( !vlayer->isEditable() )
{
notifyNotEditableLayer();
return;
}
QgsPoint layerCoords = toLayerCoordinates( vlayer, e->pos() );
double searchRadius = QgsTolerance::vertexSearchRadius( mCanvas->currentLayer(), mCanvas->mapRenderer() );
QgsRectangle selectRect( layerCoords.x() - searchRadius, layerCoords.y() - searchRadius,
layerCoords.x() + searchRadius, layerCoords.y() + searchRadius );
if ( vlayer->selectedFeatureCount() == 0 )
{
QgsFeatureIterator fit = vlayer->getFeatures( QgsFeatureRequest().setFilterRect( selectRect ).setSubsetOfAttributes( QgsAttributeList() ) );
//find the closest feature
QgsGeometry* pointGeometry = QgsGeometry::fromPoint( layerCoords );
if ( !pointGeometry )
{
return;
}
double minDistance = std::numeric_limits<double>::max();
QgsFeature cf;
QgsFeature f;
while ( fit.nextFeature( f ) )
{
if ( f.geometry() )
{
double currentDistance = pointGeometry->distance( *f.geometry() );
if ( currentDistance < minDistance )
{
minDistance = currentDistance;
cf = f;
}
}
}
delete pointGeometry;
if ( minDistance == std::numeric_limits<double>::max() )
{
return;
}
QgsRectangle bound = cf.geometry()->boundingBox();
mStartPointMapCoords = toMapCoordinates( vlayer, bound.center() );
if ( !mAnchorPoint )
{
mAnchorPoint = new QgsVertexMarker( mCanvas );
}
mAnchorPoint->setIconType( QgsVertexMarker::ICON_CROSS );
mAnchorPoint->setCenter( mStartPointMapCoords );
mStPoint = toCanvasCoordinates( mStartPointMapCoords );
mRotatedFeatures.clear();
mRotatedFeatures << cf.id(); //todo: take the closest feature, not the first one...
mRubberBand = createRubberBand( vlayer->geometryType() );
mRubberBand->setToGeometry( cf.geometry(), vlayer );
}
else
{
mRotatedFeatures = vlayer->selectedFeaturesIds();
mRubberBand = createRubberBand( vlayer->geometryType() );
for ( int i = 0; i < vlayer->selectedFeatureCount(); i++ )
{
mRubberBand->addGeometry( vlayer->selectedFeatures()[i].geometry(), vlayer );
}
}
mRubberBand->setColor( Qt::red );
mRubberBand->setWidth( 2 );
mRubberBand->show();
}
void QgsMapToolMoveFeature::canvasPressEvent( QMouseEvent * e )
{
delete mRubberBand;
mRubberBand = 0;
QgsVectorLayer* vlayer = currentVectorLayer();
if ( !vlayer )
{
notifyNotVectorLayer();
return;
}
if ( !vlayer->isEditable() )
{
notifyNotEditableLayer();
return;
}
//find first geometry under mouse cursor and store iterator to it
QgsPoint layerCoords = toLayerCoordinates( vlayer, e->pos() );
QSettings settings;
double searchRadius = QgsTolerance::vertexSearchRadius( mCanvas->currentLayer(), mCanvas->mapRenderer() );
QgsRectangle selectRect( layerCoords.x() - searchRadius, layerCoords.y() - searchRadius,
layerCoords.x() + searchRadius, layerCoords.y() + searchRadius );
if ( vlayer->selectedFeatureCount() == 0 )
{
QgsFeatureIterator fit = vlayer->getFeatures( QgsFeatureRequest().setFilterRect( selectRect ).setSubsetOfAttributes( QgsAttributeList() ) );
//find the closest feature
QgsGeometry* pointGeometry = QgsGeometry::fromPoint( layerCoords );
if ( !pointGeometry )
{
return;
}
double minDistance = std::numeric_limits<double>::max();
QgsFeature cf;
QgsFeature f;
while ( fit.nextFeature( f ) )
{
if ( f.geometry() )
{
double currentDistance = pointGeometry->distance( *f.geometry() );
if ( currentDistance < minDistance )
{
minDistance = currentDistance;
cf = f;
}
}
}
delete pointGeometry;
if ( minDistance == std::numeric_limits<double>::max() )
{
return;
}
mMovedFeatures.clear();
mMovedFeatures << cf.id(); //todo: take the closest feature, not the first one...
mRubberBand = createRubberBand( vlayer->geometryType() );
mRubberBand->setToGeometry( cf.geometry(), vlayer );
}
else
{
mMovedFeatures = vlayer->selectedFeaturesIds();
mRubberBand = createRubberBand( vlayer->geometryType() );
for ( int i = 0; i < vlayer->selectedFeatureCount(); i++ )
{
mRubberBand->addGeometry( vlayer->selectedFeatures()[i].geometry(), vlayer );
}
}
mStartPointMapCoords = toMapCoordinates( e->pos() );
mRubberBand->setColor( QColor( 255, 0, 0, 65 ) );
mRubberBand->setWidth( 2 );
mRubberBand->show();
}
