Fix #8590 - Copy and paste for rules

Author: NathanW2

src/gui/symbology-ng/qgsgraduatedsymbolrendererv2widget.h

@@ -121,7 +121,6 @@ class GUI_EXPORT QgsGraduatedSymbolRendererV2Widget : public QgsRendererV2Widget
     QgsSymbolV2* findSymbolForRange( double lowerBound, double upperBound, const QgsRangeList& ranges ) const;
     void refreshSymbolView();
 
-
   protected:
     QgsGraduatedSymbolRendererV2* mRenderer;
 

src/gui/symbology-ng/qgsrendererv2widget.cpp

@@ -27,6 +27,9 @@ QgsRendererV2Widget::QgsRendererV2Widget( QgsVectorLayer* layer, QgsStyleV2* sty
 {
   contextMenu = new QMenu( "Renderer Options " );
 
+  contextMenu->addAction( tr( "Copy" ), this, SLOT( copy() ) );
+  contextMenu->addAction( tr( "Paste" ), this, SLOT( paste() ) );
+
   contextMenu->addAction( tr( "Change color" ), this, SLOT( changeSymbolColor( ) ) );
   contextMenu->addAction( tr( "Change transparency" ), this, SLOT( changeSymbolTransparency() ) );
   contextMenu->addAction( tr( "Change output unit" ), this, SLOT( changeSymbolUnit() ) );

src/gui/symbology-ng/qgsrendererv2widget.h

@@ -71,6 +71,10 @@ class GUI_EXPORT QgsRendererV2Widget : public QWidget
     void changeSymbolWidth();
     /**Change marker sizes of selected symbols*/
     void changeSymbolSize();
+
+    virtual void copy() {}
+    virtual void paste() {}
+
 };
 
 

src/gui/symbology-ng/qgsrulebasedrendererv2widget.cpp

@@ -197,6 +197,8 @@ void QgsRuleBasedRendererV2Widget::currentRuleChanged( const QModelIndex& curren
 #include "qgsexpressionbuilderdialog.h"
 #include <QDialogButtonBox>
 #include <QInputDialog>
+#include <QKeyEvent>
+#include <QClipboard>
 
 void QgsRuleBasedRendererV2Widget::refineRule( int type )
 {
@@ -403,6 +405,26 @@ void QgsRuleBasedRendererV2Widget::restoreSectionWidths()
   head->resizeSection( 5, settings.value( path + QString::number( 5 ), 50 ).toInt() );
 }
 
+void QgsRuleBasedRendererV2Widget::copy()
+{
+    QModelIndexList indexlist = viewRules->selectionModel()->selectedRows();
+    QgsDebugMsg(QString("%1").arg(indexlist.count()));
+
+    if ( indexlist.isEmpty() )
+      return;
+
+    QMimeData* mime = mModel->mimeData( indexlist );
+    QApplication::clipboard()->setMimeData(mime);
+}
+
+void QgsRuleBasedRendererV2Widget::paste()
+{
+    const QMimeData* mime = QApplication::clipboard()->mimeData();
+    QModelIndex index = viewRules->selectionModel()->selectedRows().first();
+    mModel->dropMimeData( mime, Qt::CopyAction, index.row(), index.column(), index.parent() );
+}
+
+
 void QgsRuleBasedRendererV2Widget::countFeatures()
 {
   if ( !mLayer || !mRenderer || !mRenderer->rootRule() )

src/gui/symbology-ng/qgsrulebasedrendererv2widget.h

@@ -128,7 +128,6 @@ class GUI_EXPORT QgsRuleBasedRendererV2Widget : public QgsRendererV2Widget, priv
     void restoreSectionWidths();
 
   protected:
-
     void refineRule( int type );
     void refineRuleCategoriesGui( const QModelIndexList& index );
     void refineRuleRangesGui( const QModelIndexList& index );
@@ -143,6 +142,10 @@ class GUI_EXPORT QgsRuleBasedRendererV2Widget : public QgsRendererV2Widget, priv
     QgsRuleBasedRendererV2Model* mModel;
 
     QMenu* mRefineMenu;
+
+  protected slots:
+    void copy();
+    void paste();
 };
 
 ///////