Implemented renaming of symbols and color ramps. Fixes #3509

git-svn-id: http://svn.osgeo.org/qgis/trunk@15222 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: wonder

python/core/symbology-ng-core.sip

@@ -886,8 +886,12 @@ public:
   //! remove symbol from style (and delete it)
   bool removeSymbol(QString name);
 
+  //! change symbol's name
+  //! @note added in v1.7
+  bool renameSymbol( QString oldName, QString newName );
+
   //! return a NEW copy of symbol
-  QgsSymbolV2* symbol(QString name);
+  QgsSymbolV2* symbol(QString name) /Factory/;
 
   //! return a const pointer to a symbol (doesn't create new instance)
   const QgsSymbolV2* symbolRef(QString name) const;
@@ -905,8 +909,12 @@ public:
   //! remove color ramp from style (and delete it)
   bool removeColorRamp(QString name);
 
+  //! change ramp's name
+  //! @note added in v1.7
+  bool renameColorRamp( QString oldName, QString newName );
+
   //! return a NEW copy of color ramp
-  QgsVectorColorRampV2* colorRamp(QString name);
+  QgsVectorColorRampV2* colorRamp(QString name) /Factory/;
 
   //! return a const pointer to a symbol (doesn't create new instance)
   const QgsVectorColorRampV2* colorRampRef(QString name) const;

src/core/symbology-ng/qgsstylev2.cpp

@@ -261,3 +261,21 @@ bool QgsStyleV2::save( QString filename )
   mFileName = filename;
   return true;
 }
+
+bool QgsStyleV2::renameSymbol( QString oldName, QString newName )
+{
+  if ( !mSymbols.contains( oldName ) )
+    return NULL;
+
+  mSymbols.insert( newName, mSymbols.take( oldName ) );
+  return true;
+}
+
+bool QgsStyleV2::renameColorRamp( QString oldName, QString newName )
+{
+  if ( !mColorRamps.contains( oldName ) )
+    return NULL;
+
+  mColorRamps.insert( newName, mColorRamps.take( oldName ) );
+  return true;
+}

src/core/symbology-ng/qgsstylev2.h

@@ -35,6 +35,10 @@ class CORE_EXPORT QgsStyleV2
     //! remove symbol from style (and delete it)
     bool removeSymbol( QString name );
 
+    //! change symbol's name
+    //! @note added in v1.7
+    bool renameSymbol( QString oldName, QString newName );
+
     //! return a NEW copy of symbol
     QgsSymbolV2* symbol( QString name );
 
@@ -54,6 +58,10 @@ class CORE_EXPORT QgsStyleV2
     //! remove color ramp from style (and delete it)
     bool removeColorRamp( QString name );
 
+    //! change ramp's name
+    //! @note added in v1.7
+    bool renameColorRamp( QString oldName, QString newName );
+
     //! return a NEW copy of color ramp
     QgsVectorColorRampV2* colorRamp( QString name );
 

src/gui/symbology-ng/qgsstylev2managerdialog.cpp

@@ -46,6 +46,8 @@ QgsStyleV2ManagerDialog::QgsStyleV2ManagerDialog( QgsStyleV2* style, QWidget* pa
   QStandardItemModel* model = new QStandardItemModel( listItems );
   listItems->setModel( model );
 
+  connect( model, SIGNAL( itemChanged( QStandardItem* ) ), this, SLOT( itemChanged( QStandardItem* ) ) );
+
   populateTypes();
 
   connect( tabItemType, SIGNAL( currentChanged( int ) ), this, SLOT( populateList() ) );
@@ -68,7 +70,7 @@ void QgsStyleV2ManagerDialog::populateTypes()
   // save current selection index in types combo
   int current = ( tabItemType->count() > 0 ? tabItemType->currentIndex() : 0 );
 
- // no counting of style items
+// no counting of style items
   int markerCount = 0, lineCount = 0, fillCount = 0;
 
   QStringList symbolNames = mStyle->symbolNames();
@@ -130,6 +132,7 @@ void QgsStyleV2ManagerDialog::populateSymbols( int type )
       QStandardItem* item = new QStandardItem( name );
       QIcon icon = QgsSymbolLayerV2Utils::symbolPreviewIcon( symbol, listItems->iconSize() );
       item->setIcon( icon );
+      item->setData( name ); // used to find out original name when user edited the name
       // add to model
       model->appendRow( item );
     }
@@ -153,6 +156,7 @@ void QgsStyleV2ManagerDialog::populateColorRamps()
     QStandardItem* item = new QStandardItem( name );
     QIcon icon = QgsSymbolLayerV2Utils::colorRampPreviewIcon( ramp, listItems->iconSize() );
     item->setIcon( icon );
+    item->setData( name ); // used to find out original name when user edited the name
     model->appendRow( item );
     delete ramp;
   }
@@ -453,3 +457,25 @@ bool QgsStyleV2ManagerDialog::removeColorRamp()
   mModified = true;
   return true;
 }
+
+void QgsStyleV2ManagerDialog::itemChanged( QStandardItem* item )
+{
+  // an item has been edited
+  QString oldName = item->data().toString();
+
+  bool changed = false;
+  if ( currentItemType() < 3 )
+  {
+    changed = mStyle->renameSymbol( oldName, item->text() );
+  }
+  else if ( currentItemType() == 3 )
+  {
+    changed = mStyle->renameColorRamp( oldName, item->text() );
+  }
+
+  if ( changed )
+  {
+    populateList();
+    mModified = true;
+  }
+}

src/gui/symbology-ng/qgsstylev2managerdialog.h

@@ -3,6 +3,7 @@
 #define QGSSTYLEV2MANAGERDIALOG_H
 
 #include <QDialog>
+#include <QStandardItem>
 
 #include "ui_qgsstylev2managerdialogbase.h"
 #include "qgscontexthelp.h"
@@ -31,6 +32,8 @@ class GUI_EXPORT QgsStyleV2ManagerDialog : public QDialog, private Ui::QgsStyleV
 
     void on_buttonBox_helpRequested() { QgsContextHelp::run( metaObject()->className() ); }
 
+    void itemChanged( QStandardItem* item );
+
   protected:
 
     //! populate combo box with known style items (symbols, color ramps)

src/ui/qgssymbolv2propertiesdialogbase.ui

@@ -83,6 +83,9 @@
        <verstretch>0</verstretch>
       </sizepolicy>
      </property>
+     <property name="editTriggers">
+      <set>QAbstractItemView::NoEditTriggers</set>
+     </property>
     </widget>
    </item>
    <item row="2" column="0">