moved bBoxOfSelected() from QgsMapLayer to QgsVectorLayer to restore 'zoom to selected' soon

git-svn-id: http://svn.osgeo.org/qgis/trunk@545 c8812cc2-4d05-0410-92ff-de0c093fc19c

src/qgsmapcanvas.cpp

@@ -39,6 +39,7 @@
 #include "qgslinesymbol.h"
 #include "qgsmapcanvas.h"
 #include "qgsmaplayerinterface.h"
+#include "qgsvectorlayer.h"
 
 QgsMapCanvas::QgsMapCanvas(QWidget * parent, const char *name)
 :QWidget(parent, name)
@@ -326,7 +327,8 @@ void QgsMapCanvas::zoomPreviousExtent()
 
 void QgsMapCanvas::zoomToSelected()
 {
-    QgsMapLayer * lyr = mapLegend->currentLayer();
+    QgsVectorLayer* lyr = dynamic_cast<QgsVectorLayer*>(mapLegend->currentLayer());
+ 
     if(lyr)
     {
 	QgsRect rect=lyr->bBoxOfSelected();

src/qgsmaplayer.cpp

@@ -71,11 +71,6 @@ const QgsRect QgsMapLayer::extent()
 	return layerExtent;
 }
 
-QgsRect QgsMapLayer::bBoxOfSelected()
-{
-
-}
-
 QgsRect QgsMapLayer::calculateExtent()
 {
     //just to prevent any crashes

src/qgsmaplayer.h

@@ -65,8 +65,6 @@ class QgsMapLayer:public QObject
 	 * based on the layer type
 	 */
 	virtual QgsRect calculateExtent();
-	/**Returns the bounding box of the selected features. If there is no selection, the lower bounds are DBL_MAX and the upper bounds DBL_MIN*/
-	virtual QgsRect bBoxOfSelected();
 	virtual void draw(QPainter *, QgsRect *, int);
 	virtual void draw(QPainter *, QgsRect *, QgsCoordinateTransform * cXf);
 	/*! Identify the feature(s) in this layer that are contained in the search rectangle

src/qgsvectorlayer.cpp

@@ -707,3 +707,9 @@ void QgsVectorLayer::initContextMenu(QgisApp *app){
 QPopupMenu *QgsVectorLayer::contextMenu(){
   return popMenu;
 }
+
+QgsRect QgsVectorLayer::bBoxOfSelected()
+{
+    QgsRect myrect;//soon
+    return myrect;
+}

src/qgsvectorlayer.h

@@ -87,6 +87,8 @@ class QgsVectorLayer:public QgsMapLayer
 	QgsVectorLayerProperties* propertiesDialog();
 	/** Return the context menu for the layer */
 	QPopupMenu *contextMenu();
+  	/**Returns the bounding box of the selected features. If there is no selection, the lower bounds are DBL_MAX and the upper bounds DBL_MIN*/
+	virtual QgsRect bBoxOfSelected();
   protected:
 	/**Pointer to the table display object if there is one, else a pointer to 0*/
 	QgsAttributeTableDisplay* tabledisplay;