Possibility to adapt composer table rect to content size before painting

git-svn-id: http://svn.osgeo.org/qgis/trunk@13326 c8812cc2-4d05-0410-92ff-de0c093fc19c

src/core/composer/qgscomposertable.cpp

@@ -110,6 +110,22 @@ void QgsComposerTable::paint( QPainter* painter, const QStyleOptionGraphicsItem*
   }
 }
 
+void QgsComposerTable::adjustFrameToSize()
+{
+  QList<QgsAttributeMap> attributes;
+  if ( !getFeatureAttributes( attributes ) )
+  {
+    return;
+  }
+
+  QMap<int, double> maxWidthMap;
+  if ( !calculateMaxColumnWidths( maxWidthMap, attributes ) )
+  {
+    return;
+  }
+  adaptItemFrame( maxWidthMap, attributes );
+}
+
 bool QgsComposerTable::tableWriteXML( QDomElement& elem, QDomDocument & doc ) const
 {
   elem.setAttribute( "lineTextDist", mLineTextDistance );

src/core/composer/qgscomposertable.h

@@ -55,6 +55,10 @@ class CORE_EXPORT QgsComposerTable: public QgsComposerItem
     void setGridColor( const QColor& c ) { mGridColor = c; }
     QColor gridColor() const { return mGridColor; }
 
+    /**Adapts the size of the frame to match the content. This is normally done in the paint method, but sometimes \
+    it needs to be done before the first render*/
+    void adjustFrameToSize();
+
   protected:
     /**Distance between table lines and text*/
     double mLineTextDistance;