[composer] Fix update of gui controls when table and HTML properties

change (sponsored by City of Uster, Switzerland)

src/app/composer/qgscomposerattributetablewidget.cpp

@@ -60,8 +60,7 @@ QgsComposerAttributeTableWidget::QgsComposerAttributeTableWidget( QgsComposerAtt
 
   if ( mComposerTable )
   {
-    QObject::connect( mComposerTable, SIGNAL( maximumNumberOfFeaturesChanged( int ) ), this, SLOT( setMaximumNumberOfFeatures( int ) ) );
-    QObject::connect( mComposerTable, SIGNAL( itemChanged() ), this, SLOT( updateGuiElements() ) );
+    QObject::connect( mComposerTable, SIGNAL( changed() ), this, SLOT( updateGuiElements() ) );
   }
 }
 

src/app/composer/qgscomposertablewidget.cpp

@@ -55,7 +55,6 @@ QgsComposerTableWidget::QgsComposerTableWidget( QgsComposerAttributeTable* table
 
   if ( mComposerTable )
   {
-    QObject::connect( mComposerTable, SIGNAL( maximumNumberOfFeaturesChanged( int ) ), this, SLOT( setMaximumNumberOfFeatures( int ) ) );
     QObject::connect( mComposerTable, SIGNAL( itemChanged() ), this, SLOT( updateGuiElements() ) );
   }
 }

src/core/composer/qgscomposerattributetable.h

@@ -281,9 +281,6 @@ class CORE_EXPORT QgsComposerAttributeTable: public QgsComposerTable
     /**Checks if this vector layer will be removed (and sets mVectorLayer to 0 if yes) */
     void removeLayer( QString layerId );
 
-  signals:
-    /**This signal is emitted if the maximum number of feature changes (interactively)*/
-    void maximumNumberOfFeaturesChanged( int n );
 };
 
 #endif // QGSCOMPOSERATTRIBUTETABLE_H

src/core/composer/qgscomposerattributetablev2.cpp

@@ -157,6 +157,8 @@ void QgsComposerAttributeTableV2::setVectorLayer( QgsVectorLayer* layer )
 
   //listen for modifications to layer and refresh table when they occur
   QObject::connect( mVectorLayer, SIGNAL( layerModified() ), this, SLOT( refreshAttributes() ) );
+
+  emit changed();
 }
 
 void QgsComposerAttributeTableV2::resetColumns()
@@ -202,6 +204,7 @@ void QgsComposerAttributeTableV2::setComposerMap( const QgsComposerMap* map )
     QObject::connect( mComposerMap, SIGNAL( extentChanged() ), this, SLOT( refreshAttributes() ) );
   }
   refreshAttributes();
+  emit changed();
 }
 
 void QgsComposerAttributeTableV2::setMaximumNumberOfFeatures( int features )
@@ -213,6 +216,7 @@ void QgsComposerAttributeTableV2::setMaximumNumberOfFeatures( int features )
 
   mMaximumNumberOfFeatures = features;
   refreshAttributes();
+  emit changed();
 }
 
 void QgsComposerAttributeTableV2::setDisplayOnlyVisibleFeatures( bool visibleOnly )
@@ -224,6 +228,7 @@ void QgsComposerAttributeTableV2::setDisplayOnlyVisibleFeatures( bool visibleOnl
 
   mShowOnlyVisibleFeatures = visibleOnly;
   refreshAttributes();
+  emit changed();
 }
 
 void QgsComposerAttributeTableV2::setFilterFeatures( bool filter )
@@ -235,6 +240,7 @@ void QgsComposerAttributeTableV2::setFilterFeatures( bool filter )
 
   mFilterFeatures = filter;
   refreshAttributes();
+  emit changed();
 }
 
 void QgsComposerAttributeTableV2::setFeatureFilter( const QString& expression )
@@ -246,6 +252,7 @@ void QgsComposerAttributeTableV2::setFeatureFilter( const QString& expression )
 
   mFeatureFilter = expression;
   refreshAttributes();
+  emit changed();
 }
 
 void QgsComposerAttributeTableV2::setDisplayAttributes( const QSet<int>& attr, bool refresh )

src/core/composer/qgscomposerattributetablev2.h

@@ -228,9 +228,6 @@ class CORE_EXPORT QgsComposerAttributeTableV2: public QgsComposerTableV2
     /**Checks if this vector layer will be removed (and sets mVectorLayer to 0 if yes) */
     void removeLayer( QString layerId );
 
-  signals:
-    /**This signal is emitted if the maximum number of feature changes (interactively)*/
-    void maximumNumberOfFeaturesChanged( int n );
 };
 
 #endif // QGSCOMPOSERATTRIBUTETABLEV2_H

src/core/composer/qgscomposerhtml.cpp

@@ -96,17 +96,23 @@ void QgsComposerHtml::setUrl( const QUrl& url )
 
   mUrl = url;
   loadHtml();
+  emit changed();
 }
 
 void QgsComposerHtml::setHtml( const QString html )
 {
   mHtml = html;
+  //TODO - this signal should be emitted, but without changing the signal which sets the html
+  //to an equivalent of editingFinished it causes a lot of problems. Need to investigate
+  //ways of doing this using QScintilla widgets.
+  //emit changed();
 }
 
 void QgsComposerHtml::setEvaluateExpressions( bool evaluateExpressions )
 {
   mEvaluateExpressions = evaluateExpressions;
   loadHtml();
+  emit changed();
 }
 
 void QgsComposerHtml::loadHtml()
@@ -400,6 +406,10 @@ void QgsComposerHtml::setMaxBreakDistance( double maxBreakDistance )
 void QgsComposerHtml::setUserStylesheet( const QString stylesheet )
 {
   mUserStylesheet = stylesheet;
+  //TODO - this signal should be emitted, but without changing the signal which sets the css
+  //to an equivalent of editingFinished it causes a lot of problems. Need to investigate
+  //ways of doing this using QScintilla widgets.
+  //emit changed();
 }
 
 void QgsComposerHtml::setUserStylesheetEnabled( const bool stylesheetEnabled )
@@ -408,6 +418,7 @@ void QgsComposerHtml::setUserStylesheetEnabled( const bool stylesheetEnabled )
   {
     mEnableUserStylesheet = stylesheetEnabled;
     loadHtml();
+    emit changed();
   }
 }
 

src/core/composer/qgscomposertablev2.cpp

@@ -61,6 +61,7 @@ bool QgsComposerTableV2::writeXML( QDomElement& elem, QDomDocument & doc, bool i
   elem.setAttribute( "headerFont", mHeaderFont.toString() );
   elem.setAttribute( "headerFontColor", QgsSymbolLayerV2Utils::encodeColor( mHeaderFontColor ) );
   elem.setAttribute( "headerHAlignment", QString::number(( int )mHeaderHAlignment ) );
+  elem.setAttribute( "headerMode", QString::number(( int )mHeaderMode ) );
   elem.setAttribute( "contentFont", mContentFont.toString() );
   elem.setAttribute( "contentFontColor", QgsSymbolLayerV2Utils::encodeColor( mContentFontColor ) );
   elem.setAttribute( "gridStrokeWidth", QString::number( mGridStrokeWidth ) );
@@ -288,8 +289,11 @@ void QgsComposerTableV2::setCellMargin( const double margin )
   }
 
   mCellMargin = margin;
+
   //since spacing has changed, we need to recalculate the table size
   adjustFrameToSize();
+
+  emit changed();
 }
 
 void QgsComposerTableV2::setHeaderFont( const QFont &font )
@@ -302,6 +306,8 @@ void QgsComposerTableV2::setHeaderFont( const QFont &font )
   mHeaderFont = font;
   //since font attributes have changed, we need to recalculate the table size
   adjustFrameToSize();
+
+  emit changed();
 }
 
 void QgsComposerTableV2::setHeaderFontColor( const QColor &color )
@@ -313,6 +319,8 @@ void QgsComposerTableV2::setHeaderFontColor( const QColor &color )
 
   mHeaderFontColor = color;
   repaint();
+
+  emit changed();
 }
 
 void QgsComposerTableV2::setHeaderHAlignment( const QgsComposerTableV2::HeaderHAlignment alignment )
@@ -324,6 +332,8 @@ void QgsComposerTableV2::setHeaderHAlignment( const QgsComposerTableV2::HeaderHA
 
   mHeaderHAlignment = alignment;
   repaint();
+
+  emit changed();
 }
 
 void QgsComposerTableV2::setHeaderMode( const QgsComposerTableV2::HeaderMode mode )
@@ -336,6 +346,7 @@ void QgsComposerTableV2::setHeaderMode( const QgsComposerTableV2::HeaderMode mod
   mHeaderMode = mode;
   adjustFrameToSize();
 
+  emit changed();
 }
 
 void QgsComposerTableV2::setContentFont( const QFont &font )
@@ -348,6 +359,8 @@ void QgsComposerTableV2::setContentFont( const QFont &font )
   mContentFont = font;
   //since font attributes have changed, we need to recalculate the table size
   adjustFrameToSize();
+
+  emit changed();
 }
 
 void QgsComposerTableV2::setContentFontColor( const QColor &color )
@@ -359,6 +372,8 @@ void QgsComposerTableV2::setContentFontColor( const QColor &color )
 
   mContentFontColor = color;
   repaint();
+
+  emit changed();
 }
 
 void QgsComposerTableV2::setShowGrid( const bool showGrid )
@@ -371,6 +386,8 @@ void QgsComposerTableV2::setShowGrid( const bool showGrid )
   mShowGrid = showGrid;
   //since grid spacing has changed, we need to recalculate the table size
   adjustFrameToSize();
+
+  emit changed();
 }
 
 void QgsComposerTableV2::setGridStrokeWidth( const double width )
@@ -383,6 +400,8 @@ void QgsComposerTableV2::setGridStrokeWidth( const double width )
   mGridStrokeWidth = width;
   //since grid spacing has changed, we need to recalculate the table size
   adjustFrameToSize();
+
+  emit changed();
 }
 
 void QgsComposerTableV2::setGridColor( const QColor &color )
@@ -394,6 +413,8 @@ void QgsComposerTableV2::setGridColor( const QColor &color )
 
   mGridColor = color;
   repaint();
+
+  emit changed();
 }
 
 void QgsComposerTableV2::setColumns( QgsComposerTableColumns columns )