Fix QgsComposerAttributeTableV2 setting displayed fields under qt5

Also don't run QgsComposerAttributeTable test when disable
deprecated flag is set.

ci/travis/linux/qt5/blacklist.txt

@@ -12,6 +12,4 @@ PyQgsSpatialiteProvider
 PyQgsVirtualLayerDefinition
 PyQgsVirtualLayerProvider
 qgis_composermapgridtest
-qgis_composertabletest
-qgis_composertablev2test
 qgis_composerutils

python/core/composer/qgscomposerattributetablev2.sip

@@ -236,9 +236,19 @@ class QgsComposerAttributeTableV2 : QgsComposerTableV2
      * @param refresh set to true to force the table to refetch features from its vector layer
      * and immediately update the display of the table. This may result in the table changing size
      * to accommodate the new displayed feature attributes.
-     * @see displayAttributes
+     * @deprecated use setDisplayedFields() instead
      */
-    void setDisplayAttributes( const QSet<int>& attr, bool refresh = true );
+    void setDisplayAttributes( const QSet<int>& attr, bool refresh = true ) /Deprecated/;
+
+    /** Sets the attributes to display in the table.
+     * @param fields list of fields names from the vector layer to show.
+     * Set to an empty list to show all feature attributes.
+     * @param refresh set to true to force the table to refetch features from its vector layer
+     * and immediately update the display of the table. This may result in the table changing size
+     * to accommodate the new displayed feature attributes.
+     * @note added in QGIS 2.16
+     */
+    void setDisplayedFields( const QStringList& fields, bool refresh = true );
 
     /** Returns the attributes used to sort the table's features.
      * @returns a QList of integer/bool pairs, where the integer refers to the attribute index and

src/core/composer/qgscomposerattributetablev2.cpp

@@ -361,6 +361,56 @@ void QgsComposerAttributeTableV2::setDisplayAttributes( const QSet<int>& attr, b
   }
 }
 
+void QgsComposerAttributeTableV2::setDisplayedFields( const QStringList& fields, bool refresh )
+{
+  QgsVectorLayer* source = sourceLayer();
+  if ( !source )
+  {
+    return;
+  }
+
+  //rebuild columns list, taking only fields contained in supplied list
+  qDeleteAll( mColumns );
+  mColumns.clear();
+
+  QgsFields layerFields = source->fields();
+
+  if ( !fields.isEmpty() )
+  {
+    Q_FOREACH ( const QString& field, fields )
+    {
+      int attrIdx = layerFields.fieldNameIndex( field );
+      if ( attrIdx < 0 )
+        continue;
+
+      QString currentAlias = source->attributeDisplayName( attrIdx );
+      QgsComposerTableColumn* col = new QgsComposerTableColumn;
+      col->setAttribute( layerFields.at( attrIdx ).name() );
+      col->setHeading( currentAlias );
+      mColumns.append( col );
+    }
+  }
+  else
+  {
+    //resetting, so add all attributes to columns
+    int idx = 0;
+    Q_FOREACH ( const QgsField& field, layerFields )
+    {
+      QString currentAlias = source->attributeDisplayName( idx );
+      QgsComposerTableColumn* col = new QgsComposerTableColumn;
+      col->setAttribute( field.name() );
+      col->setHeading( currentAlias );
+      mColumns.append( col );
+      idx++;
+    }
+  }
+
+  if ( refresh )
+  {
+    refreshAttributes();
+  }
+}
+
 void QgsComposerAttributeTableV2::restoreFieldAliasMap( const QMap<int, QString>& map )
 {
   QgsVectorLayer* source = sourceLayer();

src/core/composer/qgscomposerattributetablev2.h

@@ -258,9 +258,19 @@ class CORE_EXPORT QgsComposerAttributeTableV2: public QgsComposerTableV2
      * @param refresh set to true to force the table to refetch features from its vector layer
      * and immediately update the display of the table. This may result in the table changing size
      * to accommodate the new displayed feature attributes.
-     * @see displayAttributes
+     * @deprecated use setDisplayedFields() instead
      */
-    void setDisplayAttributes( const QSet<int>& attr, bool refresh = true );
+    Q_DECL_DEPRECATED void setDisplayAttributes( const QSet<int>& attr, bool refresh = true );
+
+    /** Sets the attributes to display in the table.
+     * @param fields list of fields names from the vector layer to show.
+     * Set to an empty list to show all feature attributes.
+     * @param refresh set to true to force the table to refetch features from its vector layer
+     * and immediately update the display of the table. This may result in the table changing size
+     * to accommodate the new displayed feature attributes.
+     * @note added in QGIS 2.16
+     */
+    void setDisplayedFields( const QStringList& fields, bool refresh = true );
 
     /** Returns the attributes used to sort the table's features.
      * @returns a QList of integer/bool pairs, where the integer refers to the attribute index and

tests/src/core/CMakeLists.txt

@@ -113,7 +113,9 @@ ADD_QGIS_TEST(composerpicturetest testqgscomposerpicture.cpp)
 ADD_QGIS_TEST(composerrotationtest testqgscomposerrotation.cpp)
 ADD_QGIS_TEST(composerscalebartest testqgscomposerscalebar.cpp )
 ADD_QGIS_TEST(composershapestest testqgscomposershapes.cpp)
+IF(NOT DISABLE_DEPRECATED)
 ADD_QGIS_TEST(composertabletest testqgscomposertable.cpp)
+ENDIF(NOT DISABLE_DEPRECATED)
 ADD_QGIS_TEST(composertablev2test testqgscomposertablev2.cpp)
 ADD_QGIS_TEST(composerutils testqgscomposerutils.cpp)
 ADD_QGIS_TEST(connectionpooltest testqgsconnectionpool.cpp)

tests/src/core/testqgscomposertablev2.cpp

@@ -255,9 +255,9 @@ void TestQgsComposerTableV2::attributeTableFilterFeatures()
 void TestQgsComposerTableV2::attributeTableSetAttributes()
 {
   //test subset of attributes in table
-  QSet<int> attributes;
-  attributes << 0 << 3 << 4;
-  mComposerAttributeTable->setDisplayAttributes( attributes );
+  QStringList attributes;
+  attributes << "Class" << "Pilots" << "Cabin Crew";
+  mComposerAttributeTable->setDisplayedFields( attributes );
   mComposerAttributeTable->setMaximumNumberOfFeatures( 3 );
 
   //check headers
@@ -291,7 +291,7 @@ void TestQgsComposerTableV2::attributeTableSetAttributes()
   compareTable( expectedRows );
 
   attributes.clear();
-  mComposerAttributeTable->setDisplayAttributes( attributes );
+  mComposerAttributeTable->setDisplayedFields( attributes );
 }
 
 void TestQgsComposerTableV2::attributeTableVisibleOnly()