Implemented setFeatureSelectionManager in QgsListView

Partially fixes #11266

 * now passing editor context to QgsFeatureSelectionDlg
   (otherwise fails on assert parentContext.vectorLayerTools())
 * still crashes at the provider level after saving
 * unlink still doesn't work

src/core/qgsrelation.cpp

@@ -187,7 +187,7 @@ QgsFeatureRequest QgsRelation::getReferencedFeatureRequest( const QgsAttributes&
   {
     int referencedIdx = referencedLayer()->fields().indexFromName( fieldPair.referencedField() );
     int referencingIdx = referencingLayer()->fields().indexFromName( fieldPair.referencingField() );
-    Q_UNUSED(referencingIdx);
+    Q_UNUSED( referencingIdx );
 
     QgsField referencedField = referencedLayer()->fields().at( referencedIdx );
 

src/gui/attributetable/qgsdualview.cpp

@@ -412,7 +412,7 @@ void QgsDualView::setRequest( const QgsFeatureRequest& request )
 void QgsDualView::setFeatureSelectionManager( QgsIFeatureSelectionManager* featureSelectionManager )
 {
   mTableView->setFeatureSelectionManager( featureSelectionManager );
-  // mFeatureList->setFeatureSelectionManager( featureSelectionManager );
+  mFeatureList->setFeatureSelectionManager( featureSelectionManager );
 
   if ( mFeatureSelectionManager && mFeatureSelectionManager->parent() == this )
     delete mFeatureSelectionManager;

src/gui/attributetable/qgsfeaturelistview.cpp

@@ -38,6 +38,7 @@ QgsFeatureListView::QgsFeatureListView( QWidget *parent )
     , mModel( 0 )
     , mCurrentEditSelectionModel( 0 )
     , mFeatureSelectionModel( 0 )
+    , mFeatureSelectionManager( NULL )
     , mItemDelegate( 0 )
     , mEditSelectionDrag( false )
     , mRowAnchor( 0 )
@@ -56,10 +57,15 @@ void QgsFeatureListView::setModel( QgsFeatureListModel* featureListModel )
   mModel = featureListModel;
 
   delete mFeatureSelectionModel;
-  mFeatureSelectionModel = new QgsFeatureSelectionModel( featureListModel, featureListModel, new QgsVectorLayerSelectionManager( featureListModel->layerCache()->layer(), this ), this );
-  setSelectionModel( mFeatureSelectionModel );
 
   mCurrentEditSelectionModel = new QItemSelectionModel( mModel->masterModel(), this );
+  if ( !mFeatureSelectionManager )
+  {
+    mFeatureSelectionManager = new QgsVectorLayerSelectionManager( mModel->layerCache()->layer(), mModel );
+  }
+
+  mFeatureSelectionModel = new QgsFeatureSelectionModel( featureListModel, featureListModel, mFeatureSelectionManager, this );
+  setSelectionModel( mFeatureSelectionModel );
 
   if ( mItemDelegate && mItemDelegate->parent() == this )
   {
@@ -75,6 +81,7 @@ void QgsFeatureListView::setModel( QgsFeatureListModel* featureListModel )
   connect( mFeatureSelectionModel, SIGNAL( requestRepaint() ), this, SLOT( repaintRequested() ) );
 
   connect( mCurrentEditSelectionModel, SIGNAL( selectionChanged( QItemSelection, QItemSelection ) ), SLOT( editSelectionChanged( QItemSelection, QItemSelection ) ) );
+
 }
 
 bool QgsFeatureListView::setDisplayExpression( const QString& expression )
@@ -338,3 +345,14 @@ void QgsFeatureListView::selectRow( const QModelIndex& index, bool anchor )
 
   mFeatureSelectionModel->selectFeatures( QItemSelection( tl, br ), command );
 }
+
+void QgsFeatureListView::setFeatureSelectionManager( QgsIFeatureSelectionManager* featureSelectionManager )
+{
+  if ( mFeatureSelectionManager )
+    delete mFeatureSelectionManager;
+
+  mFeatureSelectionManager = featureSelectionManager;
+
+  if ( mFeatureSelectionModel )
+    mFeatureSelectionModel->setFeatureSelectionManager( mFeatureSelectionManager );
+}

src/gui/attributetable/qgsfeaturelistview.h

@@ -25,6 +25,7 @@ class QgsAttributeTableFilterModel;
 class QgsFeatureListModel;
 class QgsFeatureSelectionModel;
 class QgsAttributeTableModel;
+class QgsIFeatureSelectionManager;
 class QgsVectorLayer;
 class QgsVectorLayerCache;
 class QgsFeatureListViewDelegate;
@@ -114,6 +115,11 @@ class GUI_EXPORT QgsFeatureListView : public QListView
      */
     void setCurrentFeatureEdited( bool state );
 
+    /**
+     * @brief setFeatureSelectionManager
+     * @param featureSelectionManager We will take ownership
+     */
+    void setFeatureSelectionManager( QgsIFeatureSelectionManager* featureSelectionManager );
   protected:
     virtual void mouseMoveEvent( QMouseEvent *event ) override;
     virtual void mousePressEvent( QMouseEvent *event ) override;
@@ -170,6 +176,7 @@ class GUI_EXPORT QgsFeatureListView : public QListView
     QgsFeatureListModel *mModel;
     QItemSelectionModel* mCurrentEditSelectionModel;
     QgsFeatureSelectionModel* mFeatureSelectionModel;
+    QgsIFeatureSelectionManager* mFeatureSelectionManager;
     QgsFeatureListViewDelegate* mItemDelegate;
     bool mEditSelectionDrag; // Is set to true when the user initiated a left button click over an edit button and still keeps pressing /**< TODO */
     int mRowAnchor;

src/gui/qgsfeatureselectiondlg.cpp

@@ -17,8 +17,11 @@
 
 #include "qgsgenericfeatureselectionmanager.h"
 #include "qgsdistancearea.h"
+#include "qgsfeaturerequest.h"
+#include "qgsattributeeditorcontext.h"
 
-QgsFeatureSelectionDlg::QgsFeatureSelectionDlg( QgsVectorLayer* vl, QWidget *parent )
+
+QgsFeatureSelectionDlg::QgsFeatureSelectionDlg( QgsVectorLayer* vl, QgsAttributeEditorContext &context, QWidget *parent )
     : QDialog( parent )
     , mVectorLayer( vl )
 {
@@ -29,7 +32,7 @@ QgsFeatureSelectionDlg::QgsFeatureSelectionDlg( QgsVectorLayer* vl, QWidget *par
   mDualView->setFeatureSelectionManager( mFeatureSelection );
 
   // TODO: Proper QgsDistanceArea, proper mapcanvas
-  mDualView->init( mVectorLayer, NULL );
+  mDualView->init( mVectorLayer, NULL, QgsFeatureRequest(), context );
 }
 
 const QgsFeatureIds& QgsFeatureSelectionDlg::selectedFeatures()

src/gui/qgsfeatureselectiondlg.h

@@ -25,7 +25,7 @@ class GUI_EXPORT QgsFeatureSelectionDlg : public QDialog, private Ui::QgsFeature
     Q_OBJECT
 
   public:
-    explicit QgsFeatureSelectionDlg( QgsVectorLayer* vl, QWidget *parent = 0 );
+    explicit QgsFeatureSelectionDlg( QgsVectorLayer* vl, QgsAttributeEditorContext &context, QWidget *parent = 0 );
 
     const QgsFeatureIds& selectedFeatures();
 

src/gui/qgsrelationeditorwidget.cpp

@@ -219,7 +219,7 @@ void QgsRelationEditorWidget::addFeature()
 
 void QgsRelationEditorWidget::linkFeature()
 {
-  QgsFeatureSelectionDlg selectionDlg( mRelation.referencingLayer(), this );
+  QgsFeatureSelectionDlg selectionDlg( mRelation.referencingLayer(), mEditorContext , this );
 
   if ( selectionDlg.exec() )
   {