Relation managment: enable the remove button when selection

pvalsecc · m-kuhn · commit 4234ad5c3523 · 2016-11-08T16:28:07.000+01:00
If nothing is selected, this button is doing nothing.
diff --git a/src/app/qgsrelationmanagerdialog.cpp b/src/app/qgsrelationmanagerdialog.cpp
@@ -25,6 +25,9 @@ QgsRelationManagerDialog::QgsRelationManagerDialog( QgsRelationManager* relation
     , mRelationManager( relationMgr )
 {
   setupUi( this );
+
+  mBtnRemoveRelation->setEnabled( false );
+  connect( mRelationsTable->selectionModel(), &QItemSelectionModel::selectionChanged, this, &QgsRelationManagerDialog::onSelectionChanged );
 }
 
 QgsRelationManagerDialog::~QgsRelationManagerDialog()
@@ -158,3 +161,7 @@ QList< QgsRelation > QgsRelationManagerDialog::relations()
   return relations;
 }
 
+void QgsRelationManagerDialog::onSelectionChanged()
+{
+  mBtnRemoveRelation->setEnabled( mRelationsTable->selectionModel()->hasSelection() );
+}
diff --git a/src/app/qgsrelationmanagerdialog.h b/src/app/qgsrelationmanagerdialog.h
@@ -37,10 +37,11 @@ class APP_EXPORT QgsRelationManagerDialog : public QWidget, private Ui::QgsRelat
     void addRelation( const QgsRelation& rel );
     QList< QgsRelation > relations();
 
-  public slots:
+  private slots:
     void on_mBtnAddRelation_clicked();
     void on_mBtnDiscoverRelations_clicked();
     void on_mBtnRemoveRelation_clicked();
+    void onSelectionChanged();
 
   private:
     QgsRelationManager* mRelationManager;

Original file line number	Diff line number	Diff line change
`@@ -25,6 +25,9 @@ QgsRelationManagerDialog::QgsRelationManagerDialog( QgsRelationManager* relation`
`25`	`25`	`, mRelationManager( relationMgr )`
`26`	`26`	`{`
`27`	`27`	`setupUi( this );`
	`28`	`+`
	`29`	`+ mBtnRemoveRelation->setEnabled( false );`
	`30`	`+ connect( mRelationsTable->selectionModel(), &QItemSelectionModel::selectionChanged, this, &QgsRelationManagerDialog::onSelectionChanged );`
`28`	`31`	`}`
`29`	`32`
`30`	`33`	`QgsRelationManagerDialog::~QgsRelationManagerDialog()`
`@@ -158,3 +161,7 @@ QList< QgsRelation > QgsRelationManagerDialog::relations()`
`158`	`161`	`return relations;`
`159`	`162`	`}`
`160`	`163`
	`164`	`+void QgsRelationManagerDialog::onSelectionChanged()`
	`165`	`+{`
	`166`	`+ mBtnRemoveRelation->setEnabled( mRelationsTable->selectionModel()->hasSelection() );`
	`167`	`+}`