implementation for containers

signedav · signedav · commit 4da6e6975a8a · 2018-09-11T07:04:25.000+02:00
and changed to string of formMode in the attributeformcontext
diff --git a/python/gui/auto_generated/qgsattributeeditorcontext.sip.in b/python/gui/auto_generated/qgsattributeeditorcontext.sip.in
@@ -208,28 +208,20 @@ Set current ``feature`` for the currently edited form or table row
 .. versionadded:: 3.2
 %End
 
-    Mode attributeFormMode() const;
+    QString attributeFormMode() const;
 %Docstring
 Returns current attributeFormMode
 
 .. versionadded:: 3.4
 %End
 
-    void setAttributeFormMode( const Mode attributeFormMode );
+    void setAttributeFormMode( const QString &attributeFormMode );
 %Docstring
 Set ``attributeFormMode`` for the edited form
 
 .. versionadded:: 3.4
 %End
 
-    QString attributeFormModeString() const;
-%Docstring
-Returns the context as string
-
-.. versionadded:: 3.4
-%End
-
-
 };
 
 
diff --git a/python/gui/auto_generated/qgsattributeform.sip.in b/python/gui/auto_generated/qgsattributeform.sip.in
@@ -89,6 +89,13 @@ Sets the current mode of the form.
 .. seealso:: :py:func:`mode`
 
 .. versionadded:: 2.16
+%End
+
+    QString modeString( Mode mode ) const;
+%Docstring
+Returns the context as string of ``mode``
+
+.. versionadded:: 3.4
 %End
 
     void setEditCommandMessage( const QString &message );
diff --git a/src/gui/editorwidgets/qgsqmlwidgetwrapper.cpp b/src/gui/editorwidgets/qgsqmlwidgetwrapper.cpp
@@ -86,7 +86,7 @@ void QgsQmlWidgetWrapper::setQmlContext( )
     return;
 
   QgsExpressionContext expressionContext = layer()->createExpressionContext();
-  expressionContext << QgsExpressionContextUtils::formScope( mFeature, context().attributeFormModeString() );
+  expressionContext << QgsExpressionContextUtils::formScope( mFeature, context().attributeFormMode() );
   expressionContext.setFeature( mFeature );
 
   QmlExpression *qmlExpression = new QmlExpression();
diff --git a/src/gui/qgsattributeeditorcontext.h b/src/gui/qgsattributeeditorcontext.h
@@ -220,37 +220,13 @@ class GUI_EXPORT QgsAttributeEditorContext
      * Returns current attributeFormMode
      * \since QGIS 3.4
      */
-    Mode attributeFormMode() const { return mAttributeFormMode; }
+    QString attributeFormMode() const { return mAttributeFormMode; }
 
     /**
      * Set \a attributeFormMode for the edited form
      * \since QGIS 3.4
      */
-    void setAttributeFormMode( const Mode attributeFormMode ) { mAttributeFormMode = attributeFormMode; }
-
-    /**
-     * Returns the context as string
-     * \since QGIS 3.4
-     */
-    QString attributeFormModeString() const
-    {
-      switch ( mAttributeFormMode )
-      {
-        case SingleEditMode:
-          return QStringLiteral( "SingleEditMode" );
-        case AddFeatureMode:
-          return QStringLiteral( "AddFeatureMode" );
-        case MultiEditMode:
-          return QStringLiteral( "MultiEditMode" );
-        case SearchMode:
-          return QStringLiteral( "SearchMode" );
-        case AggregateSearchMode:
-          return QStringLiteral( "AggregateSearchMode" );
-        case IdentifyMode:
-          return QStringLiteral( "IdentifyMode" );
-      }
-    }
-
+    void setAttributeFormMode( const QString &attributeFormMode ) { mAttributeFormMode = attributeFormMode; }
 
   private:
     const QgsAttributeEditorContext *mParentContext = nullptr;
@@ -264,7 +240,7 @@ class GUI_EXPORT QgsAttributeEditorContext
     QgsFeature mFormFeature;
     FormMode mFormMode = Embed;
     bool mAllowCustomUi = true;
-    Mode mAttributeFormMode = QgsAttributeEditorContext::SingleEditMode;
+    QString mAttributeFormMode = QStringLiteral( "SingleEditMode" );
 };
 
 #endif // QGSATTRIBUTEEDITORCONTEXT_H
diff --git a/src/gui/qgsattributeform.cpp b/src/gui/qgsattributeform.cpp
@@ -187,7 +187,7 @@ void QgsAttributeForm::setMode( QgsAttributeForm::Mode mode )
   for ( QgsWidgetWrapper *w : qgis::as_const( mWidgets ) )
   {
     QgsAttributeEditorContext newContext = w->context();
-    newContext.setAttributeFormMode( ( QgsAttributeEditorContext::Mode )mode );
+    newContext.setAttributeFormMode( modeString( mMode ) );
     w->setContext( newContext );
   }
 
@@ -234,6 +234,25 @@ void QgsAttributeForm::setMode( QgsAttributeForm::Mode mode )
   emit modeChanged( mMode );
 }
 
+QString QgsAttributeForm::modeString( Mode mode ) const
+{
+  switch ( mode )
+  {
+    case SingleEditMode:
+      return QStringLiteral( "SingleEditMode" );
+    case AddFeatureMode:
+      return QStringLiteral( "AddFeatureMode" );
+    case MultiEditMode:
+      return QStringLiteral( "MultiEditMode" );
+    case SearchMode:
+      return QStringLiteral( "SearchMode" );
+    case AggregateSearchMode:
+      return QStringLiteral( "AggregateSearchMode" );
+    case IdentifyMode:
+      return QStringLiteral( "IdentifyMode" );
+  }
+}
+
 void QgsAttributeForm::changeAttribute( const QString &field, const QVariant &value, const QString &hintText )
 {
   Q_FOREACH ( QgsWidgetWrapper *ww, mWidgets )
@@ -804,6 +823,7 @@ void QgsAttributeForm::updateConstraints( QgsEditorWidgetWrapper *eww )
     synchronizeEnabledState();
 
     mExpressionContext.setFeature( ft );
+    mExpressionContext << QgsExpressionContextUtils::formScope( ft, modeString( mMode ) );
 
     // Recheck visibility for all containers which are controlled by this value
     const QVector<ContainerInformation *> infos = mContainerInformationDependency.value( eww->field().name() );
@@ -1784,7 +1804,7 @@ QgsAttributeForm::WidgetInfo QgsAttributeForm::createWidgetFromDef( const QgsAtt
       QgsQmlWidgetWrapper *qmlWrapper = new QgsQmlWidgetWrapper( mLayer, nullptr, this );
       qmlWrapper->setQmlCode( elementDef->qmlCode() );
       qmlWrapper->setConfig( mLayer->editFormConfig().widgetConfig( elementDef->name() ) );
-      context.setAttributeFormMode( ( QgsAttributeEditorContext::Mode ) mode() );
+      context.setAttributeFormMode( modeString( mMode ) );
       qmlWrapper->setContext( context );
 
       mWidgets.append( qmlWrapper );
diff --git a/src/gui/qgsattributeform.h b/src/gui/qgsattributeform.h
@@ -130,6 +130,12 @@ class GUI_EXPORT QgsAttributeForm : public QWidget
      */
     void setMode( Mode mode );
 
+    /**
+     * Returns the context as string of \a mode
+     * \since QGIS 3.4
+     */
+    QString modeString( Mode mode ) const;
+
     /**
      * Sets the edit command message (Undo) that will be used when the dialog is accepted
      *
