Work in progress

python/core/auto_generated/qgsattributeeditorelement.sip.in

@@ -47,7 +47,8 @@ layer.
       AeTypeContainer,
       AeTypeField,
       AeTypeRelation,
-      AeTypeInvalid
+      AeTypeInvalid,
+      AeTypeQmlElement
     };
 
     QgsAttributeEditorElement( AttributeEditorType type, const QString &name, QgsAttributeEditorElement *parent = 0 );
@@ -345,6 +346,19 @@ Determines if the "unlink feature" button should be shown
 
 };
 
+class QgsAttributeEditorQmlElement : QgsAttributeEditorElement
+{
+
+%TypeHeaderCode
+#include "qgsattributeeditorelement.h"
+%End
+  public:
+    QgsAttributeEditorQmlElement( QgsAttributeEditorElement *parent );
+
+    QString qmlCode() const;
+    void setQmlCode( const QString &qmlCode );
+
+};
 
 /************************************************************************
  * This file has been generated automatically from                      *

python/gui/auto_generated/editorwidgets/core/qgswidgetwrapper.sip.in

@@ -14,6 +14,7 @@
 // so RTTI for casting is available in the whole module.
 %ModuleCode
 #include "qgsrelationwidgetwrapper.h"
+#include "qgsqmlwidgetwrapper.h"
 %End
 
 class QgsWidgetWrapper : QObject
@@ -37,6 +38,8 @@ changed status of the widget will be saved.
       sipType = sipType_QgsEditorWidgetWrapper;
     else if ( qobject_cast<QgsRelationWidgetWrapper *>( sipCpp ) )
       sipType = sipType_QgsRelationWidgetWrapper;
+    else if ( qobject_cast<QgsQmlWidgetWrapper *>( sipCpp ) )
+      sipType = sipType_QgsQmlWidgetWrapper;
     else
       sipType = 0;
 %End

python/gui/auto_generated/editorwidgets/qgsqmlwidgetwrapper.sip.in

@@ -0,0 +1,57 @@
+/************************************************************************
+ * This file has been generated automatically from                      *
+ *                                                                      *
+ * src/gui/editorwidgets/qgsqmlwidgetwrapper.h                          *
+ *                                                                      *
+ * Do not edit manually ! Edit header and run scripts/sipify.pl again   *
+ ************************************************************************/
+
+
+class QgsQmlWidgetWrapper : QgsWidgetWrapper
+{
+%Docstring
+*************************************************************************
+qgsqmlwidgetwrapper.h
+
+---------------------
+begin                : 25.6.2018
+copyright            : (C) 2018 by Matthias Kuhn
+email                : matthias@opengis.ch
+**************************************************************************
+
+This program is free software; you can redistribute it and/or modify  *
+it under the terms of the GNU General Public License as published by  *
+the Free Software Foundation; either version 2 of the License, or     *
+(at your option) any later version.                                   *
+
+**************************************************************************
+%End
+
+%TypeHeaderCode
+#include "qgsqmlwidgetwrapper.h"
+%End
+  public:
+    QgsQmlWidgetWrapper( QgsVectorLayer *layer, QWidget *editor, QWidget *parent );
+
+    virtual bool valid() const;
+
+
+    virtual QWidget *createWidget( QWidget *parent );
+
+
+    virtual void initWidget( QWidget *editor );
+
+
+  public slots:
+
+    virtual void setFeature( const QgsFeature &feature );
+
+};
+
+/************************************************************************
+ * This file has been generated automatically from                      *
+ *                                                                      *
+ * src/gui/editorwidgets/qgsqmlwidgetwrapper.h                          *
+ *                                                                      *
+ * Do not edit manually ! Edit header and run scripts/sipify.pl again   *
+ ************************************************************************/

python/gui/auto_generated/qgsqmlwidget.sip.in

@@ -0,0 +1,43 @@
+/************************************************************************
+ * This file has been generated automatically from                      *
+ *                                                                      *
+ * src/gui/qgsqmlwidget.h                                               *
+ *                                                                      *
+ * Do not edit manually ! Edit header and run scripts/sipify.pl again   *
+ ************************************************************************/
+
+
+class QgsQmlWidget
+{
+%Docstring
+*************************************************************************
+qgsqmlwidget.h
+
+---------------------
+begin                : 25.6.2018
+copyright            : (C) 2018 by Matthias Kuhn
+email                : matthias@opengis.ch
+**************************************************************************
+
+This program is free software; you can redistribute it and/or modify  *
+it under the terms of the GNU General Public License as published by  *
+the Free Software Foundation; either version 2 of the License, or     *
+(at your option) any later version.                                   *
+
+**************************************************************************
+%End
+
+%TypeHeaderCode
+#include "qgsqmlwidget.h"
+%End
+  public:
+    QgsQmlWidget();
+};
+
+/************************************************************************
+ * This file has been generated automatically from                      *
+ *                                                                      *
+ * src/gui/qgsqmlwidget.h                                               *
+ *                                                                      *
+ * Do not edit manually ! Edit header and run scripts/sipify.pl again   *
+ ************************************************************************/

python/gui/gui_auto.sip

@@ -322,4 +322,5 @@
 %Include auto_generated/processing/qgsprocessingtoolboxmodel.sip
 %Include auto_generated/processing/qgsprocessingtoolboxtreeview.sip
 %Include auto_generated/processing/qgsprocessingwidgetwrapper.sip
+%Include auto_generated/editorwidgets/qgsqmlwidgetwrapper.sip
 %Include auto_generated/qgsadvanceddigitizingcanvasitem.sip

src/core/qgsattributeeditorelement.cpp

@@ -150,3 +150,24 @@ void QgsAttributeEditorRelation::setShowUnlinkButton( bool showUnlinkButton )
 {
   mShowUnlinkButton = showUnlinkButton;
 }
+
+QString QgsAttributeEditorQmlElement::qmlCode() const
+{
+  return mQmlCode;
+}
+
+void QgsAttributeEditorQmlElement::setQmlCode( const QString &qmlCode )
+{
+  mQmlCode = qmlCode;
+}
+
+void QgsAttributeEditorQmlElement::saveConfiguration( QDomElement &elem ) const
+{
+  QDomText codeElem = elem.ownerDocument().createTextNode( mQmlCode );
+  elem.appendChild( codeElem );
+}
+
+QString QgsAttributeEditorQmlElement::typeIdentifier() const
+{
+  return QStringLiteral( "attributeEditorQmlElement" );
+}

src/core/qgsattributeeditorelement.h

@@ -61,7 +61,8 @@ class CORE_EXPORT QgsAttributeEditorElement SIP_ABSTRACT
       AeTypeContainer, //!< A container
       AeTypeField,     //!< A field
       AeTypeRelation,  //!< A relation
-      AeTypeInvalid    //!< Invalid
+      AeTypeInvalid,   //!< Invalid
+      AeTypeQmlElement //!< A QML element
     };
 
     /**
@@ -411,5 +412,20 @@ class CORE_EXPORT QgsAttributeEditorRelation : public QgsAttributeEditorElement
     bool mShowUnlinkButton = true;
 };
 
+class CORE_EXPORT QgsAttributeEditorQmlElement : public QgsAttributeEditorElement
+{
+  public:
+    QgsAttributeEditorQmlElement( QgsAttributeEditorElement *parent )
+      : QgsAttributeEditorElement( AeTypeQmlElement, "TODO NAME", parent )
+    {}
+
+    QString qmlCode() const;
+    void setQmlCode( const QString &qmlCode );
+
+  private:
+    void saveConfiguration( QDomElement &elem ) const override;
+    QString typeIdentifier() const override;
+    QString mQmlCode;
+};
 
 #endif // QGSATTRIBUTEEDITORELEMENT_H

src/core/qgseditformconfig.cpp

@@ -61,9 +61,9 @@ void QgsEditFormConfig::setFields( const QgsFields &fields )
 
 void QgsEditFormConfig::onRelationsLoaded()
 {
-  QList<QgsAttributeEditorElement *> relations = d->mInvisibleRootContainer->findElements( QgsAttributeEditorElement::AeTypeRelation );
+  const QList<QgsAttributeEditorElement *> relations = d->mInvisibleRootContainer->findElements( QgsAttributeEditorElement::AeTypeRelation );
 
-  Q_FOREACH ( QgsAttributeEditorElement *relElem, relations )
+  for ( QgsAttributeEditorElement *relElem : relations )
   {
     QgsAttributeEditorRelation *rel = dynamic_cast< QgsAttributeEditorRelation * >( relElem );
     if ( !rel )
@@ -599,7 +599,9 @@ QgsAttributeEditorElement *QgsAttributeEditorContainer::clone( QgsAttributeEdito
 {
   QgsAttributeEditorContainer *element = new QgsAttributeEditorContainer( name(), parent );
 
-  Q_FOREACH ( QgsAttributeEditorElement *child, children() )
+  const auto childElements = children();
+
+  for ( QgsAttributeEditorElement *child : childElements )
   {
     element->addChildElement( child->clone( element ) );
   }

src/gui/CMakeLists.txt

@@ -838,6 +838,25 @@ SET(QGIS_GUI_HDRS
 
   symbology/qgssymbolwidgetcontext.h
 )
+
+Find_Package(Qt5Qml)
+
+IF(Qt5Qml_FOUND)
+ADD_DEFINITIONS(-DWITH_QML)
+SET(QGIS_GUI_MOC_HDRS
+  ${QGIS_GUI_MOC_HDRS}
+  editorwidgets/qgsqmlwidgetwrapper.h
+  qgsqmlwidget.h
+)
+
+SET(QGIS_GUI_SRCS
+  ${QGIS_GUI_SRCS}
+  editorwidgets/qgsqmlwidgetwrapper.cpp
+  qgsqmlwidget.cpp
+)
+
+ENDIF(Qt5Qml_FOUND)
+
 SET_PROPERTY(GLOBAL PROPERTY QGIS_GUI_HDRS ${QGIS_GUI_HDRS})
 
 

src/gui/editorwidgets/core/qgswidgetwrapper.h

@@ -32,6 +32,7 @@ class QgsVectorLayer;
 // so RTTI for casting is available in the whole module.
 % ModuleCode
 #include "qgsrelationwidgetwrapper.h"
+#include "qgsqmlwidgetwrapper.h"
 % End
 #endif
 
@@ -56,6 +57,8 @@ class GUI_EXPORT QgsWidgetWrapper : public QObject
       sipType = sipType_QgsEditorWidgetWrapper;
     else if ( qobject_cast<QgsRelationWidgetWrapper *>( sipCpp ) )
       sipType = sipType_QgsRelationWidgetWrapper;
+    else if ( qobject_cast<QgsQmlWidgetWrapper *>( sipCpp ) )
+      sipType = sipType_QgsQmlWidgetWrapper;
     else
       sipType = 0;
     SIP_END

src/gui/editorwidgets/qgsqmlwidgetwrapper.cpp

@@ -0,0 +1,22 @@
+/***************************************************************************
+  qgsqmlwidgetwrapper.cpp
+
+ ---------------------
+ begin                : 25.6.2018
+ copyright            : (C) 2018 by Matthias Kuhn
+ email                : matthias@opengis.ch
+ ***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+#include "qgsqmlwidgetwrapper.h"
+
+QgsQmlWidgetWrapper::QgsQmlWidgetWrapper( QgsVectorLayer *layer, QWidget *editor, QWidget *parent )
+  : QgsWidgetWrapper( layer, editor, parent )
+{
+
+}

src/gui/editorwidgets/qgsqmlwidgetwrapper.h

@@ -0,0 +1,37 @@
+/***************************************************************************
+  qgsqmlwidgetwrapper.h
+
+ ---------------------
+ begin                : 25.6.2018
+ copyright            : (C) 2018 by Matthias Kuhn
+ email                : matthias@opengis.ch
+ ***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+#ifndef QGSQMLWIDGETWRAPPER_H
+#define QGSQMLWIDGETWRAPPER_H
+
+#include "qgswidgetwrapper.h"
+
+class GUI_EXPORT QgsQmlWidgetWrapper : public QgsWidgetWrapper
+{
+  public:
+    QgsQmlWidgetWrapper( QgsVectorLayer *layer, QWidget *editor, QWidget *parent );
+
+    bool valid() const override;
+
+    QWidget *createWidget( QWidget *parent ) override;
+
+    void initWidget( QWidget *editor ) override;
+
+  public slots:
+
+    void setFeature( const QgsFeature &feature ) override;
+};
+
+#endif // QGSQMLWIDGETWRAPPER_H

src/gui/qgsattributeform.cpp

@@ -37,6 +37,7 @@
 #include "qgsgui.h"
 #include "qgsvectorlayerjoinbuffer.h"
 #include "qgsvectorlayerutils.h"
+#include "qgsqmlwidgetwrapper.h"
 
 #include <QDir>
 #include <QTextStream>
@@ -1709,9 +1710,9 @@ QgsAttributeForm::WidgetInfo QgsAttributeForm::createWidgetFromDef( const QgsAtt
       int row = 0;
       int column = 0;
 
-      QList<QgsAttributeEditorElement *> children = container->children();
+      const QList<QgsAttributeEditorElement *> children = container->children();
 
-      Q_FOREACH ( QgsAttributeEditorElement *childDef, children )
+      for ( QgsAttributeEditorElement *childDef : children )
       {
         WidgetInfo widgetInfo = createWidgetFromDef( childDef, myContainer, vl, context );
 
@@ -1769,6 +1770,25 @@ QgsAttributeForm::WidgetInfo QgsAttributeForm::createWidgetFromDef( const QgsAtt
       break;
     }
 
+    case QgsAttributeEditorElement::AeTypeQmlElement:
+    {
+      const QgsAttributeEditorQmlElement *elementDef = static_cast<const QgsAttributeEditorQmlElement *>( widgetDef );
+
+      QgsQmlWidgetWrapper *qmlWrapper = new QgsQmlWidgetWrapper( mLayer, nullptr, this );
+      qmlWrapper->setConfig( mLayer->editFormConfig().widgetConfig( "TODO NAME??" ) );
+      qmlWrapper->setContext( context );
+
+      // QgsAttributeFormRelationEditorWidget *formWidget = new QgsAttributeFormRelationEditorWidget( rww, this );
+
+      mWidgets.append( qmlWrapper );
+      // mFormWidgets.append( formWidget );
+
+      newWidgetInfo.widget = qmlWrapper->widget();
+      newWidgetInfo.labelText = QString();
+      newWidgetInfo.labelOnTop = true;
+      break;
+    }
+
     default:
       QgsDebugMsg( "Unknown attribute editor widget type encountered..." );
       break;

src/gui/qgsqmlwidget.cpp

@@ -0,0 +1,21 @@
+/***************************************************************************
+  qgsqmlwidget.cpp
+
+ ---------------------
+ begin                : 25.6.2018
+ copyright            : (C) 2018 by Matthias Kuhn
+ email                : matthias@opengis.ch
+ ***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+#include "qgsqmlwidget.h"
+
+QgsQmlWidget::QgsQmlWidget()
+{
+
+}

src/gui/qgsqmlwidget.h

@@ -0,0 +1,27 @@
+/***************************************************************************
+  qgsqmlwidget.h
+
+ ---------------------
+ begin                : 25.6.2018
+ copyright            : (C) 2018 by Matthias Kuhn
+ email                : matthias@opengis.ch
+ ***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+#ifndef QGSQMLWIDGET_H
+#define QGSQMLWIDGET_H
+
+#include "qgis_gui.h"
+
+class GUI_EXPORT QgsQmlWidget
+{
+  public:
+    QgsQmlWidget();
+};
+
+#endif // QGSQMLWIDGET_H