TechDraw: fixes for dimension feature:

* reimplement ViewProviderDimension::setupContextMenu() to show menu item to start editing it
* fix TaskDimension::accept() and TaskDimension::reject()

src/Mod/TechDraw/Gui/TaskDimension.cpp

@@ -133,32 +133,24 @@ TaskDimension::~TaskDimension()
 
 bool TaskDimension::accept()
 {
-    m_parent->dvDimension->TheoreticalExact.setValue(ui->cbTheoreticallyExact->isChecked());
-    m_parent->dvDimension->EqualTolerance.setValue(ui->cbEqualTolerance->isChecked());
-    m_parent->dvDimension->OverTolerance.setValue(ui->qsbOvertolerance->value().getValue());
-    m_parent->dvDimension->UnderTolerance.setValue(ui->qsbUndertolerance->value().getValue());
-
-    m_parent->dvDimension->FormatSpec.setValue(ui->leFormatSpecifier->text().toUtf8().constData());
-    m_parent->dvDimension->Arbitrary.setValue(ui->cbArbitrary->isChecked());
-    m_parent->dvDimension->FormatSpecOverTolerance.setValue(ui->leFormatSpecifierOverTolerance->text().toUtf8().constData());
-    m_parent->dvDimension->FormatSpecUnderTolerance.setValue(ui->leFormatSpecifierUnderTolerance->text().toUtf8().constData());
-    m_parent->dvDimension->ArbitraryTolerances.setValue(ui->cbArbitraryTolerances->isChecked());
-
-    m_dimensionVP->FlipArrowheads.setValue(ui->cbArrowheads->isChecked());
-    App::Color ac;
-    ac.setValue<QColor>(ui->dimensionColor->color());
-    m_dimensionVP->Color.setValue(ac);
-    m_dimensionVP->Fontsize.setValue(ui->qsbFontSize->value().getValue());
-    m_dimensionVP->StandardAndStyle.setValue(ui->comboDrawingStyle->currentIndex());
-
-    m_parent->updateView(true);
+    Gui::Document* doc = m_dimensionVP->getDocument();
+    m_dimensionVP->getObject()->purgeTouched();
+    doc->commitCommand();
+    doc->resetEdit();
 
     return true;
 }
 
 bool TaskDimension::reject()
 {
-    return false;
+    Gui::Document* doc = m_dimensionVP->getDocument();
+    doc->abortCommand();
+    recomputeFeature();
+    m_parent->updateView(true);
+    m_dimensionVP->getObject()->purgeTouched();
+    doc->resetEdit();
+
+    return true;
 }
 
 void TaskDimension::recomputeFeature()

src/Mod/TechDraw/Gui/TaskDimension.h

@@ -26,16 +26,13 @@
 #include <Gui/TaskView/TaskView.h>
 #include <Gui/TaskView/TaskDialog.h>
 
-#include <Mod/TechDraw/Gui/ui_TaskDimension.h>
-
 #include "QGIViewDimension.h"
 #include "ViewProviderDimension.h"
 
-class Ui_TaskDimension;
-
 namespace TechDrawGui
 {
 
+class Ui_TaskDimension;
 class TaskDimension : public QWidget
 {
     Q_OBJECT

src/Mod/TechDraw/Gui/ViewProviderDimension.cpp

@@ -25,6 +25,8 @@
 #include "PreCompiled.h"
 
 #ifndef _PreComp_
+# include <QAction>
+# include <QMenu>
 #endif
 
 #include <QColor>
@@ -38,6 +40,8 @@
 #include <App/Document.h>
 #include <App/DocumentObject.h>
 #include <App/Material.h>
+#include <Gui/ActionFunction.h>
+#include <Gui/Command.h>
 #include <Gui/Control.h>
 
 #include <Mod/TechDraw/App/LineGroup.h>
@@ -115,6 +119,33 @@ std::vector<std::string> ViewProviderDimension::getDisplayModes(void) const
     return StrList;
 }
 
+bool ViewProviderDimension::doubleClicked(void)
+{
+    startDefaultEditMode();
+    return true;
+}
+
+void ViewProviderDimension::setupContextMenu(QMenu* menu, QObject* receiver, const char* member)
+{
+    Gui::ActionFunction* func = new Gui::ActionFunction(menu);
+    QAction* act = menu->addAction(QObject::tr("Edit %1").arg(QString::fromUtf8(getObject()->Label.getValue())));
+    act->setData(QVariant((int)ViewProvider::Default));
+    func->trigger(act, boost::bind(&ViewProviderDimension::startDefaultEditMode, this));
+
+    ViewProviderDrawingView::setupContextMenu(menu, receiver, member);
+}
+
+void ViewProviderDimension::startDefaultEditMode()
+{
+    QString text = QObject::tr("Edit %1").arg(QString::fromUtf8(getObject()->Label.getValue()));
+    Gui::Command::openCommand(text.toUtf8());
+
+    Gui::Document* document = this->getDocument();
+    if (document) {
+        document->setEdit(this, ViewProvider::Default);
+    }
+}
+
 bool ViewProviderDimension::setEdit(int ModNum)
 {
     if (ModNum == ViewProvider::Default) {
@@ -145,12 +176,6 @@ void ViewProviderDimension::unsetEdit(int ModNum)
     }
 }
 
-bool ViewProviderDimension::doubleClicked(void)
-{
-    setEdit(ViewProvider::Default);
-    return true;
-}
-
 void ViewProviderDimension::updateData(const App::Property* p)
 {
     if (p == &(getViewObject()->Type)) {

src/Mod/TechDraw/Gui/ViewProviderDimension.h

@@ -72,6 +72,7 @@ public:
     virtual std::vector<std::string> getDisplayModes(void) const;
     virtual void updateData(const App::Property*);
     virtual void onChanged(const App::Property* p);
+    virtual void setupContextMenu(QMenu*, QObject*, const char*);
     virtual bool setEdit(int ModNum);
     virtual void unsetEdit(int ModNum);
     virtual bool doubleClicked(void);
@@ -88,6 +89,9 @@ public:
 protected:
     virtual void handleChangedPropertyType(Base::XMLReader &reader, const char *TypeName, App::Property * prop);
 
+private:
+    void startDefaultEditMode();
+
 private:
     static const char *StandardAndStyleEnums[];
     static const char *RenderingExtentEnums[];