+ fixes #1698: All drawing pages are opened automatically when openin…

…g a project file

src/Mod/Drawing/Gui/DrawingView.cpp

@@ -58,7 +58,9 @@
 #include <Base/Stream.h>
 #include <Base/gzstream.h>
 #include <Base/PyObjectBase.h>
+#include <App/Document.h>
 #include <Gui/Document.h>
+#include <Gui/ViewProvider.h>
 #include <Gui/FileDialog.h>
 #include <Gui/WaitCursor.h>
 
@@ -249,6 +251,10 @@ DrawingView::DrawingView(Gui::Document* doc, QWidget* parent)
     //setWindowTitle(tr("SVG Viewer"));
 }
 
+DrawingView::~DrawingView()
+{
+}
+
 void DrawingView::load (const QString & fileName)
 {
     if (!fileName.isEmpty()) {
@@ -274,6 +280,27 @@ void DrawingView::load (const QString & fileName)
     }
 }
 
+void DrawingView::setDocumentObject(const std::string& name)
+{
+    m_objectName = name;
+}
+
+void DrawingView::closeEvent(QCloseEvent* ev)
+{
+    ev->accept();
+
+    // when closing the view from GUI notify the view provider to mark it invisible
+    if (_pcDocument && !m_objectName.empty()) {
+        App::Document* doc = _pcDocument->getDocument();
+        if (doc) {
+            App::DocumentObject* obj = doc->getObject(m_objectName.c_str());
+            Gui::ViewProvider* vp = _pcDocument->getViewProvider(obj);
+            if (vp)
+                vp->hide();
+        }
+    }
+}
+
 void DrawingView::contextMenuEvent(QContextMenuEvent *event)
 {
     QMenu menu;

src/Mod/Drawing/Gui/DrawingView.h

@@ -80,6 +80,7 @@ class DrawingGuiExport DrawingView : public Gui::MDIView
 
 public:
     DrawingView(Gui::Document* doc, QWidget* parent = 0);
+    virtual ~DrawingView();
 
 public Q_SLOTS:
     void load(const QString &path = QString());
@@ -94,10 +95,12 @@ public Q_SLOTS:
     void printPdf();
     void printPreview();
     void print(QPrinter* printer);
+    void setDocumentObject(const std::string&);
     PyObject* getPyObject();
 
 protected:
     void contextMenuEvent(QContextMenuEvent *event);
+    void closeEvent(QCloseEvent*);
 
 private:
     QAction *m_nativeAction;
@@ -108,6 +111,7 @@ public Q_SLOTS:
     QAction *m_outlineAction;
 
     SvgView *m_view;
+    std::string m_objectName;
 
     QString m_currentPath;
 };

src/Mod/Drawing/Gui/ViewProviderPage.cpp

@@ -66,6 +66,10 @@ ViewProviderDrawingPage::ViewProviderDrawingPage()
     ADD_PROPERTY(HintScale,(10.0));
     ADD_PROPERTY(HintOffsetX,(10.0));
     ADD_PROPERTY(HintOffsetY,(10.0));
+
+    // do not show this in the property editor
+    Visibility.StatusBits.set(3, true);
+    DisplayMode.StatusBits.set(3, true);
 }
 
 ViewProviderDrawingPage::~ViewProviderDrawingPage()
@@ -91,17 +95,40 @@ std::vector<std::string> ViewProviderDrawingPage::getDisplayModes(void) const
     return StrList;
 }
 
+void ViewProviderDrawingPage::show(void)
+{
+    // showing the drawing page should not affect its children but opens the MDI view
+    // therefore do not call the method of its direct base class
+    ViewProviderDocumentObject::show();
+    if (!this->view) {
+        showDrawingView();
+        this->view->load(QString::fromUtf8(getPageObject()->PageResult.getValue()));
+        view->viewAll();
+    }
+}
+
+void ViewProviderDrawingPage::hide(void)
+{
+    // hiding the drawing page should not affect its children but closes the MDI view
+    // therefore do not call the method of its direct base class
+    ViewProviderDocumentObject::hide();
+    if (view) {
+        view->parentWidget()->deleteLater();
+    }
+}
+
 void ViewProviderDrawingPage::updateData(const App::Property* prop)
 {
     Gui::ViewProviderDocumentObjectGroup::updateData(prop);
     if (prop->getTypeId() == App::PropertyFileIncluded::getClassTypeId()) {
         if (std::string(getPageObject()->PageResult.getValue()) != "") {
-            DrawingView* view = showDrawingView();
-            view->load(QString::fromUtf8(getPageObject()->PageResult.getValue()));
-            if (view->isHidden())
-                QTimer::singleShot(300, view, SLOT(viewAll()));
-            else
-                view->viewAll();
+            if (view) {
+                view->load(QString::fromUtf8(getPageObject()->PageResult.getValue()));
+                if (view->isHidden())
+                    QTimer::singleShot(300, view, SLOT(viewAll()));
+                else
+                    view->viewAll();
+            }
         }
     }
     else if (pcObject && prop == &pcObject->Label) {
@@ -129,11 +156,7 @@ bool ViewProviderDrawingPage::setEdit(int ModNum)
 
 bool ViewProviderDrawingPage::doubleClicked(void)
 {
-    if (!this->view) {
-        showDrawingView();
-        this->view->load(QString::fromUtf8(getPageObject()->PageResult.getValue()));
-        view->viewAll();
-    }
+    show();
     Gui::getMainWindow()->setActiveWindow(this->view);
     return true;
 }
@@ -149,6 +172,7 @@ DrawingView* ViewProviderDrawingPage::showDrawingView()
         const char* objname = pcObject->Label.getValue();
         view->setObjectName(QString::fromUtf8(objname));
         view->onRelabel(doc);
+        view->setDocumentObject(pcObject->getNameInDocument());
         Gui::getMainWindow()->addWindow(view);
     }
 

src/Mod/Drawing/Gui/ViewProviderPage.h

@@ -56,6 +56,10 @@ class DrawingGuiExport ViewProviderDrawingPage : public Gui::ViewProviderDocumen
     virtual bool useNewSelectionModel(void) const {return false;}
     /// returns a list of all possible modes
     virtual std::vector<std::string> getDisplayModes(void) const;
+    /// Hides the view provider
+    virtual void hide(void);
+    /// Shows the view provider
+    virtual void show(void);
 
     /// Is called by the tree if the user double click on the object
     virtual bool doubleClicked(void);