620 lines
23 KiB
C++
620 lines
23 KiB
C++
/***************************************************************************
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* Copyright (c) 2006 Werner Mayer <wmayer[at]users.sourceforge.net> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#ifndef GUI_VIEWPROVIDERPYTHONFEATURE_H
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#define GUI_VIEWPROVIDERPYTHONFEATURE_H
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#include <App/Application.h>
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#include <App/AutoTransaction.h>
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#include <Gui/ViewProviderGeometryObject.h>
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#include <Gui/Document.h>
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#include <App/PropertyPythonObject.h>
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#include <App/DynamicProperty.h>
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#include <App/FeaturePython.h>
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class SoSensor;
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class SoDragger;
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class SoNode;
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namespace Gui {
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class GuiExport ViewProviderPythonFeatureImp
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{
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public:
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enum ValueT {
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NotImplemented = 0, // not handled
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Accepted = 1, // handled and accepted
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Rejected = 2 // handled and rejected
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};
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/// constructor.
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ViewProviderPythonFeatureImp(ViewProviderDocumentObject*, App::PropertyPythonObject &);
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/// destructor.
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~ViewProviderPythonFeatureImp();
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// Returns the icon
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QIcon getIcon() const;
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bool claimChildren(std::vector<App::DocumentObject*>&) const;
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ValueT useNewSelectionModel() const;
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ValueT getElementPicked(const SoPickedPoint *pp, std::string &subname) const;
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bool getElement(const SoDetail *det, std::string &) const;
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bool getDetail(const char*, SoDetail *&det) const;
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ValueT getDetailPath(const char *name, SoFullPath *path, bool append, SoDetail *&det) const;
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std::vector<Base::Vector3d> getSelectionShape(const char* Element) const;
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ValueT setEdit(int ModNum);
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ValueT unsetEdit(int ModNum);
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ValueT setEditViewer(View3DInventorViewer*, int ModNum);
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ValueT unsetEditViewer(View3DInventorViewer*);
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ValueT doubleClicked(void);
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bool setupContextMenu(QMenu* menu);
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/** @name Update data methods*/
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//@{
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void attach(App::DocumentObject *pcObject);
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void updateData(const App::Property*);
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void onChanged(const App::Property* prop);
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void startRestoring();
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void finishRestoring();
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ValueT onDelete(const std::vector<std::string> & sub);
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ValueT canDelete(App::DocumentObject *obj) const;
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//@}
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/** @name Display methods */
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//@{
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/// Returns true if the icon must always appear enabled in the tree view
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ValueT isShow() const;
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/// get the default display mode
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bool getDefaultDisplayMode(std::string &mode) const;
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/// returns a list of all possible modes
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std::vector<std::string> getDisplayModes(void) const;
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/// set the display mode
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std::string setDisplayMode(const char* ModeName);
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//@}
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ValueT canRemoveChildrenFromRoot() const;
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/** @name Drag and drop */
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//@{
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/// Returns true if the view provider generally supports dragging objects
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ValueT canDragObjects() const;
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/// Check whether the object can be removed from the view provider by drag and drop
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ValueT canDragObject(App::DocumentObject*) const;
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/// Starts to drag the object
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ValueT dragObject(App::DocumentObject*);
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/// Returns true if the view provider generally accepts dropping of objects
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ValueT canDropObjects() const;
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/// Check whether the object can be dropped to the view provider by drag and drop
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ValueT canDropObject(App::DocumentObject*) const;
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/// If the dropped object type is accepted the object will be added as child
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ValueT dropObject(App::DocumentObject*);
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/** Return false to force drop only operation for a give object*/
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ValueT canDragAndDropObject(App::DocumentObject*) const;
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/** Query object dropping with full quanlified name */
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ValueT canDropObjectEx(App::DocumentObject *obj, App::DocumentObject *,
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const char *,const std::vector<std::string> &elements) const;
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/** Add an object with full quanlified name to the view provider by drag and drop */
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bool dropObjectEx(App::DocumentObject *obj, App::DocumentObject *,
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const char *, const std::vector<std::string> &elements, std::string &ret);
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ValueT replaceObject(App::DocumentObject *, App::DocumentObject *);
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//@}
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bool getLinkedViewProvider(ViewProviderDocumentObject *&res,
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std::string *subname, bool recursive) const;
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ValueT canAddToSceneGraph() const;
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bool getDropPrefix(std::string &prefix) const;
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private:
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ViewProviderDocumentObject* object;
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App::PropertyPythonObject &Proxy;
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bool has__object__;
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#define FC_PY_VIEW_OBJECT \
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FC_PY_ELEMENT(getIcon) \
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FC_PY_ELEMENT(claimChildren) \
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FC_PY_ELEMENT(useNewSelectionModel) \
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FC_PY_ELEMENT(getElementPicked) \
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FC_PY_ELEMENT(getElement) \
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FC_PY_ELEMENT(getDetail) \
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FC_PY_ELEMENT(getDetailPath) \
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FC_PY_ELEMENT(getSelectionShape) \
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FC_PY_ELEMENT(setEdit) \
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FC_PY_ELEMENT(unsetEdit) \
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FC_PY_ELEMENT(setEditViewer) \
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FC_PY_ELEMENT(unsetEditViewer) \
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FC_PY_ELEMENT(doubleClicked) \
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FC_PY_ELEMENT(setupContextMenu) \
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FC_PY_ELEMENT(attach) \
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FC_PY_ELEMENT(updateData) \
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FC_PY_ELEMENT(onChanged) \
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FC_PY_ELEMENT(startRestoring) \
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FC_PY_ELEMENT(finishRestoring) \
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FC_PY_ELEMENT(onDelete) \
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FC_PY_ELEMENT(canDelete) \
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FC_PY_ELEMENT(isShow) \
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FC_PY_ELEMENT(getDefaultDisplayMode) \
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FC_PY_ELEMENT(getDisplayModes) \
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FC_PY_ELEMENT(setDisplayMode) \
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FC_PY_ELEMENT(canRemoveChildrenFromRoot) \
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FC_PY_ELEMENT(canDragObjects) \
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FC_PY_ELEMENT(canDragObject) \
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FC_PY_ELEMENT(dragObject) \
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FC_PY_ELEMENT(canDropObjects) \
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FC_PY_ELEMENT(canDropObject) \
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FC_PY_ELEMENT(dropObject) \
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FC_PY_ELEMENT(canDragAndDropObject) \
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FC_PY_ELEMENT(canDropObjectEx) \
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FC_PY_ELEMENT(dropObjectEx) \
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FC_PY_ELEMENT(canAddToSceneGraph) \
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FC_PY_ELEMENT(getDropPrefix) \
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FC_PY_ELEMENT(replaceObject) \
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FC_PY_ELEMENT(getLinkedViewProvider) \
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#undef FC_PY_ELEMENT
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#define FC_PY_ELEMENT(_name) FC_PY_ELEMENT_DEFINE(_name)
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FC_PY_VIEW_OBJECT
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#undef FC_PY_ELEMENT
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#define FC_PY_ELEMENT(_name) FC_PY_ELEMENT_FLAG(_name)
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enum Flag {
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FC_PY_VIEW_OBJECT
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FlagMax,
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};
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typedef std::bitset<FlagMax> Flags;
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mutable Flags _Flags;
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public:
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void init(PyObject *pyobj);
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};
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template <class ViewProviderT>
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class ViewProviderPythonFeatureT : public ViewProviderT
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{
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PROPERTY_HEADER_WITH_OVERRIDE(Gui::ViewProviderPythonFeatureT<ViewProviderT>);
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public:
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/// constructor.
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ViewProviderPythonFeatureT() : _attached(false) {
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ADD_PROPERTY(Proxy,(Py::Object()));
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imp = new ViewProviderPythonFeatureImp(this,Proxy);
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}
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/// destructor.
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virtual ~ViewProviderPythonFeatureT() {
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delete imp;
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}
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// Returns the icon
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QIcon getIcon() const override {
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QIcon icon = imp->getIcon();
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if (icon.isNull())
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icon = ViewProviderT::getIcon();
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else
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icon = ViewProviderT::mergeOverlayIcons(icon);
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return icon;
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}
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std::vector<App::DocumentObject*> claimChildren() const override {
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std::vector<App::DocumentObject *> res;
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if(!imp->claimChildren(res))
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return ViewProviderT::claimChildren();
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return res;
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}
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/** @name Nodes */
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//@{
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virtual SoSeparator* getRoot() const override {
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return ViewProviderT::getRoot();
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}
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virtual SoSeparator* getFrontRoot() const override {
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return ViewProviderT::getFrontRoot();
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}
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// returns the root node of the Provider (3D)
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virtual SoSeparator* getBackRoot() const override {
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return ViewProviderT::getBackRoot();
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}
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//@}
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/** @name Selection handling */
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//@{
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virtual bool useNewSelectionModel() const override {
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switch(imp->useNewSelectionModel()) {
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case ViewProviderPythonFeatureImp::Accepted:
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return true;
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case ViewProviderPythonFeatureImp::Rejected:
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return false;
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default:
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return ViewProviderT::useNewSelectionModel();
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}
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}
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virtual bool getElementPicked(const SoPickedPoint *pp, std::string &subname) const override {
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auto ret = imp->getElementPicked(pp,subname);
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if(ret == ViewProviderPythonFeatureImp::NotImplemented)
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return ViewProviderT::getElementPicked(pp,subname);
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else if(ret == ViewProviderPythonFeatureImp::Accepted)
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return true;
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return false;
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}
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virtual std::string getElement(const SoDetail *det) const override {
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std::string name;
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if(!imp->getElement(det,name))
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return ViewProviderT::getElement(det);
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return name;
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}
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virtual SoDetail* getDetail(const char* name) const override {
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SoDetail *det = 0;
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if(imp->getDetail(name,det))
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return det;
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return ViewProviderT::getDetail(name);
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}
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virtual bool getDetailPath(const char *name, SoFullPath *path, bool append,SoDetail *&det) const override {
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auto ret = imp->getDetailPath(name,path,append,det);
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if(ret == ViewProviderPythonFeatureImp::NotImplemented)
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return ViewProviderT::getDetailPath(name,path,append,det);
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return ret == ViewProviderPythonFeatureImp::Accepted;
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}
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virtual std::vector<Base::Vector3d> getSelectionShape(const char* Element) const override {
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return ViewProviderT::getSelectionShape(Element);
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};
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//@}
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/** @name Update data methods*/
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//@{
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virtual void attach(App::DocumentObject *obj) override {
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// delay loading of the actual attach() method because the Python
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// view provider class is not attached yet
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ViewProviderT::pcObject = obj;
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}
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virtual void updateData(const App::Property* prop) override {
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imp->updateData(prop);
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ViewProviderT::updateData(prop);
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}
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virtual void getTaskViewContent(std::vector<Gui::TaskView::TaskContent*>& c) const override {
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ViewProviderT::getTaskViewContent(c);
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}
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virtual bool onDelete(const std::vector<std::string> & sub) override {
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switch(imp->onDelete(sub)) {
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case ViewProviderPythonFeatureImp::Accepted:
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return true;
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case ViewProviderPythonFeatureImp::Rejected:
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return false;
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default:
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return ViewProviderT::onDelete(sub);
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}
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}
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virtual bool canDelete(App::DocumentObject *obj) const override {
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switch(imp->canDelete(obj)) {
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case ViewProviderPythonFeatureImp::Accepted:
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return true;
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case ViewProviderPythonFeatureImp::Rejected:
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return false;
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default:
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return ViewProviderT::canDelete(obj);
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}
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}
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//@}
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/** @name Restoring view provider from document load */
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//@{
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virtual void startRestoring() override {
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ViewProviderT::startRestoring();
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imp->startRestoring();
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}
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virtual void finishRestoring() override {
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imp->finishRestoring();
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ViewProviderT::finishRestoring();
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}
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//@}
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/** @name Drag and drop */
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//@{
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/// Returns true if the view provider generally supports dragging objects
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virtual bool canDragObjects() const override {
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switch (imp->canDragObjects()) {
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case ViewProviderPythonFeatureImp::Accepted:
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return true;
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case ViewProviderPythonFeatureImp::Rejected:
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return false;
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default:
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return ViewProviderT::canDragObjects();
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}
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}
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/// Check whether the object can be removed from the view provider by drag and drop
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virtual bool canDragObject(App::DocumentObject* obj) const override {
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switch (imp->canDragObject(obj)) {
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case ViewProviderPythonFeatureImp::Accepted:
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return true;
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case ViewProviderPythonFeatureImp::Rejected:
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return false;
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default:
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return ViewProviderT::canDragObject(obj);
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}
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}
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/// Starts to drag the object
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virtual void dragObject(App::DocumentObject* obj) override {
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App::AutoTransaction committer;
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switch (imp->dragObject(obj)) {
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case ViewProviderPythonFeatureImp::Accepted:
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case ViewProviderPythonFeatureImp::Rejected:
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return;
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default:
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return ViewProviderT::dragObject(obj);
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}
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}
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/// Returns true if the view provider generally accepts dropping of objects
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virtual bool canDropObjects() const override {
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switch (imp->canDropObjects()) {
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case ViewProviderPythonFeatureImp::Accepted:
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return true;
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case ViewProviderPythonFeatureImp::Rejected:
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return false;
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default:
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return ViewProviderT::canDropObjects();
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}
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}
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/// Check whether the object can be dropped to the view provider by drag and drop
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virtual bool canDropObject(App::DocumentObject* obj) const override {
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switch (imp->canDropObject(obj)) {
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case ViewProviderPythonFeatureImp::Accepted:
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return true;
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case ViewProviderPythonFeatureImp::Rejected:
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return false;
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default:
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return ViewProviderT::canDropObject(obj);
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}
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}
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/// If the dropped object type is accepted the object will be added as child
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virtual void dropObject(App::DocumentObject* obj) override {
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App::AutoTransaction committer;
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switch (imp->dropObject(obj)) {
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case ViewProviderPythonFeatureImp::Accepted:
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case ViewProviderPythonFeatureImp::Rejected:
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return;
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default:
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return ViewProviderT::dropObject(obj);
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}
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}
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/** Return false to force drop only operation for a give object*/
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virtual bool canDragAndDropObject(App::DocumentObject *obj) const override {
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switch (imp->canDragAndDropObject(obj)) {
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case ViewProviderPythonFeatureImp::Accepted:
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return true;
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case ViewProviderPythonFeatureImp::Rejected:
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return false;
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default:
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return ViewProviderT::canDragAndDropObject(obj);
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}
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}
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virtual bool canDropObjectEx(App::DocumentObject *obj, App::DocumentObject *owner,
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const char *subname, const std::vector<std::string> &elements) const override
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{
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switch (imp->canDropObjectEx(obj,owner,subname,elements)) {
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case ViewProviderPythonFeatureImp::Accepted:
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return true;
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case ViewProviderPythonFeatureImp::Rejected:
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return false;
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default:
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return ViewProviderT::canDropObjectEx(obj,owner,subname,elements);
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}
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}
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/** Add an object with full quanlified name to the view provider by drag and drop */
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virtual std::string dropObjectEx(App::DocumentObject *obj, App::DocumentObject *owner,
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const char *subname, const std::vector<std::string> &elements) override
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{
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App::AutoTransaction committer;
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std::string ret;
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if(!imp->dropObjectEx(obj,owner,subname,elements,ret))
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ret = ViewProviderT::dropObjectEx(obj,owner,subname,elements);
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return ret;
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}
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//@}
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/** @name Display methods */
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//@{
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/// Returns true if the icon must always appear enabled in the tree view
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virtual bool isShow() const override {
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switch(imp->isShow()) {
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case ViewProviderPythonFeatureImp::Accepted:
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return true;
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case ViewProviderPythonFeatureImp::Rejected:
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return false;
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default:
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return ViewProviderT::isShow();
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}
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}
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/// get the default display mode
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virtual const char* getDefaultDisplayMode() const override {
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defaultMode.clear();
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if(imp->getDefaultDisplayMode(defaultMode))
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return defaultMode.c_str();
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return ViewProviderT::getDefaultDisplayMode();
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}
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/// returns a list of all possible modes
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virtual std::vector<std::string> getDisplayModes(void) const override {
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std::vector<std::string> modes = ViewProviderT::getDisplayModes();
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std::vector<std::string> more_modes = imp->getDisplayModes();
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modes.insert(modes.end(), more_modes.begin(), more_modes.end());
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return modes;
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}
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/// set the display mode
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virtual void setDisplayMode(const char* ModeName) override {
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std::string mask = imp->setDisplayMode(ModeName);
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ViewProviderT::setDisplayMaskMode(mask.c_str());
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ViewProviderT::setDisplayMode(ModeName);
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}
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//@}
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virtual bool canRemoveChildrenFromRoot() const override {
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switch(imp->canRemoveChildrenFromRoot()) {
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case ViewProviderPythonFeatureImp::NotImplemented:
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return ViewProviderT::canRemoveChildrenFromRoot();
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case ViewProviderPythonFeatureImp::Accepted:
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return true;
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default:
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return false;
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}
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}
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PyObject* getPyObject() override {
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return ViewProviderT::getPyObject();
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}
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virtual bool canAddToSceneGraph() const override {
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switch(imp->canAddToSceneGraph()) {
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case ViewProviderPythonFeatureImp::Accepted:
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return true;
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case ViewProviderPythonFeatureImp::Rejected:
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return false;
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default:
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return ViewProviderT::canAddToSceneGraph();
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}
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}
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protected:
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virtual void onChanged(const App::Property* prop) override {
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if (prop == &Proxy) {
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imp->init(Proxy.getValue().ptr());
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if (ViewProviderT::pcObject && !Proxy.getValue().is(Py::_None())) {
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if (!_attached) {
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_attached = true;
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imp->attach(ViewProviderT::pcObject);
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ViewProviderT::attach(ViewProviderT::pcObject);
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// needed to load the right display mode after they're known now
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ViewProviderT::DisplayMode.touch();
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ViewProviderT::setOverrideMode(viewerMode);
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}
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if (!this->testStatus(Gui::isRestoring) &&
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!canAddToSceneGraph()) {
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this->getDocument()->toggleInSceneGraph(this);
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}
|
|
ViewProviderT::updateView();
|
|
}
|
|
}
|
|
|
|
imp->onChanged(prop);
|
|
ViewProviderT::onChanged(prop);
|
|
}
|
|
/// is called by the document when the provider goes in edit mode
|
|
virtual bool setEdit(int ModNum) override
|
|
{
|
|
switch (imp->setEdit(ModNum)) {
|
|
case ViewProviderPythonFeatureImp::Accepted:
|
|
return true;
|
|
case ViewProviderPythonFeatureImp::Rejected:
|
|
return false;
|
|
default:
|
|
return ViewProviderT::setEdit(ModNum);
|
|
}
|
|
}
|
|
/// is called when you lose the edit mode
|
|
virtual void unsetEdit(int ModNum) override
|
|
{
|
|
switch (imp->unsetEdit(ModNum)) {
|
|
case ViewProviderPythonFeatureImp::Accepted:
|
|
return;
|
|
case ViewProviderPythonFeatureImp::Rejected:
|
|
default:
|
|
return ViewProviderT::unsetEdit(ModNum);
|
|
}
|
|
}
|
|
virtual void setEditViewer(View3DInventorViewer *viewer, int ModNum) override {
|
|
if (imp->setEditViewer(viewer,ModNum) == ViewProviderPythonFeatureImp::NotImplemented)
|
|
ViewProviderT::setEditViewer(viewer,ModNum);
|
|
}
|
|
virtual void unsetEditViewer(View3DInventorViewer *viewer) override {
|
|
if (imp->unsetEditViewer(viewer) == ViewProviderPythonFeatureImp::NotImplemented)
|
|
ViewProviderT::unsetEditViewer(viewer);
|
|
}
|
|
|
|
virtual std::string getDropPrefix() const override {
|
|
std::string prefix;
|
|
if(!imp->getDropPrefix(prefix))
|
|
return ViewProviderT::getDropPrefix();
|
|
return prefix;
|
|
}
|
|
|
|
virtual int replaceObject(App::DocumentObject *oldObj, App::DocumentObject *newObj) override {
|
|
App::AutoTransaction committer;
|
|
switch (imp->replaceObject(oldObj,newObj)) {
|
|
case ViewProviderPythonFeatureImp::Accepted:
|
|
return 1;
|
|
case ViewProviderPythonFeatureImp::Rejected:
|
|
return 0;
|
|
default:
|
|
return ViewProviderT::replaceObject(oldObj,newObj);
|
|
}
|
|
}
|
|
|
|
virtual ViewProviderDocumentObject *getLinkedViewProvider(
|
|
std::string *subname=0, bool recursive=false) const override{
|
|
ViewProviderDocumentObject *res = 0;
|
|
if(!imp->getLinkedViewProvider(res, subname, recursive))
|
|
res = ViewProviderT::getLinkedViewProvider(subname,recursive);
|
|
return res;
|
|
}
|
|
|
|
public:
|
|
virtual void setupContextMenu(QMenu* menu, QObject* recipient, const char* member) override
|
|
{
|
|
if(!imp->setupContextMenu(menu))
|
|
ViewProviderT::setupContextMenu(menu, recipient, member);
|
|
}
|
|
|
|
protected:
|
|
virtual bool doubleClicked(void) override
|
|
{
|
|
App::AutoTransaction committer;
|
|
switch (imp->doubleClicked()) {
|
|
case ViewProviderPythonFeatureImp::Accepted:
|
|
return true;
|
|
case ViewProviderPythonFeatureImp::Rejected:
|
|
return false;
|
|
default:
|
|
return ViewProviderT::doubleClicked();
|
|
}
|
|
}
|
|
virtual void setOverrideMode(const std::string &mode) override
|
|
{
|
|
ViewProviderT::setOverrideMode(mode);
|
|
viewerMode = mode;
|
|
}
|
|
|
|
private:
|
|
ViewProviderPythonFeatureImp* imp;
|
|
App::PropertyPythonObject Proxy;
|
|
mutable std::string defaultMode;
|
|
std::string viewerMode;
|
|
bool _attached;
|
|
};
|
|
|
|
// Special Feature-Python classes
|
|
typedef ViewProviderPythonFeatureT<ViewProviderDocumentObject> ViewProviderPythonFeature;
|
|
typedef ViewProviderPythonFeatureT<ViewProviderGeometryObject> ViewProviderPythonGeometry;
|
|
|
|
} // namespace Gui
|
|
|
|
#endif // GUI_VIEWPROVIDERPYTHONFEATURE_H
|
|
|