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ViewProviderDocumentObject.cpp
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ViewProviderDocumentObject.cpp
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/***************************************************************************
* Copyright (c) 2004 Jürgen Riegel <juergen.riegel@web.de> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
# include <QByteArray>
# include <qpixmap.h>
# include <Inventor/actions/SoSearchAction.h>
# include <Inventor/nodes/SoDrawStyle.h>
# include <Inventor/nodes/SoMaterial.h>
# include <Inventor/nodes/SoSeparator.h>
#endif
/// Here the FreeCAD includes sorted by Base,App,Gui......
#include <Base/Tools.h>
#include <Base/Console.h>
#include <App/Material.h>
#include <App/DocumentObjectGroup.h>
#include <App/Origin.h>
#include "Application.h"
#include "Document.h"
#include "Selection.h"
#include "MainWindow.h"
#include "MDIView.h"
#include "TaskView/TaskAppearance.h"
#include "ViewProviderDocumentObject.h"
#include "ViewProviderExtension.h"
#include <Gui/ViewProviderDocumentObjectPy.h>
using namespace Gui;
PROPERTY_SOURCE(Gui::ViewProviderDocumentObject, Gui::ViewProvider)
ViewProviderDocumentObject::ViewProviderDocumentObject()
: pcObject(0)
, pcDocument(0)
{
ADD_PROPERTY(DisplayMode,((long)0));
ADD_PROPERTY(Visibility,(true));
sPixmap = "Feature";
}
ViewProviderDocumentObject::~ViewProviderDocumentObject()
{
// Make sure that the property class does not destruct our string list
DisplayMode.setEnums(0);
}
void ViewProviderDocumentObject::getTaskViewContent(std::vector<Gui::TaskView::TaskContent*>& vec) const
{
vec.push_back(new Gui::TaskView::TaskAppearance());
}
void ViewProviderDocumentObject::startRestoring()
{
hide();
}
void ViewProviderDocumentObject::finishRestoring()
{
}
bool ViewProviderDocumentObject::isAttachedToDocument() const
{
return (!testStatus(Detach));
}
const char* ViewProviderDocumentObject::detachFromDocument()
{
// here we can return an empty string since the object
// name comes from the document object
setStatus(Detach, true);
return "";
}
void ViewProviderDocumentObject::onAboutToRemoveProperty(const char* prop)
{
// transactions of view providers are also managed in App::Document.
App::DocumentObject* docobject = getObject();
App::Document* document = docobject ? docobject->getDocument() : nullptr;
if (document)
document->removePropertyOfObject(this, prop);
}
void ViewProviderDocumentObject::onBeforeChange(const App::Property* prop)
{
if (isAttachedToDocument()) {
App::DocumentObject* obj = getObject();
App::Document* doc = obj ? obj->getDocument() : 0;
if (doc) {
onBeforeChangeProperty(doc, prop);
}
}
}
void ViewProviderDocumentObject::onChanged(const App::Property* prop)
{
if (prop == &DisplayMode) {
setActiveMode();
}
else if (prop == &Visibility) {
// use this bit to check whether show() or hide() must be called
if (Visibility.testStatus(App::Property::User2) == false) {
Visibility.setStatus(App::Property::User2, true);
Visibility.getValue() ? show() : hide();
Visibility.setStatus(App::Property::User2, false);
}
}
if (pcDocument)
pcDocument->setModified(true);
ViewProvider::onChanged(prop);
}
void ViewProviderDocumentObject::hide(void)
{
// use this bit to check whether 'Visibility' must be adjusted
if (Visibility.testStatus(App::Property::User2) == false) {
Visibility.setStatus(App::Property::User2, true);
Visibility.setValue(false);
Visibility.setStatus(App::Property::User2, false);
}
ViewProvider::hide();
}
void ViewProviderDocumentObject::show(void)
{
// use this bit to check whether 'Visibility' must be adjusted
if (Visibility.testStatus(App::Property::User2) == false) {
Visibility.setStatus(App::Property::User2, true);
Visibility.setValue(true);
Visibility.setStatus(App::Property::User2, false);
}
ViewProvider::show();
}
void ViewProviderDocumentObject::updateView()
{
if(testStatus(ViewStatus::UpdatingView))
return;
Base::ObjectStatusLocker<ViewStatus,ViewProviderDocumentObject> lock(ViewStatus::UpdatingView,this);
std::map<std::string, App::Property*> Map;
pcObject->getPropertyMap(Map);
// Hide the object temporarily to speed up the update
bool vis = ViewProvider::isShow();
if (vis) ViewProvider::hide();
for (std::map<std::string, App::Property*>::iterator it = Map.begin(); it != Map.end(); ++it) {
updateData(it->second);
}
if (vis) ViewProvider::show();
}
void ViewProviderDocumentObject::attach(App::DocumentObject *pcObj)
{
// save Object pointer
pcObject = pcObj;
// Retrieve the supported display modes of the view provider
aDisplayModesArray = this->getDisplayModes();
if (aDisplayModesArray.empty())
aDisplayModesArray.push_back("");
// We must collect the const char* of the strings and give it to PropertyEnumeration,
// but we are still responsible for them, i.e. the property class must not delete the literals.
for (std::vector<std::string>::iterator it = aDisplayModesArray.begin(); it != aDisplayModesArray.end(); ++it) {
aDisplayEnumsArray.push_back( it->c_str() );
}
aDisplayEnumsArray.push_back(0); // null termination
DisplayMode.setEnums(&(aDisplayEnumsArray[0]));
// set the active mode
const char* defmode = this->getDefaultDisplayMode();
if (defmode)
DisplayMode.setValue(defmode);
//attach the extensions
auto vector = getExtensionsDerivedFromType<Gui::ViewProviderExtension>();
for (Gui::ViewProviderExtension* ext : vector)
ext->extensionAttach(pcObj);
}
void ViewProviderDocumentObject::updateData(const App::Property* prop)
{
ViewProvider::updateData(prop);
}
Gui::Document* ViewProviderDocumentObject::getDocument() const
{
App::Document* pAppDoc = pcObject->getDocument();
return Gui::Application::Instance->getDocument(pAppDoc);
}
Gui::MDIView* ViewProviderDocumentObject::getActiveView() const
{
App::Document* pAppDoc = pcObject->getDocument();
Gui::Document* pGuiDoc = Gui::Application::Instance->getDocument(pAppDoc);
return pGuiDoc->getActiveView();
}
Gui::MDIView* ViewProviderDocumentObject::getEditingView() const
{
App::Document* pAppDoc = pcObject->getDocument();
Gui::Document* pGuiDoc = Gui::Application::Instance->getDocument(pAppDoc);
return pGuiDoc->getEditingViewOfViewProvider(const_cast<ViewProviderDocumentObject*>(this));
}
Gui::MDIView* ViewProviderDocumentObject::getInventorView() const
{
App::Document* pAppDoc = pcObject->getDocument();
Gui::Document* pGuiDoc = Gui::Application::Instance->getDocument(pAppDoc);
Gui::MDIView* mdi = pGuiDoc->getEditingViewOfViewProvider(const_cast<ViewProviderDocumentObject*>(this));
if (!mdi) {
mdi = pGuiDoc->getViewOfViewProvider(const_cast<ViewProviderDocumentObject*>(this));
}
return mdi;
}
Gui::MDIView* ViewProviderDocumentObject::getViewOfNode(SoNode* node) const
{
App::Document* pAppDoc = pcObject->getDocument();
Gui::Document* pGuiDoc = Gui::Application::Instance->getDocument(pAppDoc);
return pGuiDoc->getViewOfNode(node);
}
SoNode* ViewProviderDocumentObject::findFrontRootOfType(const SoType& type) const
{
// first get the document this object is part of and get its GUI counterpart
App::Document* pAppDoc = pcObject->getDocument();
Gui::Document* pGuiDoc = Gui::Application::Instance->getDocument(pAppDoc);
SoSearchAction searchAction;
searchAction.setType(type);
searchAction.setInterest(SoSearchAction::FIRST);
// search in all view providers for the node type
std::vector<App::DocumentObject*> obj = pAppDoc->getObjects();
for (std::vector<App::DocumentObject*>::iterator it = obj.begin(); it != obj.end(); ++it) {
const ViewProvider* vp = pGuiDoc->getViewProvider(*it);
// Ignore 'this' view provider. It could also happen that vp is 0, e.g. when
// several objects have been added to the App::Document before notifying the
// Gui::Document
if (!vp || vp == this)
continue;
SoSeparator* front = vp->getFrontRoot();
//if (front && front->getTypeId() == type)
// return front;
if (front) {
searchAction.apply(front);
SoPath* path = searchAction.getPath();
if (path)
return path->getTail();
}
}
return 0;
}
void ViewProviderDocumentObject::setActiveMode()
{
if (DisplayMode.isValid()) {
const char* mode = DisplayMode.getValueAsString();
if (mode)
setDisplayMode(mode);
}
if (!Visibility.getValue())
ViewProvider::hide();
}
bool ViewProviderDocumentObject::canDelete(App::DocumentObject* obj) const
{
Q_UNUSED(obj)
if (getObject()->hasExtension(App::GroupExtension::getExtensionClassTypeId()))
return true;
if (getObject()->isDerivedFrom(App::Origin::getClassTypeId()))
return true;
return false;
}
PyObject* ViewProviderDocumentObject::getPyObject()
{
if (!pyViewObject)
pyViewObject = new ViewProviderDocumentObjectPy(this);
pyViewObject->IncRef();
return pyViewObject;
}