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7de79e799747cfa138bb9534bb7e618961af43ed
create/src/Mod/TechDraw/Gui/ViewProviderPage.cpp
WandererFan 7de79e7997 Fix #2967 Ph2 Do not show page on restore. 
- phase 1 of this fix displayed an empty Page when
  restoring with Preference set to "Do Not Keep Pages
  Up To Date".  Ph2 does not show the Page at all.
2017-11-24 20:03:02 -05:00

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/***************************************************************************
* Copyright (c) 2004 Jürgen Riegel <juergen.riegel@web.de> *
* Copyright (c) 2012 Luke Parry <l.parry@warwick.ac.uk> *
* *
* 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 <QAction>
# include <QMenu>
# include <QTimer>
#include <QPointer>
#include <boost/signal.hpp>
#include <boost/bind.hpp>
#endif
/// Here the FreeCAD includes sorted by Base,App,Gui......
#include <Base/Console.h>
#include <Base/Parameter.h>
#include <Base/Exception.h>
#include <Base/Sequencer.h>
#include <App/Application.h>
#include <App/Document.h>
#include <App/DocumentObject.h>
#include <Gui/Application.h>
#include <Gui/BitmapFactory.h>
#include <Gui/Command.h>
#include <Gui/Control.h>
#include <Gui/Document.h>
#include <Gui/MainWindow.h>
#include <Gui/Selection.h>
#include <Gui/ViewProvider.h>
#include <Gui/ViewProviderDocumentObject.h>
#include <Gui/ViewProviderDocumentObjectGroup.h>
#include "MDIViewPage.h"
#include "ViewProviderPage.h"
#include <Mod/TechDraw/App/DrawPage.h>
#include <Mod/TechDraw/App/DrawView.h>
#include <Mod/TechDraw/App/DrawProjGroupItem.h>
#include <Mod/TechDraw/App/DrawViewDimension.h>
#include <Mod/TechDraw/App/DrawHatch.h>
#include <Mod/TechDraw/App/DrawUtil.h>
using namespace TechDrawGui;
PROPERTY_SOURCE(TechDrawGui::ViewProviderPage, Gui::ViewProviderDocumentObject)
//**************************************************************************
// Construction/Destruction
ViewProviderPage::ViewProviderPage()
: m_mdiView(0),
m_docReady(true)
{
sPixmap = "TechDraw_Tree_Page";
Visibility.setStatus(App::Property::Hidden,true);
DisplayMode.setStatus(App::Property::Hidden,true);
}
ViewProviderPage::~ViewProviderPage()
{
}
void ViewProviderPage::attach(App::DocumentObject *pcFeat)
{
ViewProviderDocumentObject::attach(pcFeat);
auto bnd = boost::bind(&ViewProviderPage::onGuiRepaint, this, _1);
auto feature = getDrawPage();
if (feature != nullptr) {
connectGuiRepaint = feature->signalGuiPaint.connect(bnd);
} else {
Base::Console().Log("VPP::attach has no Feature!\n");
}
}
void ViewProviderPage::setDisplayMode(const char* ModeName)
{
ViewProviderDocumentObject::setDisplayMode(ModeName);
}
std::vector<std::string> ViewProviderPage::getDisplayModes(void) const
{
// get the modes of the father
std::vector<std::string> StrList = ViewProviderDocumentObject::getDisplayModes();
StrList.push_back("Drawing");
return StrList;
}
void ViewProviderPage::show(void)
{
showMDIViewPage();
}
void ViewProviderPage::hide(void)
{
if (!m_mdiView.isNull()) { //m_mdiView is a QPointer
// https://forum.freecadweb.org/viewtopic.php?f=3&t=22797&p=182614#p182614
//Gui::getMainWindow()->activatePreviousWindow();
Gui::getMainWindow()->removeWindow(m_mdiView);
}
ViewProviderDocumentObject::hide();
}
void ViewProviderPage::updateData(const App::Property* prop)
{
if (prop == &(getDrawPage()->KeepUpdated)) {
if (getDrawPage()->KeepUpdated.getValue()) {
sPixmap = "TechDraw_Tree_Page";
if (!m_mdiView.isNull() &&
!getDrawPage()->isUnsetting()) {
m_mdiView->updateDrawing();
}
} else {
sPixmap = "TechDraw_Tree_Page_Unsync";
}
}
//if a view is added/deleted, rebuild the visual
if (prop == &(getDrawPage()->Views)) {
if(!m_mdiView.isNull() &&
!getDrawPage()->isUnsetting()) {
m_mdiView->updateDrawing();
}
//if the template is changed, rebuild the visual
} else if (prop == &(getDrawPage()->Template)) {
if(m_mdiView &&
!getDrawPage()->isUnsetting()) {
m_mdiView->matchSceneRectToTemplate();
m_mdiView->updateTemplate();
}
}
Gui::ViewProviderDocumentObject::updateData(prop);
}
bool ViewProviderPage::onDelete(const std::vector<std::string> &items)
{
if (!m_mdiView.isNull()) {
Gui::getMainWindow()->removeWindow(m_mdiView);
Gui::getMainWindow()->activatePreviousWindow();
m_mdiView->deleteLater(); // Delete the drawing m_mdiView;
} else {
// MDIViewPage is not displayed yet so don't try to delete it!
Base::Console().Log("INFO - ViewProviderPage::onDelete - Page object deleted when viewer not displayed\n");
}
Gui::Selection().clearSelection();
return ViewProviderDocumentObject::onDelete(items);
}
void ViewProviderPage::setupContextMenu(QMenu* menu, QObject* receiver, const char* member)
{
Gui::ViewProviderDocumentObject::setupContextMenu(menu, receiver, member);
QAction* act = menu->addAction(QObject::tr("Show drawing"), receiver, member);
// act->setData(QVariant(1)); // Removed to resolve compile after cb16fec6bb67cec15be3fc2aeb251ab524134073 //this is edit ModNum
act->setData(QVariant((int) ViewProvider::Default));
}
bool ViewProviderPage::setEdit(int ModNum)
{
if (ModNum == ViewProvider::Default) {
showMDIViewPage(); // show the drawing
Gui::getMainWindow()->setActiveWindow(m_mdiView);
return false;
} else {
Gui::ViewProviderDocumentObject::setEdit(ModNum);
}
return true;
}
bool ViewProviderPage::doubleClicked(void)
{
showMDIViewPage();
Gui::getMainWindow()->setActiveWindow(m_mdiView);
return true;
}
bool ViewProviderPage::showMDIViewPage()
{
if (isRestoring()) {
return true;
}
if (m_mdiView.isNull()){
Gui::Document* doc = Gui::Application::Instance->getDocument
(pcObject->getDocument());
m_mdiView = new MDIViewPage(this, doc, Gui::getMainWindow());
m_mdiView->setWindowTitle(QObject::tr("Drawing viewer") + QString::fromLatin1("[*]"));
m_mdiView->setWindowIcon(Gui::BitmapFactory().pixmap("TechDraw_Tree_Page"));
m_mdiView->updateDrawing(true);
Gui::getMainWindow()->addWindow(m_mdiView);
m_mdiView->viewAll();
} else {
m_mdiView->updateDrawing(true);
m_mdiView->updateTemplate(true);
}
return true;
}
std::vector<App::DocumentObject*> ViewProviderPage::claimChildren(void) const
{
std::vector<App::DocumentObject*> temp;
App::DocumentObject *templateFeat = 0;
templateFeat = getDrawPage()->Template.getValue();
if(templateFeat) {
temp.push_back(templateFeat);
}
// Collect any child views
// for Page, valid children are any View except: DrawProjGroupItem
// DrawViewDimension
// any FeatuerView in a DrawViewClip
// DrawHatch
const std::vector<App::DocumentObject *> &views = getDrawPage()->Views.getValues();
try {
for(std::vector<App::DocumentObject *>::const_iterator it = views.begin(); it != views.end(); ++it) {
TechDraw::DrawView* featView = dynamic_cast<TechDraw::DrawView*> (*it);
App::DocumentObject *docObj = *it;
// Don't collect if dimension, projection group item, hatch or member of ClipGroup as these should be grouped elsewhere
if(docObj->isDerivedFrom(TechDraw::DrawProjGroupItem::getClassTypeId()) ||
docObj->isDerivedFrom(TechDraw::DrawViewDimension::getClassTypeId()) ||
docObj->isDerivedFrom(TechDraw::DrawHatch::getClassTypeId()) ||
(featView && featView->isInClip()) )
continue;
else
temp.push_back(*it);
}
return temp;
} catch (...) {
std::vector<App::DocumentObject*> tmp;
return tmp;
}
}
void ViewProviderPage::unsetEdit(int ModNum)
{
Q_UNUSED(ModNum);
static_cast<void>(showMDIViewPage());
return;
}
MDIViewPage* ViewProviderPage::getMDIViewPage()
{
if (m_mdiView.isNull()) {
Base::Console().Log("INFO - ViewProviderPage::getMDIViewPage has no m_mdiView!\n");
return 0;
} else {
return m_mdiView;
}
}
void ViewProviderPage::onSelectionChanged(const Gui::SelectionChanges& msg)
{
if(!m_mdiView.isNull()) {
if(msg.Type == Gui::SelectionChanges::SetSelection) {
m_mdiView->clearSelection();
std::vector<Gui::SelectionSingleton::SelObj> objs = Gui::Selection().getSelection(msg.pDocName);
for (std::vector<Gui::SelectionSingleton::SelObj>::iterator it = objs.begin(); it != objs.end(); ++it) {
Gui::SelectionSingleton::SelObj selObj = *it;
if(selObj.pObject == getDrawPage())
continue;
std::string str = msg.pSubName;
// If it's a subfeature, don't select feature
if (!str.empty()) {
if (TechDraw::DrawUtil::getGeomTypeFromName(str) == "Face" ||
TechDraw::DrawUtil::getGeomTypeFromName(str) == "Edge" ||
TechDraw::DrawUtil::getGeomTypeFromName(str) == "Vertex") {
// TODO implement me wf: don't think this is ever executed
}
} else {
m_mdiView->selectFeature(selObj.pObject, true);
}
}
} else {
bool selectState = (msg.Type == Gui::SelectionChanges::AddSelection) ? true : false;
Gui::Document* doc = Gui::Application::Instance->getDocument(pcObject->getDocument());
App::DocumentObject *obj = doc->getDocument()->getObject(msg.pObjectName);
if(obj) {
std::string str = msg.pSubName;
// If it's a subfeature, don't select feature
if (!str.empty()) {
if (TechDraw::DrawUtil::getGeomTypeFromName(str) == "Face" ||
TechDraw::DrawUtil::getGeomTypeFromName(str) == "Edge" ||
TechDraw::DrawUtil::getGeomTypeFromName(str) == "Vertex") {
// TODO implement me
} else {
m_mdiView->selectFeature(obj, selectState);
}
}
}
} //else (Gui::SelectionChanges::SetPreselect)
}
}
void ViewProviderPage::onChanged(const App::Property *prop)
{
if (prop == &(getDrawPage()->Template)) {
if(m_mdiView) {
m_mdiView->updateTemplate();
}
}
Gui::ViewProviderDocumentObject::onChanged(prop);
}
void ViewProviderPage::startRestoring()
{
m_docReady = false;
Gui::ViewProviderDocumentObject::startRestoring();
}
void ViewProviderPage::finishRestoring()
{
m_docReady = true;
//control drawing opening on restore based on Preference
//mantis #2967 ph2 - don't even show blank page
Base::Reference<ParameterGrp> hGrp = App::GetApplication().GetUserParameter()
.GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("Mod/TechDraw/General");
bool autoUpdate = hGrp->GetBool("KeepPagesUpToDate", 1l);
if (autoUpdate) {
static_cast<void>(showMDIViewPage());
}
Gui::ViewProviderDocumentObject::finishRestoring();
}
bool ViewProviderPage::isShow(void) const
{
return Visibility.getValue();
}
//! Redo the whole visual page
void ViewProviderPage::onGuiRepaint(const TechDraw::DrawPage* dp)
{
if (dp == getDrawPage()) {
if(!m_mdiView.isNull() &&
!getDrawPage()->isUnsetting()) {
m_mdiView->updateDrawing();
}
}
}
TechDraw::DrawPage* ViewProviderPage::getDrawPage() const
{
//during redo, pcObject can become invalid, but non-zero??
if (!pcObject) {
Base::Console().Message("TROUBLE - VPPage::getDrawPage - no Page Object!\n");
return nullptr;
}
return dynamic_cast<TechDraw::DrawPage*>(pcObject);
}
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