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create/src/Mod/TechDraw/Gui/ViewProviderPage.cpp

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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 <QMessageBox>
# include <QTextStream>
# include <QTimer>
# include <QList>
# include <QPointer>
# include <boost/signals2.hpp>
# include <boost/signals2/connection.hpp>
# include <boost_bind_bind.hpp>
#endif
/// Here the FreeCAD includes sorted by Base,App,Gui......
#include <Base/Console.h>
#include <Base/Parameter.h>
#include <App/Application.h>
#include <App/Document.h>
#include <App/DocumentObject.h>
#include <Gui/Application.h>
#include <Gui/BitmapFactory.h>
#include <Gui/Document.h>
#include <Gui/MainWindow.h>
#include <Gui/ViewProviderDocumentObject.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/DrawViewBalloon.h>
#include <Mod/TechDraw/App/DrawLeaderLine.h>
#include <Mod/TechDraw/App/DrawRichAnno.h>
#include <Mod/TechDraw/App/DrawHatch.h>
#include <Mod/TechDraw/App/DrawWeldSymbol.h>
#include <Mod/TechDraw/App/DrawUtil.h>
#include "PreferencesGui.h"
#include "MDIViewPage.h"
#include "QGVPage.h"
#include "QGITemplate.h"
#include "ViewProviderTemplate.h"
#include "ViewProviderPage.h"
using namespace TechDrawGui;
using namespace TechDraw;
namespace bp = boost::placeholders;
#define _SHOWDRAWING 10
#define _TOGGLEUPDATE 11
PROPERTY_SOURCE(TechDrawGui::ViewProviderPage, Gui::ViewProviderDocumentObject)
//**************************************************************************
// Construction/Destruction
ViewProviderPage::ViewProviderPage()
: m_mdiView(0),
m_docReady(true),
m_pageName("")
{
sPixmap = "TechDraw_Tree_Page";
static const char *group = "Base";
ADD_PROPERTY_TYPE(ShowFrames ,(true),group,App::Prop_None,"NonGui! Show or hide View frames and Labels on this Page");
ShowFrames.setStatus(App::Property::Hidden,true);
Visibility.setStatus(App::Property::Hidden,true);
DisplayMode.setStatus(App::Property::Hidden,true);
}
ViewProviderPage::~ViewProviderPage()
{
removeMDIView(); //if the MDIViewPage is still in MainWindow, remove it.
}
void ViewProviderPage::attach(App::DocumentObject *pcFeat)
{
ViewProviderDocumentObject::attach(pcFeat);
auto bnd = boost::bind(&ViewProviderPage::onGuiRepaint, this, bp::_1);
auto feature = getDrawPage();
if (feature != nullptr) {
connectGuiRepaint = feature->signalGuiPaint.connect(bnd);
m_pageName = feature->getNameInDocument();
} 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)
{
Visibility.setValue(true);
showMDIViewPage();
}
void ViewProviderPage::hide(void)
{
Visibility.setValue(false);
removeMDIView();
ViewProviderDocumentObject::hide();
}
void ViewProviderPage::removeMDIView(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();
QList<QWidget*> wList= Gui::getMainWindow()->windows();
bool found = wList.contains(m_mdiView);
if (found) {
Gui::getMainWindow()->removeWindow(m_mdiView);
Gui::MDIView* aw = Gui::getMainWindow()->activeWindow(); //WF: this bit should be in the remove window logic, not here.
if (aw != nullptr) {
aw->showMaximized();
}
}
}
}
void ViewProviderPage::updateData(const App::Property* prop)
{
auto page = getDrawPage();
if(!page) {
Gui::ViewProviderDocumentObject::updateData(prop);
return;
}
if (prop == &(page->KeepUpdated)) {
if (getDrawPage()->KeepUpdated.getValue()) {
sPixmap = "TechDraw_Tree_Page";
} else {
sPixmap = "TechDraw_Tree_Page_Unsync";
}
signalChangeIcon();
//if the template is changed, rebuild the visual
} else if (prop == &(page->Template)) {
if(m_mdiView &&
!page->isUnsetting()) {
m_mdiView->matchSceneRectToTemplate();
m_mdiView->updateTemplate();
}
} else if (prop == &(page->Label)) {
if(m_mdiView &&
!page->isUnsetting()) {
m_mdiView->setTabText(page->Label.getValue());
}
} else if (prop == &page->Views) {
if(m_mdiView && !page->isUnsetting())
m_mdiView->fixOrphans();
}
Gui::ViewProviderDocumentObject::updateData(prop);
}
bool ViewProviderPage::onDelete(const std::vector<std::string> &)
{
// warn the user if the Page is not empty
// but don't do this if there is just the template
// check if there are items in the group
auto objs = claimChildren();
// check if there is just a template
// if there are several objects, the template is never the last one
// the ExportName of a template always begins with "Template"
bool isTemplate = false;
for (auto objsIterator : objs) {
if (objsIterator->getExportName().substr(0, 8).compare(std::string("Template")) == 0)
isTemplate = true;
else
isTemplate = false;
}
if (!objs.empty() && !isTemplate)
{
// generate dialog
QString bodyMessage;
QTextStream bodyMessageStream(&bodyMessage);
bodyMessageStream << qApp->translate("Std_Delete",
"The page is not empty, therefore the\n following referencing objects might be lost.\n\n"
"Are you sure you want to continue?\n");
for (auto ObjIterator : objs)
bodyMessageStream << '\n' << QString::fromUtf8(ObjIterator->Label.getValue());
// show and evaluate the dialog
int DialogResult = QMessageBox::warning(Gui::getMainWindow(),
qApp->translate("Std_Delete", "Object dependencies"), bodyMessage,
QMessageBox::Yes, QMessageBox::No);
if (DialogResult == QMessageBox::Yes) {
removeMDIView();
return true;
} else
return false;
}
else {
removeMDIView();
return true;
}
}
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((int) _SHOWDRAWING));
QAction* act2 = menu->addAction(QObject::tr("Toggle KeepUpdated"), receiver, member);
act2->setData(QVariant((int) _TOGGLEUPDATE));
}
bool ViewProviderPage::setEdit(int ModNum)
{
bool rc = true;
if (ModNum == _SHOWDRAWING) {
Visibility.setValue(true);
showMDIViewPage(); // show the drawing
rc = false; //finished editing
} else if (ModNum == _TOGGLEUPDATE) {
auto page = getDrawPage();
if (page != nullptr) {
page->KeepUpdated.setValue(!page->KeepUpdated.getValue());
page->recomputeFeature();
}
rc = false;
} else {
rc = Gui::ViewProviderDocumentObject::setEdit(ModNum);
}
return rc;
}
bool ViewProviderPage::doubleClicked(void)
{
show();
Gui::getMainWindow()->setActiveWindow(m_mdiView);
return true;
}
bool ViewProviderPage::showMDIViewPage()
{
if (isRestoring()) {
return true;
}
if (!Visibility.getValue()) {
return true;
}
if (m_mdiView.isNull()){
Gui::Document* doc = Gui::Application::Instance->getDocument
(pcObject->getDocument());
m_mdiView = new MDIViewPage(this, doc, Gui::getMainWindow());
QString tabTitle = QString::fromUtf8(getDrawPage()->Label.getValue());
m_mdiView->setDocumentObject(getDrawPage()->getNameInDocument());
m_mdiView->setDocumentName(pcObject->getDocument()->getName());
m_mdiView->setWindowTitle(tabTitle + QString::fromLatin1("[*]"));
m_mdiView->setWindowIcon(Gui::BitmapFactory().pixmap("TechDraw_Tree_Page"));
Gui::getMainWindow()->addWindow(m_mdiView);
m_mdiView->viewAll();
m_mdiView->showMaximized();
m_mdiView->addChildrenToPage();
m_mdiView->fixOrphans(true);
} else {
m_mdiView->updateTemplate(true);
m_mdiView->redrawAllViews();
m_mdiView->fixOrphans(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
// DrawViewBalloon
// DrawLeaderLine
// DrawRichAnno
// any FeatuerView in a DrawViewClip
// DrawHatch
// DrawWeldSymbol
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;
//DrawRichAnno with no parent is child of Page
TechDraw::DrawRichAnno* dra = dynamic_cast<TechDraw::DrawRichAnno*> (*it);
if (dra != nullptr) {
if (dra->AnnoParent.getValue() != nullptr) {
continue; //has a parent somewhere else
} else {
temp.push_back(*it); //no parent, belongs to page
continue;
}
}
// 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()) ||
docObj->isDerivedFrom(TechDraw::DrawViewBalloon::getClassTypeId()) ||
docObj->isDerivedFrom(TechDraw::DrawRichAnno::getClassTypeId()) ||
docObj->isDerivedFrom(TechDraw::DrawLeaderLine::getClassTypeId()) ||
docObj->isDerivedFrom(TechDraw::DrawWeldSymbol::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() const
{
if (m_mdiView.isNull()) {
Base::Console().Log("INFO - ViewProviderPage::getMDIViewPage has no m_mdiView!\n");
return 0;
} else {
return m_mdiView;
}
}
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
if (Preferences::keepPagesUpToDate()) {
static_cast<void>(showMDIViewPage());
}
Gui::ViewProviderDocumentObject::finishRestoring();
}
bool ViewProviderPage::isShow(void) const
{
return Visibility.getValue();
}
bool ViewProviderPage::getFrameState(void)
{
bool result = ShowFrames.getValue();
return result;
}
void ViewProviderPage::setFrameState(bool state)
{
ShowFrames.setValue(state);
}
void ViewProviderPage::toggleFrameState(void)
{
// Base::Console().Message("VPP::toggleFrameState()\n");
if (m_graphicsView != nullptr) {
setFrameState(!getFrameState());
m_graphicsView->refreshViews();
setTemplateMarkers(getFrameState());
}
}
void ViewProviderPage::setTemplateMarkers(bool state)
{
// Base::Console().Message("VPP::setTemplateMarkers(%d)\n",state);
App::DocumentObject *templateFeat = nullptr;
templateFeat = getDrawPage()->Template.getValue();
Gui::Document* guiDoc = Gui::Application::Instance->getDocument(templateFeat->getDocument());
Gui::ViewProvider* vp = guiDoc->getViewProvider(templateFeat);
ViewProviderTemplate* vpt = dynamic_cast<ViewProviderTemplate*>(vp);
if (vpt) {
vpt->setMarkers(state);
QGITemplate* t = vpt->getQTemplate();
if (t != nullptr) {
t->updateView(true);
}
}
}
void ViewProviderPage::setGraphicsView(QGVPage* gv)
{
m_graphicsView = gv;
}
bool ViewProviderPage::canDelete(App::DocumentObject *obj) const
{
// deletions from a page don't necessarily destroy anything
// thus we can pass this action
// if an object could break something, like e.g. the template object
// its ViewProvider handles this in the onDelete() function
Q_UNUSED(obj)
return true;
}
//! Redo the whole visual page
void ViewProviderPage::onGuiRepaint(const TechDraw::DrawPage* dp)
{
if (dp == getDrawPage()) {
if(!m_mdiView.isNull() &&
!getDrawPage()->isUnsetting()) {
m_mdiView->fixOrphans();
}
}
}
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);
}
Gui::MDIView *ViewProviderPage::getMDIView() const
{
const_cast<ViewProviderPage*>(this)->showMDIViewPage();
return m_mdiView.data();
}
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