c5112ecdc5
The future patch will introduce Part::getTopoShape() to construct a compound shape from a group. It will rely on the children visibility to determine whether to include the child shape or not. This patch adds children visibility tracking capability to group, and makes sure that the group object will be marked for recomputation in case of any change in group member, and their visibility status. * Remove Prop_Output from 'Group' property. * Added hidden property _GroupTouched to help propagate children change. * Track children visibility change using signal * GeoFeatureGroupExtension uses new PropertyLinkBase interface for scope checking.
186 lines
7.2 KiB
C++
186 lines
7.2 KiB
C++
/***************************************************************************
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* Copyright (c) 2016 Stefan Tröger <stefantroeger@gmx.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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#include "PreCompiled.h"
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#ifndef _PreComp_
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#endif
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//#include "ViewProviderGroupExtensionPy.h"
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#include "ViewProviderGroupExtension.h"
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#include "Command.h"
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#include "Application.h"
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#include "Document.h"
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#include "MainWindow.h"
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#include <Base/Tools.h>
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#include <App/Document.h>
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#include <App/DocumentObject.h>
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#include <App/GroupExtension.h>
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#include <App/Expression.h>
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#include <Base/Console.h>
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#include <QMessageBox>
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using namespace Gui;
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EXTENSION_PROPERTY_SOURCE(Gui::ViewProviderGroupExtension, Gui::ViewProviderExtension)
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ViewProviderGroupExtension::ViewProviderGroupExtension() : guard(false)
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{
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initExtensionType(ViewProviderGroupExtension::getExtensionClassTypeId());
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}
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ViewProviderGroupExtension::~ViewProviderGroupExtension()
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{
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}
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bool ViewProviderGroupExtension::extensionCanDragObjects() const {
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return true;
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}
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bool ViewProviderGroupExtension::extensionCanDragObject(App::DocumentObject*) const {
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//we can drag anything out
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return true;
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}
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void ViewProviderGroupExtension::extensionDragObject(App::DocumentObject* obj) {
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Gui::Command::doCommand(Gui::Command::Doc,"App.getDocument(\"%s\").getObject(\"%s\").removeObject("
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"App.getDocument(\"%s\").getObject(\"%s\"))",
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getExtendedViewProvider()->getObject()->getDocument()->getName(), getExtendedViewProvider()->getObject()->getNameInDocument(),
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obj->getDocument()->getName(), obj->getNameInDocument() );
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}
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bool ViewProviderGroupExtension::extensionCanDropObjects() const {
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return true;
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}
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bool ViewProviderGroupExtension::extensionCanDropObject(App::DocumentObject* obj) const {
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#ifdef FC_DEBUG
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Base::Console().Log("Check ViewProviderGroupExtension");
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#endif
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auto* group = getExtendedViewProvider()->getObject()->getExtensionByType<App::GroupExtension>();
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//we cannot drop thing of this group into it again
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if (group->hasObject(obj))
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return false;
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if (group->allowObject(obj))
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return true;
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return false;
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}
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void ViewProviderGroupExtension::extensionDropObject(App::DocumentObject* obj) {
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App::DocumentObject* grp = static_cast<App::DocumentObject*>(getExtendedViewProvider()->getObject());
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App::Document* doc = grp->getDocument();
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// build Python command for execution
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QString cmd;
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cmd = QString::fromLatin1("App.getDocument(\"%1\").getObject(\"%2\").addObject("
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"App.getDocument(\"%1\").getObject(\"%3\"))")
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.arg(QString::fromLatin1(doc->getName()),
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QString::fromLatin1(grp->getNameInDocument()),
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QString::fromLatin1(obj->getNameInDocument()));
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Gui::Command::doCommand(Gui::Command::App, cmd.toUtf8());
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}
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std::vector< App::DocumentObject* > ViewProviderGroupExtension::extensionClaimChildren(void) const {
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auto* group = getExtendedViewProvider()->getObject()->getExtensionByType<App::GroupExtension>();
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return std::vector<App::DocumentObject*>(group->Group.getValues());
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}
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void ViewProviderGroupExtension::extensionShow(void) {
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// avoid possible infinite recursion
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if (guard)
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return;
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Base::StateLocker lock(guard);
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// when reading the Visibility property from file then do not hide the
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// objects of this group because they have stored their visibility status, too
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if (!getExtendedViewProvider()->isRestoring() ) {
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auto* group = getExtendedViewProvider()->getObject()->getExtensionByType<App::GroupExtension>();
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for(auto obj : group->Group.getValues()) {
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if(obj && !obj->Visibility.getValue())
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obj->Visibility.setValue(true);
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}
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}
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ViewProviderExtension::extensionShow();
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}
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void ViewProviderGroupExtension::extensionHide(void) {
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// avoid possible infinite recursion
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if (guard)
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return;
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Base::StateLocker lock(guard);
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// when reading the Visibility property from file then do not hide the
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// objects of this group because they have stored their visibility status, too
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if (!getExtendedViewProvider()->isRestoring()) {
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auto* group = getExtendedViewProvider()->getObject()->getExtensionByType<App::GroupExtension>();
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for(auto obj : group->Group.getValues()) {
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if(obj && obj->Visibility.getValue())
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obj->Visibility.setValue(false);
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}
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}
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ViewProviderExtension::extensionHide();
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}
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bool ViewProviderGroupExtension::extensionOnDelete(const std::vector< std::string >& ) {
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auto* group = getExtendedViewProvider()->getObject()->getExtensionByType<App::GroupExtension>();
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// If the group is nonempty ask the user if he wants to delete its content
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if (group->Group.getSize() > 0) {
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QMessageBox::StandardButton choice =
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QMessageBox::question(getMainWindow(), QObject::tr ( "Delete group content?" ),
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QObject::tr ( "The %1 is not empty, delete its content as well?")
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.arg ( QString::fromUtf8 ( getExtendedViewProvider()->getObject()->Label.getValue () ) ),
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QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes );
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if (choice == QMessageBox::Yes) {
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Gui::Command::doCommand(Gui::Command::Doc,
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"App.getDocument(\"%s\").getObject(\"%s\").removeObjectsFromDocument()"
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, getExtendedViewProvider()->getObject()->getDocument()->getName()
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, getExtendedViewProvider()->getObject()->getNameInDocument());
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}
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}
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return true;
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}
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namespace Gui {
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EXTENSION_PROPERTY_SOURCE_TEMPLATE(Gui::ViewProviderGroupExtensionPython, Gui::ViewProviderGroupExtension)
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// explicit template instantiation
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template class GuiExport ViewProviderExtensionPythonT<ViewProviderGroupExtension>;
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}
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