FreeCAD

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/***************************************************************************
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 *   Copyright (c) 2004 Jürgen Riegel <juergen.riegel@web.de>              *
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 *   Copyright (c) 2012 Luke Parry <l.parry@warwick.ac.uk>                 *
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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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# ifdef FC_OS_WIN32
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#  include <windows.h>
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# endif
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#endif
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#include <App/DocumentObject.h>
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#include <Mod/TechDraw/App/DrawPage.h>
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#include <Mod/TechDraw/App/DrawProjGroupItem.h>
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#include "ViewProviderViewClip.h"
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using namespace TechDrawGui;
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PROPERTY_SOURCE(TechDrawGui::ViewProviderViewClip, TechDrawGui::ViewProviderDrawingView)
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ViewProviderViewClip::ViewProviderViewClip()
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{
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    sPixmap = "actions/TechDraw_ClipGroup";
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    // Do not show in property editor   why? wf  WF: because DisplayMode applies only to coin and we
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    // don't use coin.
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    DisplayMode.setStatus(App::Property::Hidden, true);
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}
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ViewProviderViewClip::~ViewProviderViewClip()
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{
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}
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std::vector<App::DocumentObject*> ViewProviderViewClip::claimChildren() const
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{
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    // Collect any child views
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    // for Clip, valid children are any View in Views
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    const std::vector<App::DocumentObject *> &views = getObject()->Views.getValues();
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    return views;
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}
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void ViewProviderViewClip::show()
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{
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    //TODO: not sure that clip members need to be touched when hiding clip group
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    App::DocumentObject* obj = getObject();
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    if (!obj || obj->isRestoring())
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        return;
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    if (obj->isDerivedFrom<TechDraw::DrawViewClip>()) {
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        std::vector<App::DocumentObject*> inp = obj->getInList();
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        for (std::vector<App::DocumentObject*>::iterator it = inp.begin(); it != inp.end(); ++it)
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            (*it)->touch();
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    }
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    ViewProviderDrawingView::show();
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}
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void ViewProviderViewClip::hide()
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{
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    //TODO: not sure that clip members need to be touched when hiding clip group
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    App::DocumentObject* obj = getObject();
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    if (!obj || obj->isRestoring())
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        return;
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    if (obj->isDerivedFrom<TechDraw::DrawViewClip>()) {
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        std::vector<App::DocumentObject*> inp = obj->getInList();
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        for (std::vector<App::DocumentObject*>::iterator it = inp.begin(); it != inp.end(); ++it)
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            (*it)->touch();
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    }
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    ViewProviderDrawingView::hide();
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}
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bool ViewProviderViewClip::canDelete(App::DocumentObject *obj) const
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{
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    // deletions of Clip objects don't destroy anything
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    // thus we can pass this action
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    Q_UNUSED(obj)
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    return true;
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}
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TechDraw::DrawViewClip* ViewProviderViewClip::getViewObject() const
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{
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    return dynamic_cast<TechDraw::DrawViewClip*>(pcObject);
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}
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TechDraw::DrawViewClip* ViewProviderViewClip::getObject() const
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{
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    return getViewObject();
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}
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void ViewProviderViewClip::dragObject(App::DocumentObject* docObj)
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{
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    if (!docObj->isDerivedFrom(TechDraw::DrawView::getClassTypeId())) {
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        return;
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    }
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    auto dv = static_cast<TechDraw::DrawView*>(docObj);
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    getObject()->removeView(dv);
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}
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void ViewProviderViewClip::dropObject(App::DocumentObject* docObj)
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{
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    if (docObj->isDerivedFrom(TechDraw::DrawProjGroupItem::getClassTypeId())) {
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        //DPGI can not be dropped onto the Page as it belongs to DPG, not Page
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        return;
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    }
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    if (!docObj->isDerivedFrom(TechDraw::DrawView::getClassTypeId())) {
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        return;
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    }
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    auto dv = static_cast<TechDraw::DrawView*>(docObj);
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    TechDraw::DrawPage* pageClip = getObject()->findParentPage();
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    TechDraw::DrawPage* pageView = dv->findParentPage();
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    if (!pageClip || !pageView) {
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        return;
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    }
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    if (pageClip != pageView) {
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        pageView->removeView(dv);
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        pageClip->addView(dv);
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    }
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    getObject()->addView(dv);
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}