104 lines
3.3 KiB
C++
104 lines
3.3 KiB
C++
/***************************************************************************
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* Copyright (c) 2004 Jürgen Riegel <juergen.riegel@web.de> *
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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 "View.h"
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#include "Application.h"
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#include "Document.h"
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using namespace Gui;
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//**************************************************************************
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// BaseView
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//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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TYPESYSTEM_SOURCE_ABSTRACT(Gui::BaseView, Base::BaseClass)
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BaseView::BaseView(Gui::Document* pcDocument)
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: _pcDocument(pcDocument)
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{
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if (pcDocument) {
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pcDocument->attachView(this);
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bIsPassive = false;
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}
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else {
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Application::Instance->attachView(this);
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bIsPassive = true;
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}
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}
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BaseView::~BaseView()
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{
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onClose();
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}
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void BaseView::onClose()
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{
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if (bIsDetached) {
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return;
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}
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if (bIsPassive) {
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Application::Instance->detachView(this);
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if (_pcDocument) {
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_pcDocument->detachView(this, true);
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}
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}
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else {
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if (_pcDocument) {
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_pcDocument->detachView(this);
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}
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}
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_pcDocument = nullptr;
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bIsDetached = true;
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}
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void BaseView::deleteSelf()
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{
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delete this;
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}
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void BaseView::setDocument(Gui::Document* pcDocument)
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{
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if (_pcDocument == pcDocument) {
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return;
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}
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// detaches and attaches the observer
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if (_pcDocument) {
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_pcDocument->detachView(this, true);
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}
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if (pcDocument) {
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pcDocument->attachView(this, true);
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}
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// set the new document as the active one
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_pcDocument = pcDocument;
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}
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/// returns the document the view is attached to
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App::Document* BaseView::getAppDocument() const
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{
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return _pcDocument ? _pcDocument->getDocument() : nullptr;
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}
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