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/****************************************************************************
**
** This file is part of the LibreCAD project, a 2D CAD program
**
** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file gpl-2.0.txt included in the
** packaging of this file.
**
** This program 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 General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**
** This copyright notice MUST APPEAR in all copies of the script!
**
**********************************************************************/
#ifndef RS_DOCUMENT_H
#define RS_DOCUMENT_H
#include "rs_layerlist.h"
#include "rs_entitycontainer.h"
#include "rs_undo.h"
class RS_BlockList;
/**
* Base class for documents. Documents can be either graphics or
* blocks and are typically shown in graphic views. Documents hold
* an active pen for drawing in the Document, a file name and they
* know whether they have been modified or not.
*
* @author Andrew Mustun
*/
class RS_Document : public RS_EntityContainer,
public RS_Undo {
public:
RS_Document(RS_EntityContainer* parent=NULL);
virtual ~RS_Document(){}
virtual RS_LayerList* getLayerList() = 0;
virtual RS_BlockList* getBlockList() = 0;
virtual void newDoc() = 0;
virtual bool save(bool isAutoSave = false) = 0;
virtual bool saveAs(const QString &filename, RS2::FormatType type, bool force) = 0;
virtual bool open(const QString &filename, RS2::FormatType type) = 0;
virtual bool loadTemplate(const QString &filename, RS2::FormatType type) = 0;
/**
* @return true for all document entities (e.g. Graphics or Blocks).
*/
virtual bool isDocument() const {
return true;
}
/**
* Removes an entity from the entiy container. Implementation
* from RS_Undo.
*/
virtual void removeUndoable(RS_Undoable* u) {
if (u!=NULL && u->undoRtti()==RS2::UndoableEntity) {
removeEntity((RS_Entity*)u);
}
}
/**
* @return Currently active drawing pen.
*/
RS_Pen getActivePen() const {
return activePen;
}
/**
* Sets the currently active drawing pen to p.
*/
void setActivePen(RS_Pen p) {
activePen = p;
}
/**
* @return File name of the document currently loaded.
* Note, that the default file name is empty.
*/
QString getFilename() const {
return filename;
}
/**
* @return Auto-save file name of the document currently loaded.
*/
QString getAutoSaveFilename() const {
return autosaveFilename;
}
/**
* Sets file name for the document currently loaded.
*/
void setFilename(const QString& fn) {
filename = fn;
}
/**
* Sets the documents modified status to 'm'.
*/
virtual void setModified(bool m) {
//std::cout << "RS_Document::setModified: %d" << (int)m << std::endl;
modified = m;
}
/**
* @retval true The document has been modified since it was last saved.
* @retval false The document has not been modified since it was last saved.
*/
virtual bool isModified() const {
return modified;
}
/**
* Overwritten to set modified flag before starting an undo cycle.
*/
virtual void startUndoCycle() {
setModified(true);
RS_Undo::startUndoCycle();
}
void setGraphicView(RS_GraphicView * g) {gv = g;}
RS_GraphicView* getGraphicView() {return gv;}
protected:
/** Flag set if the document was modified and not yet saved. */
bool modified;
/** Active pen. */
RS_Pen activePen;
/** File name of the document or empty for a new document. */
QString filename;
/** Auto-save file name of document. */
QString autosaveFilename;
/** Format type */
RS2::FormatType formatType;
RS_GraphicView * gv;//used to read/save current view
};
#endif
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