156 lines
4.4 KiB
C++
156 lines
4.4 KiB
C++
/****************************************************************************
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**
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** This file is part of the LibreCAD project, a 2D CAD program
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**
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** Copyright (C) 2018 A. Stebich (librecad@mail.lordofbikes.de)
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** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
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** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
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**
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file gpl-2.0.txt included in the
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** packaging of this file.
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**
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** This program 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 General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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**
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** This copyright notice MUST APPEAR in all copies of the script!
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**
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**********************************************************************/
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#ifndef RS_DOCUMENT_H
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#define RS_DOCUMENT_H
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#include "rs_layerlist.h"
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#include "rs_entitycontainer.h"
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#include "rs_undo.h"
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class RS_BlockList;
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/**
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* Base class for documents. Documents can be either graphics or
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* blocks and are typically shown in graphic views. Documents hold
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* an active pen for drawing in the Document, a file name and they
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* know whether they have been modified or not.
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*
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* @author Andrew Mustun
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*/
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class RS_Document : public RS_EntityContainer,
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public RS_Undo {
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public:
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RS_Document(RS_EntityContainer* parent=nullptr);
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virtual ~RS_Document() = default;
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virtual RS_LayerList* getLayerList() = 0;
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virtual RS_BlockList* getBlockList() = 0;
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virtual void newDoc() = 0;
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virtual bool save(bool isAutoSave = false) = 0;
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virtual bool saveAs(const QString &filename, RS2::FormatType type, bool force) = 0;
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virtual bool open(const QString &filename, RS2::FormatType type) = 0;
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virtual bool loadTemplate(const QString &filename, RS2::FormatType type) = 0;
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/**
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* @return true for all document entities (e.g. Graphics or Blocks).
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*/
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virtual bool isDocument() const {
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return true;
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}
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/**
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* Removes an entity from the entity container. Implementation
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* from RS_Undo.
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*/
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virtual void removeUndoable(RS_Undoable* u) {
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if (u && u->undoRtti()==RS2::UndoableEntity && u->isUndone()) {
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removeEntity(static_cast<RS_Entity*>(u));
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}
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}
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/**
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* @return Currently active drawing pen.
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*/
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RS_Pen getActivePen() const {
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return activePen;
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}
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/**
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* Sets the currently active drawing pen to p.
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*/
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void setActivePen(RS_Pen p) {
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activePen = p;
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}
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/**
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* @return File name of the document currently loaded.
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* Note, that the default file name is empty.
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*/
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QString getFilename() const {
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return filename;
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}
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/**
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* @return Auto-save file name of the document currently loaded.
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*/
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QString getAutoSaveFilename() const {
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return autosaveFilename;
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}
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/**
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* Sets file name for the document currently loaded.
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*/
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void setFilename(const QString& fn) {
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filename = fn;
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}
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/**
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* Sets the documents modified status to 'm'.
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*/
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virtual void setModified(bool m) {
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//std::cout << "RS_Document::setModified: %d" << (int)m << std::endl;
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modified = m;
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}
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/**
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* @retval true The document has been modified since it was last saved.
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* @retval false The document has not been modified since it was last saved.
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*/
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virtual bool isModified() const {
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return modified;
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}
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/**
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* Overwritten to set modified flag when undo cycle finished with undoable(s).
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*/
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virtual void endUndoCycle() override;
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void setGraphicView(RS_GraphicView * g) {gv = g;}
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RS_GraphicView* getGraphicView() {return gv;}
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protected:
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/** Flag set if the document was modified and not yet saved. */
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bool modified;
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/** Active pen. */
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RS_Pen activePen;
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/** File name of the document or empty for a new document. */
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QString filename;
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/** Auto-save file name of document. */
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QString autosaveFilename;
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/** Format type */
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RS2::FormatType formatType;
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RS_GraphicView * gv;//used to read/save current view
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};
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#endif
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