142 lines
4.1 KiB
C++
142 lines
4.1 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) 2015 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_LAYERLIST_H
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#define RS_LAYERLIST_H
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#include <QList>
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#include "rs_layer.h"
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class RS_LayerListListener;
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class QG_LayerWidget;
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/**
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* A list of layers.
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*
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* @author Andrew Mustun
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*/
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class RS_LayerList {
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public:
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RS_LayerList();
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virtual ~RS_LayerList() = default;
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void clear();
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/**
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* @return Number of layers in the list.
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*/
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unsigned int count() const {
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return layers.count();
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}
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/**
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* @return Layer at given position or NULL if i is out of range.
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*/
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RS_Layer* at(unsigned int i) {
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return layers.at(i);
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}
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QList<RS_Layer*>::iterator begin();
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QList<RS_Layer*>::iterator end();
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QList<RS_Layer*>::const_iterator begin()const;
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QList<RS_Layer*>::const_iterator end()const;
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void activate(const QString& name, bool notify = false);
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void activate(RS_Layer* layer, bool notify = false);
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//! @return The active layer of NULL if no layer is activated.
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RS_Layer* getActive() {
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return activeLayer;
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}
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virtual void add(RS_Layer* layer);
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virtual void remove(RS_Layer* layer);
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virtual void edit(RS_Layer* layer, const RS_Layer& source);
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RS_Layer* find(const QString& name);
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int getIndex(const QString& name);
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int getIndex(RS_Layer* layer);
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void toggle(const QString& name);
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void toggle(RS_Layer* layer);
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void toggleLock(RS_Layer* layer);
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void togglePrint(RS_Layer* layer);
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void toggleConstruction(RS_Layer* layer);
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void freezeAll(bool freeze);
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void lockAll(bool lock);
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//! sets the layerWidget pointer in RS_LayerListClass
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void setLayerWitget(QG_LayerWidget * lw) {
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layerWidget=lw;
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}
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//! @return the layerWidget pointer inside the RS_LayerListClass
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QG_LayerWidget* getLayerWitget() {
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return layerWidget;
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}
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//! @return First layer of the list.
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//RS_Layer* firstLayer() {
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// return layers.first();
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//}
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/** @return Next layer from the list after
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* calling firstLayer() or nextLayer().
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*/
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//RS_Layer* nextLayer() {
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// return layers.next();
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//}
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void addListener(RS_LayerListListener* listener);
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void removeListener(RS_LayerListListener* listener);
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/**
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* Sets the layer lists modified status to 'm'.
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*/
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void setModified(bool m);
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/**
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* @retval true The layer list has been modified.
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* @retval false The layer list has not been modified.
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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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* @brief sort by layer names
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*/
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void sort();
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friend std::ostream& operator << (std::ostream& os, RS_LayerList& l);
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private:
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//! layers in the graphic
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QList<RS_Layer*> layers;
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//! List of registered LayerListListeners
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QList<RS_LayerListListener*> layerListListeners;
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QG_LayerWidget* layerWidget;
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//! Currently active layer
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RS_Layer* activeLayer;
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/** Flag set if the layer list was modified and not yet saved. */
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bool modified;
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};
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#endif
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