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**
** This file is part of the LibreCAD project, a 2D CAD program
**
** Copyright (C) 2015 A. Stebich (librecad@mail.lordofbikes.de)
** 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_LAYERLIST_H
#define RS_LAYERLIST_H
#include <QList>
class RS_Layer;
class RS_LayerListListener;
/**
* A list of layers.
*
* @author Andrew Mustun
*/
class RS_LayerList {
public:
RS_LayerList();
virtual ~RS_LayerList() = default;
void clear();
/**
* @return Number of layers in the list.
*/
unsigned int count() const {
return m_layers.count();
}
/**
* @return Layer at given position or NULL if i is out of range.
*/
RS_Layer* at(unsigned int i) {
return m_layers.at(i);
}
QList<RS_Layer*>::iterator begin();
QList<RS_Layer*>::iterator end();
QList<RS_Layer*>::const_iterator begin()const;
QList<RS_Layer*>::const_iterator end()const;
void activate(const QString& name, bool notify = false);
void fireLayerActivated();
void activate(RS_Layer* layer, bool notify = false);
//! @return The active layer of NULL if no layer is activated.
RS_Layer* getActive() const {
return m_activeLayer;
}
virtual void add(RS_Layer* layerToAdd);
void fireLayerRemoved(RS_Layer* layer);
virtual void remove(RS_Layer* layerToRemove);
virtual void edit(RS_Layer* layer, const RS_Layer& source);
RS_Layer* find(const QString& name);
int getIndex(const QString& name);
int getIndex(RS_Layer* layer);
void toggle(const QString& name);
void toggle(RS_Layer* layer);
void toggleLock(RS_Layer* layer);
void togglePrint(RS_Layer* layer);
void toggleConstruction(RS_Layer* layer);
void freezeAll(bool freeze);
void lockAll(bool lock);
void toggleLockMulti(QList<RS_Layer*> layers);
void togglePrintMulti(QList<RS_Layer*> layers);
void toggleConstructionMulti(QList<RS_Layer*> layers);
void toggleFreezeMulti(QList<RS_Layer*> layers);
void setFreezeMulti(QList<RS_Layer*> layersEnable, QList<RS_Layer*> layersDisable);
void setLockMulti(QList<RS_Layer*> layersToUnlock, QList<RS_Layer*> layersToLock);
void setPrintMulti(QList<RS_Layer*> layersNoPrint, QList<RS_Layer*> layersPrint);
void setConstructionMulti(QList<RS_Layer*> layersNoConstruction, QList<RS_Layer*> layersConstruction);
void fireEdit(RS_Layer* layer);
void addListener(RS_LayerListListener* listener);
void removeListener(RS_LayerListListener* listener);
/**
* Sets the layer lists modified status to 'm'.
*/
void setModified(bool m);
/**
* @retval true The layer list has been modified.
* @retval false The layer list has not been modified.
*/
virtual bool isModified() const {
return m_modified;
}
/**
* @brief sort by layer names
*/
void sort();
void fireLayerAdded(RS_Layer* layer);
void fireLayerToggled();
void slotUpdateLayerList();
friend std::ostream& operator << (std::ostream& os, RS_LayerList& l);
private:
//! layers in the graphic
QList<RS_Layer*> m_layers;
//! List of registered LayerListListeners
QList<RS_LayerListListener*> m_layerListListeners;
RS_Layer *m_activeLayer = nullptr;
/** Flag set if the layer list was modified and not yet saved. */
bool m_modified = false;
};
#endif
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