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koffice/chalk/ui/kis_populate_visitor.h

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/*
* Copyright (c) 2005 Gábor Lehel <illissius@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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.
*/
#ifndef KIS_POPULATE_VISITOR_H
#define KIS_POPULATE_VISITOR_H
#include <kiconloader.h>
#include "kis_types.h"
#include "kis_layer.h"
#include "kis_group_layer.h"
#include "kis_paint_layer.h"
#include "kis_part_layer.h"
#include "kis_adjustment_layer.h"
#include "kis_layerlist.h"
/**
* This visitor walks over the layer tree to fill
* the layer box.
*/
class KisPopulateVisitor: public KisLayerVisitor
{
public:
KisPopulateVisitor(KisLayerList* widget)
: m_widget(widget)
, m_parent(0)
{ }
KisPopulateVisitor(KisLayerItem* tqparent)
: m_widget(tqparent->listView())
, m_parent(tqparent)
{ }
virtual bool visit(KisPaintLayer* layer)
{
if (!layer->temporary())
add(layer);
return true;
}
virtual bool visit(KisPartLayer* layer)
{
add(layer)->setPixmap(0, SmallIcon("gear", 16));
return true;
}
virtual bool visit(KisAdjustmentLayer* layer)
{
add(layer)->setPixmap(0, SmallIcon("tool_filter", 16));
return true;
}
virtual bool visit(KisGroupLayer* layer)
{
KisLayerItem* item = add(layer);
item->makeFolder();
KisPopulateVisitor visitor(item);
for (KisLayerSP l = layer->firstChild(); l; l = l->nextSibling())
l->accept(visitor);
vKisLayerSP childLayersAdded = visitor.layersAdded();
for (vKisLayerSP::iterator it = childLayersAdded.begin(); it != childLayersAdded.end(); ++it) {
m_layersAdded.append(*it);
}
return true;
}
vKisLayerSP layersAdded() const
{
return m_layersAdded;
}
private:
LayerList* m_widget;
KisLayerItem* m_parent;
vKisLayerSP m_layersAdded;
KisLayerItem* add(KisLayer* layer)
{
if (!layer) return 0;
KisImageSP img = layer->image();
if (!img) return 0;
KisLayerItem *item;
if (m_parent) {
item = new KisLayerItem(m_parent, layer);
}
else {
item = new KisLayerItem(m_widget, layer);
}
if (layer == img->activeLayer()) {
item->setActive();
}
m_layersAdded.append(layer);
return item;
}
};
#endif