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/*
* Inkscape::LayerManager - a view of a document's layers, relative
* to a particular desktop
*
* Copyright 2006 MenTaLguY <mental@rydia.net>
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include <sigc++/functors/mem_fun.h>
#include <sigc++/adaptors/hide.h>
#include "gc-managed.h"
#include "gc-finalized.h"
#include "document.h"
#include "desktop.h"
#include "layer-manager.h"
#include "ui/view/view.h"
#include "sp-object.h"
namespace Inkscape {
LayerManager::LayerManager(SPDesktop *desktop)
: _desktop(desktop), _document(NULL)
{
_layer_connection = desktop->connectCurrentLayerChanged(sigc::hide<0>(sigc::mem_fun(*this, &LayerManager::_rebuild)));
_document_connection = desktop->connectDocumentReplaced(sigc::hide<0>(sigc::mem_fun(*this, &LayerManager::_setDocument)));
_setDocument(desktop->doc());
}
void LayerManager::_setDocument(SPDocument *document) {
if (_document) {
_resource_connection.disconnect();
}
_document = document;
if (document) {
_resource_connection = sp_document_resources_changed_connect(document, "layer", sigc::mem_fun(*this, &LayerManager::_rebuild));
}
_rebuild();
}
void LayerManager::_rebuild() {
_clear();
GSList const *layers=sp_document_get_resource_list(_document, "layers");
for ( GSList const *iter=layers ; iter ; iter = iter->next ) {
SPObject *layer=static_cast<SPObject *>(iter->data);
_addOne(layer);
}
SPObject *root=_desktop->currentRoot();
SPObject *layer=_desktop->currentLayer();
for ( ; layer ; layer = SP_OBJECT_PARENT(layer) ) {
if (!includes(layer)) {
_addOne(layer);
}
if ( layer == root ) {
break;
}
}
}
}
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
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