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/**
*
* This file is part of Tulip (www.tulip-software.org)
*
* Authors: David Auber and the Tulip development Team
* from LaBRI, University of Bordeaux
*
* Tulip is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* Tulip 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.
*
*/
#include "PathHighlighter.h"
using namespace tlp;
using namespace std;
#include <tulip/GlMainWidget.h>
#include <tulip/GlMainView.h>
#include <tulip/GlGraphComposite.h>
PathHighlighter::PathHighlighter(const string &name) :
name(name), backupScene(0), entityId(0) {
}
PathHighlighter::~PathHighlighter() {
if (backupScene)
backupScene->removeLayer(getWorkingLayer(backupScene), true);
}
GlGraphInputData *PathHighlighter::getInputData(GlMainWidget *glMainWidget) {
return glMainWidget->getScene()->getGlGraphComposite()->getInputData();
}
GlLayer *PathHighlighter::getWorkingLayer(GlScene *scene) {
GlLayer *result(scene->getLayer(getName()));
if (result)
return result;
result = new GlLayer(getName(), false);
result->setSharedCamera(&scene->getLayer("Main")->getCamera());
scene->addExistingLayer(result);
return result;
}
void PathHighlighter::clear() {
if (backupScene) {
GlLayer *layer = getWorkingLayer(backupScene);
for (map<string, bool>::iterator it = entities.begin(); it != entities.end(); ++it) {
string entityName(it->first);
bool deleteOnExit(it->second);
GlSimpleEntity *entity(layer->findGlEntity(entityName));
if (entity) {
layer->deleteGlEntity(entity);
if (deleteOnExit)
delete entity;
}
}
entities.clear();
}
}
void PathHighlighter::addGlEntity(GlScene *scene, GlSimpleEntity *entity, bool deleteOnExit, const string &name) {
string realName = name;
if (realName.compare("") == 0) {
stringstream ss;
ss << getName() << entityId++;
realName = ss.str();
}
if (backupScene)
backupScene->removeListener(this);
backupScene = scene;
backupScene->addListener(this);
GlLayer *layer = getWorkingLayer(backupScene);
entities[realName] = deleteOnExit;
layer->addGlEntity(entity, realName);
}
void PathHighlighter::treatEvent(const Event &ev) {
if (ev.type()==Event::TLP_DELETE) {
if (ev.sender() == backupScene) {
// reset backupScene to avoid segfault
// on destructor invocation
backupScene = NULL;
}
}
}
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