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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 1 and Inria Bordeaux - Sud Ouest
*
* 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 "MouseMagicWandSelector.h"
#include <iostream>
#include <QtGui/QMouseEvent>
#include <tulip/GlMainWidget.h>
#include "MagicSelectionInteractorConfigWidget.h"
using namespace std;
using namespace tlp;
tlp::MouseMagicWandSelector::MouseMagicWandSelector(MagicSelectionInteractorConfigWidget* configWidget):x(0),y(0),w(0),h(0),graph(0),configWidget(configWidget) {
}
bool tlp::MouseMagicWandSelector::eventFilter(QObject* widget, QEvent* e) {
QMouseEvent *qMouseEv = (QMouseEvent*)e;
if(qMouseEv != NULL) {
node tmpNode;
edge tmpEdge;
ElementType type;
GlMainWidget *glMainWidget = (GlMainWidget *) widget;
bool hoveringOverNode = glMainWidget->doSelect(qMouseEv->x(), qMouseEv->y(), type, tmpNode, tmpEdge) && type == NODE;
if(e->type() == QEvent::MouseMove) {
if (hoveringOverNode) {
glMainWidget->setCursor(QCursor(QPixmap(":/i_magic.png"), 4, 5));
}
else {
glMainWidget->setCursor(Qt::ArrowCursor);
}
}
if (e->type() == QEvent::MouseButtonPress) {
if (qMouseEv->button()==Qt::LeftButton) {
if (!hoveringOverNode) {
return true;
}
Observable::holdObservers();
GlGraphInputData *inputData=glMainWidget->getScene()->getGlGraphComposite()->getInputData();
graph = inputData->getGraph();
//the metric to check the value of in order to select the nodes or not
DoubleProperty* metric = graph->getProperty<DoubleProperty>(configWidget->propertyName().toStdString());
//the selection to add nodes to
BooleanProperty* selection = graph->getProperty<BooleanProperty>("viewSelection");
//temporary property to check whether the node has already been visited
BooleanProperty* visited = graph->getProperty<BooleanProperty>("tmpVisited");
//No node is visited in the initial state
visited->setAllNodeValue(false);
visited->setAllEdgeValue(false);
switch(configWidget->selectionBehavior()) {
case Replace:
selection->setAllNodeValue(false);
selection->setAllEdgeValue(false);
break;
default:
break;
}
double initValue = metric->getNodeValue(tmpNode);
list <node> bfsFifo;
bfsFifo.push_back(tmpNode);
while(!bfsFifo.empty()) {
node itn = bfsFifo.front();
bfsFifo.pop_front();
switch(configWidget->selectionBehavior()) {
case Add:
case Replace:
selection->setNodeValue(itn, true);
break;
case Remove:
selection->setNodeValue(itn, false);
break;
case Intersect:
break;
}
visited->setNodeValue(itn,true);
//let's add all the in/out nodes of this node to the list of nodes to check
Iterator<node> *itN;
if(configWidget->directedSelection()) {
itN = graph->getOutNodes(itn);
}
else {
itN = graph->getInOutNodes(itn);
}
while (itN->hasNext()) {
node itv = itN->next();
double curValue = metric->getNodeValue(itv);
if ( shouldSelectvalue(initValue, curValue) && (!visited->getNodeValue(itv)) ) {
bfsFifo.push_back(itv);
}
}
delete itN;
}
Observable::unholdObservers();
if(configWidget->selectionBehavior() == Intersect) {
Iterator<node>* selectedNodes = selection->getNodesEqualTo(true);
while(selectedNodes->hasNext()) {
node n = selectedNodes->next();
selection->setNodeValue(n, visited->getNodeValue(n));
}
delete selectedNodes;
}
return true;
}
}
}
return false;
}
void MouseMagicWandSelector::setView(View* view) {
tlp::InteractorComponent::setView(view);
if(view) {
configWidget->setGraph(view->getGraph());
}
}
bool MouseMagicWandSelector::shouldSelectvalue(double originalValue, double newValue) const {
return newValue >= (originalValue - configWidget->lowerBound()) && newValue <= (originalValue + configWidget->upperBound());
}
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