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#include "tikzit.h"
#include "tikzscene.h"
#include <QPen>
#include <QBrush>
#include <QDebug>
TikzScene::TikzScene(Graph *graph, QObject *parent) :
QGraphicsScene(parent), _graph(graph)
{
}
Graph *TikzScene::graph() const
{
return _graph;
}
void TikzScene::setGraph(Graph *graph)
{
_graph = graph;
graphReplaced();
}
void TikzScene::graphReplaced()
{
foreach (NodeItem *ni, nodeItems) {
removeItem(ni);
delete ni;
}
nodeItems.clear();
foreach (EdgeItem *ei, edgeItems) {
removeItem(ei);
delete ei;
}
edgeItems.clear();
foreach (Edge *e, _graph->edges()) {
EdgeItem *ei = new EdgeItem(e);
edgeItems << ei;
addItem(ei);
}
foreach (Node *n, _graph->nodes()) {
NodeItem *ni = new NodeItem(n);
nodeItems << ni;
addItem(ni);
}
}
void TikzScene::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
// TODO: check if we grabbed a control point
QGraphicsScene::mousePressEvent(event);
}
void TikzScene::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
//foreach (Edge *e, _graph->edges()) { e->updateControls(); }
foreach (EdgeItem *ei, edgeItems) {
ei->edge()->updateControls();
ei->syncPos();
}
QGraphicsScene::mouseMoveEvent(event);
}
void TikzScene::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
QGraphicsScene::mouseReleaseEvent(event);
}
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