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https://github.com/qelectrotech/qelectrotech-source-mirror.git
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75ca8fd3f2
git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@94 bfdf4180-ca20-0410-9c96-a3a8aa849046
90 lines
2.6 KiB
C++
90 lines
2.6 KiB
C++
#include "polygoneditor.h"
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#include "partpolygon.h"
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/**
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Constructeur
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@param p Le polygone a editer
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@param parent le Widget parent
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*/
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PolygonEditor::PolygonEditor(PartPolygon *p, QWidget *parent) :
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QWidget(parent),
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points_list(this),
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close_polygon(tr("Polygone ferm\351"), this)
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{
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part = p;
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// prepare la liste de points
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points_list.setColumnCount(2);
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QStringList headers;
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headers << tr("x") << tr("y");
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points_list.setHeaderLabels(headers);
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points_list.setRootIsDecorated(false);
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updateForm();
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// layout
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QVBoxLayout *layout = new QVBoxLayout(this);
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layout -> addWidget(new QLabel(tr("Points du polygone :")));
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layout -> addWidget(&points_list);
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layout -> addWidget(&close_polygon);
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// connexions signaux/slots
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connect(&close_polygon, SIGNAL(stateChanged(int)), this, SLOT(updatePolygonClosedState()));
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connect(&points_list, SIGNAL(itemChanged(QTreeWidgetItem *, int)), this, SLOT(validColumn(QTreeWidgetItem *, int)));
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}
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void PolygonEditor::updatePolygon() {
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updatePolygonPoints();
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updatePolygonClosedState();
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}
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void PolygonEditor::updatePolygonPoints() {
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QVector<QPointF> points = getPointsFromTree();
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if (points.count() < 2) {
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QMessageBox::warning(
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this,
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tr("Erreur"),
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tr("Le polygone doit comporter au moins deux points.")
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);
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return;
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}
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part -> setPolygon(points);
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}
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void PolygonEditor::updatePolygonClosedState() {
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part -> setClosed(close_polygon.isChecked());
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}
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void PolygonEditor::updateForm() {
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while(points_list.takeTopLevelItem(0));
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foreach(QPointF point, part -> polygon()) {
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point = part -> mapToScene(point);
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QStringList qsl;
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qsl << QString("%1").arg(point.x()) << QString("%1").arg(point.y());
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QTreeWidgetItem *qtwi = new QTreeWidgetItem(qsl);
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qtwi -> setFlags(Qt::ItemIsEnabled | Qt::ItemIsEditable | Qt::ItemIsSelectable);
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points_list.addTopLevelItem(qtwi);
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}
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close_polygon.setChecked(part -> isClosed());
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}
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QVector<QPointF> PolygonEditor::getPointsFromTree() {
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QVector<QPointF> points;
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for(int i = 0 ; i < points_list.topLevelItemCount() ; ++ i) {
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QTreeWidgetItem *qtwi = points_list.topLevelItem(i);
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bool x_convert_ok, y_convert_ok;
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qreal x = qtwi -> text(0).toDouble(&x_convert_ok);
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qreal y = qtwi -> text(1).toDouble(&y_convert_ok);
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if (!x_convert_ok || !y_convert_ok) continue;
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points << part -> mapFromScene(QPointF(x, y));
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}
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return(points);
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}
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void PolygonEditor::validColumn(QTreeWidgetItem *qtwi, int column) {
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bool convert_ok;
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qtwi -> text(column).toDouble(&convert_ok);
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if (convert_ok) {
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points_list.closePersistentEditor(qtwi, column);
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updatePolygonPoints();
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} else points_list.openPersistentEditor(qtwi, column);
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}
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