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Rapatriement de la branche 0.2 dans le trunk
git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@558 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
xavier
207
sources/editor/partrectangle.cpp
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207
sources/editor/partrectangle.cpp
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/*
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Copyright 2006-2009 Xavier Guerrin
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This file is part of QElectroTech.
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QElectroTech is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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QElectroTech is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "partrectangle.h"
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#include "rectangleeditor.h"
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/**
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Constructeur
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@param editor L'editeur d'element concerne
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@param parent Le QGraphicsItem parent de ce rectangle
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@param scene La scene sur laquelle figure ce rectangle
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*/
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PartRectangle::PartRectangle(QETElementEditor *editor, QGraphicsItem *parent, QGraphicsScene *scene) : QGraphicsRectItem(parent, scene), CustomElementGraphicPart(editor) {
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setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
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setAcceptedMouseButtons(Qt::LeftButton);
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informations = new RectangleEditor(elementEditor(), this);
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informations -> setElementTypeName(name());
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style_editor -> appendWidget(informations);
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style_editor -> setElementTypeName(name());
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}
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/// Destructeur
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PartRectangle::~PartRectangle() {
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}
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/**
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Dessine le rectangle
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@param painter QPainter a utiliser pour rendre le dessin
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@param options Options pour affiner le rendu
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@param widget Widget sur lequel le rendu est effectue
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*/
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void PartRectangle::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *) {
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applyStylesToQPainter(*painter);
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QPen t = painter -> pen();
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if (isSelected()) {
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t.setColor(Qt::red);
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}
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// force le type de jointures pour les rectangles
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t.setJoinStyle(Qt::MiterJoin);
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// force le dessin avec un trait fin si l'une des dimensions du rectangle est nulle
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if (!rect().width() || !rect().height()) {
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t.setWidth(0);
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}
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painter -> setPen(t);
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painter -> drawRect(rect());
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if (isSelected()) {
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painter -> setRenderHint(QPainter::Antialiasing, false);
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painter -> setPen((painter -> brush().color() == QColor(Qt::black) && painter -> brush().isOpaque()) ? Qt::yellow : Qt::blue);
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QPointF center = rect().center();
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painter -> drawLine(QLineF(center.x() - 2.0, center.y(), center.x() + 2.0, center.y()));
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painter -> drawLine(QLineF(center.x(), center.y() - 2.0, center.x(), center.y() + 2.0));
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}
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}
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/**
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Exporte le rectangle en XML
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@param xml_document Document XML a utiliser pour creer l'element XML
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@return un element XML decrivant le rectangle
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*/
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const QDomElement PartRectangle::toXml(QDomDocument &xml_document) const {
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QDomElement xml_element = xml_document.createElement("rect");
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QPointF top_left(sceneTopLeft());
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xml_element.setAttribute("x", QString("%1").arg(top_left.x()));
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xml_element.setAttribute("y", QString("%1").arg(top_left.y()));
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xml_element.setAttribute("width", QString("%1").arg(rect().width()));
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xml_element.setAttribute("height", QString("%1").arg(rect().height()));
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stylesToXml(xml_element);
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return(xml_element);
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}
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/**
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Importe les proprietes d'une rectangle depuis un element XML
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@param qde Element XML a lire
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*/
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void PartRectangle::fromXml(const QDomElement &qde) {
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stylesFromXml(qde);
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setRect(
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QRectF(
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mapFromScene(
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qde.attribute("x", "0").toDouble(),
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qde.attribute("y", "0").toDouble()
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),
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QSizeF(
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qde.attribute("width", "0").toDouble(),
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qde.attribute("height", "0").toDouble()
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)
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)
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);
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}
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/**
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Specifie la valeur d'une propriete donnee du rectangle
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@param property propriete a modifier. Valeurs acceptees :
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* x : abscisse du coin superieur gauche du rectangle
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* y : ordonnee du coin superieur gauche du rectangle
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* width : largeur du rectangle
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* height : hauteur du rectangle
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@param value Valeur a attribuer a la propriete
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*/
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void PartRectangle::setProperty(const QString &property, const QVariant &value) {
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CustomElementGraphicPart::setProperty(property, value);
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if (!value.canConvert(QVariant::Double)) return;
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if (property == "x") {
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QRectF current_rect = rect();
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QPointF current_pos = mapToScene(current_rect.topLeft());
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setRect(current_rect.translated(value.toDouble() - current_pos.x(), 0.0));
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} else if (property == "y") {
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QRectF current_rect = rect();
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QPointF current_pos = mapToScene(current_rect.topLeft());
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setRect(current_rect.translated(0.0, value.toDouble() - current_pos.y()));
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} else if (property == "width") {
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qreal new_width = qAbs(value.toDouble());
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QRectF current_rect = rect();
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current_rect.setWidth(new_width);
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setRect(current_rect);
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} else if (property == "height") {
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qreal new_height = qAbs(value.toDouble());
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QRectF current_rect = rect();
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current_rect.setHeight(new_height);
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setRect(current_rect);
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}
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update();
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}
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/**
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Permet d'acceder a la valeur d'une propriete donnee du rectangle
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@param property propriete lue. Valeurs acceptees :
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* x : abscisse du coin superieur gauche du rectangle
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* y : ordonnee du coin superieur gauche du rectangle
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* width : largeur du rectangle
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* height : hauteur du rectangle
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@return La valeur de la propriete property
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*/
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QVariant PartRectangle::property(const QString &property) {
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// appelle la methode property de CustomElementGraphicpart pour les styles
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QVariant style_property = CustomElementGraphicPart::property(property);
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if (style_property != QVariant()) return(style_property);
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if (property == "x") {
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return(mapToScene(rect().topLeft()).x());
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} else if (property == "y") {
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return(mapToScene(rect().topLeft()).y());
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} else if (property == "width") {
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return(rect().width());
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} else if (property == "height") {
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return(rect().height());
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}
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return(QVariant());
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}
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/**
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Gere les changements intervenant sur cette partie
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@param change Type de changement
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@param value Valeur numerique relative au changement
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*/
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QVariant PartRectangle::itemChange(GraphicsItemChange change, const QVariant &value) {
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if (scene()) {
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if (change == QGraphicsItem::ItemPositionChange || change == QGraphicsItem::ItemSelectedChange) {
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informations -> updateForm();
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}
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}
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return(QGraphicsRectItem::itemChange(change, value));
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}
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/**
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@return le coin superieur gauche du rectangle, dans les coordonnees de la
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scene.
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*/
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QPointF PartRectangle::sceneTopLeft() const {
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return(mapToScene(rect().topLeft()));
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}
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/**
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@return true si cette partie n'est pas pertinente et ne merite pas d'etre
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conservee / enregistree.
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Un rectangle est pertinent des lors que ses dimensions ne sont pas nulles.
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*/
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bool PartRectangle::isUseless() const {
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return(rect().isNull());
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}
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/**
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@return le rectangle delimitant cette partie.
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*/
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QRectF PartRectangle::boundingRect() const {
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qreal adjust = 1.5;
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QRectF r(QGraphicsRectItem::boundingRect().normalized());
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r.adjust(-adjust, -adjust, adjust, adjust);
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return(r);
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}
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