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Support (basique) des numeros sur les conducteurs

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git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@75 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
xavierqet
2007-03-08 20:29:13 +00:00
parent b6588177bb
commit e90a2271a6
2 changed files with 56 additions and 0 deletions
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52
conducer.cpp
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@@ -42,6 +42,12 @@ Conducer::Conducer(Terminal *p1, Terminal* p2, Element *parent, QGraphicsScene *
setFlags(QGraphicsItem::ItemIsSelectable);
setAcceptsHoverEvents(true);
previous_z_value = zValue();
// ajout du champ de texte editable
text_item = new QGraphicsTextItem(this, scene);
text_item -> setPlainText("_");
text_item -> setTextInteractionFlags(Qt::TextEditorInteraction);
calculateTextItemPosition();
}
/**
@@ -58,6 +64,7 @@ void Conducer::update(const QRectF &rect) {
terminal1 -> amarrageConducer(), terminal1 -> orientation(),
terminal2 -> amarrageConducer(), terminal2 -> orientation()
);
calculateTextItemPosition();
QGraphicsPathItem::update(rect);
}
@@ -84,6 +91,7 @@ void Conducer::updateWithNewPos(const QRectF &rect, const Terminal *b, const QPo
priv_modifieConducer(p1, terminal1 -> orientation(), p2, terminal2 -> orientation());
else
priv_calculeConducer(p1, terminal1 -> orientation(), p2, terminal2 -> orientation());
calculateTextItemPosition();
QGraphicsPathItem::update(rect);
}
@@ -480,6 +488,7 @@ void Conducer::mouseMoveEvent(QGraphicsSceneMouseEvent *e) {
modified_path = true;
updatePoints();
segmentsToPath();
calculateTextItemPosition();
}
}
QGraphicsPathItem::mouseMoveEvent(e);
@@ -495,6 +504,7 @@ void Conducer::mouseReleaseEvent(QGraphicsSceneMouseEvent *e) {
moving_segment = false;
setZValue(previous_z_value);
QGraphicsPathItem::mouseReleaseEvent(e);
calculateTextItemPosition();
}
void Conducer::hoverMoveEvent(QGraphicsSceneHoverEvent *e) {
@@ -671,6 +681,8 @@ bool Conducer::hasClickedOn(QPointF press_point, QPointF point) {
}
bool Conducer::fromXml(QDomElement &e) {
text_item -> setPlainText(e.attribute("num"));
// parcourt les elements XML "segment" et en extrait deux listes de longueurs
// les segments non valides sont ignores
QList<qreal> segments_x, segments_y;
@@ -743,6 +755,7 @@ QDomElement Conducer::toXml(QDomDocument &d, QHash<Terminal *, int> &table_adr_i
QDomElement e = d.createElement("conducteur");
e.setAttribute("borne1", table_adr_id.value(terminal1));
e.setAttribute("borne2", table_adr_id.value(terminal2));
e.setAttribute("num", text_item -> toPlainText());
// on n'exporte les segments du conducteur que si ceux-ci ont
// ete modifies par l'utilisateur
@@ -764,3 +777,42 @@ QDomElement Conducer::toXml(QDomDocument &d, QHash<Terminal *, int> &table_adr_i
e.appendChild(current_segment);
return(e);
}
/**
@return La longueur totale du conducteur
*/
qreal Conducer::length() {
qreal length = 0.0;
ConducerSegment *s = segments;
while (s -> hasNextSegment()) {
length += qAbs(s -> length());
s = s -> nextSegment();
}
return(length);
}
/**
@return Le segment qui contient le point au milieu du conducteur
*/
ConducerSegment *Conducer::middleSegment() {
if (segments == NULL) return(NULL);
qreal half_length = length() / 2.0;
ConducerSegment *s = segments;
qreal l = 0;
while (s -> hasNextSegment()) {
l += qAbs(s -> length());
if (l >= half_length) break;
s = s -> nextSegment();
}
// s est le segment qui contient le point au milieu du conducteur
return(s);
}
void Conducer::calculateTextItemPosition() {
text_item -> setPos(middleSegment() -> middle());
}