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report element: label update when the linked folio report position change

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git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@2682 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
blacksun
2013-12-29 22:47:31 +00:00
parent 72ef8a20f2
commit d1e11ead59
6 changed files with 69 additions and 10 deletions
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61
sources/qetgraphicsitem/reportelement.cpp
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@@ -25,11 +25,68 @@ ReportElement::ReportElement(const ElementsLocation &location, QGraphicsItem *qg
texts().at(0)->setNoEditable();
}
/**
* @brief ReportElement::linkToElement
* Link this element to the other element
* @param elmt
* element to be linked with this
*/
void ReportElement::linkToElement(Element * elmt) {
texts().at(0)->setPlainText(QString ("%1-%2").arg(elmt->diagram()->folioIndex() + 1)
.arg(elmt->diagram() -> convertPosition(elmt -> scenePos()).toString()));
//ensure elmt isn't already linked
bool i=true;
if (!this->isFree()){
if (connected_elements.first() == elmt) i = false;
}
//ensure elmt is a report
if (elmt->linkType() == REPORT && i) {
unLinkAllElements();
connected_elements << elmt;
connect(elmt, SIGNAL(positionChange(QPointF)), this, SLOT(updateLabel()));
updateLabel();
elmt->linkToElement(this);
}
}
/**
* @brief ReportElement::unLinkAllElements
* Unlink all of the element in the QList connected_elements
*/
void ReportElement::unLinkAllElements(){
if (!isFree()){
QList <Element *> tmp_elmt = connected_elements;
foreach(Element *elmt, connected_elements) {
disconnect(elmt, SIGNAL(positionChange(QPointF)), this, SLOT(updateLabel()));
}
connected_elements.clear();
updateLabel();
foreach(Element *elmt, tmp_elmt){
elmt->unLinkAllElements();
}
}
}
/**
* @brief ReportElement::linkType
* @return the kind of link type
*/
int ReportElement::linkType() const {
return REPORT;
}
/**
* @brief ReportElement::updateLabel
* Update the displayed label.
* ie the folio and position of the linked folio report
*/
void ReportElement::updateLabel() {
if (!connected_elements.isEmpty()){
Element *elmt = connected_elements.at(0);
texts().at(0)->setPlainText(QString ("%1-%2").arg(elmt->diagram()->folioIndex() + 1)
.arg(elmt->diagram() -> convertPosition(elmt -> scenePos()).toString()));
} else {
texts().at(0)->setPlainText("_");
}
}