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add cross reference graphic item, only for master element.

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(basic implementation, need to be improved)


git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@2906 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
blacksun
2014-03-03 17:31:45 +00:00
parent b59e562e35
commit 020d4f575c
5 changed files with 235 additions and 2 deletions
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15
sources/qetgraphicsitem/masterelement.cpp
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@@ -29,6 +29,7 @@ MasterElement::MasterElement(const ElementsLocation &location, QGraphicsItem *qg
CustomElement(location, qgi, s, state)
{
link_type_ = Master;
cri_ = 0;
}
/**
@@ -48,9 +49,12 @@ MasterElement::~MasterElement() {
void MasterElement::linkToElement(Element *elmt) {
// check if element is slave and if isn't already linked
if (elmt->linkType() == Slave && !connected_elements.contains(elmt)) {
///TODO create the cross ref and connection
connected_elements << elmt;
elmt->linkToElement(this);
//create cross ref item if not yet
if (!cri_) cri_ = new CrossRefItem(this, this);
connect(elmt, SIGNAL(positionChange(QPointF)), cri_, SLOT(updateLabel()));
cri_->updateLabel();
}
}
@@ -77,5 +81,14 @@ void MasterElement::unlinkElement(Element *elmt) {
if (connected_elements.contains(elmt)) {
connected_elements.removeOne(elmt);
elmt->unlinkElement(this);
//update the graphics cross ref
disconnect(elmt, SIGNAL(positionChange(QPointF)), cri_, SLOT(updateLabel()));
if (isFree()) {
delete cri_;
cri_ = 0;
}
else {
cri_->updateLabel();
}
}
}