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Cross ref item, check properties for show power contacts or not.

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Change properties in project is applied immediately to cross ref


git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@2985 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
blacksun
2014-04-12 12:51:25 +00:00
parent c7fe3f583b
commit ff14edda6b
4 changed files with 58 additions and 6 deletions
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52
sources/qetgraphicsitem/masterelement.cpp
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@@ -54,15 +54,15 @@ void MasterElement::linkToElement(Element *elmt) {
connected_elements << elmt;
elmt->linkToElement(this);
if (elmt->kindInformations()["type"].toString() != "power") {
if (!cri_) {
if (elmt->kindInformations()["type"].toString() == "power" && !diagram()->defaultXRefProperties().showPowerContact()) return;
if (!cri_) {
cri_ = new CrossRefItem(this); //create cross ref item if not yet
diagram()->addItem(cri_);
}
connect(elmt, SIGNAL(positionChange(QPointF)), cri_, SLOT(updateLabel()));
cri_->updateLabel();
}
}
}
/**
@@ -92,8 +92,17 @@ void MasterElement::unlinkElement(Element *elmt) {
disconnect(elmt, SIGNAL(positionChange(QPointF)), cri_, SLOT(updateLabel()));
bool delete_cri = true;
foreach(Element *elmt, linkedElements())
if (elmt->kindInformations()["type"].toString() != "power") delete_cri = false;
//if power contact isn't show, make sure they are only power contacts linked
//or nothing befor remove cri_
if (!diagram()->defaultXRefProperties().showPowerContact()) {
foreach(Element *elmt, linkedElements())
if (elmt->kindInformations()["type"].toString() != "power") delete_cri = false;
}
//else only make sur list is empty
else {
if (!linkedElements().isEmpty()) delete_cri = false;
}
if (delete_cri) {
diagram()->removeItem(cri_);
@@ -106,6 +115,25 @@ void MasterElement::unlinkElement(Element *elmt) {
}
}
/**
* @brief MasterElement::itemChange
* Réimplemente the protected method item change
* This is used to make connection/disconnection when this item is added/removed from a diagram
* @return
*/
QVariant MasterElement::itemChange(GraphicsItemChange change, const QVariant &value) {
if (change == QGraphicsItem::ItemSceneChange) {
if (diagram())
disconnect(diagram(), SIGNAL(XRefPropertiesChanged(XRefProperties)), this, SLOT(reLink()));
}
else if (change == QGraphicsItem::ItemSceneHasChanged) {
if (diagram())
connect(diagram(), SIGNAL(XRefPropertiesChanged(XRefProperties)), this, SLOT(reLink()));
}
return QetGraphicsItem::itemChange(change, value);
}
/**
* @brief MasterElement::updateLabel
* update label of this element
@@ -119,3 +147,17 @@ void MasterElement::updateLabel() {
setTaggedText("label", "_", false):
setTaggedText("label", label, true);
}
/**
* @brief MasterElement::reLink
* Relink all linked element.
* this method is notably used when xref properties changes
* for update the content of th e XRef
*/
void MasterElement::reLink() {
QList <Element *> elmt_list = linkedElements();
unlinkAllElements();
foreach (Element *elmt, elmt_list) {
linkToElement(elmt);
}
}