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add function to sort an elements list by the positions of elements.

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this function is use by:
cross ref item -> shild are always sorted
element selector widget -> list of widget are sorted.


git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@2931 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
blacksun
2014-03-18 12:35:36 +00:00
parent 9402541022
commit e516cc6a87
3 changed files with 34 additions and 2 deletions
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11
sources/qetgraphicsitem/element.h
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@@ -104,7 +104,7 @@ class Element : public QetGraphicsItem {
virtual void unlinkAllElements() {}
virtual void unlinkElement(Element *) {}
void initLink(QETProject *);
QList<Element *> linkedElements () const;
QList<Element *> linkedElements ();
virtual int linkType() const {return link_type_;} // @return the linkable type
void newUuid() {uuid_ = QUuid::createUuid();} //create new uuid for this element
@@ -179,6 +179,8 @@ class Element : public QetGraphicsItem {
void updatePixmap();
};
bool comparPos(const Element * elmt1, const Element * elmt2);
inline bool Element::isFree() const {
return (connected_elements.isEmpty());
}
@@ -221,7 +223,12 @@ inline QUuid Element::uuid() const {
return uuid_;
}
inline QList <Element *> Element::linkedElements() const {
/**
* @brief Element::linkedElements
* @return the list of linked elements, the list is sorted by position
*/
inline QList <Element *> Element::linkedElements() {
qSort(connected_elements.begin(), connected_elements.end(), comparPos);
return connected_elements;
}