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add undo command for linkable element

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git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@2716 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
blacksun
2014-01-07 20:11:28 +00:00
parent b1704f8260
commit 6e58482495
6 changed files with 76 additions and 1 deletions
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1
sources/qetgraphicsitem/element.h
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@@ -92,6 +92,7 @@ class Element : public QetGraphicsItem {
bool isFree () const;
virtual void linkToElement(Element *) {}
virtual void unlinkAllElements() {}
virtual void unlinkElement(Element *elmt) {}
void initLink(QETProject *);
QList<Element *> linkedElements () const;

11
sources/qetgraphicsitem/reportelement.cpp
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@@ -77,6 +77,17 @@ void ReportElement::unlinkAllElements(){
}
}
}
/**
* @brief ReportElement::unlinkElement
*unlink the specified element.
*for reportelement, they must be only one linked element, so we call
*unlinkAllElements for clear the connected_elements list.
* @param elmt
*/
void ReportElement::unlinkElement(Element *elmt) {
Q_UNUSED (elmt);
unlinkAllElements();
}
/**
* @brief ReportElement::linkType

1
sources/qetgraphicsitem/reportelement.h
View File

@@ -34,6 +34,7 @@ class ReportElement : public CustomElement {
~ReportElement();
virtual void linkToElement(Element *);
virtual void unlinkAllElements();
virtual void unlinkElement(Element *elmt);
virtual int linkType() const;
private: