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Revamp the class link and unlink element command

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git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@4001 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
blacksun
2015-06-08 18:18:35 +00:00
parent 5a81f9859f
commit e195ab634e
8 changed files with 369 additions and 214 deletions
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17
sources/ui/linksingleelementwidget.cpp
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@@ -19,8 +19,8 @@
#include "ui_linksingleelementwidget.h"
#include "diagram.h"
#include "elementprovider.h"
#include "diagramcommands.h"
#include "elementselectorwidget.h"
#include "linkelementcommand.h"
/**
* @brief LinkSingleElementWidget::LinkSingleElementWidget
@@ -104,10 +104,17 @@ void LinkSingleElementWidget::apply()
*/
QUndoCommand *LinkSingleElementWidget::associatedUndo() const
{
if (esw_->selectedElement())
return new LinkElementsCommand(m_element, esw_->selectedElement());
else if (unlink_)
return new unlinkElementsCommand(m_element);
if (esw_->selectedElement() || unlink_)
{
LinkElementCommand *undo = new LinkElementCommand(m_element);
if (esw_->selectedElement())
undo->setLink(esw_->selectedElement());
else if (unlink_)
undo->unlinkAll();
return undo;
}
return nullptr;
}