kotschak/qelectrotech-source-mirror
0
0
Fork 0
mirror of https://github.com/qelectrotech/qelectrotech-source-mirror.git synced 2026-01-03 11:00:53 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

Revamp the class link and unlink element command

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

61
sources/undocommand/linkelementcommand.h Normal file
View File

@@ -0,0 +1,61 @@
/*
Copyright 2006-2015 The QElectroTech Team
This file is part of QElectroTech.
QElectroTech is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
QElectroTech is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LINKELEMENTCOMMAND_H
#define LINKELEMENTCOMMAND_H
#include <QUndoCommand>
class Element;
/**
* @brief The LinkElementCommand class
* This undo class manage link between elements.
* In the same instance of this class, we can link and unlink elements from an edited element
* This undo class support the merge.
*/
class LinkElementCommand : public QUndoCommand
{
public:
LinkElementCommand(Element *element_, QUndoCommand *parent = 0);
virtual int id() const {return 2;}
virtual bool mergeWith(const QUndoCommand *other);
static bool isLinkable (Element *element_a, Element *element_b, bool already_linked = false);
void addLink (QList<Element *> element_list);
void addLink (Element *element_);
void setLink (QList<Element *> element_list);
void setLink (Element *element_);
void unlink (QList<Element *> element_list);
void unlinkAll ();
void undo();
void redo();
private:
void setUpNewLink (const QList<Element *> &element_list, bool already_link);
void makeLink (const QList <Element *> &element_list);
private:
Element *m_element;
QList<Element *> m_linked_before; //<Linked elements before this command, or when we call "undo"
QList<Element *> m_linked_after; //<Linked elements after this command, or when we recall "redo"
};
#endif // LINKELEMENTCOMMAND_H