/*
* (c) Copyright 2010-2011 AgileBirds
*
* This file is part of OpenFlexo.
*
* OpenFlexo 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 3 of the License, or
* (at your option) any later version.
*
* OpenFlexo 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 OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
*
*/
package org.openflexo.xml.diff3;
import org.jdom2.Content;
import org.jdom2.Element;
import org.jdom2.Text;
public class MergeElementAction extends MergeAction {
private Content _operatedElement;
private Element _parentElement;
private Element _existingChild;
private int _insertionIndex;
public MergeElementAction(int actionIndex, MergeActionType actionType, Content operatedElement, Element parentElement,
int insertionIndex) {
this(actionIndex, actionType, operatedElement, parentElement, null, insertionIndex);
}
public MergeElementAction(int actionIndex, MergeActionType actionType, Content operatedElement, Element parentElement,
Element existingChild, int insertionIndex) {
super(actionIndex, actionType);
_insertionIndex = insertionIndex;
_parentElement = parentElement;
_operatedElement = operatedElement;
_existingChild = existingChild;
}
@Override
public void execute() {
switch (_actionType) {
case DELETE:
_parentElement.removeContent(_operatedElement);
break;
case INSERT:
if (_insertionIndex > -1) {
_parentElement.addContent(Math.min(_insertionIndex, _parentElement.getContentSize()), _operatedElement.detach());
} else {
_parentElement.addContent(_operatedElement);
}
break;
case SWAP:
_parentElement.removeContent(_existingChild);
_parentElement.addContent(_operatedElement);
break;
default:
break;
}
}
@Override
public void undo() {
switch (_actionType) {
case DELETE:
if (_insertionIndex > -1) {
_parentElement.addContent(Math.min(_insertionIndex, _parentElement.getContentSize()), _operatedElement);
} else {
_parentElement.addContent(_operatedElement);
}
break;
case INSERT:
_parentElement.removeContent(_operatedElement);
break;
case SWAP:
_parentElement.addContent(_existingChild);
_parentElement.removeContent(_operatedElement);
break;
default:
break;
}
}
@Override
public String getLabel() {
switch (_actionType) {
case DELETE:
return "delete "
+ (_operatedElement instanceof Element ? ((Element) _operatedElement).getName() : ((Text) _operatedElement).getText());
case INSERT:
return "insert "
+ (_operatedElement instanceof Element ? ((Element) _operatedElement).getName() : ((Text) _operatedElement).getText());
case SWAP:
return "replace existing child by it's concurrent";
}
return "error : action type " + _actionType + " is not supposed to be set on this conflict";
}
}