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/*****************************************************************************
* Copyright (c) 2009 CEA LIST & LIFL
*
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Cedric Dumoulin Cedric.dumoulin@lifl.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.infra.core.sasheditor.contentprovider.singlefolder;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.papyrus.infra.core.sasheditor.contentprovider.IPageModel;
import org.eclipse.papyrus.infra.core.sasheditor.contentprovider.ITabFolderModel;
import org.eclipse.papyrus.infra.core.sasheditor.contentprovider.IContentChangedListener.ContentEvent;
/**
* Basic implementation allowing to add item to be shown.
*
* @author dumoulin
*
*/
public class SingleFolderModel implements ITabFolderModel {
/**
* List of items to be shown
*/
private List<IPageModel> itemModels = new ArrayList<IPageModel>();
/**
* The root of the sash models
*/
private SingleFolderContentProvider contentProvider;
/**
* Constructor.
*/
public SingleFolderModel(SingleFolderContentProvider contentProvider) {
this.contentProvider = contentProvider;
}
/**
*
*/
public List<?> getChildren() {
return itemModels;
}
/**
* This default implementation return directly the child which is already of the appropriate type.
*/
public IPageModel createChildSashModel(Object child) {
// In this default implementation, the child is already of the appropriate type.
return (IPageModel)child;
}
/**
* Add a new model.
*
* @param newModel
*/
public void addItem(IPageModel newModel) {
itemModels.add(newModel);
contentProvider.firePropertyChanged(new ContentEvent(ContentEvent.ADDED, this, newModel));
}
/**
* Add a model at the specified position.
*
* @param index
* @param newModel
*/
public void addItem(int index, IPageModel newModel) {
itemModels.add(index, newModel);
contentProvider.firePropertyChanged(new ContentEvent(ContentEvent.ADDED, this, newModel));
}
/**
* Remove the specified tab.
*
* @param index
* @return
*/
public IPageModel removeTab(int index) {
IPageModel removed = itemModels.remove(index);
contentProvider.firePropertyChanged(new ContentEvent(ContentEvent.ADDED, this, removed));
return removed;
}
/**
* Remove the specified tab.
*
* @param tabItem
*/
public void removeTab(IPageModel tabItem) {
itemModels.remove(tabItem);
contentProvider.firePropertyChanged(new ContentEvent(ContentEvent.ADDED, this, tabItem));
}
/**
* Move a tab inside the folder.
* Moves the tab from the old position to the new position.
*
* @param oldIndex
* the position of the tab before the move.
* @param newIndex
* the position of the tab after the move.
*/
public void moveTab(int oldIndex, int newIndex) {
int listSize = itemModels.size();
if(newIndex >= listSize) {
newIndex = listSize - 1;
}
if(newIndex < 0) {
newIndex = 0;
}
if(oldIndex == newIndex)
return;
if(listSize == 0)
return;
// Move
IPageModel toMove = itemModels.remove(oldIndex);
itemModels.add(newIndex, toMove);
contentProvider.firePropertyChanged(new ContentEvent(ContentEvent.MOVED, this, toMove));
}
}
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