/*******************************************************************************
* Copyright (c) 2000, 2014 IBM Corporation and others.
* 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:
* IBM Corporation - initial API and implementation
* Jeanderson Candido <http://jeandersonbc.github.io> - Bug 433608
*******************************************************************************/
package org.eclipse.jface.tests.viewers.interactive;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jface.viewers.IContentProvider;
import org.eclipse.jface.viewers.ILazyContentProvider;
import org.eclipse.jface.viewers.Viewer;
/**
* The LazyVirtualTableView is the VirtualTableView with lazy content.
*/
public class LazyVirtualTableView extends VirtualTableView {
private List elements;
/**
* Create a new instance of the receiver.
*/
public LazyVirtualTableView() {
super();
initElements();
}
/**
*
*/
private void initElements() {
elements = new ArrayList();
for (int i = 0; i < itemCount; i++) {
elements.add("Element " + String.valueOf(i));
}
}
@Override
protected IContentProvider getContentProvider() {
return new ILazyContentProvider() {
@Override
public void updateElement(int index) {
viewer.replace(elements.get(index), index);
}
@Override
public void dispose() {
// Do Nothing
}
@Override
public void inputChanged(Viewer viewer, Object oldInput,
Object newInput) {
// Do nothing.
}
};
}
protected void doRemove(Object[] selection, int[] selectionIndices) {
for (int index : selectionIndices) {
elements.remove(index);
}
super.doRemove(selection);
}
@Override
protected void resetInput() {
viewer.setItemCount(itemCount);
super.resetInput();
}
}