/*******************************************************************************
* Copyright (c) 2012-2017 Codenvy, S.A.
* 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:
* Codenvy, S.A. - initial API and implementation
*******************************************************************************/
package org.eclipse.che.ide.ui.smartTree.event;
import com.google.gwt.event.shared.EventHandler;
import com.google.gwt.event.shared.GwtEvent;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.event.shared.HasHandlers;
import org.eclipse.che.ide.api.data.tree.Node;
import org.eclipse.che.ide.ui.smartTree.event.StoreRemoveEvent.StoreRemoveHandler;
import java.util.Collections;
import java.util.List;
/**
* Indicates that an element that was visible has been removed from the Store.
*
* @author Vlad Zhukovsiy
*/
public class StoreRemoveEvent extends GwtEvent<StoreRemoveHandler> {
public interface HasStoreRemoveHandler extends HasHandlers {
HandlerRegistration addStoreRemoveHandler(StoreRemoveHandler handler);
}
public interface StoreRemoveHandler extends EventHandler {
void onRemove(StoreRemoveEvent event);
}
private static Type<StoreRemoveHandler> TYPE;
public static Type<StoreRemoveHandler> getType() {
if (TYPE == null) {
TYPE = new Type<>();
}
return TYPE;
}
private final int index;
private final Node node;
private Node parent;
private List<Node> children;
public StoreRemoveEvent(int index, Node node, Node parent, List<Node> children) {
this.index = index;
this.node = node;
this.parent = parent;
this.children = Collections.unmodifiableList(children);
}
@Override
public Type<StoreRemoveHandler> getAssociatedType() {
return getType();
}
public int getIndex() {
return index;
}
public Node getNode() {
return node;
}
public List<Node> getChildren() {
return children;
}
public Node getParent() {
return parent;
}
/** {@inheritDoc} */
@Override
protected void dispatch(StoreRemoveHandler handler) {
handler.onRemove(this);
}
}