com.gwtplatform.mvp.client.proxy.RevealContentEvent Maven / Gradle / Ivy
/**
* Copyright 2011 ArcBees Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.gwtplatform.mvp.client.proxy;
import com.google.gwt.event.shared.GwtEvent;
import com.google.gwt.event.shared.HasHandlers;
import com.gwtplatform.mvp.client.Presenter;
/**
* This event is fired by a {@link com.gwtplatform.mvp.client.Presenter} that desires to reveal itself
* within its parent. It is typically fired in the {@link com.gwtplatform.mvp.client.Presenter#revealInParent()}
* method. To reveal a presenter at the root of the application, fire either
* {@link RevealRootContentEvent}, {@link RevealRootLayoutContentEvent} or
* {@link RevealRootPopupContentEvent} instead.
*
* This event is handled by {@link Proxy} classes. Upon handling this
* event, the proxy first sets the content appropriately in the
* presenter, and then reveals the presenter.
*
* @see RevealRootContentEvent
* @see RevealRootLayoutContentEvent
* @see RevealRootPopupContentEvent
*
* @author Philippe Beaudoin
*/
public final class RevealContentEvent extends GwtEvent> {
/**
* Fires a {@link RevealContentEvent} with a specific {@link com.google.gwt.event.shared.GwtEvent.Type}
* into a source that has access to an {@link com.google.web.bindery.event.shared.EventBus}.
*
* @param source The source that fires this event ({@link HasHandlers}).
* @param type The specific event {@link com.google.gwt.event.shared.GwtEvent.Type}, usually defined in the parent presenter
* and annotated with {@link com.gwtplatform.mvp.client.annotations.ContentSlot}.
* @param content The {@link Presenter} that wants to set itself as content in his parent.
*/
public static void fire(final HasHandlers source,
final Type> type, final Presenter content) {
source.fireEvent(new RevealContentEvent(type, content));
}
private final Presenter content;
private final Type> type;
public RevealContentEvent(Type> type,
Presenter content) {
this.type = type;
this.content = content;
}
@Override
public Type> getAssociatedType() {
return type;
}
public Presenter getContent() {
return content;
}
@Override
protected void dispatch(RevealContentHandler handler) {
handler.onRevealContent(this);
}
}