/**
* 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.Type;
import com.gwtplatform.mvp.client.ChangeTabEvent;
import com.gwtplatform.mvp.client.ChangeTabHandler;
import com.gwtplatform.mvp.client.Presenter;
import com.gwtplatform.mvp.client.RequestTabsEvent;
import com.gwtplatform.mvp.client.RequestTabsHandler;
import com.gwtplatform.mvp.client.Tab;
import com.gwtplatform.mvp.client.TabData;
/**
* @param <T> The Presenter's type.
*/
public class NonLeafTabContentProxyImpl<T extends Presenter<?, ?>> extends ProxyImpl<T>
implements NonLeafTabContentProxy<T> {
protected TabData tabData;
protected String targetHistoryToken;
protected Type<RequestTabsHandler> requestTabsEventType;
protected Type<ChangeTabHandler> changeTabEventType;
private Tab tab;
/**
* Creates a {@link Proxy} for a {@link Presenter} that is meant to be contained within a
* {@link com.gwtplatform.mvp.client.TabContainerPresenter} but not as a leaf. As such, these
* proxy hold information that can be displayed on the tab together with the target history
* token of the leaf page to display when the tab is clicked.
*/
public NonLeafTabContentProxyImpl() {
}
@Override
public TabData getTabData() {
return tabData;
}
@Override
public String getTargetHistoryToken() {
return targetHistoryToken;
}
@Override
public Tab getTab() {
return tab;
}
@Override
public void changeTab(TabData tabData) {
this.tabData = tabData;
if (changeTabEventType != null) {
ChangeTabEvent.fire(this, changeTabEventType, this);
}
}
protected void addRequestTabsHandler() {
eventBus.addHandler(requestTabsEventType, new RequestTabsHandler() {
@Override
public void onRequestTabs(RequestTabsEvent event) {
tab = event.getTabContainer().addTab(NonLeafTabContentProxyImpl.this);
}
});
}
@Override
public void changeTab(TabData tabData, String targetHistoryToken) {
this.targetHistoryToken = targetHistoryToken;
changeTab(tabData);
}
}