/*
* Copyright 2000-2014 Vaadin Ltd.
*
* 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.vaadin.client.ui.customcomponent;
import com.vaadin.client.ComponentConnector;
import com.vaadin.client.ConnectorHierarchyChangeEvent;
import com.vaadin.client.ui.AbstractHasComponentsConnector;
import com.vaadin.client.ui.VCustomComponent;
import com.vaadin.shared.ui.Connect;
import com.vaadin.shared.ui.Connect.LoadStyle;
import com.vaadin.ui.CustomComponent;
@Connect(value = CustomComponent.class, loadStyle = LoadStyle.EAGER)
public class CustomComponentConnector extends AbstractHasComponentsConnector {
@Override
public VCustomComponent getWidget() {
return (VCustomComponent) super.getWidget();
}
@Override
public void updateCaption(ComponentConnector component) {
// NOP, custom component dont render composition roots caption
}
@Override
public void onConnectorHierarchyChange(ConnectorHierarchyChangeEvent event) {
VCustomComponent customComponent = getWidget();
if (getChildComponents().size() == 1) {
ComponentConnector newChild = getChildComponents().get(0);
customComponent.setWidget(newChild.getWidget());
} else {
customComponent.setWidget(null);
}
}
}