/*
* Copyright 2015 JBoss, by Red Hat, 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 org.uberfire.ext.widgets.common.client.common;
import java.util.Iterator;
import com.google.gwt.event.logical.shared.CloseEvent;
import com.google.gwt.event.logical.shared.CloseHandler;
import com.google.gwt.event.logical.shared.HasCloseHandlers;
import com.google.gwt.event.logical.shared.HasOpenHandlers;
import com.google.gwt.event.logical.shared.OpenEvent;
import com.google.gwt.event.logical.shared.OpenHandler;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.resources.client.ImageResource;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.DisclosurePanel;
import com.google.gwt.user.client.ui.HasWidgets;
import com.google.gwt.user.client.ui.Widget;
/**
* Disclosure panel with rounded corners in header.
* <p>
* Using this class we don't need to set the header and event handlers for the header everywhere we use DisclosurePanels.
*/
public class DecoratedDisclosurePanel extends Composite
implements
HasWidgets,
HasOpenHandlers<DisclosurePanel>,
HasCloseHandlers<DisclosurePanel> {
private final DisclosurePanel widget = new DisclosurePanel();
private LazyStackPanelHeader header;
public DecoratedDisclosurePanel(String headerText,
ImageResource headerIcon) {
widget.setAnimationEnabled(true);
widget.setHeader(createHeader(headerText,
headerIcon));
initWidget(widget);
}
public DecoratedDisclosurePanel(String headerText) {
widget.setAnimationEnabled(true);
widget.setHeader(createHeader(headerText));
initWidget(widget);
}
private LazyStackPanelHeader createHeader(String headerText) {
header = new LazyStackPanelHeader(headerText);
setupEventHandlers();
return header;
}
private LazyStackPanelHeader createHeader(String headerText,
ImageResource headerIcon) {
header = new LazyStackPanelHeader(headerText,
headerIcon);
setupEventHandlers();
return header;
}
private void setupEventHandlers() {
widget.addOpenHandler(new OpenHandler<DisclosurePanel>() {
public void onOpen(OpenEvent<DisclosurePanel> event) {
header.expand();
}
});
widget.addCloseHandler(new CloseHandler<DisclosurePanel>() {
public void onClose(CloseEvent<DisclosurePanel> event) {
header.collapse();
}
});
}
public void add(Widget w) {
widget.add(w);
}
public void setContent(Widget content) {
widget.setContent(content);
}
public HandlerRegistration addOpenHandler(OpenHandler<DisclosurePanel> openHandler) {
return widget.addOpenHandler(openHandler);
}
public HandlerRegistration addCloseHandler(CloseHandler<DisclosurePanel> handler) {
return widget.addCloseHandler(handler);
}
public void clear() {
widget.clear();
}
public Iterator<Widget> iterator() {
return widget.iterator();
}
public boolean remove(Widget w) {
return widget.remove(w);
}
public boolean isOpen() {
return widget.isOpen();
}
public void setOpen(boolean b) {
widget.setOpen(b);
}
}