/*
* Copyright (c) 2011 PonySDK
* Owners:
* Luciano Broussal <luciano.broussal AT gmail.com>
* Mathieu Barbier <mathieu.barbier AT gmail.com>
* Nicolas Ciaravola <nicolas.ciaravola.pro AT gmail.com>
*
* WebSite:
* http://code.google.com/p/pony-sdk/
*
* 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.ponysdk.ui.server.basic;
import org.json.JSONException;
import org.json.JSONObject;
import com.ponysdk.core.instruction.Add;
import com.ponysdk.core.instruction.AddHandler;
import com.ponysdk.core.instruction.Update;
import com.ponysdk.core.stm.Txn;
import com.ponysdk.ui.server.basic.event.PHasHTML;
import com.ponysdk.ui.terminal.Dictionnary.HANDLER;
import com.ponysdk.ui.terminal.Dictionnary.PROPERTY;
import com.ponysdk.ui.terminal.WidgetType;
/**
* An entry in a {@link PMenuBar}. Menu items can either fire a {@link PCommand} when they are clicked, or
* open a cascading sub-menu. Each menu item is assigned a unique DOM id in order to support ARIA. See
* {@link com.google.gwt.user.client.ui.Accessibility} for more information.
*/
public class PMenuItem extends PWidget implements PHasHTML {
private String text;
private String html;
private PMenuBar subMenu;
private PCommand cmd;
private boolean enabled;
public PMenuItem(final String text, final boolean asHTML, final PCommand cmd) {
this(text, asHTML);
setCommand(cmd);
}
public PMenuItem(final String text, final boolean asHTML, final PMenuBar subMenu) {
this(text, asHTML);
setSubMenu(subMenu);
}
public PMenuItem(final String text, final PCommand cmd) {
this(text, false);
setCommand(cmd);
}
public PMenuItem(final String text) {
this(text, false);
}
public PMenuItem(final String text, final PMenuBar subMenu) {
this(text, false);
setSubMenu(subMenu);
}
public PMenuItem(final String text, final boolean asHTML) {
if (asHTML) setHTML(text);
else setText(text);
}
@Override
protected WidgetType getWidgetType() {
return WidgetType.MENU_ITEM;
}
@Override
public String getText() {
return text;
}
@Override
public void setText(final String text) {
this.text = text;
final Update update = new Update(getID());
update.put(PROPERTY.TEXT, text);
Txn.get().getTxnContext().save(update);
}
@Override
public String getHTML() {
return html;
}
@Override
public void setHTML(final String html) {
this.html = html;
final Update update = new Update(getID());
update.put(PROPERTY.HTML, html);
Txn.get().getTxnContext().save(update);
}
public void setEnabled(final boolean enabled) {
this.enabled = enabled;
final Update update = new Update(getID());
update.put(PROPERTY.ENABLED, enabled);
Txn.get().getTxnContext().save(update);
}
private void setSubMenu(final PMenuBar subMenu) {
this.subMenu = subMenu;
final Add add = new Add(subMenu.getID(), getID());
Txn.get().getTxnContext().save(add);
}
public void setCommand(final PCommand cmd) {
this.cmd = cmd;
final AddHandler addHandler = new AddHandler(getID(), HANDLER.KEY_.COMMAND);
Txn.get().getTxnContext().save(addHandler);
}
@Override
public void onClientData(final JSONObject event) throws JSONException {
String handlerKey = null;
if (event.has(HANDLER.KEY)) {
handlerKey = event.getString(HANDLER.KEY);
}
if (HANDLER.KEY_.COMMAND.equals(handlerKey)) {
cmd.execute();
} else {
super.onClientData(event);
}
}
public PMenuBar getSubMenu() {
return subMenu;
}
public PCommand getCmd() {
return cmd;
}
public boolean isEnabled() {
return enabled;
}
}