/*
* Copyright 2011 JBoss 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.jbpm.formbuilder.client.menu;
import org.jbpm.formapi.client.CommonGlobals;
import org.jbpm.formapi.client.menu.FBMenuItem;
import org.jbpm.formbuilder.client.RoleUtils;
import org.jbpm.formbuilder.client.bus.MenuItemAddedEvent;
import org.jbpm.formbuilder.client.bus.MenuItemAddedHandler;
import org.jbpm.formbuilder.client.bus.MenuItemFromServerEvent;
import org.jbpm.formbuilder.client.bus.MenuItemFromServerHandler;
import org.jbpm.formbuilder.client.bus.MenuItemRemoveEvent;
import org.jbpm.formbuilder.client.bus.MenuItemRemoveHandler;
import org.jbpm.formbuilder.client.menu.items.CustomMenuItem;
import com.allen_sauer.gwt.dnd.client.PickupDragController;
import com.google.gwt.event.shared.EventBus;
/**
* Menu presenter. Handles the adding and
* removing of items from the view when
* notified, either from the current user
* or from the server.
*/
public class MenuPresenter {
private final EventBus bus;
private final MenuView view;
private final PickupDragController dragController;
public MenuPresenter(MenuView menuView) {
super();
this.view = menuView;
this.bus = CommonGlobals.getInstance().getEventBus();
this.dragController = CommonGlobals.getInstance().getDragController();
this.view.startDropController(this.dragController);
this.bus.addHandler(MenuItemAddedEvent.TYPE, new MenuItemAddedHandler() {
@Override
public void onEvent(MenuItemAddedEvent event) {
String group = event.getGroupName();
FBMenuItem item = event.getMenuItem();
if (RoleUtils.getInstance().hasDesignPrivileges()) {
view.addItem(group, item);
} else if (RoleUtils.getInstance().hasOnlyUserPrivileges()) {
if (item instanceof CustomMenuItem) {
view.addItem(group, item);
}
}
}
});
this.bus.addHandler(MenuItemRemoveEvent.TYPE, new MenuItemRemoveHandler() {
@Override
public void onEvent(MenuItemRemoveEvent event) {
String group = event.getGroupName();
FBMenuItem item = event.getMenuItem();
view.removeItem(group, item);
}
});
this.bus.addHandler(MenuItemFromServerEvent.TYPE, new MenuItemFromServerHandler() {
@Override
public void onEvent(MenuItemFromServerEvent event) {
String group = event.getGroupName();
FBMenuItem item = event.getMenuItem();
if (RoleUtils.getInstance().hasDesignPrivileges()) {
view.addItem(group, item);
} else if (RoleUtils.getInstance().hasOnlyUserPrivileges()) {
if (item instanceof CustomMenuItem) {
view.addItem(group, item);
}
}
}
});
}
}