org.ws13.vaadin.osgi.dm.app.ModuleDemoApp.java Source code

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Here is the source code for org.ws13.vaadin.osgi.dm.app.ModuleDemoApp.java

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/*******************************************************************************
 * Copyright 2011 ctranxuan
 * 
 * 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.ws13.vaadin.osgi.dm.app;

import java.util.Iterator;

import org.ws13.vaadin.osgi.dm.services.Module;
import org.ws13.vaadin.osgi.dm.services.ModuleService;
import org.ws13.vaadin.osgi.dm.services.ModuleServiceListener;

import com.vaadin.Application;
import com.vaadin.ui.Component;
import com.vaadin.ui.TabSheet;
import com.vaadin.ui.Window;

public class ModuleDemoApp extends Application implements ModuleServiceListener {

    private static final long serialVersionUID = -3269407406426655882L;

    private ModuleService moduleService;

    public ModuleDemoApp() {
    }

    private TabSheet tabs;

    @Override
    public void init() {
        tabs = new TabSheet();
        tabs.setSizeFull();

        for (Module module : moduleService.getModules()) {
            tabs.addTab(module.createComponent(), module.getName(), null);
        }

        setMainWindow(new Window("Module Demo Application", tabs));

        System.out.println("ModuleDemoApp: Application initializing, adding module service listener");
        moduleService.addListener(this);
    }

    @Override
    public void close() {
        System.out.println("ModuleDemoApp: Application closing, removing module service listener");
        moduleService.removeListener(this);
        super.close();
    }

    @Override
    public void moduleRegistered(ModuleService source, Module module) {
        System.out.println("ModuleDemoApp: Module registered, adding tab");
        tabs.addTab(module.createComponent(), module.getName(), null);
    }

    @Override
    public void moduleUnregistered(ModuleService source, Module module) {
        System.out.println("ModuleDemoApp: Module unregistered, removing tab");
        Iterator<Component> it = tabs.getComponentIterator();
        while (it.hasNext()) {
            Component c = it.next();
            if (tabs.getTab(c).getCaption().equals(module.getName())) {
                tabs.removeComponent(c);
                return;
            }
        }
    }

    /**
     * @return the moduleService
     */
    public ModuleService getModuleService() {
        return moduleService;
    }

    /**
     * @param moduleService the moduleService to set
     */
    public void setModuleService(ModuleService moduleService) {
        this.moduleService = moduleService;
    }

}