de.unioninvestment.eai.portal.portlet.crud.domain.model.Tabs.java Source code

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Here is the source code for de.unioninvestment.eai.portal.portlet.crud.domain.model.Tabs.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 de.unioninvestment.eai.portal.portlet.crud.domain.model;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import com.vaadin.ui.UI;
import de.unioninvestment.eai.portal.support.vaadin.LiferayUI;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Configurable;

import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.data.Property.ValueChangeListener;
import com.vaadin.data.util.ObjectProperty;

import de.unioninvestment.eai.portal.portlet.crud.config.TabsConfig;
import de.unioninvestment.eai.portal.portlet.crud.domain.events.TabChangeEvent;
import de.unioninvestment.eai.portal.portlet.crud.domain.events.TabChangeEventHandler;
import de.unioninvestment.eai.portal.support.vaadin.mvp.EventBus;
import de.unioninvestment.eai.portal.support.vaadin.mvp.EventRouter;

/**
 * Eine Containerkomponente fr eine Tabgruppe.
 * 
 * 
 * @author markus.bonsch
 * 
 */
@Configurable
public class Tabs extends Component {

    @Autowired
    private EventBus eventBus;

    private final List<Tab> elements = new ArrayList<Tab>();

    private Portlet portlet;

    private ObjectProperty<Tab> activeTabProperty;

    private EventRouter<TabChangeEventHandler, TabChangeEvent> eventRouter = new EventRouter<TabChangeEventHandler, TabChangeEvent>();

    /**
     * @param config
     *            the component's configuration.
     * @since 1.45
     */
    private final TabsConfig config;

    /**
     * Konstruktor.
     * 
     * @param config
     *            the component's configuration.
     * @since 1.45
     */
    @SuppressWarnings("all")
    public Tabs(TabsConfig config) {
        this.config = config;
    }

    /**
     * @since 1.45
     */
    public String getWidth() {
        return this.config.getWidth();
    }

    /**
     * @since 1.45
     */
    public String getHeight() {
        return this.config.getHeight();
    }

    private void registerValueChangeListener() {
        activeTabProperty.addValueChangeListener(new ValueChangeListener() {
            private static final long serialVersionUID = 1L;

            @Override
            public void valueChange(ValueChangeEvent event) {
                fireTabChangeEvent();
            }
        });
    }

    /**
     * 
     * @param handler
     *            TabChangeEventHandler
     */
    public void addTabChangeEventListener(TabChangeEventHandler handler) {
        eventRouter.addHandler(handler);
    }

    private void fireTabChangeEvent() {
        TabChangeEvent event = new TabChangeEvent(this);
        eventRouter.fireEvent(event);
        eventBus.fireEvent(event);
    }

    public List<Tab> getElements() {
        return Collections.unmodifiableList(elements);
    }

    /**
     * 
     * @param element
     *            Tab
     * @return Position des Tabs
     */
    public int indexOf(Tab element) {
        return elements.indexOf(element);
    }

    /**
     * Fgt ein Tab hinzu.
     * 
     * @param tab
     *            Tab
     */
    void addElement(Tab tab) {
        if (elements.isEmpty()) {
            activeTabProperty = new ObjectProperty<Tab>(tab);
            registerValueChangeListener();
        }
        elements.add(tab);
        tab.setTabs(this);
    }

    void setPortlet(Portlet portlet) {
        this.portlet = portlet;
    }

    /**
     * @return liefert das Portlet
     */
    public Portlet getPortlet() {
        return getPanel() != null ? getPanel().getPortlet() : portlet;
    }

    public ObjectProperty<Tab> getActiveTabProperty() {
        return activeTabProperty;
    }

    /**
     * Setzt den aktiven Tab ber dessen ID.
     * 
     * @param id
     *            ID des Tabs
     */
    public void setActiveTabById(String name) {
        for (Tab tab : elements) {
            if (tab.getId().equals(name)) {
                activeTabProperty.setValue(tab);
                break;
            }
        }
    }

    /**
     * @return ID des aktiven Tabs
     */
    public String getActiveTabId() {
        return getActiveTab().getId();
    }

    /**
     * @return den aktiven Tab
     */
    public Tab getActiveTab() {
        return activeTabProperty.getValue();
    }

    /**
     * Set den aktiven Tab.
     * 
     * @param tab
     *            Tab
     */
    public void setActiveTab(Tab tab) {
        if (elements.contains(tab)) {
            activeTabProperty.setValue(tab);
        }
    }

    void setEventBus(EventBus eventBus) {
        this.eventBus = eventBus;
    }
}