MyPage.java

/*
 * Copyright 2008 Jeff Dwyer
 * 
 * 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.apress.progwt.client.college.gui;

import java.util.Iterator;

import com.apress.progwt.client.college.ServiceCache;
import com.apress.progwt.client.college.ToCollegeApp;
import com.apress.progwt.client.domain.User;
import com.apress.progwt.client.map.MyCollegeMap;
import com.google.gwt.user.client.History;
import com.google.gwt.user.client.HistoryListener;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.DecoratedTabPanel;
import com.google.gwt.user.client.ui.SourcesTabEvents;
import com.google.gwt.user.client.ui.TabListener;
import com.google.gwt.user.client.ui.Widget;

public class MyPage extends Composite implements TabListener,
        HistoryListener {

    private ServiceCache serviceCache;

    private User thisUser;

    private DecoratedTabPanel mainPanel;

    private MyRankings myRankings;

    private MyApplicationTimeline myApplications;

    private MyDecision myPriorities;

    private MyCollegeMap myCollegeMap;

    public MyPage(ToCollegeApp collegeBoundApp) {

        serviceCache = collegeBoundApp.getServiceCache();

        mainPanel = new DecoratedTabPanel();
        mainPanel.setStylePrimaryName("MainTabs");
        mainPanel.getDeckPanel().setAnimationEnabled(true);

        myRankings = new MyRankings(serviceCache);
        mainPanel.add(myRankings, "My Rankings");

        myApplications = new MyApplicationTimeline(serviceCache);

        mainPanel.add(myApplications, "My Applications");

        myPriorities = new MyDecision(serviceCache);
        mainPanel.add(myPriorities, "My Decision");

        myCollegeMap = new MyCollegeMap(serviceCache);
        mainPanel.add(myCollegeMap, "College Map");

        mainPanel.addTabListener(this);
        initWidget(mainPanel);

        String initToken = History.getToken();
        if (initToken.length() == 0) {
            initToken = myRankings.getHistoryName();
        }

        // onHistoryChanged() is not called when the application first
        // runs. Call
        // it now in order to reflect the initial state.
        onHistoryChanged(initToken);

        History.addHistoryListener(this);

    }

    /**
     * intercept the event and give us a chance to refresh
     */
    public boolean onBeforeTabSelected(SourcesTabEvents sender,
            int tabIndex) {

        MyPageTab w = (MyPageTab) mainPanel.getWidget(tabIndex);
        w.refresh();

        return true;
    }

    public void onTabSelected(SourcesTabEvents sender, int tabIndex) {
        MyPageTab w = (MyPageTab) mainPanel.getWidget(tabIndex);

        History.newItem("" + w.getHistoryName());
    }

    public void load(User user) {
        this.thisUser = user;
        myRankings.load(user);
        myApplications.load(user);
        myPriorities.load(user);
        myCollegeMap.load(user);
    }

    public void onHistoryChanged(String historyToken) {
        int i = 0;
        for (Iterator<Widget> iterator = mainPanel.iterator(); iterator
                .hasNext();) {
            MyPageTab tab = (MyPageTab) iterator.next();
            if (tab.getHistoryName().equals(historyToken)) {
                mainPanel.selectTab(i);
            }
            i++;
        }

    }
}