Package com.apress.progwt.client

Source Code of com.apress.progwt.client.Interactive

/*
* 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;

import com.allen_sauer.gwt.log.client.Log;
import com.apress.progwt.client.calculator.CalculatorApp;
import com.apress.progwt.client.college.ToCollegeApp;
import com.apress.progwt.client.college.gui.ext.JSUtil;
import com.apress.progwt.client.consts.ConstHolder;
import com.apress.progwt.client.consts.Resources;
import com.apress.progwt.client.forum.ForumApp;
import com.apress.progwt.client.map.CollegeMapApp;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.GWT.UncaughtExceptionHandler;
import com.google.gwt.i18n.client.Dictionary;
import com.google.gwt.libideas.client.StyleInjector;
import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.DeferredCommand;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.VerticalPanel;

/**
* Entry point classes define <code>onModuleLoad()</code>.
*/
public class Interactive implements EntryPoint {

    public static final String LOCAL_HOST = "http://localhost:8080/";
    public static final String REMOTE_HOST = "http://www.tocollege.net/";

    /**
     *
     * Switch between localhost for testing &
     */
    public static String getRelativeURL(String url) {
        String realModuleBase;

        if (GWT.isScript()) {

            // Log.debug("ModuleBaseURL: " + GWT.getModuleBaseURL());

            String moduleBase = GWT.getModuleBaseURL();

            // Use for Deployment to production server
            //
            realModuleBase = REMOTE_HOST;

            // Use to test compiled browser locally
            //
            if (moduleBase.indexOf("localhost") != -1) {
                // Log.debug("Testing. Using Localhost");
                realModuleBase = LOCAL_HOST;
            }

        } else {
            // realModuleBase = GWT.getModuleBaseURL();

            // This is the URL for GWT Hosted mode
            //
            realModuleBase = LOCAL_HOST;
        }

        return realModuleBase + url;
    }

    public static void recordPageHit(String pageName) {
        JSUtil.tickleUrchin(pageName);
    }

    /**
     * Initial entry point. Make sure our exception handler is set before
     * we begin.
     *
     * Perform StyleInjection. See Resources.java for details.
     */
    public void onModuleLoad() {

        // could use Log.setUncaughtExceptionHandler(), but we'd like the
        // stacktrace too.
        GWT.setUncaughtExceptionHandler(new UncaughtExceptionHandler() {
            public void onUncaughtException(Throwable arg0) {
                arg0.printStackTrace();
                // gwt-log errors on null message;
                String message = arg0.getMessage() == null ? "No Message"
                        : arg0.getMessage();
                Log.error(message);
            }
        });

        ConstHolder.resources = (Resources) GWT.create(Resources.class);
        StyleInjector.injectStylesheet(ConstHolder.resources.gwtstyles()
                .getText(), ConstHolder.resources);

        DeferredCommand.addCommand(new Command() {
            public void execute() {
                onModuleLoad2();
            }
        });
    }

    /**
     * Real EntryPoint. Dispatch based on javascript dictionary that tells
     * us what we should load.
     *
     * <script language="JavaScript"> var Vars = { page: "MyMindscape" };
     * </script>
     *
     */
    public void onModuleLoad2() {
        try {

            Dictionary dictionary = Dictionary.getDictionary("Vars");

            String widgetCountStr = dictionary.get("widgetCount");
            int widgetCount = Integer.parseInt(widgetCountStr);

            for (int currentWidget = 1; currentWidget <= widgetCount; currentWidget++) {
                String widget = dictionary.get("widget_" + currentWidget);
                Log.info("Do " + widget);
                if (widget.equals("Calculator")) {
                    CalculatorApp m = new CalculatorApp(currentWidget);
                } else if (widget.equals("MyPage")) {
                    ToCollegeApp c = new ToCollegeApp(currentWidget);
                } else if (widget.equals("CollegeMap")) {
                    CollegeMapApp c = new CollegeMapApp(currentWidget);
                } else if (widget.equals("Forum")) {
                    ForumApp c = new ForumApp(currentWidget);
                } else if (widget.equals("VerticalLabel")) {
                    VerticalLabelApp c = new VerticalLabelApp(
                            currentWidget);
                } else if (widget.equals("ImageBundle")) {
                    ImageBundleApp c = new ImageBundleApp(
                            currentWidget);
                } else {
                    throw new Exception("Vars['widget_" + currentWidget
                            + "] => " + widget + " null or no match.");
                }
            }

        } catch (Exception e) {
            Log.error("e: " + e);

            e.printStackTrace();

            VerticalPanel panel = new VerticalPanel();

            panel.add(new Label("Error"));
            panel.add(new Label(e.getMessage()));

            GWTApp.show(1, panel);

        }

    }
}
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