com.google.gwt.sample.hellomaps.client.HelloMaps.java Source code

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Here is the source code for com.google.gwt.sample.hellomaps.client.HelloMaps.java

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/*
 * Copyright 2008 Google 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 com.google.gwt.sample.hellomaps.client;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.ClickListener;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.KeyboardListenerAdapter;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;

/**
 * HelloMaps application.
 */
public class HelloMaps implements EntryPoint {

    public void onModuleLoad() {

        Button create = new Button("Create another map", new ClickListener() {
            public void onClick(Widget w) {
                createMap();
            }
        });
        RootPanel.get().add(create);
        createMap();
    }

    private void createMap() {
        // Set the map up in a Dialog box, just for fun.
        final DialogBox dialog = new DialogBox(false, false);
        final Map theMap = new Map();
        final Button findButton = new Button("Address:");
        final TextBox tb = new TextBox();
        tb.addKeyboardListener(new KeyboardListenerAdapter() {
            @Override
            public void onKeyPress(Widget sender, char keyCode, int modifiers) {
                if (keyCode == KEY_ENTER) {
                    theMap.setLocation(((TextBox) sender).getText());
                } else if (keyCode == KEY_ESCAPE) {
                    dialog.removeFromParent();
                }
            }
        });
        findButton.addClickListener(new ClickListener() {
            public void onClick(Widget sender) {
                theMap.setLocation(tb.getText());
            }
        });
        tb.setWidth("100%");

        final HorizontalPanel hp = new HorizontalPanel();
        hp.add(findButton);
        hp.setCellWidth(findButton, "15%");
        hp.add(tb);
        hp.setCellWidth(tb, "85%");

        final VerticalPanel vp = new VerticalPanel();
        vp.add(hp);
        vp.add(theMap);

        dialog.setText("Drag me!");
        dialog.setWidget(vp);
        dialog.center();
    }
}