/*
* 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.maps.sample.hellomaps.client;
import com.google.gwt.core.client.GWT;
import com.google.gwt.maps.client.MapType;
import com.google.gwt.maps.client.MapWidget;
import com.google.gwt.maps.client.control.MapTypeControl;
import com.google.gwt.maps.client.control.SmallMapControl;
import com.google.gwt.maps.client.geom.LatLng;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.ui.HTML;
/**
* You can add controls to the map with the addControl method. In this case, we
* add the built-in GSmallMapControl and GMapTypeControl controls, which let us
* pan/zoom the map and switch between Map and Satellite modes, respectively.
*/
public class ControlsDemo extends MapsDemo {
private static HTML descHTML = null;
private static final String descString = "<p>Creates a 500 x 300 pixel map viewport centered on Palo Alto, CA USA. "
+ "You should be able to scroll the viewport by clicking and dragging "
+ "with the mouse.</p>\n"
+ "<p>The map window should be decorated with controls for zooming "
+ "in and out and for changing the map type.</p>"
+ "<p>Equivalent to the Maps JavaScript API Example: "
+ "<a href=\"http://code.google.com/apis/maps/documentation/examples/control-simple.html\">"
+ "http://code.google.com/apis/maps/documentation/examples/control-simple.html</a></p>\n";
public static MapsDemoInfo init() {
return new MapsDemoInfo() {
@Override
public MapsDemo createInstance() {
return new ControlsDemo();
}
@Override
public HTML getDescriptionHTML() {
if (descHTML == null) {
descHTML = new HTML(descString);
}
return descHTML;
}
@Override
public String getName() {
return "Adding Controls to the Map";
}
};
}
private MapWidget map;
public ControlsDemo() {
map = new MapWidget(LatLng.newInstance(37.4419, -122.1419), 13);
map.setSize("500px", "300px");
initWidget(map);
map.addControl(new SmallMapControl());
map.addControl(new MapTypeControl());
Timer timer = new Timer() {
@Override
public void run() {
// Exercise the minimum & maximum resolution entry points.
MapType types[] = map.getMapTypes();
for (MapType t : types) {
int minResolution = t.getMinimumResolution();
int maxResolution = t.getMaximumResolution();
GWT.log("Map Type: " + t.getName(true) + " Min resolution: "
+ minResolution + " Max Resolution: " + maxResolution, null);
minResolution = t.getMinimumResolution();
maxResolution = t.getMaximumResolution();
GWT.log("@ point: " + map.getCenter().toString() + " Map Type: "
+ t.getName(true) + " Min resolution: " + minResolution
+ " Max Resolution: " + maxResolution, null);
}
}
};
timer.schedule(1000);
}
}