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/* Copyright (c) 2011 Zhihua (Dennis) Jiang
*
* 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.gwtmobile.ui.kitchensink.client.communication;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.jsonp.client.JsonpRequestBuilder;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.Widget;
import com.gwtmobile.ui.client.event.SelectionChangedEvent;
import com.gwtmobile.ui.client.page.Page;
public class JsonpPage extends Page {
private static JsonpPageUiBinder uiBinder = GWT.create(JsonpPageUiBinder.class);
@UiField HTML text;
interface JsonpPageUiBinder extends UiBinder<Widget, JsonpPage> {
}
public JsonpPage() {
initWidget(uiBinder.createAndBindUi(this));
}
@UiHandler("list")
void onListSelectionChanged(SelectionChangedEvent e) {
switch (e.getSelection()) {
case 0:
makeJsonpCall();
break;
}
}
private void makeJsonpCall() {
String url = "http://gwtmobile-services.appspot.com/jsonp";
JsonpRequestBuilder jsonp = new JsonpRequestBuilder();
jsonp.requestObject(url,
new AsyncCallback<Hello>() {
@Override
public void onFailure(Throwable throwable) {
text.setHTML("Error: " + throwable);
}
@Override
public void onSuccess(Hello hello) {
text.setHTML(hello.world());
}
});
}
private static class Hello extends JavaScriptObject {
protected Hello() {}
public final native String world() /*-{
return this.Hello;
}-*/;
}
}
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Revision |
Author |
Commited |
Message |
638
|
GeorgeS
|
Sat 28 Apr, 2012 15:53:46 +0000 |
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