/*
* 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.visualization.sample.visualizationshowcase.client;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.Panel;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.visualization.client.Query;
import com.google.gwt.visualization.client.QueryResponse;
import com.google.gwt.visualization.client.Query.Callback;
import com.google.gwt.visualization.client.visualizations.Table;
/**
* Demo for Table visualization.
*/
public class TableDemo implements LeftTabPanel.WidgetProvider {
private Panel panel = new VerticalPanel();
public TableDemo() {
// Read data from spreadsheet
String dataUrl = "http://spreadsheets.google.com/tq?key=prll1aQH05yQqp_DKPP9TNg&pub=1";
Query query = Query.create(dataUrl);
query.send(new Callback() {
public void onResponse(QueryResponse response) {
if (response.isError()) {
Window.alert("Error in query: " + response.getMessage() + ' '
+ response.getDetailedMessage());
return;
}
Table viz = new Table();
Table.Options options = Table.Options.create();
options.setShowRowNumber(true);
viz.draw(response.getDataTable(), options);
Label status = new Label();
viz.addSelectHandler(new SelectionDemo(viz, status));
panel.add(viz);
panel.add(status);
}
});
}
public Widget getWidget() {
return panel;
}
}