/*
* Copyright 2010 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.ui.Label;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.visualization.client.DataTable;
import com.google.gwt.visualization.client.visualizations.corechart.AxisOptions;
import com.google.gwt.visualization.client.visualizations.corechart.LineChart;
import com.google.gwt.visualization.client.visualizations.corechart.Options;
/**
* Demo for LineChart visualization.
*/
public class LineDemo implements LeftTabPanel.WidgetProvider {
public Widget getWidget() {
VerticalPanel result = new VerticalPanel();
Options options = Options.create();
options.setHeight(240);
options.setTitle("Company Performance");
options.setWidth(400);
options.setInterpolateNulls(true);
AxisOptions vAxisOptions = AxisOptions.create();
vAxisOptions.setMinValue(0);
vAxisOptions.setMaxValue(2000);
options.setVAxisOptions(vAxisOptions);
DataTable data = Showcase.getCompanyPerformanceWithNulls();
LineChart viz = new LineChart(data, options);
Label status = new Label();
Label onMouseOverAndOutStatus = new Label();
viz.addSelectHandler(new SelectionDemo(viz, status));
viz.addReadyHandler(new ReadyDemo(status));
viz.addOnMouseOverHandler(new OnMouseOverDemo(onMouseOverAndOutStatus));
viz.addOnMouseOutHandler(new OnMouseOutDemo(onMouseOverAndOutStatus));
result.add(status);
result.add(viz);
result.add(onMouseOverAndOutStatus);
return result;
}
}