/*******************************************************************************
* Copyright 2009, 2010 Lars Grammel
*
* 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 org.thechiselgroup.choosel.protovis.client;
import org.thechiselgroup.choosel.protovis.client.jsutil.JsArgs;
import org.thechiselgroup.choosel.protovis.client.jsutil.JsArrayGeneric;
import org.thechiselgroup.choosel.protovis.client.jsutil.JsDoubleFunction;
import org.thechiselgroup.choosel.protovis.client.jsutil.JsFunction;
import org.thechiselgroup.choosel.protovis.client.jsutil.JsUtils;
import com.google.gwt.user.client.ui.Widget;
/**
* @author Lars Grammel
* @author Guillaume Godin
*/
public class EllipseExample extends ProtovisWidget implements ProtovisExample {
public final static int[][] EXAMPLE_DATA = new int[][] {
new int[] { 200, 100, 25, 25, 0 },
new int[] { 200, 250, 50, 25, 45 },
new int[] { 400, 250, 25, 50, 0 },
new int[] { 400, 100, 20, 40, 175 },
new int[] { 400, 120, 70, 35, 0 } };
@Override
public Widget asWidget() {
return this;
}
private void createVisualization(JsArrayGeneric<int[]> data) {
/* The root panel. */
PVPanel vis = getPVPanel().width(600).height(400).fillStyle("white");
/* The ellipse plot! */
vis.add(PV.Panel).data(data).add(PV.Ellipse)
.left(new JsDoubleFunction() {
public double f(JsArgs args) {
return args.<int[]> getObject()[0];
}
}).top(new JsDoubleFunction() {
public double f(JsArgs args) {
return args.<int[]> getObject()[1];
}
}).horizontalRadius(new JsDoubleFunction() {
public double f(JsArgs args) {
return args.<int[]> getObject()[2];
}
}).verticalRadius(new JsDoubleFunction() {
public double f(JsArgs args) {
return args.<int[]> getObject()[3];
}
}).angle(new JsDoubleFunction() {
public double f(JsArgs args) {
return (args.<int[]> getObject()[4] * Math.PI) / 180d;
}
}).fillStyle(new JsFunction<PVColor>() {
private PVOrdinalScale colors = PV.Colors.category10();
public PVColor f(JsArgs args) {
return colors.fcolor(args.getObject()).alpha(0.6);
}
}).strokeStyle("#222").lineWidth(0.5);
}
public JsArrayGeneric<int[]> generateData() {
JsArrayGeneric<int[]> data = JsUtils.createJsArrayGeneric();
for (int i = 0; i < EXAMPLE_DATA.length; i++) {
data.push(EXAMPLE_DATA[i]);
}
return data;
}
@Override
public String getDescription() {
return null;
}
public String getProtovisExampleURL() {
return null;
}
public String getSourceCodeFile() {
return "EllipseExample.java";
}
protected void onAttach() {
super.onAttach();
initPVPanel();
createVisualization(generateData());
getPVPanel().render();
}
public String toString() {
return "New: Ellipse (Protovis Extension)";
}
}