SankeyChart.java

/*
 * Copyright 2014 James Pether Sörling
 * 
 * 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.
 *
 *	$Id$
 *  $HeadURL$
*/
package com.hack23.cia.web.widgets.charts;

import java.util.UUID;

import org.apache.commons.lang3.builder.EqualsBuilder;
import org.apache.commons.lang3.builder.HashCodeBuilder;

import com.vaadin.annotations.JavaScript;
import com.vaadin.ui.AbstractJavaScriptComponent;

/**
 * The Class SankeyChart.
 */
@JavaScript({ "https://www.gstatic.com/charts/loader.js", "SankeyChart.js" })
public final class SankeyChart extends AbstractJavaScriptComponent {

	/** The Constant serialVersionUID. */
	private static final long serialVersionUID = 1L;

	/** The my id. */
	private String myId;

	/**
	 * Instantiates a new sankey chart.
	 */
	public SankeyChart() {
		myId = "gBarChartComponent" + UUID.randomUUID().toString();
		callFunction("setId", myId);
		setSizeFull();
		setHeight("100%");
		setId(myId);
		getState().myId=myId;
	}

	@Override
	protected SankeyChartState getState() {
		return (SankeyChartState) super.getState();
	}

	/**
	 * Adds the data row.
	 *
	 * @param from
	 *            the from
	 * @param to
	 *            the to
	 * @param weight
	 *            the weight
	 */
	public void addDataRow(final String from, final String to, int weight) {
		getState().addDataRow(from, to, weight);
	}

	/**
	 * Draw chart.
	 */
	public void drawChart() {
		callFunction("doDraw");
	}

	@Override
	public int hashCode() {
		return HashCodeBuilder.reflectionHashCode(this, false);
	}

	@Override
	public boolean equals(Object obj) {
		return EqualsBuilder.reflectionEquals(this, obj);
	}

}