com.codename1.charts.transitions.XYMultiSeriesTransition Maven / Gradle / Ivy
/*
* Copyright (c) 2012, Codename One and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Codename One designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Codename One through http://www.codenameone.com/ if you
* need additional information or have any questions.
*/
package com.codename1.charts.transitions;
import com.codename1.charts.ChartComponent;
import com.codename1.charts.models.XYMultipleSeriesDataset;
import com.codename1.charts.models.XYSeries;
/**
* A transition to animate the values of a MultipleSeriesDataset (used by BarChart).
* @author shannah
*/
public class XYMultiSeriesTransition extends SeriesTransition {
/**
* The data set whose values are to be animated.
*/
private final XYMultipleSeriesDataset dataset;
/**
* A buffer or cache dataset to store values before they are applied to the
* target dataset.
*/
private XYMultipleSeriesDataset datasetCache;
/**
* Transitions for the individual series of the dataset.
*/
private XYSeriesTransition[] seriesTransitions;
/**
* Creates a new transition for the given chart and dataset. The dataset
* must be rendered by the given chart for this to work correctly.
* @param chart
* @param dataset
*/
public XYMultiSeriesTransition(ChartComponent chart, XYMultipleSeriesDataset dataset) {
super(chart);
this.dataset = dataset;
}
/**
* @inherit
*/
@Override
protected void initTransition() {
getBuffer(); // initializes the buffer and seriesTranslations
int len = seriesTransitions.length;
for (int i=0; i