/**
* Copyright (C) 2009 - 2013 SC 4ViewSoft SRL
*
* 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.achartengine.chartdemo.demo.chart;
import java.util.Date;
import java.util.List;
import org.achartengine.chart.PointStyle;
import org.achartengine.model.CategorySeries;
import org.achartengine.model.MultipleCategorySeries;
import org.achartengine.model.TimeSeries;
import org.achartengine.model.XYMultipleSeriesDataset;
import org.achartengine.model.XYSeries;
import org.achartengine.renderer.DefaultRenderer;
import org.achartengine.renderer.SimpleSeriesRenderer;
import org.achartengine.renderer.XYMultipleSeriesRenderer;
import org.achartengine.renderer.XYSeriesRenderer;
/**
* An abstract class for the demo charts to extend. It contains some methods for
* building datasets and renderers.
*/
public abstract class AbstractDemoChart implements IDemoChart {
/**
* Builds an XY multiple dataset using the provided values.
*
* @param titles the series titles
* @param xValues the values for the X axis
* @param yValues the values for the Y axis
* @return the XY multiple dataset
*/
protected XYMultipleSeriesDataset buildDataset(String[] titles, List<double[]> xValues,
List<double[]> yValues) {
XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset();
addXYSeries(dataset, titles, xValues, yValues, 0);
return dataset;
}
public void addXYSeries(XYMultipleSeriesDataset dataset, String[] titles, List<double[]> xValues,
List<double[]> yValues, int scale) {
int length = titles.length;
for (int i = 0; i < length; i++) {
XYSeries series = new XYSeries(titles[i], scale);
double[] xV = xValues.get(i);
double[] yV = yValues.get(i);
int seriesLength = xV.length;
for (int k = 0; k < seriesLength; k++) {
series.add(xV[k], yV[k]);
}
dataset.addSeries(series);
}
}
/**
* Builds an XY multiple series renderer.
*
* @param colors the series rendering colors
* @param styles the series point styles
* @return the XY multiple series renderers
*/
protected XYMultipleSeriesRenderer buildRenderer(int[] colors, PointStyle[] styles) {
XYMultipleSeriesRenderer renderer = new XYMultipleSeriesRenderer();
setRenderer(renderer, colors, styles);
return renderer;
}
protected void setRenderer(XYMultipleSeriesRenderer renderer, int[] colors, PointStyle[] styles) {
renderer.setAxisTitleTextSize(16);
renderer.setChartTitleTextSize(20);
renderer.setLabelsTextSize(15);
renderer.setLegendTextSize(15);
renderer.setPointSize(5f);
renderer.setMargins(new int[] { 20, 30, 15, 20 });
int length = colors.length;
for (int i = 0; i < length; i++) {
XYSeriesRenderer r = new XYSeriesRenderer();
r.setColor(colors[i]);
r.setPointStyle(styles[i]);
renderer.addSeriesRenderer(r);
}
}
/**
* Sets a few of the series renderer settings.
*
* @param renderer the renderer to set the properties to
* @param title the chart title
* @param xTitle the title for the X axis
* @param yTitle the title for the Y axis
* @param xMin the minimum value on the X axis
* @param xMax the maximum value on the X axis
* @param yMin the minimum value on the Y axis
* @param yMax the maximum value on the Y axis
* @param axesColor the axes color
* @param labelsColor the labels color
*/
protected void setChartSettings(XYMultipleSeriesRenderer renderer, String title, String xTitle,
String yTitle, double xMin, double xMax, double yMin, double yMax, int axesColor,
int labelsColor) {
renderer.setChartTitle(title);
renderer.setXTitle(xTitle);
renderer.setYTitle(yTitle);
renderer.setXAxisMin(xMin);
renderer.setXAxisMax(xMax);
renderer.setYAxisMin(yMin);
renderer.setYAxisMax(yMax);
renderer.setAxesColor(axesColor);
renderer.setLabelsColor(labelsColor);
}
/**
* Builds an XY multiple time dataset using the provided values.
*
* @param titles the series titles
* @param xValues the values for the X axis
* @param yValues the values for the Y axis
* @return the XY multiple time dataset
*/
protected XYMultipleSeriesDataset buildDateDataset(String[] titles, List<Date[]> xValues,
List<double[]> yValues) {
XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset();
int length = titles.length;
for (int i = 0; i < length; i++) {
TimeSeries series = new TimeSeries(titles[i]);
Date[] xV = xValues.get(i);
double[] yV = yValues.get(i);
int seriesLength = xV.length;
for (int k = 0; k < seriesLength; k++) {
series.add(xV[k], yV[k]);
}
dataset.addSeries(series);
}
return dataset;
}
/**
* Builds a category series using the provided values.
*
* @param titles the series titles
* @param values the values
* @return the category series
*/
protected CategorySeries buildCategoryDataset(String title, double[] values) {
CategorySeries series = new CategorySeries(title);
int k = 0;
for (double value : values) {
series.add("Project " + ++k, value);
}
return series;
}
/**
* Builds a multiple category series using the provided values.
*
* @param titles the series titles
* @param values the values
* @return the category series
*/
protected MultipleCategorySeries buildMultipleCategoryDataset(String title,
List<String[]> titles, List<double[]> values) {
MultipleCategorySeries series = new MultipleCategorySeries(title);
int k = 0;
for (double[] value : values) {
series.add(2007 + k + "", titles.get(k), value);
k++;
}
return series;
}
/**
* Builds a category renderer to use the provided colors.
*
* @param colors the colors
* @return the category renderer
*/
protected DefaultRenderer buildCategoryRenderer(int[] colors) {
DefaultRenderer renderer = new DefaultRenderer();
renderer.setLabelsTextSize(15);
renderer.setLegendTextSize(15);
renderer.setMargins(new int[] { 20, 30, 15, 0 });
for (int color : colors) {
SimpleSeriesRenderer r = new SimpleSeriesRenderer();
r.setColor(color);
renderer.addSeriesRenderer(r);
}
return renderer;
}
/**
* Builds a bar multiple series dataset using the provided values.
*
* @param titles the series titles
* @param values the values
* @return the XY multiple bar dataset
*/
protected XYMultipleSeriesDataset buildBarDataset(String[] titles, List<double[]> values) {
XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset();
int length = titles.length;
for (int i = 0; i < length; i++) {
CategorySeries series = new CategorySeries(titles[i]);
double[] v = values.get(i);
int seriesLength = v.length;
for (int k = 0; k < seriesLength; k++) {
series.add(v[k]);
}
dataset.addSeries(series.toXYSeries());
}
return dataset;
}
/**
* Builds a bar multiple series renderer to use the provided colors.
*
* @param colors the series renderers colors
* @return the bar multiple series renderer
*/
protected XYMultipleSeriesRenderer buildBarRenderer(int[] colors) {
XYMultipleSeriesRenderer renderer = new XYMultipleSeriesRenderer();
renderer.setAxisTitleTextSize(16);
renderer.setChartTitleTextSize(20);
renderer.setLabelsTextSize(15);
renderer.setLegendTextSize(15);
int length = colors.length;
for (int i = 0; i < length; i++) {
SimpleSeriesRenderer r = new SimpleSeriesRenderer();
r.setColor(colors[i]);
renderer.addSeriesRenderer(r);
}
return renderer;
}
}