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index.zulzul<?xml version="1.0" encoding="UTF-8"?>
<window apply="demo.bar.BarNegativeStackComposer">
<charts id="chart" type="bar"
title="Population pyramid for Germany, midyear 2010"
subtitle="Source: www.census.gov"/>
</window>TestComposer.javajava
package demo.bar;
import org.zkoss.chart.Charts;
import org.zkoss.chart.XAxis;
import org.zkoss.chart.YAxis;
import org.zkoss.json.JavaScriptValue;
import org.zkoss.zk.ui.select.SelectorComposer;
import org.zkoss.zk.ui.select.annotation.Wire;
import org.zkoss.zul.Window;
public class BarNegativeStackComposer extends SelectorComposer<Window> {
@Wire
Charts chart;
public void doAfterCompose(Window comp) throws Exception {
super.doAfterCompose(comp);
chart.setModel(BarNegativeStackData.getCategoryModel());
chart.getXAxis().setReversed(false);
chart.getXAxis().getLabels().setStep(1);
// mirror axis on right side
XAxis minorAxis = chart.getXAxis(1);
minorAxis.setOpposite(true);
minorAxis.setReversed(false);
minorAxis.setLinkedTo(0);
minorAxis.getLabels().setStep(1);
minorAxis.setCategories(BarNegativeStackData.getCategories());
YAxis yAxis = chart.getYAxis();
yAxis.setTitle("");
yAxis.getLabels().setFormatter(new JavaScriptValue("function() {return Math.abs(this.value)/1000000 + 'M';}"));
yAxis.setMin(-4000000);
yAxis.setMax(4000000);
chart.getPlotOptions().getSeries().setStacking("normal");
chart.getTooltip().setFormatter(new JavaScriptValue("function() {return '<b>' + this.series.name + ', age ' + this.point.category + '</b><br/>' + 'Population: ' + Highcharts.numberFormat(Math.abs(this.point.y), 0);}"));
}
}PieChartVM.javajavaimport org.zkoss.chart.model.CategoryModel;
import org.zkoss.chart.model.DefaultCategoryModel;
public class PieChartVM {
private static CategoryModel model;
static {
model = new DefaultCategoryModel();
model.setValue("Year 1800", "Africa", 107);
model.setValue("Year 1800", "America", 31);
model.setValue("Year 1800", "Asia", 635);
model.setValue("Year 1800", "Europe", 203);
model.setValue("Year 1800", "Oceania", 2);
model.setValue("Year 1900", "Africa", 133);
model.setValue("Year 1900", "America", 156);
model.setValue("Year 1900", "Asia", 947);
model.setValue("Year 1900", "Europe", 408);
model.setValue("Year 1900", "Oceania", 6);
model.setValue("Year 2008", "Africa", 973);
model.setValue("Year 2008", "America", 914);
model.setValue("Year 2008", "Asia", 4054);
model.setValue("Year 2008", "Europe", 732);
model.setValue("Year 2008", "Oceania", 34);
}
public static CategoryModel getCategoryModel() {
return model;
}
}
PieChartEngine.javajavaimport java.awt.Color;
import java.awt.Paint;
import java.awt.Shape;
import java.awt.Stroke;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.DefaultDrawingSupplier;
import org.jfree.chart.plot.PiePlot;
import org.zkoss.zkex.zul.impl.JFreeChartEngine;
import org.zkoss.zul.Chart;
/*
* you are able to do many advanced chart customization by extending ChartEngine
*/
public class PieChartEngine extends JFreeChartEngine {
private boolean explode = false;
public boolean prepareJFreeChart(JFreeChart jfchart, Chart chart) {
jfchart.setBackgroundPaint(Color.white);
PiePlot piePlot = (PiePlot) jfchart.getPlot();
piePlot.setLabelBackgroundPaint(ChartColors.COLOR_4);
//override some default colors
Paint[] colors = new Paint[] {ChartColors.COLOR_1, ChartColors.COLOR_2, ChartColors.COLOR_3, ChartColors.COLOR_4};
DefaultDrawingSupplier defaults = new DefaultDrawingSupplier();
piePlot.setDrawingSupplier(new DefaultDrawingSupplier(colors, new Paint[]{defaults.getNextFillPaint()}, new Paint[]{defaults.getNextOutlinePaint()},
new Stroke[]{defaults.getNextStroke()}, new Stroke[] {defaults.getNextOutlineStroke()}, new Shape[] {defaults.getNextShape()}));
piePlot.setShadowPaint(null);
piePlot.setSectionOutlinesVisible(false);
piePlot.setExplodePercent("Java", explode ? 0.2 : 0);
return false;
}
public void setExplode(boolean explode) {
this.explode = explode;
}
}ChartColors.javajavaimport java.awt.Color;
public class ChartColors {
private static final int PAD_LIMIT = 8192;
//main colors
public static Color COLOR_1 = new Color(0x3E454C);
public static Color COLOR_2 = new Color(0x2185C5);
public static Color COLOR_3 = new Color(0x7ECEFD);
public static Color COLOR_4 = new Color(0xFFF6E5);
public static Color COLOR_5 = new Color(0xFF7F66);
//additional colors
public static Color COLOR_6 = new Color(0x98D9FF);
public static Color COLOR_7 = new Color(0x4689B1);
public static Color COLOR_8 = new Color(0xB17C35);
public static Color COLOR_9 = new Color(0xFDC77E);
public static String toHtmlColor(Color color) {
return "#" + toHexColor(color);
}
public static String toHexColor(Color color) {
return leftPad(Integer.toHexString(color.getRGB() & 0xFFFFFF), 6, '0');
}
public static String leftPad(String str, int size, char padChar) {
if (str == null) {
return null;
}
int pads = size - str.length();
if (pads <= 0) {
return str; // returns original String when possible
}
if (pads > PAD_LIMIT) {
return leftPad(str, size, String.valueOf(padChar));
}
return padding(pads, padChar).concat(str);
}
private static String padding(int repeat, char padChar) throws IndexOutOfBoundsException {
if (repeat < 0) {
throw new IndexOutOfBoundsException("Cannot pad a negative amount: " + repeat);
}
final char[] buf = new char[repeat];
for (int i = 0; i < buf.length; i++) {
buf[i] = padChar;
}
return new String(buf);
}
public static String leftPad(String str, int size, String padStr) {
if (str == null) {
return null;
}
if (isEmpty(padStr)) {
padStr = " ";
}
int padLen = padStr.length();
int strLen = str.length();
int pads = size - strLen;
if (pads <= 0) {
return str; // returns original String when possible
}
if (padLen == 1 && pads <= PAD_LIMIT) {
return leftPad(str, size, padStr.charAt(0));
}
if (pads == padLen) {
return padStr.concat(str);
} else if (pads < padLen) {
return padStr.substring(0, pads).concat(str);
} else {
char[] padding = new char[pads];
char[] padChars = padStr.toCharArray();
for (int i = 0; i < pads; i++) {
padding[i] = padChars[i % padLen];
}
return new String(padding).concat(str);
}
}
public static boolean isEmpty(String str) {
return str == null || str.length() == 0;
}
}
PieChartData.javajavaimport org.zkoss.zul.PieModel;
import org.zkoss.zul.SimplePieModel;
public class PieChartData {
public static PieModel getModel(){
PieModel model = new SimplePieModel();
model.setValue("C#", new Double(21.2));
model.setValue("VB", new Double(10.2));
model.setValue("Java", new Double(40.4));
model.setValue("PHP", new Double(28.2));
return model;
}
}PieChartConfigVM.javajavapublic class PieChartConfigVM {
double value1 = 22.1D;
double value2 = 10.2D;
double value3 = 40.4D;
double value4 = 28.2D;
public double getValue1() {
return value1;
}
public void setValue1(double value1) {
this.value1 = value1;
}
public double getValue2() {
return value2;
}
public void setValue2(double value2) {
this.value2 = value2;
}
public double getValue3() {
return value3;
}
public void setValue3(double value3) {
this.value3 = value3;
}
public double getValue4() {
return value4;
}
public void setValue4(double value4) {
this.value4 = value4;
}
}