CombinedChartBean


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67  package com.icesoft.icefaces.samples.showcase.components.charts;
68  
69  import com.icesoft.faces.component.outputchart.OutputChart;
70  import com.icesoft.faces.context.effects.Effect;
71  import com.icesoft.faces.context.effects.Highlight;
72  import com.icesoft.faces.context.effects.Pulsate;
73  import org.krysalis.jcharts.axisChart.AxisChart;
74  import org.krysalis.jcharts.chartData.AxisChartDataSet;
75  import org.krysalis.jcharts.chartData.DataSeries;
76  import org.krysalis.jcharts.properties.AxisProperties;
77  import org.krysalis.jcharts.properties.BarChartProperties;
78  import org.krysalis.jcharts.properties.ChartProperties;
79  import org.krysalis.jcharts.properties.LegendProperties;
80  import org.krysalis.jcharts.properties.LineChartProperties;
81  import org.krysalis.jcharts.properties.PointChartProperties;
82  import org.krysalis.jcharts.test.TestDataGenerator;
83  import org.krysalis.jcharts.types.ChartType;
84  
85  import javax.faces.event.ActionEvent;
86  import java.awt.*;
87  
88  /**
89   * CombinedChartBean class. this class holds the backing information for the
90   * combined chart component of the showcase.
91   */
92  public class CombinedChartBean {
93  
94      //flag to determine if initialized
95      private boolean initialzed = false;
96  
97      //the text value returned after clicking on the chart
98      private String   clickedValue;
99  
100     //highlight effect when text is changed
101     private Effect effectOutputText =  new Highlight("#ffff99");;
102 
103     //local variable for the axis chart component of the combined chart
104     private static AxisChart axisChart;
105 
106     public CombinedChartBean() {
107     }
108 
109     private void buildAxisChart() {
110         try {
111             String  [] xAxisLabels =
112                     {"1998", "1999", "2000", "2001", "2002", "2003", "2004"};
113             String   xAxisTitle = "Years";
114             String   yAxisTitle = "Problems";
115             String   title = "Company Software";
116             DataSeries dataSeries =
117                     new DataSeries(xAxisLabels, xAxisTitle, yAxisTitle, title);
118 
119             double[][] data = TestDataGenerator.getRandomNumbers(3, 7, 0, 5000);
120             String  [] legendLabels = {"Bugs", "Security Holes", "Backdoors"};
121             Paint[] paints = new Color[]{
122                                 new Color(0xCAE1EF), 
123                                 new Color(0xF78208),
124                                 new Color(0x0D4274) };
125 
126             BarChartProperties barChartProperties = new BarChartProperties();
127             AxisChartDataSet axisChartDataSet =
128                     new AxisChartDataSet(data,
129                                          legendLabels,
130                                          paints,
131                                          ChartType.BAR,
132                                          barChartProperties);
133             dataSeries.addIAxisPlotDataSet(axisChartDataSet);
134 
135 
136             data = TestDataGenerator.getRandomNumbers(2, 7, 1000, 5000);
137             legendLabels = new String  []{"Patches", "New Patch Bugs"};
138             paints = new Paint[]{ new Color(0x0D4274),
139                                 new Color(0xF78208)};
140 
141             Stroke[] strokes = {LineChartProperties.DEFAULT_LINE_STROKE,
142                                 LineChartProperties.DEFAULT_LINE_STROKE};
143             Shape[] shapes = {PointChartProperties.SHAPE_CIRCLE,
144                               PointChartProperties.SHAPE_TRIANGLE};
145             LineChartProperties lineChartProperties =
146                     new LineChartProperties(strokes, shapes);
147             axisChartDataSet = new AxisChartDataSet(data, legendLabels, paints,
148                                                     ChartType.LINE,
149                                                     lineChartProperties);
150             dataSeries.addIAxisPlotDataSet(axisChartDataSet);
151 
152 
153             ChartProperties chartProperties = new ChartProperties();
154             AxisProperties axisProperties = new AxisProperties();
155             LegendProperties legendProperties = new LegendProperties();
156 
157             axisChart = new AxisChart(dataSeries, chartProperties,
158                                       axisProperties,
159                                       legendProperties, 500, 500);
160 
161         } catch (Exception   e) {
162             e.printStackTrace();
163         }
164     }
165 
166 
167     /**
168      * Method to tell the page to render or not based on the initialized flag
169      *
170      * @param component chart component which will be rendered.
171      * @return boolean true if OutputChart should be re-rendered; otherwise,
172      *         false.
173      */
174     public boolean renderOnSubmit(OutputChart component) {
175         if (axisChart == null || component.getChart() == null)
176             buildAxisChart();
177         component.setChart(axisChart);
178 
179         return !initialzed && (initialzed = true);
180 
181     }
182 
183 
184     /**
185      * Method to change the output text to the valuse selected by the user when
186      * they click on the chart
187      *
188      * @param event JSF action event
189      */
190     public void action(ActionEvent event) {
191         if (event.getSource() instanceof OutputChart) {
192             OutputChart chart = (OutputChart) event.getSource();
193             clickedValue = "";
194             if (chart.getClickedImageMapArea().getXAxisLabel() != null) {
195                 setClickedValue(chart.getClickedImageMapArea().getXAxisLabel() +
196                                 "  :  " +
197                                 chart.getClickedImageMapArea().getValue());
198                 effectOutputText.setFired(false);
199             }
200         }
201     }
202 
203 
204     public String   getClickedValue() {
205         return clickedValue;
206     }
207 
208     public void setClickedValue(String   clickedValue) {
209         this.clickedValue = clickedValue;
210     }
211 
212 
213     public Effect getEffectOutputText() {
214         return effectOutputText;
215     }
216 
217     public void setEffectOutputText(Effect effectOutputText) {
218         this.effectOutputText = effectOutputText;
219     }
220 }
221
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