Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/chart/AbstractHistogram.java @ 1060:cc4ec127d666

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Remove the elements of an outdated state from cache if its endOfLife method is called. gnv-artifacts/trunk@1143 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 01 Jun 2010 16:54:21 +0000
parents 79401c871da4
children 86ca3c10523f
rev   line source
617
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
1 package de.intevation.gnv.chart;
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
2
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
3 import java.util.Locale;
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
4
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
5 import org.apache.log4j.Logger;
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
6
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
7 import org.jfree.chart.ChartFactory;
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
8 import org.jfree.chart.ChartTheme;
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
9 import org.jfree.chart.JFreeChart;
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
10
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
11 import org.jfree.chart.plot.PlotOrientation;
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
12 import org.jfree.chart.plot.XYPlot;
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
13
623
65f09139e9b3 Fixed file handle leak when writing meta data.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 617
diff changeset
14 import org.jfree.chart.renderer.xy.XYBarRenderer;
617
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
15
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
16 /**
767
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
17 * This abstract class defines some methods to adjust chart settings after its
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
18 * creation.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
19 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
20 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
617
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
21 */
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
22 public abstract class AbstractHistogram
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
23 implements Chart
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
24 {
767
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
25 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
26 * Logger used for logging with Apache log4j.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
27 */
617
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
28 private Logger logger = Logger.getLogger(AbstractHistogram.class);
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
29
767
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
30 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
31 * JFreeChart chart stored at this place after chart creation.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
32 */
617
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
33 protected JFreeChart chart;
767
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
34
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
35 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
36 * Labels used for chart title, subtitle, axis description.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
37 */
617
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
38 protected ChartLabels labels;
767
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
39
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
40 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
41 * Theme which is used to adjust the styling of this chart.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
42 */
617
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
43 protected ChartTheme theme;
767
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
44
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
45 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
46 * Raw data which should be displayed in the chart.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
47 */
617
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
48 protected Object[] data;
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
49
767
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
50 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
51 * Locale object used for i18n support.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
52 */
617
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
53 protected Locale locale;
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
54
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
55
767
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
56 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
57 * Constructor for creating histogram charts.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
58 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
59 * @param labels See {@link #labels}
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
60 * @param data See {@link #data}
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
61 * @param theme See {@link #theme}
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
62 */
617
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
63 public AbstractHistogram(
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
64 ChartLabels labels, Object[] data, ChartTheme theme
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
65 ) {
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
66 this.labels = labels;
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
67 this.data = data;
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
68 this.theme = theme;
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
69 }
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
70
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
71
767
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
72 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
73 * @see de.intevation.gnv.chart.Chart#generateChart()
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
74 */
617
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
75 public JFreeChart generateChart() {
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
76
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
77 if (chart != null)
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
78 return chart;
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
79
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
80 chart = ChartFactory.createHistogram(
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
81 labels.getTitle(),
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
82 labels.getDomainAxisLabel(),
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
83 labels.getRangeAxisLabel(),
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
84 null,
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
85 PlotOrientation.VERTICAL,
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
86 true,
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
87 false,
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
88 false);
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
89
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
90 applyDatasets();
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
91
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
92 theme.apply(chart);
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
93 adjustPlot();
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
94
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
95 return chart;
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
96 }
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
97
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
98
767
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
99 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
100 * Method to do some changes in plot settings.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
101 */
617
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
102 protected void adjustPlot() {
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
103 XYPlot plot = (XYPlot) chart.getPlot();
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
104 XYBarRenderer renderer = (XYBarRenderer) plot.getRenderer();
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
105
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
106 renderer.setShadowVisible(false);
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
107 renderer.setSeriesVisibleInLegend(0, false);
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
108 }
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
109
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
110
767
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
111 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
112 * This method needs to be implemented by subclasses and should add valid
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
113 * <code>HistogramDataset</code> objects to the created chart. It is called
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
114 * by {@link #generateChart} after chart creation.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
115 */
617
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
116 protected abstract void applyDatasets();
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
117 }
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
118 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org