source: trunk/src/org/expeditee/items/widgets/charts/AbstractPie.java@ 1102

Last change on this file since 1102 was 1102, checked in by davidb, 6 years ago

Reworking of the code-base to separate logic from graphics. This version of Expeditee now supports a JFX graphics as an alternative to SWING
File size: 4.7 KB
Line 
1/**
2 * AbstractPie.java
3 * Copyright (C) 2010 New Zealand Digital Library, http://expeditee.org
4 *
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19package org.expeditee.items.widgets.charts;
20
21import java.awt.BasicStroke;
22
23import org.expeditee.core.Colour;
24import org.expeditee.gio.swing.SwingConversions;
25import org.expeditee.gui.AttributeValuePair;
26import org.expeditee.gui.Frame;
27import org.expeditee.items.Text;
28import org.jfree.chart.labels.PieSectionLabelGenerator;
29import org.jfree.chart.plot.PiePlot;
30import org.jfree.chart.plot.Plot;
31import org.jfree.data.general.DefaultPieDataset;
32import org.jfree.ui.RectangleInsets;
33
34public abstract class AbstractPie extends AbstractChart {
35
36 protected DefaultPieDataset _data;
37
38 private PieSectionLabelGenerator _labelGenerator;
39
40 protected DefaultPieDataset getChartData() {
41 if (_data == null)
42 _data = new DefaultPieDataset();
43 return _data;
44 }
45
46 public AbstractPie(Text source, String[] args) {
47 super(source, args);
48 }
49
50 @Override
51 protected void init() {
52 super.init();
53 _labelGenerator = ((PiePlot) getChart().getPlot()).getLabelGenerator();
54 }
55
56 /**
57 * @param dataFrame
58 */
59 @Override
60 protected void refreshPlot(Frame dataFrame, Plot plot) {
61 if (dataFrame.hasAnnotation("labels")) {
62 ((PiePlot) plot).setLabelGenerator(_labelGenerator);
63 } else {
64 ((PiePlot) plot).setLabelGenerator(null);
65 }
66 }
67
68 @Override
69 protected void clearData() {
70 _data.clear();
71 }
72
73 /**
74 * @param dataFrame
75 */
76 @Override
77 protected void refreshData(Frame dataFrame) {
78 for (Text t : dataFrame.getBodyTextItems(false)) {
79 // Ignore line ends for pie charts
80 //TODO find out HOW text became null when i was doing a graph!!
81 String text = t.getText();
82 if (t.isLineEnd() || text == null)
83 continue;
84 AttributeValuePair avp = new AttributeValuePair(text);
85 if (avp != null && avp.hasPair()) {
86 try {
87 _data.setValue(avp.getAttribute(), avp.getDoubleValue());
88 _paints.put(avp.getAttribute(), SwingConversions.toSwingColor(t.getBackgroundColor()));
89 } catch (NumberFormatException nfe) {
90
91 }
92 }
93 }
94 }
95
96 @Override
97 public void setSourceBorderColor(Colour c) {
98 super.setSourceBorderColor(c);
99 if (getChart() == null)
100 return;
101 PiePlot plot = ((PiePlot) getChart().getPlot());
102 if (c == null) {
103 plot.setBaseSectionOutlinePaint(Plot.DEFAULT_OUTLINE_PAINT);
104 plot.setLabelLinkPaint(PiePlot.DEFAULT_LABEL_OUTLINE_PAINT);
105 plot.setLabelOutlinePaint(PiePlot.DEFAULT_LABEL_OUTLINE_PAINT);
106 plot.setLabelShadowPaint(PiePlot.DEFAULT_LABEL_SHADOW_PAINT);
107 plot.setShadowPaint(PiePlot.DEFAULT_SHADOW_PAINT);
108 } else {
109 plot.setBaseSectionOutlinePaint(SwingConversions.toSwingColor(c));
110 plot.setLabelLinkPaint(SwingConversions.toSwingColor(c));
111 plot.setLabelOutlinePaint(SwingConversions.toSwingColor(c));
112 Colour newC = c.darker();
113 Colour faded = new Colour(newC.getRed(), newC.getGreen(), newC
114 .getBlue(), Colour.FromComponent255(128));
115
116 plot.setLabelShadowPaint(SwingConversions.toSwingColor(faded));
117 plot.setShadowPaint(SwingConversions.toSwingColor(c));
118 }
119 }
120
121 @Override
122 public void setSourceColor(Colour c) {
123 super.setSourceColor(c);
124 if (getChart() == null)
125 return;
126 PiePlot plot = ((PiePlot) getChart().getPlot());
127 if (c == null) {
128 plot.setLabelPaint(PiePlot.DEFAULT_LABEL_PAINT);
129 } else {
130 plot.setLabelPaint(SwingConversions.toSwingColor(c));
131 }
132 }
133
134 @Override
135 public void setSourceThickness(float newThickness, boolean setConnected) {
136 super.setSourceThickness(newThickness, setConnected);
137 if (getChart() == null)
138 return;
139 PiePlot plot = ((PiePlot) getChart().getPlot());
140 plot.setBaseSectionOutlineStroke(new BasicStroke(newThickness));
141
142 plot.setLabelLinkStroke(new BasicStroke(newThickness));
143 plot.setLabelOutlineStroke(new BasicStroke(newThickness));
144
145 plot.setLabelFont(plot.getLabelFont().deriveFont(
146 getFontSize(newThickness, PiePlot.DEFAULT_LABEL_FONT
147 .getSize2D())));
148 plot.setLabelPadding(new RectangleInsets(newThickness + 1,
149 newThickness + 1, newThickness + 1, newThickness + 1));
150 plot.setLegendItemShape(Plot.getCircle((newThickness + 1) * 2));
151 }
152}
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