-
-
Notifications
You must be signed in to change notification settings - Fork 454
/
PolarChartPanel.java
263 lines (238 loc) · 8.54 KB
/
PolarChartPanel.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2020, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jfreechart/index.html
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
* --------------------
* PolarChartPanel.java
* --------------------
* (C) Copyright 2004-2016, by Solution Engineering, Inc. and Contributors.
*
* Original Author: Daniel Bridenbecker, Solution Engineering, Inc.;
* Contributor(s): David Gilbert (for Object Refinery Limited);
* Martin Hoeller;
*
* Changes
* -------
* 19-Jan-2004 : Version 1, contributed by DB with minor changes by DG (DG);
* ------------- JFREECHART 1.0.x ---------------------------------------------
* 02-Feb-2007 : Removed author tags all over JFreeChart sources (DG);
* 10-Oct-2011 : bug #3165708: localization (MH);
*
*/
package org.jfree.chart;
import java.awt.Component;
import java.awt.event.ActionEvent;
import javax.swing.JMenuItem;
import javax.swing.JPopupMenu;
import org.jfree.chart.plot.Plot;
import org.jfree.chart.plot.PolarPlot;
/**
* {@code PolarChartPanel} is the top level object for using the
* {@link PolarPlot}. Since this class has a {@code JPanel} in the
* inheritance hierarchy, one uses this class to integrate the Polar plot into
* their application.
* <p>
* The main modification to {@code ChartPanel} is the popup menu. It
* removes {@code ChartPanel}'s versions of:
* <ul>
* <li>{@code Zoom In}</li>
* <li>{@code Zoom Out}</li>
* <li>{@code Auto Range}</li>
* </ul>
* and replaces them with versions more appropriate for {@link PolarPlot}.
*/
public class PolarChartPanel extends ChartPanel {
// -----------------
// --- Constants ---
// -----------------
/** Zoom in command string. */
private static final String POLAR_ZOOM_IN_ACTION_COMMAND = "Polar Zoom In";
/** Zoom out command string. */
private static final String POLAR_ZOOM_OUT_ACTION_COMMAND
= "Polar Zoom Out";
/** Auto range command string. */
private static final String POLAR_AUTO_RANGE_ACTION_COMMAND
= "Polar Auto Range";
// ------------------------
// --- Member Variables ---
// ------------------------
// --------------------
// --- Constructors ---
// --------------------
/**
* Constructs a JFreeChart panel.
*
* @param chart the chart.
*/
public PolarChartPanel(JFreeChart chart) {
this(chart, true);
}
/**
* Creates a new panel.
*
* @param chart the chart.
* @param useBuffer buffered?
*/
public PolarChartPanel(JFreeChart chart, boolean useBuffer) {
super(chart, useBuffer);
checkChart(chart);
setMinimumDrawWidth(200);
setMinimumDrawHeight(200);
setMaximumDrawWidth(2000);
setMaximumDrawHeight(2000);
}
// --------------------------
// --- ChartPanel Methods ---
// --------------------------
/**
* Sets the chart that is displayed in the panel.
*
* @param chart The chart.
*/
@Override
public void setChart(JFreeChart chart) {
checkChart(chart);
super.setChart(chart);
}
/**
* Creates a popup menu for the panel.
*
* @param properties include a menu item for the chart property editor.
* @param save include a menu item for saving the chart.
* @param print include a menu item for printing the chart.
* @param zoom include menu items for zooming.
*
* @return The popup menu.
*/
@Override
protected JPopupMenu createPopupMenu(boolean properties, boolean save,
boolean print, boolean zoom) {
JPopupMenu result = super.createPopupMenu(properties, save, print, zoom);
int zoomInIndex = getPopupMenuItem(result,
localizationResources.getString("Zoom_In"));
int zoomOutIndex = getPopupMenuItem(result,
localizationResources.getString("Zoom_Out"));
int autoIndex = getPopupMenuItem(result,
localizationResources.getString("Auto_Range"));
if (zoom) {
JMenuItem zoomIn = new JMenuItem(
localizationResources.getString("Zoom_In"));
zoomIn.setActionCommand(POLAR_ZOOM_IN_ACTION_COMMAND);
zoomIn.addActionListener(this);
JMenuItem zoomOut = new JMenuItem(
localizationResources.getString("Zoom_Out"));
zoomOut.setActionCommand(POLAR_ZOOM_OUT_ACTION_COMMAND);
zoomOut.addActionListener(this);
JMenuItem auto = new JMenuItem(
localizationResources.getString("Auto_Range"));
auto.setActionCommand(POLAR_AUTO_RANGE_ACTION_COMMAND);
auto.addActionListener(this);
if (zoomInIndex != -1) {
result.remove(zoomInIndex);
}
else {
zoomInIndex = result.getComponentCount() - 1;
}
result.add(zoomIn, zoomInIndex);
if (zoomOutIndex != -1) {
result.remove(zoomOutIndex);
}
else {
zoomOutIndex = zoomInIndex + 1;
}
result.add(zoomOut, zoomOutIndex);
if (autoIndex != -1) {
result.remove(autoIndex);
}
else {
autoIndex = zoomOutIndex + 1;
}
result.add(auto, autoIndex);
}
return result;
}
/**
* Handles action events generated by the popup menu.
*
* @param event the event.
*/
@Override
public void actionPerformed(ActionEvent event) {
String command = event.getActionCommand();
if (command.equals(POLAR_ZOOM_IN_ACTION_COMMAND)) {
PolarPlot plot = (PolarPlot) getChart().getPlot();
plot.zoom(0.5);
}
else if (command.equals(POLAR_ZOOM_OUT_ACTION_COMMAND)) {
PolarPlot plot = (PolarPlot) getChart().getPlot();
plot.zoom(2.0);
}
else if (command.equals(POLAR_AUTO_RANGE_ACTION_COMMAND)) {
PolarPlot plot = (PolarPlot) getChart().getPlot();
plot.getAxis().setAutoRange(true);
}
else {
super.actionPerformed(event);
}
}
// ----------------------
// --- Public Methods ---
// ----------------------
// -----------------------
// --- Private Methods ---
// -----------------------
/**
* Test that the chart is using an xy plot with time as the domain axis.
*
* @param chart the chart.
*/
private void checkChart(JFreeChart chart) {
Plot plot = chart.getPlot();
if (!(plot instanceof PolarPlot)) {
throw new IllegalArgumentException("plot is not a PolarPlot");
}
}
/**
* Returns the index of an item in a popup menu.
*
* @param menu the menu.
* @param text the label.
*
* @return The item index.
*/
private int getPopupMenuItem(JPopupMenu menu, String text) {
int index = -1;
for (int i = 0; (index == -1) && (i < menu.getComponentCount()); i++) {
Component comp = menu.getComponent(i);
if (comp instanceof JMenuItem) {
JMenuItem item = (JMenuItem) comp;
if (text.equals(item.getText())) {
index = i;
}
}
}
return index;
}
}