Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
MultiChartPanel |
|
| 2.857142857142857;2.857 |
1 | /* ======================================================================= | |
2 | * A visualisation library extension for JFreeChart. Please see JFreeChart | |
3 | * for further information. | |
4 | * ======================================================================= | |
5 | * Copyright (C) 2006 University of Helsinki, Department of Computer Science | |
6 | * | |
7 | * This library is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU Lesser General Public | |
9 | * License as published by the Free Software Foundation; either | |
10 | * version 2.1 of the License, or (at your option) any later version. | |
11 | * | |
12 | * This library is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * Lesser General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU Lesser General Public | |
18 | * License along with this library; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
20 | * ----------------------------- | |
21 | * Contact: ohtu@cs.helsinki.fi | |
22 | * ----------------------------- | |
23 | * | |
24 | */ | |
25 | ||
26 | ||
27 | package org.jfree.chart; | |
28 | ||
29 | import java.util.*; | |
30 | import java.math.BigDecimal; | |
31 | ||
32 | import java.awt.AWTEvent; | |
33 | import java.awt.Dimension; | |
34 | import java.awt.Graphics; | |
35 | import java.awt.Graphics2D; | |
36 | import java.awt.Image; | |
37 | import java.awt.Insets; | |
38 | import java.awt.Point; | |
39 | import java.awt.event.ActionEvent; | |
40 | import java.awt.event.ActionListener; | |
41 | import java.awt.event.MouseEvent; | |
42 | import java.awt.event.MouseListener; | |
43 | import java.awt.event.MouseMotionListener; | |
44 | import java.awt.geom.AffineTransform; | |
45 | import java.awt.geom.Line2D; | |
46 | import java.awt.geom.Point2D; | |
47 | import java.awt.geom.Rectangle2D; | |
48 | import java.awt.print.PageFormat; | |
49 | import java.awt.print.Printable; | |
50 | import java.awt.print.PrinterException; | |
51 | import java.awt.print.PrinterJob; | |
52 | import java.io.File; | |
53 | import java.io.IOException; | |
54 | import java.io.Serializable; | |
55 | import java.util.EventListener; | |
56 | import java.util.ResourceBundle; | |
57 | ||
58 | import javax.swing.JFileChooser; | |
59 | import javax.swing.JMenu; | |
60 | import javax.swing.JMenuItem; | |
61 | import javax.swing.JOptionPane; | |
62 | import javax.swing.JPanel; | |
63 | import javax.swing.JPopupMenu; | |
64 | import javax.swing.ToolTipManager; | |
65 | import javax.swing.event.EventListenerList; | |
66 | ||
67 | import org.jfree.chart.editor.ChartEditor; | |
68 | import org.jfree.chart.editor.ChartEditorManager; | |
69 | import org.jfree.chart.entity.ChartEntity; | |
70 | import org.jfree.chart.entity.EntityCollection; | |
71 | import org.jfree.chart.event.ChartChangeEvent; | |
72 | import org.jfree.chart.event.ChartChangeListener; | |
73 | import org.jfree.chart.event.ChartProgressEvent; | |
74 | import org.jfree.chart.event.ChartProgressListener; | |
75 | import org.jfree.chart.plot.Plot; | |
76 | import org.jfree.chart.plot.PlotOrientation; | |
77 | import org.jfree.chart.plot.PlotRenderingInfo; | |
78 | import org.jfree.chart.plot.ValueAxisPlot; | |
79 | import org.jfree.chart.plot.Zoomable; | |
80 | import org.jfree.ui.ExtensionFileFilter; | |
81 | ||
82 | /** | |
83 | * A class for linking two or more {@link ChartPanel} instances | |
84 | * together for printing and saving. | |
85 | * | |
86 | * @author viski-project, Univ. of Helsinki | |
87 | */ | |
88 | public class MultiChartPanel extends ChartPanel { | |
89 | ||
90 | /** List of panels of which contents will be used in save/print */ | |
91 | private List panels; | |
92 | ||
93 | /** | |
94 | * Constructs a panel that displays the specified chart. | |
95 | * | |
96 | * @param chart the chart. | |
97 | * @param panels the list of chartpanels. | |
98 | */ | |
99 | public MultiChartPanel(JFreeChart chart, | |
100 | List panels) { | |
101 | ||
102 | 3 | super(chart, |
103 | DEFAULT_WIDTH, | |
104 | DEFAULT_HEIGHT, | |
105 | DEFAULT_MINIMUM_DRAW_WIDTH, | |
106 | DEFAULT_MINIMUM_DRAW_HEIGHT, | |
107 | DEFAULT_MAXIMUM_DRAW_WIDTH, | |
108 | DEFAULT_MAXIMUM_DRAW_HEIGHT, | |
109 | DEFAULT_BUFFER_USED, | |
110 | true, // properties | |
111 | true, // save | |
112 | true, // print | |
113 | true, // zoom | |
114 | true // tooltips | |
115 | ); | |
116 | 3 | this.panels=panels; |
117 | ||
118 | 3 | } |
119 | ||
120 | /** | |
121 | * Constructs a panel containing a chart. | |
122 | * | |
123 | * @param chart the chart. | |
124 | * @param useBuffer a flag controlling whether or not an off-screen buffer | |
125 | * is used. | |
126 | * @param panels the list of chartpanels. | |
127 | */ | |
128 | public MultiChartPanel(JFreeChart chart, | |
129 | boolean useBuffer, | |
130 | List panels) { | |
131 | ||
132 | 1 | super(chart, |
133 | DEFAULT_WIDTH, | |
134 | DEFAULT_HEIGHT, | |
135 | DEFAULT_MINIMUM_DRAW_WIDTH, | |
136 | DEFAULT_MINIMUM_DRAW_HEIGHT, | |
137 | DEFAULT_MAXIMUM_DRAW_WIDTH, | |
138 | DEFAULT_MAXIMUM_DRAW_HEIGHT, | |
139 | useBuffer, | |
140 | true, // properties | |
141 | true, // save | |
142 | true, // print | |
143 | true, // zoom | |
144 | true // tooltips | |
145 | ); | |
146 | 1 | this.panels=panels; |
147 | ||
148 | 1 | } |
149 | ||
150 | /** | |
151 | * Constructs a JFreeChart panel. | |
152 | * | |
153 | * @param chart the chart. | |
154 | * @param properties a flag indicating whether or not the chart property | |
155 | * editor should be available via the popup menu. | |
156 | * @param save a flag indicating whether or not save options should be | |
157 | * available via the popup menu. | |
158 | * @param print a flag indicating whether or not the print option | |
159 | * should be available via the popup menu. | |
160 | * @param zoom a flag indicating whether or not zoom options should | |
161 | * be added to the popup menu. | |
162 | * @param tooltips a flag indicating whether or not tooltips should be | |
163 | * enabled for the chart. | |
164 | * @param panels the list of chartpanels. | |
165 | */ | |
166 | public MultiChartPanel(JFreeChart chart, | |
167 | boolean properties, | |
168 | boolean save, | |
169 | boolean print, | |
170 | boolean zoom, | |
171 | boolean tooltips, | |
172 | List panels) { | |
173 | ||
174 | 1 | super(chart, |
175 | DEFAULT_WIDTH, | |
176 | DEFAULT_HEIGHT, | |
177 | DEFAULT_MINIMUM_DRAW_WIDTH, | |
178 | DEFAULT_MINIMUM_DRAW_HEIGHT, | |
179 | DEFAULT_MAXIMUM_DRAW_WIDTH, | |
180 | DEFAULT_MAXIMUM_DRAW_HEIGHT, | |
181 | DEFAULT_BUFFER_USED, | |
182 | properties, | |
183 | save, | |
184 | print, | |
185 | zoom, | |
186 | tooltips | |
187 | ); | |
188 | 1 | this.panels=panels; |
189 | 1 | } |
190 | /** | |
191 | * Constructs a JFreeChart panel. | |
192 | * | |
193 | * @param chart the chart. | |
194 | * @param width the preferred width of the panel. | |
195 | * @param height the preferred height of the panel. | |
196 | * @param minimumDrawWidth the minimum drawing width. | |
197 | * @param minimumDrawHeight the minimum drawing height. | |
198 | * @param maximumDrawWidth the maximum drawing width. | |
199 | * @param maximumDrawHeight the maximum drawing height. | |
200 | * @param useBuffer a flag that indicates whether to use the | |
201 | * buffer to improve performance (at the | |
202 | * memory). | |
203 | * @param properties a flag indicating whether or not the chart property | |
204 | * editor should be available via the popup | |
205 | * @param save a flag indicating whether or not save options should be | |
206 | * available via the popup menu. | |
207 | * @param print a flag indicating whether or not the print option | |
208 | * should be available via the popup menu. | |
209 | * @param zoom a flag indicating whether or not zoom options should be | |
210 | * added to the popup menu. | |
211 | * @param tooltips a flag indicating whether or not tooltips should be | |
212 | * enabled for the chart. | |
213 | * @param panels the list of chartpanels. | |
214 | */ | |
215 | public MultiChartPanel(JFreeChart chart, | |
216 | int width, | |
217 | int height, | |
218 | int minimumDrawWidth, | |
219 | int minimumDrawHeight, | |
220 | int maximumDrawWidth, | |
221 | int maximumDrawHeight, | |
222 | boolean useBuffer, | |
223 | boolean properties, | |
224 | boolean save, | |
225 | boolean print, | |
226 | boolean zoom, | |
227 | boolean tooltips, | |
228 | List panels) { | |
229 | 1 | super(chart, |
230 | width, | |
231 | height, | |
232 | minimumDrawWidth, | |
233 | minimumDrawHeight, | |
234 | maximumDrawWidth, | |
235 | maximumDrawHeight, | |
236 | useBuffer, | |
237 | properties, | |
238 | save, | |
239 | print, | |
240 | zoom, | |
241 | tooltips | |
242 | ); | |
243 | 1 | this.panels=panels; |
244 | 1 | } |
245 | ||
246 | /** | |
247 | * Constructs a JFreeChart panel capable of multiprint/save | |
248 | * from existing ChartPanel | |
249 | * | |
250 | * @param panels the list of chartpanels. | |
251 | * @param chartpanel the existing ChartPanel. | |
252 | */ | |
253 | public MultiChartPanel(List panels, ChartPanel chartpanel) | |
254 | { | |
255 | 1 | super(chartpanel.getChart()); |
256 | 1 | this.panels=panels; |
257 | 1 | } |
258 | ||
259 | /** | |
260 | * Prints the chart on a single page. | |
261 | * | |
262 | * @param g the graphics context. | |
263 | * @param pf the page format to use. | |
264 | * @param pageIndex the index of the page. If not <code>0</code>, nothing | |
265 | * gets print. | |
266 | * | |
267 | * @return The result of printing. | |
268 | */ | |
269 | public int print(Graphics g, PageFormat pf, int pageIndex) { | |
270 | ||
271 | // if panels is null, size 0 or 1, use ChartPanel's printing method | |
272 | 2 | if(panels == null || panels.size() == 0 || panels.size() == 1) { |
273 | 2 | return super.print(g, pf, pageIndex); |
274 | } | |
275 | ||
276 | 0 | if (pageIndex != 0) { |
277 | 0 | return NO_SUCH_PAGE; |
278 | } | |
279 | ||
280 | 0 | Graphics2D g2 = (Graphics2D) g; |
281 | 0 | double x = pf.getImageableX(); |
282 | 0 | double y = pf.getImageableY(); |
283 | 0 | double w = pf.getImageableWidth(); |
284 | 0 | double h = pf.getImageableHeight(); |
285 | ||
286 | //number of columns in "printing grid" (a changing method could be added) | |
287 | 0 | int saveColumns = 2; |
288 | //number of rows in "printing grid" (number of charts / saveColumns, rounded up) | |
289 | int saveRows; | |
290 | ||
291 | //special case bubblegum fix, so images won't scale "wrong" | |
292 | 0 | if (panels.size()==2 && pf.getOrientation() == PageFormat.PORTRAIT) { |
293 | 0 | saveRows = 2; |
294 | 0 | } |
295 | else { | |
296 | 0 | saveRows = new BigDecimal((double)panels.size()).divide( |
297 | new BigDecimal((double)saveColumns), BigDecimal.ROUND_UP).intValue(); | |
298 | } | |
299 | ||
300 | 0 | Iterator i = panels.iterator(); |
301 | 0 | while(i.hasNext()) { |
302 | 0 | for(int j = 0; j < saveColumns; ++j) { |
303 | 0 | if (i.hasNext()) { |
304 | 0 | ((MultiChartPanel)i.next()).getChart().draw( |
305 | g2, new Rectangle2D.Double(x, y, w/saveColumns, h/saveRows), | |
306 | this.getAnchor(), null | |
307 | ); | |
308 | 0 | x = x + w/saveColumns; |
309 | } | |
310 | } | |
311 | 0 | x = pf.getImageableX(); |
312 | 0 | y = y + h/saveRows; |
313 | ||
314 | 0 | } |
315 | 0 | return PAGE_EXISTS; |
316 | } | |
317 | ||
318 | /** | |
319 | * Opens a file chooser and gives the user an opportunity to save the | |
320 | * charts in same file in PNG format. | |
321 | * | |
322 | * @throws IOException if there is an I/O error. | |
323 | */ | |
324 | public void doSaveAs() throws IOException { | |
325 | ||
326 | //if panels is null, use ChartPanel's saving method | |
327 | 0 | if (panels == null || panels.size() == 0 || panels.size() == 1) { |
328 | 0 | super.doSaveAs(); |
329 | 0 | } |
330 | ||
331 | else { | |
332 | 0 | JFileChooser fileChooser = new JFileChooser(); |
333 | 0 | ExtensionFileFilter filter = new ExtensionFileFilter( |
334 | localizationResources.getString("PNG_Image_Files"), ".png" | |
335 | ); | |
336 | 0 | fileChooser.addChoosableFileFilter(filter); |
337 | ||
338 | 0 | int option = fileChooser.showSaveDialog(this); |
339 | 0 | if (option == JFileChooser.APPROVE_OPTION) { |
340 | 0 | String filename = fileChooser.getSelectedFile().getPath(); |
341 | 0 | if (isEnforceFileExtensions()) { |
342 | 0 | if (!filename.endsWith(".png")) { |
343 | 0 | filename = filename + ".png"; |
344 | } | |
345 | } | |
346 | 0 | ArrayList charts = new ArrayList(); |
347 | 0 | Iterator i = panels.iterator(); |
348 | 0 | while(i.hasNext()) { |
349 | 0 | MultiChartPanel panel = (MultiChartPanel)i.next(); |
350 | 0 | JFreeChart chart = panel.getChart(); |
351 | 0 | charts.add(chart); |
352 | 0 | } |
353 | 0 | MultiChartUtilities.saveChartsAsPNG( |
354 | new File(filename), charts, getWidth(), getHeight() | |
355 | ); | |
356 | } | |
357 | } | |
358 | 0 | } |
359 | } |