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1
23 package org.enhydra.kelp.common.swing;
24
25 import org.enhydra.kelp.common.Constants;
27 import org.enhydra.kelp.common.event.WriteEvent;
28 import org.enhydra.kelp.common.event.WriteListener;
29 import org.enhydra.kelp.common.node.OtterProject;
30
31 import org.enhydra.tool.common.PathHandle;
33
34 import javax.swing.*;
36 import javax.swing.text.BadLocationException  ;
37 import java.awt.*;
38 import java.awt.event.*;
39 import java.beans.Beans ;
40 import java.io.File ;
41 import java.io.FileWriter ;
42 import java.lang.ref.WeakReference ;
43 import java.util.ResourceBundle ;
44
45 public class OutputPanel extends JPanel implements WriteListener {
47
48 public static ResourceBundle res =
50 ResourceBundle.getBundle("org.enhydra.kelp.common.Res"); private JScrollPane scrollOutput;
52 private JTextArea textAreaOutput;
53 private BorderLayout layoutMain;
54 private WeakReference projectRef;
55 private int waitCount = 0;
56
57
61 public OutputPanel() {
62 try {
63 jbInit();
64 } catch (Exception e) {
65 e.printStackTrace();
66 }
67 }
68
69 public void clearAll() {
70 clearOutput();
71 if (projectRef != null) {
72 projectRef.clear();
73 projectRef = null;
74 }
75 removeAll();
76 }
77
78
84 public void onWrite(WriteEvent event) {
85 String out = event.getString();
86
87 if (event.getType() == WriteEvent.CLEAR) {
88 clearOutput();
89 } else {
90 if (File.separatorChar == '\\') {
91
92 if (out.indexOf(":\\") > 0) {
94 out = out.replace('\\', '/');
95 }
96 }
97 addOutput(out);
98 }
99 }
100
101 public void clearOutput() {
102 OutputClear clearRun = null;
103
104 clearRun = new OutputClear(textAreaOutput, scrollOutput);
105 try {
106 if (SwingUtilities.isEventDispatchThread()) {
107 clearRun.run();
108 } else {
109 SwingUtilities.invokeAndWait(clearRun);
110 }
111 } catch (Exception e) {
112 e.printStackTrace();
113 }
114 }
115
116 public void scrollToBottom() {
117 OutputScroll runSwing = null;
118
119 runSwing = new OutputScroll(scrollOutput);
120 try {
121 if (SwingUtilities.isEventDispatchThread()) {
122 runSwing.run();
123 } else {
124 SwingUtilities.invokeAndWait(runSwing);
125 }
126 } catch (Exception e) {
127 e.printStackTrace();
128 }
129 try {
130 Thread.sleep(500);
131 } catch (InterruptedException e) {
132
133 }
135 }
136
137 public OtterProject getProject() {
138 OtterProject project = null;
139
140 if (projectRef != null) {
141 project = (OtterProject) projectRef.get();
142 }
143 return project;
144 }
145
146 public void setProject(OtterProject project) {
147 projectRef = new WeakReference (project);
148 }
149
150 public int getRows() {
151 return textAreaOutput.getRows();
152 }
153
154 public void setRows(int i) {
155 textAreaOutput.setRows(i);
156 }
157
158 private void addOutput(final String output) {
162 OutputAdd adder = null;
163
164 adder = new OutputAdd(textAreaOutput, scrollOutput, output);
165 try {
166 if (SwingUtilities.isEventDispatchThread()) {
167 adder.run();
168 } else {
169 waitCount++;
170 if (waitCount == 10) {
171 waitCount = 0;
172 SwingUtilities.invokeAndWait(adder);
173 } else {
174 SwingUtilities.invokeLater(adder);
175 }
176 }
177 } catch (Exception e) {
178 e.printStackTrace(System.err);
179 }
180 projectLog(output);
181 }
182
183 private void projectLog(final String output) {
184 PathHandle log = null;
185
186 if (getProject() != null) {
187 log =
188 PathHandle.createPathHandle(getProject().getOutputFilename());
189 if (log.hasExtension("txt") && log.getFile().canWrite()) {
190 try {
191 FileWriter writer = null;
192
193 writer = new FileWriter (log.getPath(), true);
194 writer.write(output); writer.close();
196 } catch (java.io.IOException e) {
197 e.printStackTrace(System.err);
198 }
199 }
200 }
201 }
202
203
209 private void jbInit() throws Exception {
210 textAreaOutput =
211 (JTextArea) Beans.instantiate(getClass().getClassLoader(),
212 JTextArea.class.getName());
213 textAreaOutput.setEditable(false);
214 textAreaOutput.setRows(15);
215 scrollOutput = new JScrollPane(textAreaOutput);
216 layoutMain =
217 (BorderLayout) Beans.instantiate(getClass().getClassLoader(),
218 BorderLayout.class.getName());
219 this.setLayout(layoutMain);
220 this.add(scrollOutput, BorderLayout.CENTER);
221 }
222
223 private class OutputAdd implements Runnable {
225 private JTextArea textArea = null;
226 private JScrollPane scroll = null;
227 private String out = null;
228
229 protected OutputAdd(JTextArea ta, JScrollPane sc, String o) {
230 textArea = ta;
231 scroll = sc;
232 out = o;
233 }
234
235 synchronized public void run() {
236 int start = 0;
237 int end = 0;
238
239 if (textArea.getLineCount() > 2000) {
240 try {
241 start = textArea.getLineStartOffset(0);
242 end = textArea.getLineEndOffset(0);
243 } catch (BadLocationException e) {
244 start = 0;
245 end = 0;
246 }
247 textArea.replaceRange(null, start, end);
248 }
249 textArea.append(out);
250 scroll.getVerticalScrollBar().setValue(scroll.getVerticalScrollBar().getMaximum());
251 textArea.repaint();
252 repaint();
253 }
254
255 }
256
257 private class OutputClear implements Runnable {
259 private JTextArea textArea = null;
260 private JScrollPane scroll = null;
261
262 protected OutputClear(JTextArea ta, JScrollPane sc) {
263 textArea = ta;
264 scroll = sc;
265 }
266
267 synchronized public void run() {
268 textArea.setText(new String ());
269 scroll.getVerticalScrollBar().setValue(scroll.getVerticalScrollBar().getMaximum());
270 textArea.repaint();
271 repaint();
272 }
273
274 }
275
276 private class OutputScroll implements Runnable {
278 private JScrollPane scroll = null;
279
280 protected OutputScroll(JScrollPane sc) {
281 scroll = sc;
282 }
283
284 synchronized public void run() {
285 scroll.getVerticalScrollBar().setValue(scroll.getVerticalScrollBar().getMaximum());
286 }
287
288 }
289 }
290 |
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