Source Code Cross Referenced for LogPanel.java in  » Database-Client » squirrel-sql-2.6.5a » net » sourceforge » squirrel_sql » client » gui » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database Client » squirrel sql 2.6.5a » net.sourceforge.squirrel_sql.client.gui 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        package net.sourceforge.squirrel_sql.client.gui;
002:
003:        /*
004:         * This library is free software; you can redistribute it and/or
005:         * modify it under the terms of the GNU Lesser General Public
006:         * License as published by the Free Software Foundation; either
007:         * version 2.1 of the License, or (at your option) any later version.
008:         *
009:         * This library is distributed in the hope that it will be useful,
010:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
011:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
012:         * Lesser General Public License for more details.
013:         *
014:         * You should have received a copy of the GNU Lesser General Public
015:         * License along with this library; if not, write to the Free Software
016:         * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
017:         */
018:        import net.sourceforge.squirrel_sql.client.IApplication;
019:        import net.sourceforge.squirrel_sql.client.mainframe.action.ViewLogsCommand;
020:        import net.sourceforge.squirrel_sql.client.resources.SquirrelResources;
021:        import net.sourceforge.squirrel_sql.fw.gui.ErrorDialog;
022:        import net.sourceforge.squirrel_sql.fw.util.log.ILoggerListener;
023:        import net.sourceforge.squirrel_sql.fw.util.log.LoggerController;
024:        import net.sourceforge.squirrel_sql.fw.util.StringManager;
025:        import net.sourceforge.squirrel_sql.fw.util.StringManagerFactory;
026:
027:        import javax.swing.*;
028:        import java.awt.*;
029:        import java.awt.event.ActionEvent;
030:        import java.awt.event.ActionListener;
031:        import java.awt.event.MouseAdapter;
032:        import java.awt.event.MouseEvent;
033:        import java.util.Vector;
034:        import java.util.Date;
035:        import java.text.DateFormat;
036:
037:        /**
038:         * This is the Status bar's Log panel.
039:         * It recieves all logs through the ILoggerListener interface.
040:         * It updates its status all 200 millis, see _displayLastLogTimer.
041:         *
042:         * The traffic lights color of the last log is displayed on the JButton _btnLastLog.
043:         * If no new log arrives the last log color is displayed for 5000 millis and is the replaced
044:         * by the "white" icon, see _whiteIconTimer. This allows the user to have an eye an the logs
045:         * without much disturbance.
046:         *
047:         */
048:        public class LogPanel extends JPanel {
049:            private static final long serialVersionUID = -2886311809367056785L;
050:
051:            private static final StringManager s_stringMgr = StringManagerFactory
052:                    .getStringManager(MemoryPanel.class);
053:
054:            transient private SquirrelResources _resources;
055:
056:            private static final int LOG_TYPE_INFO = 0;
057:            private static final int LOG_TYPE_WARN = 1;
058:            private static final int LOG_TYPE_ERROR = 2;
059:
060:            private JButton _btnLastLog = new JButton();
061:            private JLabel _lblLogInfo = new JLabel();
062:            private JButton _btnViewLogs = new JButton();
063:
064:            private Timer _displayLastLogTimer;
065:            private Timer _whiteIconTimer;
066:
067:            private final Vector<LogData> _logsDuringDisplayDelay = new Vector<LogData>();
068:            transient private LogData _curlogToDisplay;
069:            transient private IApplication _app;
070:
071:            transient private LogStatistics _statistics = new LogStatistics();
072:
073:            public LogPanel(IApplication app) {
074:                _app = app;
075:                _resources = _app.getResources();
076:                createGui();
077:
078:                setIconForCurLogType();
079:
080:                _whiteIconTimer = new Timer(5000, new ActionListener() {
081:                    public void actionPerformed(ActionEvent e) {
082:                        _btnLastLog
083:                                .setIcon(_resources
084:                                        .getIcon(SquirrelResources.IImageNames.WHITE_GEM));
085:                    }
086:                });
087:
088:                _whiteIconTimer.setRepeats(false);
089:
090:                int displayDelay = 200;
091:                _displayLastLogTimer = new Timer(displayDelay,
092:                        new ActionListener() {
093:                            public void actionPerformed(ActionEvent e) {
094:                                updatePanel();
095:                            }
096:                        });
097:
098:                _displayLastLogTimer.setRepeats(false);
099:
100:                LoggerController.addLoggerListener(new ILoggerListener() {
101:                    public void info(Class<?> source, Object message) {
102:                        _statistics.setInfoCount(_statistics._infoCount + 1);
103:                        addLog(LOG_TYPE_INFO, source.getName(), message, null);
104:                    }
105:
106:                    public void info(Class<?> source, Object message,
107:                            Throwable th) {
108:                        _statistics.setInfoCount(_statistics._infoCount + 1);
109:                        addLog(LOG_TYPE_INFO, source.getName(), message, th);
110:                    }
111:
112:                    public void warn(Class<?> source, Object message) {
113:                        _statistics.setWarnCount(_statistics._warnCount + 1);
114:                        addLog(LOG_TYPE_WARN, source.getName(), message, null);
115:                    }
116:
117:                    public void warn(Class<?> source, Object message,
118:                            Throwable th) {
119:                        _statistics.setWarnCount(_statistics._warnCount + 1);
120:                        addLog(LOG_TYPE_WARN, source.getName(), message, th);
121:                    }
122:
123:                    public void error(Class<?> source, Object message) {
124:                        _statistics.setErrorCount(_statistics._errorCount + 1);
125:                        addLog(
126:                                LOG_TYPE_ERROR,
127:                                source.getName(),
128:                                message,
129:                                message instanceof  Throwable ? (Throwable) message
130:                                        : null);
131:                    }
132:
133:                    public void error(Class<?> source, Object message,
134:                            Throwable th) {
135:                        _statistics.setErrorCount(_statistics._errorCount + 1);
136:                        addLog(LOG_TYPE_ERROR, source.getName(), message, th);
137:                    }
138:                });
139:
140:                _btnLastLog.addMouseListener(new MouseAdapter() {
141:                    public void mouseEntered(MouseEvent e) {
142:                        setIconForCurLogType();
143:                    }
144:
145:                    public void mouseExited(MouseEvent e) {
146:                        if (false == _whiteIconTimer.isRunning()) {
147:                            _btnLastLog
148:                                    .setIcon(_resources
149:                                            .getIcon(SquirrelResources.IImageNames.WHITE_GEM));
150:                        }
151:                    }
152:                });
153:
154:                _btnLastLog.addActionListener(new ActionListener() {
155:                    public void actionPerformed(ActionEvent e) {
156:                        showLogInDialog();
157:                    }
158:                });
159:
160:                _btnViewLogs.addActionListener(new ActionListener() {
161:                    public void actionPerformed(ActionEvent e) {
162:                        new ViewLogsCommand(_app).execute();
163:                    }
164:                });
165:
166:            }
167:
168:            private void createGui() {
169:                setLayout(new BorderLayout(5, 0));
170:
171:                ImageIcon viewLogsIcon = _resources
172:                        .getIcon(SquirrelResources.IImageNames.LOGS);
173:                _btnViewLogs.setIcon(viewLogsIcon);
174:
175:                Dimension prefButtonSize = new Dimension(viewLogsIcon
176:                        .getIconWidth(), viewLogsIcon.getIconHeight());
177:                _btnLastLog.setPreferredSize(prefButtonSize);
178:                _btnViewLogs.setPreferredSize(prefButtonSize);
179:
180:                _btnLastLog.setBorder(null);
181:                _btnViewLogs.setBorder(null);
182:
183:                JPanel pnlButtons = new JPanel(new GridLayout(1, 2, 3, 0));
184:                pnlButtons.add(_btnLastLog);
185:                pnlButtons.add(_btnViewLogs);
186:
187:                add(pnlButtons, BorderLayout.EAST);
188:                add(_lblLogInfo, BorderLayout.CENTER);
189:
190:                // i18n[LogPanel.viewLastLog=Press to view last log entry]
191:                _btnLastLog.setToolTipText(s_stringMgr
192:                        .getString("LogPanel.viewLastLog"));
193:
194:                // i18n[LogPanel.openLogs=Press to open logs]
195:                _btnViewLogs.setToolTipText(s_stringMgr
196:                        .getString("LogPanel.openLogs"));
197:            }
198:
199:            private void showLogInDialog() {
200:                if (null != _curlogToDisplay) {
201:                    Object[] params = new Object[] { _curlogToDisplay.source,
202:                            _curlogToDisplay.logTime, _curlogToDisplay.message };
203:
204:                    // i18n[LogPanel.logMsg=Logged by {0} at {1}:\n\n {2}]
205:                    String extMsg = s_stringMgr.getString("LogPanel.logMsg",
206:                            params);
207:                    ErrorDialog errorDialog = new ErrorDialog(_app
208:                            .getMainFrame(), extMsg, _curlogToDisplay.throwable);
209:
210:                    String title;
211:
212:                    switch (_curlogToDisplay.logType) {
213:                    case LOG_TYPE_INFO:
214:                        // i18n[LogPanel.titleInfo=Last log entry (Entry type: Info)]
215:                        title = s_stringMgr.getString("LogPanel.titleInfo");
216:                        break;
217:                    case LOG_TYPE_WARN:
218:                        // i18n[LogPanel.titleWarn=Last log entry (Entry type: Warning)]
219:                        title = s_stringMgr.getString("LogPanel.titleWarn");
220:                        break;
221:                    case LOG_TYPE_ERROR:
222:                        // i18n[LogPanel.titleError=Last log entry (Entry type: ERROR)]
223:                        title = s_stringMgr.getString("LogPanel.titleError");
224:                        break;
225:                    default:
226:                        // i18n[LogPanel.titleUnknown=Last log entry (Entry type: Unknown)]
227:                        title = s_stringMgr.getString("LogPanel.titleUnknown");
228:                        break;
229:                    }
230:
231:                    errorDialog.setTitle(title);
232:                    errorDialog.setVisible(true);
233:                }
234:            }
235:
236:            private void addLog(int logType, String source, Object message,
237:                    Throwable t) {
238:                LogData log = new LogData();
239:                log.logType = logType;
240:                log.source = source;
241:                log.message = message;
242:                log.throwable = t;
243:
244:                synchronized (_logsDuringDisplayDelay) {
245:                    _logsDuringDisplayDelay.add(log);
246:                }
247:
248:                _displayLastLogTimer.restart();
249:            }
250:
251:            private void updatePanel() {
252:                LogData[] logs;
253:                synchronized (_logsDuringDisplayDelay) {
254:                    logs = _logsDuringDisplayDelay
255:                            .toArray(new LogData[_logsDuringDisplayDelay.size()]);
256:                    _logsDuringDisplayDelay.clear();
257:                }
258:
259:                _curlogToDisplay = null;
260:                for (int i = 0; i < logs.length; i++) {
261:                    if (null == _curlogToDisplay) {
262:                        _curlogToDisplay = logs[i];
263:                    } else if (_curlogToDisplay.logType <= logs[i].logType) {
264:                        _curlogToDisplay = logs[i];
265:                    }
266:                }
267:
268:                _lblLogInfo.setText(_statistics.toString());
269:
270:                setIconForCurLogType();
271:
272:                _whiteIconTimer.restart();
273:            }
274:
275:            private void setIconForCurLogType() {
276:                if (null == _curlogToDisplay) {
277:                    _btnLastLog.setIcon(_resources
278:                            .getIcon(SquirrelResources.IImageNames.WHITE_GEM));
279:                    return;
280:                }
281:
282:                switch (_curlogToDisplay.logType) {
283:                case LOG_TYPE_INFO:
284:                    _btnLastLog.setIcon(_resources
285:                            .getIcon(SquirrelResources.IImageNames.GREEN_GEM));
286:                    break;
287:                case LOG_TYPE_WARN:
288:                    _btnLastLog.setIcon(_resources
289:                            .getIcon(SquirrelResources.IImageNames.YELLOW_GEM));
290:                    break;
291:                case LOG_TYPE_ERROR:
292:                    _btnLastLog.setIcon(_resources
293:                            .getIcon(SquirrelResources.IImageNames.RED_GEM));
294:                    break;
295:                }
296:            }
297:
298:            private static class LogData {
299:                int logType = -1;
300:                Object message = null;
301:                Throwable throwable = null;
302:                String source;
303:                String logTime;
304:
305:                public LogData() {
306:                    logTime = DateFormat.getInstance().format(new Date());
307:                }
308:
309:            }
310:
311:            private static class LogStatistics {
312:                private int _errorCount;
313:                private int _warnCount;
314:                private int _infoCount;
315:
316:                private String _toString = "";
317:
318:                public LogStatistics() {
319:                    updateToString();
320:                }
321:
322:                public String toString() {
323:                    return _toString;
324:                }
325:
326:                void setErrorCount(int errorCount) {
327:                    this ._errorCount = errorCount;
328:                    updateToString();
329:                }
330:
331:                private void updateToString() {
332:                    Object[] params = new Integer[] {
333:                            Integer.valueOf(_errorCount),
334:                            Integer.valueOf(_warnCount),
335:                            Integer.valueOf(_infoCount), };
336:                    // i18n[LogPanel.logInfoLabel=Logs: Errors {0}, Warnings {1}, Infos {2}]
337:                    _toString = s_stringMgr.getString("LogPanel.logInfoLabel",
338:                            params);
339:                }
340:
341:                void setWarnCount(int warnCount) {
342:                    this ._warnCount = warnCount;
343:                    updateToString();
344:                }
345:
346:                void setInfoCount(int infoCount) {
347:                    this._infoCount = infoCount;
348:                    updateToString();
349:                }
350:            }
351:
352:        }
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