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refs #22

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Code improvement, more comments and added a ToolTip to the label.
This commit is contained in:
Fabian Becker 2012-05-30 14:02:16 +00:00
parent 4462dd6e3d
commit 37589f8d4f
1 changed files with 24 additions and 14 deletions
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38
src/eva2/gui/LoggingLevelLabel.java
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@ -13,24 +13,26 @@ import java.util.logging.Logger;
import javax.swing.JLabel;
import javax.swing.JMenuItem;
import javax.swing.JPopupMenu;
import javax.swing.JSeparator;
import javax.swing.event.PopupMenuEvent;
import javax.swing.event.PopupMenuListener;
/**
* This is a JLabel that shows the current logging level
* depending on the Logger provided. It creates a popup
* menu on left-click to change the logging level. Logging
* levels are as specified by "java.util.logging.Level.*"
*
* @author becker
*/
public final class LoggingLevelLabel extends JLabel {
private JPopupMenu menu;
private String[] options;
private String selected;
private Logger logger;
public LoggingLevelLabel(Logger logger) {
public LoggingLevelLabel(final Logger logger) {
options = new String[]{"Info", "Warning", "Severe", "Fine", "Finer", "Finest", "All"};
this.logger = logger;
setToolTipText("Click to change current logging level");
createPopupMenu();
updateText();
}
@ -61,13 +63,18 @@ public final class LoggingLevelLabel extends JLabel {
}
});
JMenuItem menuItem;
ActionListener menuAction = new MenuActionListener();
for (String option : options) {
JMenuItem menuItem = new JMenuItem(option);
menuItem.addActionListener(new MenuActionListener());
menuItem = new JMenuItem(option);
menuItem.addActionListener(menuAction);
menu.add(menuItem);
}
}
/**
* Updates the visible text on the label.
*/
private void updateText() {
/* Get the current logging Level */
Level lvl = logger.getLevel();
@ -79,6 +86,11 @@ public final class LoggingLevelLabel extends JLabel {
setText("<html><b>Level</b>: " + lvl.getName());
}
/**
* Sets the level of the logger to a new level.
*
* @param level The new level for the logger
*/
private void setLoggerLevel(Level level) {
logger.setLevel(level);
logger.log(Level.INFO, "Logging Level changed to {0}", level.getName());
@ -93,17 +105,15 @@ public final class LoggingLevelLabel extends JLabel {
public void actionPerformed(final ActionEvent ev) {
JMenuItem menuItem = (JMenuItem) ev.getSource();
String levelName = menuItem.getText();
try {
Level level = Level.parse(levelName.toUpperCase());
LoggingLevelLabel.this.setLoggerLevel(level);
} catch (IllegalArgumentException ex) {
logger.log(Level.INFO, "Could not determine new logging level!", ex);
}
LoggingLevelLabel.this.updateText();
}
}
}
}