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## weka.gui
Class LogPanel

    java.lang.Object
      java.awt.Component
          java.awt.Container
              javax.swing.JComponent
                  javax.swing.JPanel
                      weka.gui.LogPanel

All Implemented Interfaces:
  java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable, javax.accessibility.Accessible, Logger, TaskLogger

    public class LogPanel

extends javax.swing.JPanel
implements Logger, TaskLogger

This panel allows log and status messages to be posted. Log messages appear in a scrollable text area, and status messages appear as one-line transient messages.

Version:
  $Revision: 4789 $
Author:
  Len Trigg (trigg@cs.waikato.ac.nz)
See Also:
  Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class javax.swing.JComponent
`javax.swing.JComponent.AccessibleJComponent`

Nested classes/interfaces inherited from class java.awt.Component
`java.awt.Component.BaselineResizeBehavior`

Field Summary

Fields inherited from class javax.swing.JComponent
`TOOL_TIP_TEXT_KEY, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW`

Fields inherited from class java.awt.Component
`BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT`

Fields inherited from interface java.awt.image.ImageObserver
`ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH`

Constructor Summary
`LogPanel()` Creates the log panel with no task monitor and the log always visible.
`LogPanel(WekaTaskMonitor tm)` Creates the log panel with a task monitor, where the log is hidden.
`LogPanel(WekaTaskMonitor tm, boolean logHidden)` Creates the log panel, possibly with task monitor, where the log is optionally hidden.
`LogPanel(WekaTaskMonitor tm, boolean logHidden, boolean statusHidden, boolean titledBorder)` Creates the log panel, possibly with task monitor, where the either the log is optionally hidden or the status (having both hidden is not allowed).

Method Summary
`void` | `logMessage(java.lang.String message)` Sends the supplied message to the log area.
`static void` | `main(java.lang.String[] args)` Tests out the log panel from the command line.
`void` | `statusMessage(java.lang.String message)` Sends the supplied message to the status line.
`void` | `taskFinished()` Record a task ending
`void` | `taskStarted()` Record the starting of a new task

Methods inherited from class javax.swing.JPanel
`getAccessibleContext, getUI, getUIClassID, setUI, updateUI`

Methods inherited from class javax.swing.JComponent
`addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintImmediately, paintImmediately, print, printAll, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update`

Methods inherited from class java.awt.Container
`add, add, add, add, add, addContainerListener, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, transferFocusBackward, transferFocusDownCycle, validate`

Methods inherited from class java.awt.Component
`action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, contains, createImage, createImage, createVolatileImage, createVolatileImage, dispatchEvent, enable, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusUpCycle`

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Constructor Detail

### LogPanel

    public LogPanel()

  Creates the log panel with no task monitor and the log always visible.

### LogPanel

    public LogPanel(WekaTaskMonitor tm)

  Creates the log panel with a task monitor, where the log is hidden.

  Parameters:
    `tm` - the task monitor, or null for none

### LogPanel

    public LogPanel(WekaTaskMonitor tm,
                    boolean logHidden)

  Creates the log panel, possibly with task monitor, where the log is optionally hidden.

  Parameters:
    `tm` - the task monitor, or null for none
    `logHidden` - true if the log should be hidden and acessible via a button, or false if the log should always be visible.

### LogPanel

    public LogPanel(WekaTaskMonitor tm,
                    boolean logHidden,
                    boolean statusHidden,
                    boolean titledBorder)

  Creates the log panel, possibly with task monitor, where the either the log is optionally hidden or the status (having both hidden is not allowed).

  Parameters:
    `tm` - the task monitor, or null for none
    `logHidden` - true if the log should be hidden and acessible via a button, or false if the log should always be visible.
    `statusHidden` - true if the status bar should be hidden (i.e.
    `titledBorder` - true if the log should have a title you only want the log part).

Method Detail

### taskStarted

    public void taskStarted()

  Record the starting of a new task

  Specified by:
    `taskStarted` in interface `TaskLogger`

### taskFinished

    public void taskFinished()

  Record a task ending

  Specified by:
    `taskFinished` in interface `TaskLogger`

### logMessage

    public void logMessage(java.lang.String message)

  Sends the supplied message to the log area. The current timestamp will be prepended.

  Specified by:
    `logMessage` in interface `Logger`
  Parameters:
    `message` - a value of type 'String'

### statusMessage

    public void statusMessage(java.lang.String message)

  Sends the supplied message to the status line.

  Specified by:
    `statusMessage` in interface `Logger`
  Parameters:
    `message` - the status message

### main

    public static void main(java.lang.String[] args)

  Tests out the log panel from the command line.

  Parameters:
    `args` - ignored

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