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: 14497 $
  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

    Constructors
    Constructor and Description
    `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

    All Methods Static Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `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` | `setLoggingFontSize(int size)` Set the size of the font used in the log message area.
    `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, hide, 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, 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, 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, transferFocusBackward, 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

    - #### setLoggingFontSize

          public void setLoggingFontSize(int size)

      Set the size of the font used in the log message area. <= 0 will use the default for JTextArea.
      Parameters:
        `size` - the size of the font to use in the log message area

    - #### 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