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## weka.gui.arffviewer
Class ArffPanel

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

All Implemented Interfaces:
  java.awt.event.ActionListener, java.awt.event.MouseListener, java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable, java.util.EventListener, javax.accessibility.Accessible, javax.swing.event.ChangeListener, Undoable

    public class ArffPanel

extends javax.swing.JPanel
implements java.awt.event.ActionListener, javax.swing.event.ChangeListener, java.awt.event.MouseListener, Undoable

A Panel representing an ARFF-Table and the associated filename.

Version:
  $Revision: 4769 $
Author:
  FracPete (fracpete at waikato dot ac dot 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
`static java.lang.String` | `TAB_INSTANCES` the name of the tab for instances that were set directly

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
`ArffPanel()` initializes the panel with no data
`ArffPanel(Instances data)` initializes the panel with the given data
`ArffPanel(java.lang.String filename)` initializes the panel and loads the specified file

Method Summary
`void` | `actionPerformed(java.awt.event.ActionEvent e)` invoked when an action occurs
`void` | `addChangeListener(javax.swing.event.ChangeListener l)` Adds a ChangeListener to the panel
`void` | `addUndoPoint()` adds the current state of the instances to the undolist
`void` | `attributeAsClass()` sets the current attribute as class attribute, i.e.
`boolean` | `canUndo()` returns whether an undo is possible
`void` | `clearSearch()` clears the search, i.e.
`void` | `clearUndo()` removes the undo history
`void` | `copyContent()` copies the content of the selection to the clipboard
`void` | `deleteAttribute()` deletes the currently selected attribute
`void` | `deleteAttributes()` deletes the chosen attributes
`void` | `deleteInstance()` deletes the currently selected instance
`void` | `deleteInstances()` deletes all the currently selected instances
`java.util.Vector` | `getAttributes()` returns a list with the attributes
`java.lang.String` | `getFilename()` returns the filename
`Instances` | `getInstances()` returns the instances of the panel, if none then NULL
`ArffTable` | `getTable()` returns the table component
`java.lang.String` | `getTitle()` returns the title for the Tab, i.e.
`boolean` | `isChanged()` returns whether the content of the panel was changed
`boolean` | `isReadOnly()` returns whether the model is read-only
`boolean` | `isUndoEnabled()` returns whether undo support is enabled
`void` | `mouseClicked(java.awt.event.MouseEvent e)` Invoked when a mouse button has been pressed and released on a component
`void` | `mouseEntered(java.awt.event.MouseEvent e)` Invoked when the mouse enters a component.
`void` | `mouseExited(java.awt.event.MouseEvent e)` Invoked when the mouse exits a component
`void` | `mousePressed(java.awt.event.MouseEvent e)` Invoked when a mouse button has been pressed on a component
`void` | `mouseReleased(java.awt.event.MouseEvent e)` Invoked when a mouse button has been released on a component.
`void` | `notifyListener()` notfies all listener of the change
`void` | `removeChangeListener(javax.swing.event.ChangeListener l)` Removes a ChangeListener from the panel
`void` | `renameAttribute()` renames the current attribute
`void` | `search()` searches for a string in the cells
`void` | `setChanged(boolean changed)` can only reset the changed state to FALSE
`void` | `setFilename(java.lang.String filename)` sets the filename
`void` | `setInstances(Instances data)` displays the given instances, i.e.
`void` | `setOptimalColWidth()` calculates the optimal column width for the current column
`void` | `setOptimalColWidths()` calculates the optimal column widths for all columns
`void` | `setReadOnly(boolean value)` sets whether the model is read-only
`void` | `setUndoEnabled(boolean enabled)` sets whether undo support is enabled
`void` | `sortInstances()` sorts the instances via the currently selected column
`void` | `stateChanged(javax.swing.event.ChangeEvent e)` Invoked when the target of the listener has changed its state.
`void` | `undo()` performs an undo action

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`

Field Detail

### TAB_INSTANCES

    public static final java.lang.String TAB_INSTANCES

  the name of the tab for instances that were set directly

  See Also:
    Constant Field Values

Constructor Detail

### ArffPanel

    public ArffPanel()

  initializes the panel with no data

### ArffPanel

    public ArffPanel(java.lang.String filename)

  initializes the panel and loads the specified file

  Parameters:
    `filename` - the file to load

### ArffPanel

    public ArffPanel(Instances data)

  initializes the panel with the given data

  Parameters:
    `data` - the data to use

Method Detail

### getTable

    public ArffTable getTable()

  returns the table component

  Returns:
    the table

### getTitle

    public java.lang.String getTitle()

  returns the title for the Tab, i.e. the filename

  Returns:
    the title for the tab

### getFilename

    public java.lang.String getFilename()

  returns the filename

  Returns:
    the filename

### setFilename

    public void setFilename(java.lang.String filename)

  sets the filename

  Parameters:
    `filename` - the new filename

### getInstances

    public Instances getInstances()

  returns the instances of the panel, if none then NULL

  Returns:
    the instances of the panel

### setInstances

    public void setInstances(Instances data)

  displays the given instances, i.e. creates a tab with the title TAB_INSTANCES. if one already exists it closes it.
  if a different instances object is used here, don't forget to clear the undo-history by calling `clearUndo()`

  Parameters:
    `data` - the instances to display
  See Also:
    `TAB_INSTANCES`, `clearUndo()`

### getAttributes

    public java.util.Vector getAttributes()

  returns a list with the attributes

  Returns:
    a list of the attributes

### setChanged

    public void setChanged(boolean changed)

  can only reset the changed state to FALSE

  Parameters:
    `changed` - if false, resets the changed state

### isChanged

    public boolean isChanged()

  returns whether the content of the panel was changed

  Returns:
    true if the content was changed

### isReadOnly

    public boolean isReadOnly()

  returns whether the model is read-only

  Returns:
    true if model is read-only

### setReadOnly

    public void setReadOnly(boolean value)

  sets whether the model is read-only

  Parameters:
    `value` - if true the model is set to read-only

### isUndoEnabled

    public boolean isUndoEnabled()

  returns whether undo support is enabled

  Specified by:
    `isUndoEnabled` in interface `Undoable`
  Returns:
    true if undo is enabled

### setUndoEnabled

    public void setUndoEnabled(boolean enabled)

  sets whether undo support is enabled

  Specified by:
    `setUndoEnabled` in interface `Undoable`
  Parameters:
    `enabled` - whether to enable/disable undo support

### clearUndo

    public void clearUndo()

  removes the undo history

  Specified by:
    `clearUndo` in interface `Undoable`

### canUndo

    public boolean canUndo()

  returns whether an undo is possible

  Specified by:
    `canUndo` in interface `Undoable`
  Returns:
    true if undo is possible

### undo

    public void undo()

  performs an undo action

  Specified by:
    `undo` in interface `Undoable`

### addUndoPoint

    public void addUndoPoint()

  adds the current state of the instances to the undolist

  Specified by:
    `addUndoPoint` in interface `Undoable`

### deleteAttribute

    public void deleteAttribute()

  deletes the currently selected attribute

### deleteAttributes

    public void deleteAttributes()

  deletes the chosen attributes

### attributeAsClass

    public void attributeAsClass()

  sets the current attribute as class attribute, i.e. it moves it to the end of the attributes

### renameAttribute

    public void renameAttribute()

  renames the current attribute

### deleteInstance

    public void deleteInstance()

  deletes the currently selected instance

### deleteInstances

    public void deleteInstances()

  deletes all the currently selected instances

### sortInstances

    public void sortInstances()

  sorts the instances via the currently selected column

### copyContent

    public void copyContent()

  copies the content of the selection to the clipboard

### search

    public void search()

  searches for a string in the cells

### clearSearch

    public void clearSearch()

  clears the search, i.e. resets the found cells

### setOptimalColWidth

    public void setOptimalColWidth()

  calculates the optimal column width for the current column

### setOptimalColWidths

    public void setOptimalColWidths()

  calculates the optimal column widths for all columns

### actionPerformed

    public void actionPerformed(java.awt.event.ActionEvent e)

  invoked when an action occurs

  Specified by:
    `actionPerformed` in interface `java.awt.event.ActionListener`
  Parameters:
    `e` - the action event

### mouseClicked

    public void mouseClicked(java.awt.event.MouseEvent e)

  Invoked when a mouse button has been pressed and released on a component

  Specified by:
    `mouseClicked` in interface `java.awt.event.MouseListener`
  Parameters:
    `e` - the mouse event

### mouseEntered

    public void mouseEntered(java.awt.event.MouseEvent e)

  Invoked when the mouse enters a component.

  Specified by:
    `mouseEntered` in interface `java.awt.event.MouseListener`
  Parameters:
    `e` - the mouse event

### mouseExited

    public void mouseExited(java.awt.event.MouseEvent e)

  Invoked when the mouse exits a component

  Specified by:
    `mouseExited` in interface `java.awt.event.MouseListener`
  Parameters:
    `e` - the mouse event

### mousePressed

    public void mousePressed(java.awt.event.MouseEvent e)

  Invoked when a mouse button has been pressed on a component

  Specified by:
    `mousePressed` in interface `java.awt.event.MouseListener`
  Parameters:
    `e` - the mouse event

### mouseReleased

    public void mouseReleased(java.awt.event.MouseEvent e)

  Invoked when a mouse button has been released on a component.

  Specified by:
    `mouseReleased` in interface `java.awt.event.MouseListener`
  Parameters:
    `e` - the mouse event

### stateChanged

    public void stateChanged(javax.swing.event.ChangeEvent e)

  Invoked when the target of the listener has changed its state.

  Specified by:
    `stateChanged` in interface `javax.swing.event.ChangeListener`
  Parameters:
    `e` - the change event

### notifyListener

    public void notifyListener()

  notfies all listener of the change

### addChangeListener

    public void addChangeListener(javax.swing.event.ChangeListener l)

  Adds a ChangeListener to the panel

  Parameters:
    `l` - the listener to add

### removeChangeListener

    public void removeChangeListener(javax.swing.event.ChangeListener l)

  Removes a ChangeListener from the panel

  Parameters:
    `l` - the listener to remove

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