Package 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:
ActionListener, MouseListener, ImageObserver, MenuContainer, Serializable, EventListener, Accessible, ChangeListener, Undoable
public class ArffPanel extends JPanel implements ActionListener, ChangeListener, MouseListener, Undoable
A Panel representing an ARFF-Table and the associated filename.
Version:
$Revision: 14907 $
Author:
FracPete (fracpete at waikato dot ac dot nz)
See Also:

  • Field Details

    • TAB_INSTANCES

      public static final String TAB_INSTANCES
      the name of the tab for instances that were set directly
      See Also:

  • Constructor Details

    • ArffPanel

      public ArffPanel()
      initializes the panel with no data

    • ArffPanel

      public ArffPanel(String filename, AbstractFileLoader... loaders)
      initializes the panel and loads the specified file
      Parameters:
      filename - the file to load
      loaders - optional varargs loader to use

    • ArffPanel

      public ArffPanel(Instances data)
      initializes the panel with the given data
      Parameters:
      data - the data to use

  • Method Details

    • getTable

      public ArffTable getTable()
      returns the table component
      Returns:
      the table

    • getTitle

      public String getTitle()
      returns the title for the Tab, i.e. the filename
      Returns:
      the title for the tab

    • getFilename

      public String getFilename()
      returns the filename
      Returns:
      the filename

    • setFilename

      public void setFilename(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:

    • getAttributes

      public Vector<String> 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

    • setShowAttributeIndex

      public void setShowAttributeIndex(boolean value)
      Sets whether to display the attribute index in the header.
      Parameters:
      value - if true then the attribute indices are displayed in the table header

    • getShowAttributeIndex

      public boolean getShowAttributeIndex()
      Returns whether to display the attribute index in the header.
      Returns:
      true if the attribute indices are displayed in the table header

    • 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

    • setAttributeWeight

      public void setAttributeWeight()
      sets the weight for the current attribute

    • deleteInstance

      public void deleteInstance()
      deletes the currently selected instance

    • addInstance

      public void addInstance()
      Add an instance at the currently selected index. If no instance is selected then adds a new instance at the end of the dataset.

    • setInstanceWeight

      public void setInstanceWeight()
      Allows setting the weight of the instance at the selected row.

    • addInstanceAtEnd

      public void addInstanceAtEnd()
      Add an instance at the end of the dataset

    • 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(ActionEvent e)
      invoked when an action occurs
      Specified by:
      actionPerformed in interface ActionListener
      Parameters:
      e - the action event

    • mouseClicked

      public void mouseClicked(MouseEvent e)
      Invoked when a mouse button has been pressed and released on a component
      Specified by:
      mouseClicked in interface MouseListener
      Parameters:
      e - the mouse event

    • mouseEntered

      public void mouseEntered(MouseEvent e)
      Invoked when the mouse enters a component.
      Specified by:
      mouseEntered in interface MouseListener
      Parameters:
      e - the mouse event

    • mouseExited

      public void mouseExited(MouseEvent e)
      Invoked when the mouse exits a component
      Specified by:
      mouseExited in interface MouseListener
      Parameters:
      e - the mouse event

    • mousePressed

      public void mousePressed(MouseEvent e)
      Invoked when a mouse button has been pressed on a component
      Specified by:
      mousePressed in interface MouseListener
      Parameters:
      e - the mouse event

    • mouseReleased

      public void mouseReleased(MouseEvent e)
      Invoked when a mouse button has been released on a component.
      Specified by:
      mouseReleased in interface MouseListener
      Parameters:
      e - the mouse event

    • stateChanged

      public void stateChanged(ChangeEvent e)
      Invoked when the target of the listener has changed its state.
      Specified by:
      stateChanged in interface ChangeListener
      Parameters:
      e - the change event

    • notifyListener

      public void notifyListener()
      notfies all listener of the change

    • addChangeListener

      public void addChangeListener(ChangeListener l)
      Adds a ChangeListener to the panel
      Parameters:
      l - the listener to add

    • removeChangeListener

      public void removeChangeListener(ChangeListener l)
      Removes a ChangeListener from the panel
      Parameters:
      l - the listener to remove