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## weka.gui
Class CheckBoxList

    java.lang.Object
      java.awt.Component
          java.awt.Container
              javax.swing.JComponent
                  javax.swing.JList
                      weka.gui.CheckBoxList

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

    public class CheckBoxList

extends javax.swing.JList

An extended JList that contains CheckBoxes. If necessary a CheckBoxListItem wrapper is added around the displayed object in any of the Model methods, e.g., addElement. For methods returning objects the opposite takes place, the wrapper is removed and only the payload object is returned.

Version:
  $Revision: 7059 $
Author:
  fracpete (fracpete at waikato dot ac dot nz)
See Also:
  Serialized Form

Nested Class Summary
`class` | `CheckBoxList.CheckBoxListModel` A specialized model.
`class` | `CheckBoxList.CheckBoxListRenderer` A specialized CellRenderer for the CheckBoxList

Nested classes/interfaces inherited from class javax.swing.JList
`javax.swing.JList.DropLocation`

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.JList
`HORIZONTAL_WRAP, VERTICAL, VERTICAL_WRAP`

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
`CheckBoxList()` initializes the list with an empty CheckBoxListModel
`CheckBoxList(CheckBoxList.CheckBoxListModel model)` initializes the list with the given CheckBoxListModel

Method Summary
`boolean` | `getChecked(int index)` returns the checked state of the element at the given index
`int[]` | `getCheckedIndices()` returns an array with the indices of all checked items
`void` | `setChecked(int index, boolean checked)` sets the checked state of the element at the given index
`void` | `setListData(java.lang.Object[] listData)` Constructs a CheckBoxListModel from an array of objects and then applies setModel to it.
`void` | `setListData(java.util.Vector listData)` Constructs a CheckBoxListModel from a Vector and then applies setModel to it.
`void` | `setModel(javax.swing.ListModel model)` sets the model - must be an instance of CheckBoxListModel

Methods inherited from class javax.swing.JList
`addListSelectionListener, addSelectionInterval, clearSelection, ensureIndexIsVisible, getAccessibleContext, getAnchorSelectionIndex, getCellBounds, getCellRenderer, getDragEnabled, getDropLocation, getDropMode, getFirstVisibleIndex, getFixedCellHeight, getFixedCellWidth, getLastVisibleIndex, getLayoutOrientation, getLeadSelectionIndex, getListSelectionListeners, getMaxSelectionIndex, getMinSelectionIndex, getModel, getNextMatch, getPreferredScrollableViewportSize, getPrototypeCellValue, getScrollableBlockIncrement, getScrollableTracksViewportHeight, getScrollableTracksViewportWidth, getScrollableUnitIncrement, getSelectedIndex, getSelectedIndices, getSelectedValue, getSelectedValues, getSelectionBackground, getSelectionForeground, getSelectionMode, getSelectionModel, getToolTipText, getUI, getUIClassID, getValueIsAdjusting, getVisibleRowCount, indexToLocation, isSelectedIndex, isSelectionEmpty, locationToIndex, removeListSelectionListener, removeSelectionInterval, setCellRenderer, setDragEnabled, setDropMode, setFixedCellHeight, setFixedCellWidth, setLayoutOrientation, setPrototypeCellValue, setSelectedIndex, setSelectedIndices, setSelectedValue, setSelectionBackground, setSelectionForeground, setSelectionInterval, setSelectionMode, setSelectionModel, setUI, setValueIsAdjusting, setVisibleRowCount, 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, 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

### CheckBoxList

    public CheckBoxList()

  initializes the list with an empty CheckBoxListModel

### CheckBoxList

    public CheckBoxList(CheckBoxList.CheckBoxListModel model)

  initializes the list with the given CheckBoxListModel

  Parameters:
    `model` - the model to initialize with

Method Detail

### setModel

    public void setModel(javax.swing.ListModel model)

  sets the model - must be an instance of CheckBoxListModel

  Overrides:
    `setModel` in class `javax.swing.JList`
  Parameters:
    `model` - the model to use
  Throws:
    `java.lang.IllegalArgumentException` - if the model is not an instance of CheckBoxListModel
  See Also:
    `CheckBoxList.CheckBoxListModel`

### setListData

    public void setListData(java.lang.Object[] listData)

  Constructs a CheckBoxListModel from an array of objects and then applies setModel to it.

  Overrides:
    `setListData` in class `javax.swing.JList`
  Parameters:
    `listData` - the data to use

### setListData

    public void setListData(java.util.Vector listData)

  Constructs a CheckBoxListModel from a Vector and then applies setModel to it.

  Overrides:
    `setListData` in class `javax.swing.JList`

### getChecked

    public boolean getChecked(int index)

  returns the checked state of the element at the given index

  Parameters:
    `index` - the index of the element to return the checked state for
  Returns:
    the checked state of the specifed element

### setChecked

    public void setChecked(int index,
                           boolean checked)

  sets the checked state of the element at the given index

  Parameters:
    `index` - the index of the element to set the checked state for
    `checked` - the new checked state

### getCheckedIndices

    public int[] getCheckedIndices()

  returns an array with the indices of all checked items

  Returns:
    the indices of all items that are currently checked

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