org.gjt.btools.gui.component
Class CheckBoxRenderer

java.lang.Object
  |
  +--javax.swing.AbstractCellEditor
        |
        +--org.gjt.btools.gui.component.CheckBoxRenderer

All Implemented Interfaces:

javax.swing.CellEditor, java.util.EventListener, java.awt.event.ItemListener, java.io.Serializable, javax.swing.table.TableCellEditor, javax.swing.table.TableCellRenderer

public class CheckBoxRenderer

extends javax.swing.AbstractCellEditor

implements javax.swing.table.TableCellRenderer, javax.swing.table.TableCellEditor, java.awt.event.ItemListener

A checkbox that is used as a boolean table cell. This class can be used as both a cell renderer and a cell editor if desired. The corresponding value in the table must be of type Boolean.

See Also:

Serialized Form

Field Summary

Fields inherited from class javax.swing.AbstractCellEditor

changeEvent, listenerList

Constructor Summary

CheckBoxRenderer()
Creates a new checkbox renderer/editor.

Method Summary

void	cancelCellEditing() Cancels editing the table cell and disregards any changes.
java.lang.Object	getCellEditorValue() Returns the value contained in the cell editor.
java.awt.Component	getTableCellEditorComponent(javax.swing.JTable table, java.lang.Object value, boolean isSelected, int row, int column) Returns the component that does the editing.
java.awt.Component	getTableCellRendererComponent(javax.swing.JTable table, java.lang.Object value, boolean isSelected, boolean hasFocus, int row, int column) Returns the component that does the rendering.
void	itemStateChanged(java.awt.event.ItemEvent e) Called when the checkbox has changed state.
boolean	shouldSelectCell(java.util.EventObject e) Prepares the component for editing as requested by the given event.
boolean	stopCellEditing() Stops editing the table cell and stores any changes.

Methods inherited from class javax.swing.AbstractCellEditor

addCellEditorListener, fireEditingCanceled, fireEditingStopped, getCellEditorListeners, isCellEditable, removeCellEditorListener

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface javax.swing.CellEditor

addCellEditorListener, isCellEditable, removeCellEditorListener

Constructor Detail

CheckBoxRenderer

public CheckBoxRenderer()

Creates a new checkbox renderer/editor.

Method Detail

itemStateChanged

public void itemStateChanged(java.awt.event.ItemEvent e)

Called when the checkbox has changed state.

Specified by:

itemStateChanged in interface java.awt.event.ItemListener

Parameters:

e - the state changing event.

getTableCellRendererComponent

public java.awt.Component getTableCellRendererComponent(javax.swing.JTable table,
                                                        java.lang.Object value,
                                                        boolean isSelected,
                                                        boolean hasFocus,
                                                        int row,
                                                        int column)

Returns the component that does the rendering.

Specified by:

getTableCellRendererComponent in interface javax.swing.table.TableCellRenderer

Parameters:

table - the table in which a cell is being rendered.

value - the value of the table cell being rendered.

isSelected - whether or not the table cell is currently selected.

hasFocus - whether or not the table cell currently has the focus.

row - the row of the table cell being rendered.

column - the column of the table cell being rendered.

Returns:

the component that does the rendering.

getTableCellEditorComponent

public java.awt.Component getTableCellEditorComponent(javax.swing.JTable table,
                                                      java.lang.Object value,
                                                      boolean isSelected,
                                                      int row,
                                                      int column)

Returns the component that does the editing.

Specified by:

getTableCellEditorComponent in interface javax.swing.table.TableCellEditor

Parameters:

table - the table in which a cell is being edited.

value - the value of the table cell being edited.

isSelected - whether or not the table cell is currently selected.

row - the row of the table cell being edited.

column - the column of the table cell being edited.

Returns:

the component that does the editing.

getCellEditorValue

public java.lang.Object getCellEditorValue()

Returns the value contained in the cell editor.

Specified by:

getCellEditorValue in interface javax.swing.CellEditor

Returns:

the value contained in the cell editor.

shouldSelectCell

public boolean shouldSelectCell(java.util.EventObject e)

Prepares the component for editing as requested by the given event.

Specified by:

shouldSelectCell in interface javax.swing.CellEditor

Overrides:

shouldSelectCell in class javax.swing.AbstractCellEditor

Parameters:

e - the event that caused editing to begin.

Returns:

true if and only if the table cell being edited should be selected.

stopCellEditing

public boolean stopCellEditing()

Stops editing the table cell and stores any changes.

Specified by:

stopCellEditing in interface javax.swing.CellEditor

Overrides:

stopCellEditing in class javax.swing.AbstractCellEditor

Returns:

true if and only if editing was successfully stopped.

cancelCellEditing

public void cancelCellEditing()

Cancels editing the table cell and disregards any changes.

Specified by:

cancelCellEditing in interface javax.swing.CellEditor

Overrides:

cancelCellEditing in class javax.swing.AbstractCellEditor