javax.swing

Class DefaultCellEditor

public class DefaultCellEditor extends AbstractCellEditor implements TableCellEditor, TreeCellEditor

The default implementation of {@link TableCellEditor} and {@link TreeCellEditor}. It provides editor components for some standard object types.

Nested Class Summary
protected class	DefaultCellEditor.EditorDelegate This changeable module access the editor component in the component specific way.

Field Summary
protected int	clickCountToStart The number of the mouse clicks, required to start the editing session.
protected DefaultCellEditor.EditorDelegate	delegate The editor delegate, responsible for listening the {@link #editorComponent} events and getting/setting its value.
protected JComponent	editorComponent The Swing JComponent, performing the editing session.

Constructor Summary
	DefaultCellEditor(JTextField textfield) Create the DefaultCellEditor that uses the text field as its editor component (appropriate for the text content)
	DefaultCellEditor(JCheckBox checkbox) Constructor DefaultCellEditor that uses the checkbox (appropriate for boolean values)
	DefaultCellEditor(JComboBox combobox) Constructor DefaultCellEditor that uses the combo box.

Method Summary
void	cancelCellEditing() Forwards call to the {@link #delegate}.
Object	getCellEditorValue() Get the value, currently being displayed by the editor component.
int	getClickCountToStart() Get the number of mouse clicks, required to start the editing session.
Component	getComponent() Get the component that performs the editing sessions.
Component	getTableCellEditorComponent(JTable table, Object value, boolean isSelected, int row, int column) Get the cell editor component that will perform the editing session.
Component	getTreeCellEditorComponent(JTree tree, Object value, boolean isSelected, boolean expanded, boolean leaf, int row) Sets an initial value for the editor.
boolean	isCellEditable(EventObject event) Forwards call to the {@link #delegate}.
void	setClickCountToStart(int count) Set the number of mouse clicks, required to start the editing session.
boolean	shouldSelectCell(EventObject event) Forwards call to the {@link #delegate}.
boolean	stopCellEditing() Forwards call to the {@link #delegate}.

Field Detail

clickCountToStart

protected int clickCountToStart

The number of the mouse clicks, required to start the editing session.

delegate

protected DefaultCellEditor.EditorDelegate delegate

The editor delegate, responsible for listening the {@link #editorComponent} events and getting/setting its value.

editorComponent

protected JComponent editorComponent

The Swing JComponent, performing the editing session.

Constructor Detail

DefaultCellEditor

public DefaultCellEditor(JTextField textfield)

Create the DefaultCellEditor that uses the text field as its editor component (appropriate for the text content)

Parameters: textfield the text field as will be used as the editor component

DefaultCellEditor

public DefaultCellEditor(JCheckBox checkbox)

Constructor DefaultCellEditor that uses the checkbox (appropriate for boolean values)

Parameters: checkbox the checkbox that will be used with this editor.

DefaultCellEditor

public DefaultCellEditor(JComboBox combobox)

Constructor DefaultCellEditor that uses the combo box.

Parameters: combobox the combo box that will be used with this editor.

Method Detail

cancelCellEditing

public void cancelCellEditing()

Forwards call to the {@link #delegate}.

getCellEditorValue

public Object getCellEditorValue()

Get the value, currently being displayed by the editor component. The call is forwarded to the {@link #delegate}.

Returns: Object the value (class depends on the editor component)

getClickCountToStart

public int getClickCountToStart()

Get the number of mouse clicks, required to start the editing session.

Returns: int the number of mouse clicks, required to start the session

getComponent

public Component getComponent()

Get the component that performs the editing sessions. It is the same component that was passed in constructor.

Returns: the component, performing the editing sessions.

getTableCellEditorComponent

public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected, int row, int column)

Get the cell editor component that will perform the editing session. If returned once, the same component is also returned on the repetetive calls again (reused).

Parameters: table the table where the editing is performed value the current value of the table. It is set as the initial component value. isSelected if true, the cell is currently selected row the row of the cell being edited column the column of the cell being edited

Returns: Component the component that will perform the editing session

getTreeCellEditorComponent

public Component getTreeCellEditorComponent(JTree tree, Object value, boolean isSelected, boolean expanded, boolean leaf, int row)

Sets an initial value for the editor. This will cause the editor to stopEditing and lose any partially edited value if the editor is editing when this method is called. Returns the component that should be added to the client's Component hierarchy. Once installed in the client's hierarchy this component will then be able to draw and receive user input.

Parameters: tree - the JTree that is asking the editor to edit; this parameter can be null value - the value of the cell to be edited isSelected - true is the cell is to be renderer with selection highlighting expanded - true if the node is expanded leaf - true if the node is a leaf node row - the row index of the node being edited

Returns: Component the component for editing

isCellEditable

public boolean isCellEditable(EventObject event)

Forwards call to the {@link #delegate}.

Parameters: event forwarded to the delegate.

Returns: boolean returned by delegate

setClickCountToStart

public void setClickCountToStart(int count)

Set the number of mouse clicks, required to start the editing session.

Parameters: count the number of clicks, required to start the session

shouldSelectCell

public boolean shouldSelectCell(EventObject event)

Forwards call to the {@link #delegate}.

Parameters: event forwarded to the delegate.

Returns: boolean returned by delegate

stopCellEditing

public boolean stopCellEditing()

Forwards call to the {@link #delegate}.

Returns: boolean returned by delegate