de.jaret.util.ui.table.editor
Class EnumComboEditor

java.lang.Object
  de.jaret.util.ui.table.editor.CellEditorBase
      de.jaret.util.ui.table.editor.EnumComboEditor

All Implemented Interfaces:

ICellEditor, java.util.EventListener, org.eclipse.swt.events.FocusListener, org.eclipse.swt.internal.SWTEventListener

public class EnumComboEditor
extends CellEditorBase
implements ICellEditor, org.eclipse.swt.events.FocusListener

Editor for a field with an enum as type. Naturally uses a combobox.

Version:

$Id: EnumComboEditor.java 394 2007-05-01 10:51:25Z olk $

Author:

Peter Kliem

Field Summary

protected org.eclipse.swt.widgets.Combo	_combo combobox widget.
protected java.lang.Object[]	_items list of selectable items in the combobox.
protected java.lang.Object	_oldVal old value.

Fields inherited from class de.jaret.util.ui.table.editor.CellEditorBase

_column, _row, _table

Constructor Summary

EnumComboEditor()

Method Summary

void	dispose() Dispose whatever resouces have been allocated.
void	focusGained(org.eclipse.swt.events.FocusEvent arg0) Do nothing on gaining focus.
void	focusLost(org.eclipse.swt.events.FocusEvent arg0) Stop editing and store the value.
org.eclipse.swt.widgets.Control	getEditorControl(JaretTable table, IRow row, IColumn column, char typedKey) Provide the Control for editing the value at row/column.
int	getPreferredHeight() If the renderer *wishes* to be sized not the height of the cell, this method may be used to announce the preferred height of the control.
void	stopEditing(boolean storeInput) End editing.

Methods inherited from class de.jaret.util.ui.table.editor.CellEditorBase

handleClick

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.jaret.util.ui.table.editor.ICellEditor

handleClick

Field Detail

_combo

protected org.eclipse.swt.widgets.Combo _combo

combobox widget.

_oldVal

protected java.lang.Object _oldVal

old value.

_items

protected java.lang.Object[] _items

list of selectable items in the combobox.

Constructor Detail

EnumComboEditor

public EnumComboEditor()

Method Detail

getEditorControl

public org.eclipse.swt.widgets.Control getEditorControl(JaretTable table,
                                                        IRow row,
                                                        IColumn column,
                                                        char typedKey)

Provide the Control for editing the value at row/column. Important: make shure _not_ to create a new control with every call!

This method may return null indicating that the editor will not supply a control.

Base implementation storing the table and row/col information.

Specified by:

getEditorControl in interface ICellEditor

Overrides:

getEditorControl in class CellEditorBase

Parameters:

table - the table requesting the editor

row - row

column - column

typedKey - the character typed when invoking the editor (may be 0 if the editor was invoked without typing any key)

Returns:

configured Control (parent has to be the table)

stopEditing

public void stopEditing(boolean storeInput)

End editing.

Specified by:

stopEditing in interface ICellEditor

Parameters:

storeInput - if true the editor shall save the current input.

dispose

public void dispose()

Dispose whatever resouces have been allocated.

Specified by:

dispose in interface ICellEditor

Overrides:

dispose in class CellEditorBase

focusGained

public void focusGained(org.eclipse.swt.events.FocusEvent arg0)

Do nothing on gaining focus.

Specified by:

focusGained in interface org.eclipse.swt.events.FocusListener

focusLost

public void focusLost(org.eclipse.swt.events.FocusEvent arg0)

Stop editing and store the value.

Specified by:

focusLost in interface org.eclipse.swt.events.FocusListener

getPreferredHeight

public int getPreferredHeight()

If the renderer *wishes* to be sized not the height of the cell, this method may be used to announce the preferred height of the control. A value of -1 signals no preference. default will always return -1.

Specified by:

getPreferredHeight in interface ICellEditor

Overrides:

getPreferredHeight in class CellEditorBase

Returns:

preferred height or -1 for no preference.