org.apache.cayenne.modeler.util.combo

Class CustomTypeComboBoxEditor

java.lang.Object

javax.swing.plaf.basic.BasicComboBoxEditor

org.apache.cayenne.modeler.util.combo.CustomTypeComboBoxEditor

All Implemented Interfaces:

FocusListener, EventListener, ComboBoxEditor

public class CustomTypeComboBoxEditor
extends BasicComboBoxEditor

CustomTypeComboBoxEditor is used as an editor of a combobox, when custom type (such as Entity) is to be used. BasicComboBoxEditor cannot be used, because it converts String values to other types incorrectly (in fact, only classes with valueOf(String) methods are supported).

Nested Class Summary

Nested classes/interfaces inherited from class javax.swing.plaf.basic.BasicComboBoxEditor

BasicComboBoxEditor.UIResource

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	allowsUserValues Whether non-present items are allowed
protected JComboBox	combo The combobox being edited
protected Object	localOldValue 'oldValue' property is private somewhy, so we make our local copy

Fields inherited from class javax.swing.plaf.basic.BasicComboBoxEditor

editor

Constructor Summary

Constructors

Constructor and Description
CustomTypeComboBoxEditor(JComboBox combo, boolean allowsUserValues) Creates new editor

Method Summary

Methods

Modifier and Type	Method and Description
protected Object	convert(String value, Class classTo) Converts String value to specified type
Object	getItem()
void	setItem(Object anObject) Sets the item that should be edited.

Methods inherited from class javax.swing.plaf.basic.BasicComboBoxEditor

addActionListener, createEditorComponent, focusGained, focusLost, getEditorComponent, removeActionListener, selectAll

Methods inherited from class java.lang.Object

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

Field Detail

localOldValue

protected Object localOldValue

'oldValue' property is private somewhy, so we make our local copy

combo

protected final JComboBox combo

The combobox being edited

allowsUserValues

protected final boolean allowsUserValues

Whether non-present items are allowed

Constructor Detail

CustomTypeComboBoxEditor

public CustomTypeComboBoxEditor(JComboBox combo,
                        boolean allowsUserValues)

Creates new editor

Parameters:

combo - ComboBox being edited

Method Detail

setItem

public void setItem(Object anObject)

Sets the item that should be edited.

Specified by:

setItem in interface ComboBoxEditor

Overrides:

setItem in class BasicComboBoxEditor

Parameters:

anObject - the displayed value of the editor

getItem

public Object getItem()

Specified by:

getItem in interface ComboBoxEditor

Overrides:

getItem in class BasicComboBoxEditor

Returns:

edited item

convert

protected Object convert(String value,
             Class classTo)

Converts String value to specified type

Parameters:

value - String value of textfield

classTo - type of result item

Returns:

value of classTo type, or null if conversion is impossible