org.gwt.advanced.client.datamodel

Class SuggestionBoxDataModel

java.lang.Object

org.gwt.advanced.client.datamodel.ComboBoxDataModel

org.gwt.advanced.client.datamodel.SuggestionBoxDataModel

All Implemented Interfaces:

ListDataModel, SuggestionBoxListener

public class SuggestionBoxDataModel
extends ComboBoxDataModel
implements SuggestionBoxListener

This is an implementation designed especially for the suggestion box widget.

The content of this widget depends on the expression value. Expression interpretation may be different and must be defined in the ListCallbackHandler implementation.

Since:

1.2.0

Author:

Sergey Skladchikov

Constructor Summary

Constructors

Constructor and Description
SuggestionBoxDataModel(ListCallbackHandler handler) Constructs the class and sets the expression value to null.
SuggestionBoxDataModel(String expression, ListCallbackHandler handler) Constructs the class and performs filling via the handler.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	fill() This method fills the list with the values.
String	getExpression() Getter for property 'expression'.
protected ListCallbackHandler	getHandler() Getter for property 'handler'.
void	onChange(String expression) This method is invoked every time a user change the value in the suggestion box.
void	setExpression(String expression) Setter for property 'expression'.
void	setHandler(ListCallbackHandler handler) Sets the callback handler that must fill the model with the values on demand.

Methods inherited from class org.gwt.advanced.client.datamodel.ComboBoxDataModel

add, add, add, addInternally, addListModelListener, clear, fireEvent, get, get, getCount, getItemIds, getItems, getSelected, getSelectedId, getSelectedIndex, getValidIndex, isEmpty, isIndexValid, remove, remove, removeInternally, removeListModelListener, setSelectedId, setSelectedIndex

Methods inherited from class java.lang.Object

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

Constructor Detail

SuggestionBoxDataModel

public SuggestionBoxDataModel(ListCallbackHandler handler)

Constructs the class and sets the expression value to null.

Parameters:

handler - is a handler to fill data.

SuggestionBoxDataModel

public SuggestionBoxDataModel(String expression,
                      ListCallbackHandler handler)

Constructs the class and performs filling via the handler.

Parameters:

expression - an expression to be used for filtering.

handler - a callback handler to fill the list.

Method Detail

getExpression

public String getExpression()

Getter for property 'expression'.

Returns:

Value for property 'expression'.

setExpression

public void setExpression(String expression)

Setter for property 'expression'.

Parameters:

expression - Value to set for property 'expression'.

onChange

public void onChange(String expression)

This method is invoked every time a user change the value in the suggestion box.

Specified by:

onChange in interface SuggestionBoxListener

Parameters:

expression - is an expression.

setHandler

public void setHandler(ListCallbackHandler handler)

Sets the callback handler that must fill the model with the values on demand.

Parameters:

handler - is a handler to set.

getHandler

protected ListCallbackHandler getHandler()

Getter for property 'handler'.

Returns:

Value for property 'handler'.

fill

protected void fill()

This method fills the list with the values.