Package org.zkoss.zul.event

Class ListDataEvent

java.lang.Object

org.zkoss.zul.event.ListDataEvent

All Implemented Interfaces:

Serializable

public class ListDataEvent
extends Object
implements Serializable

Defines an event that encapsulates changes to a list. Note: Since 10.0.0, it should be serializable

Author:

tomyeh

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final int	CONTENTS_CHANGED	Identifies one or more changes in the lists contents.
static final int	DISABLE_CLIENT_UPDATE	Identified the state that Component's client update to be disabled
static final int	ENABLE_CLIENT_UPDATE	Identified the state that Component's client update to be enabled
static final int	INTERVAL_ADDED	Identifies the addition of one or more contiguous items to the list.
static final int	INTERVAL_REMOVED	Identifies the removal of one or more contiguous items from the list.
static final int	MULTIPLE_CHANGED	Identified the state of Selectable.isMultiple() is changed.
static final int	SELECTION_CHANGED	Identifies the selection of the lists has changed.
static final int	STRUCTURE_CHANGED	Identifies the structure of the lists has changed.

Constructor Summary

Constructors

Constructor	Description
ListDataEvent(ListModel model, int type, int index0, int index1)	Constructor.

Method Summary

Modifier and Type	Method	Description
int	getIndex0()	Returns the lower index of the change range.
int	getIndex1()	Returns the upper index of the change range.
ListModel	getModel()	Returns the list model that fires this event.
int	getType()	Returns the event type.
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

CONTENTS_CHANGED

public static final int CONTENTS_CHANGED

Identifies one or more changes in the lists contents.

See Also:

• Constant Field Values

INTERVAL_ADDED

public static final int INTERVAL_ADDED

Identifies the addition of one or more contiguous items to the list.

See Also:

• Constant Field Values

INTERVAL_REMOVED

public static final int INTERVAL_REMOVED

Identifies the removal of one or more contiguous items from the list.

See Also:

• Constant Field Values

STRUCTURE_CHANGED

public static final int STRUCTURE_CHANGED

Identifies the structure of the lists has changed. @since 5.0.7

See Also:

• Constant Field Values

SELECTION_CHANGED

public static final int SELECTION_CHANGED

Identifies the selection of the lists has changed. Notice that the objects being selected can be found by calling Selectable.getSelection(). Moreover, getIndex0() and getIndex1() are both meaningless.

Since:

6.0.0

See Also:

• Constant Field Values

MULTIPLE_CHANGED

public static final int MULTIPLE_CHANGED

Identified the state of Selectable.isMultiple() is changed.

Since:

6.0.0

See Also:

• Constant Field Values

DISABLE_CLIENT_UPDATE

public static final int DISABLE_CLIENT_UPDATE

Identified the state that Component's client update to be disabled

Since:

8.0.0

See Also:

• Constant Field Values

ENABLE_CLIENT_UPDATE

public static final int ENABLE_CLIENT_UPDATE

Identified the state that Component's client update to be enabled

Since:

8.0.0

See Also:

• Constant Field Values

Constructor Details

ListDataEvent

public ListDataEvent(ListModel model,
 int type,
 int index0,
 int index1)

Constructor.

Parameters:

type - one of CONTENTS_CHANGED, INTERVAL_ADDED, INTERVAL_REMOVED.

index0 - the lower index of the change range. For simple element, index0 is the same as index1. -1 means the first element (the same as 0).

index1 - the upper index of the change range. -1 means the last element.

Method Details

getModel

public ListModel getModel()

Returns the list model that fires this event.

getType

public int getType()

Returns the event type. One of CONTENTS_CHANGED, INTERVAL_ADDED, INTERVAL_REMOVED.

getIndex0

public int getIndex0()

Returns the lower index of the change range. For a single element, this value is the same as that returned by getIndex1().

getIndex1

public int getIndex1()

Returns the upper index of the change range. For a single element, this value is the same as that returned by getIndex0().

toString

public String toString()

Overrides:

toString in class Object