Eclipse Plug-in Developer Guide (Galileo) - SelectionEvent (Eclipse Platform API Specification)

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Eclipse Platform
Release 3.5

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org.eclipse.swt.events
Class SelectionEvent


java.lang.Object
  

java.util.EventObject
      org.eclipse.swt.internal.SWTEventObject
          

org.eclipse.swt.events.TypedEvent
              
org.eclipse.swt.events.SelectionEvent

All Implemented Interfaces:: Serializable

Direct Known Subclasses:: ExpandEvent, TreeEvent

public class SelectionEvent
extends TypedEvent
extends TypedEvent

Instances of this class are sent as a result of widgets being selected.

Note: The fields that are filled in depend on the widget.

See Also:: SelectionListener, Sample code and further information, Serialized Form

Field Summary

int detail
          Extra detail information about the selection, depending on the widget.

boolean doit
          A flag indicating whether the operation should be allowed.

int height
          The height of selected area.

Widget item
          The item that was selected.

int stateMask
          The state of the keyboard modifier keys at the time the event was generated.

String text
          The text of the hyperlink that was selected.

int width
          The width of selected area.

int x
          The x location of the selected area.

int y
          The y location of selected area.

Fields inherited from class org.eclipse.swt.events. TypedEvent

data, display, time, widget

Fields inherited from class java.util. EventObject

source

Constructor Summary

SelectionEvent ( Event e)
          Constructs a new instance of this class based on the information in the given untyped event.

Method Summary

String toString ()
          Returns a string containing a concise, human-readable description of the receiver.

Methods inherited from class java.util. EventObject

getSource

Methods inherited from class java.lang. Object

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

Field Detail

item

public 
Widget item

The item that was selected.

detail

public int detail

Extra detail information about the selection, depending on the widget.

Sash

SWT.DRAG

ScrollBar and Slider

Table and Tree

SWT.CHECK

Text

SWT.CANCEL

CoolItem and ToolItem

SWT.ARROW

x

public int x

The x location of the selected area.

y

public int y

The y location of selected area.

width

public int width

The width of selected area.

height

public int height

The height of selected area.

stateMask

public int stateMask

The state of the keyboard modifier keys at the time the event was generated.

text

public 
String text

The text of the hyperlink that was selected. This will be either the text of the hyperlink or the value of its HREF, if one was specified.

Since:: 3.1
See Also:: Link.setText(String)

doit

public boolean doit

A flag indicating whether the operation should be allowed. Setting this field to false will cancel the operation, depending on the widget.

Constructor Detail

SelectionEvent

public SelectionEvent(
Event e)

Constructs a new instance of this class based on the information in the given untyped event.

Parameters:: e - the untyped event containing the information

Method Detail

toString

public 
String toString()

Returns a string containing a concise, human-readable description of the receiver.

Overrides:: toString in class TypedEvent

Returns:: a string representation of the event