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

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Eclipse Platform
Release 3.5

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org.eclipse.ui.presentations
Class PresentationUtil


java.lang.Object
  
org.eclipse.ui.presentations.PresentationUtil

public class PresentationUtil
extends Object
extends Object

Contains various utility methods for Presentation authors

Since:: 3.0

Constructor Summary

PresentationUtil ()


Method Summary

static void addDragListener ( Control control, Listener externalDragListener)
          Adds a drag listener to the given control.

static void removeDragListener ( Control control, Listener externalDragListener)
          Removes a drag listener that was previously attached using addDragListener

Methods inherited from class java.lang. Object

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

Constructor Detail

PresentationUtil

public PresentationUtil()

Method Detail

addDragListener

public static void addDragListener(
Control control,
                                   
Listener externalDragListener)

Adds a drag listener to the given control. The behavior is very similar to control.addListener(SWT.DragDetect, dragListener), however the listener attached by this method is less sensitive. The drag event is only fired once the user moves the cursor more than HYSTERESIS pixels.

This is useful for registering a listener that will trigger an editor or view drag, since an overly sensitive drag listener can cause users to accidentally drag views when trying to select a tab.

Currently, only one such drag listener can be registered at a time.

Parameters:: control - the control containing the drag listener; externalDragListener - the drag listener to attach

removeDragListener

public static void removeDragListener(
Control control,
                                      
Listener externalDragListener)

Removes a drag listener that was previously attached using addDragListener

Parameters:: control - the control containing the drag listener; externalDragListener - the drag listener to remove