Follow Techotopia on Twitter

On-line Guides
All Guides
eBook Store
iOS / Android
Linux for Beginners
Office Productivity
Linux Installation
Linux Security
Linux Utilities
Linux Virtualization
Linux Kernel
System/Network Admin
Programming
Scripting Languages
Development Tools
Web Development
GUI Toolkits/Desktop
Databases
Mail Systems
openSolaris
Eclipse Documentation
Techotopia.com
Virtuatopia.com

How To Guides
Virtualization
General System Admin
Linux Security
Linux Filesystems
Web Servers
Graphics & Desktop
PC Hardware
Windows
Problem Solutions
Privacy Policy

  




 

 

Runtime

org.eclipse.gmf.runtime.common.ui.services.dnd.ide.drop
Class ResourceDropTargetListener

java.lang.Object
  extended by 

org.eclipse.swt.dnd.DropTargetAdapter
      extended by 

org.eclipse.jface.viewers.ViewerDropAdapter
          extended by 

org.eclipse.ui.part.PluginDropAdapter
              extended by 

org.eclipse.ui.views.navigator.NavigatorDropAdapter
                  extended by 
org.eclipse.gmf.runtime.common.ui.services.dnd.ide.drop.ResourceDropTargetListener
All Implemented Interfaces:
java.util.EventListener, IDropTargetListener, DropTargetListener, org.eclipse.swt.internal.SWTEventListener, IOverwriteQuery

public class ResourceDropTargetListener
extends NavigatorDropAdapter
implements IDropTargetListener

Concrete class that implements the IDropTargetListener. This class handles dropping resource elements.


Field Summary
 
Fields inherited from class org.eclipse.ui.part. PluginDropAdapter
ATT_CLASS
 
Fields inherited from class org.eclipse.jface.viewers. ViewerDropAdapter
LOCATION_AFTER, LOCATION_BEFORE, LOCATION_NONE, LOCATION_ON
 
Fields inherited from interface org.eclipse.ui.dialogs. IOverwriteQuery
ALL, CANCEL, NO, NO_ALL, YES
 
Constructor Summary
ResourceDropTargetListener ( StructuredViewer viewer)
          Constructs a new drop listener for the given viewer.
 
Method Summary
 boolean canSupport ( IDropTargetContext context, IDropTargetEvent currentEvent, ITransferAgent currentAgent)
          Returns a boolean indicating whether the listener can support drop operations on the current target.
 void dropAccept ( DropTargetEvent event)
           
protected  java.lang.Object getCurrentTarget ()
           
  ICommand getExecutableContext ( DropTargetEvent event)
          Returns a command for dropping the event data on the drop target.
 java.lang.String[] getSupportingTransferIds ()
          Returns the supporting transfer agent ids.
 void setFeedback ( DropTargetEvent event)
          Provides the listener an opportunity to set the feedback when hovering over a target.
 boolean validateDrop (java.lang.Object target, int dragOperation, TransferData transferType)
           
 
Methods inherited from class org.eclipse.ui.views.navigator. NavigatorDropAdapter
dragEnter, performDrop, queryOverwrite
 
Methods inherited from class org.eclipse.ui.part. PluginDropAdapter
drop, getCurrentTransfer, getPluginAdapter
 
Methods inherited from class org.eclipse.jface.viewers. ViewerDropAdapter
clearState, determineLocation, determineTarget, dragOperationChanged, dragOver, getBounds, getCurrentEvent, getCurrentLocation, getCurrentOperation, getFeedbackEnabled, getSelectedObject, getViewer, handleException, overrideOperation, setExpandEnabled, setFeedbackEnabled, setScrollEnabled, setScrollExpandEnabled, setSelectionFeedbackEnabled
 
Methods inherited from class org.eclipse.swt.dnd. DropTargetAdapter
dragLeave
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.eclipse.swt.dnd. DropTargetListener
dragEnter, dragLeave, dragOperationChanged, dragOver, drop
 

Constructor Detail

ResourceDropTargetListener

public ResourceDropTargetListener(
StructuredViewer viewer)
Constructs a new drop listener for the given viewer.

Parameters:
viewer - the viewer
Method Detail

getExecutableContext

public 
ICommand getExecutableContext(
DropTargetEvent event)
Description copied from interface: IDropTargetListener
Returns a command for dropping the event data on the drop target. The event passed in corresponds to the drop event. The listener can get the current target from the context.

Specified by:
getExecutableContext in interface IDropTargetListener
Parameters:
event - the event associated with the drop event
Returns:
Returns a command for dropping the event data on the drop target.

canSupport

public boolean canSupport(
IDropTargetContext context,
                          
IDropTargetEvent currentEvent,
                          
ITransferAgent currentAgent)
Description copied from interface: IDropTargetListener
Returns a boolean indicating whether the listener can support drop operations on the current target. The target context, current event and current transfer agent information is passed to the listener. This method is invoked whenever the target changes.

Specified by:
canSupport in interface IDropTargetListener
Parameters:
context - The drop action context
currentEvent - The current drop event
currentAgent - the current transfer agent
Returns:
Returns true or false

setFeedback

public void setFeedback(
DropTargetEvent event)
Description copied from interface: IDropTargetListener
Provides the listener an opportunity to set the feedback when hovering over a target. The listener can decide whether drag under effect is enabled for the current target.

Specified by:
setFeedback in interface IDropTargetListener
Parameters:
event - The drop target event

getSupportingTransferIds

public java.lang.String[] getSupportingTransferIds()
Description copied from interface: IDropTargetListener
Returns the supporting transfer agent ids.

Specified by:
getSupportingTransferIds in interface IDropTargetListener
Returns:
return the supporting transfer agent ids

dropAccept

public void dropAccept(
DropTargetEvent event)
Specified by:
dropAccept in interface DropTargetListener
Overrides:
dropAccept in class ViewerDropAdapter

validateDrop

public boolean validateDrop(java.lang.Object target,
                            int dragOperation,
                            
TransferData transferType)
Overrides:
validateDrop in class NavigatorDropAdapter

getCurrentTarget

protected java.lang.Object getCurrentTarget()
Overrides:
getCurrentTarget in class ViewerDropAdapter

Runtime

Guidelines for using Eclipse APIs.

Copyright (c) IBM Corp., Borland Software Corp., and others 2005,2006. All rights reserved.


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire