org.w3c.jigadm.editors
Interface ResourceHelperInterface

All Known Implementing Classes:
ResourceHelper

public abstract interface ResourceHelperInterface


Method Summary
 void addResourceListener(ResourceListener el)
          Add a Listener to this helper.
 void clearChanged()
          set the current resource to be the original resource (ie: the hasChanged() method must return false now.
 void commitChanges()
          commit the changes (if any)
 RemoteResource getValue()
          get the Resource edited with this helper
 boolean hasChanged()
          tells if the edited resource in the helper has changed
 void initialize(RemoteResourceWrapper rw, java.util.Properties p)
          initialize the helper
 void removeResourceListener(ResourceListener el)
          Remove the listener from this helper.
 void resetChanges()
          undo the not-yet-commited changes
 

Method Detail

hasChanged

public boolean hasChanged()
tells if the edited resource in the helper has changed
Returns:
true if the values changed. to get more informations about what has changed, you can use the three methods below.

clearChanged

public void clearChanged()
set the current resource to be the original resource (ie: the hasChanged() method must return false now. to do a "fine tuned" reset, use one of the three following method.

getValue

public RemoteResource getValue()
get the Resource edited with this helper
Returns:
a RemoteResource

addResourceListener

public void addResourceListener(ResourceListener el)
Add a Listener to this helper.
Parameters:
el - a listener

removeResourceListener

public void removeResourceListener(ResourceListener el)
Remove the listener from this helper.
Parameters:
el - the listener to be removed.

commitChanges

public void commitChanges()
                   throws RemoteAccessException
commit the changes (if any)
Throws:
RemoteAccessException - if a remote access error occurs.

resetChanges

public void resetChanges()
undo the not-yet-commited changes

initialize

public void initialize(RemoteResourceWrapper rw,
                       java.util.Properties p)
                throws RemoteAccessException
initialize the helper
Parameters:
r - the ResourceWrapper containing the Resource edited with this helper
p - some Properties, used to fine-tune the helper
Throws:
RemoteAccessException - if a remote access error occurs.