uk.ac.kcl.cch.jb.pliny.views.utils
Class ResourceExplorerRoot

java.lang.Object
  extended byuk.ac.kcl.cch.jb.pliny.views.utils.ResourceExplorerItemBase
      extended byuk.ac.kcl.cch.jb.pliny.views.utils.ResourceExplorerRoot
All Implemented Interfaces:
EventListener, IResourceExplorerItem, PropertyChangeListener

public class ResourceExplorerRoot
extends ResourceExplorerItemBase

the root object for the Resource Explorer's tree display. Since the first level of the display is ObjectType items, it is the job of this item to track the creation and deletion of ObjectTypes, and request an update of its children list, and of the viewer, as necessary.

Author:
John Bradley

Field Summary
 
Fields inherited from class uk.ac.kcl.cch.jb.pliny.views.utils.ResourceExplorerItemBase
myChildren, myView
 
Constructor Summary
ResourceExplorerRoot(IResourceTreeView myView)
           
 
Method Summary
 boolean canModify()
          return true if this item's name can be edited within the Resource Explorer.
 Iterator createListIterator()
           
 void dispose()
          performs data cleanup.
 org.eclipse.swt.graphics.Image getIcon()
          returns the Image to be used as the Icon displayed beside the item in the Resource Explorer tree.
 IResourceExplorerItem getParent()
          returns the parent item of this item in the Resource Explorer display tree.
 String getText()
          returns text to be used as the textual label for the tree item display.
 IResourceExplorerItem makeChild(Object item)
           
 void propertyChange(PropertyChangeEvent arg0)
           
 void setText(String name)
          changes text to be displayed as the label to the given text.
 
Methods inherited from class uk.ac.kcl.cch.jb.pliny.views.utils.ResourceExplorerItemBase
getAssociatedObject, getBaseObject, getChildren, getChildrenList, getMyView, getNumberChildren, getPageNumber, hasChildren, setBaseObject, updateMyChildren
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ResourceExplorerRoot

public ResourceExplorerRoot(IResourceTreeView myView)
Method Detail

dispose

public void dispose()
Description copied from interface: IResourceExplorerItem
performs data cleanup. This will be called then the item is no longer needed.

Specified by:
dispose in interface IResourceExplorerItem
Overrides:
dispose in class ResourceExplorerItemBase

propertyChange

public void propertyChange(PropertyChangeEvent arg0)
Specified by:
propertyChange in interface PropertyChangeListener
Overrides:
propertyChange in class ResourceExplorerItemBase

getText

public String getText()
Description copied from interface: IResourceExplorerItem
returns text to be used as the textual label for the tree item display.

Specified by:
getText in interface IResourceExplorerItem
Specified by:
getText in class ResourceExplorerItemBase

setText

public void setText(String name)
Description copied from interface: IResourceExplorerItem
changes text to be displayed as the label to the given text. This should result in changes in the backing Pliny model as well.

Specified by:
setText in interface IResourceExplorerItem
Specified by:
setText in class ResourceExplorerItemBase

canModify

public boolean canModify()
Description copied from interface: IResourceExplorerItem
return true if this item's name can be edited within the Resource Explorer.

Specified by:
canModify in interface IResourceExplorerItem
Specified by:
canModify in class ResourceExplorerItemBase

getIcon

public org.eclipse.swt.graphics.Image getIcon()
Description copied from interface: IResourceExplorerItem
returns the Image to be used as the Icon displayed beside the item in the Resource Explorer tree. The image must be disposed of by this object -- it will not be disposed by the caller.

Specified by:
getIcon in interface IResourceExplorerItem
Specified by:
getIcon in class ResourceExplorerItemBase

getParent

public IResourceExplorerItem getParent()
Description copied from interface: IResourceExplorerItem
returns the parent item of this item in the Resource Explorer display tree.

Specified by:
getParent in interface IResourceExplorerItem
Specified by:
getParent in class ResourceExplorerItemBase

createListIterator

public Iterator createListIterator()
Specified by:
createListIterator in class ResourceExplorerItemBase

makeChild

public IResourceExplorerItem makeChild(Object item)
Specified by:
makeChild in class ResourceExplorerItemBase