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The Folder
interface extends Element
by adding methods for managing child Element
s contained by the Folder
.
Method Summary | |
boolean |
add(Element child) Appends a child Element to the end of the Folder . |
boolean |
canAdd(Element element) Other classes can call this method to determine whether the given Element can be added to the Folder . |
boolean |
canRemove(Element element) Other classes can call this method to determine whether the specified Element can be removed from this Folder . |
boolean |
containsChild(Element child) Returns true if the folder contains the specified child Element ; returns false otherwise. |
boolean |
remove(Element child) Removes the specified child Element . |
void |
removeAll() Removes all children from the folder. |
int |
size() Returns the current number of children in the folder. |
Methods inherited from interface oracle.ide.model.Element |
getAttributes, getChildren, mayHaveChildren |
Methods inherited from interface oracle.ide.model.Data |
getData |
Methods inherited from interface oracle.ide.model.Displayable |
getIcon, getLongLabel, getShortLabel, getToolTipText, toString |
Method Detail |
public boolean canAdd(Element element)
Element
can be added to the Folder
.element
- the Element
that is about to be added to this Folder
.true
if the specified Element
can be added to this Folder
; false
if the Element
cannot be added.public boolean add(Element child)
Element
to the end of the Folder
.public boolean canRemove(Element element)
Element
can be removed from this Folder
.element
- the Element
that is about to be removed from this Folder
.true
if the specified Element
can be removed from this Folder
; false
if the Element
cannot be removed.public boolean remove(Element child)
Element
. If the child object appears more than once, only the first instance is removed.child
- The child object to remove.public boolean containsChild(Element child)
true
if the folder contains the specified child Element
; returns false
otherwise.public int size()
public void removeAll()
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