public interface Folder
Modifier and Type | Method and Description |
---|---|
boolean |
add(java.util.Collection children)
Appends children
Element to the end of the
Folder . |
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)
|
boolean |
remove(java.util.Collection children)
Removes the specified children
Element . |
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.
|
boolean canAdd(Element element)
Element
can be added to the Folder
.boolean add(java.util.Collection children)
Element
to the end of the
Folder
.boolean canRemove(Element element)
Element
can be removed from this
Folder
.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.boolean remove(java.util.Collection children)
Element
. If any of the children
appears more than once, only the first instance is removed.children
- The children to remove.boolean containsChild(Element child)
int size()
void removeAll()