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java.lang.Objectorg.apache.pivot.wtk.content.TreeNode
org.apache.pivot.wtk.content.TreeBranch
public class TreeBranch
Default tree branch implementation.
Nested Class Summary |
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Nested classes/interfaces inherited from interface org.apache.pivot.collections.List |
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List.ItemIterator<T>, List.ListListenerList<T> |
Nested classes/interfaces inherited from interface org.apache.pivot.collections.Sequence |
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Sequence.Tree<T> |
Constructor Summary | |
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TreeBranch()
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TreeBranch(Image icon)
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TreeBranch(Image icon,
Image expandedIcon,
String text)
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TreeBranch(Image icon,
String text)
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TreeBranch(String text)
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Method Summary | |
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int |
add(TreeNode treeNode)
Adds an item to the list. |
void |
clear()
Removes all elements from the collection. |
TreeNode |
get(int index)
Retrieves the item at the given index. |
Comparator<TreeNode> |
getComparator()
Returns the collection's sort order. |
Image |
getExpandedIcon()
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int |
getLength()
Returns the length of the list. |
ListenerList<ListListener<TreeNode>> |
getListListeners()
Returns the list listener list. |
int |
indexOf(TreeNode treeNode)
Returns the index of an item in the sequence. |
void |
insert(TreeNode treeNode,
int index)
Inserts an item into the list. |
boolean |
isEmpty()
Tests the emptiness of the collection. |
Iterator<TreeNode> |
iterator()
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Sequence<TreeNode> |
remove(int index,
int count)
Removes one or more items from the sequence. |
int |
remove(TreeNode treeNode)
Removes the first occurrence of the given item from the sequence. |
void |
setComparator(Comparator<TreeNode> comparator)
Sets the collection's sort order, re-ordering the collection's contents and ensuring that new entries preserve the sort order. |
void |
setExpandedIcon(Image expandedIcon)
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TreeNode |
update(int index,
TreeNode treeNode)
Updates the item at the given index. |
Methods inherited from class org.apache.pivot.wtk.content.TreeNode |
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getIcon, getText, setIcon, setIcon, setIcon, setText |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public TreeBranch()
public TreeBranch(Image icon)
public TreeBranch(String text)
public TreeBranch(Image icon, String text)
public TreeBranch(Image icon, Image expandedIcon, String text)
Method Detail |
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public Image getExpandedIcon()
public void setExpandedIcon(Image expandedIcon)
public int add(TreeNode treeNode)
List
add
in interface List<TreeNode>
add
in interface Sequence<TreeNode>
treeNode
- The item to be added to the sequence.
ListListener.itemInserted(List, int)
public void insert(TreeNode treeNode, int index)
List
insert
in interface List<TreeNode>
insert
in interface Sequence<TreeNode>
treeNode
- The item to be added to the list.index
- The index at which the item should be inserted. Must be a value between
0 and getLength().ListListener.itemInserted(List, int)
public TreeNode update(int index, TreeNode treeNode)
List
update
in interface List<TreeNode>
update
in interface Sequence<TreeNode>
index
- The index of the item to update.treeNode
- The item that will replace any existing value at the given index.
ListListener.itemUpdated(List, int, Object)
public int remove(TreeNode treeNode)
Sequence
remove
in interface Sequence<TreeNode>
treeNode
- The item to remove.
Sequence.remove(int, int)
public Sequence<TreeNode> remove(int index, int count)
Sequence
remove
in interface List<TreeNode>
remove
in interface Sequence<TreeNode>
index
- The starting index to remove.count
- The number of items to remove, beginning with index.
ListListener.itemsRemoved(List, int, Sequence)
public void clear()
Collection
clear
in interface Collection<TreeNode>
clear
in interface List<TreeNode>
ListListener.itemsRemoved(List, int, Sequence)
public TreeNode get(int index)
Sequence
get
in interface Sequence<TreeNode>
index
- The index of the item to retrieve.public int indexOf(TreeNode treeNode)
Sequence
indexOf
in interface Sequence<TreeNode>
treeNode
- The item to locate.
public boolean isEmpty()
Collection
isEmpty
in interface Collection<TreeNode>
public int getLength()
List
getLength
in interface List<TreeNode>
getLength
in interface Sequence<TreeNode>
public Comparator<TreeNode> getComparator()
Collection
getComparator
in interface Collection<TreeNode>
Collection.setComparator(Comparator)
public void setComparator(Comparator<TreeNode> comparator)
Collection
Calling this method more than once with the same comparator will re-sort the collection.
setComparator
in interface Collection<TreeNode>
setComparator
in interface List<TreeNode>
comparator
- The comparator used to order elements in the collection, or null if the
collection is unsorted.ListListener.comparatorChanged(List, Comparator)
public Iterator<TreeNode> iterator()
iterator
in interface Iterable<TreeNode>
public ListenerList<ListListener<TreeNode>> getListListeners()
List
getListListeners
in interface List<TreeNode>
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