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java.lang.Objectcom.google.gwt.user.cellview.client.CellBrowser.TreeNodeImpl<C>
C - the data type of the children of the nodeclass CellBrowser.TreeNodeImpl<C>
A node in the tree.
| Constructor Summary | |
|---|---|
CellBrowser.TreeNodeImpl(TreeViewModel.NodeInfo<C> nodeInfo,
java.lang.Object value,
CellBrowser.BrowserCellList<C> display,
Widget widget)
Construct a new CellBrowser.TreeNodeImpl. |
|
| Method Summary | |
|---|---|
int |
getChildCount()
Get the number of children of the node. |
C |
getChildValue(int index)
Get the value associated with a child node. |
(package private) CellBrowser.BrowserCellList<C> |
getDisplay()
|
(package private) java.lang.Object |
getFocusedKey()
Return the key of the value that is focused in this node's display. |
int |
getIndex()
Get the index of the current node relative to its parent. |
CellBrowser.TreeNodeImpl<?> |
getParent()
Get the parent node of this node. |
java.lang.Object |
getValue()
Get the value associated with this node. |
boolean |
isChildLeaf(int index)
Check whether or not a child node is a leaf node. |
boolean |
isChildOpen(int index)
Check whether or not a child node is open. |
boolean |
isDestroyed()
Check whether or not the current node is destroyed. |
(package private) boolean |
isFocusedOpen()
Return true if the focused value is open, false if not. |
TreeNode |
setChildOpen(int index,
boolean open)
Open or close a child node and fire an event. |
TreeNode |
setChildOpen(int index,
boolean open,
boolean fireEvents)
Open or close the node, optionally firing an event. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public CellBrowser.TreeNodeImpl(TreeViewModel.NodeInfo<C> nodeInfo,
java.lang.Object value,
CellBrowser.BrowserCellList<C> display,
Widget widget)
CellBrowser.TreeNodeImpl.
nodeInfo - the nodeInfo for the children nodesvalue - the value of the nodedisplay - the display associated with the nodewidget - the widget that wraps the display| Method Detail |
|---|
public int getChildCount()
TreeNode
getChildCount in interface TreeNodepublic C getChildValue(int index)
TreeNode
getChildValue in interface TreeNodeindex - the child index
public int getIndex()
TreeNode
getIndex in interface TreeNodepublic CellBrowser.TreeNodeImpl<?> getParent()
TreeNode
getParent in interface TreeNodepublic java.lang.Object getValue()
TreeNode
getValue in interface TreeNodepublic boolean isChildLeaf(int index)
TreeNode
isChildLeaf in interface TreeNodeindex - the index of the child
public boolean isChildOpen(int index)
TreeNode
isChildOpen in interface TreeNodeindex - the index of the child
public boolean isDestroyed()
TreeNodeIllegalStateException.
isDestroyed in interface TreeNode
public TreeNode setChildOpen(int index,
boolean open)
TreeNodeopen is true
and the TreeNode successfully opens, returns the child
TreeNode. Delegates to TreeNode.setChildOpen(int,boolean, boolean).
setChildOpen in interface TreeNodeindex - the index of the childopen - true to open, false to close
TreeNode that was opened, or null if the node was
closed or could not be opened
public TreeNode setChildOpen(int index,
boolean open,
boolean fireEvents)
TreeNodeopen is
true and the TreeNode successfully opens, returns the child
TreeNode.
setChildOpen in interface TreeNodeindex - the index of the childopen - true to open, false to flosefireEvents - true to fire an event, false not to
TreeNode that was opened, or null if the node was
closed or could not be openedCellBrowser.BrowserCellList<C> getDisplay()
java.lang.Object getFocusedKey()
boolean isFocusedOpen()
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