C - the data type of the children of the nodeclass CellBrowser.TreeNodeImpl<C> extends java.lang.Object implements TreeNode
| Constructor and Description |
|---|
TreeNodeImpl(TreeViewModel.NodeInfo<C> nodeInfo,
java.lang.Object value,
CellBrowser.BrowserCellList<C> display,
Widget widget)
Construct a new
CellBrowser.TreeNodeImpl. |
| Modifier and Type | Method and Description |
|---|---|
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.
|
public 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 displaypublic int getChildCount()
TreeNodegetChildCount in interface TreeNodepublic C getChildValue(int index)
TreeNodegetChildValue in interface TreeNodeindex - the child indexpublic int getIndex()
TreeNodepublic CellBrowser.TreeNodeImpl<?> getParent()
TreeNodepublic java.lang.Object getValue()
TreeNodepublic boolean isChildLeaf(int index)
TreeNodeisChildLeaf in interface TreeNodeindex - the index of the childpublic boolean isChildOpen(int index)
TreeNodeisChildOpen in interface TreeNodeindex - the index of the childpublic boolean isDestroyed()
TreeNodeIllegalStateException.isDestroyed in interface TreeNodepublic 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 closeTreeNode that was opened, or null if the node was
closed or could not be openedpublic 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 toTreeNode that was opened, or null if the node was
closed or could not be openedCellBrowser.BrowserCellList<C> getDisplay()
java.lang.Object getFocusedKey()
boolean isFocusedOpen()