collapseAll Method |
This method collapses the root node or the selected node of the tree to all levels recursively.
Syntax
treeID.root.collapseAll()
When called from a node other than root, the syntax is as follows:
treeNode.collapseAll()
Return Value
No return value.
Remarks
The operation should be performed only on a parent tree node item that is already expanded (item with a "-" symbol before it indicating that it is already expanded).
When this function is called, the node is collapsed to all the levels recursively, and any function associated with the oncollapse property of the tree item is fired for each item. Once collapsed, all the collapsed items will have a "+" symbol in place of "-" indicating that they are already collapsed.
collapseAll can be called on the root, only if there is a root in the tree (Root property).
Example
The following example shows how the above method is defined.
//Function called on onload event of the window
function initialize()
{
//Expand all nodes
if (sampletree.root)
{
sampletree.root.expandAll();
//Alert
application.notify('All nodes expanded');
//Collapse all nodes
sampletree.root.collapseAll();
}
}