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Working with Trees > Classes > TreeNode > TreeNode.collapseAll

TreeNode.collapseAll

Syntax

collapseAll();

Description

The collapseAll method hides a list of the node child elements.

Example

To execute the example, the page must contain the TreeList component named treeListSett (see Example of Creating the TreeList Component). Expand the list of the node children with the Africa contents.

var nodeAfrica = treeListSett.find("Africa");
// Expand the list of the node children with the Africa contents.
nodeAfrica.expandAll();

As a result node children with the Africa contents are expanded:

Select all node children with the Africa contents:

// Select all node children with the Africa contents
nodeAfrica.selectChild();

As a result all node children with the Africa contents are selected:

Deselect all node children with the Africa contents:

// Deselect all node children with the Africa contents
nodeAfrica.deSelectChild();

As a result all node children with the Africa contents are deselected.

Hide node children with the Africa contents.

// Hide node children with the Africa contents
nodeAfrica.collapseAll();

As a result node children with the Africa contents are hidden.

See also:

TreeNode