sap.ui.commons.TreeNode.extend(sClassName, oClassInfo?, FNMetaImpl?): function
 Creates a new subclass of class sap.ui.commons.TreeNode with name 
sClassName and enriches it with the information contained in 
oClassInfo. 
oClassInfo might contain the same kind of information as described in sap.ui.core.Element.extend. 
Parameters:
| {string} | sClassName | Name of the class being created | 
| {object} | oClassInfo? | Object literal with information about the class | 
| {function} | FNMetaImpl? | Constructor function for the metadata object; if not given, it defaults to sap.ui.core.ElementMetadata | 
Returns:
| {function} | Created class / constructor function | 
 Returns a metadata object for class sap.ui.commons.TreeNode. 
Returns:
 Adds some ariaDescribedBy into the association ariaDescribedBy. 
Parameters:
| {string|sap.ui.core.Control} | vAriaDescribedBy | the ariaDescribedBy to add; if empty, nothing is inserted | 
Returns:
 Adds some ariaLabelledBy into the association ariaLabelledBy. 
Parameters:
| {string|sap.ui.core.Control} | vAriaLabelledBy | the ariaLabelledBy to add; if empty, nothing is inserted | 
Returns:
 Adds some node to the aggregation nodes. 
Parameters:
Returns:
 Attaches event handler 
fnFunction to the 
selected event of this 
sap.ui.commons.TreeNode. 
 When called, the context of the event handler (its this) will be bound to oListener if specified, otherwise it will be bound to this sap.ui.commons.TreeNode itself. 
 Node is selected 
Parameters:
| {object} | oData? | An application-specific payload object that will be passed to the event handler along with the event object when firing the event | 
| {function} | fnFunction | The function to be called when the event occurs | 
| {object} | oListener? | Context object to call the event handler with. Defaults to this sap.ui.commons.TreeNodeitself | 
Returns:
 Attaches event handler 
fnFunction to the 
toggleOpenState event of this 
sap.ui.commons.TreeNode. 
 When called, the context of the event handler (its this) will be bound to oListener if specified, otherwise it will be bound to this sap.ui.commons.TreeNode itself. 
 Node state has changed. 
Parameters:
| {object} | oData? | An application-specific payload object that will be passed to the event handler along with the event object when firing the event | 
| {function} | fnFunction | The function to be called when the event occurs | 
| {object} | oListener? | Context object to call the event handler with. Defaults to this sap.ui.commons.TreeNodeitself | 
Returns:
 collapse(bCollapseChildren, bDisableCollapseFinishedHandler)
 Collapses the node. 
Parameters:
| {boolean} | bCollapseChildren | Propagates collapse to node's children | 
| {boolean} | bDisableCollapseFinishedHandler | Disables the collapse finished handler | 
 Destroys all the nodes in the aggregation nodes. 
Returns:
 Detaches event handler 
fnFunction from the 
selected event of this 
sap.ui.commons.TreeNode. 
 The passed function and listener object must match the ones used for event registration. 
Parameters:
| {function} | fnFunction | The function to be called, when the event occurs | 
| {object} | oListener | Context object on which the given function had to be called | 
Returns:
 Detaches event handler 
fnFunction from the 
toggleOpenState event of this 
sap.ui.commons.TreeNode. 
 The passed function and listener object must match the ones used for event registration. 
Parameters:
| {function} | fnFunction | The function to be called, when the event occurs | 
| {object} | oListener | Context object on which the given function had to be called | 
Returns:
 expand(bExpandChildren, bDisableExpandFinishedHandler)
 Expands the node. 
Parameters:
| {boolean} | bExpandChildren | Propagates expand to node's children | 
| {boolean} | bDisableExpandFinishedHandler | Disables the expand finished handler | 
 Fires event selected to attached listeners. 
Parameters:
| {Map} | mArguments? | The arguments to pass along with the event | 
Returns:
 Fires event 
toggleOpenState to attached listeners. 
 Expects the following event parameters: 
- openedof type- booleanNode has been opened if true
Parameters:
| {Map} | mArguments? | The arguments to pass along with the event | 
Returns:
 Returns array of IDs of the elements which are the current targets of the association ariaDescribedBy. 
Returns:
 Returns array of IDs of the elements which are the current targets of the association ariaLabelledBy. 
Returns:
 getExpanded(): boolean
 Gets current value of property 
expanded. 
 Node is expanded 
 Default value is true. 
Returns:
| {boolean} | Value of property expanded | 
 getHasExpander(): boolean
 Gets current value of property 
hasExpander. 
 Should the node has an expander. 
 Default value is false. 
Returns:
| {boolean} | Value of property hasExpander | 
 Gets current value of property 
icon. 
 Icon to display in front of the node 
Returns:
 getIsSelected(): boolean
 Gets current value of property 
isSelected. 
 Node is selected 
 Default value is false. 
Returns:
| {boolean} | Value of property isSelected | 
 Gets content of aggregation 
nodes. 
 Subnodes for the current node 
Returns:
 getSelectable(): boolean
 Gets current value of property 
selectable. 
 The node is selectable. If true, clicking on the node text triggers "selected" event 
 Default value is true. 
Returns:
| {boolean} | Value of property selectable | 
 getText(): string
 Gets current value of property 
text. 
 Node text 
Returns:
| {string} | Value of property text | 
 indexOfNode(oNode): int
 Checks for the provided sap.ui.commons.TreeNode in the aggregation nodes. and returns its index if found or -1 otherwise. 
Parameters:
Returns:
| {int} | The index of the provided control in the aggregation if found, or -1 otherwise | 
 Inserts a node into the aggregation nodes. 
Parameters:
| {sap.ui.commons.TreeNode} | oNode | the node to insert; if empty, nothing is inserted | 
| {int} | iIndex | the 0-based index the node should be inserted at; for a negative value ofiIndex, the node is inserted at position 0; for a value greater than the current size of the aggregation, the node is inserted at the last position | 
Returns:
 Removes all the controls in the association named ariaDescribedBy. 
Returns:
 Removes all the controls in the association named ariaLabelledBy. 
Returns:
 Removes all the controls from the aggregation 
nodes. 
 Additionally, it unregisters them from the hosting UIArea. 
Returns:
 Removes an ariaDescribedBy from the association named ariaDescribedBy. 
Parameters:
| {int|string|sap.ui.core.Control} | vAriaDescribedBy | The ariaDescribedByto be removed or its index or ID | 
Returns:
 Removes an ariaLabelledBy from the association named ariaLabelledBy. 
Parameters:
| {int|string|sap.ui.core.Control} | vAriaLabelledBy | The ariaLabelledByto be removed or its index or ID | 
Returns:
 Removes a node from the aggregation nodes. 
Parameters:
Returns:
 select(bSuppressEvent, bDeselectOtherNodes)
 Select the node, and if any, deselects the previously selected node 
Parameters:
| {boolean} | bSuppressEvent |  | 
| {boolean} | bDeselectOtherNodes |  | 
 Sets a new value for property 
expanded. 
 Node is expanded 
 When called with a value of null or undefined, the default value of the property will be restored. 
 Default value is true. 
Parameters:
| {boolean} | bExpanded | New value for property expanded | 
Returns:
 Sets a new value for property 
hasExpander. 
 Should the node has an expander. 
 When called with a value of null or undefined, the default value of the property will be restored. 
 Default value is false. 
Parameters:
| {boolean} | bHasExpander | New value for property hasExpander | 
Returns:
 Sets a new value for property 
icon. 
 Icon to display in front of the node 
 When called with a value of null or undefined, the default value of the property will be restored. 
Parameters:
Returns:
 Redefinition of Setter for property 
isSelected for validation purpose 
 Default value is empty/undefined
Parameters:
| {boolean} | bIsSelected | new value for property isSelected | 
Returns:
 Redefinition of Setter for property 
selectable for validation purpose. 
 Default value is true
Parameters:
| {boolean} | bSelectable | new value for property selectable | 
Returns:
 Sets a new value for property 
text. 
 Node text 
 When called with a value of null or undefined, the default value of the property will be restored. 
Parameters:
| {string} | sText | New value for property text | 
Returns: