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Working with Trees > Classes > TreeModel

TreeModel

Namespace: PP;

Inheritance hierarchy

Object

TreeModel

Description

The TreeModel class implements data model in hierarchical charts.

Comments

The TreeModel class is using by the components BubbleTree and TreeMap.

Syntax

PP.initClass(PP.TreeModel, PP.Object, "PP.TreeModel");

Constructor

	Constructor name	Brief description
	TreeModel	The TreeModel constructor creates an instance of the TreeModel class.

Properties

	Property name	Brief description
	ActiveItem	The ActiveItem property determines an active element of chart data model.
	RootItem	The RootItem property determines a root element of the chart data model.

Methods

	Method name	Overview
	buildIndex	The buildIndex method refreshes indexes of data model elements.
	getItem	The getItem method returns data model element by its index.
	goToParent	The goToParent method replaces the currently active element with its parent.

Events

	Event name	Brief description
	ActiveItemChanged	The ActiveItemChanged event occurs after active chart element is changed.

Properties inherited from the class Object

	Property name	Brief description
	Id	The Id property determines a repository object identifier.

Methods inherited from the class Object

	Method name	Brief description
	clone	The clone method creates an object copy.
	dispose	The dispose method deletes the component.
	getHashCode	The getHashCode method returns hash code of repository object.
	getSettings	The getSettings method returns repository object settings.
	getTypeName	The getTypeName method returns the name of the object type without the namespace, to which it belongs.
	isEqual	The isEqual method determines whether the specified object is equal to the current repository object.
	isLive	The isLive method determines validity of repository object.
	removeAllEvents	The removeAllEvents method removes all object event handlers by the specified context.
	setSettings	The setSettings method determines repository object settings.
	defineProps	The defineProps method creates get and set methods from name array for the specified class.
	keys	The keys method returns array of methods and properties names for the specified object.

See also:

PP