LongListBox

Description

The LongListBox component is a grouped list.

Comments

The component is implemented by the LongListBox class.

Example

The component looks as follows:

The example of creating a grouped list is described on the Example of Creating the LongListBox Component page.

Constructor

	Constructor name	Brief description
	LongListBox	The LongListBox constructor creates an instance of the LongListBox component.

Properties

	Property name	Brief description
	Groups	The Groups property contains an array of settings of groups of elements.
	GroupsHeight	The GroupsHeight property contains title height of list groups.
	GroupsTemplate	The GroupsTemplate property contains a template for list groups titles.
	ItemsHeight	The ItemsHeight property contains height of list elements.
	ItemsTemplate	The ItemsTemplate property contains a template for list elements.

Methods

	Method name	Brief description
	addGroups	The addGroups method adds an array of groups to the current groups.
	calcItemsContainerHeight	The calcItemsContainerHeight method returns component container height.
	beginUpdate	The beginUpdate method disables rerendering of the list until the endUpdate method is called.
	endUpdate	The endUpdate method enables list rerendering and refreshes it.
	getItems	The getItems method returns loaded elements of the grouped list.
	getMultiSelect	The getMultiSelect returns whether multiple selection of grouped list elements is available.
	getScrollBar	The getScrollBar method returns vertical scrollbar of the grouped list.
	getVisibleItems	The getVisibleItems method returns array of visible elements of grouped list.
	isAllLoaded	The isAllLoaded method determines whether all list elements are loaded.
	setChildProps	The setChildProps method determines settings for grouped list elements.

Properties inherited from the class Control

	Property name	Brief description
	Anchors	The Anchors property determines position of the component placed within container.
	Animation	The Animation property sets animation parameters for component.
	Bottom	The Bottom property sets bottom offset on placing the component within the LayoutPanel.
	Content	The Content property sets the component contents.
	ContextMenu	The ContextMenu property sets the context menu for the component.
	Data	The Data property is used to store any custom data.
	DataContext	The DataContext property contains an object with data.
	Enabled	The Enabled property sets whether the component is enabled.
	Height	The Height property determines the component height.
	IsResizable	The IsResizable property determines whether the component can be resized.
	IsRTL	The lsRTL property sets right to left text direction.
	IsVisible	The IsVisible property determines whether the component is displayed.
	Left	The Left property sets left offset on placing the component within the GridPanel.
	Offset	The Offset property determines coordinates of root DOM node of a control.
	Opacity	The Opacity property determines component transparency.
	Parent	The Parent property determines a parent component of a control.
	ParentNode	The ParentNode property sets parent DOM node.
	ResourceKey	The ResourceKey property sets the resource key for the component.
	Right	The Right property sets right offset on placing the component within the LayoutPanel.
	Rotate	The Rotate property sets component rotation angle.
	ShowToolTip	The ShowToolTip property determines whether the tooltip of the component can be displayed.
	Style	The Style property sets component style.
	TabIndex	The TabIndex property sets the order of the control element passing inside the container.
	Tag	The Tag property sets JSON object associated with the component.
	ToolTip	The ToolTip property determines text of component tooltip.
	Top	The Top property sets top offset on placing the component within the GridPanel.
	Value	The Value property sets the value to the component.
	Width	The Width property sets the component width.

Methods inherited from the class Control

	Method name	Brief description
	addItem	The addItem method adds a new element to list.
	beginUpdate	The beginUpdate method determines whether the list is updated.
	clear	The clear method removes all elements from the list.
	clearSelection	The clearSelection method is used to reset selection.
	endUpdate	The endUpdate method removes whether the list is updated.
	filterByText	The filterByText method filters list elements by string.
	getActiveItem	The getActiveItem method returns the selected list element.
	getItemByPoint	The getItemByPoint method returns list element by the specified coordinates.
	getLastItemClick	The getLastItemClick method returns the last selected list element.
	getLayoutItems	The getLayoutItems method returns an array of list elements.
	getScrollBox	The getScrollBox method returns scrolling region of elements list.
	getSelectedItems	The getSelectedItems method returns array of selected list elements.
	insertItem	The insertItem method adds an element to the position of the elements list set by the index parameter.
	removeItem	The removeItem method removes the element of the list by the specified index.
	scrollToItem	The scrollToItem method scrolls the list up to the item element.
	scrollToSelected	The scrollToSelected method scrolls the list up to the selected list element.
	selectItemById	The selectItemById method selects the element with the specified Id identifier.
	setSelectedFocus	The setSelectedFocus method sets focus on the element index.

Events inherited from the class Control

	Event name	Brief description
	Drag	The Drag event occurs on clicking and holding the left mouse button.
	DragEnd	The DragEnd event occurs when dragging the component finishes.
	DragStart	The DragStart event occurs when dragging the component starts.
	OnContextMenu	The OnContextMenu event occurs on calling context menu of the component.
	SizeChanged	The SizeChanged event occurs after the component is resized.
	SizeChanging	The SizeChanging event occurs during component resize.

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:

DHTML Components