JavaScript/jQuery TreeView Events
contentReady
Event
Name | Type | Description |
---|---|---|
component |
The widget's instance. |
|
element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
model |
The model data. Available only when using Knockout. |
Main article: onContentReady.
See Also
disposing
Raised before the widget is disposed of.
Event
Name | Type | Description |
---|---|---|
component |
The widget instance. |
|
element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
model |
The model data. Available only if you use Knockout. |
Main article: onDisposing
See Also
initialized
Event
Name | Type | Description |
---|---|---|
component |
The widget's instance. |
|
element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
Main article: onInitialized
See Also
itemClick
Event
Name | Type | Description |
---|---|---|
node |
The clicked item's node. |
|
event | Event (jQuery or EventObject) |
The event that caused the function's execution. It is a dxEvent or a jQuery.Event when you use jQuery. |
jQueryEvent |
The jQuery event that caused the function's execution. Deprecated in favor of the event field. |
|
itemIndex | | |
The clicked item's index. |
itemElement |
The clicked item's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
itemData |
The clicked item's data object. |
|
model |
The model data. Available only if Knockout is used. |
|
element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
component |
The widget's instance. |
Main article: onItemClick.
See Also
itemCollapsed
Event
Name | Type | Description |
---|---|---|
component |
The widget's instance. |
|
element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
model |
The model data. Available only if Knockout is used. |
|
itemData |
The collapsed item's data. |
|
itemElement |
The item's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
itemIndex |
The item's index. |
|
jQueryEvent |
Use 'event' instead. The jQuery event that caused the handler execution. Deprecated in favor of the event field. |
|
event | Event (jQuery or EventObject) |
The event that caused the handler execution. It is a dxEvent or a jQuery.Event when you use jQuery. |
node |
The item's node. |
Main article: onItemCollapsed
See Also
itemContextMenu
Event
Name | Type | Description |
---|---|---|
node |
The target item's node. |
|
event | Event (jQuery or EventObject) |
The event that caused the function's execution. It is a dxEvent or a jQuery.Event when you use jQuery. |
jQueryEvent |
The jQuery event that caused the function's execution. Deprecated in favor of the event field. |
|
itemIndex | | |
The target item's index. |
itemElement |
The target item's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
itemData |
The target item's data object. |
|
model |
The model data. Available only if Knockout is used. |
|
element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
component |
The widget's instance. |
Main article: onItemContextMenu
See Also
itemExpanded
Event
Name | Type | Description |
---|---|---|
component |
The widget's instance. |
|
element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
model |
The model data. Available only if Knockout is used. |
|
itemData |
The expanded item's data. |
|
itemElement |
The item's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
itemIndex |
The item's index. |
|
jQueryEvent |
Use 'event' instead. The jQuery event that caused the handler execution. Deprecated in favor of the event field. |
|
event | Event (jQuery or EventObject) |
The event that caused the handler execution. It is a dxEvent or a jQuery.Event when you use jQuery. |
node |
The item's node. |
Main article: onItemExpanded
See Also
itemHold
Raised when a collection item has been held for a specified period.
Event
Name | Type | Description |
---|---|---|
event | Event (jQuery or EventObject) |
The event that caused the function's execution. It is a dxEvent or a jQuery.Event when you use jQuery. |
itemIndex |
The index of the item being held. In a grouped list, the index represents an object defining the group and item indexes: { group: 0, item: 0 }. |
|
itemElement |
The container of the item being held. It is an HTML Element or a jQuery Element when you use jQuery. |
|
itemData |
The data object of the item being held. |
|
model |
The model data. Available only if Knockout is used. |
|
element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
component |
The widget's instance. |
|
node |
The node of the item being held. |
Main article: onItemHold
See Also
itemRendered
Event
Name | Type | Description |
---|---|---|
itemIndex |
The rendered item's index. |
|
itemElement |
The rendered item's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
itemData |
The rendered item's data object. |
|
model |
The model data. Available only if Knockout is used. |
|
element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
component |
The widget's instance. |
|
node |
The rendered item's node. |
Main article: onItemRendered
See Also
itemSelectionChanged
Event
Name | Type | Description |
---|---|---|
component |
The widget's instance. |
|
element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
model |
The model data. Available only if Knockout is used. |
|
node |
The item's node. |
|
itemElement |
The item's container. It is an HTML Element or a jQuery Element when you use jQuery. |
Main article: onItemSelectionChanged
See Also
optionChanged
Event
Name | Type | Description |
---|---|---|
name |
The modified option if it belongs to the first level. Otherwise, the first-level option it is nested into. |
|
model |
The model data. Available only if you use Knockout. |
|
element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
component |
The widget's instance. |
|
fullName |
The path to the modified option that includes all parent options. |
|
value | any |
The modified option's new value. |
Main article: onOptionChanged
See Also
selectAllValueChanged
Event
Name | Type | Description |
---|---|---|
component |
The widget's instance. |
|
element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
model |
The model data. Available only if Knockout is used. |
|
value |
The "Select All" check box's new state. |
Main article: onSelectAllValueChanged
See Also
selectionChanged
Event
Name | Type | Description |
---|---|---|
model |
The model data. Available only if Knockout is used. |
|
element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
component |
The widget's instance. |
Main article: onSelectionChanged