expandcollaps
Drag-and-Drop
Before
After
Description
onDrag
Event occurs after item was dragged and droped on another item, but before item moving processed.
  • ID of source item
  • ID of target item
  • if node droped as sibling then contain id of item before whitch source node will be inserted
  • source Tree object
  • target Tree object

    • Returns:true - confirm drag-and-drop; false - deny drag-and-drop;
    onDragIn*
    Event raised when item draged other other dropable target
  • ID draged item
  • ID potencial drop landing
  • source object
  • target object

    • Returns:true - allow drop; false - deny drop;
    onDrop*
    Event raised after drag-and-drop processed. Event also raised while programmatic moving nodes.
  • ID of source item (ID after inserting in tree, my be not equal to initial ID)
  • ID of target item
  • if node droped as sibling then contain id of item before whitch source node will be inserted
  • source Tree object
  • target Tree object
    		•
    Editing
    Before
    After
    Description
    onEdit
    onEdit
    Event occurs on 4 different stages of edit process: before editing started (cancelable), after editing started, before closing (cancelable), after closed
  • state - 0 before editing started , 1 after editing started, 2 before closing, 3 after closed
  • id - id of edited items
  • tree - tree object
  • value - for stage 0 and 2, value of editor

    • Returns:for stages 0 and 2; true - confirm opening/closing, false - deny opening/closing; text - edit value
    onBeforeCheck
    Event raised before item was checked/unchecked
  • ID of item
  • current check state

    • Returns:true - allow checking; false - deny checking;
    onCheck
    Event raised immideatly after item in tree was checked/unchecked.
  • ID of item which will be checked/unchecked
  • Current checkbox state. 1 - item checked, 0 - item unchecked.
    		•
    Loading
    Before
    After
    Description
    onXLS*
    event fires simultaneously with starting XML parsing
  • tree object
  • item id, for which xml loaded
    • onXLE*
    event fires simultaneously with ending XML parsing, new items already available in tree
  • tree object
  • last parsed parent id
    		•
    Mouse
    Before
    After
    Description
    onMouseIn
    Event raised immideatly after mouse hovered over item
  • ID of item
    • onMouseOut
    Event raised immideatly after mouse moved out of item
  • ID of clicked item
    		•
    Opening
    Before
    After
    Description
    onOpenStart
    Event raised immideatly after item in tree got command to open/close , and before item was opened//closed. Event also raised for unclosable nodes and nodes without open/close functionality - in that case result of function will be ignored.
  • ID of node which will be opened/closed
  • Current open state of tree item. 0 - item has not childs, -1 - item closed, 1 - item opened.

    • Returns:true - confirm opening/closing; false - deny opening/closing;
    onOpenEnd
    Event raised immideatly after item in tree got command to open/close , and before item was opened//closed. Event also raised for unclosable nodes and nodes without open/close functionality - in that case result of function will be ignored.
  • ID of node which will be opened/closed
  • Current open state of tree item. 0 - item has not childs, -1 - item closed, 1 - item opened.
    • onDblClick
    Event raised immideatly after item in tree was doubleclicked, before default onDblClick functionality was processed.
  • ID of item which was doubleclicked

    • Returns:true - confirm opening/closing; false - deny opening/closing;
    onOpenDynamicEnd*
    Event raised after openItemsDynamic loads and opens required hierarchy of items
    Right Click
    Before
    After
    Description
    onRightClick
    Event occurs after right mouse button was clicked.
  • (string) ID of clicked item
  • (object) event object
    		•
    Selection
    Before
    After
    Description
    onClick
    Event raised immideatly after text part of item in tree was clicked, but after default onClick functionality was processed.
  • ID of clicked item
  • ID of previously selected item
    • onSelect
    Event raised immideatly after selection in tree was changed
  • selected item ID ( list of IDs in case of multiselection)
    		•
    * - available only in professional version