TinyMCE:Configuration/handle node change callback

From Moxiecode Documentation Wiki

Option: handle_node_change_callback

Gets called ones the cursor/selection in a TinyMCE instance changes. This is useful to enable/disable button controls depending on where the users are and what they have selected. This method gets executed a lot and should be as performance tuned as possible.

Callback arguments

editor_id (string)

TinyMCE editor instance id that was changed.

node (HTMLNode)

Current node location, where the cursor is in the DOM tree.

undo_index (int)

The current undo index, if this is -1 custom undo/redo is disabled.

undo_levels (int)

The current undo levels, if this is -1 custom undo/redo is disabled.

visual_aid (boolean)

Is visual aids enabled/disabled ex: dotted lines on tables.

any_selection (boolean)

Is there any selection at all or is there only a cursor.

Example of usage of the handle_node_change_callback option

tinyMCE.init({
	...
	handle_node_change_callback : "nodeChangeHandler"
});

function nodeChangeHandler(editor_id, node, undo_index, undo_levels, visual_aid, any_selection) {
   // Debug to Firebug in FF
   console.debug(node.nodeName);
}