X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/ee06f37b0f6f6d94cd05a6ffae556660f7c4a2bc..c930e9176a5a85509c5b0230e2bff5c22a591432:/source/dd/Registry.js diff --git a/source/dd/Registry.js b/source/dd/Registry.js deleted file mode 100644 index 344f0b48..00000000 --- a/source/dd/Registry.js +++ /dev/null @@ -1,129 +0,0 @@ -/* - * Ext JS Library 2.2.1 - * Copyright(c) 2006-2009, Ext JS, LLC. - * licensing@extjs.com - * - * http://extjs.com/license - */ - -/** - * @class Ext.dd.Registry - * Provides easy access to all drag drop components that are registered on a page. Items can be retrieved either - * directly by DOM node id, or by passing in the drag drop event that occurred and looking up the event target. - * @singleton - */ -Ext.dd.Registry = function(){ - var elements = {}; - var handles = {}; - var autoIdSeed = 0; - - var getId = function(el, autogen){ - if(typeof el == "string"){ - return el; - } - var id = el.id; - if(!id && autogen !== false){ - id = "extdd-" + (++autoIdSeed); - el.id = id; - } - return id; - }; - - return { - /** - * Resgister a drag drop element - * @param {String/HTMLElement) element The id or DOM node to register - * @param {Object} data (optional) An custom data object that will be passed between the elements that are involved - * in drag drop operations. You can populate this object with any arbitrary properties that your own code - * knows how to interpret, plus there are some specific properties known to the Registry that should be - * populated in the data object (if applicable): - *
-Value      Description
---------- ------------------------------------------
-handles Array of DOM nodes that trigger dragging
- for the element being registered
-isHandle True if the element passed in triggers
- dragging itself, else false -
- */ - register : function(el, data){ - data = data || {}; - if(typeof el == "string"){ - el = document.getElementById(el); - } - data.ddel = el; - elements[getId(el)] = data; - if(data.isHandle !== false){ - handles[data.ddel.id] = data; - } - if(data.handles){ - var hs = data.handles; - for(var i = 0, len = hs.length; i < len; i++){ - handles[getId(hs[i])] = data; - } - } - }, - - /** - * Unregister a drag drop element - * @param {String/HTMLElement) element The id or DOM node to unregister - */ - unregister : function(el){ - var id = getId(el, false); - var data = elements[id]; - if(data){ - delete elements[id]; - if(data.handles){ - var hs = data.handles; - for(var i = 0, len = hs.length; i < len; i++){ - delete handles[getId(hs[i], false)]; - } - } - } - }, - - /** - * Returns the handle registered for a DOM Node by id - * @param {String/HTMLElement} id The DOM node or id to look up - * @return {Object} handle The custom handle data - */ - getHandle : function(id){ - if(typeof id != "string"){ // must be element? - id = id.id; - } - return handles[id]; - }, - - /** - * Returns the handle that is registered for the DOM node that is the target of the event - * @param {Event} e The event - * @return {Object} handle The custom handle data - */ - getHandleFromEvent : function(e){ - var t = Ext.lib.Event.getTarget(e); - return t ? handles[t.id] : null; - }, - - /** - * Returns a custom data object that is registered for a DOM node by id - * @param {String/HTMLElement} id The DOM node or id to look up - * @return {Object} data The custom data - */ - getTarget : function(id){ - if(typeof id != "string"){ // must be element? - id = id.id; - } - return elements[id]; - }, - - /** - * Returns a custom data object that is registered for the DOM node that is the target of the event - * @param {Event} e The event - * @return {Object} data The custom data - */ - getTargetFromEvent : function(e){ - var t = Ext.lib.Event.getTarget(e); - return t ? elements[t.id] || handles[t.id] : null; - } - }; -}(); \ No newline at end of file