X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/2e847cf21b8ab9d15fa167b315ca5b2fa92638fc..6a7e4474cba9d8be4b2ec445e10f1691f7277c50:/src/dd/Registry.js diff --git a/src/dd/Registry.js b/src/dd/Registry.js index 337727ec..f3d9c7f3 100644 --- a/src/dd/Registry.js +++ b/src/dd/Registry.js @@ -1,127 +1,127 @@ /*! - * Ext JS Library 3.1.1 - * Copyright(c) 2006-2010 Ext JS, LLC + * Ext JS Library 3.2.0 + * Copyright(c) 2006-2010 Ext JS, Inc. * licensing@extjs.com * http://www.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; - } - }; +/** + * @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