81 lines
2.3 KiB
JavaScript
81 lines
2.3 KiB
JavaScript
// kill drag drop dependency
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if(YAHOO.util.DragDrop){
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YAHOO.ext.dd.Registry = function(){
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var elements = {};
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var handles = {};
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var autoIdSeed = 0;
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var doc = document; // local reference for IE
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var getId = function(el, autogen){
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if(typeof el == 'string'){
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return el;
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}
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var id = el.id;
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if(!id && autogen !== false){
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id = 'yddgen-' + (++autoIdSeed);
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el.id = id;
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}
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return id;
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};
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return {
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register : function(el, data){
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data = data || {};
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if(typeof el == 'string'){
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el = doc.getElementById(el);
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}
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data.ddel = el;
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elements[getId(el)] = data;
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if(data.isHandle !== false){
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handles[data.ddel.id] = data;
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}
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if(data.handles){
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var hs = data.handles;
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for(var i = 0, len = hs.length; i < len; i++){
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handles[getId(hs[i])] = data;
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}
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}
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},
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unregister : function(el){
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var id = getId(el, false);
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var data = elements[id];
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if(data){
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delete elements[id];
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if(data.handles){
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var hs = data.handles;
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for(var i = 0, len = hs.length; i < len; i++){
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delete handles[getId(hs[i], false)];
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}
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}
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}
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},
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getHandle : function(id){
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if(typeof id != 'string'){ // must be element?
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id = id.id;
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}
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return handles[id];
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},
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getHandleFromEvent : function(e){
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var t = YAHOO.util.Event.getTarget(e);
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return t ? handles[t.id] : null;
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},
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getTarget : function(id){
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if(typeof id != 'string'){ // must be element?
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id = id.id;
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}
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return elements[id];
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},
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getTargetFromEvent : function(e){
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var t = YAHOO.util.Event.getTarget(e);
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return t ? elements[t.id] || handles[t.id] : null;
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}
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};
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}();
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}
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