From a089699c8915636ba4f158d77dba9b012bc93208 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@madoka.volgo-balt.ru>
Date: Fri, 4 Mar 2011 19:02:28 +0300
Subject: build custom layer of Dojo to speed up loading of tt-rss (refs #293)

---
 lib/dojo/dnd/Avatar.js | 160 ++++++++++++++++++++++++++++++++-----------------
 1 file changed, 106 insertions(+), 54 deletions(-)

(limited to 'lib/dojo/dnd/Avatar.js')

diff --git a/lib/dojo/dnd/Avatar.js b/lib/dojo/dnd/Avatar.js
index 057668026..effd253f3 100644
--- a/lib/dojo/dnd/Avatar.js
+++ b/lib/dojo/dnd/Avatar.js
@@ -5,60 +5,112 @@
 */
 
 
-if(!dojo._hasResource["dojo.dnd.Avatar"]){
-dojo._hasResource["dojo.dnd.Avatar"]=true;
+if(!dojo._hasResource["dojo.dnd.Avatar"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojo.dnd.Avatar"] = true;
 dojo.provide("dojo.dnd.Avatar");
+
 dojo.require("dojo.dnd.common");
-dojo.declare("dojo.dnd.Avatar",null,{constructor:function(_1){
-this.manager=_1;
-this.construct();
-},construct:function(){
-this.isA11y=dojo.hasClass(dojo.body(),"dijit_a11y");
-var a=dojo.create("table",{"class":"dojoDndAvatar",style:{position:"absolute",zIndex:"1999",margin:"0px"}}),_2=this.manager.source,_3,b=dojo.create("tbody",null,a),tr=dojo.create("tr",null,b),td=dojo.create("td",null,tr),_4=this.isA11y?dojo.create("span",{id:"a11yIcon",innerHTML:this.manager.copy?"+":"<"},td):null,_5=dojo.create("span",{innerHTML:_2.generateText?this._generateText():""},td),k=Math.min(5,this.manager.nodes.length),i=0;
-dojo.attr(tr,{"class":"dojoDndAvatarHeader",style:{opacity:0.9}});
-for(;i<k;++i){
-if(_2.creator){
-_3=_2._normalizedCreator(_2.getItem(this.manager.nodes[i].id).data,"avatar").node;
-}else{
-_3=this.manager.nodes[i].cloneNode(true);
-if(_3.tagName.toLowerCase()=="tr"){
-var _6=dojo.create("table"),_7=dojo.create("tbody",null,_6);
-_7.appendChild(_3);
-_3=_6;
-}
-}
-_3.id="";
-tr=dojo.create("tr",null,b);
-td=dojo.create("td",null,tr);
-td.appendChild(_3);
-dojo.attr(tr,{"class":"dojoDndAvatarItem",style:{opacity:(9-i)/10}});
-}
-this.node=a;
-},destroy:function(){
-dojo.destroy(this.node);
-this.node=false;
-},update:function(){
-dojo[(this.manager.canDropFlag?"add":"remove")+"Class"](this.node,"dojoDndAvatarCanDrop");
-if(this.isA11y){
-var _8=dojo.byId("a11yIcon");
-var _9="+";
-if(this.manager.canDropFlag&&!this.manager.copy){
-_9="< ";
-}else{
-if(!this.manager.canDropFlag&&!this.manager.copy){
-_9="o";
-}else{
-if(!this.manager.canDropFlag){
-_9="x";
-}
-}
-}
-_8.innerHTML=_9;
-}
-dojo.query(("tr.dojoDndAvatarHeader td span"+(this.isA11y?" span":"")),this.node).forEach(function(_a){
-_a.innerHTML=this._generateText();
-},this);
-},_generateText:function(){
-return this.manager.nodes.length.toString();
-}});
+
+dojo.declare("dojo.dnd.Avatar", null, {
+	// summary:
+	//		Object that represents transferred DnD items visually
+	// manager: Object
+	//		a DnD manager object
+
+	constructor: function(manager){
+		this.manager = manager;
+		this.construct();
+	},
+
+	// methods
+	construct: function(){
+		// summary:
+		//		constructor function;
+		//		it is separate so it can be (dynamically) overwritten in case of need
+		this.isA11y = dojo.hasClass(dojo.body(),"dijit_a11y");
+		var a = dojo.create("table", {
+				"class": "dojoDndAvatar",
+				style: {
+					position: "absolute",
+					zIndex:   "1999",
+					margin:   "0px"
+				}
+			}),
+			source = this.manager.source, node,
+			b = dojo.create("tbody", null, a),
+			tr = dojo.create("tr", null, b),
+			td = dojo.create("td", null, tr),
+			icon = this.isA11y ? dojo.create("span", {
+						id : "a11yIcon",
+						innerHTML : this.manager.copy ? '+' : "<"
+					}, td) : null,
+			span = dojo.create("span", {
+				innerHTML: source.generateText ? this._generateText() : ""
+			}, td),
+			k = Math.min(5, this.manager.nodes.length), i = 0;
+		// we have to set the opacity on IE only after the node is live
+		dojo.attr(tr, {
+			"class": "dojoDndAvatarHeader",
+			style: {opacity: 0.9}
+		});
+		for(; i < k; ++i){
+			if(source.creator){
+				// create an avatar representation of the node
+				node = source._normalizedCreator(source.getItem(this.manager.nodes[i].id).data, "avatar").node;
+			}else{
+				// or just clone the node and hope it works
+				node = this.manager.nodes[i].cloneNode(true);
+				if(node.tagName.toLowerCase() == "tr"){
+					// insert extra table nodes
+					var table = dojo.create("table"),
+						tbody = dojo.create("tbody", null, table);
+					tbody.appendChild(node);
+					node = table;
+				}
+			}
+			node.id = "";
+			tr = dojo.create("tr", null, b);
+			td = dojo.create("td", null, tr);
+			td.appendChild(node);
+			dojo.attr(tr, {
+				"class": "dojoDndAvatarItem",
+				style: {opacity: (9 - i) / 10}
+			});
+		}
+		this.node = a;
+	},
+	destroy: function(){
+		// summary:
+		//		destructor for the avatar; called to remove all references so it can be garbage-collected
+		dojo.destroy(this.node);
+		this.node = false;
+	},
+	update: function(){
+		// summary:
+		//		updates the avatar to reflect the current DnD state
+		dojo[(this.manager.canDropFlag ? "add" : "remove") + "Class"](this.node, "dojoDndAvatarCanDrop");
+		if (this.isA11y){
+			var icon = dojo.byId("a11yIcon");
+			var text = '+';   // assume canDrop && copy
+			if (this.manager.canDropFlag && !this.manager.copy) {
+				text = '< '; // canDrop && move 
+			}else if (!this.manager.canDropFlag && !this.manager.copy) {
+				text = "o"; //!canDrop && move
+			}else if(!this.manager.canDropFlag){
+				text = 'x';  // !canDrop && copy
+			}
+			icon.innerHTML=text;
+		}
+		// replace text
+		dojo.query(("tr.dojoDndAvatarHeader td span" +(this.isA11y ? " span" : "")), this.node).forEach(
+			function(node){
+				node.innerHTML = this._generateText();
+			}, this);
+	},
+	_generateText: function(){
+		// summary: generates a proper text to reflect copying or moving of items
+		return this.manager.nodes.length.toString();
+	}
+});
+
 }
-- 
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