initial dojo generator. moving to dojo nightly build and checking in the widget libraries as well.

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/WCM-DEV2/root@3488 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/web/scripts/ajax/src/DeferredList.js

@@ -0,0 +1,78 @@
+dojo.require("dojo.Deferred");
+
+dojo.provide("dojo.DeferredList");
+
+
+dojo.DeferredList = function (list, /* optional */fireOnOneCallback, fireOnOneErrback, consumeErrors, canceller) {
+    this.list = list;
+    this.resultList = new Array(this.list.length);
+
+    // Deferred init
+    this.chain = [];
+    this.id = this._nextId();
+    this.fired = -1;
+    this.paused = 0;
+    this.results = [null, null];
+    this.canceller = canceller;
+    this.silentlyCancelled = false;
+    
+    if (this.list.length === 0 && !fireOnOneCallback) {
+        this.callback(this.resultList);
+    }
+    
+    this.finishedCount = 0;
+    this.fireOnOneCallback = fireOnOneCallback;
+    this.fireOnOneErrback = fireOnOneErrback;
+    this.consumeErrors = consumeErrors;
+
+    var index = 0;
+    
+    var _this = this;
+    
+    dojo.lang.forEach(this.list, function(d) {
+        var _index = index;
+        //dojo.debug("add cb/errb index "+_index);
+        d.addCallback(function(r) { _this._cbDeferred(_index, true, r) });
+        d.addErrback(function(r) { _this._cbDeferred(_index, false, r) });
+        index++;
+    });
+                      
+};
+
+
+dojo.inherits(dojo.DeferredList, dojo.Deferred);
+
+dojo.lang.extend(dojo.DeferredList, {
+
+    _cbDeferred: function (index, succeeded, result) {
+        //dojo.debug("Fire "+index+" succ "+succeeded+" res "+result);
+        this.resultList[index] = [succeeded, result];
+        this.finishedCount += 1;
+        if (this.fired !== 0) {
+            if (succeeded && this.fireOnOneCallback) {
+                this.callback([index, result]);
+            } else if (!succeeded && this.fireOnOneErrback) {
+                this.errback(result);
+            } else if (this.finishedCount == this.list.length) {
+                this.callback(this.resultList);
+            }
+        }
+        if (!succeeded && this.consumeErrors) {
+            result = null;
+        }
+        return result;
+    },
+    
+    gatherResults: function (deferredList) {
+        var d = new dojo.DeferredList(deferredList, false, true, false);
+        d.addCallback(function (results) {
+            var ret = [];
+            for (var i = 0; i < results.length; i++) {
+                ret.push(results[i][1]);
+            }
+            return ret;
+        });
+        return d;
+    }
+});
+