New feature: basic Ajax suggestion for tags and implementation of Dojo toolkit

git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f

1 files changed, 194 insertions, 0 deletions

diff --git a/includes/js/dojo/OpenAjax.js b/includes/js/dojo/OpenAjax.js
new file mode 100644
index 0000000..32cf358
--- /dev/null
+++ b/includes/js/dojo/OpenAjax.js
@@ -0,0 +1,194 @@
+/*******************************************************************************
+ * OpenAjax.js
+ *
+ * Reference implementation of the OpenAjax Hub, as specified by OpenAjax Alliance.
+ * Specification is under development at: 
+ *
+ *   http://www.openajax.org/member/wiki/OpenAjax_Hub_Specification
+ *
+ * Copyright 2006-2007 OpenAjax Alliance
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not 
+ * use this file except in compliance with the License. You may obtain a copy 
+ * of the License at http://www.apache.org/licenses/LICENSE-2.0 . Unless 
+ * required by applicable law or agreed to in writing, software distributed 
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR 
+ * CONDITIONS OF ANY KIND, either express or implied. See the License for the 
+ * specific language governing permissions and limitations under the License.
+ *
+ ******************************************************************************/
+
+// prevent re-definition of the OpenAjax object
+if(!window["OpenAjax"]){
+	OpenAjax = new function(){
+		// summary: the OpenAjax hub
+		// description: see http://www.openajax.org/member/wiki/OpenAjax_Hub_Specification
+
+		var t = true;
+		var f = false;
+		var g = window;
+		var libs;
+		var ooh = "org.openajax.hub.";
+
+		var h = {};
+		this.hub = h;
+		h.implementer = "http://openajax.org";
+		h.implVersion = "0.6";
+		h.specVersion = "0.6";
+		h.implExtraData = {};
+		var libs = {};
+		h.libraries = libs;
+
+		h.registerLibrary = function(prefix, nsURL, version, extra){
+			libs[prefix] = {
+				prefix: prefix,
+				namespaceURI: nsURL,
+				version: version,
+				extraData: extra 
+			};
+			this.publish(ooh+"registerLibrary", libs[prefix]);
+		}
+		h.unregisterLibrary = function(prefix){
+			this.publish(ooh+"unregisterLibrary", libs[prefix]);
+			delete libs[prefix];
+		}
+
+		h._subscriptions = { c:{}, s:[] };
+		h._cleanup = [];
+		h._subIndex = 0;
+		h._pubDepth = 0;
+
+		h.subscribe = function(name, callback, scope, subscriberData, filter){
+			if(!scope){
+				scope = window;
+			}
+			var handle = name + "." + this._subIndex;
+			var sub = { scope: scope, cb: callback, fcb: filter, data: subscriberData, sid: this._subIndex++, hdl: handle };
+			var path = name.split(".");
+	 		this._subscribe(this._subscriptions, path, 0, sub);
+			return handle;
+		}
+
+		h.publish = function(name, message){
+			var path = name.split(".");
+			this._pubDepth++;
+			this._publish(this._subscriptions, path, 0, name, message);
+			this._pubDepth--;
+			if((this._cleanup.length > 0) && (this._pubDepth == 0)){
+				for(var i = 0; i < this._cleanup.length; i++){ 
+					this.unsubscribe(this._cleanup[i].hdl);
+				}
+				delete(this._cleanup);
+				this._cleanup = [];
+			}
+		}
+
+		h.unsubscribe = function(sub){
+			var path = sub.split(".");
+			var sid = path.pop();
+			this._unsubscribe(this._subscriptions, path, 0, sid);
+		}
+		
+		h._subscribe = function(tree, path, index, sub){
+			var token = path[index];
+			if(index == path.length){
+				tree.s.push(sub);
+			}else{ 
+				if(typeof tree.c == "undefined"){
+					 tree.c = {};
+				}
+				if(typeof tree.c[token] == "undefined"){
+					tree.c[token] = { c: {}, s: [] }; 
+					this._subscribe(tree.c[token], path, index + 1, sub);
+				}else{
+					this._subscribe( tree.c[token], path, index + 1, sub);
+				}
+			}
+		}
+
+		h._publish = function(tree, path, index, name, msg){
+			if(typeof tree != "undefined"){
+				var node;
+				if(index == path.length) {
+					node = tree;
+				}else{
+					this._publish(tree.c[path[index]], path, index + 1, name, msg);
+					this._publish(tree.c["*"], path, index + 1, name, msg);			
+					node = tree.c["**"];
+				}
+				if(typeof node != "undefined"){
+					var callbacks = node.s;
+					var max = callbacks.length;
+					for(var i = 0; i < max; i++){
+						if(callbacks[i].cb){
+							var sc = callbacks[i].scope;
+							var cb = callbacks[i].cb;
+							var fcb = callbacks[i].fcb;
+							var d = callbacks[i].data;
+							if(typeof cb == "string"){
+								// get a function object
+								cb = sc[cb];
+							}
+							if(typeof fcb == "string"){
+								// get a function object
+								fcb = sc[fcb];
+							}
+							if((!fcb) || 
+							   (fcb.call(sc, name, msg, d))) {
+								cb.call(sc, name, msg, d);
+							}
+						}
+					}
+				}
+			}
+		}
+			
+		h._unsubscribe = function(tree, path, index, sid) {
+			if(typeof tree != "undefined") {
+				if(index < path.length) {
+					var childNode = tree.c[path[index]];
+					this._unsubscribe(childNode, path, index + 1, sid);
+					if(childNode.s.length == 0) {
+						for(var x in childNode.c) 
+					 		return;		
+						delete tree.c[path[index]];	
+					}
+					return;
+				}
+				else {
+					var callbacks = tree.s;
+					var max = callbacks.length;
+					for(var i = 0; i < max; i++) 
+						if(sid == callbacks[i].sid) {
+							if(this._pubDepth > 0) {
+								callbacks[i].cb = null;	
+								this._cleanup.push(callbacks[i]);						
+							}
+							else
+								callbacks.splice(i, 1);
+							return; 	
+						}
+				}
+			}
+		}
+		// The following function is provided for automatic testing purposes.
+		// It is not expected to be deployed in run-time OpenAjax Hub implementations.
+		h.reinit = function()
+		{
+			for (var lib in OpenAjax.hub.libraries) {
+				delete OpenAjax.hub.libraries[lib];
+			}
+			OpenAjax.hub.registerLibrary("OpenAjax", "http://openajax.org/hub", "0.6", {});
+
+			delete OpenAjax._subscriptions;
+			OpenAjax._subscriptions = {c:{},s:[]};
+			delete OpenAjax._cleanup;
+			OpenAjax._cleanup = [];
+			OpenAjax._subIndex = 0;
+			OpenAjax._pubDepth = 0;
+		}
+	};
+	// Register the OpenAjax Hub itself as a library.
+	OpenAjax.hub.registerLibrary("OpenAjax", "http://openajax.org/hub", "0.6", {});
+
+}