From e44a7e37b6c7b5961adaffc62b9042b8d442938e Mon Sep 17 00:00:00 2001
From: mensonge
Date: Thu, 13 Nov 2008 09:49:11 +0000
Subject: 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
---
 includes/js/dojo/DeferredList.js | 88 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 includes/js/dojo/DeferredList.js

(limited to 'includes/js/dojo/DeferredList.js')

diff --git a/includes/js/dojo/DeferredList.js b/includes/js/dojo/DeferredList.js
new file mode 100644
index 0000000..0a77d11
--- /dev/null
+++ b/includes/js/dojo/DeferredList.js
@@ -0,0 +1,88 @@
+if(!dojo._hasResource["dojo.DeferredList"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojo.DeferredList"] = true;
+dojo.provide("dojo.DeferredList");
+dojo.declare("dojo.DeferredList", dojo.Deferred, {
+	constructor: function(/*Array*/ list, /*Boolean?*/ fireOnOneCallback, /*Boolean?*/ fireOnOneErrback, /*Boolean?*/ consumeErrors, /*Function?*/ canceller){
+		// summary:
+		//		Provides event handling for a group of Deferred objects.
+		// description:
+		//		DeferredList takes an array of existing deferreds and returns a new deferred of its own
+		//		this new deferred will typically have its callback fired when all of the deferreds in
+		//		the given list have fired their own deferreds.  The parameters `fireOnOneCallback` and
+		//		fireOnOneErrback, will fire before all the deferreds as appropriate
+		//
+		//	list:
+		//		The list of deferreds to be synchronizied with this DeferredList
+		//	fireOnOneCallback:
+		//		Will cause the DeferredLists callback to be fired as soon as any
+		//		of the deferreds in its list have been fired instead of waiting until
+		//		the entire list has finished
+		//	fireonOneErrback:
+		//		Will cause the errback to fire upon any of the deferreds errback
+		//	canceller:
+		//		A deferred canceller function, see dojo.Deferred
+		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;
+
+		dojo.forEach(this.list, function(d, index){
+			d.addCallback(this, function(r){ this._cbDeferred(index, true, r); return r; });
+			d.addErrback(this, function(r){ this._cbDeferred(index, false, r); return r; });
+		}, this);
+	},
+
+	_cbDeferred: function(index, succeeded, result){
+		// summary:
+		//	The DeferredLists' callback handler
+
+		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){
+		// summary:	
+		//	Gathers the results of the deferreds for packaging
+		//	as the parameters to the Deferred Lists' callback
+
+		var d = new dojo.DeferredList(deferredList, false, true, false);
+		d.addCallback(function(results){
+			var ret = [];
+			dojo.forEach(results, function(result){
+				ret.push(result[1]);
+			});
+			return ret;
+		});
+		return d;
+	}
+});
+
+}
-- 
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