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, 81 insertions, 0 deletions

diff --git a/includes/js/dojox/io/xhrMultiPart.js b/includes/js/dojox/io/xhrMultiPart.js
new file mode 100644
index 0000000..5792267
--- /dev/null
+++ b/includes/js/dojox/io/xhrMultiPart.js
@@ -0,0 +1,81 @@
+if(!dojo._hasResource["dojox.io.xhrMultiPart"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.io.xhrMultiPart"] = true;
+dojo.provide("dojox.io.xhrMultiPart");
+
+dojo.require("dojo._base.xhr");
+dojo.require("dojox.uuid.generateRandomUuid");
+
+(function(){
+	function _createPart(args, boundary){
+		if(!args["name"] && !args["content"]){
+			throw new Error("Each part of a multi-part request requires 'name' and 'content'.");
+		}
+
+		var tmp = [];
+		tmp.push("--" + boundary,
+				 "Content-Disposition: form-data; name=\"" + args.name + "\"" +
+				 (args["filename"] ? "; filename=\"" + args.filename + "\"" : ""));
+
+		if(args["contentType"]){
+			var ct = "Content-Type: " + args.contentType;
+			if(args["charset"]){
+				ct += "; Charset=" + args.charset;
+			}
+			tmp.push(ct);
+		}
+
+		if(args["contentTransferEncoding"]){
+			tmp.push("Content-Transfer-Encoding: " + args.contentTransferEncoding);
+		}
+
+		tmp.push("", args.content);
+
+		return tmp;
+	}
+
+	function _needIframe(node){
+		return (!!(dojo.query("input[type=file]", node).length));
+	}
+
+	function _partsFromNode(node, boundary){
+		// TODO: write this function!
+		var tmp = [];
+		return tmp;
+	}
+
+	dojox.io.xhrMultiPart = function(args){
+		if(!args["file"] && !args["form"]){
+			throw new Error("file or form must be provided to dojox.io.xhrMultiPart's arguments");
+		}
+
+		// unique guid as a boundary value for multipart posts
+		var boundary = dojox.uuid.generateRandomUuid();
+
+		var tmp = [];
+		var out = "";
+
+		if(args["file"]){
+			var d = (dojo.isArray(args.file) ? args.file : [args.file]);
+
+			for(var i=0; i < d.length; i++){
+				tmp = tmp.concat(_createPart(d[i], boundary));
+			}
+		}
+
+		if(args["form"]){
+			tmp = tmp.concat(_partsFromNode(args["form"], boundary));
+		}
+
+		if(tmp.length){
+			tmp.push("--"+boundary+"--", "");
+			out = tmp.join("\r\n");
+		}
+
+		return dojo.rawXhrPost(dojo.mixin(args, {
+			contentType: "multipart/form-data; boundary=" + boundary,
+			postData: out
+		}));
+	}
+})();
+
+}