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Created: Sat, Feb 1, 5:26 AM

upload_manager.js
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	function UploadsManager() {
	var $me = this;

	$(document).bind('FormManager.Form.Ready', function ($e, $prefix) {
	var $form_id = FormManager.form_param($prefix, 'form_id');

	$me.Init($form_id);
	});
	}

	UploadsManager = new UploadsManager();

	/* ==== Private Attributes ==== */
	UploadsManager._uploadersCreated = 0;
	UploadsManager._uploadersReady = 0;

	UploadsManager._debugMode = false;
	UploadsManager._Uploaders = {};

	/* ==== Private methods ==== */
	UploadsManager.iterate = function($method, $timeout) {
	var $me = this;
	var args = Array.prototype.slice.call(arguments); // convert to array

	if ($timeout !== undefined) {
	// 2nd parameter is given
	if ((Object.prototype.toString.call($timeout) === '[object String]') && $timeout.match(/^timeout:([\d]+)$/)) {
	// it's string in format "timeout:<number>"
	$timeout = parseInt(RegExp.$1);
	}
	else {
	// this is not the timeout, but 1st parameter of iteratable method
	$timeout = undefined;
	}
	}

	if ($timeout !== undefined) {
	// make delayed iteration (helps with direct innerHTML assignments in IE)
	args.splice(args.length - 1, 1); // remove timeout

	setTimeout(function() { $me.iterate.apply($me, args); }, $timeout);
	return ;
	}

	args.splice(0, 1); // remove method name

	$.each(this._Uploaders, function (index, uploader) {
	uploader[$method].apply(uploader, args);
	});
	};

	UploadsManager._hasQueue = function() {
	var has_queue = false;

	$.each(this._Uploaders, function (index, uploader) {
	var tmp = uploader.hasQueue();

	has_queue = has_queue \|\| tmp;
	});


	return has_queue;
	};

	/* ==== Public methods ==== */
	UploadsManager.Init = function ($form_id) {
	var $me = this,
	$submit_handler = function ($e) {
	if ($me._hasQueue()) {
	submitted = false;
	$e.stopImmediatePropagation();
	alert('File upload is in progress. Please cancel the upload or wait until it\'s completed.');

	return false;
	}

	return true;
	};

	if ( $form_id === undefined ) {
	$form_id = $form_name;
	}

	$('#' + $form_id).unbind('submit', $submit_handler).submit($submit_handler);
	};

	UploadsManager.AddUploader = function(id, params) {
	this.Init();

	this._Uploaders[id] = new Uploader(id, params);
	this._uploadersCreated++;
	};

	UploadsManager.RemoveUploader = function(id) {
	this._Uploaders[id].remove();
	delete this._Uploaders[id];
	this._uploadersCreated--;
	};

	/* ==== Flash event handlers ==== */
	UploadsManager.onReady = function () {
	this._uploadersReady++;

	if (this._uploadersReady == this._uploadersCreated) {
	// all uploaders are ready
	Application.processHooks('m:OnUploadersReady');
	}
	};

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