moodle-mod_sloodle/lib/jquery/jquery.uploadify (Source).js

/*
Uploadify v1.6.2
Copyright (C) 2009 by Ronnie Garcia
Co-developed by Travis Nickels

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

var flashVer = -1;
if (navigator.plugins != null && navigator.plugins.length > 0) {
	if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
		var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
		var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
		var descArray = flashDescription.split(" ");
		var tempArrayMajor = descArray[2].split(".");			
		var versionMajor = tempArrayMajor[0];
		var versionMinor = tempArrayMajor[1];
		var versionRevision = descArray[3];
		if (versionRevision == "") {
			versionRevision = descArray[4];
		}
		if (versionRevision[0] == "d") {
			versionRevision = versionRevision.substring(1);
		} else if (versionRevision[0] == "r") {
			ersionRevision = versionRevision.substring(1);
			if (versionRevision.indexOf("d") > 0) {
				versionRevision = versionRevision.substring(0, versionRevision.indexOf("d"));
			}
		}
		var flashVer = versionMajor + "." + versionMinor	 + "." + versionRevision;
	}
} else if ( $.browser.msie ) {
	var version;
	var axo;
	var e;
	try {
		axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
		version = axo.GetVariable("$version");
	} catch (e) {
	}	
	flashVer = version.replace("WIN ","").replace(",",".");
}
flashVer = flashVer.split(".")[0];

if(jQuery)(
	function($){
		$.extend($.fn,{
			fileUpload:function(options) {
				if (flashVer >= 9) {
					$(this).each(function(){
						settings = $.extend({
						uploader:      'uploader.swf',
						script:        'uploader.php',
						folder:        '',
						height:        30,
						width:         110,
						cancelImg:     'cancel.png',
						wmode:         'opaque',
						scriptAccess:  'sameDomain',
						fileDataName:  'Filedata',
						displayData:   'percentage',
						onInit:        function() {},
						onSelect:      function() {},
						onCheck:       function() {},
						onCancel:      function() {},
						onError:       function() {},
						onProgress:    function() {},
						onComplete:    function() {}
					}, options);
					var pagePath = location.pathname;
					pagePath = pagePath.split('/');
					pagePath.pop();
					pagePath = pagePath.join('/') + '/';
					var data = '&pagepath=' + pagePath;
					if (settings.buttonImg) data += '&buttonImg=' + escape(settings.buttonImg);
					if (settings.buttonText) data += '&buttonText=' + escape(settings.buttonText);
					if (settings.rollover) data += '&rollover=true';
					data += '&script=' + settings.script;
					data += '&folder=' + escape(settings.folder);
					if (settings.scriptData) {
						var scriptDataString = '';
						for (var name in settings.scriptData) {
							scriptDataString += '&' + name + '=' + settings.scriptData[name];
						}
						data += '&scriptData=' + escape(scriptDataString); 
					}
					data += '&btnWidth=' + settings.width;
					data += '&btnHeight=' + settings.height;
					data += '&wmode=' + settings.wmode;
					if (settings.hideButton) data += '&hideButton=true';
					if (settings.fileDesc) data += '&fileDesc=' + settings.fileDesc + '&fileExt=' + settings.fileExt;
					if (settings.multi) data += '&multi=true';
					if (settings.auto) data += '&auto=true';
					if (settings.sizeLimit) data += '&sizeLimit=' + settings.sizeLimit;
					if (settings.simUploadLimit) data += '&simUploadLimit=' + settings.simUploadLimit;
					if (settings.checkScript) data += '&checkScript=' + settings.checkScript;
					if (settings.fileDataName) data += '&fileDataName=' + settings.fileDataName;
					if ($.browser.msie) {
						flashElement = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="' + settings.width + '" height="' + settings.height + '" id="' + $(this).attr("id")  + 'Uploader" class="fileUploaderBtn">\
						<param name="movie" value="' + settings.uploader + '?fileUploadID=' + $(this).attr("id") + data + '" />\
						<param name="quality" value="high" />\
						<param name="wmode" value="' + settings.wmode + '" />\
						<param name="allowScriptAccess" value="' + settings.scriptAccess + '">\
						<param name="swfversion" value="9.0.0.0" />\
						</object>';
					} else {
						flashElement = '<embed src="' + settings.uploader + '?fileUploadID=' + $(this).attr("id") + data + '" quality="high" width="' + settings.width + '" height="' + settings.height + '" id="' + $(this).attr("id") + 'Uploader" class="fileUploaderBtn" name="' + $(this).attr("id") + 'Uploader" allowScriptAccess="' + settings.scriptAccess + '" wmode="' + settings.wmode + '" type="application/x-shockwave-flash" />';
					}
					if (settings.onInit() !== false) {
						$(this).css('display','none');
						if ($.browser.msie) {
							$(this).after('<div id="' + $(this).attr("id")  + 'Uploader"></div>');
							document.getElementById($(this).attr("id")  + 'Uploader').outerHTML = flashElement;
						} else {
							$(this).after(flashElement);
						}
						$("#" + $(this).attr('id') + "Uploader").after('<div id="' + $(this).attr('id') + 'Queue" class="fileUploadQueue"></div>');
					}
					$(this).bind("rfuSelect", {'action': settings.onSelect}, function(event, queueID, fileObj) {
						if (event.data.action(event, queueID, fileObj) !== false) {
							var byteSize = Math.round(fileObj.size / 1024 * 100) * .01;
							var suffix = 'KB';
							if (byteSize > 1000) {
								byteSize = Math.round(byteSize *.001 * 100) * .01;
								suffix = 'MB';
							}
							var sizeParts = byteSize.toString().split('.');
							if (sizeParts.length > 1) {
								byteSize = sizeParts[0] + '.' + sizeParts[1].substr(0,2);
							} else {
								byteSize = sizeParts[0];
							}
							if (fileObj.name.length > 20) {
								fileName = fileObj.name.substr(0,20) + '...';
							} else {
								fileName = fileObj.name;
							}
							$('#' + $(this).attr('id') + 'Queue').append('<div id="' + $(this).attr('id') + queueID + '" class="fileUploadQueueItem">\
									<div class="cancel">\
										<a href="javascript:$(\'#' + $(this).attr('id') + '\').fileUploadCancel(\'' + queueID + '\')"><img src="' + settings.cancelImg + '" border="0" /></a>\
									</div>\
									<span class="fileName">' + fileName + ' (' + byteSize + suffix + ')</span><span class="percentage">&nbsp;</span>\
									<div class="fileUploadProgress" style="width: 100%;">\
										<div id="' + $(this).attr('id') + queueID + 'ProgressBar" class="fileUploadProgressBar" style="width: 1px; height: 3px;"></div>\
									</div>\
								</div>');
						}
					});
					if (typeof(settings.onSelectOnce) == 'function') {
						$(this).bind("rfuSelectOnce", settings.onSelectOnce);
					}
					$(this).bind("rfuCheckExist", {'action': settings.onCheck}, function(event, checkScript, fileQueue, folder, single) {
						var postData = new Object();
						postData.folder = pagePath + folder;
						for (var queueID in fileQueue) {
							postData[queueID] = fileQueue[queueID];
							if (single) {
								var singleFileID = queueID;
							}
						}
						$.post(checkScript, postData, function(data) {
							for(var key in data) {
								if (event.data.action(event, checkScript, fileQueue, folder, single) !== false) {
									var replaceFile = confirm('Do you want to replace the file \'' + data[key] + '\'?');
									if (!replaceFile) {
										document.getElementById($(event.target).attr('id') + 'Uploader').cancelFileUpload(key);
									}
								}
							}
							if (single) {
								document.getElementById($(event.target).attr('id') + 'Uploader').startFileUpload(singleFileID, true);
							} else {
								document.getElementById($(event.target).attr('id') + 'Uploader').startFileUpload(null, true);
							}
						}, "json");
					});
					$(this).bind("rfuCancel", {'action': settings.onCancel}, function(event, queueID, fileObj, data) {
						if (event.data.action(event, queueID, fileObj, data) !== false) {
							$("#" + $(this).attr('id') + queueID).fadeOut(250, function() { $("#" + $(this).attr('id') + queueID).remove()});
						}
					});
					$(this).bind("rfuClearQueue", {'action': settings.onClearQueue}, function() {
						if (event.data.action() !== false) {
							$('#' + $(this).attr('id') + 'Queue').contents().fadeOut(250, function() {$('#' + $(this).attr('id') + 'Queue').empty()});
						}
					});
					$(this).bind("rfuError", {'action': settings.onError}, function(event, queueID, fileObj, errorObj) {
						if (event.data.action(event, queueID, fileObj, errorObj) !== false) {
							$("#" + $(this).attr('id') + queueID + " .fileName").text(errorObj.type + " Error - " + fileObj.name);
							$("#" + $(this).attr('id') + queueID).css({'border': '3px solid #FBCBBC', 'background-color': '#FDE5DD'});
						}
					});
					$(this).bind("rfuProgress", {'action': settings.onProgress, 'toDisplay': settings.displayData}, function(event, queueID, fileObj, data) {
						if (event.data.action(event, queueID, fileObj, data) !== false) {
							$("#" + $(this).attr('id') + queueID + "ProgressBar").css('width', data.percentage + '%');
							if (event.data.toDisplay == 'percentage') displayData = ' - ' + data.percentage + '%';
							if (event.data.toDisplay == 'speed') displayData = ' - ' + data.speed + 'KB/s';
							if (event.data.toDisplay == null) displayData = ' ';
							$("#" + $(this).attr('id') + queueID + " .percentage").text(displayData);
						}
					});
					$(this).bind("rfuComplete", {'action': settings.onComplete}, function(event, queueID, fileObj, response, data) {
						if (event.data.action(event, queueID, fileObj, unescape(response), data) !== false) {
							$("#" + $(this).attr('id') + queueID).fadeOut(250, function() { $("#" + $(this).attr('id') + queueID).remove()});
							$("#" + $(this).attr('id') + queueID + " .percentage").text(' - Completed');
						}
					});
					if (typeof(settings.onAllComplete) == 'function') {
						$(this).bind("rfuAllComplete", settings.onAllComplete);
					}
				});
			}
		},
		fileUploadSettings:function(settingName, settingValue) {
			$(this).each(function() {
				document.getElementById($(this).attr('id') + 'Uploader').updateSettings(settingName,settingValue);
			});
		},
		fileUploadStart:function(queueID) {
			$(this).each(function() {
				document.getElementById($(this).attr('id') + 'Uploader').startFileUpload(queueID, false);
			});
		},
		fileUploadCancel:function(queueID) {
			$(this).each(function() {
				document.getElementById($(this).attr('id') + 'Uploader').cancelFileUpload(queueID);
			});
		},
		fileUploadClearQueue:function() {
			$(this).each(function() {
				document.getElementById($(this).attr('id') + 'Uploader').clearFileUploadQueue();
			});
		}
	})
})(jQuery);