/*
Version history
1.0.2 - row 86 - added "escape" to the querystring to keep all the parameters intact
*/
function SWFUpload(settings) {
// Remove background flicker in IE
try 
{
  document.execCommand('BackgroundImageCache', false, true);
} catch(e) {}
// Generate the tags ID
this.movieName = "SWFUpload_" + SWFUpload.movieCount++;
// Load the settings.  Load the Flash movie.
this.init(settings);
this.loadFlash();
if (this.debug) 
this.debugSettings();
}
SWFUpload.movieCount = 0;
// Default error handling.
SWFUpload.handleErrors = function(errcode, file, msg) {
switch(errcode) {
case -10:	// HTTP error
alert("Error Code: HTTP Error, File name: " + file.name + ", Message: " + msg);
break;
case -20:	// No upload script specified
alert("Error Code: No upload script, File name: " + file.name + ", Message: " + msg);
break;
case -30:	// IOError
alert("Error Code: IO Error, File name: " + file.name + ", Message: " + msg);
break;
case -40:	// Security error
alert("Error Code: Security Error, File name: " + file.name + ", Message: " + msg);
break;
case -50:	// Filesize too big
alert("Error Code: Filesize exceeds limit, File name: " + file.name + ", File size: " + file.size + ", Message: " + msg);
break;
}
};
SWFUpload.prototype.init = function(settings) {
this.settings = [];
this.addSetting("debug", settings["debug"],  false);																// Turn debugging on/off
// UI settings
this.addSetting("target", settings["target"], "");																	// Target for auto-generated upload/browse links
this.addSetting("create_ui", settings["create_ui"], false);															// Auto-generate UI
this.addSetting("browse_link_class", settings["browse_link_class"], "SWFBrowseLink");								// CSS-class given to auto-generated browse link
this.addSetting("upload_link_class", settings["upload_link_class"], "SWFUploadLink");								// CSS-class given to auto-generated upload link
this.addSetting("browse_link_innerhtml", settings["browse_link_innerhtml"], "<span>Browse...</span>");				// innerHTML for generated browse link, default surround with span for easy css-styling
this.addSetting("upload_link_innerhtml", settings["upload_link_innerhtml"], "<span>Upload</span>");					// innerHTML for generated upload link, default surround with span for easy css-styling
// Callbacks
this.addSetting("flash_loaded_callback", settings["flash_loaded_callback"], "SWFUpload.flashLoaded");				// Invoked when the flash is loaded
this.addSetting("upload_file_queued_callback", settings["upload_file_queued_callback"], "");						// Invoked when each file is added to the queue
this.addSetting("upload_file_start_callback", settings["upload_file_start_callback"], "");							// Invoked when upload starts
this.addSetting("upload_file_complete_callback", settings["upload_file_complete_callback"],  "");					// Invoked when each file is completed
this.addSetting("upload_queue_complete_callback", settings["upload_queue_complete_callback"],  "");					// Invoked when upload queue is complete
this.addSetting("upload_progress_callback", settings["upload_progress_callback"],  "");								// Called with regular updates on progress..
this.addSetting("upload_dialog_cancel_callback", settings["upload_dialog_cancel_callback"],  "");					// Invoked when cancel btn in dialog is clicked
this.addSetting("upload_file_error_callback", settings["upload_file_error_callback"], "SWFUpload.handleErrors");	// Invoked on error
this.addSetting("upload_file_cancel_callback", settings["upload_file_cancel_callback"],  "");						// Invoked when a file upload is cancelled
this.addSetting("upload_queue_cancel_callback", settings["upload_queue_cancel_callback"], "");						// Invoked when upload queue is cancelled
// SWF Settings
this.addSetting("upload_script", escape(settings["upload_script"], ""));											// The file that recieves the uploaded files from flash
this.addSetting("auto_upload", settings["auto_upload"], false);														// Start upload directly or require upload button.
this.addSetting("allowed_filetypes", settings["allowed_filetypes"], "*.*");											// List of allowed filetypes
this.addSetting("allowed_filetypes_description", settings["allowed_filetypes_description"], "All files");			// Description for allowed filetypes
this.addSetting("allowed_filesize", settings["allowed_filesize"], 1024);											// Max allowed filesize
this.addSetting("flash_path", settings["flash_path"], "jscripts/SWFUpload/SWFUpload.swf");							// Path to flash-file
this.addSetting("flash_target", settings["flash_target"], "");														// Where to output the flash (not used)
this.addSetting("flash_width", settings["flash_width"], "1px");														// Flash width
this.addSetting("flash_height", settings["flash_height"], "1px");													// Flash height
this.addSetting("flash_color", settings["flash_color"], "#000000");													// Flash color
this.addSetting("upload_field_name", settings["upload_field_name"], "Filedata");									// Custom upload field name
this.debug = this.getSetting("debug");																				// Set debug
};
SWFUpload.prototype.loadFlash = function() {
var html = "";
var sb = new stringBuilder();
// Create Mozilla Embed HTML
if (navigator.plugins && navigator.mimeTypes && navigator.mimeTypes.length) {
// Build the basic embed html
sb.append('<embed type="application/x-shockwave-flash" src="' + this.getSetting("flash_path") + '" width="' + this.getSetting("flash_width") + '" height="' + this.getSetting("flash_height") + '"');
sb.append(' id="' + this.movieName + '" name="' + this.movieName + '" ');
sb.append('bgcolor="' + this.getSetting["flash_color"] + '" quality="high" wmode="transparent" menu="false" flashvars="');
sb.append(this._getFlashVars());
sb.append('" />');
// Create IE Object HTML
} else {
// Build the basic Object tag
sb.append('<object id="' + this.movieName + '" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="' + this.getSetting("flash_width") + '" height="' + this.getSetting("flash_height") + '">');
sb.append('<param name="movie" value="' + this.getSetting("flash_path") + '" />');
sb.append('<param name="bgcolor" value="#000000" />');
sb.append('<param name="quality" value="high" />');
sb.append('<param name="wmode" value="transparent" />');
sb.append('<param name="menu" value="false" />');
sb.append('<param name="flashvars" value="' + this._getFlashVars() + '" />');
sb.append('</object>');
}
// Build the DOM nodes to hold the flash;
var container = document.createElement("div");
container.style.width = "0px";
container.style.height = "0px";
container.style.position = "absolute";
container.style.top = "0px";
container.style.left = "0px";
var target_element = document.getElementsByTagName("body")[0];
if (typeof(target_element) == "undefined" || target_element == null)
return false;
var html = sb.toString();
target_element.appendChild(container);
container.innerHTML = html;
this.movieElement = document.getElementById(this.movieName);
};
SWFUpload.prototype._getFlashVars = function() {
var sb = new stringBuilder();
sb.append("uploadScript=" + this.getSetting("upload_script"));
sb.append("&allowedFiletypesDescription=" + this.getSetting("allowed_filetypes_description"))
sb.append("&flashLoadedCallback=" + this.getSetting("flash_loaded_callback"));
sb.append("&uploadFileQueuedCallback=" + this.getSetting("upload_file_queued_callback"));
sb.append("&uploadFileStartCallback=" + this.getSetting("upload_file_start_callback"));
sb.append("&uploadProgressCallback=" + this.getSetting("upload_progress_callback"));
sb.append("&uploadFileCompleteCallback=" + this.getSetting("upload_file_complete_callback"));
sb.append("&uploadQueueCompleteCallback=" + this.getSetting("upload_queue_complete_callback"));
sb.append("&uploadDialogCancelCallback=" + this.getSetting("upload_dialog_cancel_callback"));
sb.append("&uploadFileErrorCallback=" + this.getSetting("upload_file_error_callback"));
sb.append("&uploadFileCancelCallback=" + this.getSetting("upload_file_cancel_callback"));
sb.append("&uploadQueueCompleteCallback=" + this.getSetting("upload_queue_complete_callback"));
sb.append("&autoUpload=" + this.getSetting("auto_upload"));
sb.append("&allowedFiletypes=" + this.getSetting("allowed_filetypes"));
sb.append("&maximumFilesize=" + this.getSetting("allowed_filesize"));
sb.append("&uploadFieldName=" + this.getSetting("upload_field_name"));
return sb.toString();
}
// The callback method that the Flash movie will call when it has been loaded.
// This should Load the UI parts.
SWFUpload.prototype.flashLoaded = function(bool) {
this.loadUI();
if (this.debug) 
SWFUpload.debug("Flash called home and is ready.");	
};
// Load the UI elements.  Show the UI Target, build the "link" according to the settings, and hide the Degraded Target
SWFUpload.prototype.loadUI = function() {
if(this.getSetting("target") != "" && this.getSetting("target") != "fileinputs") {
var instance = this;
var target = document.getElementById(this.getSetting("target"));
// Create the link for uploading
var browselink = document.createElement("a");
browselink.className = this.getSetting("browse_link_class");
browselink.id = this.movieName + "BrowseBtn";
browselink.href = "javascript:void(0);";
browselink.onclick = function() { instance.browse(); return false; }
browselink.innerHTML = this.getSetting("browse_link_innerhtml");
target.innerHTML = "";
target.appendChild(browselink);
// Add upload btn if auto upload not used
if(this.getSetting("auto_upload") == false) {
// Create the link for uploading
var uploadlink = document.createElement("a");
uploadlink.className = this.getSetting("upload_link_class");
uploadlink.id = this.movieName + "UploadBtn";
uploadlink.href = "#";
uploadlink.onclick = function() { instance.upload(); return false; }
uploadlink.innerHTML = this.getSetting("upload_link_innerhtml");
target.appendChild(uploadlink);
}
}
};
SWFUpload.debug = function(value) {
if (window.console)
console.log(value);
else
alert(value);
}
SWFUpload.prototype.addSetting = function(name, value, default_value) {
return this.settings[name] = (typeof(value) == "undefined" || value == null) ? default_value : value;
};
SWFUpload.prototype.getSetting = function(name) {
return (typeof(this.settings[name]) == "undefined") ? null : this.settings[name];
};
SWFUpload.prototype.browse = function() {
this.movieElement.browse();
};
SWFUpload.prototype.upload = function() {
this.movieElement.upload();
}
SWFUpload.prototype.cancelFile = function(file_id) {
this.movieElement.cancelFile(file_id);
};
SWFUpload.prototype.cancelQueue = function() {
this.movieElement.cancelQueue();
};
SWFUpload.prototype.debugSettings = function() {
var sb = new stringBuilder();
sb.append("----- DEBUG SETTINGS START ----\n");
sb.append("ID: " + this.movieElement.id + "\n");
for (var key in this.settings)
sb.append(key + ": " + this.settings[key] + "\n");
sb.append("----- DEBUG SETTINGS END ----\n");
sb.append("\n");
var res = sb.toString();
SWFUpload.debug(res);
};
/* UTILS */
function stringBuilder(join) {
this._strings = new Array;
this._join = (typeof join == "undefined") ? "" : join;
stringBuilder.prototype.append = function(str) {
this._strings.push(str);
};
stringBuilder.prototype.toString = function() {
return this._strings.join(this._join);
};
};