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/*
YUI 3.17.2 (build 9c3c78e)
Copyright 2014 Yahoo! Inc. All rights reserved.
Licensed under the BSD License.
http://yuilibrary.com/license/
*/
YUI.add('uploader-flash', function (Y, NAME) {
/**
* This module provides a UI for file selection and multiple file upload capability using
* Flash as a transport engine.
* The supported features include: automatic upload queue management, upload progress
* tracking, file filtering, server response retrieval and error reporting.
*
* @module uploader-flash
* @deprecated
*/
// Shorthands for external modules
var substitute = Y.Lang.sub,
UploaderQueue = Y.Uploader.Queue;
/**
* Embed a Flash applications in a standard manner and communicate with it
* via External Interface.
* @module swf
*/
var Event = Y.Event,
SWFDetect = Y.SWFDetect,
Lang = Y.Lang,
uA = Y.UA,
Node = Y.Node,
Escape = Y.Escape,
// private
FLASH_CID = "clsid:d27cdb6e-ae6d-11cf-96b8-444553540000",
FLASH_TYPE = "application/x-shockwave-flash",
FLASH_VER = "10.0.22",
EXPRESS_INSTALL_URL = "http://fpdownload.macromedia.com/pub/flashplayer/update/current/swf/autoUpdater.swf?" + Math.random(),
EVENT_HANDLER = "SWF.eventHandler",
possibleAttributes = {align:"", allowFullScreen:"", allowNetworking:"", allowScriptAccess:"", base:"", bgcolor:"", loop:"", menu:"", name:"", play: "", quality:"", salign:"", scale:"", tabindex:"", wmode:""};
/**
* The SWF utility is a tool for embedding Flash applications in HTML pages.
* @module swf
* @title SWF Utility
* @requires event-custom, node, swfdetect
*/
/**
* Creates the SWF instance and keeps the configuration data
*
* @class SWF
* @uses Y.Event.Target
* @constructor
* @param {String|HTMLElement} id The id of the element, or the element itself that the SWF will be inserted into.
* The width and height of the SWF will be set to the width and height of this container element.
* @param {String} swfURL The URL of the SWF to be embedded into the page.
* @param {Object} p_oAttributes (optional) Configuration parameters for the Flash application and values for Flashvars
* to be passed to the SWF. The p_oAttributes object allows the following additional properties:
* <dl>
* <dt>version : String</dt>
* <dd>The minimum version of Flash required on the user's machine.</dd>
* <dt>fixedAttributes : Object</dt>
* <dd>An object literal containing one or more of the following String keys and their values: <code>align,
* allowFullScreen, allowNetworking, allowScriptAccess, base, bgcolor, menu, name, quality, salign, scale,
* tabindex, wmode.</code> event from the thumb</dd>
* </dl>
*/
function SWF (p_oElement /*:String*/, swfURL /*:String*/, p_oAttributes /*:Object*/ ) {
this._id = Y.guid("yuiswf");
var _id = this._id;
var oElement = Node.one(p_oElement);
var p_oAttributes = p_oAttributes || {};
var flashVersion = p_oAttributes.version || FLASH_VER;
var flashVersionSplit = (flashVersion + '').split(".");
var isFlashVersionRight = SWFDetect.isFlashVersionAtLeast(parseInt(flashVersionSplit[0], 10), parseInt(flashVersionSplit[1], 10), parseInt(flashVersionSplit[2], 10));
var canExpressInstall = (SWFDetect.isFlashVersionAtLeast(8,0,0));
var shouldExpressInstall = canExpressInstall && !isFlashVersionRight && p_oAttributes.useExpressInstall;
var flashURL = (shouldExpressInstall)?EXPRESS_INSTALL_URL:swfURL;
var objstring = '<object ';
var w, h;
var flashvarstring = "yId=" + Y.id + "&YUISwfId=" + _id + "&YUIBridgeCallback=" + EVENT_HANDLER + "&allowedDomain=" + document.location.hostname;
Y.SWF._instances[_id] = this;
if (oElement && (isFlashVersionRight || shouldExpressInstall) && flashURL) {
objstring += 'id="' + _id + '" ';
if (uA.ie) {
objstring += 'classid="' + FLASH_CID + '" ';
} else {
objstring += 'type="' + FLASH_TYPE + '" data="' + Escape.html(flashURL) + '" ';
}
w = "100%";
h = "100%";
objstring += 'width="' + w + '" height="' + h + '">';
if (uA.ie) {
objstring += '<param name="movie" value="' + Escape.html(flashURL) + '"/>';
}
for (var attribute in p_oAttributes.fixedAttributes) {
if (possibleAttributes.hasOwnProperty(attribute)) {
objstring += '<param name="' + Escape.html(attribute) + '" value="' + Escape.html(p_oAttributes.fixedAttributes[attribute]) + '"/>';
}
}
for (var flashvar in p_oAttributes.flashVars) {
var fvar = p_oAttributes.flashVars[flashvar];
if (Lang.isString(fvar)) {
flashvarstring += "&" + Escape.html(flashvar) + "=" + Escape.html(encodeURIComponent(fvar));
}
}
if (flashvarstring) {
objstring += '<param name="flashVars" value="' + flashvarstring + '"/>';
}
objstring += "</object>";
//using innerHTML as setHTML/setContent causes some issues with ExternalInterface for IE versions of the player
oElement.set("innerHTML", objstring);
this._swf = Node.one("#" + _id);
} else {
/**
* Fired when the Flash player version on the user's machine is
* below the required value.
*
* @event wrongflashversion
*/
var event = {};
event.type = "wrongflashversion";
this.publish("wrongflashversion", {fireOnce:true});
this.fire("wrongflashversion", event);
}
}
/**
* @private
* The static collection of all instances of the SWFs on the page.
* @property _instances
* @type Object
*/
SWF._instances = SWF._instances || {};
/**
* @private
* Handles an event coming from within the SWF and delegate it
* to a specific instance of SWF.
* @method eventHandler
* @param swfid {String} the id of the SWF dispatching the event
* @param event {Object} the event being transmitted.
*/
SWF.eventHandler = function (swfid, event) {
SWF._instances[swfid]._eventHandler(event);
};
SWF.prototype = {
/**
* @private
* Propagates a specific event from Flash to JS.
* @method _eventHandler
* @param event {Object} The event to be propagated from Flash.
*/
_eventHandler: function(event) {
if (event.type === "swfReady") {
this.publish("swfReady", {fireOnce:true});
this.fire("swfReady", event);
} else if(event.type === "log") {
} else {
this.fire(event.type, event);
}
},
/**
* Calls a specific function exposed by the SWF's
* ExternalInterface.
* @method callSWF
* @param func {String} the name of the function to call
* @param args {Array} the set of arguments to pass to the function.
*/
callSWF: function (func, args)
{
if (!args) {
args= [];
}
if (this._swf._node[func]) {
return(this._swf._node[func].apply(this._swf._node, args));
} else {
return null;
}
},
/**
* Public accessor to the unique name of the SWF instance.
*
* @method toString
* @return {String} Unique name of the SWF instance.
*/
toString: function()
{
return "SWF " + this._id;
}
};
Y.augment(SWF, Y.EventTarget);
Y.SWF = SWF;
/**
* The FileFlash class provides a wrapper for a file pointer stored in Flash. The File wrapper
* also implements the mechanics for uploading a file and tracking its progress.
* @module file-flash
*/
/**
* The class provides a wrapper for a file pointer in Flash.
* @class FileFlash
* @extends Base
* @constructor
* @param {Object} config Configuration object.
*/
var FileFlash = function(o) {
FileFlash.superclass.constructor.apply(this, arguments);
};
Y.extend(FileFlash, Y.Base, {
/**
* Construction logic executed during FileFlash instantiation.
*
* @method initializer
* @protected
*/
initializer : function (cfg) {
if (!this.get("id")) {
this._set("id", Y.guid("file"));
}
},
/**
* Handler of events dispatched by the Flash player.
*
* @method _swfEventHandler
* @param {Event} event The event object received from the Flash player.
* @protected
*/
_swfEventHandler: function (event) {
if (event.id === this.get("id")) {
switch (event.type) {
/**
* Signals that this file's upload has started.
*
* @event uploadstart
* @param event {Event} The event object for the `uploadstart` with the
* following payload:
* <dl>
* <dt>uploader</dt>
* <dd>The Y.SWF instance of Flash uploader that's handling the upload.</dd>
* </dl>
*/
case "uploadstart":
this.fire("uploadstart", {uploader: this.get("uploader")});
break;
case "uploadprogress":
/**
* Signals that progress has been made on the upload of this file.
*
* @event uploadprogress
* @param event {Event} The event object for the `uploadprogress` with the
* following payload:
* <dl>
* <dt>originEvent</dt>
* <dd>The original event fired by the Flash uploader instance.</dd>
* <dt>bytesLoaded</dt>
* <dd>The number of bytes of the file that has been uploaded.</dd>
* <dt>bytesTotal</dt>
* <dd>The total number of bytes in the file (the file size)</dd>
* <dt>percentLoaded</dt>
* <dd>The fraction of the file that has been uploaded, out of 100.</dd>
* </dl>
*/
this.fire("uploadprogress", {originEvent: event,
bytesLoaded: event.bytesLoaded,
bytesTotal: event.bytesTotal,
percentLoaded: Math.min(100, Math.round(10000*event.bytesLoaded/event.bytesTotal)/100)
});
this._set("bytesUploaded", event.bytesLoaded);
break;
case "uploadcomplete":
/**
* Signals that this file's upload has completed, but data has not yet been received from the server.
*
* @event uploadfinished
* @param event {Event} The event object for the `uploadfinished` with the
* following payload:
* <dl>
* <dt>originEvent</dt>
* <dd>The original event fired by the Flash player instance.</dd>
* </dl>
*/
this.fire("uploadfinished", {originEvent: event});
break;
case "uploadcompletedata":
/**
* Signals that this file's upload has completed and data has been received from the server.
*
* @event uploadcomplete
* @param event {Event} The event object for the `uploadcomplete` with the
* following payload:
* <dl>
* <dt>originEvent</dt>
* <dd>The original event fired by the Flash player instance.</dd>
* <dt>data</dt>
* <dd>The data returned by the server.</dd>
* </dl>
*/
this.fire("uploadcomplete", {originEvent: event,
data: event.data});
break;
case "uploadcancel":
/**
* Signals that this file's upload has been cancelled.
*
* @event uploadcancel
* @param event {Event} The event object for the `uploadcancel` with the
* following payload:
* <dl>
* <dt>originEvent</dt>
* <dd>The original event fired by the Flash player instance.</dd>
* </dl>
*/
this.fire("uploadcancel", {originEvent: event});
break;
case "uploaderror":
/**
* Signals that this file's upload has encountered an error.
*
* @event uploaderror
* @param event {Event} The event object for the `uploaderror` with the
* following payload:
* <dl>
* <dt>originEvent</dt>
* <dd>The original event fired by the Flash player instance.</dd>
* <dt>status</dt>
* <dd>The status code reported by the Flash Player. If it's an HTTP error,
* then this corresponds to the HTTP status code received by the uploader.</dd>
* <dt>statusText</dt>
* <dd>The text of the error event reported by the Flash Player.</dd>
* <dt>source</dt>
* <dd>Either "http" (if it's an HTTP error), or "io" (if it's a network transmission
* error.)</dd>
* </dl>
*/
this.fire("uploaderror", {originEvent: event, status: event.status, statusText: event.message, source: event.source});
}
}
},
/**
* Starts the upload of a specific file.
*
* @method startUpload
* @param url {String} The URL to upload the file to.
* @param parameters {Object} (optional) A set of key-value pairs to send as variables along with the file upload HTTP request.
* @param fileFieldName {String} (optional) The name of the POST variable that should contain the uploaded file ('Filedata' by default)
*/
startUpload: function(url, parameters, fileFieldName) {
if (this.get("uploader")) {
var myUploader = this.get("uploader"),
fileField = fileFieldName || "Filedata",
id = this.get("id"),
params = parameters || null;
this._set("bytesUploaded", 0);
myUploader.on("uploadstart", this._swfEventHandler, this);
myUploader.on("uploadprogress", this._swfEventHandler, this);
myUploader.on("uploadcomplete", this._swfEventHandler, this);
myUploader.on("uploadcompletedata", this._swfEventHandler, this);
myUploader.on("uploaderror", this._swfEventHandler, this);
myUploader.callSWF("upload", [id, url, params, fileField]);
}
},
/**
* Cancels the upload of a specific file, if currently in progress.
*
* @method cancelUpload
*/
cancelUpload: function () {
if (this.get("uploader")) {
this.get("uploader").callSWF("cancel", [this.get("id")]);
this.fire("uploadcancel");
}
}
}, {
/**
* The identity of the class.
*
* @property NAME
* @type String
* @default 'file'
* @readOnly
* @protected
* @static
*/
NAME: 'file',
/**
* The type of transport.
*
* @property TYPE
* @type String
* @default 'flash'
* @readOnly
* @protected
* @static
*/
TYPE: "flash",
/**
* Static property used to define the default attribute configuration of
* the File.
*
* @property ATTRS
* @type {Object}
* @protected
* @static
*/
ATTRS: {
/**
* A String containing the unique id of the file wrapped by the FileFlash instance.
* The id is supplied by the Flash player uploader.
*
* @attribute id
* @type {String}
* @initOnly
*/
id: {
writeOnce: "initOnly",
value: null
},
/**
* The size of the file wrapped by FileFlash. This value is supplied by the Flash player uploader.
*
* @attribute size
* @type {Number}
* @initOnly
*/
size: {
writeOnce: "initOnly",
value: 0
},
/**
* The name of the file wrapped by FileFlash. This value is supplied by the Flash player uploader.
*
* @attribute name
* @type {String}
* @initOnly
*/
name: {
writeOnce: "initOnly",
value: null
},
/**
* The date that the file wrapped by FileFlash was created on. This value is supplied by the Flash player uploader.
*
* @attribute dateCreated
* @type {Date}
* @initOnly
*/
dateCreated: {
writeOnce: "initOnly",
value: null
},
/**
* The date that the file wrapped by FileFlash was last modified on. This value is supplied by the Flash player uploader.
*
* @attribute dateModified
* @type {Date}
* @initOnly
*/
dateModified: {
writeOnce: "initOnly",
value: null
},
/**
* The number of bytes of the file that has been uploaded to the server. This value is
* non-zero only while a file is being uploaded.
*
* @attribute bytesUploaded
* @type {Date}
* @readOnly
*/
bytesUploaded: {
readOnly: true,
value: 0
},
/**
* The type of the file wrapped by FileFlash. This value is provided by the Flash player
* uploader.
*
* @attribute type
* @type {String}
* @initOnly
*/
type: {
writeOnce: "initOnly",
value: null
},
/**
* The instance of Y.SWF wrapping the Flash player uploader associated with this file.
*
* @attribute uploder
* @type {SWF}
* @initOnly
*/
uploader: {
writeOnce: "initOnly",
value: null
}
}
});
Y.FileFlash = FileFlash;
/**
* This module provides a UI for file selection and multiple file upload capability
* using Flash as a transport engine.
* @class UploaderFlash
* @extends Widget
* @param {Object} config Configuration object.
* @constructor
* @deprecated
*/
function UploaderFlash() {
UploaderFlash.superclass.constructor.apply ( this, arguments );
}
Y.UploaderFlash = Y.extend(UploaderFlash, Y.Widget, {
/**
* Stored value of the current button state (based on
* mouse events dispatched by the Flash player)
* @property _buttonState
* @type {String}
* @protected
*/
_buttonState: "up",
/**
* Stored value of the current button focus state (based
* on keyboard and mouse events).
* @property _buttonFocus
* @type {Boolean}
* @protected
*/
_buttonFocus: false,
/**
* Stored value of the unique id for the container that holds the
* Flash uploader.
*
* @property _swfContainerId
* @type {String}
* @protected
*/
_swfContainerId: null,
/**
* Stored reference to the instance of SWF used to host the
* Flash uploader.
*
* @property _swfReference
* @type {SWF}
* @protected
*/
_swfReference: null,
/**
* Stored reference to the instance of Uploader.Queue used to manage
* the upload process. This is a read-only property that only exists
* during an active upload process. Only one queue can be active at
* a time; if an upload start is attempted while a queue is active,
* it will be ignored.
*
* @property queue
* @type {Uploader.Queue}
*/
queue: null,
/**
* Stored event bindings for keyboard navigation to and from the uploader.
*
* @property _tabElementBindings
* @type {Object}
* @protected
*/
_tabElementBindings: null,
/**
* Construction logic executed during UploaderFlash instantiation.
*
* @method initializer
* @protected
*/
initializer : function () {
// Assign protected variable values
this._swfContainerId = Y.guid("uploader");
this._swfReference = null;
this.queue = null;
this._buttonState = "up";
this._buttonFocus = null;
this._tabElementBindings = null;
this._fileList = [];
// Publish available events
/**
* Signals that files have been selected.
*
* @event fileselect
* @param event {Event} The event object for the `fileselect` with the
* following payload:
* <dl>
* <dt>fileList</dt>
* <dd>An `Array` of files selected by the user, encapsulated
* in Y.FileFlash objects.</dd>
* </dl>
*/
this.publish("fileselect");
/**
* Signals that an upload of multiple files has been started.
*
* @event uploadstart
* @param event {Event} The event object for the `uploadstart`.
*/
this.publish("uploadstart");
/**
* Signals that an upload of a specific file has started.
*
* @event fileuploadstart
* @param event {Event} The event object for the `fileuploadstart` with the
* following payload:
* <dl>
* <dt>file</dt>
* <dd>A reference to the Y.File that dispatched the event.</dd>
* <dt>originEvent</dt>
* <dd>The original event dispatched by Y.File.</dd>
* </dl>
*/
this.publish("fileuploadstart");
/**
* Reports on upload progress of a specific file.
*
* @event uploadprogress
* @param event {Event} The event object for the `uploadprogress` with the
* following payload:
* <dl>
* <dt>bytesLoaded</dt>
* <dd>The number of bytes of the file that has been uploaded</dd>
* <dt>bytesTotal</dt>
* <dd>The total number of bytes in the file</dd>
* <dt>percentLoaded</dt>
* <dd>The fraction of the file that has been uploaded, out of 100</dd>
* <dt>originEvent</dt>
* <dd>The original event dispatched by the SWF uploader</dd>
* </dl>
*/
this.publish("uploadprogress");
/**
* Reports on the total upload progress of the file list.
*
* @event totaluploadprogress
* @param event {Event} The event object for the `totaluploadprogress` with the
* following payload:
* <dl>
* <dt>bytesLoaded</dt>
* <dd>The number of bytes of the file list that has been uploaded</dd>
* <dt>bytesTotal</dt>
* <dd>The total number of bytes in the file list</dd>
* <dt>percentLoaded</dt>
* <dd>The fraction of the file list that has been uploaded, out of 100</dd>
* </dl>
*/
this.publish("totaluploadprogress");
/**
* Signals that a single file upload has been completed.
*
* @event uploadcomplete
* @param event {Event} The event object for the `uploadcomplete` with the
* following payload:
* <dl>
* <dt>file</dt>
* <dd>The pointer to the instance of `Y.File` whose upload has been completed.</dd>
* <dt>originEvent</dt>
* <dd>The original event fired by the SWF Uploader</dd>
* <dt>data</dt>
* <dd>Data returned by the server.</dd>
* </dl>
*/
this.publish("uploadcomplete");
/**
* Signals that the upload process of the entire file list has been completed.
*
* @event alluploadscomplete
* @param event {Event} The event object for the `alluploadscomplete`.
*/
this.publish("alluploadscomplete");
/**
* Signals that a error has occurred in a specific file's upload process.
*
* @event uploaderror
* @param event {Event} The event object for the `uploaderror` with the
* following payload:
* <dl>
* <dt>originEvent</dt>
* <dd>The original error event fired by the SWF Uploader. </dd>
* <dt>file</dt>
* <dd>The pointer at the instance of Y.FileFlash that returned the error.</dd>
* <dt>source</dt>
* <dd>The source of the upload error, either "io" or "http"</dd>
* <dt>message</dt>
* <dd>The message that accompanied the error. Corresponds to the text of
* the error in cases where source is "io", and to the HTTP status for
cases where source is "http".</dd>
* </dl>
*/
this.publish("uploaderror");
/**
* Signals that a mouse has begun hovering over the `Select Files` button.
*
* @event mouseenter
* @param event {Event} The event object for the `mouseenter` event.
*/
this.publish("mouseenter");
/**
* Signals that a mouse has stopped hovering over the `Select Files` button.
*
* @event mouseleave
* @param event {Event} The event object for the `mouseleave` event.
*/
this.publish("mouseleave");
/**
* Signals that a mouse button has been pressed over the `Select Files` button.
*
* @event mousedown
* @param event {Event} The event object for the `mousedown` event.
*/
this.publish("mousedown");
/**
* Signals that a mouse button has been released over the `Select Files` button.
*
* @event mouseup
* @param event {Event} The event object for the `mouseup` event.
*/
this.publish("mouseup");
/**
* Signals that a mouse has been clicked over the `Select Files` button.
*
* @event click
* @param event {Event} The event object for the `click` event.
*/
this.publish("click");
},
/**
* Creates the DOM structure for the UploaderFlash.
* UploaderFlash's DOM structure consists of two layers: the base "Select Files"
* button that can be replaced by the developer's widget of choice; and a transparent
* Flash overlay positoned above the button that captures all input events.
* The `position` style attribute of the `boundingBox` of the `Uploader` widget
* is forced to be `relative`, in order to accommodate the Flash player overlay
* (which is `position`ed `absolute`ly).
*
* @method renderUI
* @protected
*/
renderUI : function () {
var boundingBox = this.get("boundingBox"),
contentBox = this.get('contentBox'),
selFilesButton = this.get("selectFilesButton"),
flashContainer = Y.Node.create(substitute(UploaderFlash.FLASH_CONTAINER, {
swfContainerId: this._swfContainerId
})),
params = {
version: "10.0.45",
fixedAttributes: {
wmode: "transparent",
allowScriptAccess:"always",
allowNetworking:"all",
scale: "noscale"
}
};
boundingBox.setStyle("position", "relative");
selFilesButton.setStyles({width: "100%", height: "100%"});
contentBox.append(selFilesButton);
contentBox.append(flashContainer);
this._swfReference = new Y.SWF(flashContainer, this.get("swfURL"), params);
},
/**
* Binds handlers to the UploaderFlash UI events and propagates attribute
* values to the Flash player.
* The propagation of initial values is set to occur once the Flash player
* instance is ready (as indicated by the `swfReady` event.)
*
* @method bindUI
* @protected
*/
bindUI : function () {
this._swfReference.on("swfReady", function () {
this._setMultipleFiles();
this._setFileFilters();
this._triggerEnabled();
this._attachTabElements();
this.after("multipleFilesChange", this._setMultipleFiles, this);
this.after("fileFiltersChange", this._setFileFilters, this);
this.after("enabledChange", this._triggerEnabled, this);
this.after("tabElementsChange", this._attachTabElements);
}, this);
this._swfReference.on("fileselect", this._updateFileList, this);
// this._swfReference.on("trace", function (ev) {console.log(ev.message);});
this._swfReference.on("mouseenter", function () {
this.fire("mouseenter");
this._setButtonClass("hover", true);
if (this._buttonState === "down") {
this._setButtonClass("active", true);
}
}, this);
this._swfReference.on("mouseleave", function () {
this.fire("mouseleave");
this._setButtonClass("hover", false);
this._setButtonClass("active", false);
}, this);
this._swfReference.on("mousedown", function () {
this.fire("mousedown");
this._buttonState = "down";
this._setButtonClass("active", true);
}, this);
this._swfReference.on("mouseup", function () {
this.fire("mouseup");
this._buttonState = "up";
this._setButtonClass("active", false);
}, this);
this._swfReference.on("click", function () {
this.fire("click");
this._buttonFocus = true;
this._setButtonClass("focus", true);
Y.one("body").focus();
this._swfReference._swf.focus();
}, this);
},
/**
* Attaches keyboard bindings to enabling tabbing to and from the instance of the Flash
* player in the Uploader widget. If the previous and next elements are specified, the
* keyboard bindings enable the user to tab from the `tabElements["from"]` node to the
* Flash-powered "Select Files" button, and to the `tabElements["to"]` node.
*
* @method _attachTabElements
* @protected
* @param ev {Event} Optional event payload if called as a `tabElementsChange` handler.
*/
_attachTabElements : function () {
if (this.get("tabElements") !== null && this.get("tabElements").from !== null && this.get("tabElements").to !== null) {
if (this._tabElementBindings !== null) {
this._tabElementBindings.from.detach();
this._tabElementBindings.to.detach();
this._tabElementBindings.tabback.detach();
this._tabElementBindings.tabforward.detach();
this._tabElementBindings.focus.detach();
this._tabElementBindings.blur.detach();
}
else {
this._tabElementBindings = {};
}
var fromElement = Y.one(this.get("tabElements").from),
toElement = Y.one(this.get("tabElements").to);
this._tabElementBindings.from = fromElement.on("keydown", function (ev) {
if (ev.keyCode === 9 && !ev.shiftKey) {
ev.preventDefault();
this._swfReference._swf.setAttribute("tabindex", 0);
this._swfReference._swf.setAttribute("role", "button");
this._swfReference._swf.setAttribute("aria-label", this.get("selectButtonLabel"));
this._swfReference._swf.focus();
}
}, this);
this._tabElementBindings.to = toElement.on("keydown", function (ev) {
if (ev.keyCode === 9 && ev.shiftKey) {
ev.preventDefault();
this._swfReference._swf.setAttribute("tabindex", 0);
this._swfReference._swf.setAttribute("role", "button");
this._swfReference._swf.setAttribute("aria-label", this.get("selectButtonLabel"));
this._swfReference._swf.focus();
}
}, this);
this._tabElementBindings.tabback = this._swfReference.on("tabback", function () {
this._swfReference._swf.blur();
setTimeout(function () {
fromElement.focus();
}, 30);
}, this);
this._tabElementBindings.tabforward = this._swfReference.on("tabforward", function () {
this._swfReference._swf.blur();
setTimeout(function () {
toElement.focus();
}, 30);
}, this);
this._tabElementBindings.focus = this._swfReference._swf.on("focus", function () {
this._buttonFocus = true;
this._setButtonClass("focus", true);
}, this);
this._tabElementBindings.blur = this._swfReference._swf.on("blur", function () {
this._buttonFocus = false;
this._setButtonClass("focus", false);
}, this);
}
else if (this._tabElementBindings !== null) {
this._tabElementBindings.from.detach();
this._tabElementBindings.to.detach();
this._tabElementBindings.tabback.detach();
this._tabElementBindings.tabforward.detach();
this._tabElementBindings.focus.detach();
this._tabElementBindings.blur.detach();
}
},
/**
* Adds or removes a specified state CSS class to the underlying uploader button.
*
* @method _setButtonClass
* @protected
* @param state {String} The name of the state enumerated in `buttonClassNames` attribute
* from which to derive the needed class name.
* @param add {Boolean} A Boolean indicating whether to add or remove the class.
*/
_setButtonClass : function (state, add) {
if (add) {
this.get("selectFilesButton").addClass(this.get("buttonClassNames")[state]);
}
else {
this.get("selectFilesButton").removeClass(this.get("buttonClassNames")[state]);
}
},
/**
* Syncs the state of the `fileFilters` attribute between the instance of UploaderFlash
* and the Flash player.
*
* @method _setFileFilters
* @private
*/
_setFileFilters : function () {
if (this._swfReference && this.get("fileFilters").length > 0) {
this._swfReference.callSWF("setFileFilters", [this.get("fileFilters")]);
}
},
/**
* Syncs the state of the `multipleFiles` attribute between this class
* and the Flash uploader.
*
* @method _setMultipleFiles
* @private
*/
_setMultipleFiles : function () {
if (this._swfReference) {
this._swfReference.callSWF("setAllowMultipleFiles", [this.get("multipleFiles")]);
}
},
/**
* Syncs the state of the `enabled` attribute between this class
* and the Flash uploader.
*
* @method _triggerEnabled
* @private
*/
_triggerEnabled : function () {
if (this.get("enabled")) {
this._swfReference.callSWF("enable");
this._swfReference._swf.setAttribute("aria-disabled", "false");
this._setButtonClass("disabled", false);
}
else {
this._swfReference.callSWF("disable");
this._swfReference._swf.setAttribute("aria-disabled", "true");
this._setButtonClass("disabled", true);
}
},
/**
* Getter for the `fileList` attribute
*
* @method _getFileList
* @private
*/
_getFileList : function () {
return this._fileList.concat();
},
/**
* Setter for the `fileList` attribute
*
* @method _setFileList
* @private
*/
_setFileList : function (val) {
this._fileList = val.concat();
return this._fileList.concat();
},
/**
* Adjusts the content of the `fileList` based on the results of file selection
* and the `appendNewFiles` attribute. If the `appendNewFiles` attribute is true,
* then selected files are appended to the existing list; otherwise, the list is
* cleared and populated with the newly selected files.
*
* @method _updateFileList
* @param ev {Event} The file selection event received from the uploader.
* @private
*/
_updateFileList : function (ev) {
Y.one("body").focus();
this._swfReference._swf.focus();
var newfiles = ev.fileList,
fileConfObjects = [],
parsedFiles = [],
swfRef = this._swfReference,
filterFunc = this.get("fileFilterFunction"),
oldfiles;
Y.each(newfiles, function (value) {
var newFileConf = {};
newFileConf.id = value.fileId;
newFileConf.name = value.fileReference.name;
newFileConf.size = value.fileReference.size;
newFileConf.type = value.fileReference.type;
newFileConf.dateCreated = value.fileReference.creationDate;
newFileConf.dateModified = value.fileReference.modificationDate;
newFileConf.uploader = swfRef;
fileConfObjects.push(newFileConf);
});
if (filterFunc) {
Y.each(fileConfObjects, function (value) {
var newfile = new Y.FileFlash(value);
if (filterFunc(newfile)) {
parsedFiles.push(newfile);
}
});
}
else {
Y.each(fileConfObjects, function (value) {
parsedFiles.push(new Y.FileFlash(value));
});
}
if (parsedFiles.length > 0) {
oldfiles = this.get("fileList");
this.set("fileList",
this.get("appendNewFiles") ? oldfiles.concat(parsedFiles) : parsedFiles );
this.fire("fileselect", { fileList: parsedFiles });
}
},
/**
* Handles and retransmits events fired by `Y.FileFlash` and `Y.Uploader.Queue`.
*
* @method _uploadEventHandler
* @param event The event dispatched during the upload process.
* @private
*/
_uploadEventHandler : function (event) {
switch (event.type) {
case "file:uploadstart":
this.fire("fileuploadstart", event);
break;
case "file:uploadprogress":
this.fire("uploadprogress", event);
break;
case "uploaderqueue:totaluploadprogress":
this.fire("totaluploadprogress", event);
break;
case "file:uploadcomplete":
this.fire("uploadcomplete", event);
break;
case "uploaderqueue:alluploadscomplete":
this.queue = null;
this.fire("alluploadscomplete", event);
break;
case "file:uploaderror": //overflow intentional
case "uploaderqueue:uploaderror":
this.fire("uploaderror", event);
break;
case "file:uploadcancel": // overflow intentional
case "uploaderqueue:uploadcancel":
this.fire("uploadcancel", event);
break;
}
},
/**
* Starts the upload of a specific file.
*
* @method upload
* @param file {FileFlash} Reference to the instance of the file to be uploaded.
* @param url {String} The URL to upload the file to.
* @param [postVars] {Object} A set of key-value pairs to send as variables along with the file upload HTTP request.
* If not specified, the values from the attribute `postVarsPerFile` are used instead.
*/
upload : function (file, url, postvars) {
var uploadURL = url || this.get("uploadURL"),
postVars = postvars || this.get("postVarsPerFile"),
fileId = file.get("id");
postVars = postVars.hasOwnProperty(fileId) ? postVars[fileId] : postVars;
if (file instanceof Y.FileFlash) {
file.on("uploadstart", this._uploadEventHandler, this);
file.on("uploadprogress", this._uploadEventHandler, this);
file.on("uploadcomplete", this._uploadEventHandler, this);
file.on("uploaderror", this._uploadEventHandler, this);
file.on("uploadcancel", this._uploadEventHandler, this);
file.startUpload(uploadURL, postVars, this.get("fileFieldName"));
}
},
/**
* Starts the upload of all files on the file list, using an automated queue.
*
* @method uploadAll
* @param url {String} The URL to upload the files to.
* @param [postVars] {Object} A set of key-value pairs to send as variables along with the file upload HTTP request.
* If not specified, the values from the attribute `postVarsPerFile` are used instead.
*/
uploadAll : function (url, postvars) {
this.uploadThese(this.get("fileList"), url, postvars);
},
/**
* Starts the upload of the files specified in the first argument, using an automated queue.
*
* @method uploadThese
* @param files {Array} The list of files to upload.
* @param url {String} The URL to upload the files to.
* @param [postVars] {Object} A set of key-value pairs to send as variables along with the file upload HTTP request.
* If not specified, the values from the attribute `postVarsPerFile` are used instead.
*/
uploadThese : function (files, url, postvars) {
if (!this.queue) {
var uploadURL = url || this.get("uploadURL"),
postVars = postvars || this.get("postVarsPerFile");
this.queue = new UploaderQueue({
simUploads: this.get("simLimit"),
errorAction: this.get("errorAction"),
fileFieldName: this.get("fileFieldName"),
fileList: files,
uploadURL: uploadURL,
perFileParameters: postVars,
retryCount: this.get("retryCount")
});
this.queue.on("uploadstart", this._uploadEventHandler, this);
this.queue.on("uploadprogress", this._uploadEventHandler, this);
this.queue.on("totaluploadprogress", this._uploadEventHandler, this);
this.queue.on("uploadcomplete", this._uploadEventHandler, this);
this.queue.on("alluploadscomplete", this._uploadEventHandler, this);
this.queue.on("alluploadscancelled", function () {this.queue = null;}, this);
this.queue.on("uploaderror", this._uploadEventHandler, this);
this.queue.startUpload();
this.fire("uploadstart");
}
}
},
{
/**
* The template for the Flash player container. Since the Flash player container needs
* to completely overlay the &lquot;Select Files&rqot; control, it's positioned absolutely,
* with width and height set to 100% of the parent.
*
* @property FLASH_CONTAINER
* @type {String}
* @static
* @default '<div id="{swfContainerId}" style="position:absolute; top:0px; left: 0px; margin: 0; padding: 0;
* border: 0; width:100%; height:100%"></div>'
*/
FLASH_CONTAINER: '<div id="{swfContainerId}" style="position:absolute; top:0px; left: 0px; margin: 0; ' +
'padding: 0; border: 0; width:100%; height:100%"></div>',
/**
* The template for the "Select Files" button.
*
* @property SELECT_FILES_BUTTON
* @type {String}
* @static
* @default "<button type='button' class='yui3-button' tabindex='-1'>{selectButtonLabel}</button>"
*/
SELECT_FILES_BUTTON: "<button type='button' class='yui3-button' tabindex='-1'>{selectButtonLabel}</button>",
/**
* The static property reflecting the type of uploader that `Y.Uploader`
* aliases. The UploaderFlash value is `"flash"`.
*
* @property TYPE
* @type {String}
* @static
*/
TYPE: "flash",
/**
* The identity of the widget.
*
* @property NAME
* @type String
* @default 'uploader'
* @readOnly
* @protected
* @static
*/
NAME: "uploader",
/**
* Static property used to define the default attribute configuration of
* the Widget.
*
* @property ATTRS
* @type {Object}
* @protected
* @static
*/
ATTRS: {
/**
* A Boolean indicating whether newly selected files should be appended
* to the existing file list, or whether they should replace it.
*
* @attribute appendNewFiles
* @type {Boolean}
* @default true
*/
appendNewFiles : {
value: true
},
/**
* The names of CSS classes that correspond to different button states
* of the "Select Files" control. These classes are assigned to the
* "Select Files" control based on the mouse states reported by the
* Flash player. The keys for the class names are:
* <ul>
* <li> <strong>`hover`</strong>: the class corresponding to mouse hovering over
* the "Select Files" button.</li>
* <li> <strong>`active`</strong>: the class corresponding to mouse down state of
* the "Select Files" button.</li>
* <li> <strong>`disabled`</strong>: the class corresponding to the disabled state
* of the "Select Files" button.</li>
* <li> <strong>`focus`</strong>: the class corresponding to the focused state of
* the "Select Files" button.</li>
* </ul>
* @attribute buttonClassNames
* @type {Object}
* @default { hover: "yui3-button-hover",
* active: "yui3-button-active",
* disabled: "yui3-button-disabled",
* focus: "yui3-button-selected"
* }
*/
buttonClassNames: {
value: {
"hover": "yui3-button-hover",
"active": "yui3-button-active",
"disabled": "yui3-button-disabled",
"focus": "yui3-button-selected"
}
},
/**
* A Boolean indicating whether the uploader is enabled or disabled for user input.
*
* @attribute enabled
* @type {Boolean}
* @default true
*/
enabled : {
value: true
},
/**
* The action performed when an upload error occurs for a specific file being uploaded.
* The possible values are:
* <ul>
* <li> <strong>`UploaderQueue.CONTINUE`</strong>: the error is ignored and the upload process is continued.</li>
* <li> <strong>`UploaderQueue.STOP`</strong>: the upload process is stopped as soon as any other parallel file
* uploads are finished.</li>
* <li> <strong>`UploaderQueue.RESTART_ASAP`</strong>: the file is added back to the front of the queue.</li>
* <li> <strong>`UploaderQueue.RESTART_AFTER`</strong>: the file is added to the back of the queue.</li>
* </ul>
* @attribute errorAction
* @type {String}
* @default UploaderQueue.CONTINUE
*/
errorAction: {
value: "continue",
validator: function (val) {
return (
val === UploaderQueue.CONTINUE ||
val === UploaderQueue.STOP ||
val === UploaderQueue.RESTART_ASAP ||
val === UploaderQueue.RESTART_AFTER
);
}
},
/**
* An array indicating what fileFilters should be applied to the file
* selection dialog. Each element in the array should be an object with
* the following key-value pairs:
* {
* description : String
extensions: String of the form &lquot;*.ext1;*.ext2;*.ext3;...&rquot;
* }
* @attribute fileFilters
* @type {Array}
* @default []
*/
fileFilters: {
value: []
},
/**
* A filtering function that is applied to every file selected by the user.
* The function receives the `Y.File` object and must return a Boolean value.
* If a `false` value is returned, the file in question is not added to the
* list of files to be uploaded.
* Use this function to put limits on file sizes or check the file names for
* correct extension, but make sure that a server-side check is also performed,
* since any client-side restrictions are only advisory and can be circumvented.
*
* @attribute fileFilterFunction
* @type {Function}
* @default null
*/
fileFilterFunction: {
value: null
},
/**
* A String specifying what should be the POST field name for the file
* content in the upload request.
*
* @attribute fileFieldName
* @type {String}
* @default Filedata
*/
fileFieldName: {
value: "Filedata"
},
/**
* The array of files to be uploaded. All elements in the array
* must be instances of `Y.FileFlash` and be instantiated with a `fileId`
* retrieved from an instance of the uploader.
*
* @attribute fileList
* @type {Array}
* @default []
*/
fileList: {
value: [],
getter: "_getFileList",
setter: "_setFileList"
},
/**
* A Boolean indicating whether multiple file selection is enabled.
*
* @attribute multipleFiles
* @type {Boolean}
* @default false
*/
multipleFiles: {
value: false
},
/**
* An object, keyed by `fileId`, containing sets of key-value pairs
* that should be passed as POST variables along with each corresponding
* file. This attribute is only used if no POST variables are specifed
* in the upload method call.
*
* @attribute postVarsPerFile
* @type {Object}
* @default {}
*/
postVarsPerFile: {
value: {}
},
/**
* The label for the "Select Files" widget. This is the value that replaces the
* `{selectButtonLabel}` token in the `SELECT_FILES_BUTTON` template.
*
* @attribute selectButtonLabel
* @type {String}
* @default "Select Files"
*/
selectButtonLabel: {
value: "Select Files"
},
/**
* The widget that serves as the "Select Files" control for the file uploader
*
*
* @attribute selectFilesButton
* @type {Node | Widget}
* @default A standard HTML button with YUI CSS Button skin.
*/
selectFilesButton : {
valueFn: function () {
return Y.Node.create(substitute(Y.UploaderFlash.SELECT_FILES_BUTTON, {selectButtonLabel: this.get("selectButtonLabel")}));
}
},
/**
* The number of files that can be uploaded
* simultaneously if the automatic queue management
* is used. This value can be in the range between 2
* and 5.
*
* @attribute simLimit
* @type {Number}
* @default 2
*/
simLimit: {
value: 2,
validator: function (val) {
return (val >= 2 && val <= 5);
}
},
/**
* The URL to the SWF file of the flash uploader. A copy local to
* the server that hosts the page on which the uploader appears is
* recommended.
*
* @attribute swfURL
* @type {String}
* @default "flashuploader.swf" with a
* random GET parameter for IE (to prevent buggy behavior when the SWF
* is cached).
*/
swfURL: {
valueFn: function () {
var prefix = "flashuploader.swf";
if (Y.UA.ie > 0) {
return (prefix + "?t=" + Y.guid("uploader"));
}
return prefix;
}
},
/**
* The id's or `Node` references of the DOM elements that precede
* and follow the `Select Files` button in the tab order. Specifying
* these allows keyboard navigation to and from the Flash player
* layer of the uploader.
* The two keys corresponding to the DOM elements are:
<ul>
* <li> `from`: the id or the `Node` reference corresponding to the
* DOM element that precedes the `Select Files` button in the tab order.</li>
* <li> `to`: the id or the `Node` reference corresponding to the
* DOM element that follows the `Select Files` button in the tab order.</li>
* </ul>
* @attribute tabElements
* @type {Object}
* @default null
*/
tabElements: {
value: null
},
/**
* The URL to which file upload requested are POSTed. Only used if a different url is not passed to the upload method call.
*
* @attribute uploadURL
* @type {String}
* @default ""
*/
uploadURL: {
value: ""
},
/**
* The number of times to try re-uploading a file that failed to upload before
* cancelling its upload.
*
* @attribute retryCount
* @type {Number}
* @default 3
*/
retryCount: {
value: 3
}
}
});
Y.UploaderFlash.Queue = UploaderQueue;
}, '3.17.2', {
"requires": [
"swfdetect",
"escape",
"widget",
"base",
"cssbutton",
"node",
"event-custom",
"uploader-queue"
]
});