happstack-yui-7371.5.0: bundle/io-upload-iframe/io-upload-iframe-coverage.js
/*
YUI 3.7.1 (build 5627)
Copyright 2012 Yahoo! Inc. All rights reserved.
Licensed under the BSD License.
http://yuilibrary.com/license/
*/
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YUI.add('io-upload-iframe', function (Y, NAME) {
/**
Extends the IO to enable file uploads, with HTML forms
using an iframe as the transport medium.
@module io
@submodule io-upload-iframe
@for IO
**/
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var w = Y.config.win,
d = Y.config.doc,
_std = (d.documentMode && d.documentMode >= 8),
_d = decodeURIComponent;
/**
* Creates the iframe transported used in file upload
* transactions, and binds the response event handler.
*
* @method _cFrame
* @private
* @param {Object} o Transaction object generated by _create().
* @param {Object} c Configuration object passed to YUI.io().
* @param {Object} io
*/
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function _cFrame(o, c, io) {
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var i = Y.Node.create('<iframe src="#" id="io_iframe' + o.id + '" name="io_iframe' + o.id + '" />');
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i._node.style.position = 'absolute';
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i._node.style.top = '-1000px';
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i._node.style.left = '-1000px';
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Y.one('body').appendChild(i);
// Bind the onload handler to the iframe to detect the file upload response.
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Y.on("load", function() { _yuitest_coverfunc("build/io-upload-iframe/io-upload-iframe.js", "(anonymous 2)", 33);
io._uploadComplete(o, c); }, '#io_iframe' + o.id);
}
/**
* Removes the iframe transport used in the file upload
* transaction.
*
* @method _dFrame
* @private
* @param {Number} id The transaction ID used in the iframe's creation.
*/
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function _dFrame(id) {
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Y.Event.purgeElement('#io_iframe' + id, false);
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Y.one('body').removeChild(Y.one('#io_iframe' + id));
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Y.mix(Y.IO.prototype, {
/**
* Parses the POST data object and creates hidden form elements
* for each key-value, and appends them to the HTML form object.
* @method appendData
* @private
* @static
* @param {Object} f HTML form object.
* @param {String} s The key-value POST data.
* @return {Array} o Array of created fields.
*/
_addData: function(f, s) {
// Serialize an object into a key-value string using
// querystring-stringify-simple.
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if (Y.Lang.isObject(s)) {
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s = Y.QueryString.stringify(s);
}
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var o = [],
m = s.split('='),
i, l;
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for (i = 0, l = m.length - 1; i < l; i++) {
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o[i] = d.createElement('input');
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o[i].type = 'hidden';
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f.appendChild(o[i]);
}
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return o;
},
/**
* Removes the custom fields created to pass additional POST
* data, along with the HTML form fields.
* @method _removeData
* @private
* @static
* @param {Object} f HTML form object.
* @param {Object} o HTML form fields created from configuration.data.
*/
_removeData: function(f, o) {
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for (i = 0, l = o.length; i < l; i++) {
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f.removeChild(o[i]);
}
},
/**
* Sets the appropriate attributes and values to the HTML
* form, in preparation of a file upload transaction.
* @method _setAttrs
* @private
* @static
* @param {Object} f HTML form object.
* @param {Object} id The Transaction ID.
* @param {Object} uri Qualified path to transaction resource.
*/
_setAttrs: function(f, id, uri) {
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f.setAttribute('action', uri);
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f.setAttribute('method', 'POST');
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f.setAttribute('target', 'io_iframe' + id );
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f.setAttribute(Y.UA.ie && !_std ? 'encoding' : 'enctype', 'multipart/form-data');
},
/**
* Reset the HTML form attributes to their original values.
* @method _resetAttrs
* @private
* @static
* @param {Object} f HTML form object.
* @param {Object} a Object of original attributes.
*/
_resetAttrs: function(f, a) {
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f.setAttribute(p, v);
}
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f.removeAttribute(p);
}
});
},
/**
* Starts timeout count if the configuration object
* has a defined timeout property.
*
* @method _startUploadTimeout
* @private
* @static
* @param {Object} o Transaction object generated by _create().
* @param {Object} c Configuration object passed to YUI.io().
*/
_startUploadTimeout: function(o, c) {
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var io = this;
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io._timeout[o.id] = w.setTimeout(
function() {
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o.status = 0;
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o.statusText = 'timeout';
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io.complete(o, c);
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io.end(o, c);
}, c.timeout);
},
/**
* Clears the timeout interval started by _startUploadTimeout().
* @method _clearUploadTimeout
* @private
* @static
* @param {Number} id - Transaction ID.
*/
_clearUploadTimeout: function(id) {
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var io = this;
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w.clearTimeout(io._timeout[id]);
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delete io._timeout[id];
},
/**
* Bound to the iframe's Load event and processes
* the response data.
* @method _uploadComplete
* @private
* @static
* @param {Object} o The transaction object
* @param {Object} c Configuration object for the transaction.
*/
_uploadComplete: function(o, c) {
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var io = this,
d = Y.one('#io_iframe' + o.id).get('contentWindow.document'),
b = d.one('body'),
p;
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if (c.timeout) {
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io._clearUploadTimeout(o.id);
}
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try {
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if (b) {
// When a response Content-Type of "text/plain" is used, Firefox and Safari
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o.c.responseText = p ? p.get('text') : b.get('text');
}
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o.c.responseXML = d._node;
}
}
catch (e) {
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o.e = "upload failure";
}
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io.complete(o, c);
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io.end(o, c);
// The transaction is complete, so call _dFrame to remove
// the event listener bound to the iframe transport, and then
// destroy the iframe.
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w.setTimeout( function() { _yuitest_coverfunc("build/io-upload-iframe/io-upload-iframe.js", "(anonymous 5)", 210);
_dFrame(o.id); }, 0);
},
/**
* Uploads HTML form data, inclusive of files/attachments,
* using the iframe created in _create to facilitate the transaction.
* @method _upload
* @private
* @static
* @param {Object} o The transaction object
* @param {Object} uri Qualified path to transaction resource.
* @param {Object} c Configuration object for the transaction.
*/
_upload: function(o, uri, c) {
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var io = this,
f = (typeof c.form.id === 'string') ? d.getElementById(c.form.id) : c.form.id,
// Track original HTML form attribute values.
attr = {
action: f.getAttribute('action'),
target: f.getAttribute('target')
},
fields;
// Initialize the HTML form properties in case they are
// not defined in the HTML form.
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io._setAttrs(f, o.id, uri);
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if (c.data) {
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fields = io._addData(f, c.data);
}
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if (c.timeout) {
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io._startUploadTimeout(o, c);
}
// Start file upload.
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f.submit();
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io.start(o, c);
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if (c.data) {
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io._removeData(f, fields);
}
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io._resetAttrs(f, attr);
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return {
id: o.id,
abort: function() {
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_dFrame(o.id);
_yuitest_coverline("build/io-upload-iframe/io-upload-iframe.js", 262);
io.complete(o, c);
_yuitest_coverline("build/io-upload-iframe/io-upload-iframe.js", 263);
io.end(o, c);
}
else {
_yuitest_coverline("build/io-upload-iframe/io-upload-iframe.js", 266);
return false;
}
},
isInProgress: function() {
_yuitest_coverfunc("build/io-upload-iframe/io-upload-iframe.js", "isInProgress", 269);
_yuitest_coverline("build/io-upload-iframe/io-upload-iframe.js", 270);
return Y.one('#io_iframe' + o.id) ? true : false;
},
io: io
};
},
upload: function(o, uri, c) {
_yuitest_coverfunc("build/io-upload-iframe/io-upload-iframe.js", "upload", 276);
_yuitest_coverline("build/io-upload-iframe/io-upload-iframe.js", 277);
_cFrame(o, c, this);
_yuitest_coverline("build/io-upload-iframe/io-upload-iframe.js", 278);
return this._upload(o, uri, c);
}
});
}, '3.7.1', {"requires": ["io-base", "node-base"]});