ok
Mini Shell
/*
* jQuery shDropUpload v1.2
* http://jquery.sunhater.com/shDropUpload
* 2014-08-12
*
* Copyright (c) 2014 Pavel Tzonkov <sunhater@sunhater.com>
* Dual licensed under the MIT and GPL licenses.
*/
(function($) {
/** @param localOptions Options about local files drag & drop
* @param remoteOptions Options about HTML objects drag & drop */
$.fn.shDropUpload = function(localOptions, remoteOptions) {
// Compatibility check
if ((typeof XMLHttpRequest == "undefined") ||
(typeof document.addEventListener == "undefined") ||
(typeof File == "undefined") ||
(typeof FileReader == "undefined")
)
return;
// Default options about local files drag & drop
var lo = {
// URL to upload handler script
url: "",
// File field name
param: "upload",
// Maximum filesize in bytes. If a dragged file is too big, the browser crashes
maxFilesize: 10485760,
// Called before all uploads. Useful for implementing some checks before uploads begins
// If it returns false, the uploading will be canceled.
precheck: function(evt) {
console.log("shDropUpload: Upload process started");
return true;
},
// Called when an upload begins
begin: function(xhr, currentFile, filesCount) {
console.log("shDropUpload: Uploading file " + currentFile + " of " + filesCount + " (" + xhr.file.name + ")");
},
// Called after successful upload request
success: function(xhr, currentFile, filesCount) {
console.log("shDropUpload: Upload success (" + xhr.file.name + ")");
},
// Called when an upload request fails
error: function(xhr, currentFile, filesCount) {
console.log("shDropUpload: Upload request failed (" + xhr.file.name + ")");
},
// Called when an upload request is aborted
abort: function(xhr, currentFile, filesCount) {
console.log("shDropUpload: Upload request aborted (" + xhr.file.name + ")");
},
// Called when a file exceeds the maxFilesize option
filesizeCallback: function(xhr, currentFile, filesCount) {
console.log("shDropUpload: File is too big (" + xhr.file.name + ")");
},
// Called when all files are proceeded
finish: function() {
console.log("shDropUpload: Upload process finished");
}
},
// Default options about HTML objects drag & drop
ro = {
// If a selection is dropped you could to fetch multiple URLs from selected HTML
// You can define the selectors URLs will be fetched from. If you want only images
// leave 'img[src]' only
selectors: 'img[src]',
//selectors: 'img[src], a[href], script[src], link[href]',
// Check URLs for uniqueness
unique: true,
// Ajax options
ajax: {
url: "",
type: "post",
dataType: "json",
data: {
url: "{url}", // {url} marks the URL from dragged object
type: "{type}" // {type} marks the tag type ("a" or "img")
},
success: function(response) {
console.log("shDropUpload: URL has been passed to the server.");
},
error: function() {
console.log("shDropUpload: Request failed!");
}
}
},
utf8encode = function(string) {
string = string.replace(/\r\n/g, "\n");
var c, utftext = "";
for (var n = 0; n < string.length; n++) {
c = string.charCodeAt(n);
if (c < 128) {
utftext += String.fromCharCode(c);
} else if((c > 127) && (c < 2048)) {
utftext += String.fromCharCode((c >> 6) | 192);
utftext += String.fromCharCode((c & 63) | 128);
} else {
utftext += String.fromCharCode((c >> 12) | 224);
utftext += String.fromCharCode(((c >> 6) & 63) | 128);
utftext += String.fromCharCode((c & 63) | 128);
}
}
return utftext;
};
$.extend(true, ro, remoteOptions);
$.extend(true, lo, localOptions);
if (!XMLHttpRequest.prototype.sendAsBinary) {
XMLHttpRequest.prototype.sendAsBinary = function(datastr) {
var ords = Array.prototype.map.call(datastr, function(x) {
return x.charCodeAt(0) & 0xff;
}),
ui8a = new Uint8Array(ords);
this.send(ui8a);
}
}
$(this).each(function() {
var t = this,
uploadQueue = [],
uploadInProgress = false,
filesCount = 0,
boundary = "------multipartdropuploadboundary" + new Date().getTime(),
currentFile,
dragOver = function(e) {
if (e.preventDefault) e.preventDefault();
$(t).addClass('drag');
return false;
},
dragEnter = function(e) {
if (e.preventDefault) e.preventDefault();
return false;
},
dragLeave = function(e) {
if (e.preventDefault) e.preventDefault();
$(t).removeClass('drag');
return false;
},
drop = function(e) {
if (e.preventDefault) e.preventDefault();
if (e.stopPropagation) e.stopPropagation();
$(t).removeClass('drag');
try {
var el = e.dataTransfer.getData('text/html');
} catch (e) {
var el = false;
}
// Remote drop
if (el) {
if (!remoteOptions)
return false;
el = '<div>' + el.toString() + '</div>';
var urls = [], types = [];
var selectors = $.isArray(ro.selectors)
? ro.selectors
: ro.selectors.split(/\s*,\s*/g);
$.each(selectors, function(i, selector) {
if (!/^[a-z0-9]+\[[a-z]+\]$/gi.test(selector))
return true;
var type = selector.split('[')[0],
attr = selector.split('[')[1].split(']')[0];
$(el).find(selector).each(function() {
var url = $(this).attr(attr);
if (ro.unique)
for (var i = 0; i < urls.length; i++)
if ((urls[i] == url) && (types[i] == type))
return true;
urls.push(url);
types.push(type);
});
});
if (!urls.length)
return false;
if (urls.length == 1) {
urls = urls[0];
types = types[0];
}
var opts = $.extend(true, {}, ro.ajax);
if (opts.data) {
$.each(opts.data, function(i, j) {
if (j == "{url}")
opts.data[i] = urls;
if (j == "{type}")
opts.data[i] = types;
});
}
$.ajax(opts);
// Local drop
} else {
if (!localOptions)
return false;
filesCount += e.dataTransfer.files.length;
if (!filesCount || !lo.precheck(e))
return false;
for (var i = 0; i < filesCount; i++) {
var file = e.dataTransfer.files[i];
uploadQueue.push(file);
}
uploadNext();
}
return false;
},
uploadNext = function() {
if (uploadInProgress)
return false;
if (uploadQueue && uploadQueue.length) {
var file = uploadQueue.shift(),
currentNum = filesCount - uploadQueue.length,
reader = new FileReader(),
ie = (typeof reader.readAsBinaryString == "undefined");
currentFile = reader.file = file;
reader.onerror = function(evt) {
evt.file = file;
lo.error(evt, currentNum, filesCount);
uploadNext();
};
reader.onload = function(evt) {
uploadInProgress = true;
var xhr = new XMLHttpRequest(),
postbody = '--' + boundary + '\r\nContent-Disposition: form-data; name="' + lo.param + '"';
xhr.file = evt.target.file;
lo.begin(xhr, currentNum, filesCount);
if (lo.maxFilesize && (xhr.file.size > lo.maxFilesize)) {
uploadInProgress = false;
lo.filesizeCallback(xhr, currentNum, filesCount);
uploadNext();
return;
}
if (ie) {
var binary = "",
bytes = new Uint8Array(evt.target.result);
for (var i = 0; i < bytes.byteLength; i++)
binary += String.fromCharCode(bytes[i]);
}
if (xhr.file.name)
postbody += '; filename="' + utf8encode(xhr.file.name) + '"';
postbody += '\r\n';
if (xhr.file.size)
postbody += "Content-Length: " + xhr.file.size + "\r\n";
postbody += "Content-Type: " + xhr.file.type + "\r\n\r\n" + (ie ? binary : evt.target.result) + "\r\n--" + boundary + "--\r\n";
xhr.open('post', lo.url, true);
xhr.setRequestHeader('Content-Type', "multipart/form-data; boundary=" + boundary);
xhr.onload = function() {
uploadInProgress = false;
lo.success(xhr, currentNum, filesCount);
uploadNext();
};
xhr.onerror = function() {
uploadInProgress = false;
lo.error(xhr, currentNum, filesCount);
uploadNext();
};
xhr.onabort = function() {
uploadInProgress = false;
lo.abort(xhr, currentNum, filesCount);
uploadNext();
};
xhr.sendAsBinary(postbody);
};
if (ie)
reader.readAsArrayBuffer(file);
else
reader.readAsBinaryString(file);
} else {
filesCount = 0;
var loop = setInterval(function() {
if (uploadInProgress) return;
boundary = "------multipartdropuploadboundary" + new Date().getTime();
uploadQueue = [];
clearInterval(loop);
lo.finish();
}, 333);
}
};
if (!$(t).data('shdu'))
$(t).data('shdu', {
dragover: dragOver,
dragenter: dragEnter,
dragLeave: dragLeave,
drop: drop
});
var bind = function(event, callback) {
t.removeEventListener(event, $(t).data('shdu')[event], false);
var data = $(t).data('shdu'),
newData = {};
newData[event] = callback;
$.extend(data, newData);
$(t).data('shdu', data);
t.addEventListener(event, callback, false);
};
bind('dragover', dragOver);
bind('dragenter', dragEnter);
bind('dragleave', dragLeave);
bind('drop', drop);
});
}
})(jQuery);
Zerion Mini Shell 1.0