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Updates jQuery.filedrop to 0.1.0~0a38cbc.

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This commit is contained in:
Lars Jung 2013-08-25 23:03:42 +02:00
parent aa41483af5
commit 39cb681bf9
2 changed files with 555 additions and 424 deletions
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424
src/_h5ai/client/js/lib/jquery.filedrop-0.1.0.js
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@ -1,424 +0,0 @@
/*
* Default text - jQuery plugin for html5 dragging files from desktop to browser
*
* Author: Weixi Yen
*
* Email: [Firstname][Lastname]@gmail.com
*
* Copyright (c) 2010 Resopollution
*
* Licensed under the MIT license:
* http://www.opensource.org/licenses/mit-license.php
*
* Project home:
* http://www.github.com/weixiyen/jquery-filedrop
*
* Version: 0.1.0
*
* Features:
* Allows sending of extra parameters with file.
* Works with Firefox 3.6+
* Future-compliant with HTML5 spec (will work with Webkit browsers and IE9)
* Usage:
* See README at project homepage
*
*/
;(function($) {
jQuery.event.props.push("dataTransfer");
var default_opts = {
fallback_id: '',
url: '',
refresh: 1000,
paramname: 'userfile',
allowedfiletypes:[],
maxfiles: 25, // Ignored if queuefiles is set > 0
maxfilesize: 1, // MB file size limit
queuefiles: 0, // Max files before queueing (for large volume uploads)
queuewait: 200, // Queue wait time if full
data: {},
headers: {},
drop: empty,
dragEnter: empty,
dragOver: empty,
dragLeave: empty,
docEnter: empty,
docOver: empty,
docLeave: empty,
beforeEach: empty,
afterAll: empty,
rename: empty,
error: function(err, file, i) {
alert(err);
},
uploadStarted: empty,
uploadFinished: empty,
progressUpdated: empty,
speedUpdated: empty
},
errors = ["BrowserNotSupported", "TooManyFiles", "FileTooLarge", "FileTypeNotAllowed"],
doc_leave_timer, stop_loop = false,
files_count = 0,
files;
$.fn.filedrop = function(options) {
var opts = $.extend({}, default_opts, options);
this.on('drop', drop).on('dragenter', dragEnter).on('dragover', dragOver).on('dragleave', dragLeave);
$(document).on('drop', docDrop).on('dragenter', docEnter).on('dragover', docOver).on('dragleave', docLeave);
$('#' + opts.fallback_id).change(function(e) {
opts.drop(e);
files = e.target.files;
files_count = files.length;
upload();
});
function drop(e) {
opts.drop(e);
files = e.dataTransfer.files;
if (files === null || files === undefined) {
opts.error(errors[0]);
return false;
}
files_count = files.length;
upload();
e.preventDefault();
return false;
}
function getBuilder(filename, filedata, mime, boundary) {
var dashdash = '--',
crlf = '\r\n',
builder = '';
if (opts.data) {
var params = $.param(opts.data).split(/&/);
$.each(params, function() {
var pair = this.split(/=/, 2);
var name = decodeURIComponent(pair[0]);
var val = decodeURIComponent(pair[1]);
builder += dashdash;
builder += boundary;
builder += crlf;
builder += 'Content-Disposition: form-data; name="' + name + '"';
builder += crlf;
builder += crlf;
builder += val;
builder += crlf;
});
}
builder += dashdash;
builder += boundary;
builder += crlf;
builder += 'Content-Disposition: form-data; name="' + opts.paramname + '"';
builder += '; filename="' + filename + '"';
builder += crlf;
builder += 'Content-Type: ' + mime;
builder += crlf;
builder += crlf;
builder += filedata;
builder += crlf;
builder += dashdash;
builder += boundary;
builder += dashdash;
builder += crlf;
return builder;
}
function progress(e) {
if (e.lengthComputable) {
var percentage = Math.round((e.loaded * 100) / e.total);
if (this.currentProgress != percentage) {
this.currentProgress = percentage;
opts.progressUpdated(this.index, this.file, this.currentProgress);
var elapsed = new Date().getTime();
var diffTime = elapsed - this.currentStart;
if (diffTime >= opts.refresh) {
var diffData = e.loaded - this.startData;
var speed = diffData / diffTime; // KB per second
opts.speedUpdated(this.index, this.file, speed);
this.startData = e.loaded;
this.currentStart = elapsed;
}
}
}
}
// Respond to an upload
function upload() {
stop_loop = false;
if (!files) {
opts.error(errors[0]);
return false;
}
if(opts.allowedfiletypes.push && opts.allowedfiletypes.length){
for(var fileIndex = files.length;fileIndex--;){
if(!files[fileIndex].type || $.inArray(files[fileIndex].type, opts.allowedfiletypes) < 0){
opts.error(errors[3]);
return false;
}
}
}
var filesDone = 0,
filesRejected = 0;
if (files_count > opts.maxfiles && opts.queuefiles === 0) {
opts.error(errors[1]);
return false;
}
// Define queues to manage upload process
var workQueue = [];
var processingQueue = [];
var doneQueue = [];
// Add everything to the workQueue
for (var i = 0; i < files_count; i++) {
workQueue.push(i);
}
// Helper function to enable pause of processing to wait
// for in process queue to complete
var pause = function(timeout) {
setTimeout(process, timeout);
return;
}
// Process an upload, recursive
var process = function() {
var fileIndex;
if (stop_loop) return false;
// Check to see if are in queue mode
if (opts.queuefiles > 0 && processingQueue.length >= opts.queuefiles) {
return pause(opts.queuewait);
} else {
// Take first thing off work queue
fileIndex = workQueue[0];
workQueue.splice(0, 1);
// Add to processing queue
processingQueue.push(fileIndex);
}
try {
if (beforeEach(files[fileIndex]) != false) {
if (fileIndex === files_count) return;
var reader = new FileReader(),
max_file_size = 1048576 * opts.maxfilesize;
reader.index = fileIndex;
if (files[fileIndex].size > max_file_size) {
opts.error(errors[2], files[fileIndex], fileIndex);
// Remove from queue
processingQueue.forEach(function(value, key) {
if (value === fileIndex) processingQueue.splice(key, 1);
});
filesRejected++;
return true;
}
reader.onloadend = send;
reader.readAsBinaryString(files[fileIndex]);
} else {
filesRejected++;
}
} catch (err) {
// Remove from queue
processingQueue.forEach(function(value, key) {
if (value === fileIndex) processingQueue.splice(key, 1);
});
opts.error(errors[0]);
return false;
}
// If we still have work to do,
if (workQueue.length > 0) {
process();
}
};
var send = function(e) {
var fileIndex = ((typeof(e.srcElement) === "undefined") ? e.target : e.srcElement).index
// Sometimes the index is not attached to the
// event object. Find it by size. Hack for sure.
if (e.target.index == undefined) {
e.target.index = getIndexBySize(e.total);
}
var xhr = new XMLHttpRequest(),
upload = xhr.upload,
file = files[e.target.index],
index = e.target.index,
start_time = new Date().getTime(),
boundary = '------multipartformboundary' + (new Date).getTime(),
builder;
newName = rename(file.name);
mime = file.type
if (typeof newName === "string") {
builder = getBuilder(newName, e.target.result, mime, boundary);
} else {
builder = getBuilder(file.name, e.target.result, mime, boundary);
}
upload.index = index;
upload.file = file;
upload.downloadStartTime = start_time;
upload.currentStart = start_time;
upload.currentProgress = 0;
upload.startData = 0;
upload.addEventListener("progress", progress, false);
xhr.open("POST", opts.url, true);
xhr.setRequestHeader('content-type', 'multipart/form-data; boundary=' + boundary);
// Add headers
$.each(opts.headers, function(k, v) {
xhr.setRequestHeader(k, v);
});
xhr.sendAsBinary(builder);
opts.uploadStarted(index, file, files_count);
xhr.onload = function() {
if (xhr.responseText) {
var now = new Date().getTime(),
timeDiff = now - start_time,
result = opts.uploadFinished(index, file, jQuery.parseJSON(xhr.responseText), timeDiff, xhr);
filesDone++;
// Remove from processing queue
processingQueue.forEach(function(value, key) {
if (value === fileIndex) processingQueue.splice(key, 1);
});
// Add to donequeue
doneQueue.push(fileIndex);
if (filesDone == files_count - filesRejected) {
afterAll();
}
if (result === false) stop_loop = true;
}
//Pass any errors to the error option
if(xhr.status != 200){
opts.error(xhr.statusText);
}
};
}
// Initiate the processing loop
process();
}
function getIndexBySize(size) {
for (var i = 0; i < files_count; i++) {
if (files[i].size == size) {
return i;
}
}
return undefined;
}
function rename(name) {
return opts.rename(name);
}
function beforeEach(file) {
return opts.beforeEach(file);
}
function afterAll() {
return opts.afterAll();
}
function dragEnter(e) {
clearTimeout(doc_leave_timer);
e.preventDefault();
opts.dragEnter(e);
}
function dragOver(e) {
clearTimeout(doc_leave_timer);
e.preventDefault();
opts.docOver(e);
opts.dragOver(e);
}
function dragLeave(e) {
clearTimeout(doc_leave_timer);
opts.dragLeave(e);
e.stopPropagation();
}
function docDrop(e) {
e.preventDefault();
opts.docLeave(e);
return false;
}
function docEnter(e) {
clearTimeout(doc_leave_timer);
e.preventDefault();
opts.docEnter(e);
return false;
}
function docOver(e) {
clearTimeout(doc_leave_timer);
e.preventDefault();
opts.docOver(e);
return false;
}
function docLeave(e) {
doc_leave_timer = setTimeout(function() {
opts.docLeave(e);
}, 200);
}
return this;
};
function empty() {}
try {
if (XMLHttpRequest.prototype.sendAsBinary) return;
XMLHttpRequest.prototype.sendAsBinary = function(datastr) {
function byteValue(x) {
return x.charCodeAt(0) & 0xff;
}
var ords = Array.prototype.map.call(datastr, byteValue);
var ui8a = new Uint8Array(ords);
this.send(ui8a.buffer);
}
} catch (e) {}
})(jQuery);

555
src/_h5ai/client/js/lib/jquery.filedrop-0.1.0~0a38cbc.js Normal file
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@ -0,0 +1,555 @@
/*global jQuery:false, alert:false */
/*
* Default text - jQuery plugin for html5 dragging files from desktop to browser
*
* Author: Weixi Yen
*
* Email: [Firstname][Lastname]@gmail.com
*
* Copyright (c) 2010 Resopollution
*
* Licensed under the MIT license:
* http://www.opensource.org/licenses/mit-license.php
*
* Project home:
* http://www.github.com/weixiyen/jquery-filedrop
*
* Version: 0.1.0
*
* Features:
* Allows sending of extra parameters with file.
* Works with Firefox 3.6+
* Future-compliant with HTML5 spec (will work with Webkit browsers and IE9)
* Usage:
* See README at project homepage
*
*/
;(function($) {
jQuery.event.props.push("dataTransfer");
var default_opts = {
fallback_id: '',
url: '',
refresh: 1000,
paramname: 'userfile',
requestType: 'POST', // just in case you want to use another HTTP verb
allowedfileextensions:[],
allowedfiletypes:[],
maxfiles: 25, // Ignored if queuefiles is set > 0
maxfilesize: 1, // MB file size limit
queuefiles: 0, // Max files before queueing (for large volume uploads)
queuewait: 200, // Queue wait time if full
data: {},
headers: {},
drop: empty,
dragStart: empty,
dragEnter: empty,
dragOver: empty,
dragLeave: empty,
docEnter: empty,
docOver: empty,
docLeave: empty,
beforeEach: empty,
afterAll: empty,
rename: empty,
error: function(err, file, i, status) {
alert(err);
},
uploadStarted: empty,
uploadFinished: empty,
progressUpdated: empty,
globalProgressUpdated: empty,
speedUpdated: empty
},
errors = ["BrowserNotSupported", "TooManyFiles", "FileTooLarge", "FileTypeNotAllowed", "NotFound", "NotReadable", "AbortError", "ReadError", "FileExtensionNotAllowed"];
$.fn.filedrop = function(options) {
var opts = $.extend({}, default_opts, options),
global_progress = [],
doc_leave_timer, stop_loop = false,
files_count = 0,
files;
$('#' + opts.fallback_id).css({
display: 'none',
width: 0,
height: 0
});
this.on('drop', drop).on('dragstart', opts.dragStart).on('dragenter', dragEnter).on('dragover', dragOver).on('dragleave', dragLeave);
$(document).on('drop', docDrop).on('dragenter', docEnter).on('dragover', docOver).on('dragleave', docLeave);
this.on('click', function(e){
$('#' + opts.fallback_id).trigger(e);
});
$('#' + opts.fallback_id).change(function(e) {
opts.drop(e);
files = e.target.files;
files_count = files.length;
upload();
});
function drop(e) {
if( opts.drop.call(this, e) === false ) return false;
if(!e.dataTransfer)
return;
files = e.dataTransfer.files;
if (files === null || files === undefined || files.length === 0) {
opts.error(errors[0]);
return false;
}
files_count = files.length;
upload();
e.preventDefault();
return false;
}
function getBuilder(filename, filedata, mime, boundary) {
var dashdash = '--',
crlf = '\r\n',
builder = '',
paramname = opts.paramname;
if (opts.data) {
var params = $.param(opts.data).replace(/\+/g, '%20').split(/&/);
$.each(params, function() {
var pair = this.split("=", 2),
name = decodeURIComponent(pair[0]),
val = decodeURIComponent(pair[1]);
if (pair.length !== 2) {
return;
}
builder += dashdash;
builder += boundary;
builder += crlf;
builder += 'Content-Disposition: form-data; name="' + name + '"';
builder += crlf;
builder += crlf;
builder += val;
builder += crlf;
});
}
if (jQuery.isFunction(paramname)){
paramname = paramname(filename);
}
builder += dashdash;
builder += boundary;
builder += crlf;
builder += 'Content-Disposition: form-data; name="' + (paramname||"") + '"';
builder += '; filename="' + filename + '"';
builder += crlf;
builder += 'Content-Type: ' + mime;
builder += crlf;
builder += crlf;
builder += filedata;
builder += crlf;
builder += dashdash;
builder += boundary;
builder += dashdash;
builder += crlf;
return builder;
}
function progress(e) {
if (e.lengthComputable) {
var percentage = Math.round((e.loaded * 100) / e.total);
if (this.currentProgress !== percentage) {
this.currentProgress = percentage;
opts.progressUpdated(this.index, this.file, this.currentProgress);
global_progress[this.global_progress_index] = this.currentProgress;
globalProgress();
var elapsed = new Date().getTime();
var diffTime = elapsed - this.currentStart;
if (diffTime >= opts.refresh) {
var diffData = e.loaded - this.startData;
var speed = diffData / diffTime; // KB per second
opts.speedUpdated(this.index, this.file, speed);
this.startData = e.loaded;
this.currentStart = elapsed;
}
}
}
}
function globalProgress() {
if (global_progress.length === 0) {
return;
}
var total = 0, index;
for (index in global_progress) {
if(global_progress.hasOwnProperty(index)) {
total = total + global_progress[index];
}
}
opts.globalProgressUpdated(Math.round(total / global_progress.length));
}
// Respond to an upload
function upload() {
stop_loop = false;
if (!files) {
opts.error(errors[0]);
return false;
}
if (opts.allowedfiletypes.push && opts.allowedfiletypes.length) {
for(var fileIndex = files.length;fileIndex--;) {
if(!files[fileIndex].type || $.inArray(files[fileIndex].type, opts.allowedfiletypes) < 0) {
opts.error(errors[3], files[fileIndex]);
return false;
}
}
}
if (opts.allowedfileextensions.push && opts.allowedfileextensions.length) {
for(var fileIndex = files.length;fileIndex--;) {
var allowedextension = false;
for (i=0;i<opts.allowedfileextensions.length;i++){
if (files[fileIndex].name.substr(files[fileIndex].name.length-opts.allowedfileextensions[i].length) == opts.allowedfileextensions[i]) {
allowedextension = true;
}
}
if (!allowedextension){
opts.error(errors[8], files[fileIndex]);
return false;
}
}
}
var filesDone = 0,
filesRejected = 0;
if (files_count > opts.maxfiles && opts.queuefiles === 0) {
opts.error(errors[1]);
return false;
}
// Define queues to manage upload process
var workQueue = [];
var processingQueue = [];
var doneQueue = [];
// Add everything to the workQueue
for (var i = 0; i < files_count; i++) {
workQueue.push(i);
}
// Helper function to enable pause of processing to wait
// for in process queue to complete
var pause = function(timeout) {
setTimeout(process, timeout);
return;
};
// Process an upload, recursive
var process = function() {
var fileIndex;
if (stop_loop) {
return false;
}
// Check to see if are in queue mode
if (opts.queuefiles > 0 && processingQueue.length >= opts.queuefiles) {
return pause(opts.queuewait);
} else {
// Take first thing off work queue
fileIndex = workQueue[0];
workQueue.splice(0, 1);
// Add to processing queue
processingQueue.push(fileIndex);
}
try {
if (beforeEach(files[fileIndex]) !== false) {
if (fileIndex === files_count) {
return;
}
var reader = new FileReader(),
max_file_size = 1048576 * opts.maxfilesize;
reader.index = fileIndex;
if (files[fileIndex].size > max_file_size) {
opts.error(errors[2], files[fileIndex], fileIndex);
// Remove from queue
processingQueue.forEach(function(value, key) {
if (value === fileIndex) {
processingQueue.splice(key, 1);
}
});
filesRejected++;
return true;
}
reader.onerror = function(e) {
switch(e.target.error.code) {
case e.target.error.NOT_FOUND_ERR:
opts.error(errors[4]);
return false;
case e.target.error.NOT_READABLE_ERR:
opts.error(errors[5]);
return false;
case e.target.error.ABORT_ERR:
opts.error(errors[6]);
return false;
default:
opts.error(errors[7]);
return false;
};
};
reader.onloadend = !opts.beforeSend ? send : function (e) {
opts.beforeSend(files[fileIndex], fileIndex, function () { send(e); });
};
reader.readAsDataURL(files[fileIndex]);
} else {
filesRejected++;
}
} catch (err) {
// Remove from queue
processingQueue.forEach(function(value, key) {
if (value === fileIndex) {
processingQueue.splice(key, 1);
}
});
opts.error(errors[0]);
return false;
}
// If we still have work to do,
if (workQueue.length > 0) {
process();
}
};
var send = function(e) {
var fileIndex = (e.srcElement || e.target).index;
// Sometimes the index is not attached to the
// event object. Find it by size. Hack for sure.
if (e.target.index === undefined) {
e.target.index = getIndexBySize(e.total);
}
var xhr = new XMLHttpRequest(),
upload = xhr.upload,
file = files[e.target.index],
index = e.target.index,
start_time = new Date().getTime(),
boundary = '------multipartformboundary' + (new Date()).getTime(),
global_progress_index = global_progress.length,
builder,
newName = rename(file.name),
mime = file.type;
if (opts.withCredentials) {
xhr.withCredentials = opts.withCredentials;
}
var data = atob(e.target.result.split(',')[1]);
if (typeof newName === "string") {
builder = getBuilder(newName, data, mime, boundary);
} else {
builder = getBuilder(file.name, data, mime, boundary);
}
upload.index = index;
upload.file = file;
upload.downloadStartTime = start_time;
upload.currentStart = start_time;
upload.currentProgress = 0;
upload.global_progress_index = global_progress_index;
upload.startData = 0;
upload.addEventListener("progress", progress, false);
// Allow url to be a method
if (jQuery.isFunction(opts.url)) {
xhr.open(opts.requestType, opts.url(), true);
} else {
xhr.open(opts.requestType, opts.url, true);
}
xhr.setRequestHeader('content-type', 'multipart/form-data; boundary=' + boundary);
xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
// Add headers
$.each(opts.headers, function(k, v) {
xhr.setRequestHeader(k, v);
});
xhr.sendAsBinary(builder);
global_progress[global_progress_index] = 0;
globalProgress();
opts.uploadStarted(index, file, files_count);
xhr.onload = function() {
var serverResponse = null;
if (xhr.responseText) {
try {
serverResponse = jQuery.parseJSON(xhr.responseText);
}
catch (e) {
serverResponse = xhr.responseText;
}
}
var now = new Date().getTime(),
timeDiff = now - start_time,
result = opts.uploadFinished(index, file, serverResponse, timeDiff, xhr);
filesDone++;
// Remove from processing queue
processingQueue.forEach(function(value, key) {
if (value === fileIndex) {
processingQueue.splice(key, 1);
}
});
// Add to donequeue
doneQueue.push(fileIndex);
// Make sure the global progress is updated
global_progress[global_progress_index] = 100;
globalProgress();
if (filesDone === (files_count - filesRejected)) {
afterAll();
}
if (result === false) {
stop_loop = true;
}
// Pass any errors to the error option
if (xhr.status < 200 || xhr.status > 299) {
opts.error(xhr.statusText, file, fileIndex, xhr.status);
}
};
};
// Initiate the processing loop
process();
}
function getIndexBySize(size) {
for (var i = 0; i < files_count; i++) {
if (files[i].size === size) {
return i;
}
}
return undefined;
}
function rename(name) {
return opts.rename(name);
}
function beforeEach(file) {
return opts.beforeEach(file);
}
function afterAll() {
return opts.afterAll();
}
function dragEnter(e) {
clearTimeout(doc_leave_timer);
e.preventDefault();
opts.dragEnter.call(this, e);
}
function dragOver(e) {
clearTimeout(doc_leave_timer);
e.preventDefault();
opts.docOver.call(this, e);
opts.dragOver.call(this, e);
}
function dragLeave(e) {
clearTimeout(doc_leave_timer);
opts.dragLeave.call(this, e);
e.stopPropagation();
}
function docDrop(e) {
e.preventDefault();
opts.docLeave.call(this, e);
return false;
}
function docEnter(e) {
clearTimeout(doc_leave_timer);
e.preventDefault();
opts.docEnter.call(this, e);
return false;
}
function docOver(e) {
clearTimeout(doc_leave_timer);
e.preventDefault();
opts.docOver.call(this, e);
return false;
}
function docLeave(e) {
doc_leave_timer = setTimeout((function(_this) {
return function() {
opts.docLeave.call(_this, e);
};
})(this), 200);
}
return this;
};
function empty() {}
try {
if (XMLHttpRequest.prototype.sendAsBinary) {
return;
}
XMLHttpRequest.prototype.sendAsBinary = function(datastr) {
function byteValue(x) {
return x.charCodeAt(0) & 0xff;
}
var ords = Array.prototype.map.call(datastr, byteValue);
var ui8a = new Uint8Array(ords);
// Not pretty: Chrome 22 deprecated sending ArrayBuffer, moving instead
// to sending ArrayBufferView. Sadly, no proper way to detect this
// functionality has been discovered. Happily, Chrome 22 also introduced
// the base ArrayBufferView class, not present in Chrome 21.
if ('ArrayBufferView' in window)
this.send(ui8a);
else
this.send(ui8a.buffer);
};
} catch (e) {}
})(jQuery);