Component-Builder-fork/admin/custom/uikit-v2/js/components/upload.js

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/*! UIkit 2.27.4 | http://www.getuikit.com | (c) 2014 YOOtheme | MIT License */
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(function(addon) {
var component;
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if (window.UIkit2) {
component = addon(UIkit2);
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}
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if (typeof define == 'function' && define.amd) {
define('uikit-upload', ['uikit'], function(){
return component || addon(UIkit2);
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});
}
})(function(UI){
"use strict";
UI.component('uploadSelect', {
init: function() {
var $this = this;
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this.on('change', function() {
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xhrupload($this.element[0].files, $this.options);
var twin = $this.element.clone(true).data('uploadSelect', $this);
$this.element.replaceWith(twin);
$this.element = twin;
});
}
});
UI.component('uploadDrop', {
defaults: {
'dragoverClass': 'uk-dragover'
},
init: function() {
var $this = this, hasdragCls = false;
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this.on('drop', function(e){
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if (e.originalEvent.dataTransfer && e.originalEvent.dataTransfer.files) {
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e.stopPropagation();
e.preventDefault();
$this.element.removeClass($this.options.dragoverClass);
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$this.element.trigger('dropped.uk.upload', [e.originalEvent.dataTransfer.files]);
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xhrupload(e.originalEvent.dataTransfer.files, $this.options);
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}
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}).on('dragenter', function(e){
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e.stopPropagation();
e.preventDefault();
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}).on('dragover', function(e){
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e.stopPropagation();
e.preventDefault();
if (!hasdragCls) {
$this.element.addClass($this.options.dragoverClass);
hasdragCls = true;
}
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}).on('dragleave', function(e){
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e.stopPropagation();
e.preventDefault();
$this.element.removeClass($this.options.dragoverClass);
hasdragCls = false;
});
}
});
UI.support.ajaxupload = (function() {
function supportFileAPI() {
var fi = document.createElement('INPUT'); fi.type = 'file'; return 'files' in fi;
}
function supportAjaxUploadProgressEvents() {
var xhr = new XMLHttpRequest(); return !! (xhr && ('upload' in xhr) && ('onprogress' in xhr.upload));
}
function supportFormData() {
return !! window.FormData;
}
return supportFileAPI() && supportAjaxUploadProgressEvents() && supportFormData();
})();
function xhrupload(files, settings) {
if (!UI.support.ajaxupload){
return this;
}
settings = UI.$.extend({}, xhrupload.defaults, settings);
if (!files.length){
return;
}
if (settings.allow !== '*.*') {
for(var i=0,file;file=files[i];i++) {
if(!matchName(settings.allow, file.name)) {
if(typeof(settings.notallowed) == 'string') {
alert(settings.notallowed);
} else {
settings.notallowed(file, settings);
}
return;
}
}
}
var complete = settings.complete;
if (settings.single){
var count = files.length,
uploaded = 0,
allow = true;
settings.beforeAll(files);
settings.complete = function(response, xhr){
uploaded = uploaded + 1;
complete(response, xhr);
if (settings.filelimit && uploaded >= settings.filelimit){
allow = false;
}
if (allow && uploaded<count){
upload([files[uploaded]], settings);
} else {
settings.allcomplete(response, xhr);
}
};
upload([files[0]], settings);
} else {
settings.complete = function(response, xhr){
complete(response, xhr);
settings.allcomplete(response, xhr);
};
upload(files, settings);
}
function upload(files, settings){
// upload all at once
var formData = new FormData(), xhr = new XMLHttpRequest();
if (settings.before(settings, files)===false) return;
for (var i = 0, f; f = files[i]; i++) { formData.append(settings.param, f); }
for (var p in settings.params) { formData.append(p, settings.params[p]); }
// Add any event handlers here...
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xhr.upload.addEventListener('progress', function(e){
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var percent = (e.loaded / e.total)*100;
settings.progress(percent, e);
}, false);
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xhr.addEventListener('loadstart', function(e){ settings.loadstart(e); }, false);
xhr.addEventListener('load', function(e){ settings.load(e); }, false);
xhr.addEventListener('loadend', function(e){ settings.loadend(e); }, false);
xhr.addEventListener('error', function(e){ settings.error(e); }, false);
xhr.addEventListener('abort', function(e){ settings.abort(e); }, false);
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xhr.open(settings.method, settings.action, true);
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if (settings.type=='json') {
xhr.setRequestHeader('Accept', 'application/json');
}
for (var h in settings.headers) {
xhr.setRequestHeader(h, settings.headers[h]);
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}
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xhr.onreadystatechange = function() {
settings.readystatechange(xhr);
if (xhr.readyState==4){
var response = xhr.responseText;
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if (settings.type=='json') {
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try {
response = UI.$.parseJSON(response);
} catch(e) {
response = false;
}
}
settings.complete(response, xhr);
}
};
settings.beforeSend(xhr);
xhr.send(formData);
}
}
xhrupload.defaults = {
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action: '',
single: true,
method: 'POST',
param : 'files[]',
params: {},
allow : '*.*',
type : 'text',
filelimit: false,
headers: {},
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// events
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before : function(o){},
beforeSend : function(xhr){},
beforeAll : function(){},
loadstart : function(){},
load : function(){},
loadend : function(){},
error : function(){},
abort : function(){},
progress : function(){},
complete : function(){},
allcomplete : function(){},
readystatechange: function(){},
notallowed : function(file, settings){ alert('Only the following file types are allowed: '+settings.allow); }
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};
function matchName(pattern, path) {
var parsedPattern = '^' + pattern.replace(/\//g, '\\/').
replace(/\*\*/g, '(\\/[^\\/]+)*').
replace(/\*/g, '[^\\/]+').
replace(/((?!\\))\?/g, '$1.') + '$';
parsedPattern = '^' + parsedPattern + '$';
return (path.match(new RegExp(parsedPattern, 'i')) !== null);
}
UI.Utils.xhrupload = xhrupload;
return xhrupload;
});