Component-Builder/media/uikit/js/components/upload.js

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2016-01-30 20:28:43 +00:00
/*! UIkit 2.21.0 | http://www.getuikit.com | (c) 2014 YOOtheme | MIT License */
(function(addon) {
var component;
if (window.UIkit) {
component = addon(UIkit);
}
if (typeof define == "function" && define.amd) {
define("uikit-upload", ["uikit"], function(){
return component || addon(UIkit);
});
}
})(function(UI){
"use strict";
UI.component('uploadSelect', {
init: function() {
var $this = this;
this.on("change", function() {
xhrupload($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;
this.on("drop", function(e){
if (e.dataTransfer && e.dataTransfer.files) {
e.stopPropagation();
e.preventDefault();
$this.element.removeClass($this.options.dragoverClass);
$this.element.trigger('dropped.uk.upload', [e.dataTransfer.files]);
xhrupload(e.dataTransfer.files, $this.options);
}
}).on("dragenter", function(e){
e.stopPropagation();
e.preventDefault();
}).on("dragover", function(e){
e.stopPropagation();
e.preventDefault();
if (!hasdragCls) {
$this.element.addClass($this.options.dragoverClass);
hasdragCls = true;
}
}).on("dragleave", function(e){
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();
})();
if (UI.support.ajaxupload){
UI.$.event.props.push("dataTransfer");
}
function xhrupload(files, settings) {
if (!UI.support.ajaxupload){
return this;
}
settings = UI.$.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...
xhr.upload.addEventListener("progress", function(e){
var percent = (e.loaded / e.total)*100;
settings.progress(percent, e);
}, false);
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);
xhr.open(settings.method, settings.action, true);
xhr.onreadystatechange = function() {
settings.readystatechange(xhr);
if (xhr.readyState==4){
var response = xhr.responseText;
if (settings.type=="json") {
try {
response = UI.$.parseJSON(response);
} catch(e) {
response = false;
}
}
settings.complete(response, xhr);
}
};
settings.beforeSend(xhr);
xhr.send(formData);
}
}
xhrupload.defaults = {
'action': '',
'single': true,
'method': 'POST',
'param' : 'files[]',
'params': {},
'allow' : '*.*',
'type' : 'text',
'filelimit': false,
// events
'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); }
};
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;
});