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var OKUpload = function(){
this.action = "/_services/image"
}
OKUpload.prototype.bind = function(rapper){
var uploader = this
this.rapper = rapper
this.$progress = $("<div class='progress'>")
this.xhrCount = 0
this.loadCount = 0
$(this.rapper).append(this.$progress)
$(".add-image-button input", rapper).change( uploader.handleFileSelect.bind(uploader) )
$(".add-url", rapper).on("keydown blur", pressEnter( function(e){
var url = $(this).val()
$(this).val("")
if (! url) return
Parser.parse( url, function(media){
console.log(url, media)
if (media.type == "image") {
uploader.add(url)
}
else {
uploader.addVideo(media)
}
})
}))
}
OKUpload.prototype.handleFileSelect = function(e) {
e.stopPropagation();
e.preventDefault();
var files = e.dataTransfer ? e.dataTransfer.files : e.target.files;
for (var i = 0, f; f = files[i]; i++) {
if ( ! f.type.match('image.*')) {
continue;
}
this.upload(f)
}
}
OKUpload.prototype.upload = function(f){
this.xhrCount += 1
this.$progress.addClass("loading")
var $loader = $("<div class='xhr'>")
var $loading_bar = $("<div>")
$loading_bar.css("width", "0%")
$loader.append( $loading_bar )
this.$progress.append($loader)
var fd = new FormData()
fd.append('image', f)
var request = new XMLHttpRequest()
request.open("POST", this.action, true)
request.addEventListener("progress", updateProgress.bind(this));
request.addEventListener("load", transferComplete.bind(this));
request.addEventListener("error", transferError.bind(this));
request.addEventListener("abort", transferAbort.bind(this));
function updateProgress (e) {
if (e.lengthComputable) {
var percentComplete = Math.round( 100 * e.loaded / e.total )
$loading_bar.css("width", percentComplete + "%")
}
}
function transferComplete (data) {
this.loadCount += 1
this.hideUploadBars()
if (request.readyState == 4 && request.status == 200) {
var responseData
try {
responseData = JSON.parse( request.responseText )
this.success( responseData )
}
catch (e) {
console.log("ERROR PARSING JSON")
}
}
console.log(arguments, request)
}
function transferError (data) {
this.loadCount += 1
this.hideUploadBars()
console.log(arguments)
}
function transferAbort (data) {
this.loadCount += 1
this.hideUploadBars()
console.log(arguments)
}
request.send(fd)
/*
var request = $.ajax({
url: this.action,
type: "post",
data: fd,
dataType: "json",
processData: false,
contentType: false,
})
request.done(this.success.bind(this))
*/
}
OKUpload.prototype.hideUploadBars = function () {
if (this.xhrCount == this.loadCount) {
this.$progress.removeClass("loading")
setTimeout(function(){
this.$progress.empty()
}.bind(this), 300)
}
}
OKUpload.prototype.success = function(data){
if (data.error) {
console.log(data.error)
return
}
var url = data[0].extra.Location
this.add(url)
}
OKUpload.prototype.add = function(media){
console.log(media)
}
OKUpload.prototype.addVideo = function(media){
console.log(media)
}
OKUpload.prototype.error = function(error){
throw error
}
function pressEnter(fn){
return function(e){
if (e.keyCode && e.keyCode !== 13) return
e.preventDefault()
fn.apply(this)
}
}
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