1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
var UploadView = View.extend({
// define uploadAction
events: {
"change [type=file]": "handleFileSelect",
"submit form": "preventDefault",
},
initialize: function(){
this.$file = this.$("[type=file]")
this.$upload = this.$(".upload-icon")
},
beforeUpload: function(){
},
handleFileSelect: function(e) {
e.stopPropagation();
e.preventDefault();
this.beforeUpload()
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.getImageDimensions(f)
}
},
getImageDimensions: function(f){
var base = this
this.$upload.addClass('uploading')
var reader = new FileReader();
reader.onload = function(e) {
var image = new Image()
image.onload = function(){
var width = image.naturalWidth,
height = image.naturalHeight
base.upload(f, width, height)
}
image.src = e.target.result
}
reader.readAsDataURL(f);
},
upload: function(f, width, height){
var fd = new FormData()
fd.append('image', f)
fd.append('width', width)
fd.append('height', height)
fd.append('_csrf', $("[name=_csrf]").val())
if (this.mediaTag) {
fd.append('tag', this.mediaTag)
}
var request = $.ajax({
url: this.uploadAction,
type: "post",
data: fd,
dataType: "json",
processData: false,
contentType: false,
})
request.done(this.success.bind(this))
},
success: function(media){
if (media.error) {
return
}
this.$upload.removeClass('uploading')
this.add(media)
},
add: function(media){
console.log(media)
},
})
|
