forked from django-cms/django-filer
/
dropzone.init.js
177 lines (167 loc) · 6.56 KB
/
dropzone.init.js
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
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
// #DROPZONE#
// This script implements the dropzone settings
/* globals Dropzone, django */
'use strict';
// as of Django 2.x we need to check where jQuery is
var djQuery = window.$;
if (django.jQuery) {
djQuery = django.jQuery;
}
if (Dropzone) {
Dropzone.autoDiscover = false;
}
/* globals Dropzone, django */
djQuery(function ($) {
var dropzoneTemplateSelector = '.js-filer-dropzone-template';
var previewImageSelector = '.js-img-preview';
var dropzoneSelector = '.js-filer-dropzone';
var dropzones = $(dropzoneSelector);
var messageSelector = '.js-filer-dropzone-message';
var lookupButtonSelector = '.js-related-lookup';
var editButtonSelector = '.js-related-edit';
var progressSelector = '.js-filer-dropzone-progress';
var previewImageWrapperSelector = '.js-img-wrapper';
var filerClearerSelector = '.filerClearer';
var fileChooseSelector = '.js-file-selector';
var fileIdInputSelector = '.vForeignKeyRawIdAdminField';
var dragHoverClass = 'dz-drag-hover';
var hiddenClass = 'hidden';
var mobileClass = 'filer-dropzone-mobile';
var objectAttachedClass = 'js-object-attached';
// var dataMaxFileSize = 'max-file-size';
var minWidth = 500;
var checkMinWidth = function (element) {
element.toggleClass(mobileClass, element.width() < minWidth);
};
var showError = function (message) {
try {
window.parent.CMS.API.Messages.open({
message: message
});
} catch (e) {
if (window.filerShowError) {
window.filerShowError(message);
} else {
alert(message);
}
}
};
var createDropzone = function () {
var dropzone = $(this);
var dropzoneUrl = dropzone.data('url');
var inputId = dropzone.find(fileIdInputSelector);
var isImage = inputId.is('[name="image"]');
var lookupButton = dropzone.find(lookupButtonSelector);
var editButton = dropzone.find(editButtonSelector);
var message = dropzone.find(messageSelector);
var clearButton = dropzone.find(filerClearerSelector);
var fileChoose = dropzone.find(fileChooseSelector);
if (this.dropzone) {
return;
}
$(window).on('resize', function () {
checkMinWidth(dropzone);
});
new Dropzone(this, {
url: dropzoneUrl,
paramName: 'file',
maxFiles: 1,
maxFilesize: this.dataset.maxFilesize,
previewTemplate: $(dropzoneTemplateSelector).html(),
clickable: false,
addRemoveLinks: false,
init: function () {
checkMinWidth(dropzone);
this.on('removedfile', function () {
fileChoose.show();
dropzone.removeClass(objectAttachedClass);
this.removeAllFiles();
clearButton.trigger('click');
});
$('img', this.element).on('dragstart', function (event) {
event.preventDefault();
});
clearButton.on('click', function () {
dropzone.removeClass(objectAttachedClass);
inputId.trigger('change');
});
},
maxfilesexceeded: function () {
this.removeAllFiles(true);
},
drop: function () {
this.removeAllFiles(true);
fileChoose.hide();
lookupButton.addClass('related-lookup-change');
editButton.addClass('related-lookup-change');
message.addClass(hiddenClass);
dropzone.removeClass(dragHoverClass);
dropzone.addClass(objectAttachedClass);
},
success: function (file, response) {
$(progressSelector).addClass(hiddenClass);
if (file && file.status === 'success' && response) {
if (response.file_id) {
inputId.val(response.file_id);
inputId.trigger('change');
}
if (response.thumbnail_180) {
if (isImage) {
$(previewImageSelector).css({
'background-image': 'url(' + response.thumbnail_180 + ')'
});
$(previewImageWrapperSelector).removeClass(hiddenClass);
}
}
} else {
if (response && response.error) {
showError(file.name + ': ' + response.error);
}
this.removeAllFiles(true);
}
$('img', this.element).on('dragstart', function (event) {
event.preventDefault();
});
},
error: function (file, msg, response) {
if (response && response.error) {
msg += ' ; ' + response.error;
}
showError(file.name + ': ' + msg);
this.removeAllFiles(true);
},
reset: function () {
if (isImage) {
$(previewImageWrapperSelector).addClass(hiddenClass);
$(previewImageSelector).css({'background-image': 'none'});
}
dropzone.removeClass(objectAttachedClass);
inputId.val('');
lookupButton.removeClass('related-lookup-change');
editButton.removeClass('related-lookup-change');
message.removeClass(hiddenClass);
inputId.trigger('change');
}
});
};
if (dropzones.length && Dropzone) {
if (!window.filerDropzoneInitialized) {
window.filerDropzoneInitialized = true;
Dropzone.autoDiscover = false;
}
dropzones.each(createDropzone);
// window.__admin_utc_offset__ is used as canary to detect Django 1.8
// There is no way to feature detect the new behavior implemented in Django 1.9
if (!window.__admin_utc_offset__) {
$(document).on('formset:added', function (ev, row) {
var dropzones = $(row).find(dropzoneSelector);
dropzones.each(createDropzone);
});
} else {
$('.add-row a').on('click', function () {
var dropzones = $(dropzoneSelector);
dropzones.each(createDropzone);
});
}
}
});