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
var Marionette = require('backbone.marionette');
var tpl = require('./item.hbs');
module.exports = Marionette.ItemView.extend({
tagName: 'li',
template: tpl,
ui: {
edit: '.edit'
},
events: {
'click .destroy': 'destroy',
'click .toggle': 'toggle',
'dblclick label': 'onEditClick',
'keydown @ui.edit': 'onEditKeypress',
'focusout @ui.edit': 'onEditFocusout'
},
modelEvents: {
'change': 'render'
},
onRender: function () {
this.$el.removeClass('active completed');
if (this.model.get('completed')) {
this.$el.addClass('completed');
} else {
this.$el.addClass('active');
}
},
destroy: function () {
this.model.destroy();
},
toggle: function () {
this.model.toggle().save();
},
onEditClick: function () {
this.$el.addClass('editing');
this.ui.edit.focus();
this.ui.edit.val(this.ui.edit.val());
},
onEditFocusout: function () {
var todoText = this.ui.edit.val().trim();
if (todoText) {
this.model.set('title', todoText).save();
this.$el.removeClass('editing');
} else {
this.destroy();
}
},
onEditKeypress: function (e) {
var ENTER_KEY = 13, ESC_KEY = 27;
if (e.which === ENTER_KEY) {
this.onEditFocusout();
return;
}
if (e.which === ESC_KEY) {
this.ui.edit.val(this.model.get('title'));
this.$el.removeClass('editing');
}
}
});