1
|
|
|
define(function(require) { |
2
|
|
|
'use strict'; |
3
|
|
|
|
4
|
|
|
var LoadingMaskView; |
5
|
|
|
var BaseView = require('./base/view'); |
6
|
|
|
var template = require('tpl!oroui/templates/loading-mask-view.html'); |
7
|
|
|
var $ = require('jquery'); |
8
|
|
|
var _ = require('underscore'); |
9
|
|
|
|
10
|
|
|
LoadingMaskView = BaseView.extend({ |
11
|
|
|
autoRender: true, |
12
|
|
|
|
13
|
|
|
/** @property {string|Function} */ |
14
|
|
|
template: template, |
15
|
|
|
|
16
|
|
|
/** @property {string} */ |
17
|
|
|
containerMethod: 'append', |
18
|
|
|
|
19
|
|
|
/** @property {string} */ |
20
|
|
|
className: 'loader-mask', |
21
|
|
|
|
22
|
|
|
/** @property {string} */ |
23
|
|
|
loadingHint: 'Loading...', |
24
|
|
|
|
25
|
|
|
/** @property {jQuery} */ |
26
|
|
|
$parent: null, |
27
|
|
|
|
28
|
|
|
/** |
29
|
|
|
* Delay of loading mask hide. Allows avoid blinking. |
30
|
|
|
* Set to negative number to disable |
31
|
|
|
* |
32
|
|
|
* @property {number} |
33
|
|
|
*/ |
34
|
|
|
hideDelay: -1, |
35
|
|
|
|
36
|
|
|
/** |
37
|
|
|
* Timeout id of current hide request |
38
|
|
|
* If defined means that hide is queued |
39
|
|
|
* |
40
|
|
|
* @property {number} |
41
|
|
|
*/ |
42
|
|
|
hideTimeoutId: undefined, |
43
|
|
|
|
44
|
|
|
/** |
45
|
|
|
* @inheritDoc |
46
|
|
|
*/ |
47
|
|
|
initialize: function(options) { |
48
|
|
|
_.extend(this, _.pick(options, ['loadingHint', 'hideDelay'])); |
49
|
|
|
$(window).on( |
50
|
|
|
'pagehide' + this.eventNamespace(), |
51
|
|
|
_.bind(function() { |
52
|
|
|
this.hide(); |
53
|
|
|
}, this) |
54
|
|
|
); |
55
|
|
|
LoadingMaskView.__super__.initialize.apply(this, arguments); |
56
|
|
|
}, |
57
|
|
|
|
58
|
|
|
/** |
59
|
|
|
* @inheritDoc |
60
|
|
|
*/ |
61
|
|
|
getTemplateData: function() { |
62
|
|
|
var data = { |
63
|
|
|
loadingHint: this.loadingHint |
64
|
|
|
}; |
65
|
|
|
return data; |
66
|
|
|
}, |
67
|
|
|
|
68
|
|
|
/** |
69
|
|
|
* Shows loading mask |
70
|
|
|
* |
71
|
|
|
* @param hint {string=} |
72
|
|
|
*/ |
73
|
|
|
show: function(hint) { |
74
|
|
|
if (hint && _.isString(hint)) { |
75
|
|
|
this.setLoadingHint(hint); |
76
|
|
|
} |
77
|
|
|
|
78
|
|
|
if (this.hideTimeoutId) { |
79
|
|
|
// clear deferred hide timeout |
80
|
|
|
clearTimeout(this.hideTimeoutId); |
81
|
|
|
delete this.hideTimeoutId; |
82
|
|
|
} |
83
|
|
|
|
84
|
|
|
if (!this.isShown()) { |
85
|
|
|
this.$parent = this.$el.parent(); |
86
|
|
|
this.$parent.addClass('loading'); |
87
|
|
|
this.$el.addClass('shown'); |
88
|
|
|
} |
89
|
|
|
}, |
90
|
|
|
|
91
|
|
|
/** |
92
|
|
|
* Hides loading mask with delay |
93
|
|
|
* @see this.hideDelay |
94
|
|
|
* |
95
|
|
|
* @param {boolean=} instant if true loading mask will disappear instantly |
96
|
|
|
*/ |
97
|
|
|
hide: function(instant) { |
98
|
|
|
if (instant || this.hideDelay < 0) { |
99
|
|
|
// instant hide |
100
|
|
|
this._hide(); |
101
|
|
|
} else { |
102
|
|
|
// defer hiding if mask is visible and it is not deferred already |
103
|
|
|
if (this.isShown() && !this.hideTimeoutId) { |
104
|
|
|
this.hideTimeoutId = setTimeout(_.bind(this._hide, this), this.hideDelay); |
105
|
|
|
} |
106
|
|
|
} |
107
|
|
|
}, |
108
|
|
|
|
109
|
|
|
/** |
110
|
|
|
* Hides loading mask |
111
|
|
|
*/ |
112
|
|
|
_hide: function() { |
113
|
|
|
clearTimeout(this.hideTimeoutId); |
114
|
|
|
delete this.hideTimeoutId; |
115
|
|
|
|
116
|
|
|
if (!this.isShown()) { |
117
|
|
|
// nothing to do |
118
|
|
|
return; |
119
|
|
|
} |
120
|
|
|
|
121
|
|
|
this.$el.removeClass('shown'); |
122
|
|
|
if (this.$parent && !this.$parent.find('>.loader-mask.shown').length) { |
123
|
|
|
// there are no more loaders for the element |
124
|
|
|
this.$parent.removeClass('loading'); |
125
|
|
|
} |
126
|
|
|
this.$parent = null; |
127
|
|
|
}, |
128
|
|
|
|
129
|
|
|
/** |
130
|
|
|
* Toggles loading mask |
131
|
|
|
* |
132
|
|
|
* @param {boolean=} visible |
133
|
|
|
*/ |
134
|
|
|
toggle: function(visible) { |
135
|
|
|
if (typeof visible === 'undefined') { |
136
|
|
|
visible = !this.isShown(); |
137
|
|
|
} |
138
|
|
|
this[visible ? 'show' : 'hide'](); |
139
|
|
|
}, |
140
|
|
|
|
141
|
|
|
/** |
142
|
|
|
* Returns state of loading mask |
143
|
|
|
* |
144
|
|
|
* @returns {boolean} |
145
|
|
|
*/ |
146
|
|
|
isShown: function() { |
147
|
|
|
return !this.disposed && this.$el.hasClass('shown'); |
148
|
|
|
}, |
149
|
|
|
|
150
|
|
|
/** |
151
|
|
|
* Sets loading hint for this mask |
152
|
|
|
* |
153
|
|
|
* @param {string} newHint |
154
|
|
|
*/ |
155
|
|
|
setLoadingHint: function(newHint) { |
156
|
|
|
var oldHint = this.loadingHint; |
157
|
|
|
this.loadingHint = newHint; |
158
|
|
|
this.render(); |
159
|
|
|
return oldHint; |
160
|
|
|
}, |
161
|
|
|
|
162
|
|
|
/** |
163
|
|
|
* @inheritDoc |
164
|
|
|
*/ |
165
|
|
|
dispose: function() { |
166
|
|
|
if (this.disposed) { |
167
|
|
|
return; |
168
|
|
|
} |
169
|
|
|
$(window).off('pagehide' + this.eventNamespace()); |
170
|
|
|
this.hide(true); |
171
|
|
|
LoadingMaskView.__super__.dispose.apply(this, arguments); |
172
|
|
|
} |
173
|
|
|
}); |
174
|
|
|
|
175
|
|
|
return LoadingMaskView; |
176
|
|
|
}); |
177
|
|
|
|