/
core.js
394 lines (349 loc) · 9.27 KB
/
core.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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
/**
* Provides an interface for working with button-like DOM nodes
*
* @module button-core
* @since 3.5.0
*/
var getClassName = Y.ClassNameManager.getClassName,
AttributeCore = Y.AttributeCore;
/**
* Creates a button
*
* @class ButtonCore
* @uses AttributeCore
* @param config {Object} Configuration object
* @constructor
*/
function ButtonCore(config) {
this.initializer(config);
}
ButtonCore.prototype = {
/**
*
* @property TEMPLATE
* @type {String}
* @default <button/>
*/
TEMPLATE: '<button/>',
/**
*
* @property constructor
* @type {Object}
* @default ButtonCore
* @private
*/
constructor: ButtonCore,
/**
* @method initializer
* @description Internal init() handler.
* @param config {Object} Config object.
* @private
*/
initializer: function(config) {
this._initNode(config);
this._initAttributes(config);
this._renderUI(config);
},
/**
* @method _initNode
* @description Node initializer
* @param config {Object} Config object.
* @private
*/
_initNode: function(config) {
if (config.host) {
this._host = Y.one(config.host);
} else {
this._host = Y.Node.create(this.TEMPLATE);
}
},
/**
* @method _initAttributes
* @description Attribute initializer
* @param config {Object} Config object.
* @private
*/
_initAttributes: function(config) {
AttributeCore.call(this, ButtonCore.ATTRS, config);
},
/**
* @method renderUI
* @description Renders any UI/DOM elements for Button instances
* @param config {Object} Config object.
* @private
*/
_renderUI: function() {
var node = this.getNode(),
nodeName = node.get('nodeName').toLowerCase();
// Set some default node attributes
node.addClass(ButtonCore.CLASS_NAMES.BUTTON);
if (nodeName !== 'button' && nodeName !== 'input') {
node.set('role', 'button');
}
},
/**
* @method enable
* @description Sets the button's `disabled` DOM attribute to `false`
* @public
*/
enable: function() {
this.set('disabled', false);
},
/**
* @method disable
* @description Sets the button's `disabled` DOM attribute to `true`
* @public
*/
disable: function() {
this.set('disabled', true);
},
/**
* @method getNode
* @description Gets the button's host node
* @return {Node} The host node instance
* @public
*/
getNode: function() {
if (!this._host) {
// If this._host doesn't exist, that means this._initNode
// was never executed, meaning this is likely a Widget and
// the host node should point to the boundingBox.
this._host = this.get('boundingBox');
}
return this._host;
},
/**
* @method _getLabel
* @description Getter for a button's `label` ATTR
* @return {String} The text label of the button
* @private
*/
_getLabel: function () {
var node = this.getNode(),
label = ButtonCore._getTextLabelFromNode(node);
return label;
},
/**
* @method _getLabelHTML
* @description Getter for a button's `labelHTML` ATTR
* @return {String} The HTML label of the button
* @private
*/
_getLabelHTML: function () {
var node = this.getNode(),
labelHTML = ButtonCore._getHTMLFromNode(node);
return labelHTML;
},
/**
* @method _setLabel
* @description Setter for a button's `label` ATTR
* @param value {String} The value to set for `label`
* @param name {String} The name of this ATTR (`label`)
* @param opts {Object} Additional options
* @param opts.src {String} A string identifying the callee.
* `internal` will not sync this value with the `labelHTML` ATTR
* @return {String} The text label for the given node
* @private
*/
_setLabel: function (value, name, opts) {
var label = Y.Escape.html(value);
if (!opts || opts.src !== 'internal') {
this.set('labelHTML', label, {src: 'internal'});
}
return label;
},
/**
* @method _setLabelHTML
* @description Setter for a button's `labelHTML` ATTR
* @param value {String} The value to set for `labelHTML`
* @param name {String} The name of this ATTR (`labelHTML`)
* @param opts {Object} Additional options
* @param opts.src {String} A string identifying the callee.
* `internal` will not sync this value with the `label` ATTR
* @return {String} The HTML label for the given node
* @private
*/
_setLabelHTML: function (value, name, opts) {
var node = this.getNode(),
labelNode = ButtonCore._getLabelNodeFromParent(node),
nodeName = node.get('nodeName').toLowerCase();
if (nodeName === 'input') {
labelNode.set('value', value);
}
else {
labelNode.setHTML(value);
}
if (!opts || opts.src !== 'internal') {
this.set('label', value, {src: 'internal'});
}
return value;
},
/**
* @method _setDisabled
* @description Setter for the `disabled` ATTR
* @param value {boolean}
* @private
*/
_setDisabled: function(value) {
var node = this.getNode();
node.getDOMNode().disabled = value; // avoid rerunning setter when this === node
node.toggleClass(ButtonCore.CLASS_NAMES.DISABLED, value);
return value;
}
};
// ButtonCore inherits from AttributeCore
Y.mix(ButtonCore.prototype, AttributeCore.prototype);
/**
* Attribute configuration.
*
* @property ATTRS
* @type {Object}
* @protected
* @static
*/
ButtonCore.ATTRS = {
/**
* The text of the button's label
*
* @config label
* @type String
*/
label: {
setter: '_setLabel',
getter: '_getLabel',
lazyAdd: false
},
/**
* The HTML of the button's label
*
* This attribute accepts HTML and inserts it into the DOM **without**
* sanitization. This attribute should only be used with HTML that has
* either been escaped (using `Y.Escape.html`), or sanitized according to
* the requirements of your application.
*
* If all you need is support for text labels, please use the `label`
* attribute instead.
*
* @config labelHTML
* @type HTML
*/
labelHTML: {
setter: '_setLabelHTML',
getter: '_getLabelHTML',
lazyAdd: false
},
/**
* The button's enabled/disabled state
*
* @config disabled
* @type Boolean
*/
disabled: {
value: false,
setter: '_setDisabled',
lazyAdd: false
}
};
/**
* Name of this component.
*
* @property NAME
* @type String
* @static
*/
ButtonCore.NAME = "button";
/**
* Array of static constants used to identify the classnames applied to DOM nodes
*
* @property CLASS_NAMES
* @type {Object}
* @public
* @static
*/
ButtonCore.CLASS_NAMES = {
BUTTON : getClassName('button'),
DISABLED: getClassName('button', 'disabled'),
SELECTED: getClassName('button', 'selected'),
LABEL : getClassName('button', 'label')
};
/**
* Array of static constants used to for applying ARIA states
*
* @property ARIA_STATES
* @type {Object}
* @private
* @static
*/
ButtonCore.ARIA_STATES = {
PRESSED : 'aria-pressed',
CHECKED : 'aria-checked'
};
/**
* Array of static constants used to for applying ARIA roles
*
* @property ARIA_ROLES
* @type {Object}
* @private
* @static
*/
ButtonCore.ARIA_ROLES = {
BUTTON : 'button',
CHECKBOX: 'checkbox',
TOGGLE : 'toggle'
};
/**
* Finds the label node within a button
*
* @method _getLabelNodeFromParent
* @param node {Node} The parent node
* @return {Node} The label node
* @private
* @static
*/
ButtonCore._getLabelNodeFromParent = function (node) {
var labelNode = (node.one('.' + ButtonCore.CLASS_NAMES.LABEL) || node);
return labelNode;
};
/**
* Gets a text label from a node
*
* @method _getTextLabelFromNode
* @param node {Node} The parent node
* @return {String} The text label for a given node
* @private
* @static
*/
ButtonCore._getTextLabelFromNode = function (node) {
var labelNode = ButtonCore._getLabelNodeFromParent(node),
nodeName = labelNode.get('nodeName').toLowerCase(),
label = labelNode.get(nodeName === 'input' ? 'value' : 'text');
return label;
};
/**
* A utility method that gets an HTML label from a given node
*
* @method _getHTMLFromNode
* @param node {Node} The parent node
* @return {String} The HTML label for a given node
* @private
* @static
*/
ButtonCore._getHTMLFromNode = function (node) {
var labelNode = ButtonCore._getLabelNodeFromParent(node),
label = labelNode.getHTML();
return label;
};
/**
* Gets the disabled attribute from a node
*
* @method _getDisabledFromNode
* @param node {Node} The parent node
* @return {boolean} The disabled state for a given node
* @private
* @static
*/
ButtonCore._getDisabledFromNode = function (node) {
return node.get('disabled');
};
// Export ButtonCore
Y.ButtonCore = ButtonCore;