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source: trunk/themes/default/js/ui/jquery.ui.spinner.js @ 20824

Last change on this file since 20824 was 20824, checked in by rvelices, 11 years ago
upgraded jquery ui from 1.9.0 to 1.10.1
File size: 12.1 KB

Line
1	/*!
2	* jQuery UI Spinner 1.10.1
3	* http://jqueryui.com
4	*
5	* Copyright 2013 jQuery Foundation and other contributors
6	* Released under the MIT license.
7	* http://jquery.org/license
8	*
9	* http://api.jqueryui.com/spinner/
10	*
11	* Depends:
12	* jquery.ui.core.js
13	* jquery.ui.widget.js
14	* jquery.ui.button.js
15	*/
16	(function( $ ) {
17
18	function modifier( fn ) {
19	return function() {
20	var previous = this.element.val();
21	fn.apply( this, arguments );
22	this._refresh();
23	if ( previous !== this.element.val() ) {
24	this._trigger( "change" );
25	}
26	};
27	}
28
29	$.widget( "ui.spinner", {
30	version: "1.10.1",
31	defaultElement: "<input>",
32	widgetEventPrefix: "spin",
33	options: {
34	culture: null,
35	icons: {
36	down: "ui-icon-triangle-1-s",
37	up: "ui-icon-triangle-1-n"
38	},
39	incremental: true,
40	max: null,
41	min: null,
42	numberFormat: null,
43	page: 10,
44	step: 1,
45
46	change: null,
47	spin: null,
48	start: null,
49	stop: null
50	},
51
52	_create: function() {
53	// handle string values that need to be parsed
54	this._setOption( "max", this.options.max );
55	this._setOption( "min", this.options.min );
56	this._setOption( "step", this.options.step );
57
58	// format the value, but don't constrain
59	this._value( this.element.val(), true );
60
61	this._draw();
62	this._on( this._events );
63	this._refresh();
64
65	// turning off autocomplete prevents the browser from remembering the
66	// value when navigating through history, so we re-enable autocomplete
67	// if the page is unloaded before the widget is destroyed. #7790
68	this._on( this.window, {
69	beforeunload: function() {
70	this.element.removeAttr( "autocomplete" );
71	}
72	});
73	},
74
75	_getCreateOptions: function() {
76	var options = {},
77	element = this.element;
78
79	$.each( [ "min", "max", "step" ], function( i, option ) {
80	var value = element.attr( option );
81	if ( value !== undefined && value.length ) {
82	options[ option ] = value;
83	}
84	});
85
86	return options;
87	},
88
89	_events: {
90	keydown: function( event ) {
91	if ( this._start( event ) && this._keydown( event ) ) {
92	event.preventDefault();
93	}
94	},
95	keyup: "_stop",
96	focus: function() {
97	this.previous = this.element.val();
98	},
99	blur: function( event ) {
100	if ( this.cancelBlur ) {
101	delete this.cancelBlur;
102	return;
103	}
104
105	this._refresh();
106	if ( this.previous !== this.element.val() ) {
107	this._trigger( "change", event );
108	}
109	},
110	mousewheel: function( event, delta ) {
111	if ( !delta ) {
112	return;
113	}
114	if ( !this.spinning && !this._start( event ) ) {
115	return false;
116	}
117
118	this._spin( (delta > 0 ? 1 : -1) * this.options.step, event );
119	clearTimeout( this.mousewheelTimer );
120	this.mousewheelTimer = this._delay(function() {
121	if ( this.spinning ) {
122	this._stop( event );
123	}
124	}, 100 );
125	event.preventDefault();
126	},
127	"mousedown .ui-spinner-button": function( event ) {
128	var previous;
129
130	// We never want the buttons to have focus; whenever the user is
131	// interacting with the spinner, the focus should be on the input.
132	// If the input is focused then this.previous is properly set from
133	// when the input first received focus. If the input is not focused
134	// then we need to set this.previous based on the value before spinning.
135	previous = this.element[0] === this.document[0].activeElement ?
136	this.previous : this.element.val();
137	function checkFocus() {
138	var isActive = this.element[0] === this.document[0].activeElement;
139	if ( !isActive ) {
140	this.element.focus();
141	this.previous = previous;
142	// support: IE
143	// IE sets focus asynchronously, so we need to check if focus
144	// moved off of the input because the user clicked on the button.
145	this._delay(function() {
146	this.previous = previous;
147	});
148	}
149	}
150
151	// ensure focus is on (or stays on) the text field
152	event.preventDefault();
153	checkFocus.call( this );
154
155	// support: IE
156	// IE doesn't prevent moving focus even with event.preventDefault()
157	// so we set a flag to know when we should ignore the blur event
158	// and check (again) if focus moved off of the input.
159	this.cancelBlur = true;
160	this._delay(function() {
161	delete this.cancelBlur;
162	checkFocus.call( this );
163	});
164
165	if ( this._start( event ) === false ) {
166	return;
167	}
168
169	this._repeat( null, $( event.currentTarget ).hasClass( "ui-spinner-up" ) ? 1 : -1, event );
170	},
171	"mouseup .ui-spinner-button": "_stop",
172	"mouseenter .ui-spinner-button": function( event ) {
173	// button will add ui-state-active if mouse was down while mouseleave and kept down
174	if ( !$( event.currentTarget ).hasClass( "ui-state-active" ) ) {
175	return;
176	}
177
178	if ( this._start( event ) === false ) {
179	return false;
180	}
181	this._repeat( null, $( event.currentTarget ).hasClass( "ui-spinner-up" ) ? 1 : -1, event );
182	},
183	// TODO: do we really want to consider this a stop?
184	// shouldn't we just stop the repeater and wait until mouseup before
185	// we trigger the stop event?
186	"mouseleave .ui-spinner-button": "_stop"
187	},
188
189	_draw: function() {
190	var uiSpinner = this.uiSpinner = this.element
191	.addClass( "ui-spinner-input" )
192	.attr( "autocomplete", "off" )
193	.wrap( this._uiSpinnerHtml() )
194	.parent()
195	// add buttons
196	.append( this._buttonHtml() );
197
198	this.element.attr( "role", "spinbutton" );
199
200	// button bindings
201	this.buttons = uiSpinner.find( ".ui-spinner-button" )
202	.attr( "tabIndex", -1 )
203	.button()
204	.removeClass( "ui-corner-all" );
205
206	// IE 6 doesn't understand height: 50% for the buttons
207	// unless the wrapper has an explicit height
208	if ( this.buttons.height() > Math.ceil( uiSpinner.height() * 0.5 ) &&
209	uiSpinner.height() > 0 ) {
210	uiSpinner.height( uiSpinner.height() );
211	}
212
213	// disable spinner if element was already disabled
214	if ( this.options.disabled ) {
215	this.disable();
216	}
217	},
218
219	_keydown: function( event ) {
220	var options = this.options,
221	keyCode = $.ui.keyCode;
222
223	switch ( event.keyCode ) {
224	case keyCode.UP:
225	this._repeat( null, 1, event );
226	return true;
227	case keyCode.DOWN:
228	this._repeat( null, -1, event );
229	return true;
230	case keyCode.PAGE_UP:
231	this._repeat( null, options.page, event );
232	return true;
233	case keyCode.PAGE_DOWN:
234	this._repeat( null, -options.page, event );
235	return true;
236	}
237
238	return false;
239	},
240
241	_uiSpinnerHtml: function() {
242	return "<span class='ui-spinner ui-widget ui-widget-content ui-corner-all'></span>";
243	},
244
245	_buttonHtml: function() {
246	return "" +
247	"<a class='ui-spinner-button ui-spinner-up ui-corner-tr'>" +
248	"<span class='ui-icon " + this.options.icons.up + "'>▲</span>" +
249	"</a>" +
250	"<a class='ui-spinner-button ui-spinner-down ui-corner-br'>" +
251	"<span class='ui-icon " + this.options.icons.down + "'>▼</span>" +
252	"</a>";
253	},
254
255	_start: function( event ) {
256	if ( !this.spinning && this._trigger( "start", event ) === false ) {
257	return false;
258	}
259
260	if ( !this.counter ) {
261	this.counter = 1;
262	}
263	this.spinning = true;
264	return true;
265	},
266
267	_repeat: function( i, steps, event ) {
268	i = i \|\| 500;
269
270	clearTimeout( this.timer );
271	this.timer = this._delay(function() {
272	this._repeat( 40, steps, event );
273	}, i );
274
275	this._spin( steps * this.options.step, event );
276	},
277
278	_spin: function( step, event ) {
279	var value = this.value() \|\| 0;
280
281	if ( !this.counter ) {
282	this.counter = 1;
283	}
284
285	value = this._adjustValue( value + step * this._increment( this.counter ) );
286
287	if ( !this.spinning \|\| this._trigger( "spin", event, { value: value } ) !== false) {
288	this._value( value );
289	this.counter++;
290	}
291	},
292
293	_increment: function( i ) {
294	var incremental = this.options.incremental;
295
296	if ( incremental ) {
297	return $.isFunction( incremental ) ?
298	incremental( i ) :
299	Math.floor( iii/50000 - ii/500 + 17i/200 + 1 );
300	}
301
302	return 1;
303	},
304
305	_precision: function() {
306	var precision = this._precisionOf( this.options.step );
307	if ( this.options.min !== null ) {
308	precision = Math.max( precision, this._precisionOf( this.options.min ) );
309	}
310	return precision;
311	},
312
313	_precisionOf: function( num ) {
314	var str = num.toString(),
315	decimal = str.indexOf( "." );
316	return decimal === -1 ? 0 : str.length - decimal - 1;
317	},
318
319	_adjustValue: function( value ) {
320	var base, aboveMin,
321	options = this.options;
322
323	// make sure we're at a valid step
324	// - find out where we are relative to the base (min or 0)
325	base = options.min !== null ? options.min : 0;
326	aboveMin = value - base;
327	// - round to the nearest step
328	aboveMin = Math.round(aboveMin / options.step) * options.step;
329	// - rounding is based on 0, so adjust back to our base
330	value = base + aboveMin;
331
332	// fix precision from bad JS floating point math
333	value = parseFloat( value.toFixed( this._precision() ) );
334
335	// clamp the value
336	if ( options.max !== null && value > options.max) {
337	return options.max;
338	}
339	if ( options.min !== null && value < options.min ) {
340	return options.min;
341	}
342
343	return value;
344	},
345
346	_stop: function( event ) {
347	if ( !this.spinning ) {
348	return;
349	}
350
351	clearTimeout( this.timer );
352	clearTimeout( this.mousewheelTimer );
353	this.counter = 0;
354	this.spinning = false;
355	this._trigger( "stop", event );
356	},
357
358	_setOption: function( key, value ) {
359	if ( key === "culture" \|\| key === "numberFormat" ) {
360	var prevValue = this._parse( this.element.val() );
361	this.options[ key ] = value;
362	this.element.val( this._format( prevValue ) );
363	return;
364	}
365
366	if ( key === "max" \|\| key === "min" \|\| key === "step" ) {
367	if ( typeof value === "string" ) {
368	value = this._parse( value );
369	}
370	}
371	if ( key === "icons" ) {
372	this.buttons.first().find( ".ui-icon" )
373	.removeClass( this.options.icons.up )
374	.addClass( value.up );
375	this.buttons.last().find( ".ui-icon" )
376	.removeClass( this.options.icons.down )
377	.addClass( value.down );
378	}
379
380	this._super( key, value );
381
382	if ( key === "disabled" ) {
383	if ( value ) {
384	this.element.prop( "disabled", true );
385	this.buttons.button( "disable" );
386	} else {
387	this.element.prop( "disabled", false );
388	this.buttons.button( "enable" );
389	}
390	}
391	},
392
393	_setOptions: modifier(function( options ) {
394	this._super( options );
395	this._value( this.element.val() );
396	}),
397
398	_parse: function( val ) {
399	if ( typeof val === "string" && val !== "" ) {
400	val = window.Globalize && this.options.numberFormat ?
401	Globalize.parseFloat( val, 10, this.options.culture ) : +val;
402	}
403	return val === "" \|\| isNaN( val ) ? null : val;
404	},
405
406	_format: function( value ) {
407	if ( value === "" ) {
408	return "";
409	}
410	return window.Globalize && this.options.numberFormat ?
411	Globalize.format( value, this.options.numberFormat, this.options.culture ) :
412	value;
413	},
414
415	_refresh: function() {
416	this.element.attr({
417	"aria-valuemin": this.options.min,
418	"aria-valuemax": this.options.max,
419	// TODO: what should we do with values that can't be parsed?
420	"aria-valuenow": this._parse( this.element.val() )
421	});
422	},
423
424	// update the value without triggering change
425	_value: function( value, allowAny ) {
426	var parsed;
427	if ( value !== "" ) {
428	parsed = this._parse( value );
429	if ( parsed !== null ) {
430	if ( !allowAny ) {
431	parsed = this._adjustValue( parsed );
432	}
433	value = this._format( parsed );
434	}
435	}
436	this.element.val( value );
437	this._refresh();
438	},
439
440	_destroy: function() {
441	this.element
442	.removeClass( "ui-spinner-input" )
443	.prop( "disabled", false )
444	.removeAttr( "autocomplete" )
445	.removeAttr( "role" )
446	.removeAttr( "aria-valuemin" )
447	.removeAttr( "aria-valuemax" )
448	.removeAttr( "aria-valuenow" );
449	this.uiSpinner.replaceWith( this.element );
450	},
451
452	stepUp: modifier(function( steps ) {
453	this._stepUp( steps );
454	}),
455	_stepUp: function( steps ) {
456	if ( this._start() ) {
457	this._spin( (steps \|\| 1) * this.options.step );
458	this._stop();
459	}
460	},
461
462	stepDown: modifier(function( steps ) {
463	this._stepDown( steps );
464	}),
465	_stepDown: function( steps ) {
466	if ( this._start() ) {
467	this._spin( (steps \|\| 1) * -this.options.step );
468	this._stop();
469	}
470	},
471
472	pageUp: modifier(function( pages ) {
473	this._stepUp( (pages \|\| 1) * this.options.page );
474	}),
475
476	pageDown: modifier(function( pages ) {
477	this._stepDown( (pages \|\| 1) * this.options.page );
478	}),
479
480	value: function( newVal ) {
481	if ( !arguments.length ) {
482	return this._parse( this.element.val() );
483	}
484	modifier( this._value ).call( this, newVal );
485	},
486
487	widget: function() {
488	return this.uiSpinner;
489	}
490	});
491
492	}( jQuery ) );

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