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twbs--bootstrap/js/button.js
2013-08-02 15:13:12 -07:00

109 lines
3 KiB
JavaScript

/* ========================================================================
* Bootstrap: button.js v3.0.0
* http://twbs.github.com/bootstrap/javascript.html#buttons
* ========================================================================
* Copyright 2013 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ======================================================================== */
+function ($) { "use strict";
// BUTTON PUBLIC CLASS DEFINITION
// ==============================
var Button = function (element, options) {
this.$element = $(element)
this.options = $.extend({}, Button.DEFAULTS, options)
}
Button.DEFAULTS = {
loadingText: 'loading...'
}
Button.prototype.setState = function (state) {
var d = 'disabled'
var $el = this.$element
var val = $el.is('input') ? 'val' : 'html'
var data = $el.data()
state = state + 'Text'
if (!data.resetText) $el.data('resetText', $el[val]())
$el[val](data[state] || this.options[state])
// push to event loop to allow forms to submit
setTimeout(function () {
state == 'loadingText' ?
$el.addClass(d).attr(d, d) :
$el.removeClass(d).removeAttr(d);
}, 0)
}
Button.prototype.toggle = function () {
var $parent = this.$element.closest('[data-toggle="buttons"]')
if ($parent.length) {
var $input = this.$element.find('input')
.prop('checked', !this.$element.hasClass('active'))
.trigger('change')
if ($input.prop('type') === 'radio') $parent.find('.active').removeClass('active')
}
this.$element.toggleClass('active')
}
// BUTTON PLUGIN DEFINITION
// ========================
var old = $.fn.button
$.fn.button = function (option) {
return this.each(function () {
var $this = $(this)
var data = $this.data('bs.button')
var options = typeof option == 'object' && option
if (!data) $this.data('bs.button', (data = new Button(this, options)))
if (option == 'toggle') data.toggle()
else if (option) data.setState(option)
})
}
$.fn.button.Constructor = Button
// BUTTON NO CONFLICT
// ==================
$.fn.button.noConflict = function () {
$.fn.button = old
return this
}
// BUTTON DATA-API
// ===============
$(document).on('click.bs.button.data-api', '[data-toggle^=button]', function (e) {
var $btn = $(e.target)
if (!$btn.hasClass('btn')) $btn = $btn.closest('.btn')
$btn.button('toggle')
e.preventDefault()
})
}(window.jQuery);