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The JWebSwing implementation for Bootstrap
There is a newer version: 0.66.0.1
/* ========================================================================
 * Bootstrap: button.js v3.3.7
 * http://getbootstrap.com/javascript/#buttons
 * ========================================================================
 * Copyright 2011-2016 Twitter, Inc.
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * ======================================================================== */


+function ($) {
    'use strict';

    // BUTTON PUBLIC CLASS DEFINITION
    // ==============================

    var Button = function (element, options) {
        this.$element = $(element);
        this.options = $.extend({}, Button.DEFAULTS, options);
        this.isLoading = false
    };

    Button.VERSION = '3.3.7';

    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 += 'Text';

        if (data.resetText == null) $el.data('resetText', $el[val]());

        // push to event loop to allow forms to submit
        setTimeout($.proxy(function () {
            $el[val](data[state] == null ? this.options[state] : data[state]);

            if (state == 'loadingText') {
                this.isLoading = true;
                $el.addClass(d).attr(d, d).prop(d, true)
            } else if (this.isLoading) {
                this.isLoading = false;
                $el.removeClass(d).removeAttr(d).prop(d, false)
            }
        }, this), 0)
    };

    Button.prototype.toggle = function () {
        var changed = true;
        var $parent = this.$element.closest('[data-toggle="buttons"]');

        if ($parent.length) {
            var $input = this.$element.find('input');
            if ($input.prop('type') == 'radio') {
                if ($input.prop('checked')) changed = false;
                $parent.find('.active').removeClass('active');
                this.$element.addClass('active')
            } else if ($input.prop('type') == 'checkbox') {
                if (($input.prop('checked')) !== this.$element.hasClass('active')) changed = false;
                this.$element.toggleClass('active')
            }
            $input.prop('checked', this.$element.hasClass('active'));
            if (changed) $input.trigger('change')
        } else {
            this.$element.attr('aria-pressed', !this.$element.hasClass('active'));
            this.$element.toggleClass('active')
        }
    };


    // BUTTON PLUGIN DEFINITION
    // ========================

    function Plugin(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)
        })
    }

    var old = $.fn.button;

    $.fn.button = Plugin;
    $.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 = $(e.target).closest('.btn');
            Plugin.call($btn, 'toggle');
            if (!($(e.target).is('input[type="radio"], input[type="checkbox"]'))) {
                // Prevent double click on radios, and the double selections (so cancellation) on checkboxes
                e.preventDefault();
                // The target component still receive the focus
                if ($btn.is('input,button')) $btn.trigger('focus');
                else $btn.find('input:visible,button:visible').first().trigger('focus')
            }
        })
        .on('focus.bs.button.data-api blur.bs.button.data-api', '[data-toggle^="button"]', function (e) {
            $(e.target).closest('.btn').toggleClass('focus', /^focus(in)?$/.test(e.type))
        })

}(jQuery);