MainStMission/food-pantry-manager

/*!
 * jQuery twitter bootstrap wizard plugin
 * Examples and documentation at: http://github.com/VinceG/twitter-bootstrap-wizard
 * version 1.0
 * Requires jQuery v1.3.2 or later
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 * Authors: Vadim Vincent Gabriel (http://vadimg.com), Jason Gill (www.gilluminate.com)
 */
;(function($) {
var bootstrapWizardCreate = function(element, options) {
    var element = $(element);
    var obj = this;

    // Merge options with defaults
    var $settings = $.extend({}, $.fn.bootstrapWizard.defaults, options);
    var $activeTab = null;
    var $navigation = null;
    
    this.rebindClick = function(selector, fn)
    {
        selector.unbind('click', fn).one('click', fn);
    }

    this.fixNavigationButtons = function() {
        // Get the current active tab
        if(!$activeTab.length) {
            // Select first one
            $navigation.find('a:first').tab('show');
            $activeTab = $navigation.find('li:first');
        }

        // See if we're currently in the first/last then disable the previous and last buttons
        $($settings.previousSelector, element).toggleClass('disabled', (obj.firstIndex() >= obj.currentIndex()));
        $($settings.nextSelector, element).toggleClass('disabled', (obj.currentIndex() >= obj.navigationLength()));

        // We are unbinding and rebinding to ensure single firing and no double-click errors
        obj.rebindClick($($settings.nextSelector, element), obj.next);
        obj.rebindClick($($settings.previousSelector, element), obj.previous);
        obj.rebindClick($($settings.lastSelector, element), obj.last);
        obj.rebindClick($($settings.firstSelector, element), obj.first);

        if($settings.onTabShow && typeof $settings.onTabShow === 'function' && $settings.onTabShow($activeTab, $navigation, obj.currentIndex())===false){
            return false;
        }
    };

    this.next = function(e) {

        // If we clicked the last then dont activate this
        if(element.hasClass('last')) {
            return false;
        }

        if($settings.onNext && typeof $settings.onNext === 'function' && $settings.onNext($activeTab, $navigation, obj.nextIndex())===false){
            return false;
        }

        // Did we click the last button
        $index = obj.nextIndex();
        if($index > obj.navigationLength()) {
        } else {
            $navigation.find('li:eq('+$index+') a').tab('show');
        }
    };

    this.previous = function(e) {

        // If we clicked the first then dont activate this
        if(element.hasClass('first')) {
            return false;
        }

        if($settings.onPrevious && typeof $settings.onPrevious === 'function' && $settings.onPrevious($activeTab, $navigation, obj.previousIndex())===false){
            return false;
        }

        $index = obj.previousIndex();
        if($index < 0) {
        } else {
            $navigation.find('li:eq('+$index+') a').tab('show');
        }
    };

    this.first = function(e) {
        if($settings.onFirst && typeof $settings.onFirst === 'function' && $settings.onFirst($activeTab, $navigation, obj.firstIndex())===false){
            return false;
        }

        // If the element is disabled then we won't do anything
        if(element.hasClass('disabled')) {
            return false;
        }
        $navigation.find('li:eq(0) a').tab('show');

    };
    this.last = function(e) {
        if($settings.onLast && typeof $settings.onLast === 'function' && $settings.onLast($activeTab, $navigation, obj.lastIndex())===false){
            return false;
        }

        // If the element is disabled then we won't do anything
        if(element.hasClass('disabled')) {
            return false;
        }
        $navigation.find('li:eq('+obj.navigationLength()+') a').tab('show');
    };
    this.currentIndex = function() {
        return $navigation.find('li').index($activeTab);
    };
    this.firstIndex = function() {
        return 0;
    };
    this.lastIndex = function() {
        return obj.navigationLength();
    };
    this.getIndex = function(e) {
        return $navigation.find('li').index(e);
    };
    this.nextIndex = function() {
        return $navigation.find('li').index($activeTab) + 1;
    };
    this.previousIndex = function() {
        return $navigation.find('li').index($activeTab) - 1;
    };
    this.navigationLength = function() {
        return $navigation.find('li').length - 1;
    };
    this.activeTab = function() {
        return $activeTab;
    };
    this.nextTab = function() {
        return $navigation.find('li:eq('+(obj.currentIndex()+1)+')').length ? $navigation.find('li:eq('+(obj.currentIndex()+1)+')') : null;
    };
    this.previousTab = function() {
        if(obj.currentIndex() <= 0) {
            return null;
        }
        return $navigation.find('li:eq('+parseInt(obj.currentIndex()-1)+')');
    };
    this.show = function(index) {
        return element.find('li:eq(' + index + ') a').tab('show');
    };
    this.disable = function(index) {
        $navigation.find('li:eq('+index+')').addClass('disabled');
    };
    this.enable = function(index) {
        $navigation.find('li:eq('+index+')').removeClass('disabled');
    };
    this.hide = function(index) {
        $navigation.find('li:eq('+index+')').hide();
    };
    this.display = function(index) {
        $navigation.find('li:eq('+index+')').show();
    };
    this.remove = function(args) {
        var $index = args[0];
        var $removeTabPane = typeof args[1] != 'undefined' ? args[1] : false;
        var $item = $navigation.find('li:eq('+$index+')');

        // Remove the tab pane first if needed
        if($removeTabPane) {
            var $href = $item.find('a').attr('href');
            $($href).remove();
        }

        // Remove menu item
        $item.remove();
    };

    $navigation = element.find('ul:first', element);
    $activeTab = $navigation.find('li.active', element);

    if(!$navigation.hasClass($settings.tabClass)) {
        $navigation.addClass($settings.tabClass);
    }

    // Load onInit
    if($settings.onInit && typeof $settings.onInit === 'function'){
        $settings.onInit($activeTab, $navigation, 0);
    }

    // Load onShow
    if($settings.onShow && typeof $settings.onShow === 'function'){
        $settings.onShow($activeTab, $navigation, obj.nextIndex());
    }

    // Work the next/previous buttons
    obj.fixNavigationButtons();

    $('a[data-toggle="tab"]', $navigation).on('click', function (e) {
        // Get the index of the clicked tab
        var clickedIndex = $navigation.find('li').index($(e.currentTarget).parent('li'));
        if($settings.onTabClick && typeof $settings.onTabClick === 'function' && $settings.onTabClick($activeTab, $navigation, obj.currentIndex(), clickedIndex)===false){
            return false;
        }
    });

    $('a[data-toggle="tab"]', $navigation).on('shown', function (e) {  // use shown instead of show to help prevent double firing
        $element = $(e.target).parent();
        var nextTab = $navigation.find('li').index($element);

        // If it's disabled then do not change
        if($element.hasClass('disabled')) {
            return false;
        }

        if($settings.onTabChange && typeof $settings.onTabChange === 'function' && $settings.onTabChange($activeTab, $navigation, obj.currentIndex(), nextTab)===false){
                return false;
        }

        $activeTab = $element; // activated tab
        obj.fixNavigationButtons();
    });
};
$.fn.bootstrapWizard = function(options) {
    //expose methods
    if (typeof options == 'string') {
        var args = Array.prototype.slice.call(arguments, 1)
        if(args.length === 1) {
            args.toString();
        }
        return this.data('bootstrapWizard')[options](args);
    }
    return this.each(function(index){
        var element = $(this);
        // Return early if this element already has a plugin instance
        if (element.data('bootstrapWizard')) return;
        // pass options to plugin constructor
        var wizard = new bootstrapWizardCreate(element, options);
        // Store plugin object in this element's data
        element.data('bootstrapWizard', wizard);
    });
};

// expose options
$.fn.bootstrapWizard.defaults = {
    tabClass:         'nav nav-pills',
    nextSelector:     '.wizard li.next',
    previousSelector: '.wizard li.previous',
    firstSelector:    '.wizard li.first',
    lastSelector:     '.wizard li.last',
    onShow:           null,
    onInit:           null,
    onNext:           null,
    onPrevious:       null,
    onLast:           null,
    onFirst:          null,
    onTabChange:      null, 
    onTabClick:       null,
    onTabShow:        null
};

})(jQuery);