//
// Note: This file depends on the jQuery library.
//

// Automatically calls all functions in FORMALIZE.init
jQuery(document).ready(function () {
    FORMALIZE.go();
});

// Module pattern:
// http://yuiblog.com/blog/2007/06/12/module-pattern/
var FORMALIZE = (function ($, window, document, undefined) {
    // Private constants.
    var PLACEHOLDER_SUPPORTED = 'placeholder' in document.createElement('input');
    var AUTOFOCUS_SUPPORTED = 'autofocus' in document.createElement('input');
    var WEBKIT = 'webkitAppearance' in document.createElement('select').style;
    var IE6 = !!($.browser.msie && parseInt($.browser.version, 10) === 6);
    var IE7 = !!($.browser.msie && parseInt($.browser.version, 10) === 7);

    // Expose innards of FORMALIZE.
    return {
        // FORMALIZE.go
        go: function () {
            for (var i in FORMALIZE.init) {
                FORMALIZE.init[i]();
            }
        },
        // FORMALIZE.init
        init: {
            detect_webkit: function () {
                if (!WEBKIT) {
                    return;
                }

                // Tweaks for Safari + Chrome.
                $('html').addClass('is_webkit');
            },
            // FORMALIZE.init.full_input_size
            full_input_size: function () {
                if (!IE7 || !$('textarea, input.input_full').length) {
                    return;
                }

                // This fixes width: 100% on <textarea> and class="input_full".
                // It ensures that form elements don't go wider than container.
                $('textarea, input.input_full').wrap('<span class="input_full_wrap"></span>');
            },
            // FORMALIZE.init.ie6_skin_inputs
            ie6_skin_inputs: function () {
                // Test for Internet Explorer 6.
                if (!IE6 || !$('input, select, textarea').length) {
                    // Exit if the browser is not IE6,
                    // or if no form elements exist.
                    return;
                }

                // For <input type="submit" />, etc.
                var button_regex = /button|submit|reset/;

                // For <input type="text" />, etc.
                var type_regex = /date|datetime|datetime-local|email|month|number|password|range|search|tel|text|time|url|week/;

                $('input').each(function () {
                    var el = $(this);

                    // Is it a button?
                    if (this.getAttribute('type').match(button_regex)) {
                        el.addClass('ie6_button');

                        /* Is it disabled? */
                        if (this.disabled) {
                            el.addClass('ie6_button_disabled');
                        }
                    }
                    // Or is it a textual input?
                    else if (this.getAttribute('type').match(type_regex)) {
                        el.addClass('ie6_input');

                        /* Is it disabled? */
                        if (this.disabled) {
                            el.addClass('ie6_input_disabled');
                        }
                    }
                });

                $('textarea, select').each(function () {
                    /* Is it disabled? */
                    if (this.disabled) {
                        $(this).addClass('ie6_input_disabled');
                    }
                });
            },
            // FORMALIZE.init.placeholder
            placeholder: function () {
                if (PLACEHOLDER_SUPPORTED || !$(':input[placeholder]').length) {
                    // Exit if placeholder is supported natively,
                    // or if page does not have any placeholder.
                    return;
                }

                $(':input[placeholder]').each(function () {
                    var el = $(this);
                    var text = el.attr('placeholder');

                    function add_placeholder() {
                        if (!el.val() || el.val() === text) {
                            el.val(text).addClass('placeholder_text');
                        }
                    }

                    add_placeholder();

                    el.focus(function () {
                        if (el.val() === text) {
                            el.val('').removeClass('placeholder_text'); ;
                        }
                    }).blur(function () {
                        add_placeholder();
                    });

                    // Prevent <form> from accidentally
                    // submitting the placeholder text.
                    el.closest('form').submit(function () {
                        if (el.val() === text) {
                            el.val('');
                        }
                    }).bind('reset', function () {
                        setTimeout(add_placeholder, 50);
                    });
                });
            },
            // FORMALIZE.init.autofocus
            autofocus: function () {
                if (AUTOFOCUS_SUPPORTED || !$(':input[autofocus]').length) {
                    return;
                }

                $(':input[autofocus]:visible:first').select();
            }
        }
    };
    // Alias jQuery, window, document.
})(jQuery, this, this.document);