/*
 * SimpleModal 1.3 - jQuery Plugin
 * http://www.ericmmartin.com/projects/simplemodal/
 * Copyright (c) 2009 Eric Martin
 * Dual licensed under the MIT and GPL licenses
 * Revision: $Id: jquery.simplemodal.js 205 2009-06-12 13:29:21Z emartin24 $
 */
;
(function($){
    var ie6 = $.browser.msie && parseInt($.browser.version) == 6 && typeof window['XMLHttpRequest'] != "object", ieQuirks = null, w = [];
    $.modal = function(data, options){
        return $.modal.impl.init(data, options);
    };
    $.modal.close = function(){
        $.modal.impl.close();
    };
    $.fn.modal = function(options){
        return $.modal.impl.init(this, options);
    };
    $.modal.defaults = {
        appendTo: 'body',
        focus: true,
        opacity: 80,
        overlayId: 'simplemodal-overlay',
        overlayCss: {},
        containerId: 'simplemodal-container',
        containerCss: {},
        dataId: 'simplemodal-data',
        dataCss: {},
        minHeight: 200,
        minWidth: 300,
        maxHeight: null,
        maxWidth: null,
        autoResize: false,
        zIndex: 1000,
        close: true,
        closeHTML: '<a class="modalCloseImg" title="Close"></a>',
        closeClass: 'simplemodal-close',
        escClose: true,
        overlayClose: false,
        position: null,
        persist: false,
        onOpen: null,
        onShow: null,
        onClose: null
    };
    $.modal.impl = {
        opts: null,
        dialog: {},
        init: function(data, options){
            if (this.dialog.data) {
                return false;
            }
            ieQuirks = $.browser.msie && !$.boxModel;
            this.opts = $.extend({}, $.modal.defaults, options);
            this.zIndex = this.opts.zIndex;
            this.occb = false;
            if (typeof data == 'object') {
                data = data instanceof jQuery ? data : $(data);
                if (data.parent().parent().size() > 0) {
                    this.dialog.parentNode = data.parent();
                    if (!this.opts.persist) {
                        this.dialog.orig = data.clone(true);
                    }
                }
            }
            else 
                if (typeof data == 'string' || typeof data == 'number') {
                    data = $('<div/>').html(data);
                }
                else {
                    alert('SimpleModal Error: Unsupported data type: ' + typeof data);
                    return false;
                }
            this.create(data);
            data = null;
            this.open();
            if ($.isFunction(this.opts.onShow)) {
                this.opts.onShow.apply(this, [this.dialog]);
            }
            return this;
        },
        create: function(data){
            w = this.getDimensions();
            if (ie6) {
                this.dialog.iframe = $('<iframe src="javascript:false;"/>').css($.extend(this.opts.iframeCss, {
                    display: 'none',
                    opacity: 0,
                    position: 'fixed',
                    height: w[0],
                    width: w[1],
                    zIndex: this.opts.zIndex,
                    top: 0,
                    left: 0
                })).appendTo(this.opts.appendTo);
            }
            this.dialog.overlay = $('<div/>').attr('id', this.opts.overlayId).addClass('simplemodal-overlay').css($.extend(this.opts.overlayCss, {
                display: 'none',
                opacity: this.opts.opacity / 100,
                height: w[0],
                width: w[1],
                position: 'fixed',
                left: 0,
                top: 0,
                zIndex: this.opts.zIndex + 1
            })).appendTo(this.opts.appendTo);
            this.dialog.container = $('<div/>').attr('id', this.opts.containerId).addClass('simplemodal-container').css($.extend(this.opts.containerCss, {
                display: 'none',
                position: 'fixed',
                zIndex: this.opts.zIndex + 2
            })).append(this.opts.close && this.opts.closeHTML ? $(this.opts.closeHTML).addClass(this.opts.closeClass) : '').appendTo(this.opts.appendTo);
            this.dialog.wrap = $('<div/>').attr('tabIndex', -1).addClass('simplemodal-wrap').css({
                height: '100%',
                outline: 0,
                width: '100%'
            }).appendTo(this.dialog.container);
            this.dialog.data = data.attr('id', data.attr('id') || this.opts.dataId).addClass('simplemodal-data').css($.extend(this.opts.dataCss, {
                display: 'none'
            }));
            data = null;
            this.setContainerDimensions();
            this.dialog.data.appendTo(this.dialog.wrap);
            if (ie6 || ieQuirks) {
                this.fixIE();
            }
        },
        bindEvents: function(){
            var self = this;
            $('.' + self.opts.closeClass).bind('click.simplemodal', function(e){
                e.preventDefault();
                self.close();
            });
            if (self.opts.close && self.opts.overlayClose) {
                self.dialog.overlay.bind('click.simplemodal', function(e){
                    e.preventDefault();
                    self.close();
                });
            }
            $(document).bind('keydown.simplemodal', function(e){
                if (self.opts.focus && e.keyCode == 9) {
                    self.watchTab(e);
                }
                else 
                    if ((self.opts.close && self.opts.escClose) && e.keyCode == 27) {
						e.preventDefault();
                        self.close();
                    }
            });
            $(window).bind('resize.simplemodal', function(){
                w = self.getDimensions();
                self.opts.autoResize ? self.setContainerDimensions() : self.setPosition();
                if (ie6 || ieQuirks) {
                    self.fixIE();
                }
                else {
                    self.dialog.iframe && self.dialog.iframe.css({
                        height: w[0],
                        width: w[1]
                    });
                    self.dialog.overlay.css({
                        height: w[0],
                        width: w[1]
                    });
                }
            });
        },
        unbindEvents: function(){
            $('.' + this.opts.closeClass).unbind('click.simplemodal');
            $(document).unbind('keydown.simplemodal');
            $(window).unbind('resize.simplemodal');
            this.dialog.overlay.unbind('click.simplemodal');
        },
        fixIE: function(){
            var p = this.opts.position;
            $.each([this.dialog.iframe || null, this.dialog.overlay, this.dialog.container], function(i, el){
                if (el) {
                    var bch = 'document.body.clientHeight', bcw = 'document.body.clientWidth', bsh = 'document.body.scrollHeight', bsl = 'document.body.scrollLeft', bst = 'document.body.scrollTop', bsw = 'document.body.scrollWidth', ch = 'document.documentElement.clientHeight', cw = 'document.documentElement.clientWidth', sl = 'document.documentElement.scrollLeft', st = 'document.documentElement.scrollTop', s = el[0].style;
                    s.position = 'absolute';
                    if (i < 2) {
                        s.removeExpression('height');
                        s.removeExpression('width');
                        s.setExpression('height', '' + bsh + ' > ' + bch + ' ? ' + bsh + ' : ' + bch + ' + "px"');
                        s.setExpression('width', '' + bsw + ' > ' + bcw + ' ? ' + bsw + ' : ' + bcw + ' + "px"');
                    }
                    else {
                        var te, le;
                        if (p && p.constructor == Array) {
                            var top = p[0] ? typeof p[0] == 'number' ? p[0].toString() : p[0].replace(/px/, '') : el.css('top').replace(/px/, '');
                            te = top.indexOf('%') == -1 ? top + ' + (t = ' + st + ' ? ' + st + ' : ' + bst + ') + "px"' : parseInt(top.replace(/%/, '')) + ' * ((' + ch + ' || ' + bch + ') / 100) + (t = ' + st + ' ? ' + st + ' : ' + bst + ') + "px"';
                            if (p[1]) {
                                var left = typeof p[1] == 'number' ? p[1].toString() : p[1].replace(/px/, '');
                                le = left.indexOf('%') == -1 ? left + ' + (t = ' + sl + ' ? ' + sl + ' : ' + bsl + ') + "px"' : parseInt(left.replace(/%/, '')) + ' * ((' + cw + ' || ' + bcw + ') / 100) + (t = ' + sl + ' ? ' + sl + ' : ' + bsl + ') + "px"';
                            }
                        }
                        else {
                            te = '(' + ch + ' || ' + bch + ') / 2 - (this.offsetHeight / 2) + (t = ' + st + ' ? ' + st + ' : ' + bst + ') + "px"';
                            le = '(' + cw + ' || ' + bcw + ') / 2 - (this.offsetWidth / 2) + (t = ' + sl + ' ? ' + sl + ' : ' + bsl + ') + "px"';
                        }
                        s.removeExpression('top');
                        s.removeExpression('left');
                        s.setExpression('top', te);
                        s.setExpression('left', le);
                    }
                }
            });
        },
        focus: function(pos){
            var self = this, p = pos || 'first';
            var input = $(':input:enabled:visible:' + p, self.dialog.wrap);
            input.length > 0 ? input.focus() : self.dialog.wrap.focus();
        },
        getDimensions: function(){
            var el = $(window);
            var h = $.browser.opera && $.browser.version > '9.5' && $.fn.jquery <= '1.2.6' ? document.documentElement['clientHeight'] : $.browser.opera && $.browser.version < '9.5' && $.fn.jquery > '1.2.6' ? window.innerHeight : el.height();
            return [h, el.width()];
        },
        getVal: function(v){
            return v == 'auto' ? 0 : parseInt(v.replace(/px/, ''));
        },
        setContainerDimensions: function(){
            var ch = this.getVal(this.dialog.container.css('height')), cw = this.dialog.container.width(), dh = this.dialog.data.height(), dw = this.dialog.data.width();
            var mh = this.opts.maxHeight && this.opts.maxHeight < w[0] ? this.opts.maxHeight : w[0], mw = this.opts.maxWidth && this.opts.maxWidth < w[1] ? this.opts.maxWidth : w[1];
            if (!ch) {
                if (!dh) {
                    ch = this.opts.minHeight;
                }
                else {
                    if (dh > mh) {
                        ch = mh;
                    }
                    else 
                        if (dh < this.opts.minHeight) {
                            ch = this.opts.minHeight;
                        }
                        else {
                            ch = dh;
                        }
                }
            }
            else {
                ch = ch > mh ? mh : ch;
            }
            if (!cw) {
                if (!dw) {
                    cw = this.opts.minWidth;
                }
                else {
                    if (dw > mw) {
                        cw = mw;
                    }
                    else 
                        if (dw < this.opts.minWidth) {
                            cw = this.opts.minWidth;
                        }
                        else {
                            cw = dw;
                        }
                }
            }
            else {
                cw = cw > mw ? mw : cw;
            }
            this.dialog.container.css({
                height: ch,
                width: cw
            });
            if (dh > ch || dw > cw) {
                this.dialog.wrap.css({
                    overflow: 'auto'
                });
            }
            this.setPosition();
        },
        setPosition: function(){
            var top, left, hc = (w[0] / 2) - ((this.dialog.container.height() || this.dialog.data.height()) / 2), vc = (w[1] / 2) - ((this.dialog.container.width() || this.dialog.data.width()) / 2);
            if (this.opts.position && this.opts.position.constructor == Array) {
                top = this.opts.position[0] || hc;
                left = this.opts.position[1] || vc;
            }
            else {
                top = hc;
                left = vc;
            }
            this.dialog.container.css({
                left: left,
                top: top
            });
        },
        watchTab: function(e){
            var self = this;
            if ($(e.target).parents('.simplemodal-container').length > 0) {
                self.inputs = $(':input:enabled:visible:first, :input:enabled:visible:last', self.dialog.data);
                if (!e.shiftKey && e.target == self.inputs[self.inputs.length - 1] || e.shiftKey && e.target == self.inputs[0] || self.inputs.length == 0) {
                    e.preventDefault();
                    var pos = e.shiftKey ? 'last' : 'first';
                    setTimeout(function(){
                        self.focus(pos);
                    }, 10);
                }
            }
            else {
                e.preventDefault();
                setTimeout(function(){
                    self.focus();
                }, 10);
            }
        },
        open: function(){
            this.dialog.iframe && this.dialog.iframe.show();
            if ($.isFunction(this.opts.onOpen)) {
                this.opts.onOpen.apply(this, [this.dialog]);
            }
            else {
                this.dialog.overlay.show();
                this.dialog.container.show();
                this.dialog.data.show();
            }
            this.focus();
            this.bindEvents();
        },
        close: function(){
            if (!this.dialog.data) {
                return false;
            }
            this.unbindEvents();
            if ($.isFunction(this.opts.onClose) && !this.occb) {
                this.occb = true;
                this.opts.onClose.apply(this, [this.dialog]);
            }
            else {
                if (this.dialog.parentNode) {
                    if (this.opts.persist) {
                        this.dialog.data.hide().appendTo(this.dialog.parentNode);
                    }
                    else {
                        this.dialog.data.hide().remove();
                        this.dialog.orig.appendTo(this.dialog.parentNode);
                    }
                }
                else {
                    this.dialog.data.hide().remove();
                }
                this.dialog.container.hide().remove();
                this.dialog.overlay.hide().remove();
                this.dialog.iframe && this.dialog.iframe.hide().remove();
                this.dialog = {};
            }
        }
    };
})(jQuery);
