/*
 * jqModal - Minimalist Modaling with jQuery
 *
 * Copyright (c) 2007 Brice Burgess <bhb@iceburg.net>, http://www.iceburg.net
 * Licensed under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 * 
 * $Version: 2007.02.25 +r9
 */
(function($) {
    $.fn.jqm = function(o){
        var _o = {
            zIndex: 3000,
            overlay: 50,
            overlayClass: 'jqmOverlay',
            closeClass: 'jqmClose',
            trigger: '.jqModal',
            ajax: false,
            target: false,
            modal: false,
            onShow: false,
            onHide: false,
            onLoad: false
        };

        return this.each(function(){
            if(this._jqm) 
                return; 
                
            s++; 
            this._jqm = s;
            
            hash[s] = {c:$.extend(_o, o),a:false,w:$(this).addClass('jqmID'+s),s:s};

            if(_o.trigger)
                $(this).jqmAddTrigger(_o.trigger);
        });    
    }

    $.fn.jqmAddClose = function(e){
        hs(this,e,'jqmHide'); 
        return this;
    }
    
    $.fn.jqmAddTrigger = function(e){
        hs(this,e,'jqmShow'); 
        return this;
    }
    
    $.fn.jqmShow = function(t){
        return this.each(function(){
            if(!hash[this._jqm].a)
                $.jqm.open(this._jqm,t)
        });
    }
    
    $.fn.jqmHide = function(t){
        return this.each(function(){
            if(hash[this._jqm].a)
                $.jqm.close(this._jqm,t)
        });
    }

    $.jqm = {
        open:function(s,t){
            var h = hash[s];
            var c = h.c;
            var cc = '.' + c.closeClass;
            var z = (/^\d+$/.test(h.w.css('z-index'))) ? h.w.css('z-index') : c.zIndex;
            var pageSize = loadingLayout.getPageSize();
            var o = $('<div></div>').css({
                height:pageSize[1] + 'px',
                width:'100%',
                position:'absolute',
                left:0,
                top:0,
                'z-index':z-1,
                opacity:c.overlay/100
            });
            
            h.t = t;
            h.a = true;
            h.w.css('z-index',z);
 
            if(c.modal) {
                if(ma.length == 0)mf('bind');
                    ma.push(s);
                
                o.css('cursor','wait');
            }
            else if(c.overlay > 0)
                h.w.jqmAddClose(o);
            else 
                o=false;

             h.o = (o) ? o.addClass(c.overlayClass).appendTo('body') : false;
             
             if(ie6){
                $('html,body').css('height','100%');
                if(o){
                    o=o.css({position:'absolute'})[0];
                    for(var y in {Top:1,Left:1})
                        o.style.setExpression(y.toLowerCase(),"(_=(document.documentElement.scroll"+y+" || document.body.scroll"+y+"))+'px'");
                }
            }

            if(c.ajax) {
                var r=c.target,u=c.ajax;
                
                r=(r) ? (typeof r == 'string') ? $(r,h.w) : $(r) : h.w; 
                u=(u.substr(0,1) == '@') ? $(t).attr(u.substring(1)) : u;
                r.load(u,function(){
                    if(c.onLoad)
                        c.onLoad.call(this,h);
                    if(cc)
                        h.w.jqmAddClose($(cc,h.w));
                    f(h);
                });
            }
            else if(cc)
                h.w.jqmAddClose($(cc,h.w));

            (c.onShow) ? c.onShow(h) : h.w.show();
            f(h);
            
            return false;
        },

        close : function(s){
            var h=hash[s];
            h.a=false;
            if(ma.length != 0){
                ma.pop();
                if(ma.length == 0)
                    mf('unbind');
            }
            
            if(h.c.onHide)
                h.c.onHide(h);
            else{
                h.w.hide();
                if(h.o)
                    h.o.remove();
            } 
            
            return false;
        }
    };
    
    var s=0;
    var hash={};
    var ma=[];
    var ie6 = $.browser.msie && typeof XMLHttpRequest == 'function';
    var i = $('<iframe class="jqm"></iframe>').css({opacity:0});
    var f = function(h){
        if(ie6)
            if(h.o)
                h.o.html('<p style="width:100%;height:100%"/>').prepend(i);
            else if($('iframe.jqm',h.w).length == 0)
                h.w.prepend(i);
                
        h.f = $(':input:visible',h.w)[0] || h.w[0];
        //h.f.focus();
    };
    var mf = function(t){
        $()[t]("keypress",m)[t]("keydown",m)[t]("mousedown",m);
    };
    var m = function(e) {
        var h = hash[ma[ma.length-1]];
        var r = (!$(e.target).parents('.jqmID'+h.s).length == 0);
        
        if(!r) {
            var disabled = $(h.f).attr("disabled") || false;
            
            if(!disabled) {
                h.f.focus();
            }
        }
        
            return r;
    };
    var hs = function(w,e,y){
        var s=[];
        
        w.each(function(){
            s.push(this._jqm)
        });
        
        $(e).each(function(){
            if(this[y])
                $.extend(this[y],s);
            else{
                this[y]=s;
                
                $(this).click(function(){
                    for(var i in {jqmShow:1,jqmHide:1})
                        for(var s in this[i])
                            if(hash[this[i][s]])
                                hash[this[i][s]].w[i](this);
                
                    return false;
                });
            }});
    };
})(jQuery);