/**
 * Load css file of special browser.
 * 
 * @access public
 * @return void
 */
function loadFixedCSS()
{
    cssFile = '';
    if($.browser.msie && Math.floor(parseInt($.browser.version)) == 6)
    {
        cssFile = config.themeRoot + '/browser/ie.6.css';
    }
    else if($.browser.mozilla) 
    {
        cssFile = config.themeRoot + '/browser/firefox.css';
    }
    else if($.browser.opera) 
    {
        cssFile = config.themeRoot + '/browser/opera.css';
    }
    else if($.browser.safari) 
    {
        cssFile = config.themeRoot + '/browser/safari.css';
    }
    else if($.browser.chrome) 
    {
        cssFile = config.themeRoot + '/browser/chrome.css';
    }

    if(cssFile != '')
    {
        document.write("<link rel='stylesheet' href='" + cssFile + "' type='text/css' media='screen' />");
    }
}

/**
 * Create link. 
 * 
 * @param  string $moduleName 
 * @param  string $methodName 
 * @param  string $vars 
 * @param  string $viewType 
 * @access public
 * @return string
 */
function createLink(moduleName, methodName, vars, viewType)
{
    if(!viewType) viewType = config.defaultView;
    if(vars)
    {
        vars = vars.split('&');
        for(i = 0; i < vars.length; i ++) vars[i] = vars[i].split('=');
    }
    if(config.requestType == 'PATH_INFO')
    {
        link = config.webRoot + moduleName + config.requestFix + methodName;
        if(vars)
        {
            if(config.pathType == "full")
            {
                for(i = 0; i < vars.length; i ++) link += config.requestFix + vars[i][0] + config.requestFix + vars[i][1];
            }
            else
            {
                for(i = 0; i < vars.length; i ++) link += config.requestFix + vars[i][1];
            }
        }
        link += '.' + viewType;
    }
    else
    {
        link = config.router + '?' + config.moduleVar + '=' + moduleName + '&' + config.methodVar + '=' + methodName + '&' + config.viewVar + '=' + viewType;
        if(vars) for(i = 0; i < vars.length; i ++) link += '&' + vars[i][0] + '=' + vars[i][1];
    }
    return link;
}

/**
 * Set the ping url to keep the session.
 * 
 * @access public
 * @return void
 */
function setPing()
{
    $('#hiddenwin').attr('src', createLink('misc', 'ping'));
}

/**
 * Set required fields, add star class to them.
 *
 * @access public
 * @return void
 */
function setRequiredFields()
{
    if(!config.requiredFields) return false;
    requiredFields = config.requiredFields.split(',');
    for(i = 0; i < requiredFields.length; i++)
    {
        $('#' + requiredFields[i]).after('<span class="star"> * </span>');
    }
}

/**
 * Disable the submit button when submit form.
 * 
 * @access public
 * @return void
 */
function setForm()
{
    var formClicked = false;
    $('form').submit(function()
    {
        submitObj   = $(this).find(':submit');
        if($(submitObj).size() == 1)
        {
            submitLabel = $(submitObj).attr('value');
            $(submitObj).attr('disabled', 'disabled');
            $(submitObj).attr('value', config.submitting);
            $(submitObj).addClass('button-d');
            formClicked = true;
        }
    });

    $("body").click(function()
    {
        if(formClicked)
        {
            $(submitObj).removeAttr('disabled');
            $(submitObj).attr('value', submitLabel);
            $(submitObj).removeClass('button-d');
        }
        formClicked = false;
    });
}

/**
 * Set the max with of image.
 * 
 * @access public
 * @return void
 */
function setImageSize(image, maxWidth)
{
    if(!maxWidth) maxWidth = 700;   // In the page js, should define the maxWidth in int.
    if($(image).width() > maxWidth) $(image).attr('width', maxWidth);
    $(image).wrap('<a href="' + $(image).attr('src') + '" target="_blank"></a>')
}

/**
 * add one option of a select to another select. 
 * 
 * @param  string $SelectID 
 * @param  string $TargetID 
 * @access public
 * @return void
 */
function addItem(SelectID,TargetID)
{
    ItemList = document.getElementById(SelectID);
    Target   = document.getElementById(TargetID);
    for(var x = 0; x < ItemList.length; x++)
    {
        var opt = ItemList.options[x];
        if (opt.selected)
        {
            flag = true;
            for (var y=0;y<Target.length;y++)
            {
                var myopt = Target.options[y];
                if (myopt.value == opt.value)
                {
                    flag = false;
                }
            }
            if(flag)
            {
                Target.options[Target.options.length] = new Option(opt.text, opt.value, 0, 0);
            }
        }
    }
}

/**
 * Remove one selected option from a select.
 * 
 * @param  string $SelectID 
 * @access public
 * @return void
 */
function delItem(SelectID)
{
    ItemList = document.getElementById(SelectID);
    for(var x=ItemList.length-1;x>=0;x--)
    {
        var opt = ItemList.options[x];
        if (opt.selected)
        {
            ItemList.options[x] = null;
        }
    }
}

/**
 * move one selected option up from a select. 
 * 
 * @param  string $SelectID 
 * @access public
 * @return void
 */
function upItem(SelectID)
{
    ItemList = document.getElementById(SelectID);
    for(var x=1;x<ItemList.length;x++)
    {
        var opt = ItemList.options[x];
        if(opt.selected)
        {
            tmpUpValue = ItemList.options[x-1].value;
            tmpUpText  = ItemList.options[x-1].text;
            ItemList.options[x-1].value = opt.value;
            ItemList.options[x-1].text  = opt.text;
            ItemList.options[x].value = tmpUpValue;
            ItemList.options[x].text  = tmpUpText;
            ItemList.options[x-1].selected = true;
            ItemList.options[x].selected = false;
            break;
        }
    }
}

/**
 * move one selected option down from a select. 
 * 
 * @param  string $SelectID 
 * @access public
 * @return void
 */
function downItem(SelectID)
{
    ItemList = document.getElementById(SelectID);
    for(var x=0;x<ItemList.length;x++)
    {
        var opt = ItemList.options[x];
        if(opt.selected)
        {
            tmpUpValue = ItemList.options[x+1].value;
            tmpUpText  = ItemList.options[x+1].text;
            ItemList.options[x+1].value = opt.value;
            ItemList.options[x+1].text  = opt.text;
            ItemList.options[x].value = tmpUpValue;
            ItemList.options[x].text  = tmpUpText;
            ItemList.options[x+1].selected = true;
            ItemList.options[x].selected = false;
            break;
        }
    }
}

/**
 * selectItem 
 * select all items of a select. 
 * 
 * @param  string $SelectID 
 * @access public
 * @return void
 */
function selectItem(SelectID)
{
    ItemList = document.getElementById(SelectID);
    for(var x=ItemList.length-1;x>=0;x--)
    {
        var opt = ItemList.options[x];
        opt.selected = true;
    }
}

$(document).ready(function() 
{
    //setRequiredFields();
    needPing = config.runMode == 'admin' ? true : false;
    if(needPing) setTimeout('setPing()', 100 * 60 * 5);
    setForm();
})