/**
 * Font Controller
 * For creating a font size changer interface with minimum effort
 * Copyright (c) 2009 Hafees (http://cool-javascripts.com)
 * License: Free to use, modify, distribute as long as this header is kept :)
 * Modified by Shirley (sap@velvetblues.com)
 */

function fontSize(container, target, minSize, defSize, maxSize) {
    /*Editable settings*/
    var minCaption = "Уменьшить"; //title for smallFont button
    var maxCaption = "Увеличить"; //title for largefont button
    
    
    //Now we'll add the font size changer interface in container
    smallFontHtml = "<a href='javascript:void(0);' class='smallFont' title='" + minCaption +"'>" + minCaption +"</a>";
    largeFontHtml = "<a href='javascript:void(0);' class='largeFont' title='" + maxCaption +"'>" + maxCaption +"</a>";
    //$j(container).html("Размер текста" + largeFontHtml + smallFontHtml);
    
    //Read cookie & sets the fontsize
    if ($.cookie != undefined) {
        var cookie = target.replace(/[#. ]/g,'');
        var value = $.cookie(cookie);
        if (value !=null) {
            $(target).css('font-size', parseInt(value));
        }
    }
        
    //on clicking small font button, font size is decreased by 1px
    $(container + " .smallFont").click(function(){ 
        curSize = parseInt($(target).css("font-size"));
        newSize = curSize - 1;
        if (newSize >= minSize) {
            $(target).css('font-size', newSize);
        } 
        if (newSize <= minSize) {
            $(container + " .smallFont").addClass("sdisabled");
        }
        if (newSize < maxSize) {
            $(container + " .largeFont").removeClass("ldisabled");
        }
        updatefontCookie(target, newSize); //sets the cookie 
        
    });

    //on clicking default font size button, font size is reset
    $(container + " .defaultFont").click(function(){
        $(target).css('font-size', defSize);
        $(container + " .smallFont").removeClass("sdisabled");
        $(container + " .largeFont").removeClass("ldisabled");
        updatefontCookie(target, defSize);
    });

    //on clicking large font size button, font size is incremented by 1 to the maximum limit
    $(container + " .largeFont").click(function(){
        curSize = parseInt($(target).css("font-size"));
        newSize = curSize + 1;
        if (newSize <= maxSize) {
            $(target).css('font-size', newSize);
        } 
        if (newSize > minSize) {
            $(container + " .smallFont").removeClass("sdisabled");
        }
        if (newSize >= maxSize) {
            $(container + " .largeFont").addClass("ldisabled");
        }
        updatefontCookie(target, newSize);
    });

    function updatefontCookie(target, size) {
        if ($.cookie != undefined) { //If cookie plugin available, set a cookie
            var cookie = target.replace(/[#. ]/g,'');
            $.cookie(cookie, size);
        } 
    }
}