/**
 * 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 :)
 *
 */

/**
 * Required: jQuery 1.x library, 
 * Optional: jQuery Cookie Plugin (if used, the last used font size will be saved)
 * Usage: (For more details visit 
 * This function can be called inside a jQuery(document).ready()
 * Eg: fontSize("#controls", "#content", 9, 12, 20); where,
 * #controls - where control is the element id, where the controllers will be created.
 * #content - for which element the font size changes to apply. In this case font size of content div will be changed
 * 9 - minimum font size
 * 12 - default font size
 * 20 - maximum font size
 * 
 */

function fontSize(container, target, minSize, defSize, maxSize) {
	//Read cookie & sets the fontsize
	var fontsizer = jQuery.cookie('fontsize');
	if (fontsizer != null) {
		jQuery(target).css("font-size", fontsizer + "px");
	}

	//on clicking small font button, font size is decreased by 1px
	jQuery(container + " .smallFont").click(function(){ 
		curSize = parseInt(jQuery(target).css("font-size"));
		newSize = curSize - 1;
		if (newSize >= minSize) {
			jQuery(target).css('font-size', newSize);
		} 
		if (newSize <= minSize) {
			jQuery(container + " .smallFont").addClass("sdisabled");
		}
		if (newSize < maxSize) {
			jQuery(container + " .largeFont").removeClass("ldisabled");
		}
		updatefontCookie('fontsize', newSize); //sets the cookie 
		
	});

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

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

	function updatefontCookie(target, size) {
		if (jQuery.cookie != undefined) { //If cookie plugin available, set a cookie
			//var cookie = target.replace(/[#. ]/g,'');
			//jQuery.cookie(cookie, size);
			jQuery.cookie('fontsize', null);
			jQuery.cookie('fontsize', size, {path: '/', domain: '.lpcmee.nl'} );
		}
	}
}