/* --------------------------------------------- jQuery fontSizer 1.0 tested on jQuery 1.2.6.min (by now) Copyright (c) 2008 Rodrigo Augosto http://www.protoboard.cl Licensed under the GPL : http://www.gnu.org/licenses/gpl.html Hosted in: http://www.csslab.cl/2008/08/07/jquery-plugin-fontsizer/ How to use: 1. include jquery.js and jquery.fontSizer.js between tags. 2. give id's for both links, for example #increase (+) and #decrease (-) 3. initialize the plugin, like the folowing: $(document).ready(function(){ $('#increase').fontSizer({ action: "up" }); $('#decrease').fontSizer({ action: 'down', }); 4. that's it. now, the parameters: - action: "up/down" (required) - elements: "element" (which element will be influenced by the font-size) - increment: number (how many steps will increase/decrease the font-size) - max: number (max. font-size) - min: number (min. font-size) --------------------------------------------- */ ;(function($) { $.fn.fontSizer = function(settings){ defaults = { action: "up", increment: 2, max: 16, min: 12, widget: {css: ["mas","menos"]}, headers: {}, debug: false }, this.click(function(){ if(settings['elements'] == "") return; elements = settings['elements']; var action = $.trim((settings['action']==undefined)? defaults.action:settings['action']); var factor = parseInt((settings['increment']==undefined)? defaults.increment:settings['increment']); var max = parseInt((settings['max']==undefined)? defaults.max:settings['max']); var min = parseInt((settings['min']==undefined)? defaults.min:settings['min']); var patron = /px$/; if ($(elements).children().size() == 0){ tamanno = $(elements).css('font-size'); if (action == "up"){ new_tamanno = parseInt(tamanno.replace(patron, '')) + factor; if(new_tamanno > max){ return; } } else{ new_tamanno = parseInt(tamanno.replace(patron, '')) - factor; if(new_tamanno < min){ return; } } $(elements).css('font-size',new_tamanno+'px'); } else{ $(elements).children().each(function(){ tamanno = $(this).css('font-size'); if (action == "up"){ new_tamanno = parseInt(tamanno.replace(patron, '')) + factor; if(new_tamanno > max){ return; } } else{ new_tamanno = parseInt(tamanno.replace(patron, '')) - factor; if(new_tamanno < min){ return; } } $(this).css('font-size',new_tamanno+'px'); }); } }) } })(jQuery);