/**
 * Character and Line limit for jQuery
 * 
 * Copyright (c) 2008 Peter Szakszon
 * 
 * 
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */


(function($) {


	/**
	 * Plugin definition
	 */ 
	$.fn.characterLineLimit = function(options)
	{
		var lineSplitExp = /[\r\n]+/;
		
		var defs = {
			characterLimit:	50,
			lineLimit: 		10,
			counter: '',
			counter_message: 'Még %c karakter van hátra',
			dont_worry_about_commas: 1
		};
	    
		
		// Extend default options with those provided.
		var opts = $.extend(defs, options);

		
		// for key up
		$(this).keyup(check);
		// for keypress
		$(this).keypress(check);
		
		// for mouse right click, paste and lose focus
		$(this).change(check);
		
		
		
		
		
		// check after plugin init
		check(null);
		
		
		
		
		function check(e)
		{
			
			var text = $(this).val();
			if (text != '')
			{
				// check line limit
				var lines = text.split(lineSplitExp);
				
				if (lines.length > defs.lineLimit)
				{
					$(this).val(lines.slice(0, defs.lineLimit).join('\n'));
				}
				
				
				// check character limit
				if (text.length > defs.characterLimit)
				{
					text = text.substr(0, defs.characterLimit);
					$(this).val(text);
				}
			}

			if (defs.counter != '')
			{
				$('#' + defs.counter).text(defs.counter_message.replace('%c', defs.characterLimit - text.length));
			}
		}
	}
	
})(jQuery);