/*
    Tagger Widget v1.0
    Copyright (C) 2008 Chris Iufer (chris@iufer.com

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>
*/

(function($){
	
	$.fn.addTag = function(v){
		var r = v.split(',');
		for(var i in r){
			n = r[i].replace(/([^a-zA-Z0-9üäöÜÄÖß\s\-\_])|^\s|\s$/g, '');			
			if(n == '') {
				return false;
			}
			var fn = $(this).data('name');
			if ($(this).hasTag(fn, n)) {
				return false;
			}
			var i = $('<input type="hidden" />').attr('name',fn).val(n);
			var t = $('<li />').text(n).addClass('tag_span').addClass('text')
				.mouseover(function(){$(this).addClass('tag_span_hover')})
				.mouseout(function(){$(this).removeClass('tag_span_hover')})
				.click(function(){
					// remove
					var hidden = $(this).data('hidden');
					$(hidden).remove();
					$(this).remove();
				})
				.data('hidden',i);
			var l = $(this).data('list');
			$(l).append(t).append(i);
		}
	};
	
	$.fn.hasTag = function(input_name, tag_to_add){
		var inputs = $('input[name="' + input_name + '"]');
		var tag_found = false;

		inputs.each(function() {
			if ($(this).val().toLowerCase() == tag_to_add.toLowerCase()) {
				tag_found = true;
			}
		});

		return tag_found;
	};
	
})(jQuery);

$(document).ready(function(){
	$('.tagger').each(function(i){
		$(this).data('name', $(this).attr('name'));	
		$(this).removeAttr('name');
		var b = $('<button type="button">Add</button>').addClass('tagAdd')
			.click(function(){
				var tagger = $(this).data('tagger');
				$(tagger).addTag( $(tagger).val() );
				$(tagger).val('');
				$(tagger).stop();
			})
			.data('tagger', this);
		var l = $('<ul />').addClass('tagList');
		$(this).data('list', l);
		$('#tagCloudDiv').html(l);
		$(this).after(b);
	})
	.bind('keypress', function(e){
		if( 13 == e.keyCode){
			//console.log(e.keyCode);
			$(this).addTag( $(this).val() );
			$(this).val('');
			$(this).stop();
			return false;
		}
	});
});