/*
jQuery Fieldtag Plugin
* Version 1.1
* 2009-05-07 10:10:35
* URL: http://ajaxcssblog.com/jquery/fieldtag-watermark-inputfields/
* Description: jQuery Plugin to dynamically tag an inputfield, with a class and/or text
* Author: Matthias Jäggli
* Copyright: Copyright (c) 2009 Matthias Jäggli under dual MIT/GPL license.
*
* Changelog
* 1.1
* Support for proper clearing while submitting the form of tagged fields
* 1.0
* Initial release
*/
(function($) {
	$.fn.fieldtag = function(options) {
		var opt = $.extend({
			markedClass: "tagged",
			standardText: false
		}, options);
		$(this)
			.bind("reset", function() {
				if (!this.changed) {
					this.clear();
				}
			})
			.focus(function() {
				if (!this.changed) {
					this.clear();
				}
			})
			.blur(function() {
				if (!this.changed) {
					this.addTag();
				}
			})
			.keyup(function() {
				this.changed = ($(this).val() ? true : false);
			})
			.change(function() {//for mouse-paste
				this.changed = ($(this).val() ? true : false);
			})
			.each(function() {
				this.title = $(this).attr("title"); //strange IE6 Bug, sometimes
				if ($(this).val() == $(this).attr("title")) {
					this.changed = false;
				}
				this.clear = function() {
					if (!this.changed) {
						$(this)
							.val("")
							.removeClass(opt.markedClass);
					}
				}
				this.addTag = function() {
					$(this)
						.val(opt.standardText === false ? this.title : opt.standardText)
						.addClass(opt.markedClass);
				}
				if (this.form) {

					this.form.tagFieldsToClear = this.form.tagFieldsToClear || [];
					this.form.tagFieldsToClear.push(this);

					if (this.form.tagFieldsAreCleared) { return true; }
					this.form.tagFieldsAreCleared = true;

					$(this.form).submit(function() {
						$(this.tagFieldsToClear).each(function() {
							this.clear();
						});
					});
				}
			})
			.keyup()
			.blur();
		return $(this);
	}
})(jQuery);