/**
 * NetteForms - simple form validation.
 *
 * This file is part of the Nette Framework.
 * Copyright (c) 2004, 2011 David Grudl (http://davidgrudl.com)
 */

var Nette = Nette || {};

Nette.addEvent = function (element, on, callback) {
	var original = element['on' + on];
	element['on' + on] = function () {
		if (typeof original === 'function' && original.apply(element, arguments) === false) {
			return false;
		}
		return callback.apply(element, arguments);
	};
};


Nette.getValue = function(elem) {
	var i, len;
	if (!elem) {
		return null;

	} else if (!elem.nodeName) { // radio
		for (i = 0, len = elem.length; i < len; i++) {
			if (elem[i].checked) {
				return elem[i].value;
			}
		}
		return null;

	} else if (elem.nodeName.toLowerCase() === 'select') {
		var index = elem.selectedIndex, options = elem.options;

		if (index < 0) {
			return null;

		} else if (elem.type === 'select-one') {
			return options[index].value;
		}

		for (i = 0, values = [], len = options.length; i < len; i++) {
			if (options[i].selected) {
				values.push(options[i].value);
			}
		}
		return values;

	} else if (elem.type === 'checkbox') {
		return elem.checked;

	} else if (elem.type === 'radio') {
		return Nette.getValue(elem.form.elements[elem.name]);

	} else {
		return elem.value.replace(/^\s+|\s+$/g, '');
	}
};


Nette.validateControl = function(elem, rules, onlyCheck) {
	rules = rules || eval('[' + (elem.getAttribute('data-nette-rules') || '') + ']');
	for (var id = 0, len = rules.length; id < len; id++) {
		var rule = rules[id], op = rule.op.match(/(~)?([^?]+)/);
		rule.neg = op[1];
		rule.op = op[2];
		rule.condition = !!rule.rules;
		var el = rule.control ? elem.form.elements[rule.control] : elem;

		var success = Nette.validateRule(el, rule.op, rule.arg);
		if (success === null) { continue; }
		if (rule.neg) { success = !success; }

		if (rule.condition && success) {
			if (!Nette.validateControl(elem, rule.rules, onlyCheck)) {
				return false;
			}
		} else if (!rule.condition && !success) {
			if (el.disabled) { continue; }
			if (!onlyCheck) {
				Nette.addError(el, rule.msg.replace('%value', Nette.getValue(el)));
			}
			return false;
		}
	}
	return true;
};


Nette.validateForm = function(sender) {
	var form = sender.form || sender;
	if (form['nette-submittedBy'] && form['nette-submittedBy'].getAttribute('formnovalidate') !== null) {
		return true;
	}
	for (var i = 0; i < form.elements.length; i++) {
		var elem = form.elements[i];
		if (!(elem.nodeName.toLowerCase() in {input:1, select:1, textarea:1}) || (elem.type in {hidden:1, submit:1, image:1, reset: 1}) || elem.disabled || elem.readonly) {
			continue;
		}
		if (!Nette.validateControl(elem)) {
			return false;
		}
	}
	return true;
};


Nette.addError = function(elem, message) {
	if (elem.focus) {
		elem.focus();
	}
	if (message) {
		alert(message);
	}
};


Nette.validateRule = function(elem, op, arg) {
	var val = Nette.getValue(elem);

	if (elem.getAttribute) {
		if (val === elem.getAttribute('data-nette-empty-value')) { val = ''; }
	}

	if (op.charAt(0) === ':') {
		op = op.substr(1);
	}
	op = op.replace('::', '_');
  op = op.replace('\\', '');
	return Nette.validators[op] ? Nette.validators[op](elem, arg, val) : null;
};


Nette.validators = {
	filled: function(elem, arg, val) {
		return val !== '' && val !== false && val !== null;
	},

	valid: function(elem, arg, val) {
		return Nette.validateControl(elem, null, true);
	},

	equal: function(elem, arg, val) {
		if (arg === undefined) {
			return null;
		}
		arg = Nette.isArray(arg) ? arg : [arg];
		for (var i = 0, len = arg.length; i < len; i++) {
			if (val == (arg[i].control ? Nette.getValue(elem.form.elements[arg[i].control]) : arg[i])) {
				return true;
			}
		}
		return false;
	},

	minLength: function(elem, arg, val) {
		return val.length >= arg;
	},

	maxLength: function(elem, arg, val) {
		return val.length <= arg;
	},

	length: function(elem, arg, val) {
		arg = Nette.isArray(arg) ? arg : [arg, arg];
		return (arg[0] === null || val.length >= arg[0]) && (arg[1] === null || val.length <= arg[1]);
	},

	email: function(elem, arg, val) {
		return (/^[^@\s]+@[^@\s]+\.[a-z]{2,10}$/i).test(val);
	},

	url: function(elem, arg, val) {
		return (/^.+\.[a-z]{2,6}(\/.*)?$/i).test(val);
	},

	regexp: function(elem, arg, val) {
		var parts = typeof arg === 'string' ? arg.match(/^\/(.*)\/([imu]*)$/) : false;
		if (parts) { try {
			return (new RegExp(parts[1], parts[2].replace('u', ''))).test(val);
		} catch (e) {} }
	},

	pattern: function(elem, arg, val) {
		try {
			return typeof arg === 'string' ? (new RegExp('^(' + arg + ')$')).test(val) : null;
		} catch (e) {}
	},

	integer: function(elem, arg, val) {
		return (/^-?[0-9]+$/).test(val);
	},

	float: function(elem, arg, val) {
		return (/^-?[0-9]*[.,]?[0-9]+$/).test(val);
	},

	range: function(elem, arg, val) {
		return Nette.isArray(arg) ? ((arg[0] === null || parseFloat(val) >= arg[0]) && (arg[1] === null || parseFloat(val) <= arg[1])) : null;
	},

	submitted: function(elem, arg, val) {
		return elem.form['nette-submittedBy'] === elem;
	}
};


Nette.toggleForm = function(form) {
	for (var i = 0; i < form.elements.length; i++) {
		if (form.elements[i].nodeName.toLowerCase() in {input:1, select:1, textarea:1, button:1}) {
			Nette.toggleControl(form.elements[i]);
		}
	}
};


Nette.toggleControl = function(elem, rules, firsttime) {
	rules = rules || eval('[' + (elem.getAttribute('data-nette-rules') || '') + ']');
	var has = false, __hasProp = Object.prototype.hasOwnProperty, handler = function() { Nette.toggleForm(elem.form); };

	for (var id = 0, len = rules.length; id < len; id++) {
		var rule = rules[id], op = rule.op.match(/(~)?([^?]+)/);
		rule.neg = op[1];
		rule.op = op[2];
		rule.condition = !!rule.rules;
		if (!rule.condition) { continue; }

		var el = rule.control ? elem.form.elements[rule.control] : elem;
		var success = Nette.validateRule(el, rule.op, rule.arg);
		if (success === null) { continue; }
		if (rule.neg) { success = !success; }

		if (Nette.toggleControl(elem, rule.rules, firsttime) || rule.toggle) {
			has = true;
			if (firsttime) {
				if (!el.nodeName) { // radio
					for (var i = 0; i < el.length; i++) {
						Nette.addEvent(el[i], 'click', handler);
					}
				} else if (el.nodeName.toLowerCase() === 'select') {
					Nette.addEvent(el, 'change', handler);
				} else {
					Nette.addEvent(el, 'click', handler);
				}
			}
			for (var id2 in rule.toggle || []) {
				if (__hasProp.call(rule.toggle, id2)) { Nette.toggle(id2, success ? rule.toggle[id2] : !rule.toggle[id2]); }
			}
		}
	}
	return has;
};


Nette.toggle = function(id, visible) {
	var elem = document.getElementById(id);
	if (elem) {
		elem.style.display = visible ? "" : "none";
	}
};


Nette.initForm = function(form) {
	form.noValidate = true;

	Nette.addEvent(form, 'submit', function() {
		return Nette.validateForm(form);
	});

	Nette.addEvent(form, 'click', function(e) {
		e = e || event;
		var target = e.target || e.srcElement;
		form['nette-submittedBy'] = (target.type in {submit:1, image:1}) ? target : null;
	});

	for (var i = 0; i < form.elements.length; i++) {
		Nette.toggleControl(form.elements[i], null, true);
	}

	if (/MSIE/.exec(navigator.userAgent)) {
		var labels = {},
			wheelHandler = function() { return false; },
			clickHandler = function() { document.getElementById(this.htmlFor).focus(); return false; };

		for (i = 0, elms = form.getElementsByTagName('label'); i < elms.length; i++) {
			labels[elms[i].htmlFor] = elms[i];
		}

		for (i = 0, elms = form.getElementsByTagName('select'); i < elms.length; i++) {
			Nette.addEvent(elms[i], 'mousewheel', wheelHandler); // prevents accidental change in IE
			if (labels[elms[i].htmlId]) {
				Nette.addEvent(labels[elms[i].htmlId], 'click', clickHandler); // prevents deselect in IE 5 - 6
			}
		}
	}
};


Nette.isArray = function(arg) {
	return Object.prototype.toString.call(arg) === '[object Array]';
};


Nette.addEvent(window, 'load', function () {
	for (var i = 0; i < document.forms.length; i++) {
		Nette.initForm(document.forms[i]);
	}
});

/**
 * jQuery.ScrollTo - Easy element scrolling using jQuery.
 * Copyright (c) 2007-2009 Ariel Flesler - aflesler(at)gmail(dot)com | http://flesler.blogspot.com
 * Dual licensed under MIT and GPL.
 * Date: 5/25/2009
 * @author Ariel Flesler
 * @version 1.4.2
 *
 * http://flesler.blogspot.com/2007/10/jqueryscrollto.html
 */
;(function(d){var k=d.scrollTo=function(a,i,e){d(window).scrollTo(a,i,e)};k.defaults={axis:'xy',duration:parseFloat(d.fn.jquery)>=1.3?0:1};k.window=function(a){return d(window)._scrollable()};d.fn._scrollable=function(){return this.map(function(){var a=this,i=!a.nodeName||d.inArray(a.nodeName.toLowerCase(),['iframe','#document','html','body'])!=-1;if(!i)return a;var e=(a.contentWindow||a).document||a.ownerDocument||a;return d.browser.safari||e.compatMode=='BackCompat'?e.body:e.documentElement})};d.fn.scrollTo=function(n,j,b){if(typeof j=='object'){b=j;j=0}if(typeof b=='function')b={onAfter:b};if(n=='max')n=9e9;b=d.extend({},k.defaults,b);j=j||b.speed||b.duration;b.queue=b.queue&&b.axis.length>1;if(b.queue)j/=2;b.offset=p(b.offset);b.over=p(b.over);return this._scrollable().each(function(){var q=this,r=d(q),f=n,s,g={},u=r.is('html,body');switch(typeof f){case'number':case'string':if(/^([+-]=)?\d+(\.\d+)?(px|%)?$/.test(f)){f=p(f);break}f=d(f,this);case'object':if(f.is||f.style)s=(f=d(f)).offset()}d.each(b.axis.split(''),function(a,i){var e=i=='x'?'Left':'Top',h=e.toLowerCase(),c='scroll'+e,l=q[c],m=k.max(q,i);if(s){g[c]=s[h]+(u?0:l-r.offset()[h]);if(b.margin){g[c]-=parseInt(f.css('margin'+e))||0;g[c]-=parseInt(f.css('border'+e+'Width'))||0}g[c]+=b.offset[h]||0;if(b.over[h])g[c]+=f[i=='x'?'width':'height']()*b.over[h]}else{var o=f[h];g[c]=o.slice&&o.slice(-1)=='%'?parseFloat(o)/100*m:o}if(/^\d+$/.test(g[c]))g[c]=g[c]<=0?0:Math.min(g[c],m);if(!a&&b.queue){if(l!=g[c])t(b.onAfterFirst);delete g[c]}});t(b.onAfter);function t(a){r.animate(g,j,b.easing,a&&function(){a.call(this,n,b)})}}).end()};k.max=function(a,i){var e=i=='x'?'Width':'Height',h='scroll'+e;if(!d(a).is('html,body'))return a[h]-d(a)[e.toLowerCase()]();var c='client'+e,l=a.ownerDocument.documentElement,m=a.ownerDocument.body;return Math.max(l[h],m[h])-Math.min(l[c],m[c])};function p(a){return typeof a=='object'?a:{top:a,left:a}}})(jQuery);

(function($){
    $('.scroller').click(function() {
        $(window).scrollTo($(this).attr('href'), 500);
        return false;
    })
    
    $('a.button').click(function() {
        $next = $(this).next();
        $parent = $(this).parent();
        $toggled = $('#works li > div').filter(':visible').not($(this).next());
        if($toggled.length == 1) {
            $.scrollTo($toggled.parent(), 500, {
                onAfter: function() {
                    $toggled.slideUp(250, 'swing', function() {
                        $.scrollTo($parent, 500, {
                            onAfter: function() {
                                $next.slideToggle(500, 'swing');
                            }
                        });
                    })
                }
            });
        } else {
            $.scrollTo($parent, 500, {
                onAfter: function() {
                    $next.slideToggle( (($next.height() * 500) / 1500), 'swing'); // dynamically calculate time of animation, so speed will be the same no matter how large div is
                }
            });
        }
        return false;
    })
    
    $('a.close').click(function() {
        $(this).parent().prev().click();
        return false;
    });
    
    $('#works li > div').hide();
    if(window.location.hash != '' && window.location.hash != '#') { // initial scroll
        $menuItem = $('#works li > div').filter('#' + window.location.hash);
        if($menuItem.length == 1) { // hash points to some portfolio item
            $menuItem.prev().click();
        } else {
            $.scrollTo(window.location.hash, 500);
        }
    }
    /**
     * Portfolio divs must have width in PX because of jquery slideDown, so we have to dynamically recalculate fixed width od divs on resize
     */
    $(window).resize(function() {
        $('#works li > div').css('width', $('footer > .cols').css('width'));
    });
    $(window).resize();
})(jQuery);