// NETEYE Activity Indicator jQuery Plugin using SVG or VML. Version: 1.0.0

// AJOUT
function NbPair(Nb) {
if(Nb/2 == Math.round(Nb/2)) return true;
else return false;
}
// AJOUT
function isMultipleOf(ctour,nm) {
return ( ctour/nm == Math.round(ctour/nm) );
}

(function($) {
	$.fn.activity = function(opts) {
this.each(function() { var $this = $(this); var el = $this.data('activity');
if (el) {clearInterval(el.data('interval'));
el.remove();
$this.removeData('activity');
}
if (opts !== false) {
opts = $.extend({color: $this.css('color')}, $.fn.activity.defaults, opts);
el = render($this, opts).css('position', 'absolute').prependTo(opts.outside ? 'body' : $this);
var h = $this.outerHeight() - el.height();
var w = $this.outerWidth() - el.width();
var margin = { top: opts.valign == 'top' ? opts.padding : opts.valign == 'bottom' ? h - opts.padding : Math.floor(h / 2),
	left: opts.align == 'left' ? opts.padding : opts.align == 'right' ? w - opts.padding : Math.floor(w / 2)
};
var offset = $this.offset();
if (opts.outside) {el.css({top: offset.top + 'px', left: offset.left + 'px'});}
else { margin.top -= el.offset().top - offset.top; margin.left -= el.offset().left - offset.left;}
el.css({marginTop: margin.top + 'px', marginLeft: margin.left + 'px'});
animate(el, opts.segments, Math.round(10 / opts.speed) / 10);
$this.data('activity', el);	}
		});
	return this;
};
	
$.fn.activity.defaults = {segments: 12,	space: 3, length: 7, width: 4, speed: 1.2, align: 'center',	valign: 'center', padding: 4};
	
$.fn.activity.getOpacity = function(opts, i) {var steps = opts.steps || opts.segments-1;
var end = opts.opacity !== undefined ? opts.opacity : 1/steps;
return 1 - Math.min(i, steps) * (1 - end) / steps;
};
	
var render = function() {return $('<div>').addClass('busy');};
var animate = function() {	};

function svg(tag, attr) {
var el = document.createElementNS("http://www.w3.org/2000/svg", tag || 'svg');
if (attr) {$.each(attr, function(k, v) {el.setAttributeNS(null, k, v);});}
	return $(el);
}
	
if (document.createElementNS && document.createElementNS( "http://www.w3.org/2000/svg", "svg").createSVGRect) {
	
render = function(target, d) {var innerRadius = d.width*2 + d.space; var r = (innerRadius + d.length + Math.ceil(d.width / 2) + 1);
var el = svg().width(r*2).height(r*2);
var g = svg('g', { 'stroke-width': d.width, 'stroke-linecap': 'round', stroke: d.color
}).appendTo(svg('g', {transform: 'translate('+ r +','+ r +')'}).appendTo(el));
			
for (var i = 0; i < d.segments; i++) {g.append(svg('line', {
x1: 0, y1: innerRadius, x2: 0, y2: innerRadius + d.length, transform: 'rotate(' + (360 / d.segments * i) + ', 0, 0)', 
opacity: $.fn.activity.getOpacity(d, i)	}));
	}
return $('<div>').append(el).width(2*r).height(2*r);
};
		
if (document.createElement('div').style.WebkitAnimationName !== undefined) {var animations = {};
animate = function(el, steps, duration) {
if (!animations[steps]) {var name = 'spin' + steps;	var rule = '@-webkit-keyframes '+ name +' {';
	for (var i=0; i < steps; i++) { var p1 = Math.round(100000 / steps * i) / 1000;
	var p2 = Math.round(100000 / steps * (i+1) - 1) / 1000;
	var value = '% { -webkit-transform:rotate(' + Math.round(360 / steps * i) + 'deg); }\n';
	rule += p1 + value + p2 + value; 
}
rule += '100% { -webkit-transform:rotate(100deg); }\n}';
document.styleSheets[0].insertRule(rule);
animations[steps] = name;
		}
	el.css('-webkit-animation', animations[steps] + ' ' + duration +'s linear infinite');
}; } else {	animate = function(el, steps, duration) {
var rotation = 0; var g = el.find('g g').get(0);
el.data('interval', setInterval(function() {
g.setAttributeNS(null, 'transform', 'rotate(' + (++rotation % steps * (360 / steps)) + ')');

// AJOUT
if (isMultipleOf(rotation,12) == true) {xtour = parseInt(rotation)/12;
if (NbPair(xtour) == true)	{$('#busytxt').css('color','#FFFF00')} else {$('#busytxt').css('color','#000000')};
};
			},  duration * 1000 / steps));
		};
	}
}
	else {
		
var s = $('<shape>').css('behavior', 'url(#default#VML)').appendTo('body');
if (s.get(0).adj) {	var sheet = document.createStyleSheet();
$.each(['group', 'shape', 'stroke'], function() {
sheet.addRule(this, "behavior:url(#default#VML);");
});
render = function(target, d) {var innerRadius = d.width*2 + d.space;
var r = (innerRadius + d.length + Math.ceil(d.width / 2) + 1);
var s = r*2; var o = -Math.ceil(s/2);
			
var el = $('<group>', {coordsize: s + ' ' + s, coordorigin: o + ' ' + o}).css({top: o, left: o, width: s, height: s});
for (var i = 0; i < d.segments; i++) {
el.append($('<shape>', {path: 'm ' + innerRadius + ',0  l ' + (innerRadius + d.length) + ',0'}).css({
	width: s, height: s, rotation: (360 / d.segments * i) + 'deg'
	}).append($('<stroke>', {color: d.color, weight: d.width + 'px', endcap: 'round', opacity: $.fn.activity.getOpacity(d, i)})));
	}
return $('<group>', {coordsize: s + ' ' + s}).css({width: s, height: s, overflow: 'hidden'}).append(el);
};
animate = function(el, steps, duration) { var rotation = 0;	var g = el.get(0);
el.data('interval', setInterval(function() {
	g.style.rotation = ++rotation % steps * (360 / steps);
// AJOUT
if (isMultipleOf(rotation,12) == true) {
xtour = parseInt(rotation)/12;
if (NbPair(xtour) == true)	{$('#busytxt').css('color','#FFFF00')} else {$('#busytxt').css('color','#000000')};
};
	},  duration * 1000 / steps));
	};
}
	$(s).remove();
	}
})(jQuery);