[dygraphs.git] / tests / custom-circles.html

<!DOCTYPE html>
<html>
  <head>
    <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7; IE=EmulateIE9">
    <title>Custom Circles</title>
    <!--[if IE]>
    <script type="text/javascript" src="../excanvas.js"></script>
    <![endif]-->
    <!--
    For production (minified) code, use:
    <script type="text/javascript" src="dygraph-combined.js"></script>
    -->
    <script type="text/javascript" src="../dygraph-dev.js"></script>

  </head>
  <body>
    <h2>Custom circles and hover circles</h2>

    <script type="text/javascript">
      // Simple version
      var div = document.createElement('div');
      document.body.appendChild(div);

      var data = 'x,A,B\n' +
        '1,1,2\n' +
        '2,2,4\n' +
        '3,3,6\n' +
        '4,4,8\n' +
        '5,5,7\n';
      var g = new Dygraph(div, data, {
            drawPoints : true,
            pointSize : 5,
            highlightCircleSize: 8,
            A : {
              drawPointCallback : Dygraph.Circles.TRIANGLE,
              drawHighlightPointCallback : Dygraph.Circles.TRIANGLE
            },
            B : {
              drawPointCallback : Dygraph.Circles.HEXAGON,
              drawHighlightPointCallback : Dygraph.Circles.HEXAGON
            }
        });


      // Fancy demos
      var smile = function(g, series, ctx, cx, cy, color, radius) {
        mouthlessFace(g, series, ctx, cx, cy, color, radius);

        ctx.fillStyle = "#000000";
        ctx.beginPath();
        ctx.arc(cx, cy, radius - 2, .3, Math.PI - .3, false);
        ctx.stroke();
      };

      var frown = function(g, series, ctx, cx, cy, color, radius) {
        mouthlessFace(g, series, ctx, cx, cy, color, radius);

        ctx.lineWidth = 1;
        ctx.fillStyle = "#000000";
        ctx.beginPath();
        ctx.arc(cx, cy + radius, radius - 2, Math.PI + .3, -.3, false);
        ctx.stroke();
      };

      var mouthlessFace = function(g, series, ctx, cx, cy, color, radius) {
        ctx.lineWidth = 1;
        ctx.strokeStyle = "#000000";
        ctx.fillStyle = "#FFFF00";
        ctx.beginPath();
        ctx.arc(cx, cy, radius, Math.PI * 2, false);
        ctx.closePath();
        ctx.stroke();
        ctx.fill();

        ctx.fillStyle = "#000000";
        ctx.beginPath();
        ctx.arc(cx - (radius / 3) , cy - (radius / 4), 1, Math.PI * 2, false);
        ctx.closePath();
        ctx.stroke();
        ctx.fill();

        ctx.beginPath();
        ctx.arc(cx + (radius / 3) , cy - (radius / 4), 1, Math.PI * 2, false);
        ctx.closePath();
        ctx.stroke();
        ctx.fill();
      };

      var makeGraph = function(title, yFunc, extraOpts) {
        var opts = {
            drawPoints : true,
            pointSize : 5
        };

        var shapes = [];
        var addShape = function(name, pointFn, highlightPointFn) {
          shapes.push(name);
          opts[name] = {
            drawPointCallback: pointFn,
            drawHighlightPointCallback: highlightPointFn
          };
        };

        for (var shape in Dygraph.Circles) {
          if (!Dygraph.Circles.hasOwnProperty(shape)) continue;
          var fn = Dygraph.Circles[shape];
          if (typeof fn !== 'function') continue;
          addShape(shape.toLowerCase(), fn, fn);
        };
        addShape('custom', frown, smile);

        for (var key in extraOpts) {
          if (extraOpts.hasOwnProperty(key)) {
            opts[key] = extraOpts[key];
          }
        };

        var header = document.createElement('h3');
        header.appendChild(document.createTextNode(title));
        document.body.appendChild(header);

        var div = document.createElement('div');
        document.body.appendChild(div);

        var g = new Dygraph(
          div,
          function() {
            var r = "xval," + shapes.join(',') + "\n";
            var n = shapes.length;
            for (var i=1; i<=20; i++) {
              r += i;
              for (var j = 0; j < n; j++) {
                r += "," + yFunc(i, j, n);
              }
              r += "\n";
            }
            return r;
          }, opts);
        };

        makeGraph(
          "Gallery of predefined shapes, adding a custom shape:",
          function(x, c, n) {
            return x / 3 + c * 10;
          }, {
            highlightCircleSize : 8
          });
        makeGraph(
          "With interactive per-series highlighting:",
          function(x, c, n) {
            return Math.sin(x * c / n);
          }, {
            strokeBorderWidth: 2,
            highlightSeriesOpts: {
              pointSize: 6,
              highlightCircleSize: 10,
              strokeWidth: 2,
            }});
    </script>
</body>
</html>
Commit	Line	Data
773d1312 RK	1	<!DOCTYPE html>
	2	<html>
	3	<head>
	4	<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7; IE=EmulateIE9">
240c0b11	5	<title>Custom Circles</title>
773d1312 RK	6	<!--[if IE]>
	7	<script type="text/javascript" src="../excanvas.js"></script>
	8	<![endif]-->
	9	<!--
	10	For production (minified) code, use:
	11	<script type="text/javascript" src="dygraph-combined.js"></script>
	12	-->
	13	<script type="text/javascript" src="../dygraph-dev.js"></script>
	14
	15	</head>
	16	<body>
240c0b11	17	<h2>Custom circles and hover circles</h2>
773d1312 RK	18
773d1312 RK	19	<script type="text/javascript">
a7803eea KW	20	// Simple version
	21	var div = document.createElement('div');
	22	document.body.appendChild(div);
	23
	24	var data = 'x,A,B\n' +
	25	'1,1,2\n' +
	26	'2,2,4\n' +
	27	'3,3,6\n' +
	28	'4,4,8\n' +
	29	'5,5,7\n';
	30	var g = new Dygraph(div, data, {
	31	drawPoints : true,
	32	pointSize : 5,
	33	highlightCircleSize: 8,
	34	A : {
	35	drawPointCallback : Dygraph.Circles.TRIANGLE,
	36	drawHighlightPointCallback : Dygraph.Circles.TRIANGLE
	37	},
	38	B : {
	39	drawPointCallback : Dygraph.Circles.HEXAGON,
	40	drawHighlightPointCallback : Dygraph.Circles.HEXAGON
	41	}
	42	});
	43
	44
	45	// Fancy demos
240c0b11 RK	46	var smile = function(g, series, ctx, cx, cy, color, radius) {
240c0b11 RK	47	mouthlessFace(g, series, ctx, cx, cy, color, radius);
773d1312	48
240c0b11 RK	49	ctx.fillStyle = "#000000";
	50	ctx.beginPath();
	51	ctx.arc(cx, cy, radius - 2, .3, Math.PI - .3, false);
	52	ctx.stroke();
	53	};
	54
	55	var frown = function(g, series, ctx, cx, cy, color, radius) {
	56	mouthlessFace(g, series, ctx, cx, cy, color, radius);
	57
a8ef67a8	58	ctx.lineWidth = 1;
240c0b11 RK	59	ctx.fillStyle = "#000000";
240c0b11 RK	60	ctx.beginPath();
4ab51f75	61	ctx.arc(cx, cy + radius, radius - 2, Math.PI + .3, -.3, false);
240c0b11 RK	62	ctx.stroke();
240c0b11 RK	63	};
773d1312	64
240c0b11	65	var mouthlessFace = function(g, series, ctx, cx, cy, color, radius) {
a8ef67a8	66	ctx.lineWidth = 1;
240c0b11 RK	67	ctx.strokeStyle = "#000000";
	68	ctx.fillStyle = "#FFFF00";
	69	ctx.beginPath();
	70	ctx.arc(cx, cy, radius, Math.PI * 2, false);
	71	ctx.closePath();
	72	ctx.stroke();
	73	ctx.fill();
773d1312	74
240c0b11 RK	75	ctx.fillStyle = "#000000";
	76	ctx.beginPath();
	77	ctx.arc(cx - (radius / 3) , cy - (radius / 4), 1, Math.PI * 2, false);
	78	ctx.closePath();
	79	ctx.stroke();
	80	ctx.fill();
773d1312	81
240c0b11 RK	82	ctx.beginPath();
	83	ctx.arc(cx + (radius / 3) , cy - (radius / 4), 1, Math.PI * 2, false);
	84	ctx.closePath();
	85	ctx.stroke();
	86	ctx.fill();
	87	};
	88
a7803eea	89	var makeGraph = function(title, yFunc, extraOpts) {
30b2bf7d KW	90	var opts = {
	91	drawPoints : true,
	92	pointSize : 5
	93	};
	94
	95	var shapes = [];
a7803eea	96	var addShape = function(name, pointFn, highlightPointFn) {
30b2bf7d KW	97	shapes.push(name);
30b2bf7d KW	98	opts[name] = {
a7803eea KW	99	drawPointCallback: pointFn,
a7803eea KW	100	drawHighlightPointCallback: highlightPointFn
30b2bf7d KW	101	};
	102	};
	103
	104	for (var shape in Dygraph.Circles) {
	105	if (!Dygraph.Circles.hasOwnProperty(shape)) continue;
	106	var fn = Dygraph.Circles[shape];
	107	if (typeof fn !== 'function') continue;
	108	addShape(shape.toLowerCase(), fn, fn);
	109	};
	110	addShape('custom', frown, smile);
	111
	112	for (var key in extraOpts) {
	113	if (extraOpts.hasOwnProperty(key)) {
	114	opts[key] = extraOpts[key];
	115	}
	116	};
773d1312	117
a7803eea KW	118	var header = document.createElement('h3');
	119	header.appendChild(document.createTextNode(title));
	120	document.body.appendChild(header);
	121
30b2bf7d KW	122	var div = document.createElement('div');
30b2bf7d KW	123	document.body.appendChild(div);
a7803eea	124
30b2bf7d KW	125	var g = new Dygraph(
	126	div,
	127	function() {
	128	var r = "xval," + shapes.join(',') + "\n";
	129	var n = shapes.length;
240c0b11 RK	130	for (var i=1; i<=20; i++) {
240c0b11 RK	131	r += i;
30b2bf7d KW	132	for (var j = 0; j < n; j++) {
30b2bf7d KW	133	r += "," + yFunc(i, j, n);
240c0b11 RK	134	}
	135	r += "\n";
	136	}
	137	return r;
30b2bf7d KW	138	}, opts);
	139	};
	140
	141	makeGraph(
a7803eea	142	"Gallery of predefined shapes, adding a custom shape:",
30b2bf7d KW	143	function(x, c, n) {
	144	return x / 3 + c * 10;
	145	}, {
	146	highlightCircleSize : 8
	147	});
	148	makeGraph(
a7803eea	149	"With interactive per-series highlighting:",
30b2bf7d KW	150	function(x, c, n) {
	151	return Math.sin(x * c / n);
	152	}, {
	153	strokeBorderWidth: 2,
	154	highlightSeriesOpts: {
	155	pointSize: 6,
	156	highlightCircleSize: 10,
	157	strokeWidth: 2,
	158	}});
773d1312 RK	159	</script>
773d1312 RK	160	</body>
3fdc648d	161	</html>