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

<!DOCTYPE html>
<html>
  <head>
    <link rel="stylesheet" href="../dist/dygraph.css">
    <title>Custom Circles</title>
    <script type="text/javascript" src="../dist/dygraph.js"></script>
    <script type="text/javascript" src="../src/extras/shapes.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,
            series : {
              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);
          if (!opts['series']) opts['series'] = {};
          opts.series[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>
fd6b8dad	4	<link rel="stylesheet" href="../dist/dygraph.css">
240c0b11	5	<title>Custom Circles</title>
fbd6834a	6	<script type="text/javascript" src="../dist/dygraph.js"></script>
9fc0dc8f	7	<script type="text/javascript" src="../src/extras/shapes.js"></script>
773d1312 RK	8
	9	</head>
	10	<body>
240c0b11	11	<h2>Custom circles and hover circles</h2>
773d1312 RK	12
773d1312 RK	13	<script type="text/javascript">
a7803eea KW	14	// Simple version
	15	var div = document.createElement('div');
	16	document.body.appendChild(div);
	17
	18	var data = 'x,A,B\n' +
	19	'1,1,2\n' +
	20	'2,2,4\n' +
	21	'3,3,6\n' +
	22	'4,4,8\n' +
	23	'5,5,7\n';
	24	var g = new Dygraph(div, data, {
	25	drawPoints : true,
	26	pointSize : 5,
	27	highlightCircleSize: 8,
30abcfb6 RK	28	series : {
	29	A : {
	30	drawPointCallback : Dygraph.Circles.TRIANGLE,
	31	drawHighlightPointCallback : Dygraph.Circles.TRIANGLE
	32	},
	33	B : {
	34	drawPointCallback : Dygraph.Circles.HEXAGON,
	35	drawHighlightPointCallback : Dygraph.Circles.HEXAGON
	36	}
a7803eea KW	37	}
	38	});
	39
	40
	41	// Fancy demos
240c0b11 RK	42	var smile = function(g, series, ctx, cx, cy, color, radius) {
240c0b11 RK	43	mouthlessFace(g, series, ctx, cx, cy, color, radius);
773d1312	44
240c0b11 RK	45	ctx.fillStyle = "#000000";
	46	ctx.beginPath();
	47	ctx.arc(cx, cy, radius - 2, .3, Math.PI - .3, false);
	48	ctx.stroke();
	49	};
	50
	51	var frown = function(g, series, ctx, cx, cy, color, radius) {
	52	mouthlessFace(g, series, ctx, cx, cy, color, radius);
	53
a8ef67a8	54	ctx.lineWidth = 1;
240c0b11 RK	55	ctx.fillStyle = "#000000";
240c0b11 RK	56	ctx.beginPath();
4ab51f75	57	ctx.arc(cx, cy + radius, radius - 2, Math.PI + .3, -.3, false);
240c0b11 RK	58	ctx.stroke();
240c0b11 RK	59	};
773d1312	60
240c0b11	61	var mouthlessFace = function(g, series, ctx, cx, cy, color, radius) {
a8ef67a8	62	ctx.lineWidth = 1;
240c0b11 RK	63	ctx.strokeStyle = "#000000";
	64	ctx.fillStyle = "#FFFF00";
	65	ctx.beginPath();
	66	ctx.arc(cx, cy, radius, Math.PI * 2, false);
	67	ctx.closePath();
	68	ctx.stroke();
	69	ctx.fill();
773d1312	70
240c0b11 RK	71	ctx.fillStyle = "#000000";
	72	ctx.beginPath();
	73	ctx.arc(cx - (radius / 3) , cy - (radius / 4), 1, Math.PI * 2, false);
	74	ctx.closePath();
	75	ctx.stroke();
	76	ctx.fill();
773d1312	77
240c0b11 RK	78	ctx.beginPath();
	79	ctx.arc(cx + (radius / 3) , cy - (radius / 4), 1, Math.PI * 2, false);
	80	ctx.closePath();
	81	ctx.stroke();
	82	ctx.fill();
	83	};
	84
a7803eea	85	var makeGraph = function(title, yFunc, extraOpts) {
30b2bf7d KW	86	var opts = {
	87	drawPoints : true,
	88	pointSize : 5
	89	};
	90
	91	var shapes = [];
a7803eea	92	var addShape = function(name, pointFn, highlightPointFn) {
30b2bf7d	93	shapes.push(name);
27fd63fc DV	94	if (!opts['series']) opts['series'] = {};
27fd63fc DV	95	opts.series[name] = {
a7803eea KW	96	drawPointCallback: pointFn,
a7803eea KW	97	drawHighlightPointCallback: highlightPointFn
30b2bf7d KW	98	};
	99	};
	100
	101	for (var shape in Dygraph.Circles) {
	102	if (!Dygraph.Circles.hasOwnProperty(shape)) continue;
	103	var fn = Dygraph.Circles[shape];
	104	if (typeof fn !== 'function') continue;
	105	addShape(shape.toLowerCase(), fn, fn);
	106	};
	107	addShape('custom', frown, smile);
	108
	109	for (var key in extraOpts) {
	110	if (extraOpts.hasOwnProperty(key)) {
	111	opts[key] = extraOpts[key];
	112	}
	113	};
773d1312	114
a7803eea KW	115	var header = document.createElement('h3');
	116	header.appendChild(document.createTextNode(title));
	117	document.body.appendChild(header);
	118
30b2bf7d KW	119	var div = document.createElement('div');
30b2bf7d KW	120	document.body.appendChild(div);
a7803eea	121
30b2bf7d KW	122	var g = new Dygraph(
	123	div,
	124	function() {
	125	var r = "xval," + shapes.join(',') + "\n";
	126	var n = shapes.length;
240c0b11 RK	127	for (var i=1; i<=20; i++) {
240c0b11 RK	128	r += i;
30b2bf7d KW	129	for (var j = 0; j < n; j++) {
30b2bf7d KW	130	r += "," + yFunc(i, j, n);
240c0b11 RK	131	}
	132	r += "\n";
	133	}
	134	return r;
30b2bf7d KW	135	}, opts);
	136	};
	137
	138	makeGraph(
a7803eea	139	"Gallery of predefined shapes, adding a custom shape:",
30b2bf7d KW	140	function(x, c, n) {
	141	return x / 3 + c * 10;
	142	}, {
	143	highlightCircleSize : 8
	144	});
	145	makeGraph(
a7803eea	146	"With interactive per-series highlighting:",
30b2bf7d KW	147	function(x, c, n) {
	148	return Math.sin(x * c / n);
	149	}, {
	150	strokeBorderWidth: 2,
	151	highlightSeriesOpts: {
	152	pointSize: 6,
	153	highlightCircleSize: 10,
	154	strokeWidth: 2,
	155	}});
773d1312 RK	156	</script>
773d1312 RK	157	</body>
3fdc648d	158	</html>