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