[dygraphs.git] / tests / crosshair.html

<!DOCTYPE html>
<html>
  <head>
    <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7; IE=EmulateIE9">
    <title>crosshairs</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>

    <script type="text/javascript" src="data.js"></script>
    <style type="text/css">
      .line {
        visibility: hidden;
        background-color: black;
        position: absolute;
        pointer-events: none;  /* let mouse events fall through to the chart */
      }
      .yline {
        width: 100%;
        height: 1px;
      }
      .xline {
        height: 100%;
        width: 1px;
      }
    </style>
  </head>
  <body>
    <p>Hover, click and zoom to test the callbacks:</p>
    <div id="div_g" style="width:600px; height:300px; position:relative;">
    </div>

    <script type="text/javascript">
      var lines = [];
      var xline;
      g = new Dygraph(
            document.getElementById("div_g"),
            NoisyData, {
              rollPeriod: 7,
              showRoller: true,
              errorBars: true,

              highlightCallback: function(e, x, pts) {
                for (var i = 0; i < pts.length; i++) {
                  var y = pts[i].canvasy;
                  lines[i].style.visibility = "visible";
                  lines[i].style.top = y + "px";
                  if (i == 0) xline.style.left = pts[i].canvasx + "px";
                }
                xline.style.visibility = "visible";
              },

              unhighlightCallback: function(e) {
                for (var i = 0; i < 2; i++) {
                  lines[i].style.visibility = "hidden";
                }
                xline.style.visibility = "hidden";
              }
            }
          );

      for (var i = 0; i < 2; i++) {
        var line = document.createElement("div");
        line.className = "line yline";
        document.getElementById("div_g").appendChild(line);
        lines.push(line);
      }

      xline = document.createElement("div");
      xline.className = "line xline";
      xline.style.top = "0px";
      document.getElementById("div_g").appendChild(xline);
    </script>
  </body>
</html>
Commit	Line	Data
f18fd545 DV	1	<!DOCTYPE html>
	2	<html>
	3	<head>
	4	<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7; IE=EmulateIE9">
	5	<title>crosshairs</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	<script type="text/javascript" src="data.js"></script>
2eac5b0e DV	16	<style type="text/css">
	17	.line {
	18	visibility: hidden;
	19	background-color: black;
	20	position: absolute;
	21	pointer-events: none; /* let mouse events fall through to the chart */
	22	}
	23	.yline {
	24	width: 100%;
	25	height: 1px;
	26	}
	27	.xline {
	28	height: 100%;
	29	width: 1px;
	30	}
	31	</style>
f18fd545 DV	32	</head>
	33	<body>
	34	<p>Hover, click and zoom to test the callbacks:</p>
	35	<div id="div_g" style="width:600px; height:300px; position:relative;">
	36	</div>
	37
	38	<script type="text/javascript">
	39	var lines = [];
	40	var xline;
	41	g = new Dygraph(
	42	document.getElementById("div_g"),
	43	NoisyData, {
	44	rollPeriod: 7,
	45	showRoller: true,
	46	errorBars: true,
	47
	48	highlightCallback: function(e, x, pts) {
	49	for (var i = 0; i < pts.length; i++) {
	50	var y = pts[i].canvasy;
2eac5b0e	51	lines[i].style.visibility = "visible";
f18fd545 DV	52	lines[i].style.top = y + "px";
	53	if (i == 0) xline.style.left = pts[i].canvasx + "px";
	54	}
2eac5b0e	55	xline.style.visibility = "visible";
f18fd545 DV	56	},
	57
	58	unhighlightCallback: function(e) {
	59	for (var i = 0; i < 2; i++) {
2eac5b0e	60	lines[i].style.visibility = "hidden";
f18fd545	61	}
2eac5b0e	62	xline.style.visibility = "hidden";
f18fd545 DV	63	}
	64	}
	65	);
	66
	67	for (var i = 0; i < 2; i++) {
	68	var line = document.createElement("div");
2eac5b0e	69	line.className = "line yline";
f18fd545 DV	70	document.getElementById("div_g").appendChild(line);
	71	lines.push(line);
	72	}
	73
	74	xline = document.createElement("div");
2eac5b0e	75	xline.className = "line xline";
f18fd545	76	xline.style.top = "0px";
f18fd545 DV	77	document.getElementById("div_g").appendChild(xline);
	78	</script>
	79	</body>
	80	</html>