+<!DOCTYPE html>
<html>
<head>
<title>demo</title>
- <!--[if IE]>
- <script type="text/javascript" src="excanvas.js"></script>
- <![endif]-->
- <script type="text/javascript" src="../strftime/strftime-min.js"></script>
- <script type="text/javascript" src="../rgbcolor/rgbcolor.js"></script>
- <script type="text/javascript" src="../dygraph-canvas.js"></script>
- <script type="text/javascript" src="../dygraph.js"></script>
+ <!--
+ <script type="text/javascript" src="dygraph-combined.js"></script>
+ -->
+ <!--
+ For production (minified) code, use:
+ <script type="text/javascript" src="dygraph-combined.js"></script>
+ -->
+ <script type="text/javascript" src="../dist/dygraph.js"></script>
+
+ <style type="text/css">
+ .annotation {
+ }
+ </style>
</head>
<body>
- <div id="g"></div>
+ <h3>Annotations Demo</h3>
+ <p>Click any point to add an annotation to it or click "Add Annotation".</p>
+ <input type="button" value="Add Annotation" onclick="add()" />
+ <input type="button" value="Shove to bottom" onclick="bottom(this)" />
+ <div id="events"> </div>
+ <div style="position:absolute; left:200px; top: 200px;" id="g_div"></div>
+ <div style="position:absolute; left:700px; top: 200px;" id="list"></div>
<script type="text/javascript">
- g = new DateGraph(
- document.getElementById("g"),
+ var eventDiv = document.getElementById("events");
+ function nameAnnotation(ann) {
+ return "(" + ann.series + ", " + ann.x + ")";
+ }
+
+ annotations = [];
+ var graph_initialized = false;
+
+ g = new Dygraph(
+ document.getElementById("g_div"),
function() {
var zp = function(x) { if (x < 10) return "0"+x; else return x; };
var r = "date,parabola,line,another line,sine wave\n";
for (var i=1; i<=31; i++) {
- r += "200610" + zp(i);
- r += "," + 10*(i*(31-i));
- r += "," + 10*(8*i);
- r += "," + 10*(250 - 8*i);
- r += "," + 10*(125 + 125 * Math.sin(0.3*i));
- r += "\n";
+ r += "200610" + zp(i);
+ r += "," + 10*(i*(31-i));
+ r += "," + 10*(8*i);
+ r += "," + 10*(250 - 8*i);
+ r += "," + 10*(125 + 125 * Math.sin(0.3*i));
+ r += "\n";
}
return r;
},
{
rollPeriod: 1,
+ showRoller: true,
width: 480,
- height: 320
+ height: 320,
+ drawCallback: function(g, is_initial) {
+ if (is_initial) {
+ graph_initialized = true;
+ if (annotations.length > 0) {
+ g.setAnnotations(annotations);
+ }
+ }
+
+ var ann = g.annotations();
+ var html = "";
+ for (var i = 0; i < ann.length; i++) {
+ var name = nameAnnotation(ann[i]);
+ html += "<span id='" + name + "'>"
+ html += name + ": " + (ann[i].shortText || '(icon)')
+ html += " -> " + ann[i].text + "</span><br/>";
+ }
+ document.getElementById("list").innerHTML = html;
+ }
}
);
+
+ var last_ann = 0;
+ for (var x = 10; x < 15; x += 2) {
+ annotations.push( {
+ series: 'sine wave',
+ x: "200610" + x,
+ shortText: x,
+ text: 'Stock Market Crash ' + x
+ } );
+ last_ann = x;
+ }
+ annotations.push( {
+ series: 'another line',
+ x: "20061013",
+ icon: 'dollar.png',
+ width: 18,
+ height: 23,
+ tickHeight: 4,
+ text: 'Another one',
+ cssClass: 'annotation',
+ clickHandler: function() {
+ document.getElementById("events").innerHTML += "special handler<br/>";
+ }
+ } );
+ annotations.push( {
+ series: 'parabola',
+ x: '20061012',
+ shortText: 'P',
+ text: 'Parabola Annotation at same x-coord'
+ } );
+
+ if (graph_initialized) {
+ g.setAnnotations(annotations);
+ }
+
+ function add() {
+ var x = last_ann + 2;
+ var annnotations = g.annotations();
+ annotations.push( {
+ series: 'line',
+ x: "200610" + x,
+ shortText: x,
+ text: 'Line ' + x,
+ tickHeight: 10
+ } );
+ last_ann = x;
+ g.setAnnotations(annotations);
+ }
+
+ function bottom(el) {
+ var to_bottom = true;
+ if (el.value != 'Shove to bottom') to_bottom = false;
+
+ var anns = g.annotations();
+ for (var i = 0; i < anns.length; i++) {
+ anns[i].attachAtBottom = to_bottom;
+ }
+ g.setAnnotations(anns);
+
+ if (to_bottom) {
+ el.value = 'Lift back up';
+ } else {
+ el.value = 'Shove to bottom';
+ }
+ }
+
+ var saveBg = '';
+ var num = 0;
+ g.updateOptions( {
+ annotationClickHandler: function(ann, point, dg, event) {
+ eventDiv.innerHTML += "click: " + nameAnnotation(ann) + "<br/>";
+ },
+ annotationDblClickHandler: function(ann, point, dg, event) {
+ eventDiv.innerHTML += "dblclick: " + nameAnnotation(ann) + "<br/>";
+ },
+ annotationMouseOverHandler: function(ann, point, dg, event) {
+ document.getElementById(nameAnnotation(ann)).style.fontWeight = 'bold';
+ saveBg = ann.div.style.backgroundColor;
+ ann.div.style.backgroundColor = '#ddd';
+ },
+ annotationMouseOutHandler: function(ann, point, dg, event) {
+ document.getElementById(nameAnnotation(ann)).style.fontWeight = 'normal';
+ ann.div.style.backgroundColor = saveBg;
+ },
+
+ pointClickCallback: function(event, p) {
+ // Check if the point is already annotated.
+ if (p.annotation) return;
+
+ // If not, add one.
+ var ann = {
+ series: p.name,
+ xval: p.xval,
+ shortText: num,
+ text: "Annotation #" + num
+ };
+ var anns = g.annotations();
+ anns.push(ann);
+ g.setAnnotations(anns);
+
+ num++;
+ }
+ });
</script>
</body>
</html>
projects / dygraphs.git / blobdiff