| | 1 | <!DOCTYPE html> |
| | 2 | <html> |
| | 3 | <head> |
| | 4 | <link rel="stylesheet" href="../dist/dygraph.css"> |
| | 5 | <title>demo</title> |
| | 6 | <script type="text/javascript" src="../dist/dygraph.js"></script> |
| | 7 | |
| | 8 | <style type="text/css"> |
| | 9 | .annotation { |
| | 10 | } |
| | 11 | </style> |
| | 12 | </head> |
| | 13 | <body> |
| | 14 | <h3>Annotations Demo</h3> |
| | 15 | <p>Click any point to add an annotation to it or click "Add Annotation".</p> |
| | 16 | <input type="button" value="Add Annotation" onclick="add()" /> |
| | 17 | <input type="button" value="Shove to bottom" onclick="bottom(this)" /> |
| | 18 | <div id="events"> </div> |
| | 19 | <div style="position:absolute; left:200px; top: 200px;" id="g_div"></div> |
| | 20 | <div style="position:absolute; left:700px; top: 200px;" id="list"></div> |
| | 21 | |
| | 22 | <script type="text/javascript"> |
| | 23 | var eventDiv = document.getElementById("events"); |
| | 24 | function nameAnnotation(ann) { |
| | 25 | return "(" + ann.series + ", " + ann.x + ")"; |
| | 26 | } |
| | 27 | |
| | 28 | annotations = []; |
| | 29 | var graph_initialized = false; |
| | 30 | |
| | 31 | g = new Dygraph( |
| | 32 | document.getElementById("g_div"), |
| | 33 | function() { |
| | 34 | var zp = function(x) { if (x < 10) return "0"+x; else return x; }; |
| | 35 | var r = "date,parabola,line,another line,sine wave\n"; |
| | 36 | for (var i=1; i<=31; i++) { |
| | 37 | r += "200610" + zp(i); |
| | 38 | r += "," + 10*(i*(31-i)); |
| | 39 | r += "," + 10*(8*i); |
| | 40 | r += "," + 10*(250 - 8*i); |
| | 41 | r += "," + 10*(125 + 125 * Math.sin(0.3*i)); |
| | 42 | r += "\n"; |
| | 43 | } |
| | 44 | return r; |
| | 45 | }, |
| | 46 | { |
| | 47 | rollPeriod: 1, |
| | 48 | showRoller: true, |
| | 49 | width: 480, |
| | 50 | height: 320, |
| | 51 | drawCallback: function(g, is_initial) { |
| | 52 | if (is_initial) { |
| | 53 | graph_initialized = true; |
| | 54 | if (annotations.length > 0) { |
| | 55 | g.setAnnotations(annotations); |
| | 56 | } |
| | 57 | } |
| | 58 | |
| | 59 | var ann = g.annotations(); |
| | 60 | var html = ""; |
| | 61 | for (var i = 0; i < ann.length; i++) { |
| | 62 | var name = nameAnnotation(ann[i]); |
| | 63 | html += "<span id='" + name + "'>" |
| | 64 | html += name + ": " + (ann[i].shortText || '(icon)') |
| | 65 | html += " -> " + ann[i].text + "</span><br/>"; |
| | 66 | } |
| | 67 | document.getElementById("list").innerHTML = html; |
| | 68 | } |
| | 69 | } |
| | 70 | ); |
| | 71 | |
| | 72 | var last_ann = 0; |
| | 73 | for (var x = 10; x < 15; x += 2) { |
| | 74 | annotations.push( { |
| | 75 | series: 'sine wave', |
| | 76 | x: "200610" + x, |
| | 77 | shortText: x, |
| | 78 | text: 'Stock Market Crash ' + x |
| | 79 | } ); |
| | 80 | last_ann = x; |
| | 81 | } |
| | 82 | annotations.push( { |
| | 83 | series: 'another line', |
| | 84 | x: "20061013", |
| | 85 | icon: 'dollar.png', |
| | 86 | width: 18, |
| | 87 | height: 23, |
| | 88 | tickHeight: 4, |
| | 89 | tickColor: 'indianred', |
| | 90 | tickWidth: 2, |
| | 91 | text: 'Another one', |
| | 92 | cssClass: 'annotation', |
| | 93 | clickHandler: function() { |
| | 94 | document.getElementById("events").innerHTML += "special handler<br/>"; |
| | 95 | } |
| | 96 | } ); |
| | 97 | annotations.push( { |
| | 98 | series: 'parabola', |
| | 99 | x: '20061012', |
| | 100 | shortText: 'P', |
| | 101 | text: 'Parabola Annotation at same x-coord' |
| | 102 | } ); |
| | 103 | |
| | 104 | if (graph_initialized) { |
| | 105 | g.setAnnotations(annotations); |
| | 106 | } |
| | 107 | |
| | 108 | function add() { |
| | 109 | var x = last_ann + 2; |
| | 110 | var annnotations = g.annotations(); |
| | 111 | annotations.push( { |
| | 112 | series: 'line', |
| | 113 | x: "200610" + x, |
| | 114 | shortText: x, |
| | 115 | text: 'Line ' + x, |
| | 116 | tickHeight: 10 |
| | 117 | } ); |
| | 118 | last_ann = x; |
| | 119 | g.setAnnotations(annotations); |
| | 120 | } |
| | 121 | |
| | 122 | function bottom(el) { |
| | 123 | var to_bottom = true; |
| | 124 | if (el.value != 'Shove to bottom') to_bottom = false; |
| | 125 | |
| | 126 | var anns = g.annotations(); |
| | 127 | for (var i = 0; i < anns.length; i++) { |
| | 128 | anns[i].attachAtBottom = to_bottom; |
| | 129 | } |
| | 130 | g.setAnnotations(anns); |
| | 131 | |
| | 132 | if (to_bottom) { |
| | 133 | el.value = 'Lift back up'; |
| | 134 | } else { |
| | 135 | el.value = 'Shove to bottom'; |
| | 136 | } |
| | 137 | } |
| | 138 | |
| | 139 | var saveBg = ''; |
| | 140 | var num = 0; |
| | 141 | g.updateOptions( { |
| | 142 | annotationClickHandler: function(ann, point, dg, event) { |
| | 143 | eventDiv.innerHTML += "click: " + nameAnnotation(ann) + "<br/>"; |
| | 144 | }, |
| | 145 | annotationDblClickHandler: function(ann, point, dg, event) { |
| | 146 | eventDiv.innerHTML += "dblclick: " + nameAnnotation(ann) + "<br/>"; |
| | 147 | }, |
| | 148 | annotationMouseOverHandler: function(ann, point, dg, event) { |
| | 149 | document.getElementById(nameAnnotation(ann)).style.fontWeight = 'bold'; |
| | 150 | saveBg = ann.div.style.backgroundColor; |
| | 151 | ann.div.style.backgroundColor = '#ddd'; |
| | 152 | }, |
| | 153 | annotationMouseOutHandler: function(ann, point, dg, event) { |
| | 154 | document.getElementById(nameAnnotation(ann)).style.fontWeight = 'normal'; |
| | 155 | ann.div.style.backgroundColor = saveBg; |
| | 156 | }, |
| | 157 | |
| | 158 | pointClickCallback: function(event, p) { |
| | 159 | // Check if the point is already annotated. |
| | 160 | if (p.annotation) return; |
| | 161 | |
| | 162 | // If not, add one. |
| | 163 | var ann = { |
| | 164 | series: p.name, |
| | 165 | xval: p.xval, |
| | 166 | shortText: num, |
| | 167 | text: "Annotation #" + num |
| | 168 | }; |
| | 169 | var anns = g.annotations(); |
| | 170 | anns.push(ann); |
| | 171 | g.setAnnotations(anns); |
| | 172 | |
| | 173 | num++; |
| | 174 | } |
| | 175 | }); |
| | 176 | </script> |
| | 177 | </body> |
| | 178 | </html> |
projects / dygraphs.git / blame_incremental