| Matteo Scandolo | 7cd88ba | 2015-12-16 14:23:08 -0800 | [diff] [blame] | 1 | <!doctype html> |
| 2 | <html> |
| 3 | |
| 4 | <head> |
| 5 | <title>Pie Chart with Custom Tooltips</title> |
| 6 | <script src="../Chart.js"></script> |
| 7 | <script src="http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script> |
| 8 | |
| 9 | <style> |
| 10 | #canvas-holder { |
| 11 | width: 100%; |
| 12 | margin-top: 50px; |
| 13 | text-align: center; |
| 14 | } |
| 15 | #chartjs-tooltip { |
| 16 | opacity: 1; |
| 17 | position: absolute; |
| 18 | background: rgba(0, 0, 0, .7); |
| 19 | color: white; |
| 20 | padding: 3px; |
| 21 | border-radius: 3px; |
| 22 | -webkit-transition: all .1s ease; |
| 23 | transition: all .1s ease; |
| 24 | pointer-events: none; |
| 25 | -webkit-transform: translate(-50%, 0); |
| 26 | transform: translate(-50%, 0); |
| 27 | } |
| 28 | #chartjs-tooltip.below { |
| 29 | -webkit-transform: translate(-50%, 0); |
| 30 | transform: translate(-50%, 0); |
| 31 | } |
| 32 | #chartjs-tooltip.below:before { |
| 33 | border: solid; |
| 34 | border-color: #111 transparent; |
| 35 | border-color: rgba(0, 0, 0, .8) transparent; |
| 36 | border-width: 0 8px 8px 8px; |
| 37 | bottom: 1em; |
| 38 | content: ""; |
| 39 | display: block; |
| 40 | left: 50%; |
| 41 | position: absolute; |
| 42 | z-index: 99; |
| 43 | -webkit-transform: translate(-50%, -100%); |
| 44 | transform: translate(-50%, -100%); |
| 45 | } |
| 46 | #chartjs-tooltip.above { |
| 47 | -webkit-transform: translate(-50%, -100%); |
| 48 | transform: translate(-50%, -100%); |
| 49 | } |
| 50 | #chartjs-tooltip.above:before { |
| 51 | border: solid; |
| 52 | border-color: #111 transparent; |
| 53 | border-color: rgba(0, 0, 0, .8) transparent; |
| 54 | border-width: 8px 8px 0 8px; |
| 55 | bottom: 1em; |
| 56 | content: ""; |
| 57 | display: block; |
| 58 | left: 50%; |
| 59 | top: 100%; |
| 60 | position: absolute; |
| 61 | z-index: 99; |
| 62 | -webkit-transform: translate(-50%, 0); |
| 63 | transform: translate(-50%, 0); |
| 64 | } |
| 65 | </style> |
| 66 | </head> |
| 67 | |
| 68 | <body> |
| 69 | <div id="canvas-holder"> |
| 70 | <canvas id="chart-area1" width="50" height="50" /> |
| 71 | </div> |
| 72 | <div id="canvas-holder"> |
| 73 | <canvas id="chart-area2" width="300" height="300" /> |
| 74 | </div> |
| 75 | |
| 76 | <div id="chartjs-tooltip"></div> |
| 77 | |
| 78 | |
| 79 | <script> |
| 80 | Chart.defaults.global.customTooltips = function(tooltip) { |
| 81 | |
| 82 | // Tooltip Element |
| 83 | var tooltipEl = $('#chartjs-tooltip'); |
| 84 | |
| 85 | // Hide if no tooltip |
| 86 | if (!tooltip) { |
| 87 | tooltipEl.css({ |
| 88 | opacity: 0 |
| 89 | }); |
| 90 | return; |
| 91 | } |
| 92 | |
| 93 | // Set caret Position |
| 94 | tooltipEl.removeClass('above below'); |
| 95 | tooltipEl.addClass(tooltip.yAlign); |
| 96 | |
| 97 | // Set Text |
| 98 | tooltipEl.html(tooltip.text); |
| 99 | |
| 100 | // Find Y Location on page |
| 101 | var top; |
| 102 | if (tooltip.yAlign == 'above') { |
| 103 | top = tooltip.y - tooltip.caretHeight - tooltip.caretPadding; |
| 104 | } else { |
| 105 | top = tooltip.y + tooltip.caretHeight + tooltip.caretPadding; |
| 106 | } |
| 107 | |
| 108 | // Display, position, and set styles for font |
| 109 | tooltipEl.css({ |
| 110 | opacity: 1, |
| 111 | left: tooltip.chart.canvas.offsetLeft + tooltip.x + 'px', |
| 112 | top: tooltip.chart.canvas.offsetTop + top + 'px', |
| 113 | fontFamily: tooltip.fontFamily, |
| 114 | fontSize: tooltip.fontSize, |
| 115 | fontStyle: tooltip.fontStyle, |
| 116 | }); |
| 117 | }; |
| 118 | |
| 119 | var pieData = [{ |
| 120 | value: 300, |
| 121 | color: "#F7464A", |
| 122 | highlight: "#FF5A5E", |
| 123 | label: "Red" |
| 124 | }, { |
| 125 | value: 50, |
| 126 | color: "#46BFBD", |
| 127 | highlight: "#5AD3D1", |
| 128 | label: "Green" |
| 129 | }, { |
| 130 | value: 100, |
| 131 | color: "#FDB45C", |
| 132 | highlight: "#FFC870", |
| 133 | label: "Yellow" |
| 134 | }, { |
| 135 | value: 40, |
| 136 | color: "#949FB1", |
| 137 | highlight: "#A8B3C5", |
| 138 | label: "Grey" |
| 139 | }, { |
| 140 | value: 120, |
| 141 | color: "#4D5360", |
| 142 | highlight: "#616774", |
| 143 | label: "Dark Grey" |
| 144 | }]; |
| 145 | |
| 146 | window.onload = function() { |
| 147 | var ctx1 = document.getElementById("chart-area1").getContext("2d"); |
| 148 | window.myPie = new Chart(ctx1).Pie(pieData); |
| 149 | |
| 150 | var ctx2 = document.getElementById("chart-area2").getContext("2d"); |
| 151 | window.myPie = new Chart(ctx2).Pie(pieData); |
| 152 | }; |
| 153 | </script> |
| 154 | </body> |
| 155 | |
| 156 | </html> |