| <!doctype html> |
| <html> |
| |
| <head> |
| <title>Line Chart with Custom Tooltips</title> |
| <script src="../Chart.js"></script> |
| <script src="http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script> |
| |
| <style> |
| #canvas-holder1 { |
| width: 300px; |
| margin: 20px auto; |
| } |
| #canvas-holder2 { |
| width: 50%; |
| margin: 20px 25%; |
| } |
| #chartjs-tooltip { |
| opacity: 1; |
| position: absolute; |
| background: rgba(0, 0, 0, .7); |
| color: white; |
| padding: 3px; |
| border-radius: 3px; |
| -webkit-transition: all .1s ease; |
| transition: all .1s ease; |
| pointer-events: none; |
| -webkit-transform: translate(-50%, 0); |
| transform: translate(-50%, 0); |
| } |
| .chartjs-tooltip-key{ |
| display:inline-block; |
| width:10px; |
| height:10px; |
| } |
| </style> |
| </head> |
| |
| <body> |
| <div id="canvas-holder1"> |
| <canvas id="chart1" width="300" height="30" /> |
| </div> |
| <div id="canvas-holder2"> |
| <canvas id="chart2" width="450" height="600" /> |
| </div> |
| |
| <div id="chartjs-tooltip"></div> |
| |
| |
| <script> |
| |
| Chart.defaults.global.pointHitDetectionRadius = 1; |
| Chart.defaults.global.customTooltips = function(tooltip) { |
| |
| var tooltipEl = $('#chartjs-tooltip'); |
| |
| if (!tooltip) { |
| tooltipEl.css({ |
| opacity: 0 |
| }); |
| return; |
| } |
| |
| tooltipEl.removeClass('above below'); |
| tooltipEl.addClass(tooltip.yAlign); |
| |
| var innerHtml = ''; |
| for (var i = tooltip.labels.length - 1; i >= 0; i--) { |
| innerHtml += [ |
| '<div class="chartjs-tooltip-section">', |
| ' <span class="chartjs-tooltip-key" style="background-color:' + tooltip.legendColors[i].fill + '"></span>', |
| ' <span class="chartjs-tooltip-value">' + tooltip.labels[i] + '</span>', |
| '</div>' |
| ].join(''); |
| } |
| tooltipEl.html(innerHtml); |
| |
| tooltipEl.css({ |
| opacity: 1, |
| left: tooltip.chart.canvas.offsetLeft + tooltip.x + 'px', |
| top: tooltip.chart.canvas.offsetTop + tooltip.y + 'px', |
| fontFamily: tooltip.fontFamily, |
| fontSize: tooltip.fontSize, |
| fontStyle: tooltip.fontStyle, |
| }); |
| }; |
| var randomScalingFactor = function() { |
| return Math.round(Math.random() * 100); |
| }; |
| var lineChartData = { |
| labels: ["January", "February", "March", "April", "May", "June", "July"], |
| datasets: [{ |
| label: "My First dataset", |
| fillColor: "rgba(220,220,220,0.2)", |
| strokeColor: "rgba(220,220,220,1)", |
| pointColor: "rgba(220,220,220,1)", |
| pointStrokeColor: "#fff", |
| pointHighlightFill: "#fff", |
| pointHighlightStroke: "rgba(220,220,220,1)", |
| data: [randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor()] |
| }, { |
| label: "My Second dataset", |
| fillColor: "rgba(151,187,205,0.2)", |
| strokeColor: "rgba(151,187,205,1)", |
| pointColor: "rgba(151,187,205,1)", |
| pointStrokeColor: "#fff", |
| pointHighlightFill: "#fff", |
| pointHighlightStroke: "rgba(151,187,205,1)", |
| data: [randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor()] |
| }] |
| }; |
| |
| window.onload = function() { |
| var ctx1 = document.getElementById("chart1").getContext("2d"); |
| window.myLine = new Chart(ctx1).Line(lineChartData, { |
| showScale: false, |
| pointDot : true, |
| responsive: true |
| }); |
| |
| var ctx2 = document.getElementById("chart2").getContext("2d"); |
| window.myLine = new Chart(ctx2).Line(lineChartData, { |
| responsive: true |
| }); |
| }; |
| </script> |
| </body> |
| |
| </html> |