| Server IP : 79.136.114.73 / Your IP : 3.149.7.172 Web Server : Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.29 OpenSSL/1.0.1f System : Linux b8009 3.13.0-170-generic #220-Ubuntu SMP Thu May 9 12:40:49 UTC 2019 x86_64 User : www-data ( 33) PHP Version : 5.5.9-1ubuntu4.29 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, MySQL : ON | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /var/www/appsrv.astacus.se/shellyctr/js/package/dist/docs/assets/js/ |
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(window.webpackJsonp=window.webpackJsonp||[]).push([[210],{540:function(n,t,e){"use strict";e.r(t);var l=e(6),i=Object(l.a)({},(function(){var n=this,t=n.$createElement,e=n._self._c||t;return e("ContentSlotsDistributor",{attrs:{"slot-key":n.$parent.slotKey}},[e("h1",{attrs:{id:"html-legend"}},[e("a",{staticClass:"header-anchor",attrs:{href:"#html-legend"}},[n._v("#")]),n._v(" HTML Legend")]),n._v(" "),e("p",[n._v("This example shows how to create a custom HTML legend using a plugin and connect it to the chart in lieu of the default on-canvas legend.")]),n._v(" "),e("div",{attrs:{id:"legend-container"}}),n._v(" "),e("chart-editor",{attrs:{code:"// <block:plugin:0>\nconst getOrCreateLegendList = (chart, id) => {\n const legendContainer = document.getElementById(id);\n let listContainer = legendContainer.querySelector('ul');\n\n if (!listContainer) {\n listContainer = document.createElement('ul');\n listContainer.style.display = 'flex';\n listContainer.style.flexDirection = 'row';\n listContainer.style.margin = 0;\n listContainer.style.padding = 0;\n\n legendContainer.appendChild(listContainer);\n }\n\n return listContainer;\n};\n\nconst htmlLegendPlugin = {\n id: 'htmlLegend',\n afterUpdate(chart, args, options) {\n const ul = getOrCreateLegendList(chart, options.containerID);\n\n // Remove old legend items\n while (ul.firstChild) {\n ul.firstChild.remove();\n }\n\n // Reuse the built-in legendItems generator\n const items = chart.options.plugins.legend.labels.generateLabels(chart);\n\n items.forEach(item => {\n const li = document.createElement('li');\n li.style.alignItems = 'center';\n li.style.cursor = 'pointer';\n li.style.display = 'flex';\n li.style.flexDirection = 'row';\n li.style.marginLeft = '10px';\n\n li.onclick = () => {\n const {type} = chart.config;\n if (type === 'pie' || type === 'doughnut') {\n // Pie and doughnut charts only have a single dataset and visibility is per item\n chart.toggleDataVisibility(item.index);\n } else {\n chart.setDatasetVisibility(item.datasetIndex, !chart.isDatasetVisible(item.datasetIndex));\n }\n chart.update();\n };\n\n // Color box\n const boxSpan = document.createElement('span');\n boxSpan.style.background = item.fillStyle;\n boxSpan.style.borderColor = item.strokeStyle;\n boxSpan.style.borderWidth = item.lineWidth + 'px';\n boxSpan.style.display = 'inline-block';\n boxSpan.style.height = '20px';\n boxSpan.style.marginRight = '10px';\n boxSpan.style.width = '20px';\n\n // Text\n const textContainer = document.createElement('p');\n textContainer.style.color = item.fontColor;\n textContainer.style.margin = 0;\n textContainer.style.padding = 0;\n textContainer.style.textDecoration = item.hidden ? 'line-through' : '';\n\n const text = document.createTextNode(item.text);\n textContainer.appendChild(text);\n\n li.appendChild(boxSpan);\n li.appendChild(textContainer);\n ul.appendChild(li);\n });\n }\n};\n// </block:plugin>\n\n// <block:data:1>\nconst NUM_DATA = 7;\nconst NUM_CFG = {count: NUM_DATA, min: 0, max: 100};\nconst data = {\n labels: Utils.months({count: NUM_DATA}),\n datasets: [\n {\n label: 'Dataset: 1',\n data: Utils.numbers(NUM_CFG),\n borderColor: Utils.CHART_COLORS.red,\n backgroundColor: Utils.transparentize(Utils.CHART_COLORS.red, 0.5),\n fill: false,\n },\n {\n label: 'Dataset: 1',\n data: Utils.numbers(NUM_CFG),\n borderColor: Utils.CHART_COLORS.blue,\n backgroundColor: Utils.transparentize(Utils.CHART_COLORS.blue, 0.5),\n fill: false,\n },\n ],\n};\n// </block:data>\n\n// <block:setup:2>\nconst config = {\n type: 'line',\n data: data,\n options: {\n plugins: {\n htmlLegend: {\n // ID of the container to put the legend in\n containerID: 'legend-container',\n },\n legend: {\n display: false,\n }\n }\n },\n plugins: [htmlLegendPlugin],\n};\n// </block:setup>\n\nmodule.exports = {\n actions: [],\n config: config,\n};\n"}}),e("h2",{attrs:{id:"docs"}},[e("a",{staticClass:"header-anchor",attrs:{href:"#docs"}},[n._v("#")]),n._v(" Docs")]),n._v(" "),e("ul",[e("li",[e("RouterLink",{attrs:{to:"/general/data-structures.html"}},[n._v("Data structures ("),e("code",[n._v("labels")]),n._v(")")])],1),n._v(" "),e("li",[e("RouterLink",{attrs:{to:"/charts/line.html"}},[n._v("Line")])],1),n._v(" "),e("li",[e("RouterLink",{attrs:{to:"/configuration/legend.html"}},[n._v("Legend")]),n._v(" "),e("ul",[e("li",[e("code",[n._v("display: false")])])])],1),n._v(" "),e("li",[e("RouterLink",{attrs:{to:"/developers/plugins.html"}},[n._v("Plugins")])],1)])],1)}),[],!1,null,null,null);t.default=i.exports}}]);