| if (!window.asf) { |
| window.asf = {}; |
| } |
| |
| // code based on https://echarts.apache.org/examples/en/editor.html?c=custom-profile |
| window.asf.directorsTimelineChart = function (chartDom, timelineData) { |
| const myChart = echarts.init(chartDom); |
| let option; |
| |
| const perPersonPixelsHeight = 20; |
| const dateFormatOptions = { year: 'numeric', month: 'long', day: 'numeric' }; |
| const dateFormat = new Intl.DateTimeFormat('en-US', dateFormatOptions); |
| |
| let data = []; |
| const startTime = new Date(1999, 1, 1).getTime(); |
| |
| // Render each person in a different color, repeating this sequence |
| const colors = [ |
| 'red', |
| 'green', |
| 'blue', |
| 'orange', |
| 'indigo', |
| 'violet' |
| ]; |
| let colorIndex = -1; |
| timelineData.forEach(function (person) { |
| if (++colorIndex > colors.length) { |
| colorIndex = 0; |
| } |
| person.color = colors[colorIndex]; |
| }) |
| |
| // Create timeline segments |
| timelineData.forEach(function (person, index) { |
| person.segments.forEach(function (segment) { |
| data.push({ |
| name: person.name, |
| id: person.id, |
| value: [index, segment.start.getTime(), segment.end.getTime(), segment.end.getTime() - segment.start.getTime()], |
| itemStyle: { |
| color: person.color |
| } |
| }); |
| }) |
| }); |
| |
| function renderItem(params, api) { |
| let categoryIndex = api.value(0); |
| const start = api.coord([api.value(1), categoryIndex]); |
| const end = api.coord([api.value(2), categoryIndex]); |
| const height = api.size([0, 1])[1] * 0.6; |
| let rectShape = echarts.graphic.clipRectByRect( |
| { |
| x: start[0], |
| y: start[1] - height / 2, |
| width: end[0] - start[0], |
| height: height |
| }, |
| { |
| x: params.coordSys.x, |
| y: params.coordSys.y, |
| width: params.coordSys.width, |
| height: params.coordSys.height |
| } |
| ); |
| return ( |
| rectShape && { |
| type: 'rect', |
| transition: ['shape'], |
| shape: rectShape, |
| style: { |
| fill: api.visual('color') |
| } |
| } |
| ); |
| } |
| option = { |
| tooltip: { |
| formatter: function (params) { |
| const startDate = new Date(params.value[1]); |
| const endDate = new Date(params.value[2]); |
| return `${params.marker}${params.data.name} (${params.data.id}): ${dateFormat.format(startDate)} - ${dateFormat.format(endDate)}`; |
| } |
| }, |
| dataZoom: [ |
| { |
| type: 'slider', |
| filterMode: 'weakFilter', |
| showDataShadow: false, |
| top: 0, |
| labelFormatter: '' |
| }, |
| { |
| type: 'inside', |
| filterMode: 'weakFilter' |
| } |
| ], |
| grid: { |
| height: perPersonPixelsHeight * timelineData.length |
| }, |
| xAxis: { |
| min: startTime, |
| scale: true, |
| axisLabel: { |
| formatter: function (val) { |
| return dateFormat.format(new Date(val)); |
| } |
| } |
| }, |
| yAxis: { |
| data: timelineData.map(p => p.name) |
| }, |
| series: [ |
| { |
| type: 'custom', |
| renderItem: renderItem, |
| itemStyle: { |
| opacity: 0.8 |
| }, |
| encode: { |
| x: [1, 2], |
| y: 0 |
| }, |
| data: data |
| } |
| ] |
| }; |
| |
| option && myChart.setOption(option); |
| } |