チャート:定期的なタスク

ガントチャートはプロジェクトスケジュールを示します。これらは各タスクの開始日と終了日を示し、通常は各タスクの完了状態やタスク間の依存関係などの情報を追加します。

このサンプルでは、FlexChartを使用して定期的なタスクを含むガントチャートを作成する方法を示します。

これは、同じ(数値の)"X"値を持つデータ項目を追加することによって行われます。

Y軸には、バインドされたX値(インデックス)をタスク名に置き換える itemFormatterがあります。

import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import './styles.css'; import { FlexChart } from '@mescius/wijmo.chart'; import { format } from '@mescius/wijmo'; import { getData } from './data'; document.readyState === 'complete' ? init() : window.onload = init; function init() { // create simple Gantt chart var theChart = new FlexChart('#theChart', { itemsSource: getData(), chartType: 'Bar', bindingX: 'index', series: [ { binding: 'start,end' } ], axisY: { majorGrid: false, minorGrid: true, reversed: true, itemFormatter: formatter }, plotMargin: 'auto auto auto 180', tooltip: { content: getTooltipContent } }); // replace item index with item name in Y axis function formatter(engine, label) { var data = theChart.itemsSource; for (let i = 0; i < data.length; i++) { let item = data[i]; if (item.index == label.val) { label.text = item.name; break; } } return label; } // show task name and duraction in tooltip function getTooltipContent(ht) { var str = format('<b>{name}</b>:<br/>{start:d} - {end:d}', { name: ht.item.name, start: ht.item.start, end: ht.item.end }); return str; } }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo FlexChart Gantt Repeat</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.21.5/system.src.js" integrity="sha512-skZbMyvYdNoZfLmiGn5ii6KmklM82rYX2uWctBhzaXPxJgiv4XBwJnFGr5k8s+6tE1pcR1nuTKghozJHyzMcoA==" crossorigin="anonymous" referrerpolicy="no-referrer"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app'); </script> </head> <body> <div class="container-fluid"> <div id="theChart"></div> </div> </body> </html>
import { DateTime } from '@mescius/wijmo'; export function getData() { let data = []; let date = new Date(); // add some regular tasks for (let i = 0; i < 3; i++) { let low = i + Math.ceil(Math.random() * 10); let high = low + Math.ceil(Math.random() * 10); data.push({ index: i, name: 'タスク' + (i + 1), start: new Date(date.getTime() + low * 3600 * 24 * 1000), end: new Date(date.getTime() + high * 3600 * 24 * 1000) }); } // add a repeating task (same "index" value) let dt = data[0].start; for (let i = 0; i < 5; i++) { data.push({ index: 3, name: '定期タスク1', start: dt, end: DateTime.addDays(dt, 4) }); dt = DateTime.addDays(dt, 7); } // add another repeating task dt = DateTime.addDays(data[0].start, 2); for (let i = 0; i < 5; i++) { data.push({ index: 4, name: '定期タスク2', start: dt, end: DateTime.addDays(dt, 5) }); dt = DateTime.addDays(dt, 7); } // done return data; }
body { margin-bottom: 24pt; }
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