gantt/src/defaults.js

import date_utils from './date_utils';

function getDecade(d) {
    const year = d.getFullYear();
    return year - (year % 10) + '';
}

function formatWeek(d, ld, lang) {
    let endOfWeek = date_utils.add(d, 6, 'day');
    let endFormat = endOfWeek.getMonth() !== d.getMonth() ? 'D MMM' : 'D';
    let beginFormat = !ld || d.getMonth() !== ld.getMonth() ? 'D MMM' : 'D';
    return `${date_utils.format(d, beginFormat, lang)}-${date_utils.format(endOfWeek, endFormat, lang)}`;
}

const DEFAULT_VIEW_MODES = [
    {
        name: 'Hour',
        padding: '7d',
        step: '1h',
        lower_text: 'HH',
        upper_text: (d, ld, lang) =>
            !ld || d.getDate() !== ld.getDate()
                ? date_utils.format(d, 'D MMMM', lang)
                : '',
        upper_text_frequency: 24,
    },
    {
        name: 'Quarter Day',
        padding: '7d',
        step: '6h',
        lower_text: 'HH',
        upper_text: (d, ld, lang) =>
            !ld || d.getDate() !== ld.getDate()
                ? date_utils.format(d, 'D MMM', lang)
                : '',
        upper_text_frequency: 4,
    },
    {
        name: 'Half Day',
        padding: '14d',
        step: '12h',
        lower_text: 'HH',
        upper_text: (d, ld, lang) =>
            !ld || d.getDate() !== ld.getDate()
                ? d.getMonth() !== d.getMonth()
                    ? date_utils.format(d, 'D MMM', lang)
                    : date_utils.format(d, 'D', lang)
                : '',
        upper_text_frequency: 2,
    },
    {
        name: 'Day',
        padding: '1m',
        format_string: 'YYYY-MM-DD',
        step: '1d',
        lower_text: (d, ld, lang) =>
            !ld || d.getDate() !== ld.getDate()
                ? date_utils.format(d, 'D', lang)
                : '',
        upper_text: (d, ld, lang) =>
            !ld || d.getMonth() !== ld.getMonth()
                ? date_utils.format(d, 'MMMM', lang)
                : '',
        thick_line: (d) => d.getDay() === 1,
    },
    {
        name: 'Week',
        padding: '1m',
        step: '7d',
        format_string: 'YYYY-MM-DD',
        column_width: 140,
        lower_text: formatWeek,
        upper_text: (d, ld, lang) =>
            !ld || d.getMonth() !== ld.getMonth()
                ? date_utils.format(d, 'MMMM', lang)
                : '',
        thick_line: (d) => d.getDate() >= 1 && d.getDate() <= 7,
        upper_text_frequency: 4,
    },
    {
        name: 'Month',
        padding: '2m',
        step: '1m',
        column_width: 120,
        format_string: 'YYYY-MM',
        lower_text: 'MMMM',
        upper_text: (d, ld, lang) =>
            !ld || d.getFullYear() !== ld.getFullYear()
                ? date_utils.format(d, 'YYYY', lang)
                : '',
        thick_line: (d) => d.getMonth() % 3 === 0,
        default_snap: '7d',
    },
    {
        name: 'Year',
        padding: '2y',
        step: '1y',
        column_width: 120,
        format_string: 'YYYY',
        upper_text: (d, ld, lang) =>
            !ld || getDecade(d) !== getDecade(ld) ? getDecade(d) : '',
        lower_text: 'YYYY',
        default_snap: '30d',
    },
];

const DEFAULT_OPTIONS = {
    arrow_curve: 5,
    auto_move_label: false,
    bar_corner_radius: 3,
    bar_height: 30,
    container_height: 300,
    column_width: null,
    date_format: 'YYYY-MM-DD',
    upper_header_height: 45,
    lower_header_height: 30,
    snap_at: null,
    infinite_padding: false,
    holidays: { 'var(--g-weekend-highlight-color)': 'weekend' },
    ignore: [],
    language: 'en',
    lines: 'both',
    move_dependencies: true,
    padding: 18,
    popup: (ctx) => {
        ctx.set_title(ctx.task.name);
        if (ctx.task.description) ctx.set_subtitle(ctx.task.description);
        else ctx.set_subtitle('');

        const start_date = date_utils.format(
            ctx.task._start,
            'MMM D',
            ctx.chart.options.language,
        );
        const end_date = date_utils.format(
            date_utils.add(ctx.task._end, -1, 'second'),
            'MMM D',
            ctx.chart.options.language,
        );

        ctx.set_details(
            `${start_date} - ${end_date} (${ctx.task.actual_duration} days${ctx.task.ignored_duration ? ' + ' + ctx.task.ignored_duration + ' excluded' : ''})<br/>Progress: ${ctx.task.progress}%`,
        );

        if (!ctx.chart.options.readonly) {
            ctx.add_action('Toggle Priority', (task, chart) => {
                task.important = !task.important;
                chart.refresh(
                    chart.tasks.map((t) => (t.id !== task.id ? t : task)),
                );
            });
            if (!ctx.chart.options.readonly_progress) {
                ctx.add_action('+', (task, chart) => {
                    task.progress +=
                        Math.floor((1 / task.actual_duration) * 10000) / 100;
                    chart.refresh(
                        chart.tasks.map((t) => (t.id !== task.id ? t : task)),
                    );
                });
                ctx.add_action('-', (task, chart) => {
                    task.progress -= (1 / task.actual_duration) * 100;
                    chart.refresh(
                        chart.tasks.map((t) => (t.id !== task.id ? t : task)),
                    );
                });
            }
        }
    },
    popup_on: 'click',
    readonly_progress: false,
    readonly_dates: false,
    readonly: false,
    scroll_to: 'today',
    show_expected_progress: false,
    today_button: true,
    view_mode: 'Day',
    view_mode_select: false,
    view_modes: DEFAULT_VIEW_MODES,
};

export { DEFAULT_OPTIONS, DEFAULT_VIEW_MODES };