The flutter_gantt_chart from kkimj

flutter_gantt_chart's Introduction

A fully customizable gantt chart package written purely in dart

This package is still in active development and may experience breaking changes

Features

Sticky area to show event names
Fully customizable widget with builders
Either use relative or absolute dates

Usage

GanttChartView(
    maxDuration: const Duration(days: 30 * 2), //optional, set to null for infinite horizontal scroll
    startDate: DateTime(2022, 6, 7), //required 
    dayWidth: 30, //column width for each day
    eventHeight: 30, //row height for events
    stickyAreaWidth: 200, //sticky area width
    showStickyArea: true, //show sticky area or not
    showDays: true, //show days or not
    startOfTheWeek: WeekDay.sunday, //custom start of the week
    weekEnds: const {WeekDay.friday, WeekDay.saturday}, //custom weekends
    isExtraHoliday: (context, day) {
        //define custom holiday logic for each day
        return DateUtils.isSameDay(DateTime(2022, 7, 1), day);
    },
    events: [
        //event relative to startDate
        GanttRelativeEvent(
            relativeToStart: const Duration(days: 0),
            duration: const Duration(days: 5),
            displayName: 'Do a very helpful task',
        ),
        //event with absolute start and end
        GanttAbsoluteEvent(
            startDate: DateTime(2022, 6, 10),
            endDate: DateTime(2022, 6, 16),
            displayName: 'Another task',
        ),
    ],
),

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