# gantt-task-react

## Interactive Gantt Chart for React with TypeScript.

![example](https://user-images.githubusercontent.com/26743903/88215863-f35d5f00-cc64-11ea-81db-e829e6e9b5c8.png)

## [Live Demo](https://matematuk.github.io/gantt-task-react/)

## Install

```
npm install gantt-task-react
```

## How to use it

```javascript
import { Gantt, Task, EventOption, StylingOption, ViewMode, DisplayOption } from 'gantt-task-react';
let tasks: Task[] = [
    {
      start: new Date(2020, 1, 1),
      end: new Date(2020, 1, 2),
      name: 'Idea',
      id: 'Task 0',
      progress: 45,
      isDisabled: true,
      styles: { progressColor: '#ffbb54', progressSelectedColor: '#ff9e0d' },
    },
    ...
];
<Gantt tasks={tasks} />
```

You may handle actions

```javascript
<Gantt
  tasks={tasks}
  viewMode={view}
  onDateChange={onTaskChange}
  onTaskDelete={onTaskDelete}
  onProgressChange={onProgressChange}
  onDoubleClick={onDblClick}
/>
```

## How to run example

```
cd ./example
npm install
npm start
```

## Gantt Configuration

### GanttProps

| Parameter Name                  | Type      | Required | Description                                        |
| :------------------------------ | :-------- | :------- | :------------------------------------------------- |
| tasks                           | Task      | Yes      | Tasks array.                                       |
| [EventOption](#EventOption)     | interface | No       | Specifies gantt events.                            |
| [DisplayOption](#DisplayOption) | interface | No       | Specifies view type and display timeline language. |
| StylingOption                   | interface | No       | Specifies chart and global tasks styles            |

### EventOption

| Parameter Name   | Type                              | Required | Description                                                                           |
| :--------------- | :-------------------------------- | :------- | :------------------------------------------------------------------------------------ |
| onDoubleClick    | (task: Task) => any               | No       | Specifies the function to be executed on the bar`s onDoubleClick event.               |
| onTaskDelete     | (task: Task) => void/Promise<any> | No       | Specifies the function to be executed on the bar`s on Delete button press event.      |
| onDateChange     | (task: Task) => void/Promise<any> | No       | Specifies the function to be executed when drag bar`s event on timeline has finished. |
| onProgressChange | (task: Task) => void/Promise<any> | No       | Specifies the function to be executed when drag bar`s progress event has finished.    |
| timeStep         | number                            | No       | A time step value for onDateChange. Specify in milliseconds.                          |

### DisplayOption

| Parameter Name | Type   | Required | Description                                                                                     |
| :------------- | :----- | :------- | :---------------------------------------------------------------------------------------------- |
| viewMode       | enum   | No       | Specifies the time scale. Quarter Day, Half Day, Day, Week(ISO-8601, 1st day is Monday), Month. |
| locale         | string | No       | Specifies the month name language. Able formats: ISO 639-2, Java Locale.                        |

Work in progress