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https://github.com/ratson/react-native-superb-grid

Responsive Grid View for React Native in TypeScript
https://github.com/ratson/react-native-superb-grid

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Responsive Grid View for React Native in TypeScript

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README

        

# React Native Superb Grid

![npm version](https://img.shields.io/npm/v/react-native-superb-grid.svg?colorB=brightgreen&style=flat-square)
![npm download](https://img.shields.io/npm/dt/react-native-superb-grid.svg?style=flat-square)

Responsive Grid View for React Native.

## Features

This is a fork of [react-native-super-grid](https://github.com/saleel/react-native-super-grid) with the following differences,

- Rewrite in TypeScript
- Remove 'prop-types` dependency
- Remove usage of `defaultProps`
- Various fixes to React hooks usages

## Getting Started

This library export two components - FlatGrid (similar to FlatList) and SectionGrid (similar to SectionList). Both components render a Grid layout that adapts itself to various screen resolutions.

Instead of passing an itemPerRow argument, you pass `itemDimension` and each item will be rendered with a dimension size equal to or more than (to fill the screen) the given dimension.

Internally, these components use the native [FlatList](https://facebook.github.io/react-native/docs/flatlist.html) and [SectionList](https://facebook.github.io/react-native/docs/sectionlist.html).

### Installing

You can install the package via npm.

```
npm install react-native-superb-grid
```

### Usage (FlatGrid)

```javascript
import { FlatGrid } from "react-native-superb-grid";
```

```javascript
{item}}
/>
```

### Usage (SimpleGrid)

This component is similar to the FlatGrid but does not use a FlatList, instead, it simply maps over the data items. This is useful if you need to put a grid inside a ScrollView or if you have a small array.

```javascript
import { SimpleGrid } from "react-native-superb-grid";
```

```javascript
{item}}
/>
```

### Usage (SectionGrid)

```javascript
import { SectionGrid } from "react-native-superb-grid";
```

```javascript
{item}}
renderSectionHeader={({ section }) => (
{section.title}
)}
/>
```

#### Properties

| Property | Type | Default Value | Description |
|---|---|---|---|
| renderItem | Function | | Function to render each object. Should return a react native component. Same signature as that of FlatList/SectionList's renderItem (with an additional key `rowIndex`). |
| data (for FlatGrid) sections (for SectionGrid) | Array | | Data to be rendered. renderItem will be called with each item in this array. Same signature as that of FlatList/SectionList. | |
| itemDimension | Number | 120 | Minimum width or height for each item in pixels (virtual). |
| fixed | Boolean | false | If true, the exact ```itemDimension``` will be used and won't be adjusted to fit the screen. |
| spacing | Number | 10 | Spacing between each item. |
| style | [FlatList](https://facebook.github.io/react-native/docs/flatlist.html) styles (Object) | | Styles for the container. Styles for an item should be applied inside ```renderItem```. Note: If you set `adjustGridToStyles` to `true` then padding added in this prop will be used to adjust the total dimensions of the grid to reflect the padding in this style object. |
| additionalRowStyle | styles (Object) | | Additional styles for rows (rows render multiple items within), apart from the generated ones.
| itemContainerStyle | styles (Object) | | Style for item's container. Not needed for most cases.
| staticDimension | Number | | Specifies a static width or height for the container. If not passed, `maxDimension` will be used.|
| maxDimension | Number | | Specifies a maximum width or height for the container. If not passed, full width/height of the screen will be used. Note: If you set `adjustGridToStyles` to `true` then you can alternatively use the `contentContainerStyle` prop and set `maxWidth` or `maxHeight`.|
| horizontal | boolean | false | If true, the grid will be scrolling horizontally. If you want your item to fill the height when using a horizontal grid, you should give it a height of '100%'. This prop doesn't affect the SectionGrid, which only scrolls vertically. |
| onLayout | Function | | Optional callback ran by the internal `FlatList` or `SectionList`'s `onLayout` function, thus invoked on mount and layout changes. |
| listKey | String | | A unique identifier for the Grid. This key is necessary if you are nesting multiple FlatGrid/SectionGrid inside another Grid (or any VirtualizedList).|
| keyExtractor | Function | | A function `(item, rowItemIndex) => {String}` that should return a unique key for the item passed.|
| invertedRow | boolean | | Reverses the direction of row items. It can be used with the [`inverted`](https://reactnative.dev/docs/flatlist#inverted) property.|
| maxItemsPerRow | number | | Specifies the maximum number of items to render per row|
| contentContainerStyle | styles (Object) | | This is the regular FlatList/SectionList prop. If you set `adjustGridToStyles` to `true` and specify `maxWidth` or `maxHeight` it will be used the same as `maxDimension`. In addition, padding added here will be used to adjust the total dimensions of the grid to reflect the padding in this style object.|
| adjustGridToStyles | boolean | | Set to true when you want the library to automatically adjust the total dimensions of the grid based on `style` and `contentContainerStyle` props |
| customFlatList (for FlatGrid) | ElementType | | Replaces `FlatList` in FlatGrid with ElementType. E.g. `Animated.FlatList` |
| customSectionList (for SectionGrid) | ElementType | | Replaces `SectionList` in SectionGrid with ElementType. E.g. `Animated.SectionList` |
| onItemsPerRowChange | Function | | A callback `(itemsPerRow: number) => void` that is called when number of items per row is determined. |

All additional props you pass will be passed on to the internal FlatList/SectionList. This means you can make use of various props and methods like `ListHeaderComponent`, `onEndReached`, `onRefresh`...etc. While these are not tested for compatibility, most of them should work as expected.

In **SectionGrid**, `section` argument in methods like `renderSectionHeader`, `renderSectionFooter`, `ItemSeparatorComponent` will slightly different from the actual section you passed. The `data` key in the `section` will be the grouped versions of items (items that go in one row), and the original list of items can be found in `originalData` key. All other keys will remain intact.

#### Full width items

To make an item full width, simply include `_fullWidth: true` in the data object for that item. For example:

```javascript
{ name: 'TURQUOISE', code: '#1abc9c', _fullWidth: true }
```

## FlatGrid Example

```javascript
import React from "react";
import { StyleSheet, View, Text } from "react-native";
import { FlatGrid } from "react-native-superb-grid";

export default function Example() {
const [items, setItems] = React.useState([
{ name: "TURQUOISE", code: "#1abc9c" },
{ name: "EMERALD", code: "#2ecc71" },
{ name: "PETER RIVER", code: "#3498db" },
{ name: "AMETHYST", code: "#9b59b6" },
{ name: "WET ASPHALT", code: "#34495e" },
{ name: "GREEN SEA", code: "#16a085" },
{ name: "NEPHRITIS", code: "#27ae60" },
{ name: "BELIZE HOLE", code: "#2980b9" },
{ name: "WISTERIA", code: "#8e44ad" },
{ name: "MIDNIGHT BLUE", code: "#2c3e50" },
{ name: "SUN FLOWER", code: "#f1c40f" },
{ name: "CARROT", code: "#e67e22" },
{ name: "ALIZARIN", code: "#e74c3c" },
{ name: "CLOUDS", code: "#ecf0f1" },
{ name: "CONCRETE", code: "#95a5a6" },
{ name: "ORANGE", code: "#f39c12" },
{ name: "PUMPKIN", code: "#d35400" },
{ name: "POMEGRANATE", code: "#c0392b" },
{ name: "SILVER", code: "#bdc3c7" },
{ name: "ASBESTOS", code: "#7f8c8d" },
]);

return (
(

{item.name}
{item.code}

)}
/>
);
}

const styles = StyleSheet.create({
gridView: {
marginTop: 10,
flex: 1,
},
itemContainer: {
justifyContent: "flex-end",
borderRadius: 5,
padding: 10,
height: 150,
},
itemName: {
fontSize: 16,
color: "#fff",
fontWeight: "600",
},
itemCode: {
fontWeight: "600",
fontSize: 12,
color: "#fff",
},
});
```

| ![iPhone6 Portrait](/screenshots/iphone6_portrait.png?raw=true "iPhone6 Portrait") | ![iPhone6 Landscape](/screenshots/iphone6_landscape.png?raw=true "iPhone6 Landscape") |
| :--------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------: |
| iPhone6 Portrait | iPhone6 Landscape |

| ![iPad Air 2 Portrait](/screenshots/ipadair2_portrait.png?raw=true "iPad Air 2 Portrait") | ![iPad Air 2 Landscape](/screenshots/ipadair2_landscape.png?raw=true "iPad Air 2 Landscape") |
| :---------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------: |
| iPad Air 2 Portrait | iPad Air 2 Landscape |

| ![Android Portrait](/screenshots/android_portrait.png?raw=true "Android Portrait") | ![Android Landscape](/screenshots/android_landscape.png?raw=true "Android Landscape") |
| :--------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------: |
| Android Portrait | Android Landscape |

| ![Android Horizontal Portrait](/screenshots/android_horizontal_portrait.png?raw=true "Android Horizontal Portrait") | ![Android Horizontal Landscape](/screenshots/android_horizontal_landscape.png?raw=true "Android Horizontal Landscape") |
| :-----------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------: |
| Android Horizontal Portrait | Android Horizontal Landscape |

| ![iPhone Horizontal Portrait](/screenshots/iphone_horizontal_portrait.png?raw=true "iPhone Horizontal Portrait") | ![iPhone Horizontal Landscape](/screenshots/iphone_horizontal_landscape.png?raw=true "iPhone Horizontal Landscape") |
| :--------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------: |
| iPhone Horizontal Portrait | iPhone Horizontal Landscape |

## SectionGrid Example

```javascript
import React, { Component } from "react";
import { StyleSheet, View, Text } from "react-native";
import { SectionGrid } from "react-native-superb-grid";

export default function Example() {
const [items, setItems] = React.useState([
{ name: "TURQUOISE", code: "#1abc9c" },
{ name: "EMERALD", code: "#2ecc71" },
{ name: "PETER RIVER", code: "#3498db" },
{ name: "AMETHYST", code: "#9b59b6" },
{ name: "WET ASPHALT", code: "#34495e" },
{ name: "GREEN SEA", code: "#16a085" },
{ name: "NEPHRITIS", code: "#27ae60" },
{ name: "BELIZE HOLE", code: "#2980b9" },
{ name: "WISTERIA", code: "#8e44ad" },
{ name: "MIDNIGHT BLUE", code: "#2c3e50" },
{ name: "SUN FLOWER", code: "#f1c40f" },
{ name: "CARROT", code: "#e67e22" },
{ name: "ALIZARIN", code: "#e74c3c" },
{ name: "CLOUDS", code: "#ecf0f1" },
{ name: "CONCRETE", code: "#95a5a6" },
{ name: "ORANGE", code: "#f39c12" },
{ name: "PUMPKIN", code: "#d35400" },
{ name: "POMEGRANATE", code: "#c0392b" },
{ name: "SILVER", code: "#bdc3c7" },
{ name: "ASBESTOS", code: "#7f8c8d" },
]);

return (
(

{item.name}
{item.code}

)}
renderSectionHeader={({ section }) => (
{section.title}
)}
/>
);
}

const styles = StyleSheet.create({
gridView: {
marginTop: 20,
flex: 1,
},
itemContainer: {
justifyContent: "flex-end",
borderRadius: 5,
padding: 10,
height: 150,
},
itemName: {
fontSize: 16,
color: "#fff",
fontWeight: "600",
},
itemCode: {
fontWeight: "600",
fontSize: 12,
color: "#fff",
},
sectionHeader: {
flex: 1,
fontSize: 15,
fontWeight: "600",
alignItems: "center",
backgroundColor: "#636e72",
color: "white",
padding: 10,
},
});
```

| ![iPhone SectionGrid Portrait](/screenshots/iphone_section_grid_portrait.png?raw=true "iPhone SectionGrid Portrait") | ![iPhone6 Landscape](/screenshots/iphone_section_grid_landscape.png?raw=true "iPhone6 Landscape") |
| :------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------: |
| iPhone SectionGrid Portrait | iPhone6 Landscape |

## License

This project is licensed under the MIT License - see the [LICENSE.md](LICENSE.md) file for details.

## Acknowledgments

Colors in the example from https://flatuicolors.com/.

Screenshot Mockup generated from https://mockuphone.com.