devneagu/nice-react-layout

Create complex and nice Flexbox-based layouts, without even knowing what flexbox means

Nice React Layout

A set of React components to create complex flexbox-based layouts without knowing what flexbox is. https://ekros.github.io/nice-react-layout/

Installation

yarn add nice-react-layout

Motivation

The aim of this project is to have a reduced set of components to create flexbox-based layouts abstracting the knowledge needed to understand how flexbox works. This library is very useful for web apps with lots of panels.

Features

• Easy to learn: Just combine layouts and panels.
• Create collapsible sidebars with ease.
• Automagically colorize panels with random colors to speed-up prototyping.
• Resizable panels. Just add separators to your layouts.
• Swap panels position using Drag and drop!

Basic Usage

Components can be imported using ES6 modules syntax:

import {
  HorizontalLayout,
  VerticalLayout,
  Panel,
  Separator,
  Spacer,
  View
} from "nice-react-layout";

Creating a simple layout is as easy as this:

<HorizontalLayout mockup>
  <Panel />
  <Panel />
</HorizontalLayout>

It renders an horizontal layout with two panels of the same size (they have proportion=1 by default). Thanks to the 'mockup' prop it paints every panel with a random color, easing the layout prototyping process. Layouts get all the available space by default (in the parent element). If you want your layout to fill the viewport you can use the component. Like this:

<View>
  <HorizontalLayout mockup>
    <Panel />
    <Panel />
  </HorizontalLayout>
</View>

In both horizontal and vertical layouts add the prop 'proportion' with the proportional part it takes from the available space. This example creates a typical sidebar + content layout:

<HorizontalLayout mockup>
  <Panel proportion={1} />
  <Panel proportion={4} />
</HorizontalLayout>

Do you want to add a separator between both panels? Use the Separator component:

<HorizontalLayout mockup>
  <Panel proportion={1} />
  <Separator />
  <Panel proportion={4} />
</HorizontalLayout>

You can nest layouts. Let's add a vertical layout, with its own Separator, inside the right panel:

<HorizontalLayout mockup>
  <Panel proportion={1} />
  <Separator />
  <Panel proportion={4}>
    <VerticalLayout mockup>
      <Panel />
      <Separator />
      <Panel />
    </VerticalLayout>
  </Panel>
</HorizontalLayout>

To enable drag-and-drop feature, use the draggable and droppable props:

<HorizontalLayout mockup>
  <Panel draggable droppable />
  <Panel draggable droppable />
</HorizontalLayout>

For a complete example with every feature, see the src/demo/App.js file. Or just run yarn start.

Components

View

The top-level component. It gets all the available viewport space. Use it if you want your layout to fill the viewport or pass width / height props.

Props

Prop	Description
width	view width (100vw by default)
height	view height (100vh by default)

HorizontalLayout

It creates an horizontal layout. This is shorthand component for:

<Layout orientation="horizontal" />

VerticalLayout

It creates vertical layout layout. This is a shorthand component for:

<Layout orientation="vertical" />

Layout

Creates a layout.

Props

Prop	Description
className	Top-level element class name
collapseSize	Collapsible panels size when collapsed
customCss	Custom layout CSS object
mockup	Render in mockup mode
onResize	Returns (layout, collapsedPanels) on resize
orientation	'vertical' or 'horizontal'
reverse	Render layout in reverse order

Panel

Here is where your content goes. If you are familiar with flexbox, this is like a "flex item" with a flex value of 1 by default. If not, don't worry, you don't need to know that :)

Props

Prop	Description
centered	Center panel content
className	Top-level element class name
collapsible	The panel can be collapsed
collapsed	Is the panel collapsed?
collapseButtonClass	Adds a class to the collapse button
collapseButtonContent	A String or element
collapseButtonCollapsedContent	A String or element
collapseButtonStyle	Inject inline CSS to the collapse button
collapsePanel	Called when collapse button is clicked
collapseSwitch	Custom collapse element (renders button if not provided)
columns	Number of columns (uses CSS multiple columns)
customCss	Custom panel CSS object (injects it as an inline style)
draggable	Enable dragging
droppable	Other panels can be dropped here
minHeight	Minimum panel height
minWidth	Minimum panel width
mockup	Render in mockup mode
orientation	'vertical' or 'horizontal'
proportion	Proportion it uses from the available space (default = 1)
reverse	Render layout in reverse order
showSize	Show panel size while dragging adjacent separators
sidebar	Don't do much by it self. It is a requirement for sidebar props like 'collapsible'

Separator

It separates panels and allows them to be resized. This is optional.

Props

Prop	Description
customCss	Custom separator CSS object (injects it as an inline style)
defaultDblClickPos	Position where the separator goes when double-clicked
disabled	Is disabled?
onSeparatorDoubleClick	Action called when the separator is double-clicked
onSeparatorMouseDown	Action called when the mouse is over the separator

Spacer

It renders a blank space. Useful when you need to leave spaces between panels.

Props

Prop	Description
size	Separator size in pixels

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