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break layout/draft.js into smaller files

This commit is contained in:
Enoch Riese 2022-06-28 13:41:27 -05:00
parent e21ffa4bc8
commit 15525678d4
4 changed files with 198 additions and 194 deletions

View file

@ -34,3 +34,13 @@ export const getProps = (obj) => {
return props return props
} }
export const dx = (pointA, pointB) => pointB.x - pointA.x
export const dy = (pointA, pointB) => pointB.y - pointA.y
export const rad2deg = radians => radians * 57.29577951308232
export const angle = (pointA, pointB) => {
let rad = Math.atan2(-1 * dy(pointA, pointB), dx(pointA, pointB))
while (rad < 0) rad += 2 * Math.PI
return rad2deg(rad)
}

View file

@ -73,197 +73,10 @@
* how custom layouts are supported in the core. And I would like to discuss this with the core team. * how custom layouts are supported in the core. And I would like to discuss this with the core team.
*/ */
import { useEffect, useRef, useState } from 'react' import { useEffect, useRef, useState } from 'react'
import Svg from '../draft/svg' import Svg from '../../draft/svg'
import Defs from '../draft/defs' import Defs from '../../draft/defs'
import Path from '../draft/path' import { angle } from '../../draft/utils'
import Point from '../draft/point' import Part from './part'
import Snippet from '../draft/snippet'
import {PartInner} from '../draft/part'
import { getProps } from '../draft/utils'
import { drag } from 'd3-drag'
import { select } from 'd3-selection'
const Buttons = ({ transform, flip, rotate, setRotate, resetPart }) => {
const letter = 'F'
const style = { style: {fill: 'white', fontSize: 18, fontWeight: 'bold', textAnchor: 'middle'} }
return (
<g transform={transform}>
{rotate
? <circle cx="0" cy="0" r="50" className='stroke-2xl muted' />
: <path d="M -50, 0 l 100,0 M 0,-50 l 0,100" className="stroke-2xl muted" />
}
<g className="svg-layout-button" onClick={resetPart}>
<rect x="-10" y="-10" width="20" height="20" />
<text x="0" y="10" {...style}>{letter}</text>
</g>
<g className="svg-layout-button" onClick={() => flip('y')}>
<rect x="10" y="-10" width="20" height="20" className="button" />
<text x="20" y="10" {...style} transform="scale(1,-1)">{letter}</text>
</g>
<g className="svg-layout-button" onClick={() => flip('x')}>
<rect x="-30" y="-10" width="20" height="20" className="button" />
<text x="20" y="10" {...style} transform="scale(-1,1)">{letter}</text>
</g>
</g>
)
}
const dx = (pointA, pointB) => pointB.x - pointA.x
const dy = (pointA, pointB) => pointB.y - pointA.y
const rad2deg = radians => radians * 57.29577951308232
const angle = (pointA, pointB) => {
let rad = Math.atan2(-1 * dy(pointA, pointB), dx(pointA, pointB))
while (rad < 0) rad += 2 * Math.PI
return rad2deg(rad)
}
const generateTransform = (x, y, rot, flipX, flipY, part) => {
const center = {
x: part.topLeft.x + (part.bottomRight.x - part.topLeft.x)/2,
y: part.topLeft.y + (part.bottomRight.y - part.topLeft.y)/2,
}
const dx = part.topLeft.x - center.x
const dy = part.topLeft.y - center.y
const transforms = [`translate(${x},${y})`]
if (flipX) transforms.push(
`translate(${center.x * -1}, ${center.y * -1})`,
'scale(-1, 1)',
`translate(${center.x * -1 + 2 * dx}, ${center.y})`
)
if (flipY) transforms.push(
`translate(${center.x * -1}, ${center.y * -1})`,
'scale(1, -1)',
`translate(${center.x}, ${center.y * -1 + 2 * dy})`,
)
if (rot) transforms.push(
`rotate(${rot}, ${center.x}, ${center.y})`
)
return transforms.join(' ')
}
const Part = props => {
const { layout, gist, name, part} = props
const partLayout = layout.parts[name]
// Don't just assume this makes sense
if (typeof layout.parts?.[name]?.move?.x === 'undefined') return null
// Use a ref for direct DOM manipulation
const partRef = useRef(null)
const centerRef = useRef(null)
// State variable to switch between moving or rotating the part
const [rotate, setRotate] = useState(false)
// Initialize drag handler
useEffect(() => {
handleDrag(select(partRef.current))
}, [rotate, layout])
// These are kept as vars because re-rendering on drag would kill performance
// Managing the difference between re-render and direct DOM updates makes this
// whole thing a bit tricky to wrap your head around
let translateX = partLayout.move.x
let translateY = partLayout.move.y
let partRotation = partLayout.rotate || 0;
let rotation = partRotation;
let flipX = partLayout.flipX ? true : false
let flipY = partLayout.flipY ? true : false
let partRect
const center = {
x: part.topLeft.x + (part.bottomRight.x - part.topLeft.x)/2,
y: part.topLeft.y + (part.bottomRight.y - part.topLeft.y)/2,
}
const getRotation = (event) => angle(center, event.subject) - angle(center, { x:event.x, y: event.y });
const handleDrag = drag()
.subject(function(event) {
return rotate ? { x: event.x, y: event.y } : {x: translateX, y: translateY}
})
.on('start', function(event) {
partRect = partRef.current.getBoundingClientRect()
})
.on('drag', function(event) {
if (rotate) {
let newRotation = getRotation(event);
if (flipX) newRotation *= -1
if (flipY) newRotation *= -1
rotation = partRotation + newRotation
}
else {
translateX = event.x
translateY = event.y
}
const me = select(this);
me.attr('transform', generateTransform(translateX, translateY, rotation, flipX, flipY, part));
})
.on('end', function(event) {
updateLayout()
})
const resetPart = () => {
rotation = 0
flipX = 0
flipY = 0
updateLayout()
}
const toggleDragRotate = () => {
updateLayout()
setRotate(!rotate)
}
const updateLayout = () => {
props.updateLayout(name, {
move: {
x: translateX,
y: translateY,
},
rotate: rotation,
flipX,
flipY
})
}
// Method to flip (mirror) the part along the X or Y axis
const flip = axis => {
if (axis === 'x') flipX = !flipX
else flipY = !flipY
updateLayout()
}
return (
<g
{...getProps(part)}
id={`part-${name}`}
ref={props.name === 'pages' ? null : partRef}
onClick={toggleDragRotate}
>
{PartInner(props)}
{props.name !== 'pages' && <>
<text x={center.x} y={center.y} ref={centerRef} />
<rect
x={part.topLeft.x}
y={part.topLeft.y}
width={part.width}
height={part.height}
className={`layout-rect ${rotate ? 'rotate' : 'move'}`}
/>
<Buttons
transform={`translate(${part.topLeft.x + part.width/2}, ${part.topLeft.y + part.height/2})`}
flip={flip}
rotate={rotate}
setRotate={setRotate}
resetPart={resetPart}
/>
</>}
</g>
)
}
const Draft = props => { const Draft = props => {
if (!props.gistReady) {return null} if (!props.gistReady) {return null}
@ -288,8 +101,7 @@ const Draft = props => {
// Helper method to update part layout and re-calculate width * height // Helper method to update part layout and re-calculate width * height
const updateLayout = (name, config) => { const updateLayout = (name, config) => {
// Start creating new layout // Start creating new layout
const oldLayout = {...layout } || false; const newLayout = {...layout}
const newLayout = {...oldLayout}
newLayout.parts[name] = config newLayout.parts[name] = config
newLayout.width = layout.width newLayout.width = layout.width
newLayout.height = layout.height newLayout.height = layout.height

View file

@ -0,0 +1,182 @@
import Path from '../../draft/path'
import Point from '../../draft/point'
import Snippet from '../../draft/snippet'
import {PartInner} from '../../draft/part'
import { getProps, angle } from '../../draft/utils'
import { drag } from 'd3-drag'
import { select } from 'd3-selection'
import { useRef, useState, useEffect} from 'react'
const Buttons = ({ transform, flip, rotate, setRotate, resetPart }) => {
const letter = 'F'
const style = { style: {fill: 'white', fontSize: 18, fontWeight: 'bold', textAnchor: 'middle'} }
return (
<g transform={transform}>
{rotate
? <circle cx="0" cy="0" r="50" className='stroke-2xl muted' />
: <path d="M -50, 0 l 100,0 M 0,-50 l 0,100" className="stroke-2xl muted" />
}
<g className="svg-layout-button" onClick={resetPart}>
<rect x="-10" y="-10" width="20" height="20" />
<text x="0" y="10" {...style}>{letter}</text>
</g>
<g className="svg-layout-button" onClick={() => flip('y')}>
<rect x="10" y="-10" width="20" height="20" className="button" />
<text x="20" y="10" {...style} transform="scale(1,-1)">{letter}</text>
</g>
<g className="svg-layout-button" onClick={() => flip('x')}>
<rect x="-30" y="-10" width="20" height="20" className="button" />
<text x="20" y="10" {...style} transform="scale(-1,1)">{letter}</text>
</g>
</g>
)
}
const generateTransform = (x, y, rot, flipX, flipY, part) => {
const center = {
x: part.topLeft.x + (part.bottomRight.x - part.topLeft.x)/2,
y: part.topLeft.y + (part.bottomRight.y - part.topLeft.y)/2,
}
const dx = part.topLeft.x - center.x
const dy = part.topLeft.y - center.y
const transforms = [`translate(${x},${y})`]
if (flipX) transforms.push(
`translate(${center.x * -1}, ${center.y * -1})`,
'scale(-1, 1)',
`translate(${center.x * -1 + 2 * dx}, ${center.y})`
)
if (flipY) transforms.push(
`translate(${center.x * -1}, ${center.y * -1})`,
'scale(1, -1)',
`translate(${center.x}, ${center.y * -1 + 2 * dy})`,
)
if (rot) transforms.push(
`rotate(${rot}, ${center.x}, ${center.y})`
)
return transforms.join(' ')
}
const Part = props => {
const { layout, gist, name, part} = props
const partLayout = layout.parts[name]
// Don't just assume this makes sense
if (typeof layout.parts?.[name]?.move?.x === 'undefined') return null
// Use a ref for direct DOM manipulation
const partRef = useRef(null)
const centerRef = useRef(null)
// State variable to switch between moving or rotating the part
const [rotate, setRotate] = useState(false)
// Initialize drag handler
useEffect(() => {
handleDrag(select(partRef.current))
}, [rotate, layout])
// These are kept as vars because re-rendering on drag would kill performance
// Managing the difference between re-render and direct DOM updates makes this
// whole thing a bit tricky to wrap your head around
let translateX = partLayout.move.x
let translateY = partLayout.move.y
let partRotation = partLayout.rotate || 0;
let rotation = partRotation;
let flipX = partLayout.flipX ? true : false
let flipY = partLayout.flipY ? true : false
let partRect
const center = {
x: part.topLeft.x + (part.bottomRight.x - part.topLeft.x)/2,
y: part.topLeft.y + (part.bottomRight.y - part.topLeft.y)/2,
}
const getRotation = (event) => angle(center, event.subject) - angle(center, { x:event.x, y: event.y });
const handleDrag = drag()
.subject(function(event) {
return rotate ? { x: event.x, y: event.y } : {x: translateX, y: translateY}
})
.on('start', function(event) {
partRect = partRef.current.getBoundingClientRect()
})
.on('drag', function(event) {
if (rotate) {
let newRotation = getRotation(event);
if (flipX) newRotation *= -1
if (flipY) newRotation *= -1
rotation = partRotation + newRotation
}
else {
translateX = event.x
translateY = event.y
}
const me = select(this);
me.attr('transform', generateTransform(translateX, translateY, rotation, flipX, flipY, part));
})
.on('end', function(event) {
updateLayout()
})
const resetPart = () => {
rotation = 0
flipX = 0
flipY = 0
updateLayout()
}
const toggleDragRotate = () => {
updateLayout()
setRotate(!rotate)
}
const updateLayout = () => {
props.updateLayout(name, {
move: {
x: translateX,
y: translateY,
},
rotate: rotation,
flipX,
flipY
})
}
// Method to flip (mirror) the part along the X or Y axis
const flip = axis => {
if (axis === 'x') flipX = !flipX
else flipY = !flipY
updateLayout()
}
return (
<g
{...getProps(part)}
id={`part-${name}`}
ref={props.name === 'pages' ? null : partRef}
onClick={toggleDragRotate}
>
{PartInner(props)}
{props.name !== 'pages' && <>
<text x={center.x} y={center.y} ref={centerRef} />
<rect
x={part.topLeft.x}
y={part.topLeft.y}
width={part.width}
height={part.height}
className={`layout-rect ${rotate ? 'rotate' : 'move'}`}
/>
<Buttons
transform={`translate(${part.topLeft.x + part.width/2}, ${part.topLeft.y + part.height/2})`}
flip={flip}
rotate={rotate}
setRotate={setRotate}
resetPart={resetPart}
/>
</>}
</g>
)
}
export default Part

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@ -1,7 +1,7 @@
import { useEffect } from 'react' import { useEffect } from 'react'
import { useTranslation } from 'next-i18next' import { useTranslation } from 'next-i18next'
import Settings from './settings' import Settings from './settings'
import Draft from '../draft' import Draft from '../draft/index'
import pluginBuilder from './plugin' import pluginBuilder from './plugin'
const PrintLayout = props => { const PrintLayout = props => {