优化color组件

master
yutent 2023-11-24 18:38:06 +08:00
parent 0e66261757
commit f119d77c4f
2 changed files with 179 additions and 180 deletions

View File

@ -13,9 +13,14 @@ import {
outsideClick,
clearOutsideClick,
nextTick,
offset
offset,
styleMap
} from 'wkit'
const EV_OPTION = { once: true }
const DOC = document
const ROOT = document.documentElement
// H: 色相, S: 饱和度, B/V: 亮度
export function hsb2rgb(hsb) {
var h = hsb.h
@ -133,29 +138,13 @@ class Color extends Component {
value: {
type: String,
default: '',
attribute: false,
observer(val) {
if (!this.panelShow) {
if (this.#show) {
this.#calc(val)
}
}
},
disabled: false,
readonly: false
}
// 临时的value, 组件内的操作, 修改的是这个值, 避免直接修改value触发太多的计算
#value = ''
#x = 0 // 场景触点的X坐标
#y = 0 // 场景触点的Y坐标
#ht = 0 // 颜色池的触点坐标
#at = 100 // 透明度条的触点坐标
#sceneBg = '#ff0000'
#alphaBg = '#ff0000'
cache = {
hsb: { h: 0, s: 100, b: 100 },
rgba: { r: 255, g: 0, b: 0, a: 100 }
disabled: false
}
static styles = [
@ -163,10 +152,10 @@ class Color extends Component {
:host {
display: inline-flex;
}
.color-picker {
.container {
position: relative;
width: 36px;
height: 36px;
width: 32px;
height: 32px;
}
.alpha-bg {
background: linear-gradient(
@ -195,8 +184,8 @@ class Color extends Component {
display: flex;
width: 100%;
height: 100%;
border: 2px solid var(--color-plain-2);
border-radius: 6px;
border: 1px solid var(--color-grey-2);
border-radius: 3px;
cursor: pointer;
transition: box-shadow 0.15s linear;
@ -204,7 +193,8 @@ class Color extends Component {
width: 100%;
height: 100%;
border: 3px solid #fff;
border-radius: 6px;
border-radius: 3px;
background: var(--value);
outline: none;
}
@ -216,8 +206,9 @@ class Color extends Component {
// .color-panel
css`
.color-panel {
display: none;
display: var(--show, none);
position: absolute;
z-index: 1;
left: 0;
top: 38px;
width: 310px;
@ -234,27 +225,14 @@ class Color extends Component {
position: relative;
width: 280px;
height: 180px;
background: #f00;
&::before,
&::after {
position: absolute;
left: 0;
top: 0;
width: 100%;
height: 100%;
content: '';
}
&::before {
background: linear-gradient(to right, #fff, transparent);
}
&::after {
background: linear-gradient(to bottom, transparent, #000);
}
background: linear-gradient(180deg, transparent, #000),
linear-gradient(90deg, #fff, transparent), var(--scene);
.thumb {
position: absolute;
z-index: 1;
left: var(--x);
top: var(--y);
width: 0;
height: 0;
@ -262,9 +240,9 @@ class Color extends Component {
display: block;
width: 10px;
height: 10px;
border: 1px solid #fff;
border-radius: 50%;
background: rgba(32, 32, 32, 0.3);
box-shadow: 0 0 0 1px #fff;
transform: translate(-5px, -5px);
content: '';
}
@ -290,7 +268,7 @@ class Color extends Component {
.thumb {
position: absolute;
left: 0;
top: 0;
top: var(--ht);
width: 12px;
height: 0;
@ -305,14 +283,6 @@ class Color extends Component {
content: '';
}
}
.hue {
position: relative;
display: block;
width: 12px;
height: 180px;
appearance: slider-vertical;
opacity: 0;
}
}
}
.alpha-box {
@ -328,12 +298,12 @@ class Color extends Component {
top: 0;
width: 100%;
height: 12px;
background: linear-gradient(to right, transparent, #f00);
background: linear-gradient(90deg, transparent, var(--alpha));
}
.thumb {
position: absolute;
left: 100%;
left: var(--at);
top: 0;
width: 0;
height: 12px;
@ -415,9 +385,39 @@ class Color extends Component {
}
}
}
`,
css`
:host([disabled]) {
opacity: 0.6;
.preview {
cursor: not-allowed;
&:focus-within {
box-shadow: unset;
}
}
}
`
]
#show = false
// 临时的value, 组件内的操作, 修改的是这个值, 避免直接修改value触发太多的计算
#value = ''
#x = 0 // 场景触点的X坐标
#y = 0 // 场景触点的Y坐标
#ht = 0 // 颜色池的触点坐标
#at = 100 // 透明度条的触点坐标
#sceneBg = '#ff0000'
#alphaBg = '#ff0000'
#cache = {
hsb: { h: 0, s: 100, b: 100 },
rgba: { r: 255, g: 0, b: 0, a: 100 }
}
#calc(val) {
var isHex
var rgb
@ -431,53 +431,119 @@ class Color extends Component {
isHex = /^#[0-9a-f]{3,6}$/.test(val)
if (isHex) {
Object.assign(this.cache.rgba, hex2rgb(val), { a: 100 })
Object.assign(this.#cache.rgba, hex2rgb(val), { a: 100 })
} else {
var res = val.match(/rgba?\((\d+),\s*?(\d+),\s*?(\d+)[,\s]*?([\d\.]+)?\)/)
if (res) {
this.cache.rgba = { r: +res[1], g: +res[2], b: +res[3], a: 100 }
this.#cache.rgba = { r: +res[1], g: +res[2], b: +res[3], a: 100 }
if (res[4] !== undefined) {
this.cache.rgba.a = ~~(res[4] * 100)
this.#cache.rgba.a = ~~(res[4] * 100)
}
} else {
return
}
}
this.cache.hsb = rgb2hsb(this.cache.rgba)
this.#cache.hsb = rgb2hsb(this.#cache.rgba)
}
toggleColorPanel() {
this.$refs.panel.style.display = 'block'
this.panelShow = true
if (this.disabled) {
return
}
this.#show = true
this.#updateView()
}
// 透明度变化
alphaChange(ev) {
var a = ev.target.value
var { r, g, b } = this.cache.rgba
#changeAlpha(ev) {
let a = +ev.target.value
let { r, g, b } = this.#cache.rgba
this.cache.rgba.a = a
this.#cache.rgba.a = a
this.#updateView()
}
// 色彩池变化
hueChange(ev) {
var h = 360 - ev.target.value
var { s, b } = this.cache.hsb
var rgba = this.cache.rgba
var hsb = { h, s, b }
#changeHue(h) {
h = h < 0 ? 0 : h > 360 ? 360 : h
let { s, b } = this.#cache.hsb
let rgba = this.#cache.rgba
let hsb = { h, s, b }
Object.assign(rgba, hsb2rgb(hsb))
this.cache.hsb = hsb
this.cache.rgba = rgba
this.#cache.hsb = hsb
this.#cache.rgba = rgba
this.#updateView()
}
//
#changeColor(x, y) {
let { hsb, rgba } = this.#cache
hsb.s = ~~((100 * x) / 280)
hsb.b = ~~((100 * (180 - y)) / 180)
Object.assign(rgba, hsb2rgb(hsb))
this.#cache.hsb = hsb
this.#cache.rgba = rgba
this.#updateView()
}
#sceneMousedown(ev) {
let { x, y } = ev
let { left, top } = offset(ev.currentTarget)
let { scrollLeft, scrollTop } = ROOT
let _x = left - scrollLeft
let _y = top - scrollTop
this.#changeColor(x - _x, y - _y)
let callback = bind(DOC, 'mousemove', ({ x, y }) => {
x -= _x
y -= _y
x = x < 0 ? 0 : x > 280 ? 280 : x
y = y < 0 ? 0 : y > 180 ? 180 : y
this.#changeColor(x, y)
})
bind(DOC, 'mouseup', _ => unbind(DOC, 'mousemove', callback), EV_OPTION)
}
#poolMousedown(ev) {
let { y } = ev
let { top } = offset(ev.currentTarget)
let { scrollTop } = ROOT
let { clientHeight: h } = ev.currentTarget
let _y = top - scrollTop
y -= _y
this.#changeHue(~~((y / h) * 360))
let callback = bind(DOC, 'mousemove', ({ y }) => {
y -= _y
this.#changeHue(~~((y / h) * 360))
})
bind(DOC, 'mouseup', _ => unbind(DOC, 'mousemove', callback), EV_OPTION)
}
#close(clear) {
if (this.#show) {
this.#show = false
this.#calc(this.value)
this.#updateView()
}
}
#submit() {
this.value = this.#value
this.#close()
this.$emit('change', { data: this.#value })
}
#updateView() {
var { hsb, rgba } = this.cache
var { hsb, rgba } = this.#cache
var sceneBg, color, alphaBg
var x, y
@ -503,135 +569,68 @@ class Color extends Component {
this.$requestUpdate()
}
#changeColor(x, y) {
let { hsb, rgba } = this.cache
hsb.s = ~~((100 * x) / 280)
hsb.b = ~~((100 * (180 - y)) / 180)
Object.assign(rgba, hsb2rgb(hsb))
this.cache.hsb = hsb
this.cache.rgba = rgba
this.#updateView()
}
closePanel() {
if (this.hasOwnProperty('panelShow')) {
this.$refs.panel.style.display = ''
this.#calc(this.value)
this.#updateView()
delete this.panelShow
}
}
submit() {
this.$refs.panel.style.display = ''
this.value = this.#value
this.$emit('change', { data: this.#value })
delete this.panelShow
}
mounted() {
var handleMove
// 更新一次视图
nextTick(_ => this.#updateView())
bind(this.$refs.scene, 'mousedown', ev => {
ev.preventDefault()
var { pageX, pageY } = ev
var { left, top } = offset(this.$refs.scene)
var x = pageX - left
var y = pageY - top
this.#changeColor(x, y)
handleMove = bind(document, 'mousemove', ev => {
ev.preventDefault()
var { pageX, pageY } = ev
var x = pageX - left
var y = pageY - top
var rgb
x = x < 0 ? 0 : x > 280 ? 280 : x
y = y < 0 ? 0 : y > 180 ? 180 : y
this.#changeColor(x, y)
})
})
this.handleUp = bind(document, 'mouseup', ev => {
ev.preventDefault()
unbind(document, 'mousemove', handleMove)
})
this.#updateView()
// 点击外部区别时,还原之前的颜色值
this._outsideFn = outsideClick(this.$refs.panel, ev => {
this.closePanel()
this._outsideFn = outsideClick(this, ev => {
this.#close()
})
}
unmounted() {
clearOutsideClick(this._outsideFn)
unbind(document, 'mouseup', this.handleUp)
}
render() {
let styles = styleMap({
'--show': this.#show ? 'block' : 'none',
'--value': this.#value,
'--scene': this.#sceneBg,
'--x': this.#x + 'px',
'--y': this.#y + 'px',
'--ht': this.#ht + 'px',
'--at': this.#at + '%',
'--alpha': this.#alphaBg
})
return html`
<div class="color-picker">
<main class="container" style=${styles}>
<section class="preview alpha-bg" @click=${this.toggleColorPanel}>
<span style="background-color:${this.#value}" tabindex="0"></span>
<span tabindex=${this.disabled ? -1 : 0}></span>
</section>
<div class="color-panel" ref="panel">
<div class="color-panel">
<section class="dashboard">
<div
class="scene"
style="background-color:${this.#sceneBg}"
ref="scene"
>
<span
class="thumb"
style="left: ${this.#x}px; top:${this.#y}px"
></span>
<div class="scene" @mousedown.prevent=${this.#sceneMousedown}>
<i class="thumb"></i>
</div>
<div class="pool">
<span class="thumb hue-thumb" style="top:${this.#ht}px"></span>
<input
class="hue"
max="360"
min="0"
step="1"
type="range"
@input=${this.hueChange}
/>
<div class="pool" @mousedown.prevent=${this.#poolMousedown}>
<i class="thumb"></i>
</div>
</section>
<section class="alpha-box alpha-bg">
<div
class="bar"
style="background:linear-gradient(to right, transparent, ${this
.#alphaBg})"
></div>
<span class="thumb alpha-thumb" style="left:${this.#at}%"></span>
<div class="bar"></div>
<i class="thumb"></i>
<input
class="alpha"
max="100"
min="0"
step="1"
type="range"
@input=${this.alphaChange}
@input=${this.#changeAlpha}
/>
</section>
<section class="input-box">
<input class="input" :value=${this.#value} maxlength="28" />
<a class="clear" @click=${this.closePanel}>清除</a>
<a tabindex="0" class="submit" @click=${this.submit}>确定</a>
<input class="input" :value=${this.#value} maxlength="25" />
<a class="clear" @click=${_ => this.#close(true)}>清除</a>
<a tabindex="0" class="submit" @click=${this.#submit}>确定</a>
</section>
</div>
</div>
</main>
`
}
}

View File

@ -42,14 +42,6 @@ class Slider extends Component {
lazy: 'num!0'
}
#len = 100
#stops = 10 // 断点数, 最大只显示10个断点
#point = 10 // 每个断点的百分比
#value = 0 // 内部的值, 固定使用 0-100范围的值
#decimal = 0 //小数位
#stamp = 0
static styles = [
css`
:host {
@ -208,6 +200,14 @@ class Slider extends Component {
`
]
#len = 100
#stops = 10 // 断点数, 最大只显示10个断点
#point = 10 // 每个断点的百分比
#value = 0 // 内部的值, 固定使用 0-100范围的值
#decimal = 0 //小数位
#stamp = 0
#updateRange() {
let { min, max, step } = this
if (min >= max) {