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完成取色器组件

old
宇天 2021-03-09 17:33:33 +08:00
parent 3dfad42dcf
commit f0ad97b316
1 changed files with 83 additions and 17 deletions

View File

@ -1,7 +1,7 @@
<template>
<div class="color-picker">
<section class="preview alpha-bg">
<span></span>
<span tabindex="0"></span>
</section>
<div class="color-panel">
<section class="dashboard">
@ -19,13 +19,16 @@
<section class="input-box">
<input class="input" maxlength="28" />
<a class="clear">清除</a>
<a class="submit">确定</a>
<a tabindex="0" class="submit">确定</a>
</section>
</div>
</div>
</template>
<style lang="scss">
:host {
display: inline-flex;
}
.alpha-bg {
background: linear-gradient(
45deg,
@ -48,27 +51,36 @@
}
.color-picker {
position: relative;
width: 32px;
height: 32px;
width: 36px;
height: 36px;
.preview {
display: flex;
width: 100%;
height: 100%;
border: 1px solid var(--color-grey-1);
border: 2px solid var(--color-plain-2);
border-radius: 6px;
cursor: pointer;
transition: box-shadow 0.15s linear;
span {
width: 100%;
height: 100%;
border: 3px solid #fff;
border-radius: 6px;
outline: none;
}
&:focus-within {
box-shadow: 0 0 0 2px var(--color-plain-a);
}
}
.color-panel {
display: none;
position: absolute;
left: 0;
top: 32px;
top: 38px;
width: 310px;
padding: 5px;
background: #fff;
@ -227,10 +239,20 @@
height: 24px;
padding: 0 6px;
line-height: 22px;
border: 1px solid var(--color-plain-3);
border-radius: 2px;
font: inherit;
font-size: 12px;
border: 2px solid var(--color-plain-2);
border-radius: 4px;
outline: none;
color: var(--color-dark-1);
transition: box-shadow 0.15s linear;
&::placeholder {
color: var(--color-grey-1);
}
&:focus {
box-shadow: 0 0 0 2px var(--color-plain-a);
}
}
.clear,
@ -241,15 +263,25 @@
}
.clear {
color: var(--color-teal-1);
color: var(--color-grey-3);
}
.submit {
padding: 2px 6px;
border-radius: 2px;
color: var(--color-plain-1);
background: var(--color-teal-2);
outline: none;
transition: box-shadow 0.15s linear, background 0.15s linear;
&:hover {
background: var(--color-teal-1);
}
&:focus {
box-shadow: 0 0 0 2px var(--color-teal-a);
}
}
}
}
}
@ -275,6 +307,7 @@ export default class Color {
var elem = this.root.children[1]
this.__PREVIEW__ = elem.children[0].children[0]
this.__PANEL__ = elem.children[1]
this.__SCENE__ = elem.querySelector('.scene')
this.__SCENE_THUMB__ = this.__SCENE__.querySelector('.thumb')
this.__HUE__ = elem.querySelector('.hue')
@ -283,6 +316,8 @@ export default class Color {
this.__ALPHA_BAR__ = elem.querySelector('.alpha-box .bar')
this.__ALPHA_THUMB__ = elem.querySelector('.alpha-thumb')
this.__INPUT__ = elem.querySelector('.input')
this.__CLEAR__ = elem.querySelector('.clear')
this.__PICKED__ = elem.querySelector('.submit')
}
_updateView() {
@ -308,8 +343,11 @@ export default class Color {
this.__SCENE__.style.backgroundColor = scene
this.__PREVIEW__.style.backgroundColor = color
this.__ALPHA_BAR__.style.background = `linear-gradient(to right, transparent, ${alphaColor})`
this.__ALPHA__.value = rgba.a
this.__ALPHA_THUMB__.style.left = rgba.a + '%'
this.__INPUT__.value = color
this.props.value = color
}
_moveSceneThumb(x, y) {
@ -341,7 +379,7 @@ export default class Color {
}
get value() {
return this.__INPUT__.value
return this.props.value
}
set value(val) {
@ -377,10 +415,6 @@ export default class Color {
mounted() {
var handleMove
this.handleChange = $.bind(this.__INPUT__, 'change', ev => {
this.value = this.__INPUT__.value
})
this.handleDown = $.bind(this.__SCENE__, 'mousedown', ev => {
ev.preventDefault()
@ -451,19 +485,51 @@ export default class Color {
var color = `rgba(${r}, ${g}, ${b}, ${a / 100})`
this.state.rgba.a = a
this.__ALPHA_THUMB__.style.left = a + '%'
this.__PREVIEW__.style.backgroundColor = color
this.__INPUT__.value = color
})
this._clickFn = $.bind(this.__PREVIEW__, 'click', ev => {
this.__PANEL__.style.display = 'block'
this._tmpval = this.props.value
})
this._clearFn = $.bind(this.__CLEAR__, 'click', ev => {
this.__PANEL__.style.display = ''
this.__INPUT__.value = ''
this.__PREVIEW__.style = ''
this.props.value = this.__INPUT__.value
delete this._tmpval
this.dispatchEvent(new CustomEvent('input'))
})
this._pickedFn = $.bind(this.__PICKED__, 'click', ev => {
this.__PANEL__.style.display = ''
this.__PREVIEW__.style.backgroundColor = this.__INPUT__.value
this.props.value = this.__INPUT__.value
delete this._tmpval
this.dispatchEvent(new CustomEvent('input'))
})
// 点击外部区别时,还原之前的颜色值
this._outsideFn = $.outside(this.__PANEL__, ev => {
if (this.hasOwnProperty('_tmpval')) {
this.__PANEL__.style.display = ''
this.value = this._tmpval
delete this._tmpval
}
})
}
unmount() {
$.unbind(this.__SCENE__, 'mousedown', this.handleDown)
$.unbind(document, 'mousedown', this.handleUp)
$.unbind(this.__INPUT__, 'change', this.handleChange)
$.unbind(this.__HUE__, 'input', this.handleInput1)
$.unbind(this.__ALPHA__, 'input', this.handleInput2)
$.unbind(this.__PREVIEW__, 'input', this._clickFn)
$.unbind(this.__CLEAR__, 'input', this._clearFn)
$.unbind(this.__PICKED__, 'input', this._pickedFn)
$.clearOutside(this._outsideFn)
delete this.handleDown
delete this.handleUp