2022-12-16 22:18:24 +08:00

327 lines
7.5 KiB
Vue

<template>
<div class="go-sketch-rule">
<sketch-rule
v-if="sketchRuleReDraw"
:thick="thick"
:scale="scale"
:width="canvasBox().width"
:height="canvasBox().height"
:startX="startX"
:startY="startY"
:lines="lines"
:palette="paletteStyle"
>
</sketch-rule>
<div ref="$app" class="edit-screens" @scroll="handleScroll">
<div ref="$container" class="edit-screen-container" :style="{ width: width * 2 + 'px' }">
<div
ref="refSketchRuleBox"
class="canvas"
@mousedown="dragCanvas"
:style="{ marginLeft: '-' + (canvasBox().width / 2 - 25) + 'px' }"
>
<div :style="{ pointerEvents: isPressSpace ? 'none' : 'auto' }">
<slot></slot>
</div>
</div>
</div>
</div>
<!-- 修复右下角白点用的 -->
<div v-if="designStore.getDarkTheme" class="fix-edit-screens-block"></div>
</div>
</template>
<script setup lang="ts">
import { ref, reactive, onMounted, toRefs, watch, onUnmounted, computed } from 'vue'
import { listen } from 'dom-helpers'
import { useDesignStore } from '@/store/modules/designStore/designStore'
import { useChartEditStore } from '@/store/modules/chartEditStore/chartEditStore'
const chartEditStore = useChartEditStore()
const designStore = useDesignStore()
const thick = 20
let prevMoveXVallue = [0, 0]
let prevMoveYVallue = [0, 0]
const $app = ref()
const sketchRuleReDraw = ref(true)
const refSketchRuleBox = ref()
const $container = ref()
const isPressSpace = ref(false)
const cursorStyle = ref('auto')
const { width, height } = toRefs(chartEditStore.getEditCanvasConfig)
const startX = ref(0)
const startY = ref(0)
const lines = reactive({ h: [], v: [] })
const scale = computed(() => {
return chartEditStore.getEditCanvas.scale
})
// 滚动条拖动的高度
const containerWidth = computed(() => {
return `${height.value * 2}px`
})
// 主题
const paletteStyle = computed(() => {
const isDarkTheme = designStore.getDarkTheme
return isDarkTheme
? {
bgColor: '#18181c',
longfgColor: '#4d4d4d',
shortfgColor: '#4d4d4d',
fontColor: '#4d4d4d',
shadowColor: '#18181c',
borderColor: '#18181c',
cornerActiveColor: '#18181c'
}
: {}
})
// 颜色
const themeColor = computed(() => {
return designStore.getAppTheme
})
const handleWheel = (e: any) => {
e.preventDefault()
if (e.ctrlKey || e.metaKey) {
let resScale = scale.value
// 放大(200%)
if (e.wheelDelta >= 0 && scale.value < 2) {
resScale = scale.value + 0.05
chartEditStore.setScale(resScale)
return
}
// 缩小(10%)
if (e.wheelDelta < 0 && scale.value > 0.1) {
resScale = scale.value - 0.05
chartEditStore.setScale(resScale)
}
}
}
const handleScroll = () => {
if (!$app.value) return
const screensRect = $app.value.getBoundingClientRect()
const canvasRect = refSketchRuleBox.value.getBoundingClientRect()
// 标尺开始的刻度
startX.value = (screensRect.left + thick - canvasRect.left) / scale.value
startY.value = (screensRect.top + thick - canvasRect.top) / scale.value
}
const dragCanvas = (e: any) => {
if (!window.$KeyboardActive?.space) return
// @ts-ignore
document.activeElement?.blur()
e.preventDefault()
e.stopPropagation()
const startX = e.pageX
const startY = e.pageY
const listenMousemove = listen(window, 'mousemove', (e: any) => {
const nx = e.pageX - startX
const ny = e.pageY - startY
const [prevMoveX1, prevMoveX2] = prevMoveXVallue
const [prevMoveY1, prevMoveY2] = prevMoveYVallue
prevMoveXVallue = [prevMoveX2, nx]
prevMoveYVallue = [prevMoveY2, ny]
$app.value.scrollLeft -=
prevMoveX2 > prevMoveX1 ? Math.abs(prevMoveX2 - prevMoveX1) : -Math.abs(prevMoveX2 - prevMoveX1)
$app.value.scrollTop -=
prevMoveY2 > prevMoveY1 ? Math.abs(prevMoveY2 - prevMoveY1) : -Math.abs(prevMoveY2 - prevMoveY1)
})
const listenMouseup = listen(window, 'mouseup', () => {
listenMousemove()
listenMouseup()
prevMoveXVallue = [0, 0]
prevMoveYVallue = [0, 0]
})
}
const canvasBox = () => {
const layoutDom = document.getElementById('go-chart-edit-layout')
if (layoutDom) {
return {
height: layoutDom.clientHeight - 40 - 44,
width: layoutDom.clientWidth
}
}
return {
width: width.value,
height: height.value
}
}
// 在位置不动的情况下重绘标尺
const reDraw = () => {
sketchRuleReDraw.value = false
setTimeout(() => {
sketchRuleReDraw.value = true
}, 10)
}
watch(
() => designStore.getDarkTheme,
() => {
reDraw()
}
)
// 处理标尺重制大小
watch(
() => scale.value,
(newValue, oldValue) => {
if (oldValue !== newValue) {
handleScroll()
chartEditStore.setScale(newValue)
}
}
)
watch(
() => isPressSpace.value,
newValue => {
cursorStyle.value = newValue ? 'grab' : 'auto'
}
)
onMounted(() => {
if ($app.value) {
$app.value.addEventListener('wheel', handleWheel, { passive: false })
// 滚动居中
$app.value.scrollLeft = $container.value.getBoundingClientRect().width / 2 - canvasBox().width / 2
}
})
onUnmounted(() => {
if ($app.value) {
$app.value.removeEventListener('wheel', handleWheel)
}
})
window.onKeySpacePressHold = (isHold: boolean) => {
isPressSpace.value = isHold
}
</script>
<style>
/* 使用 SCSS 会报错,直接使用最基础的 CSS 进行修改,
此库有计划 Vue3 版本,但是开发的时候还没发布 */
#mb-ruler {
top: 0;
left: 0;
}
/* 适配底部的工具栏不遮盖 */
#mb-ruler .v-container {
height: calc(100% - 65px) !important;
}
/* 横线 */
#mb-ruler .v-container .lines .line {
/* 最大缩放 200% */
width: 200vw !important;
border-top: 1px dashed v-bind('themeColor') !important;
}
#mb-ruler .v-container .indicator {
border-bottom: 1px dashed v-bind('themeColor') !important;
}
/* 竖线 */
#mb-ruler .h-container .lines .line {
/* 最大缩放 200% */
height: 200vh !important;
border-left: 1px dashed v-bind('themeColor') !important;
}
#mb-ruler .h-container .indicator {
border-left: 1px dashed v-bind('themeColor') !important;
}
/* 坐标数值背景颜色 */
#mb-ruler .indicator .value {
background-color: rgba(0, 0, 0, 0);
}
/* 删除按钮 */
#mb-ruler .line .del {
padding: 0;
color: v-bind('themeColor');
font-size: 26px;
font-weight: bolder;
}
#mb-ruler .corner {
border-width: 0 !important;
}
</style>
<style lang="scss" scoped>
@include go('sketch-rule') {
position: relative;
overflow: hidden;
width: 100%;
height: 100%;
.edit-screens {
position: absolute;
width: 100%;
height: 100%;
overflow: auto;
user-select: none;
padding-bottom: 0px;
/* firefox */
scrollbar-color: rgba(144, 146, 152, 0.3) transparent;
scrollbar-width: thin;
/* chrome */
&::-webkit-scrollbar,
&::-webkit-scrollbar-track-piece {
background-color: transparent;
}
&::-webkit-scrollbar {
width: 7px;
}
&::-webkit-scrollbar-thumb {
border-radius: 5px;
background-color: rgba(144, 146, 152, 0.3);
}
}
.fix-edit-screens-block {
position: absolute;
bottom: 0;
right: 0;
width: 10px;
height: 10px;
background-color: $--color-dark-bg-1;
}
.edit-screen-container {
position: absolute;
height: v-bind('containerWidth');
}
.canvas {
position: absolute;
top: 80px;
left: 50%;
transform-origin: 50% 0;
&:hover {
cursor: v-bind('cursorStyle');
}
&:active {
cursor: crosshair;
}
}
}
</style>