112 lines
2.7 KiB
Vue
112 lines
2.7 KiB
Vue
<template>
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<div ref :style="{ cursor, userSelect}" class="vue-splitter-container clearfix" @mouseup="onMouseUp" @mousemove="onMouseMove">
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<pane class="splitter-pane splitter-paneL" :split="split" :style="{ [type]: percent+'%'}">
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<slot name="paneL"></slot>
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</pane>
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<resizer :style="{ [resizeType]: percent+'%'}" :split="split" :onMouseDown="onMouseDown" @click="onClick"></resizer>
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<pane class="splitter-pane splitter-paneR" :split="split" :style="{ [type]: 100-percent+'%'}">
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<slot name="paneR"></slot>
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</pane>
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</div>
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</template>
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<script>
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import Resizer from './Resizer'
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import Pane from './Pane'
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export default {
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name: 'splitPane',
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components: { Resizer, Pane },
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props: {
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margin: {
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type: Number,
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default: 10
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},
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split: {
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validator(value) {
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return ['vertical', 'horizontal'].indexOf(value) >= 0
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},
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required: true
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}
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},
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data() {
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return {
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active: false,
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hasMoved: false,
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height: null,
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percent: 50,
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type: this.split === 'vertical' ? 'width' : 'height',
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resizeType: this.split === 'vertical' ? 'left' : 'top'
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}
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},
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computed: {
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userSelect() {
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return this.active ? 'none' : ''
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},
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cursor() {
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return this.active ? 'col-resize' : ''
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}
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},
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methods: {
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onClick() {
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if (!this.hasMoved) {
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this.percent = 50
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this.$emit('resize')
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}
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},
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onMouseDown() {
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this.active = true
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this.hasMoved = false
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},
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onMouseUp() {
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this.active = false
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},
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onMouseMove(e) {
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if (e.buttons === 0 || e.which === 0) {
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this.active = false
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}
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if (this.active) {
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let offset = 0
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let target = e.currentTarget
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if (this.split === 'vertical') {
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while (target) {
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offset += target.offsetLeft
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target = target.offsetParent
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}
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} else {
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while (target) {
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offset += target.offsetTop
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target = target.offsetParent
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}
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}
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const currentPage = this.split === 'vertical' ? e.pageX : e.pageY
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const targetOffset = this.split === 'vertical' ? e.currentTarget.offsetWidth : e.currentTarget.offsetHeight
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const percent = Math.floor(((currentPage - offset) / targetOffset) * 10000) / 100
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if (percent > this.margin && percent < 100 - this.margin) {
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this.percent = percent
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}
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this.$emit('resize')
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this.hasMoved = true
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}
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}
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}
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}
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</script>
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<style scoped>
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.clearfix:after {
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visibility: hidden;
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display: block;
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font-size: 0;
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content: " ";
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clear: both;
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height: 0;
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}
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.vue-splitter-container {
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height: 100%;
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/*display: flex;*/
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position: relative;
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}
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</style>
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