114 lines
3.3 KiB
Vue
114 lines
3.3 KiB
Vue
<template>
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<div class="component-resize-line" :class="{resizing}" @mousedown.left.stop.prevent="resizeDown"></div>
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</template>
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<style lang="scss" scoped>
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.component-resize-line {
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cursor: col-resize;
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@media (max-width: 768px) {
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display: none;
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}
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&.resizing {
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&:after {
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content: '';
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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z-index: 99999;
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cursor: col-resize;
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}
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}
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}
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</style>
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<script>
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export default {
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name: 'ResizeLine',
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props: {
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value: {
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},
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minWidth: {
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type: Number,
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default: 100,
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},
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maxWidth: {
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type: Number,
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default: 600,
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},
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reverse: {
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type: Boolean,
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default: false
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}
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},
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data() {
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return {
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resizing: false,
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mouseX: 0,
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mouseY: 0,
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offset: {},
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tmpWidth: undefined,
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}
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},
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mounted() {
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document.documentElement.addEventListener('mousemove', this.handleMove, true);
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document.documentElement.addEventListener('mouseup', this.handleUp, true);
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},
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methods: {
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resizeDown(e) {
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this.mouseX = e.pageX || e.clientX + document.documentElement.scrollLeft;
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this.mouseY = e.pageY || e.clientY + document.documentElement.scrollTop;
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this.offset = {
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left: e.target.offsetLeft,
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top: e.target.offsetTop,
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};
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this.resizing = true;
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if (typeof this.value === 'number') {
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this.tmpWidth = this.value;
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}
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this.$emit('on-change', {
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event: 'down',
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});
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},
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handleMove(e) {
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if (!this.resizing) {
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return;
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}
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let diffX = (e.pageX || e.clientX + document.documentElement.scrollLeft) - this.mouseX;
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let diffY = (e.pageY || e.clientY + document.documentElement.scrollTop) - this.mouseY;
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if (typeof this.tmpWidth === 'number') {
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let value = this.reverse ? (this.tmpWidth - diffX) : (this.tmpWidth + diffX);
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if (this.minWidth > 0) {
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value = Math.max(this.minWidth, value);
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}
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if (this.maxWidth > 0) {
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value = Math.min(this.maxWidth, value);
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}
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this.$emit("input", value);
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}
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this.$emit('on-change', {
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event: 'move',
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diff: {
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x: diffX,
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y: diffY,
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},
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offset: this.offset,
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});
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},
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handleUp() {
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this.resizing = false;
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this.tmpWidth = undefined;
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this.$emit('on-change', {
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event: 'up',
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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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