356 lines
9.1 KiB
Vue
356 lines
9.1 KiB
Vue
<template>
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<div class="layui-slider-vertical" v-if="vertical">
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<div
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ref="rangetracker2"
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@mousedown.stop="handle_mousedown"
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class="layui-slider-vrange"
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v-if="range"
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>
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<div
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:style="{ bottom: verticalRangeValue[1] + '%' }"
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class="layui-slider-vertical-btn"
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></div>
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<div
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:style="{ bottom: verticalRangeValue[0] + '%' }"
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class="layui-slider-vertical-btn"
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></div>
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<div class="layui-slider-vertical-line"></div>
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<div
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:style="{
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height: verticalRangeValue[1] - verticalRangeValue[0] + '%',
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bottom: verticalRangeValue[0] + '%',
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}"
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class="layui-slider-vertical-rate"
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></div>
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</div>
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<div
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ref="verticaltracker"
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@mousedown.stop="handle_mousedown"
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class="layui-slider-vertical-track"
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:class="[props.disabled ? 'layui-slider-disabled' : '']"
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v-else
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>
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<lay-tooltip :content="modelValue + ''">
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<div
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:style="{ bottom: modelValue + '%' }"
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class="layui-slider-vertical-btn"
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:class="[props.disabled ? 'layui-slider-disabled' : '']"
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></div>
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</lay-tooltip>
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<div
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:style="{ height: modelValue + '%' }"
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class="layui-slider-vertical-rate"
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:class="[props.disabled ? 'layui-slider-disabled-rate' : '']"
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></div>
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<div class="layui-slider-vertical-line"></div>
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</div>
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</div>
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<div class="layui-slider-v" v-else>
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<div
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@mousedown.stop="handle_mousedown"
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ref="rangetracker1"
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class="layui-slider-srange"
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v-if="range"
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>
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<lay-tooltip :content="rangeValue[0] + ''">
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<div
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:style="{ left: rangeValue[0] + '%' }"
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class="layui-slider-btn-v"
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></div>
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</lay-tooltip>
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<lay-tooltip :content="rangeValue[1] + ''">
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<div
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:style="{ left: rangeValue[1] + '%' }"
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class="layui-slider-btn-v"
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></div>
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</lay-tooltip>
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<div class="layui-slider-line-v"></div>
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<div
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:style="{
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width: rangeValue[1] - rangeValue[0] + '%',
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left: rangeValue[0] + '%',
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}"
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class="layui-slider-rate-v"
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></div>
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</div>
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<div
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ref="standardtracker"
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@mousedown.stop="handle_mousedown"
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class="layui-slider-track-v"
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:class="[props.disabled ? 'layui-slider-disabled' : '']"
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v-else
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>
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<lay-tooltip :visible="true" :content="'' + modelValue">
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<div
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:style="{ left: modelValue + '%' }"
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class="layui-slider-btn-v"
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:class="[props.disabled ? 'layui-slider-disabled' : '']"
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></div>
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</lay-tooltip>
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<div
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:style="{ width: modelValue + '%' }"
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class="layui-slider-rate-v"
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:class="[props.disabled ? 'layui-slider-disabled-rate' : '']"
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></div>
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<div class="layui-slider-line-v"></div>
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</div>
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</div>
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</template>
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<script setup lang="ts">
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import { Ref, ref, toRef } from "vue";
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import { on, off } from "evtd";
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import "./index.less";
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const emit = defineEmits(["update:modelValue"]);
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interface LaySliderProps {
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vertical?: boolean;
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modelValue?: number | Array<number>;
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min?: number;
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max?: number;
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step?: number;
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disabled?: boolean;
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range?: boolean;
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verticalrange?: number[];
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standardrange?: number[];
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}
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const props = withDefaults(defineProps<LaySliderProps>(), {
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vertical: false,
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modelValue: 0,
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disabled: false,
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step: 0,
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});
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let rangeValue: Ref<number[]> | any = toRef(props, "standardrange");
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let verticalRangeValue: Ref<number[]> | any = toRef(props, "verticalrange");
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const rangetracker1 = ref<HTMLElement | null>(null);
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const rangetracker2 = ref<HTMLElement | null>(null);
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function throttle(func: Function) {
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let timer: any = null;
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return function (args: any) {
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if (!timer) {
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timer = setTimeout(() => {
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timer = null;
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func(args);
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}, 20);
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}
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};
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}
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const moveAction = throttle(handle_mousemove);
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// eslint-disable-next-line @typescript-eslint/no-unused-vars
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function handle_mousedown() {
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on("selectstart", window, handle_select, { once: true });
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on("mouseup", window, handle_mouseup);
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on("mousemove", window, moveAction);
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}
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function handle_mousemove(e: MouseEvent) {
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if (props.disabled === true) {
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return false;
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}
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if (props.vertical === false && props.range === false) {
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standardMove(e);
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}
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if (props.vertical === true && props.range === false) {
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verticalMove(e);
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}
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if (props.vertical === false && props.range === true) {
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starndardRangeMove(e);
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}
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if (props.vertical === true && props.range === true) {
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verticalRangeMove(e);
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}
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}
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let currbtn = -1;
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function handle_mouseup() {
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// off('selectstart', document, handle_select)
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off("mouseup", window, handle_mouseup);
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off("mousemove", window, moveAction);
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currbtn = -1;
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}
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function handle_select(e: Event): void {
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e.preventDefault();
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}
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const standardtracker = ref<HTMLElement | null>(null);
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let standard_style: Ref<number> = ref<number>(props.modelValue as number);
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const standardMove = (e: MouseEvent) => {
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if (!standardtracker.value) {
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return;
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}
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let tracker_rect = standardtracker.value.getBoundingClientRect();
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let origin_left = tracker_rect.left;
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let point_left = e.clientX;
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let distance = point_left - origin_left;
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if (distance < 0) {
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standard_style.value = 0;
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} else {
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let rate = (distance / tracker_rect.width) * 100;
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calcWithStep(rate, standard_style);
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if (standard_style.value > 100) {
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standard_style.value = 100;
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}
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}
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emit("update:modelValue", standard_style.value);
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};
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const verticaltracker = ref<HTMLElement | null>(null);
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let vertical_style: Ref<number> = ref<number>(props.modelValue as number);
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const verticalMove = (e: MouseEvent) => {
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if (!verticaltracker.value) {
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return;
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}
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let tracker_rect = verticaltracker.value.getBoundingClientRect();
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let origin_bottom = tracker_rect.bottom;
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let point_bottom = e.clientY;
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let distance = (point_bottom - origin_bottom) * -1;
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if (distance < 0) {
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vertical_style.value = 0;
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} else {
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let rate = (distance / tracker_rect.height) * 100;
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calcWithStep(rate, vertical_style);
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if (vertical_style.value > 100) {
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vertical_style.value = 100;
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}
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}
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emit("update:modelValue", vertical_style.value);
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};
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const starndardRangeMove = (e: MouseEvent) => {
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if (!rangetracker1.value) {
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return;
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}
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let tracker_rect = rangetracker1.value.getBoundingClientRect();
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let origin_left = tracker_rect.left;
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let point_left = e.clientX;
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let distance = point_left - origin_left;
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if (distance < 0) {
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rangeValue.value[0] = 0;
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} else {
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let rate = (distance / tracker_rect.width) * 100;
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let idx = -1;
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if (currbtn === -1) {
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currbtn = moveNeighbors(Math.floor(rate), rangeValue);
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idx = currbtn;
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} else {
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idx = currbtn;
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}
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calcWithStep(rate, rangeValue, idx);
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if (rangeValue.value[1] > 100) {
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rangeValue.value[1] = 100;
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}
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if (rangeValue.value[0] < 0) {
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rangeValue.value[0] = 0;
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}
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}
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emit("update:modelValue", rangeValue.value);
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};
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const verticalRangeMove = (e: MouseEvent) => {
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if (!rangetracker2.value) {
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return;
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}
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let tracker_rect = rangetracker2.value.getBoundingClientRect();
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let origin_bottom = tracker_rect.bottom;
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let point_bottom = e.clientY;
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let distance = (point_bottom - origin_bottom) * -1;
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if (distance < 0) {
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verticalRangeValue.value[0] = 0;
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} else {
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let rate = (distance / tracker_rect.height) * 100;
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let idx = -1;
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if (currbtn === -1) {
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currbtn = moveNeighbors(Math.floor(rate), verticalRangeValue);
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idx = currbtn;
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} else {
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idx = currbtn;
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}
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calcWithStep(rate, verticalRangeValue, idx);
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if (verticalRangeValue.value[1] > 100) {
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verticalRangeValue.value[1] = 100;
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}
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if (verticalRangeValue.value[0] < 0) {
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verticalRangeValue.value[0] = 0;
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}
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}
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emit("update:modelValue", verticalRangeValue.value);
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};
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function moveNeighbors(rate: number, rangeValues: any) {
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let d1 = Math.abs(rate - rangeValues.value[0]);
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let d2 = Math.abs(rate - rangeValues.value[1]);
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if (d1 > d2) {
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return 1;
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} else {
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return 0;
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}
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}
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function calcWithStep(
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rate: number | undefined,
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val: Ref<number> | Ref<number[]>,
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idx: number = -1
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) {
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if (typeof rate === "undefined") return false;
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if (typeof val.value === "number") {
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let r = rate - val.value;
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if (Math.abs(r) < props.step) {
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return false;
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}
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if (props.step === 0) val.value = Math.floor(rate);
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if (r < 0 && props.step !== 0) {
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val.value -= props.step;
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} else {
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val.value += props.step;
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}
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}
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if (typeof val.value === "object") {
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let r = rate - val.value[idx];
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if (Math.abs(r) < props.step) {
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return false;
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}
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if (props.step === 0) val.value[idx] = Math.floor(rate);
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if (Array.isArray(val.value)) {
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if (r < 0 && props.step !== 0) {
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val.value[idx] -= props.step;
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} else {
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val.value[idx] += props.step;
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}
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cross(val);
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}
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}
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}
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function cross(val: any) {
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if (val.value[0] > val.value[1]) {
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let tmp = val.value[0];
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val.value[0] = val.value[1];
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val.value[1] = tmp;
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currbtn = currbtn === 0 ? 1 : 0;
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}
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}
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</script> |