2022-01-22 21:30:17 +08:00

306 lines
8.3 KiB
Vue

<template>
<div class="layui-slider-vertical" v-if="vertical">
<div
ref="rangetracker2"
@mousedown.stop="handle_mousedown"
class="layui-slider-vrange"
v-if="range"
>
<div
:style="{ bottom: verticalRangeValue[1] + '%' }"
class="layui-slider-vertical-btn"
></div>
<div
:style="{ bottom: verticalRangeValue[0] + '%' }"
class="layui-slider-vertical-btn"
></div>
<div class="layui-slider-vertical-line"></div>
<div
:style="{
height: verticalRangeValue[1] - verticalRangeValue[0] + '%',
bottom: verticalRangeValue[0] + '%',
}"
class="layui-slider-vertical-rate"
></div>
</div>
<div
ref="verticaltracker"
@mousedown.stop="handle_mousedown"
class="layui-slider-vertical-track"
:class="[props.disabled ? 'layui-slider-disabled' : '']"
v-else
>
<lay-tooltip :content="modelValue + ''">
<div
:style="{ bottom: modelValue + '%' }"
class="layui-slider-vertical-btn"
:class="[props.disabled ? 'layui-slider-disabled' : '']"
></div>
</lay-tooltip>
<div
:style="{ height: modelValue + '%' }"
class="layui-slider-vertical-rate"
:class="[props.disabled ? 'layui-slider-disabled-rate' : '']"
></div>
<div class="layui-slider-vertical-line"></div>
</div>
</div>
<div class="layui-slider-v" v-else>
<div
@mousedown.stop="handle_mousedown"
ref="rangetracker1"
class="layui-slider-srange"
v-if="range"
>
<lay-tooltip :content="rangeValue[0] + ''">
<div
:style="{ left: rangeValue[0] + '%' }"
class="layui-slider-btn-v"
></div>
</lay-tooltip>
<lay-tooltip :content="rangeValue[1]">
<div
:style="{ left: rangeValue[1] + '%' }"
class="layui-slider-btn-v"
></div>
</lay-tooltip>
<div class="layui-slider-line-v"></div>
<div
:style="{
width: rangeValue[1] - rangeValue[0] + '%',
left: rangeValue[0] + '%',
}"
class="layui-slider-rate-v"
></div>
</div>
<div
ref="standardtracker"
@mousedown.stop="handle_mousedown"
class="layui-slider-track-v"
:class="[props.disabled ? 'layui-slider-disabled' : '']"
v-else
>
<lay-tooltip :content="modelValue + ''">
<div
:style="{ left: modelValue + '%' }"
class="layui-slider-btn-v"
:class="[props.disabled ? 'layui-slider-disabled' : '']"
></div>
</lay-tooltip>
<div
:style="{ width: modelValue + '%' }"
class="layui-slider-rate-v"
:class="[props.disabled ? 'layui-slider-disabled-rate' : '']"
></div>
<div class="layui-slider-line-v"></div>
</div>
</div>
</template>
<script setup lang="ts">
import { defineProps, reactive, Ref, ref, toRef } from "vue";
import { on, off } from "evtd";
import "./index.less";
const emit = defineEmits(["update:modelValue"]);
interface LaySliderProps {
vertical?: boolean;
modelValue?: number | Array<number>;
min?: number;
max?: number;
step?: number;
disabled?: boolean;
range?: boolean;
verticalrange?: number[];
standardrange?: number[];
}
const props = withDefaults(defineProps<LaySliderProps>(), {
vertical: false,
modelValue: 0,
disabled: false,
});
// let rangeValue: Ref<number[]> = ref([0, 0]);
let rangeValue: Ref<number[]> | any = toRef(props, "standardrange");
// if (Array.isArray(props.modelValue)) {
// // eslint-disable-next-line vue/no-setup-props-destructure
// rangeValue.value = props.modelValue;
// }
let verticalRangeValue: Ref<number[]> | any = toRef(props, "verticalrange");
const standardtracker = ref<HTMLElement | null>(null);
const verticaltracker = ref<HTMLElement | null>(null);
const rangetracker1 = ref<HTMLElement | null>(null);
const rangetracker2 = ref<HTMLElement | null>(null);
const standard_style = reactive({
left: props.modelValue,
width: props.modelValue,
});
const vertical_style = reactive({
bottom: props.modelValue,
height: props.modelValue,
});
function throttle(func: Function) {
let timer: any = null;
return function (args: any) {
if (!timer) {
timer = setTimeout(() => {
timer = null;
func(args);
}, 60);
}
};
}
const moveAction = throttle(handle_mousemove);
// eslint-disable-next-line @typescript-eslint/no-unused-vars
function handle_mousedown() {
on("selectstart", window, handle_select, { once: true });
on("mouseup", window, handle_mouseup);
on("mousemove", window, moveAction);
}
function handle_mousemove(e: MouseEvent) {
if (props.disabled === true) {
return false;
}
if (props.vertical === false && props.range === false) {
standardMove(e);
}
if (props.vertical === true && props.range === false) {
verticalMove(e);
}
if (props.vertical === false && props.range === true) {
starndardRangeMove(e);
}
if (props.vertical === true && props.range === true) {
verticalRangeMove(e);
}
}
function handle_mouseup() {
// off('selectstart', document, handle_select)
off("mouseup", window, handle_mouseup);
off("mousemove", window, moveAction);
}
function handle_select(e: Event): void {
e.preventDefault();
}
const standardMove = (e: MouseEvent) => {
if (!standardtracker.value) {
return;
}
let tracker_rect = standardtracker.value.getBoundingClientRect();
let origin_left = tracker_rect.left;
let point_left = e.clientX;
let distance = point_left - origin_left;
if (distance < 0) {
standard_style.left = 0;
standard_style.width = 0;
} else {
let rate = (distance / tracker_rect.width) * 100;
standard_style.left = Math.floor(rate);
standard_style.width = Math.floor(rate);
if (standard_style.left > 100) {
standard_style.left = 100;
standard_style.width = 100;
}
}
emit("update:modelValue", standard_style.left);
};
const verticalMove = (e: MouseEvent) => {
if (!verticaltracker.value) {
return;
}
let tracker_rect = verticaltracker.value.getBoundingClientRect();
let origin_bottom = tracker_rect.bottom;
let point_bottom = e.clientY;
let distance = (point_bottom - origin_bottom) * -1;
if (distance < 0) {
vertical_style.bottom = 0;
vertical_style.height = 0;
} else {
let rate = (distance / tracker_rect.height) * 100;
vertical_style.bottom = Math.floor(rate);
vertical_style.height = Math.floor(rate);
if (vertical_style.bottom > 100) {
vertical_style.bottom = 100;
vertical_style.height = 100;
}
}
emit("update:modelValue", vertical_style.bottom);
};
const starndardRangeMove = (e: MouseEvent) => {
if (!rangetracker1.value) {
return;
}
let tracker_rect = rangetracker1.value.getBoundingClientRect();
let origin_left = tracker_rect.left;
let point_left = e.clientX;
let distance = point_left - origin_left;
if (distance < 0) {
rangeValue.value[0] = 0;
} else {
let rate = (distance / tracker_rect.width) * 100;
let idx = moveNeighbors(Math.floor(rate), rangeValue);
rangeValue.value[idx] = Math.floor(rate);
if (rangeValue.value[1] > 100) {
rangeValue.value[1] = 100;
}
if (rangeValue.value[0] < 0) {
rangeValue.value[0] = 0;
}
}
emit("update:modelValue", rangeValue.value);
};
const verticalRangeMove = (e: MouseEvent) => {
if (!rangetracker2.value) {
return;
}
let tracker_rect = rangetracker2.value.getBoundingClientRect();
let origin_bottom = tracker_rect.bottom;
let point_bottom = e.clientY;
let distance = (point_bottom - origin_bottom) * -1;
if (distance < 0) {
rangeValue.value[0] = 0;
} else {
let rate = (distance / tracker_rect.height) * 100;
let idx = moveNeighbors(Math.floor(rate), verticalRangeValue);
verticalRangeValue.value[idx] = Math.floor(rate);
if (verticalRangeValue.value[1] > 100) {
verticalRangeValue.value[1] = 100;
}
if (verticalRangeValue.value[0] < 0) {
verticalRangeValue.value[0] = 0;
}
}
emit("update:modelValue", verticalRangeValue.value);
};
function moveNeighbors(rate: number, rangeValues: any) {
let d1 = Math.abs(rate - rangeValues.value[0]);
let d2 = Math.abs(rate - rangeValues.value[1]);
if (d1 > d2) {
return 1;
} else {
return 0;
}
}
</script>