layui/.svn/pristine/98/981205898e908cd361988617e446227a34beb513.svn-base
2022-12-09 16:41:41 +08:00

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<script lang="ts">
export default {
name: "LayRipple",
};
</script>
<script setup lang="ts">
import { computed, onMounted, ref, watch } from "vue";
import "./index.less";
import { RippleTrigger, RippleType } from "./interface";
export interface RippleProps {
type?: RippleType;
color?: string;
borderRadius?: string;
spreadWidth?: string;
spreadSize?: string;
trigger?: RippleTrigger;
center?: boolean;
}
const props = withDefaults(defineProps<RippleProps>(), {
type: "inset",
color: "currentColor",
borderRadius: "0",
spreadWidth: "6px",
trigger: "click",
center: false,
});
const isActiveRef = ref(false);
const spreadSizeRef = ref<string>("0px");
const ripplesRefEl = ref<HTMLElement | null>(null);
const waterRipplesContainerRefEl = ref<HTMLElement | null>(null);
const isOut = computed(() => {
return props.type === "out";
});
const rippleX = ref<string | number | undefined>(undefined);
const rippleY = ref<string | number | undefined>(undefined);
const onActive = function (event: Event) {
isActiveRef.value = true;
// 计算点击位置和波纹大小
if (props.type === "inset" && !props.spreadSize && !props.center) {
const el = event.currentTarget;
// @ts-ignore
const rect = el.getBoundingClientRect();
// @ts-ignore
const rippleOffsetLeft = event.clientX - rect.left;
// @ts-ignore
const rippleOffsetTop = event.clientY - rect.top;
const sizeX = Math.max(rippleOffsetLeft, rect.width - rippleOffsetLeft);
const sizeY = Math.max(rippleOffsetTop, rect.height - rippleOffsetTop);
rippleX.value = rippleOffsetLeft + "px";
rippleY.value = rippleOffsetTop + "px";
spreadSizeRef.value = Math.sqrt(sizeX ** 2 + sizeY ** 2) * 2 + "px";
}
};
const initWidth = function () {
let container = waterRipplesContainerRefEl.value;
let ripples = ripplesRefEl.value;
if (!container || !ripples) return;
if (props.type == "out") {
ripples.style.width = container.clientWidth + "px";
} else {
container.style.overflow = "hidden";
if (!props.spreadSize || props.center) {
spreadSizeRef.value = container.clientWidth * 1.1 + "px";
} else {
spreadSizeRef.value = props.spreadSize;
}
}
ripples.addEventListener(
"animationend",
() => {
isActiveRef.value = false;
},
false
);
};
onMounted(() => {
initWidth();
});
watch(
() => props.trigger,
(val) => (isActiveRef.value = val === "always"),
{ immediate: true }
);
</script>
<template>
<div
class="layui-water-ripples-container"
ref="waterRipplesContainerRefEl"
@[trigger]="onActive"
>
<div
ref="ripplesRefEl"
:class="{
'layui-out-ripples': isOut,
'layui-inset-ripples': type == 'inset',
'layui-animate-always--out':
isActiveRef && trigger == 'always' && type == 'out',
'layui-animate-once--out':
isActiveRef &&
(trigger == 'mouseenter' || trigger == 'click') &&
type == 'out',
'layui-animate-always--inset':
isActiveRef && trigger == 'always' && type == 'inset',
'layui-animate-once--inset':
isActiveRef &&
(trigger == 'mouseenter' || trigger == 'click') &&
type == 'inset',
}"
:style="{
borderRadius: isOut ? borderRadius : '50%',
left: rippleX,
top: rippleY,
'--layui-ripple-color': color,
'--layui-spread-width': spreadWidth,
'--layui-spread-size': spreadSizeRef,
}"
></div>
<slot></slot>
</div>
</template>