131 lines
2.6 KiB
Vue
131 lines
2.6 KiB
Vue
<template>
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<span ref="wrapper" class="rating" @click="handleClick" @mousemove="handleMousemove" @mouseleave="handleMouseleave">
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<span class="set empty-set">
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<app-icon v-for="i in starCount" :key="i" icon="star"></app-icon>
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</span>
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<span class="set filled-set" :style="filledStyle">
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<app-icon v-for="i in starCount" :key="i" icon="star"></app-icon>
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</span>
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</span>
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</template>
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<script>
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export default {
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props: {
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starCount: {
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required: false,
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type: Number,
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default: 5
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},
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readonly: {
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required: false,
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type: Boolean,
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default: false
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},
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step: {
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required: false,
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type: Number,
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default: 0.5
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},
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value: {
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required: false,
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type: Number,
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default: 0
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}
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},
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data() {
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return {
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temporaryValue: null
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};
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},
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computed: {
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ratingPercent() {
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return ((this.value || 0) / this.starCount) * 100.0;
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},
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temporaryPercent() {
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if (this.temporaryValue !== null) {
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return (this.temporaryValue / this.starCount) * 100.0;
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} else {
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return null;
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}
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},
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filledStyle() {
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const width = this.temporaryPercent || this.ratingPercent;
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return {
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width: width + "%"
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};
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}
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},
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methods: {
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handleClick(evt) {
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if (this.temporaryValue !== null) {
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this.$emit("input", this.temporaryValue);
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}
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},
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handleMousemove(evt) {
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if (this.readonly) {
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return;
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}
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const wrapperBox = this.$refs.wrapper.getBoundingClientRect();
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const wrapperWidth = wrapperBox.right - wrapperBox.left;
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const mousePosition = evt.clientX;
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if (mousePosition > wrapperBox.left && mousePosition < wrapperBox.right) {
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const filledRatio = ((mousePosition - wrapperBox.left) / wrapperWidth);
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const totalSteps = this.starCount / this.step;
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const filledSteps = Math.round(totalSteps * filledRatio);
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this.temporaryValue = filledSteps * this.step;
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}
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},
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handleMouseleave(evt) {
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this.temporaryValue = null;
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}
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},
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components: {
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}
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}
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</script>
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<style lang="scss" scoped>
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@import "../styles/variables";
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span.rating {
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position: relative;
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display: inline-block;
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.set {
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white-space: nowrap;
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}
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.empty-set {
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color: gray;
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}
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.filled-set {
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color: $yellow;
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position: absolute;
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top: 0;
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left: 0;
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overflow-x: hidden;
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}
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}
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</style> |