120 lines
2.0 KiB
Vue
120 lines
2.0 KiB
Vue
<template>
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<div class="background-image-loader">
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<div class="background-container">
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<div class="background background-default"
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:style="backgroundDefaultStyle">
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</div>
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<transition name="fade">
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<div class="background background-img"
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:key="loadedImageUrl"
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:style="backgroundStyle"
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>
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</div>
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</transition>
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</div>
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</div>
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</template>
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<script>
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import imageLoader from '~/mixins/imageLoader.js'
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export default {
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mixins: [ imageLoader ],
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props: {
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imageUrl: {
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type: String,
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required: false,
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default: function () {
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return null
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}
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},
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},
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data () {
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return {
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loadedImageUrl: null,
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}
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},
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computed: {
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backgroundDefaultStyle () {
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return {
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background: 'linear-gradient(310deg, #35405d, #6174aa, #a8b3d0, #e2e5ef)'
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}
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},
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backgroundStyle () {
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let style = {}
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if (this.loadedImageUrl) {
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style.backgroundImage = `url(${this.loadedImageUrl})`
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}
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return style
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}
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},
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watch: {
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imageUrl () {
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if (this.imageUrl) {
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this.setImage(this.imageUrl)
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}
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},
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},
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mounted () {
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this.setImage(this.imageUrl)
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},
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methods: {
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setImage(url) {
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if (url === null) { return }
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this.loadImage(url)
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.then(img => {
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this.loadedImageUrl = img.src
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this.$emit('imageLoaded', img)
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})
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.catch(err => {
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this.$emit('imageLoadError', err)
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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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<style lang="scss" scoped>
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.background-image-loader {
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position: relative;
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width: 100%;
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height: 100%;
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}
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.background {
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position: absolute;
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width: 100%;
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height: 100%;
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top: 0;
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left: 0;
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}
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.background-img {
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background-size: cover;
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background-position: center center;
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opacity: 1;
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}
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.fade {
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&-enter-active {
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transition: opacity 2s 1s;
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}
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&-leave-active {
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transition: opacity 3s;
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}
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&-enter, &-leave-to {
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opacity: 0;
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}
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}
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</style>
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