307 lines
8.7 KiB
Vue
307 lines
8.7 KiB
Vue
<template>
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<span :class="containerClass" :style="style">
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<img v-bind="$attrs" :style="imageStyle" :class="imageClass" @error="onError" />
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<button v-if="preview" ref="previewButton" class="p-image-preview-indicator" @click="onImageClick" v-bind="previewButtonProps">
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<slot name="indicator">
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<i :class="['p-image-preview-icon', indicatorIcon]"></i>
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</slot>
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</button>
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<Portal>
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<div v-if="maskVisible" :ref="maskRef" v-focustrap role="dialog" :class="maskClass" :aria-modal="maskVisible" @click="onMaskClick" @keydown="onMaskKeydown">
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<div class="p-image-toolbar">
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<button class="p-image-action p-link" @click="rotateRight" type="button" :aria-label="rightAriaLabel">
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<slot name="refresh">
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<i class="pi pi-refresh"></i>
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</slot>
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</button>
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<button class="p-image-action p-link" @click="rotateLeft" type="button" :aria-label="leftAriaLabel">
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<slot name="undo">
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<i class="pi pi-undo"></i>
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</slot>
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</button>
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<button class="p-image-action p-link" @click="zoomOut" type="button" :disabled="zoomDisabled" :aria-label="zoomOutAriaLabel">
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<slot name="zoomout">
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<i class="pi pi-search-minus"></i>
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</slot>
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</button>
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<button class="p-image-action p-link" @click="zoomIn" type="button" :disabled="zoomDisabled" :aria-label="zoomInAriaLabel">
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<slot name="zoomin">
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<i class="pi pi-search-plus"></i>
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</slot>
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</button>
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<button class="p-image-action p-link" type="button" @click="hidePreview" :aria-label="closeAriaLabel" autofocus>
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<slot name="close">
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<i class="pi pi-times"></i>
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</slot>
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</button>
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</div>
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<transition name="p-image-preview" @before-enter="onBeforeEnter" @enter="onEnter" @leave="onLeave" @before-leave="onBeforeLeave" @after-leave="onAfterLeave">
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<div v-if="previewVisible">
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<img :src="$attrs.src" class="p-image-preview" :style="imagePreviewStyle" @click="onPreviewImageClick" />
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</div>
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</transition>
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</div>
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</Portal>
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</span>
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</template>
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<script>
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import FocusTrap from 'primevue/focustrap';
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import Portal from 'primevue/portal';
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import { DomHandler, ZIndexUtils } from 'primevue/utils';
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export default {
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name: 'Image',
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inheritAttrs: false,
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emits: ['show', 'hide', 'error'],
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props: {
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preview: {
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type: Boolean,
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default: false
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},
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class: {
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type: null,
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default: null
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},
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style: {
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type: null,
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default: null
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},
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imageStyle: {
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type: null,
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default: null
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},
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imageClass: {
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type: null,
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default: null
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},
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previewButtonProps: {
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type: null,
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default: null
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},
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indicatorIcon: {
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type: String,
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default: 'pi pi-eye'
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}
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},
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mask: null,
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data() {
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return {
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maskVisible: false,
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previewVisible: false,
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rotate: 0,
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scale: 1
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};
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},
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beforeUnmount() {
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if (this.mask) {
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ZIndexUtils.clear(this.container);
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}
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},
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methods: {
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maskRef(el) {
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this.mask = el;
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},
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toolbarRef(el) {
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this.toolbarRef = el;
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},
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onImageClick() {
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if (this.preview) {
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this.maskVisible = true;
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setTimeout(() => {
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this.previewVisible = true;
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}, 25);
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}
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},
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onPreviewImageClick() {
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this.previewClick = true;
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},
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onMaskClick() {
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if (!this.previewClick) {
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this.previewVisible = false;
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this.rotate = 0;
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this.scale = 1;
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}
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this.previewClick = false;
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},
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onMaskKeydown(event) {
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switch (event.code) {
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case 'Escape':
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this.onMaskClick();
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setTimeout(() => {
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DomHandler.focus(this.$refs.previewButton);
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}, 25);
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event.preventDefault();
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break;
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default:
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break;
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}
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},
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onError() {
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this.$emit('error');
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},
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rotateRight() {
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this.rotate += 90;
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this.previewClick = true;
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},
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rotateLeft() {
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this.rotate -= 90;
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this.previewClick = true;
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},
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zoomIn() {
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this.scale = this.scale + 0.1;
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this.previewClick = true;
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},
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zoomOut() {
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this.scale = this.scale - 0.1;
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this.previewClick = true;
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},
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onBeforeEnter() {
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ZIndexUtils.set('modal', this.mask, this.$primevue.config.zIndex.modal);
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},
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onEnter() {
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this.focus();
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this.$emit('show');
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},
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onBeforeLeave() {
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DomHandler.addClass(this.mask, 'p-component-overlay-leave');
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},
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onLeave() {
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this.$emit('hide');
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},
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onAfterLeave(el) {
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ZIndexUtils.clear(el);
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this.maskVisible = false;
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},
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focus() {
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let focusTarget = this.mask.querySelector('[autofocus]');
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if (focusTarget) {
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focusTarget.focus();
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}
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}
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},
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computed: {
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containerClass() {
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return [
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'p-image p-component',
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this.class,
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{
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'p-image-preview-container': this.preview
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}
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];
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},
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maskClass() {
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return ['p-image-mask p-component-overlay p-component-overlay-enter'];
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},
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rotateClass() {
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return 'p-image-preview-rotate-' + this.rotate;
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},
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imagePreviewStyle() {
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return { transform: 'rotate(' + this.rotate + 'deg) scale(' + this.scale + ')' };
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},
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zoomDisabled() {
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return this.scale <= 0.5 || this.scale >= 1.5;
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},
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rightAriaLabel() {
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return this.$primevue.config.locale.aria ? this.$primevue.config.locale.aria.rotateRight : undefined;
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},
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leftAriaLabel() {
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return this.$primevue.config.locale.aria ? this.$primevue.config.locale.aria.rotateLeft : undefined;
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},
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zoomInAriaLabel() {
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return this.$primevue.config.locale.aria ? this.$primevue.config.locale.aria.zoomIn : undefined;
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},
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zoomOutAriaLabel() {
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return this.$primevue.config.locale.aria ? this.$primevue.config.locale.aria.zoomOut : undefined;
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},
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closeAriaLabel() {
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return this.$primevue.config.locale.aria ? this.$primevue.config.locale.aria.close : undefined;
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}
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},
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components: {
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Portal: Portal
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},
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directives: {
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focustrap: FocusTrap
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}
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};
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</script>
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<style>
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.p-image-mask {
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display: flex;
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align-items: center;
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justify-content: center;
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}
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.p-image-preview-container {
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position: relative;
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display: inline-block;
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}
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.p-image-preview-indicator {
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position: absolute;
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left: 0;
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top: 0;
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width: 100%;
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height: 100%;
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display: flex;
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align-items: center;
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justify-content: center;
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opacity: 0;
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transition: opacity 0.3s;
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}
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.p-image-preview-icon {
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font-size: 1.5rem;
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}
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.p-image-preview-container:hover > .p-image-preview-indicator {
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opacity: 1;
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cursor: pointer;
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}
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.p-image-preview-container > img {
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cursor: pointer;
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}
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.p-image-toolbar {
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position: absolute;
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top: 0;
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right: 0;
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display: flex;
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}
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.p-image-action.p-link {
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display: flex;
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justify-content: center;
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align-items: center;
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}
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.p-image-preview {
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transition: transform 0.15s;
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max-width: 100vw;
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max-height: 100vh;
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}
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.p-image-preview-enter-active {
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transition: all 150ms cubic-bezier(0, 0, 0.2, 1);
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}
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.p-image-preview-leave-active {
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transition: all 150ms cubic-bezier(0.4, 0, 0.2, 1);
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}
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.p-image-preview-enter-from,
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.p-image-preview-leave-to {
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opacity: 0;
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transform: scale(0.7);
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}
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</style>
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