vxe-pc-ui/es/image/src/group.js

A vue based PC component library

import { defineComponent, computed, h, provide } from 'vue';
import { getConfig, createEvent, useSize } from '@vxe-ui/core';
import { openPreviewImage } from './util';
import XEUtils from 'xe-utils';
import VxeImageComponent from './image';
export default defineComponent({
    name: 'VxeImageGroup',
    props: {
        urlList: [Array, String],
        showPreview: {
            type: Boolean,
            default: () => getConfig().imageGroup.showPreview
        },
        imageStyle: Object,
        size: { type: String, default: () => getConfig().imageGroup.size || getConfig().size },
        showPrintButton: {
            type: Boolean,
            default: () => getConfig().imageGroup.showPrintButton
        },
        showDownloadButton: {
            type: Boolean,
            default: () => getConfig().imageGroup.showDownloadButton
        }
    },
    emits: [
        'click'
    ],
    setup(props, context) {
        const { emit } = context;
        const xID = XEUtils.uniqueId();
        const { computeSize } = useSize(props);
        const computeImgList = computed(() => {
            const { urlList } = props;
            if (urlList) {
                return (XEUtils.isArray(urlList) ? urlList : [urlList]).map(item => {
                    if (XEUtils.isString(item)) {
                        return {
                            url: item,
                            alt: ''
                        };
                    }
                    return {
                        url: item.url,
                        alt: item.alt
                    };
                });
            }
            return [];
        });
        const computeImgStyleOpts = computed(() => {
            return Object.assign({}, getConfig().imageGroup.imageStyle, props.imageStyle);
        });
        const computeMaps = {
            computeSize
        };
        const $xeImageGroup = {
            xID,
            props,
            context,
            getComputeMaps: () => computeMaps
        };
        const imageGroupMethods = {
            dispatchEvent(type, params, evnt) {
                emit(type, createEvent(evnt, { $imageGroup: $xeImageGroup }, params));
            }
        };
        const imageGroupPrivateMethods = {
            handleClickImgEvent(evnt, params) {
                const { showPreview, showPrintButton, showDownloadButton } = props;
                const { url } = params;
                const imgList = computeImgList.value;
                if (showPreview && url) {
                    openPreviewImage({
                        activeIndex: Math.max(0, XEUtils.findIndexOf(imgList, item => item.url === url)),
                        urlList: imgList,
                        showPrintButton,
                        showDownloadButton
                    });
                }
                imageGroupMethods.dispatchEvent('click', { url, urlList: imgList }, evnt);
            }
        };
        Object.assign($xeImageGroup, imageGroupMethods, imageGroupPrivateMethods);
        const renderVN = () => {
            const imgList = computeImgList.value;
            const vSize = computeSize.value;
            const imgStyleOpts = computeImgStyleOpts.value;
            return h('div', {
                class: ['vxe-image-group', {
                        [`size--${vSize}`]: vSize
                    }]
            }, imgList
                ? imgList.map((item, index) => {
                    return h(VxeImageComponent, {
                        key: index,
                        src: item.url,
                        alt: item.alt,
                        width: imgStyleOpts.width,
                        height: imgStyleOpts.height
                    });
                })
                : []);
        };
        $xeImageGroup.renderVN = renderVN;
        provide('$xeImageGroup', $xeImageGroup);
        return $xeImageGroup;
    },
    render() {
        return this.renderVN();
    }
});