'use strict';
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Object.defineProperty(exports, '__esModule', { value: true });
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var vue = require('vue');
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var core = require('@vueuse/core');
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var lodashUnified = require('lodash-unified');
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require('../../../hooks/index.js');
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require('../../../constants/index.js');
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require('../../../utils/index.js');
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var index$3 = require('../../icon/index.js');
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var iconsVue = require('@element-plus/icons-vue');
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var imageViewer = require('./image-viewer.js');
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var pluginVue_exportHelper = require('../../../_virtual/plugin-vue_export-helper.js');
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var index = require('../../../hooks/use-locale/index.js');
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var index$1 = require('../../../hooks/use-namespace/index.js');
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var index$2 = require('../../../hooks/use-z-index/index.js');
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var types = require('../../../utils/types.js');
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var aria = require('../../../constants/aria.js');
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var objects = require('../../../utils/objects.js');
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const _hoisted_1 = ["src"];
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const __default__ = vue.defineComponent({
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name: "ElImageViewer"
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});
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const _sfc_main = /* @__PURE__ */ vue.defineComponent({
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...__default__,
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props: imageViewer.imageViewerProps,
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emits: imageViewer.imageViewerEmits,
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setup(__props, { expose, emit }) {
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const props = __props;
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const modes = {
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CONTAIN: {
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name: "contain",
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icon: vue.markRaw(iconsVue.FullScreen)
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},
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ORIGINAL: {
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name: "original",
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icon: vue.markRaw(iconsVue.ScaleToOriginal)
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}
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};
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const { t } = index.useLocale();
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const ns = index$1.useNamespace("image-viewer");
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const { nextZIndex } = index$2.useZIndex();
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const wrapper = vue.ref();
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const imgRefs = vue.ref([]);
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const scopeEventListener = vue.effectScope();
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const loading = vue.ref(true);
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const activeIndex = vue.ref(props.initialIndex);
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const mode = vue.shallowRef(modes.CONTAIN);
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const transform = vue.ref({
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scale: 1,
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deg: 0,
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offsetX: 0,
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offsetY: 0,
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enableTransition: false
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});
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const isSingle = vue.computed(() => {
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const { urlList } = props;
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return urlList.length <= 1;
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});
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const isFirst = vue.computed(() => {
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return activeIndex.value === 0;
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});
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const isLast = vue.computed(() => {
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return activeIndex.value === props.urlList.length - 1;
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});
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const currentImg = vue.computed(() => {
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return props.urlList[activeIndex.value];
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});
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const imgStyle = vue.computed(() => {
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const { scale, deg, offsetX, offsetY, enableTransition } = transform.value;
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let translateX = offsetX / scale;
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let translateY = offsetY / scale;
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switch (deg % 360) {
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case 90:
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case -270:
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;
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[translateX, translateY] = [translateY, -translateX];
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break;
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case 180:
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case -180:
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;
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[translateX, translateY] = [-translateX, -translateY];
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break;
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case 270:
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case -90:
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;
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[translateX, translateY] = [-translateY, translateX];
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break;
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}
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const style = {
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transform: `scale(${scale}) rotate(${deg}deg) translate(${translateX}px, ${translateY}px)`,
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transition: enableTransition ? "transform .3s" : ""
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};
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if (mode.value.name === modes.CONTAIN.name) {
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style.maxWidth = style.maxHeight = "100%";
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}
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return style;
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});
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const computedZIndex = vue.computed(() => {
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return types.isNumber(props.zIndex) ? props.zIndex : nextZIndex();
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});
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function hide() {
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unregisterEventListener();
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emit("close");
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}
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function registerEventListener() {
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const keydownHandler = lodashUnified.throttle((e) => {
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switch (e.code) {
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case aria.EVENT_CODE.esc:
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props.closeOnPressEscape && hide();
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break;
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case aria.EVENT_CODE.space:
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toggleMode();
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break;
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case aria.EVENT_CODE.left:
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prev();
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break;
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case aria.EVENT_CODE.up:
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handleActions("zoomIn");
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break;
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case aria.EVENT_CODE.right:
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next();
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break;
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case aria.EVENT_CODE.down:
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handleActions("zoomOut");
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break;
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}
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});
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const mousewheelHandler = lodashUnified.throttle((e) => {
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const delta = e.deltaY || e.deltaX;
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handleActions(delta < 0 ? "zoomIn" : "zoomOut", {
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zoomRate: props.zoomRate,
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enableTransition: false
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});
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});
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scopeEventListener.run(() => {
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core.useEventListener(document, "keydown", keydownHandler);
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core.useEventListener(document, "wheel", mousewheelHandler);
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});
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}
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function unregisterEventListener() {
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scopeEventListener.stop();
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}
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function handleImgLoad() {
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loading.value = false;
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}
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function handleImgError(e) {
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loading.value = false;
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e.target.alt = t("el.image.error");
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}
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function handleMouseDown(e) {
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if (loading.value || e.button !== 0 || !wrapper.value)
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return;
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transform.value.enableTransition = false;
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const { offsetX, offsetY } = transform.value;
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const startX = e.pageX;
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const startY = e.pageY;
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const dragHandler = lodashUnified.throttle((ev) => {
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transform.value = {
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...transform.value,
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offsetX: offsetX + ev.pageX - startX,
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offsetY: offsetY + ev.pageY - startY
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};
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});
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const removeMousemove = core.useEventListener(document, "mousemove", dragHandler);
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core.useEventListener(document, "mouseup", () => {
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removeMousemove();
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});
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e.preventDefault();
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}
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function reset() {
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transform.value = {
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scale: 1,
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deg: 0,
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offsetX: 0,
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offsetY: 0,
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enableTransition: false
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};
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}
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function toggleMode() {
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if (loading.value)
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return;
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const modeNames = objects.keysOf(modes);
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const modeValues = Object.values(modes);
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const currentMode = mode.value.name;
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const index = modeValues.findIndex((i) => i.name === currentMode);
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const nextIndex = (index + 1) % modeNames.length;
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mode.value = modes[modeNames[nextIndex]];
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reset();
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}
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function setActiveItem(index) {
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const len = props.urlList.length;
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activeIndex.value = (index + len) % len;
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}
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function prev() {
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if (isFirst.value && !props.infinite)
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return;
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setActiveItem(activeIndex.value - 1);
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}
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function next() {
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if (isLast.value && !props.infinite)
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return;
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setActiveItem(activeIndex.value + 1);
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}
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function handleActions(action, options = {}) {
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if (loading.value)
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return;
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const { zoomRate, rotateDeg, enableTransition } = {
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zoomRate: props.zoomRate,
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rotateDeg: 90,
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enableTransition: true,
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...options
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};
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switch (action) {
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case "zoomOut":
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if (transform.value.scale > 0.2) {
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transform.value.scale = Number.parseFloat((transform.value.scale / zoomRate).toFixed(3));
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}
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break;
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case "zoomIn":
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if (transform.value.scale < 7) {
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transform.value.scale = Number.parseFloat((transform.value.scale * zoomRate).toFixed(3));
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}
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break;
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case "clockwise":
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transform.value.deg += rotateDeg;
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break;
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case "anticlockwise":
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transform.value.deg -= rotateDeg;
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break;
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}
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transform.value.enableTransition = enableTransition;
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}
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vue.watch(currentImg, () => {
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vue.nextTick(() => {
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const $img = imgRefs.value[0];
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if (!($img == null ? void 0 : $img.complete)) {
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loading.value = true;
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}
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});
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});
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vue.watch(activeIndex, (val) => {
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reset();
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emit("switch", val);
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});
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vue.onMounted(() => {
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var _a, _b;
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registerEventListener();
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(_b = (_a = wrapper.value) == null ? void 0 : _a.focus) == null ? void 0 : _b.call(_a);
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});
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expose({
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setActiveItem
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});
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return (_ctx, _cache) => {
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return vue.openBlock(), vue.createBlock(vue.Teleport, {
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to: "body",
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disabled: !_ctx.teleported
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}, [
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vue.createVNode(vue.Transition, {
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name: "viewer-fade",
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appear: ""
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}, {
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default: vue.withCtx(() => [
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vue.createElementVNode("div", {
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ref_key: "wrapper",
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ref: wrapper,
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tabindex: -1,
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class: vue.normalizeClass(vue.unref(ns).e("wrapper")),
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style: vue.normalizeStyle({ zIndex: vue.unref(computedZIndex) })
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}, [
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vue.createElementVNode("div", {
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class: vue.normalizeClass(vue.unref(ns).e("mask")),
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onClick: _cache[0] || (_cache[0] = vue.withModifiers(($event) => _ctx.hideOnClickModal && hide(), ["self"]))
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}, null, 2),
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vue.createCommentVNode(" CLOSE "),
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vue.createElementVNode("span", {
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class: vue.normalizeClass([vue.unref(ns).e("btn"), vue.unref(ns).e("close")]),
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onClick: hide
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}, [
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vue.createVNode(vue.unref(index$3.ElIcon), null, {
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default: vue.withCtx(() => [
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vue.createVNode(vue.unref(iconsVue.Close))
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]),
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_: 1
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})
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], 2),
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vue.createCommentVNode(" ARROW "),
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!vue.unref(isSingle) ? (vue.openBlock(), vue.createElementBlock(vue.Fragment, { key: 0 }, [
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vue.createElementVNode("span", {
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class: vue.normalizeClass([
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vue.unref(ns).e("btn"),
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vue.unref(ns).e("prev"),
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vue.unref(ns).is("disabled", !_ctx.infinite && vue.unref(isFirst))
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]),
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onClick: prev
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}, [
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vue.createVNode(vue.unref(index$3.ElIcon), null, {
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default: vue.withCtx(() => [
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vue.createVNode(vue.unref(iconsVue.ArrowLeft))
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]),
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_: 1
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})
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], 2),
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vue.createElementVNode("span", {
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class: vue.normalizeClass([
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vue.unref(ns).e("btn"),
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vue.unref(ns).e("next"),
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vue.unref(ns).is("disabled", !_ctx.infinite && vue.unref(isLast))
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]),
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onClick: next
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}, [
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vue.createVNode(vue.unref(index$3.ElIcon), null, {
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default: vue.withCtx(() => [
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vue.createVNode(vue.unref(iconsVue.ArrowRight))
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]),
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_: 1
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})
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], 2)
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], 64)) : vue.createCommentVNode("v-if", true),
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vue.createCommentVNode(" ACTIONS "),
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vue.createElementVNode("div", {
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class: vue.normalizeClass([vue.unref(ns).e("btn"), vue.unref(ns).e("actions")])
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}, [
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vue.createElementVNode("div", {
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class: vue.normalizeClass(vue.unref(ns).e("actions__inner"))
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}, [
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vue.createVNode(vue.unref(index$3.ElIcon), {
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onClick: _cache[1] || (_cache[1] = ($event) => handleActions("zoomOut"))
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}, {
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default: vue.withCtx(() => [
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vue.createVNode(vue.unref(iconsVue.ZoomOut))
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]),
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_: 1
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}),
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vue.createVNode(vue.unref(index$3.ElIcon), {
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onClick: _cache[2] || (_cache[2] = ($event) => handleActions("zoomIn"))
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}, {
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default: vue.withCtx(() => [
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vue.createVNode(vue.unref(iconsVue.ZoomIn))
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]),
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_: 1
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}),
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vue.createElementVNode("i", {
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class: vue.normalizeClass(vue.unref(ns).e("actions__divider"))
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}, null, 2),
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vue.createVNode(vue.unref(index$3.ElIcon), { onClick: toggleMode }, {
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default: vue.withCtx(() => [
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(vue.openBlock(), vue.createBlock(vue.resolveDynamicComponent(vue.unref(mode).icon)))
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]),
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_: 1
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}),
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vue.createElementVNode("i", {
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class: vue.normalizeClass(vue.unref(ns).e("actions__divider"))
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}, null, 2),
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vue.createVNode(vue.unref(index$3.ElIcon), {
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onClick: _cache[3] || (_cache[3] = ($event) => handleActions("anticlockwise"))
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}, {
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default: vue.withCtx(() => [
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vue.createVNode(vue.unref(iconsVue.RefreshLeft))
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]),
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_: 1
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}),
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vue.createVNode(vue.unref(index$3.ElIcon), {
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onClick: _cache[4] || (_cache[4] = ($event) => handleActions("clockwise"))
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}, {
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default: vue.withCtx(() => [
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vue.createVNode(vue.unref(iconsVue.RefreshRight))
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]),
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_: 1
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})
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], 2)
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], 2),
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vue.createCommentVNode(" CANVAS "),
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vue.createElementVNode("div", {
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class: vue.normalizeClass(vue.unref(ns).e("canvas"))
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}, [
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(vue.openBlock(true), vue.createElementBlock(vue.Fragment, null, vue.renderList(_ctx.urlList, (url, i) => {
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return vue.withDirectives((vue.openBlock(), vue.createElementBlock("img", {
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ref_for: true,
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ref: (el) => imgRefs.value[i] = el,
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key: url,
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src: url,
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style: vue.normalizeStyle(vue.unref(imgStyle)),
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class: vue.normalizeClass(vue.unref(ns).e("img")),
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onLoad: handleImgLoad,
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onError: handleImgError,
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onMousedown: handleMouseDown
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}, null, 46, _hoisted_1)), [
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[vue.vShow, i === activeIndex.value]
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]);
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}), 128))
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], 2),
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vue.renderSlot(_ctx.$slots, "default")
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], 6)
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]),
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_: 3
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})
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], 8, ["disabled"]);
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};
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}
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});
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var ImageViewer = /* @__PURE__ */ pluginVue_exportHelper["default"](_sfc_main, [["__file", "/home/runner/work/element-plus/element-plus/packages/components/image-viewer/src/image-viewer.vue"]]);
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exports["default"] = ImageViewer;
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//# sourceMappingURL=image-viewer2.js.map
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