chore: add prettier frontent linter
This commit is contained in:
@@ -10,40 +10,45 @@
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@mouseup="mouseUp"
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@wheel="wheelMove"
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>
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<img src="" class="image-ex-img image-ex-img-center" ref="imgex" @load="onLoad">
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<img
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src=""
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class="image-ex-img image-ex-img-center"
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ref="imgex"
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@load="onLoad"
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/>
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</div>
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</template>
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<script>
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import throttle from 'lodash.throttle'
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import UTIF from 'utif'
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import throttle from "lodash.throttle";
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import UTIF from "utif";
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export default {
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props: {
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src: String,
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moveDisabledTime: {
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type: Number,
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default: () => 200
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default: () => 200,
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},
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maxScale: {
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type: Number,
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default: () => 4
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default: () => 4,
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},
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minScale: {
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type: Number,
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default: () => 0.25
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default: () => 0.25,
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},
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classList: {
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type: Array,
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default: () => []
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default: () => [],
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},
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zoomStep: {
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type: Number,
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default: () => 0.25
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default: () => 0.25,
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},
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autofill: {
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type: Boolean,
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default: () => false
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}
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default: () => false,
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},
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},
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data() {
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return {
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@@ -57,204 +62,208 @@ export default {
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imageLoaded: false,
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position: {
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center: { x: 0, y: 0 },
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relative: { x: 0, y: 0 }
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}
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}
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relative: { x: 0, y: 0 },
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},
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};
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},
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mounted() {
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if (!this.decodeUTIF()) {
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this.$refs.imgex.src = this.src
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this.$refs.imgex.src = this.src;
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}
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let container = this.$refs.container
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this.classList.forEach(className => container.classList.add(className))
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let container = this.$refs.container;
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this.classList.forEach((className) => container.classList.add(className));
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// set width and height if they are zero
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if (getComputedStyle(container).width === "0px") {
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container.style.width = "100%"
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container.style.width = "100%";
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}
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if (getComputedStyle(container).height === "0px") {
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container.style.height = "100%"
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container.style.height = "100%";
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}
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window.addEventListener('resize', this.onResize)
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window.addEventListener("resize", this.onResize);
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},
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beforeDestroy () {
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window.removeEventListener('resize', this.onResize)
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document.removeEventListener('mouseup', this.onMouseUp)
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beforeDestroy() {
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window.removeEventListener("resize", this.onResize);
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document.removeEventListener("mouseup", this.onMouseUp);
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},
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watch: {
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src: function () {
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this.scale = 1
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this.setZoom()
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this.setCenter()
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}
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this.scale = 1;
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this.setZoom();
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this.setCenter();
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},
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},
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methods: {
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// Modified from UTIF.replaceIMG
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decodeUTIF() {
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const sufs = ["tif", "tiff", "dng", "cr2", "nef"]
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let suff = document.location.pathname.split(".").pop().toLowerCase()
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if (sufs.indexOf(suff) == -1) return false
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let xhr = new XMLHttpRequest()
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UTIF._xhrs.push(xhr)
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UTIF._imgs.push(this.$refs.imgex)
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xhr.open("GET", this.src)
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xhr.responseType = "arraybuffer"
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xhr.onload = UTIF._imgLoaded
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xhr.send()
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return true
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const sufs = ["tif", "tiff", "dng", "cr2", "nef"];
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let suff = document.location.pathname.split(".").pop().toLowerCase();
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if (sufs.indexOf(suff) == -1) return false;
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let xhr = new XMLHttpRequest();
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UTIF._xhrs.push(xhr);
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UTIF._imgs.push(this.$refs.imgex);
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xhr.open("GET", this.src);
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xhr.responseType = "arraybuffer";
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xhr.onload = UTIF._imgLoaded;
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xhr.send();
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return true;
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},
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onLoad() {
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let img = this.$refs.imgex
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let img = this.$refs.imgex;
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this.imageLoaded = true
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this.imageLoaded = true;
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if (img === undefined) {
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return
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return;
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}
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img.classList.remove('image-ex-img-center')
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this.setCenter()
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img.classList.add('image-ex-img-ready')
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img.classList.remove("image-ex-img-center");
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this.setCenter();
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img.classList.add("image-ex-img-ready");
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document.addEventListener('mouseup', this.onMouseUp)
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document.addEventListener("mouseup", this.onMouseUp);
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},
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onMouseUp() {
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this.inDrag = false
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this.inDrag = false;
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},
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onResize: throttle(function() {
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onResize: throttle(function () {
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if (this.imageLoaded) {
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this.setCenter()
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this.doMove(this.position.relative.x, this.position.relative.y)
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this.setCenter();
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this.doMove(this.position.relative.x, this.position.relative.y);
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}
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}, 100),
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setCenter() {
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let container = this.$refs.container
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let img = this.$refs.imgex
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let container = this.$refs.container;
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let img = this.$refs.imgex;
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this.position.center.x = Math.floor((container.clientWidth - img.clientWidth) / 2)
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this.position.center.y = Math.floor((container.clientHeight - img.clientHeight) / 2)
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this.position.center.x = Math.floor(
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(container.clientWidth - img.clientWidth) / 2
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);
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this.position.center.y = Math.floor(
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(container.clientHeight - img.clientHeight) / 2
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);
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img.style.left = this.position.center.x + 'px'
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img.style.top = this.position.center.y + 'px'
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img.style.left = this.position.center.x + "px";
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img.style.top = this.position.center.y + "px";
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},
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mousedownStart(event) {
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this.lastX = null
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this.lastY = null
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this.inDrag = true
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event.preventDefault()
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this.lastX = null;
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this.lastY = null;
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this.inDrag = true;
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event.preventDefault();
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},
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mouseMove(event) {
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if (!this.inDrag) return
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this.doMove(event.movementX, event.movementY)
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event.preventDefault()
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if (!this.inDrag) return;
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this.doMove(event.movementX, event.movementY);
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event.preventDefault();
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},
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mouseUp(event) {
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this.inDrag = false
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event.preventDefault()
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this.inDrag = false;
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event.preventDefault();
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},
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touchStart(event) {
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this.lastX = null
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this.lastY = null
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this.lastTouchDistance = null
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this.lastX = null;
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this.lastY = null;
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this.lastTouchDistance = null;
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if (event.targetTouches.length < 2) {
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setTimeout(() => {
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this.touches = 0
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}, 300)
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this.touches++
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this.touches = 0;
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}, 300);
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this.touches++;
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if (this.touches > 1) {
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this.zoomAuto(event)
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this.zoomAuto(event);
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}
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}
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event.preventDefault()
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}
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event.preventDefault();
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},
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zoomAuto(event) {
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switch (this.scale) {
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case 1:
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this.scale = 2
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break
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this.scale = 2;
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break;
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case 2:
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this.scale = 4
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break
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this.scale = 4;
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break;
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default:
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case 4:
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this.scale = 1
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this.setCenter()
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break
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this.scale = 1;
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this.setCenter();
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break;
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}
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this.setZoom()
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event.preventDefault()
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this.setZoom();
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event.preventDefault();
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},
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touchMove(event) {
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event.preventDefault()
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event.preventDefault();
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if (this.lastX === null) {
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this.lastX = event.targetTouches[0].pageX
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this.lastY = event.targetTouches[0].pageY
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return
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this.lastX = event.targetTouches[0].pageX;
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this.lastY = event.targetTouches[0].pageY;
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return;
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}
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let step = this.$refs.imgex.width / 5
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let step = this.$refs.imgex.width / 5;
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if (event.targetTouches.length === 2) {
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this.moveDisabled = true
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clearTimeout(this.disabledTimer)
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this.moveDisabled = true;
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clearTimeout(this.disabledTimer);
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this.disabledTimer = setTimeout(
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() => (this.moveDisabled = false),
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this.moveDisabledTime
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)
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);
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let p1 = event.targetTouches[0]
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let p2 = event.targetTouches[1]
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let p1 = event.targetTouches[0];
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let p2 = event.targetTouches[1];
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let touchDistance = Math.sqrt(
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Math.pow(p2.pageX - p1.pageX, 2) + Math.pow(p2.pageY - p1.pageY, 2)
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)
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);
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if (!this.lastTouchDistance) {
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this.lastTouchDistance = touchDistance
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return
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this.lastTouchDistance = touchDistance;
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return;
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}
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this.scale += (touchDistance - this.lastTouchDistance) / step
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this.lastTouchDistance = touchDistance
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this.setZoom()
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this.scale += (touchDistance - this.lastTouchDistance) / step;
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this.lastTouchDistance = touchDistance;
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this.setZoom();
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} else if (event.targetTouches.length === 1) {
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if (this.moveDisabled) return
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let x = event.targetTouches[0].pageX - this.lastX
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let y = event.targetTouches[0].pageY - this.lastY
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if (Math.abs(x) >= step && Math.abs(y) >= step) return
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this.lastX = event.targetTouches[0].pageX
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this.lastY = event.targetTouches[0].pageY
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this.doMove(x, y)
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if (this.moveDisabled) return;
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let x = event.targetTouches[0].pageX - this.lastX;
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let y = event.targetTouches[0].pageY - this.lastY;
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if (Math.abs(x) >= step && Math.abs(y) >= step) return;
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this.lastX = event.targetTouches[0].pageX;
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this.lastY = event.targetTouches[0].pageY;
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this.doMove(x, y);
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}
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},
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doMove(x, y) {
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let style = this.$refs.imgex.style
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let posX = this.pxStringToNumber(style.left) + x
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let posY = this.pxStringToNumber(style.top) + y
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let style = this.$refs.imgex.style;
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let posX = this.pxStringToNumber(style.left) + x;
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let posY = this.pxStringToNumber(style.top) + y;
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style.left = posX + 'px'
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style.top = posY + 'px'
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style.left = posX + "px";
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style.top = posY + "px";
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this.position.relative.x = Math.abs(this.position.center.x - posX)
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this.position.relative.y = Math.abs(this.position.center.y - posY)
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this.position.relative.x = Math.abs(this.position.center.x - posX);
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this.position.relative.y = Math.abs(this.position.center.y - posY);
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if (posX < this.position.center.x) {
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this.position.relative.x = this.position.relative.x * -1
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this.position.relative.x = this.position.relative.x * -1;
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}
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if (posY < this.position.center.y) {
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this.position.relative.y = this.position.relative.y * -1
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this.position.relative.y = this.position.relative.y * -1;
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}
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},
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wheelMove(event) {
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this.scale += (event.wheelDeltaY / 100) * this.zoomStep
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this.setZoom()
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this.scale += (event.wheelDeltaY / 100) * this.zoomStep;
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this.setZoom();
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},
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setZoom() {
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this.scale = this.scale < this.minScale ? this.minScale : this.scale
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this.scale = this.scale > this.maxScale ? this.maxScale : this.scale
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this.$refs.imgex.style.transform = `scale(${this.scale})`
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this.scale = this.scale < this.minScale ? this.minScale : this.scale;
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this.scale = this.scale > this.maxScale ? this.maxScale : this.scale;
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this.$refs.imgex.style.transform = `scale(${this.scale})`;
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},
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pxStringToNumber(style) {
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return +style.replace("px", "")
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}
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}
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}
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return +style.replace("px", "");
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},
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},
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};
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</script>
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<style>
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.image-ex-container {
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