282 lines
8.9 KiB
Vue
282 lines
8.9 KiB
Vue
<template>
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<div id="app">
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<main role="main" class="container-fluid">
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<div style="padding-top: 64px">
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<div>
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<ul
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class="navbar-nav mr-auto"
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style="list-style:none; padding-left:0; margin:0;"
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>
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<li
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class="nav-item dropdown"
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style="position: relative; display: inline-block;"
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>
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<a
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href="#"
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id="igv-example-api-dropdown"
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@click.prevent="toggleDropdown"
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aria-haspopup="true"
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:aria-expanded="isDropdownOpen.toString()"
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style="color: black; cursor: pointer; user-select: none;"
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>Tracks</a
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>
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<ul
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v-show="isDropdownOpen"
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class="dropdown-menu"
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style="width:350px; position: absolute; top: 100%; left: 0; background: white; border: 1px solid #ccc; box-shadow: 0 2px 5px rgba(0,0,0,0.15); padding: 5px 0; margin: 0; list-style:none; z-index: 1000;"
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>
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<li>
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<a
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href="#"
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@click.prevent="loadCopyNumberTrack"
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style="display:block; padding: 8px 20px; color: black; text-decoration: none;"
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>Copy Number</a
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>
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</li>
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<li>
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<a
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href="#"
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@click.prevent="loadDbSnpTrack"
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style="display:block; padding: 8px 20px; color: black; text-decoration: none;"
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>dbSNP 137 (bed tabix)</a
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>
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</li>
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<li>
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<a
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href="#"
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@click.prevent="loadBigWigTrack"
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style="display:block; padding: 8px 20px; color: black; text-decoration: none;"
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>Encode bigwig</a
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>
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</li>
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<li>
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<a
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href="#"
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@click.prevent="loadBamTrack"
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style="display:block; padding: 8px 20px; color: black; text-decoration: none;"
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>1KG Bam (HG02450)</a
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>
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</li>
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</ul>
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</li>
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</ul>
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</div>
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<!-- 탭 콘텐츠 -->
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<div class="tab-content" id="viewerTabContent">
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<div
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class="tab-pane fade show active"
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id="igv-viewer"
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role="tabpanel"
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>
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<div style="padding-top: 20px">
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이 예제는 드롭다운 메뉴에서 동적으로 트랙을 추가하는 igv.js API의
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사용을 보여줍니다.
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위의 메뉴에서 'CopyNumber'를 선택하면 다음과 같은 호출이 실행됩니다.
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<p>
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<pre>
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igv.browser.loadTrack({
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url: 'https://s3.amazonaws.com/igv.org.demo/GBM-TP.seg.gz',
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name: 'GBM Copy # (TCGA Broad GDAC)'});
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</pre>
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</p>
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자세한 내용은
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<a href="https://github.com/igvteam/igv.js/wiki">개발자 위키</a>를
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참조하세요.
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</div>
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<div id="igvDiv" style="padding-top: 20px"></div>
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</div>
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</div>
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</div>
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</main>
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</div>
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</template>
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<script>
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export default {
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name: "App",
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data() {
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return {
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browser: null,
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isDropdownOpen: false,
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};
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},
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mounted() {
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// 외부 클릭시 드롭다운 닫기
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document.addEventListener("click", this.handleClickOutside);
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this.initializeIGV();
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},
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beforeUnmount() {
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document.removeEventListener("click", this.handleClickOutside);
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},
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methods: {
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toggleDropdown() {
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this.isDropdownOpen = !this.isDropdownOpen;
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},
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closeDropdown() {
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this.isDropdownOpen = false;
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},
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handleClickOutside(event) {
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const dropdown = this.$el.querySelector("#igv-example-api-dropdown");
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const menu = this.$el.querySelector(".dropdown-menu");
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if (
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dropdown &&
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menu &&
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!dropdown.contains(event.target) &&
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!menu.contains(event.target)
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) {
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this.closeDropdown();
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}
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},
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async initializeIGV() {
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await this.waitForIGV();
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await this.$nextTick();
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const igvDiv = document.getElementById("igvDiv");
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if (!igvDiv) {
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console.error("❌ #igvDiv가 존재하지 않습니다.");
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return;
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}
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const options = {
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locus: "chr1:155,160,475-155,184,282",
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genome: "hg19",
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};
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try {
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this.browser = await igv.createBrowser(igvDiv, options);
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window.igv = { browser: this.browser };
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this.addBaseClickEvent();
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this.browser.on("locuschange", this.addBaseClickEvent);
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this.browser.on("trackclick", this.addBaseClickEvent);
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} catch (error) {
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console.error("IGV 브라우저 생성 중 오류:", error);
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}
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},
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waitForIGV() {
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return new Promise((resolve) => {
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const checkIGV = () => {
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if (typeof igv !== "undefined") {
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resolve();
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} else {
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setTimeout(checkIGV, 100);
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}
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};
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checkIGV();
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});
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},
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addBaseClickEvent() {
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setTimeout(() => {
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const texts = document.querySelectorAll("#igvDiv text");
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texts.forEach((text) => {
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const base = text.textContent;
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if (["A", "T", "C", "G"].includes(base)) {
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text.style.cursor = "pointer";
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text.onclick = () => {
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text.textContent = this.getComplement(text.textContent);
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};
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}
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});
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}, 300);
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},
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getComplement(base) {
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switch (base) {
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case "A":
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return "T";
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case "T":
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return "A";
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case "C":
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return "G";
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case "G":
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return "C";
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default:
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return base;
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}
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},
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loadCopyNumberTrack() {
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if (this.browser) {
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this.browser.loadTrackList = this.browser.loadTrackList.bind(this.browser);
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this.browser.loadTrackList([
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{
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url: "https://s3.amazonaws.com/igv.org.demo/GBM-TP.seg.gz",
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indexed: false,
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isLog: true,
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name: "GBM Copy # (TCGA Broad GDAC)",
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},
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]);
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}
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this.closeDropdown();
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},
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loadDbSnpTrack() {
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if (this.browser) {
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this.browser.loadTrackList = this.browser.loadTrackList.bind(this.browser);
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this.browser.loadTrackList([
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{
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type: "annotation",
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format: "bed",
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url: "https://data.broadinstitute.org/igvdata/annotations/hg19/dbSnp/snp137.hg19.bed.gz",
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indexURL:
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"https://data.broadinstitute.org/igvdata/annotations/hg19/dbSnp/snp137.hg19.bed.gz.tbi",
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visibilityWindow: 200000,
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name: "dbSNP 137",
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},
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]);
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}
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this.closeDropdown();
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},
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loadBigWigTrack() {
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if (this.browser) {
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this.browser.loadTrackList = this.browser.loadTrackList.bind(this.browser);
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this.browser.loadTrackList([
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{
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type: "wig",
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format: "bigwig",
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url: "https://s3.amazonaws.com/igv.broadinstitute.org/data/hg19/encode/wgEncodeBroadHistoneGm12878H3k4me3StdSig.bigWig",
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name: "Gm12878H3k4me3",
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},
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]);
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}
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this.closeDropdown();
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},
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loadBamTrack() {
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if (this.browser) {
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this.browser.loadTrackList = this.browser.loadTrackList.bind(this.browser);
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this.browser.loadTrackList([
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{
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type: "alignment",
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format: "bam",
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url: "https://1000genomes.s3.amazonaws.com/phase3/data/HG02450/alignment/HG02450.mapped.ILLUMINA.bwa.ACB.low_coverage.20120522.bam",
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indexURL:
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"https://1000genomes.s3.amazonaws.com/phase3/data/HG02450/alignment/HG02450.mapped.ILLUMINA.bwa.ACB.low_coverage.20120522.bam.bai",
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name: "HG02450",
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},
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]);
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}
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this.closeDropdown();
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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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#app {
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font-family: Avenir, Helvetica, Arial, sans-serif;
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-webkit-font-smoothing: antialiased;
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-moz-osx-font-smoothing: grayscale;
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color: #2c3e50;
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}
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pre {
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padding: 10px;
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border-radius: 4px;
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}
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.nav-tabs {
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margin-bottom: 20px;
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}
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.tab-content {
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padding-top: 20px;
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}
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</style>
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