83 lines
2.7 KiB
JavaScript
83 lines
2.7 KiB
JavaScript
class SmartInput extends HTMLElement {
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#data = null;
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#rootdoc = null;
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#delay = 300;
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#value = null;
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#timeoutid = null;
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#input = null;
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#list = null;
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#label = null;
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constructor(){
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super()
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this.#rootdoc = this.attachShadow({ "mode" : "open"})
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this.render()
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}
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connectedCallback(){}
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set data(data){ this.#data = data; this.render() }
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render(){
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this.#rootdoc.innerHTML = `
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<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
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<div>
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<div class="d-flex align-items-center" style="gap:5px">
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<input class="form-control"/>
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<small id="restriction-enzyme-feedback" class="form-text text-muted"></small>
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</div>
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<div>
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<ul class="d-none list-group" style="position:absolute;z-index:1000"></ul>
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</div>
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<div>
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`
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this.#list = this.#rootdoc.querySelector("ul")
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this.#input = this.#rootdoc.querySelector("input")
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this.#label = this.#rootdoc.querySelector("small#restriction-enzyme-feedback")
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this.#rootdoc.addEventListener("keydown", ev=>{
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if(ev.code === "Escape"){
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this.#list.classList.add("d-none")
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}
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})
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this.#input.addEventListener("input", ev=>{
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this.#value = ev.target.value
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this.#label.textContent = ""
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if(this.#timeoutid != null) window.clearTimeout(this.#timeoutid)
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this.#timeoutid = window.setTimeout(()=>{
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this.renderOptions()
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}, this.#delay)
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})
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this.#input.addEventListener("keypress", ev=>{
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if(ev.code === "Enter"){
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this.#list.classList.add("d-none")
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document.querySelector("igene-data-display").updateEnzyme(this.#input.value)
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}
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})
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this.#list.addEventListener("click", ev=>{
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if(ev.target.classList.contains("list-group-item")){
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this.#input.value = ev.target.getAttribute("data-sequence")
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this.#label.textContent = ev.target.getAttribute("data-enzyme")
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this.#list.classList.add("d-none")
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document.querySelector("igene-data-display").updateEnzyme(this.#input.value)
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}
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})
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}
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renderOptions(){
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if(this.#value == null || this.#value === ""){
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this.#list.classList.add("d-none")
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return
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}
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const options = this.#data.filter(d=>{
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return d.name.startsWith(this.#value) || d.sequence.startsWith(this.#value)
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}).map(o=>{
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return `
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<li class="list-group-item d-flex" style="gap:5px; cursor: pointer;" data-sequence="${o.sequence}" data-enzyme="${o.name}"><span style="pointer-events: none;">${o.name}</span><span style="pointer-events: none;" class="badge bg-primary">${o.sequence}</span></li>
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`
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}).join("")
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this.#list.innerHTML = options
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this.#list.classList.remove("d-none")
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}
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}
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window.customElements.define('nw-smart-input', SmartInput); |