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192 lines
4.8 KiB
HTML
192 lines
4.8 KiB
HTML
<html>
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<head>
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<meta charset="utf-8">
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<title>Tree</title>
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<style>
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#container {
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width: 400;
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height: 600;
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border: 1px solid black;
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}
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.monaco-scrollable-element>.scrollbar>.slider {
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background: rgba(100, 100, 100, .4);
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}
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.tl-contents {
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flex: 1;
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}
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</style>
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</head>
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<body>
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<input type="text" id="filter" />
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<button id="collapseall">Collapse All</button>
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<div id="container"></div>
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<script src="/static/vs/loader.js"></script>
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<script>
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function perf(name, fn) {
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performance.mark('before ' + name);
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const start = performance.now();
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fn();
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console.log(name + ' took', performance.now() - start);
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performance.mark('after ' + name);
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}
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require.config({ baseUrl: '/static' });
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require(['vs/base/browser/ui/tree/indexTree', 'vs/base/browser/ui/tree/dataTree', 'vs/base/browser/ui/tree/tree', 'vs/base/common/iterator'], ({ IndexTree }, { DataTree }, { TreeVisibility }, { iter }) => {
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function createIndexTree() {
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const delegate = {
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getHeight() { return 22; },
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getTemplateId() { return 'template'; }
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};
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const renderer = {
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templateId: 'template',
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renderTemplate(container) { return container; },
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renderElement(element, index, container) {
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container.textContent = element;
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},
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disposeTemplate() { }
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};
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const treeFilter = new class {
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constructor() {
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this.pattern = null;
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let timeout;
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filter.oninput = () => {
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clearTimeout(timeout);
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timeout = setTimeout(() => this.updatePattern(), 300);
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};
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}
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updatePattern() {
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if (!filter.value) {
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this.pattern = null;
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} else {
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this.pattern = new RegExp(filter.value, 'i');
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}
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perf('refilter', () => tree.refilter());
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}
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filter(el) {
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return (this.pattern ? this.pattern.test(el) : true) ? TreeVisibility.Visible : TreeVisibility.Recurse;
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}
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};
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const tree = new IndexTree(container, delegate, [renderer], { filter: treeFilter });
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return { tree, treeFilter };
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}
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function createDataTree() {
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const delegate = {
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getHeight() { return 22; },
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getTemplateId() { return 'template'; }
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};
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const renderer = {
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templateId: 'template',
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renderTemplate(container) { return container; },
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renderElement(element, index, container) { container.textContent = element.name; },
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disposeTemplate() { }
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};
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const treeFilter = new class {
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constructor() {
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this.pattern = null;
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let timeout;
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filter.oninput = () => {
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clearTimeout(timeout);
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timeout = setTimeout(() => this.updatePattern(), 300);
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};
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}
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updatePattern() {
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if (!filter.value) {
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this.pattern = null;
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} else {
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this.pattern = new RegExp(filter.value, 'i');
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}
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perf('refilter', () => tree.refilter());
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}
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filter(el) {
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return (this.pattern ? this.pattern.test(el.name) : true) ? TreeVisibility.Visible : TreeVisibility.Recurse;
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}
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};
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const dataSource = new class {
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hasChildren(element) {
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return element === null || element.type === 'dir';
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}
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getChildren(element) {
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return new Promise((c, e) => {
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const xhr = new XMLHttpRequest();
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xhr.open('GET', element ? `/api/readdir?path=${element.path}` : '/api/readdir');
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xhr.send();
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xhr.onreadystatechange = function () {
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if (this.readyState == 4 && this.status == 200) {
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const els = JSON.parse(this.responseText).map(element => ({
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element,
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collapsible: element.type === 'dir'
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}));
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c(els);
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}
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};
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});
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}
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}
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const tree = new DataTree(container, delegate, [renderer], dataSource, { filter: treeFilter });
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return { tree, treeFilter };
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}
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switch (location.search) {
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case '?problems': {
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const { tree, treeFilter } = createIndexTree();
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const files = [];
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for (let i = 0; i < 10000; i++) {
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const errors = [];
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for (let j = 1; j <= (i % 5) + 1; j++) {
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errors.push({ element: `error #${j}` });
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}
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files.push({ element: `file #${i}`, children: errors });
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}
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perf('splice', () => tree.splice([0], 0, files));
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break;
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}
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case '?data': {
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const { tree, treeFilter } = createDataTree();
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tree.refresh(null);
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break;
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}
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default:
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const { tree, treeFilter } = createIndexTree();
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const xhr = new XMLHttpRequest();
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xhr.open('GET', '/api/ls?path=');
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xhr.send();
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xhr.onreadystatechange = function () {
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if (this.readyState == 4 && this.status == 200) {
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perf('splice', () => tree.splice([0], 0, [JSON.parse(this.responseText)]));
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treeFilter.updatePattern();
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}
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};
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}
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collapseall.onclick = () => perf('collapse all', () => tree.collapseAll());
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});
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</script>
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</body>
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</html> |