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code-server/lib/vscode/test/ui/tree/public/index.html

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<html>
<head>
<meta charset="utf-8">
<title>Tree</title>
<style>
#container {
width: 400;
height: 600;
border: 1px solid black;
}
.monaco-scrollable-element>.scrollbar>.slider {
background: rgba(100, 100, 100, .4);
}
.tl-contents {
flex: 1;
}
.monaco-list-row:hover:not(.selected):not(.focused) {
background: gainsboro !important;
}
</style>
</head>
<body>
<input type="text" id="filter" />
<button id="expandall">Expand All</button>
<button id="collapseall">Collapse All</button>
<button id="renderwidth">Render Width</button>
<button id="refresh">Refresh</button>
<div id="container"></div>
<script src="/static/vs/loader.js"></script>
<script>
function perf(name, fn) {
performance.mark('before ' + name);
const start = performance.now();
fn();
console.log(name + ' took', performance.now() - start);
performance.mark('after ' + name);
}
require.config({ baseUrl: '/static' });
require(['vs/base/browser/ui/tree/indexTree', 'vs/base/browser/ui/tree/objectTree', 'vs/base/browser/ui/tree/asyncDataTree', 'vs/base/browser/ui/tree/dataTree', 'vs/base/browser/ui/tree/tree', 'vs/base/common/iterator'], ({ IndexTree }, { CompressibleObjectTree }, { AsyncDataTree }, { DataTree }, { TreeVisibility }, { iter }) => {
function createIndexTree(opts) {
opts = opts || {};
const delegate = {
getHeight() { return 22; },
getTemplateId() { return 'template'; },
hasDynamicHeight() { return true; }
};
const renderer = {
templateId: 'template',
renderTemplate(container) { return container; },
renderElement(element, index, container) {
if (opts.supportDynamicHeights) {
let v = [];
for (let i = 1; i <= 5; i++) {
v.push(element.element);
}
container.innerHTML = v.join('<br />');
} else {
container.innerHTML = element.element;
}
},
disposeElement() { },
disposeTemplate() { }
};
const treeFilter = new class {
constructor() {
this.pattern = null;
let timeout;
filter.oninput = () => {
clearTimeout(timeout);
timeout = setTimeout(() => this.updatePattern(), 300);
};
}
updatePattern() {
if (!filter.value) {
this.pattern = null;
} else {
this.pattern = new RegExp(filter.value, 'i');
}
perf('refilter', () => tree.refilter());
}
filter(el) {
return (this.pattern ? this.pattern.test(el) : true) ? TreeVisibility.Visible : TreeVisibility.Recurse;
}
};
const tree = new IndexTree('test', container, delegate, [renderer], null, { ...opts, filter: treeFilter, setRowLineHeight: false });
return { tree, treeFilter };
}
function createCompressedObjectTree(opts) {
opts = opts || {};
const delegate = {
getHeight() { return 22; },
getTemplateId() { return 'template'; },
hasDynamicHeight() { return true; }
};
const renderer = {
templateId: 'template',
renderTemplate(container) { return container; },
renderElement(element, index, container) {
container.innerHTML = element.element.name;
},
renderCompressedElements(node, index, container, height) {
container.innerHTML = `🙈 ${node.element.elements.map(el => el.name).join('/')}`;
},
disposeElement() { },
disposeTemplate() { }
};
const treeFilter = new class {
constructor() {
this.pattern = null;
let timeout;
filter.oninput = () => {
clearTimeout(timeout);
timeout = setTimeout(() => this.updatePattern(), 300);
};
}
updatePattern() {
if (!filter.value) {
this.pattern = null;
} else {
this.pattern = new RegExp(filter.value, 'i');
}
perf('refilter', () => tree.refilter());
}
filter(el) {
return (this.pattern ? this.pattern.test(el) : true) ? TreeVisibility.Visible : TreeVisibility.Recurse;
}
};
const tree = new CompressibleObjectTree('test', container, delegate, [renderer], { ...opts, filter: treeFilter, setRowLineHeight: false, collapseByDefault: true, setRowLineHeight: true });
return { tree, treeFilter };
}
function createAsyncDataTree() {
const delegate = {
getHeight() { return 22; },
getTemplateId() { return 'template'; }
};
const renderer = {
templateId: 'template',
renderTemplate(container) { return container; },
renderElement(node, index, container) { container.textContent = node.element.element.name; },
disposeElement() { },
disposeTemplate() { }
};
const treeFilter = new class {
constructor() {
this.pattern = null;
let timeout;
filter.oninput = () => {
clearTimeout(timeout);
timeout = setTimeout(() => this.updatePattern(), 300);
};
}
updatePattern() {
if (!filter.value) {
this.pattern = null;
} else {
this.pattern = new RegExp(filter.value, 'i');
}
perf('refilter', () => tree.refilter());
}
filter(el) {
return (this.pattern ? this.pattern.test(el.name) : true) ? TreeVisibility.Visible : TreeVisibility.Recurse;
}
};
const sorter = new class {
compare(a, b) {
if (a.collapsible === b.collapsible) {
return a.name < b.name ? -1 : 1;
}
return a.collapsible ? -1 : 1;
}
};
const dataSource = new class {
hasChildren(element) {
return element === null || element.element.type === 'dir';
}
getChildren(element) {
return new Promise((c, e) => {
const xhr = new XMLHttpRequest();
xhr.open('GET', element ? `/api/readdir?path=${element.element.path}` : '/api/readdir');
xhr.send();
xhr.onreadystatechange = function () {
if (this.readyState == 4 && this.status == 200) {
const els = JSON.parse(this.responseText).map(element => ({
element,
collapsible: element.type === 'dir'
}));
c(els);
}
};
});
}
}
const identityProvider = {
getId(node) {
return node.element.path;
}
};
const tree = new AsyncDataTree('test', container, delegate, [renderer], dataSource, { filter: treeFilter, sorter, identityProvider });
return { tree, treeFilter };
}
function createDataTree() {
const delegate = {
getHeight() { return 22; },
getTemplateId() { return 'template'; }
};
const renderer = {
templateId: 'template',
renderTemplate(container) { return container; },
renderElement(node, index, container) { container.textContent = node.element.name; },
disposeElement() { },
disposeTemplate() { }
};
const treeFilter = new class {
constructor() {
this.pattern = null;
let timeout;
filter.oninput = () => {
clearTimeout(timeout);
timeout = setTimeout(() => this.updatePattern(), 300);
};
}
updatePattern() {
if (!filter.value) {
this.pattern = null;
} else {
this.pattern = new RegExp(filter.value, 'i');
}
perf('refilter', () => tree.refilter());
}
filter(el) {
return (this.pattern ? this.pattern.test(el.name) : true) ? TreeVisibility.Visible : TreeVisibility.Recurse;
}
};
const dataSource = new class {
getChildren(element) {
return element.children || [];
}
};
const identityProvider = {
getId(node) {
return node.name;
}
};
const tree = new DataTree('test', container, delegate, [renderer], dataSource, { filter: treeFilter, identityProvider });
tree.setInput({
children: [
{ name: 'A', children: [{ name: 'AA' }, { name: 'AB' }] },
{ name: 'B', children: [{ name: 'BA', children: [{ name: 'BAA' }] }, { name: 'BB' }] },
{ name: 'C' }
]
});
return { tree, treeFilter };
}
switch (location.search) {
case '?problems': {
const { tree, treeFilter } = createIndexTree();
expandall.onclick = () => perf('expand all', () => tree.expandAll());
collapseall.onclick = () => perf('collapse all', () => tree.collapseAll());
renderwidth.onclick = () => perf('renderwidth', () => tree.layoutWidth(Math.random()));
const files = [];
for (let i = 0; i < 100000; i++) {
const errors = [];
for (let j = 1; j <= 3; j++) {
errors.push({ element: `error #${j} ` });
}
files.push({ element: `file #${i}`, children: errors });
}
perf('splice', () => tree.splice([0], 0, files));
break;
}
case '?data': {
const { tree, treeFilter } = createAsyncDataTree();
expandall.onclick = () => perf('expand all', () => tree.expandAll());
collapseall.onclick = () => perf('collapse all', () => tree.collapseAll());
renderwidth.onclick = () => perf('renderwidth', () => tree.layoutWidth(Math.random()));
refresh.onclick = () => perf('refresh', () => tree.updateChildren());
tree.setInput(null);
break;
}
case '?objectdata': {
const { tree, treeFilter } = createDataTree();
expandall.onclick = () => perf('expand all', () => tree.expandAll());
collapseall.onclick = () => perf('collapse all', () => tree.collapseAll());
renderwidth.onclick = () => perf('renderwidth', () => tree.layoutWidth(Math.random()));
refresh.onclick = () => perf('refresh', () => tree.updateChildren());
break;
}
case '?compressed': {
const { tree, treeFilter } = createCompressedObjectTree();
expandall.onclick = () => perf('expand all', () => tree.expandAll());
collapseall.onclick = () => perf('collapse all', () => tree.collapseAll());
const xhr = new XMLHttpRequest();
xhr.open('GET', '/compressed.json');
xhr.send();
xhr.onreadystatechange = function () {
if (this.readyState == 4 && this.status == 200) {
tree.setChildren(null, JSON.parse(this.responseText));
}
};
break;
}
case '?height': {
const { tree, treeFilter } = createIndexTree({ supportDynamicHeights: true });
expandall.onclick = () => perf('expand all', () => tree.expandAll());
collapseall.onclick = () => perf('collapse all', () => tree.collapseAll());
renderwidth.onclick = () => perf('renderwidth', () => tree.layoutWidth(Math.random()));
const xhr = new XMLHttpRequest();
xhr.open('GET', '/api/ls?path=');
xhr.send();
xhr.onreadystatechange = function () {
if (this.readyState == 4 && this.status == 200) {
perf('splice', () => tree.splice([0], 0, [JSON.parse(this.responseText)]));
treeFilter.updatePattern();
}
};
// container.
break;
}
default: {
const { tree, treeFilter } = createIndexTree();
expandall.onclick = () => perf('expand all', () => tree.expandAll());
collapseall.onclick = () => perf('collapse all', () => tree.collapseAll());
renderwidth.onclick = () => perf('renderwidth', () => tree.layoutWidth(Math.random()));
const xhr = new XMLHttpRequest();
xhr.open('GET', '/api/ls?path=');
xhr.send();
xhr.onreadystatechange = function () {
if (this.readyState == 4 && this.status == 200) {
perf('splice', () => tree.splice([0], 0, [JSON.parse(this.responseText)]));
treeFilter.updatePattern();
}
};
}
}
});
</script>
</body>
</html>