playground/index.html at master · alephzero/playground · GitHub

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<html>

<head>
	<title>AlephZero Playground</title>
	<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/font-awesome/5.14.0/css/all.min.css" />
	<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/bulma/0.7.5/css/bulma.min.css" />
	<script src="//cdn.jsdelivr.net/npm/vue@2.6.14/dist/vue.min.js"></script>
	<script defer id="ace" src="//cdnjs.cloudflare.com/ajax/libs/ace/1.4.5/ace.js"></script>

	<script src="//unpkg.com/splitpanes@2.4.1/dist/splitpanes.umd.js"></script>
	<link href="//unpkg.com/splitpanes@2.4.1/dist/splitpanes.css" rel="stylesheet">
</head>

<body>
	<div id="app">
		<nav class="navbar is-dark">
			<div class="navbar-brand">
				<a class="navbar-item" href="https://github.com/alephzero">
					<img src="https://avatars1.githubusercontent.com/u/48891271" height="28" style="filter: invert(1)">
				</a>
			</div>
			<div class="navbar-menu">
				<div class="navbar-start">
					<div class="navbar-item has-dropdown is-hoverable">
						<a class="navbar-link">
							Language ({{lang_display[selected_lang]}})
						</a>
						<div class="navbar-dropdown">
							<a class="navbar-item" v-for="lang in lang_opts" @click="select_lang(lang)">
								<div
									:class="{'has-text-primary': lang==selected_lang, 'has-text-weight-bold': lang==selected_lang}">
									{{lang_display[lang]}}
								</div>
							</a>
						</div>
					</div>
					<div class="navbar-item has-dropdown is-hoverable">
						<a class="navbar-link">
							Example
						</a>
						<div class="navbar-dropdown">
							<div class="navbar-item"><b>{{lang_display["cpp"]}}</b></div>
							<a class="navbar-item" v-for="ex in examples_cpp" @click="select_example(ex)">
								{{ex.name}}
							</a>
							<hr class="navbar-divider">
							<div class="navbar-item"><b>{{lang_display["py"]}}</b></div>
							<a class="navbar-item" v-for="ex in examples_py" @click="select_example(ex)">
								{{ex.name}}
							</a>
						</div>
					</div>

					<div class="navbar-item has-dropdown is-hoverable">
						<a class="navbar-link">
							Saved Script
						</a>
						<div class="navbar-dropdown">
							<a class="navbar-item field" v-for="snippet in snippets" @click="load_snippet(snippet)"
								style="padding-right: 1rem">
								<span style="width: 100%">
									{{snippet}}
								</span>
								<span class="icon">
									<i class="fas fa-lg fa-times-circle has-text-danger"
										@click.stop="delete_snippet(snippet)"></i>
								</span>
							</a>
						</div>
					</div>

				</div>

			</div>
			<div class="navbar-end">
				<div class="tag is-dark">Ctrl + ENTER to Run | Ctrl + S to Save</div>
			</div>

		</nav>

		<splitpanes>
			<pane style="margin: 1px">
				<pre id="code" style="height: 100%; font-size: 1.25em;"></pre>
			</pane>
			<pane style="margin: 1px; overflow: auto;">
				<div class="has-background-dark" style="height: 100%;">
					<pre class="has-text-primary has-background-dark" style="font-size: 1em"
						v-if="output_stdout">{{output_stdout}}</pre>
					<pre class="has-text-danger has-background-dark" style="font-size: 1em"
						v-if="output_stderr">{{output_stderr}}</pre>
				</div>
			</pane>
		</splitpanes>
	</div>

	<script>
		const vueobj = new Vue({
			el: '#app',
			components: window.splitpanes,
			data: {
				lang_opts: ['cpp', 'py'],
				lang_display: { cpp: 'C++', py: 'Python' },
				selected_lang: undefined,
				examples: [],
				editor: undefined,
				output_stdout: '',
				output_stderr: '',
				ws: undefined,
				snippets: [],
			},

			mounted() {
				const vm = this
				const ace_script = document.querySelector('#ace')
				ace_script.onload = vm.setup_code_panel
				vm.load_examples()
				vm.detect_snippets()
			},

			computed: {
				examples_cpp() {
					const vm = this
					return vm.examples.filter(ex => vm.example_lang(ex) == 'cpp')
				},
				examples_py() {
					const vm = this
					return vm.examples.filter(ex => vm.example_lang(ex) == 'py')
				},
			},
			methods: {

				setup_code_panel() {
					const vm = this
					vm.editor = ace.edit('code')
					vm.editor.setTheme('ace/theme/merbivore_soft')
					vm.editor.setKeyboardHandler("ace/keyboard/sublime")
					vm.editor.focus()

					vm.editor.setValue(`print('Hello, World!')\n`, 1)
					vm.select_lang('py')

					vm.editor.commands.addCommand({
						name: 'run_code',
						bindKey: { win: 'Ctrl-Enter', mac: 'Command-Enter' },
						exec: vm.run_code,
					})

					vm.editor.commands.addCommand({
						name: 'save_snippet',
						bindKey: { win: 'Ctrl-S', mac: 'Command-S' },
						exec: vm.save_snippet,
					})
				},

				load_examples() {
					const vm = this
					fetch('/examples.json')
						.then(r => r.json())
						.then(data => { vm.examples = data })
				},

				detect_snippets() {
					const vm = this
					vm.snippets = Object.keys(localStorage)
						.filter(name => { return name.startsWith('alephzero/snippet/') })
						.map(name => { return name.substr('alephzero/snippet/'.length) })
						.sort()
				},

				save_snippet() {
					const vm = this

					// Get snippet name.
					let snippet_name = prompt('Enter snippet name:')

					// Check if the user canceled.
					if (snippet_name == null) {
						return
					}

					// Check if the user submitted an empty string.
					snippet_name = snippet_name.trim()
					if (snippet_name.length == 0) {
						alert("Script name can't be empty");
						return
					}

					// TODO(lshamis): Verify there is no conflict with an existing snippet.

					localStorage.setItem(`alephzero/snippet/${snippet_name}`, JSON.stringify({
						lang: vm.selected_lang,
						code: vm.editor.getValue()
					}))

					vm.detect_snippets()
				},

				load_snippet(snippet_name) {
					const vm = this

					if (vm.ws) {
						vm.ws.close()
					}
					vm.output_stdout = ''
					vm.output_stderr = ''

					const snippet = JSON.parse(localStorage.getItem(`alephzero/snippet/${snippet_name}`))
					vm.select_lang(snippet.lang)
					vm.editor.setValue(snippet.code, 1)
				},

				delete_snippet(snippet_name) {
					const vm = this
					localStorage.removeItem(`alephzero/snippet/${snippet_name}`)

					vm.detect_snippets()
				},

				run_code() {
					const vm = this

					if (vm.ws) {
						vm.ws.close()
					}
					vm.output_stdout = ''
					vm.output_stderr = ''

					vm.ws = new WebSocket(`ws://${location.host}/api/run`)
					vm.ws.onopen = () => {
						vm.ws.send(JSON.stringify({
							lang: vm.selected_lang,
							code: vm.editor.getValue()
						}))
					}
					vm.ws.onmessage = (evt) => {
						msg = JSON.parse(evt.data)
						if (msg.stream == 'stdout') {
							vm.output_stdout += msg.output
						}
						if (msg.stream == 'stderr') {
							vm.output_stderr += msg.output
						}
					}
				},

				example_lang(ex) {
					return ex.path.split('.').pop()
				},

				select_lang(lang) {
					const vm = this
					vm.selected_lang = lang
					if (vm.editor) {
						vm.editor.session.setMode({
							cpp: 'ace/mode/c_cpp',
							py: 'ace/mode/python',
						}[lang])
					}
				},

				select_example(ex) {
					const vm = this

					if (vm.ws) {
						vm.ws.close()
					}
					vm.output_stdout = ''
					vm.output_stderr = ''

					vm.select_lang(vm.example_lang(ex))
					fetch(ex.path)
						.then(r => { return r.text() })
						.then(code => { vm.editor.setValue(code, 1) })
				}
			}
		})
	</script>
</body>

</html>