80 lines
2.2 KiB
Svelte
80 lines
2.2 KiB
Svelte
<!--
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Copyright: Ankitects Pty Ltd and contributors
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License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
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-->
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<script lang="typescript">
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import { onMount, createEventDispatcher } from "svelte";
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import { ChangeTimer } from "./change-timer";
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import * as CodeMirror from "codemirror/lib/codemirror";
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import "codemirror/mode/stex/stex";
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import "codemirror/addon/fold/foldcode";
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import "codemirror/addon/fold/foldgutter";
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import "codemirror/addon/fold/xml-fold";
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import "codemirror/addon/edit/matchtags.js";
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import "codemirror/addon/edit/closetag.js";
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export let initialValue: string;
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const latex = {
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name: "stex",
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inMathMode: true,
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};
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const codeMirrorOptions = {
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mode: latex,
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theme: "monokai",
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lineWrapping: true,
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matchTags: { bothTags: true },
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extraKeys: { Tab: false, "Shift-Tab": false },
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viewportMargin: Infinity,
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lineWiseCopyCut: false,
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autofocus: true,
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};
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let codeMirror: CodeMirror;
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const changeTimer = new ChangeTimer();
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function onInput() {
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changeTimer.schedule(
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() => dispatch("update", { mathjax: codeMirror.getValue() }),
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400
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);
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}
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function openCodemirror(textarea: HTMLTextAreaElement): void {
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codeMirror = CodeMirror.fromTextArea(textarea, codeMirrorOptions);
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codeMirror.on("change", onInput);
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}
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const dispatch = createEventDispatcher();
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let textarea: HTMLTextAreaElement;
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onMount(() => {
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codeMirror.focus();
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codeMirror.setCursor(codeMirror.lineCount(), 0);
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});
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</script>
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<!-- <textarea bind:value use:openCodemirror /> -->
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<div
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on:click|stopPropagation
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on:focus|stopPropagation
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on:keydown|stopPropagation
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on:focusin|stopPropagation
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on:keyup|stopPropagation
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on:mouseup|stopPropagation
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>
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<!-- TODO no focusin for now, as EditingArea will defer to Editable/Codable -->
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<textarea
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bind:this={textarea}
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value={initialValue}
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on:mouseup|preventDefault|stopPropagation
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on:keyup|stopPropagation
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on:click|stopPropagation
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on:focusin|stopPropagation
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on:input={onInput}
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use:openCodemirror
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/>
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</div>
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