talexander/organic_ast_explorer
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compare: talexander:3b3ef70d3bb22688e68adcce2b0362f687a8354e
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talexander:main

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acaf757ce3 ... 3b3ef70d3b

9 changed files with 97 additions and 136 deletions
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4
src/App.tsx
View File

@ -1,12 +1,12 @@
import React from "react";
import Explorer from "./Explorer";
import Editor from "./Editor";
import styles from "./App.module.css";
import "./reset.css";
function App({}) {
return (
<div className={styles.App}>
<Explorer />
<Editor />
</div>
);
}

21
src/Editor.module.css → src/Editor.css
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@ -1,4 +1,13 @@
.EditorTextWrapper {
.Editor {
display: flex;
flex-direction: row;
height: 100%;
width: 100%;
}
.Editor-textwrapper {
flex: 1;
flex-basis: 0;
position: relative;
background: white;
font-family: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas,
@ -8,8 +17,8 @@
text-align: initial;
}
.EditorTextArea,
.EditorUnderlay {
.Editor-textarea,
.Editor-underlay {
font-family: inherit;
font-weight: inherit;
font-size: inherit;
@ -19,7 +28,7 @@
line-height: normal;
}
.EditorTextArea {
.Editor-textarea {
position: absolute;
top: 0;
bottom: 0;
@ -34,7 +43,7 @@
outline: none;
}
.EditorUnderlay {
.Editor-underlay {
width: 100%;
height: 100%;
pointer-events: none;
@ -43,7 +52,7 @@
word-wrap: break-word;
overflow-y: scroll;
.EditorHighlighted {
.highlighted {
background: #ffff00;
}
}

4
src/Editor.module.css.d.ts vendored
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@ -1,4 +0,0 @@
export const EditorTextWrapper: string;
export const EditorTextArea: string;
export const EditorUnderlay: string;
export const EditorHighlighted: string;

101
src/Editor.tsx
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@ -1,25 +1,68 @@
import React, { useEffect, useRef } from "react";
import React, { ReactNode, useEffect, useMemo, useRef, useState } from "react";
import "./Editor.css";
import { Highlight } from "./highlight";
import { buildShadow } from "./shadow";
import styles from "./Editor.module.css";
import OrgAst, { OrgNodeReference } from "./OrgAst";
import { parse_org } from "../../organic/target/wasm32-unknown-unknown/js/wasm";
interface EditorProps {
value: string;
setValue: Function;
highlights: Highlight[];
clearHighlights: Function;
}
function Editor({
value,
setValue,
highlights,
clearHighlights,
}: EditorProps): React.ReactNode {
const default_org_source: string = `* Welcome to the Organic Ast Explorer!
Type your Org [fn:1] source in this text box, and it will be parsed by Organic [fn:2] that has been compiled into wasm and embedded in this page. The resulting AST will be rendered to the right.
In the AST on the right, you can:
1. Click on an AST node to highlight the corresponding portion of the Org source on the left.
2. Expand/Collapse the children, properties, and standard properties.
* Footnotes
[fn:1] https://orgmode.org/
[fn:2] https://code.fizz.buzz/talexander/organic
`;
function Editor({ defaultValue = default_org_source }) {
function handleChange(event: React.ChangeEvent<HTMLTextAreaElement>) {
setValue(event.target.value);
clearHighlights();
}
const [value, setValue] = useState(defaultValue);
const [highlights, setHighlights] = useState<Array<Highlight>>([]);
const astTree = useMemo(() => {
const astTree = parse_org(value);
console.log(JSON.stringify(astTree));
return astTree;
}, [value]);
function setHighlight(nodes: OrgNodeReference[]) {
let new_highlights = nodes.map((node: OrgNodeReference) => {
return new Highlight(node.start - 1, node.end - 1);
});
new_highlights.sort(function (a, b) {
if (a.start < b.start) return -1;
if (a.start > b.start) return 1;
return 0;
});
setHighlights(new_highlights);
}
function addHighlight(start: number, end: number) {
let new_highlights = [...highlights, new Highlight(start, end)];
new_highlights.sort(function (a, b) {
if (a.start < b.start) return -1;
if (a.start > b.start) return 1;
return 0;
});
setHighlights(new_highlights);
}
function clearHighlights() {
setHighlights([]);
}
const textAreaRef = useRef<HTMLTextAreaElement>(null);
const shadowRef = useRef<HTMLDivElement>(null);
function onTextAreaScroll() {
@ -35,18 +78,26 @@ function Editor({
}, []);
return (
<div className={styles.EditorTextWrapper}>
<textarea
ref={textAreaRef}
onChange={handleChange}
className={styles.EditorTextArea}
value={value}
onScroll={onTextAreaScroll}
/>
<div ref={shadowRef} className={styles.EditorUnderlay}>
{buildShadow(highlights, value)}
<br />
<div className="Editor">
<div className="Editor-textwrapper">
<textarea
ref={textAreaRef}
onChange={handleChange}
className="Editor-textarea"
value={value}
onScroll={onTextAreaScroll}
/>
<div ref={shadowRef} className="Editor-underlay">
{buildShadow(highlights, value)}
<br />
</div>
</div>
<OrgAst
setHighlight={setHighlight}
clearHighlights={clearHighlights}
value={value}
astTree={astTree}
/>
</div>
);
}

11
src/Explorer.module.css
View File

@ -1,11 +0,0 @@
.Explorer {
display: flex;
flex-direction: row;
height: 100%;
width: 100%;
> * {
flex: 1;
flex-basis: 0;
}
}

1
src/Explorer.module.css.d.ts vendored
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@ -1 +0,0 @@
export const Explorer: string;

83
src/Explorer.tsx
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@ -1,83 +0,0 @@
import React, { useMemo, useState } from "react";
import styles from "./Explorer.module.css";
import { Highlight } from "./highlight";
import OrgAst, { OrgNodeReference } from "./OrgAst";
import { parse_org } from "../../organic/target/wasm32-unknown-unknown/js/wasm";
import Editor from "./Editor";
const default_org_source: string = `* Welcome to the Organic Ast Explorer!
Type your Org [fn:1] source in this text box, and it will be parsed by Organic [fn:2] that has been compiled into wasm and embedded in this page. The resulting AST will be rendered to the right.
In the AST on the right, you can:
1. Click on an AST node to highlight the corresponding portion of the Org source on the left.
2. Expand/Collapse the children, properties, and standard properties.
* Footnotes
[fn:1] https://orgmode.org/
[fn:2] https://code.fizz.buzz/talexander/organic
`;
interface ExplorerProps {
defaultValue?: string;
}
function Explorer({ defaultValue = default_org_source }: ExplorerProps) {
const [value, setValue] = useState(defaultValue);
const [highlights, setHighlights] = useState<Array<Highlight>>([]);
const astTree = useMemo(() => {
const astTree = parse_org(value);
console.log(JSON.stringify(astTree));
return astTree;
}, [value]);
function setHighlight(nodes: OrgNodeReference[]) {
let new_highlights = nodes.map((node: OrgNodeReference) => {
return new Highlight(node.start - 1, node.end - 1);
});
new_highlights.sort(function (a, b) {
if (a.start < b.start) return -1;
if (a.start > b.start) return 1;
return 0;
});
setHighlights(new_highlights);
}
function addHighlight(start: number, end: number) {
let new_highlights = [...highlights, new Highlight(start, end)];
new_highlights.sort(function (a, b) {
if (a.start < b.start) return -1;
if (a.start > b.start) return 1;
return 0;
});
setHighlights(new_highlights);
}
function clearHighlights() {
setHighlights([]);
}
return (
<div className={styles.Explorer}>
<Editor
value={value}
setValue={setValue}
highlights={highlights}
clearHighlights={clearHighlights}
/>
<OrgAst
setHighlight={setHighlight}
clearHighlights={clearHighlights}
value={value}
astTree={astTree}
/>
</div>
);
}
export default Explorer;

1
src/OrgAst.module.css
View File

@ -1,4 +1,5 @@
.OrgAst {
flex: 1;
background: #eeeeee;
padding: 5px;
overflow: auto;

7
src/shadow.tsx
View File

@ -1,6 +1,5 @@
import React, { ReactNode } from "react";
import React, { ReactNode, useState } from "react";
import { Highlight } from "./highlight";
import styles from "./Editor.module.css";
function buildShadow(highlights: Highlight[], text: string): ReactNode[] {
let output: ReactNode[] = [];
@ -23,7 +22,7 @@ function buildShadow(highlights: Highlight[], text: string): ReactNode[] {
} else if (state == ShadowState.Highlight && !thisCharHighlighted) {
// End the span
output.push(
<span key={i} className={styles.EditorHighlighted}>
<span key={i} className="highlighted">
{buffer}
</span>,
);
@ -38,7 +37,7 @@ function buildShadow(highlights: Highlight[], text: string): ReactNode[] {
output.push(buffer);
} else if (state == ShadowState.Highlight) {
output.push(
<span key={i} className={styles.EditorHighlighted}>
<span key={i} className="highlighted">
{buffer}
</span>,
);