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import React, { useState, useRef, useEffect } from "react";
import ReactMarkdown from "react-markdown";
import remarkGfm from "remark-gfm";
import { EditorState } from "@codemirror/state";
import { EditorView, keymap, lineNumbers, highlightActiveLine } from "@codemirror/view";
import { markdown } from "@codemirror/lang-markdown";
import { languages } from "@codemirror/language-data";
import { defaultKeymap, history, historyKeymap } from "@codemirror/commands";
import { oneDark } from "@codemirror/theme-one-dark";
import type { Phase } from "../types";
interface DocumentPaneProps {
content: string;
onChange: (content: string) => void;
phase: Phase;
disabled: boolean;
showOnboarding?: boolean;
}
function MarkdownEditor({
content,
onChange,
disabled,
}: {
content: string;
onChange: (content: string) => void;
disabled: boolean;
}) {
const editorRef = useRef<HTMLDivElement>(null);
const viewRef = useRef<EditorView | null>(null);
useEffect(() => {
if (!editorRef.current) return;
const updateListener = EditorView.updateListener.of((update) => {
if (update.docChanged) {
onChange(update.state.doc.toString());
}
});
const state = EditorState.create({
doc: content,
extensions: [
lineNumbers(),
highlightActiveLine(),
history(),
keymap.of([...defaultKeymap, ...historyKeymap]),
markdown({ codeLanguages: languages }),
oneDark,
updateListener,
EditorView.editable.of(!disabled),
EditorView.theme({
"&": {
height: "100%",
fontSize: "14px",
},
".cm-scroller": {
overflow: "auto",
fontFamily: '"SF Mono", Monaco, "Cascadia Code", monospace',
},
".cm-content": {
padding: "16px 0",
},
".cm-line": {
padding: "0 16px",
},
}),
],
});
const view = new EditorView({
state,
parent: editorRef.current,
});
viewRef.current = view;
return () => {
view.destroy();
viewRef.current = null;
};
}, [disabled]);
// Update content when it changes externally
useEffect(() => {
const view = viewRef.current;
if (!view) return;
const currentContent = view.state.doc.toString();
if (content !== currentContent) {
view.dispatch({
changes: {
from: 0,
to: currentContent.length,
insert: content,
},
});
}
}, [content]);
return <div ref={editorRef} className="codemirror-editor" />;
}
export function DocumentPane({
content,
onChange,
phase,
disabled,
showOnboarding,
}: DocumentPaneProps) {
const [isEditing, setIsEditing] = useState(false);
if (showOnboarding) {
return (
<div className="document-pane">
<div className="document-header">
<span>Welcome to Claude Flow</span>
</div>
<div className="document-content rendered onboarding">
<h1>Claude Flow</h1>
<p>
A structured workflow for AI-assisted coding:{" "}
<strong>Research → Plan → Implement</strong>.
</p>
<h2>Setup</h2>
<p>Export your Anthropic API key:</p>
<pre>
<code>export ANTHROPIC_API_KEY=your-key-here</code>
</pre>
<p>
Get one at{" "}
<a
href="https://platform.claude.com"
target="_blank"
rel="noopener"
>
platform.claude.com
</a>
</p>
<h2>Getting Started</h2>
<ol>
<li>
<strong>Add a project</strong> — Select a codebase folder
</li>
<li>
<strong>Create a session</strong> — Start a new task
</li>
<li>
<strong>Describe your work</strong> — Tell Claude what you want to
build
</li>
</ol>
<h2>Workflow</h2>
<p>
<strong>Research:</strong> Claude analyzes your codebase and writes
findings to <code>research.md</code>. Add notes like{" "}
<code>// REVIEW: check this</code> — click <strong>Review</strong>{" "}
when done.
</p>
<p>
<strong>Plan:</strong> Claude drafts an implementation plan in{" "}
<code>plan.md</code> with code snippets and a TODO list. Iterate the
same way.
</p>
<p>
<strong>Implement:</strong> Claude executes the plan, marking tasks
complete as it goes.
</p>
<p className="onboarding-tip">
Iterate on research and plan docs as long as you want. Click{" "}
<strong>Submit</strong> when happy to move to the next phase.
</p>
</div>
</div>
);
}
if (phase === "implement") {
return (
<div className="document-pane">
<div className="document-header">
<span>plan.md</span>
<span className="badge">Implementing...</span>
</div>
<div className="document-content rendered">
<ReactMarkdown remarkPlugins={[remarkGfm]}>{content}</ReactMarkdown>
</div>
</div>
);
}
const filename = phase === "research" ? "research.md" : "plan.md";
return (
<div className="document-pane">
<div className="document-header">
<span>{filename}</span>
<button onClick={() => setIsEditing(!isEditing)}>
{isEditing ? "Preview" : "Edit"}
</button>
</div>
{isEditing ? (
<MarkdownEditor
content={content}
onChange={onChange}
disabled={disabled}
/>
) : (
<div
className="document-content rendered"
onClick={() => !disabled && setIsEditing(true)}
>
{content ? (
<ReactMarkdown remarkPlugins={[remarkGfm]}>{content}</ReactMarkdown>
) : (
<p className="empty">
Document will appear here after Claude generates it...
</p>
)}
</div>
)}
</div>
);
}
|
