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import React, { useEffect, useRef, useState } from 'react';
import { Compartment, EditorState, type Extension } from '@codemirror/state';
import {
crosshairCursor,
drawSelection,
dropCursor,
EditorView,
highlightActiveLine,
highlightActiveLineGutter,
highlightSpecialChars,
keymap,
lineNumbers,
placeholder as cmPlaceholder,
rectangularSelection,
} from '@codemirror/view';
import {
defaultKeymap,
history,
historyKeymap,
indentWithTab,
} from '@codemirror/commands';
import {
bracketMatching,
defaultHighlightStyle,
foldGutter,
foldKeymap,
HighlightStyle,
indentOnInput,
syntaxHighlighting,
} from '@codemirror/language';
import { oneDark } from '@codemirror/theme-one-dark';
import { tags } from '@lezer/highlight';
import {
autocompletion,
completionKeymap,
} from '@codemirror/autocomplete';
import type { ScriptCodeEditorProps, LanguageConfig } from './types';
import { createCompletionSource } from './autocomplete';
import { resolveLanguageConfig } from './languages';
import { TypePanel } from './type-panel';
import { Toolbar } from './components/toolbar';
import { ExpandSidebarButton } from './components/expand-sidebar-button';
const darkHighlightStyle = HighlightStyle.define([
{ tag: tags.keyword, color: '#c678dd' },
{ tag: tags.operator, color: '#56b6c2' },
{ tag: tags.variableName, color: '#e5c07b' },
{ tag: tags.string, color: '#98c379' },
{ tag: tags.comment, color: '#5c6370', fontStyle: 'italic' },
{ tag: tags.number, color: '#d19a66' },
{ tag: tags.bool, color: '#d19a66' },
{ tag: tags.null, color: '#d19a66' },
{ tag: tags.propertyName, color: '#e06c75' },
{ tag: tags.function(tags.variableName), color: '#61afef' },
{ tag: tags.definition(tags.variableName), color: '#e5c07b' },
{ tag: tags.typeName, color: '#e5c07b' },
{ tag: tags.className, color: '#e5c07b' },
{ tag: tags.annotation, color: '#d19a66' },
]);
function buildThemeExtensions(theme: 'dark' | 'light'): Extension[] {
const isDark = theme === 'dark';
const exts: Extension[] = [];
if (isDark) {
exts.push(oneDark);
exts.push(syntaxHighlighting(darkHighlightStyle));
} else {
exts.push(syntaxHighlighting(defaultHighlightStyle));
}
exts.push(
EditorView.theme({
'.cm-tooltip.cm-tooltip-autocomplete': {
backgroundColor: isDark ? '#21252b' : '#ffffff',
borderColor: isDark ? '#434343' : '#d9d9d9',
borderRadius: '4px',
boxShadow: '0 2px 8px rgba(0,0,0,0.15)',
overflow: 'hidden',
},
'.cm-tooltip-autocomplete > ul > li': {
padding: '4px 8px',
color: isDark ? '#abb2bf' : '#333',
},
'.cm-tooltip-autocomplete > ul > li[aria-selected]': {
backgroundColor: isDark ? '#2c313a' : '#e6f4ff',
color: isDark ? '#fff' : '#000',
},
'.cm-completionLabel': { fontFamily: 'monospace' },
'.cm-completionDetail': {
color: isDark ? '#7f848e' : '#888',
fontStyle: 'normal',
marginLeft: '8px',
},
'.cm-completionInfo': {
backgroundColor: isDark ? '#282c34' : '#fafafa',
borderColor: isDark ? '#434343' : '#d9d9d9',
color: isDark ? '#abb2bf' : '#333',
padding: '6px 8px',
},
'.cm-completionIcon': { width: '1.2em', fontSize: '0.9em', paddingRight: '4px' },
'.cm-completionIcon-property::after': { content: '"F"', color: '#61afef' },
'.cm-completionIcon-function::after': { content: '"M"', color: '#c678dd' },
'.cm-completionIcon-variable::after': { content: '"V"', color: '#e5c07b' },
'.cm-completionIcon-keyword::after': { content: '"K"', color: '#56b6c2' },
})
);
return exts;
}
function buildAutocompleteExt(
languageConfig: LanguageConfig,
metadata: ScriptCodeEditorProps['metadata']
): Extension {
return autocompletion({
override: [createCompletionSource(languageConfig, metadata)],
activateOnTyping: true,
icons: true,
});
}
/** 构建布局扩展 — 全屏时取消高度限制 */
function buildLayoutExtensions(
fontSize: number,
minHeight: number,
maxHeight: number,
isFullscreen: boolean
): Extension {
if (isFullscreen) {
return EditorView.theme({
'&': { fontSize: `${fontSize}px`, height: '100%' },
'.cm-scroller': {
overflow: 'auto',
flex: '1',
minHeight: '0',
},
'.cm-content': { fontFamily: 'monospace' },
});
}
return EditorView.theme({
'&': { fontSize: `${fontSize}px` },
'.cm-scroller': {
overflow: 'auto',
minHeight: `${minHeight}px`,
maxHeight: `${maxHeight}px`,
},
'.cm-content': { fontFamily: 'monospace', minHeight: `${minHeight}px` },
'.cm-gutters': { minHeight: `${minHeight}px` },
});
}
export const ScriptCodeEditor: React.FC<ScriptCodeEditorProps> = (props) => {
const {
value,
readonly = false,
onChange,
onCompile,
onFormat,
onThemeChange,
language = 'groovy',
placeholder,
defaultTheme,
title,
metadata,
defaultSidebarOpen,
enableThemeToggle,
enableFormat,
enableCompile,
enableFullscreen,
toolbar,
toolbarExtra,
options = {},
} = props;
const { fontSize = 14, minHeight = 300, maxHeight = 300 } = options;
// 解析语言配置（字符串名或自定义 LanguageConfig）
const languageConfig = resolveLanguageConfig(language);
const effectivePlaceholder = placeholder ?? languageConfig.placeholder ?? '';
// 合并格式化器：onFormat prop 优先，fallback 到 languageConfig.formatter
const effectiveFormatter = onFormat ?? (
languageConfig.formatter
? (code: string) => languageConfig.formatter!(code)
: undefined
);
// 内部主题状态（prop 仅作初始值）
const [internalTheme, setInternalTheme] = useState<'dark' | 'light'>(defaultTheme ?? 'dark');
// 外部 defaultTheme prop 变化时同步内部状态
useEffect(() => {
if (defaultTheme !== undefined) {
setInternalTheme(defaultTheme);
}
}, [defaultTheme]);
const editorContainerRef = useRef<HTMLDivElement>(null);
const viewRef = useRef<EditorView | null>(null);
const themeCompartmentRef = useRef(new Compartment());
const autocompleteCompartmentRef = useRef(new Compartment());
const layoutCompartmentRef = useRef(new Compartment());
const languageCompartmentRef = useRef(new Compartment());
// 用 ref 持有回调，避免闭包过期
const onChangeRef = useRef(onChange);
onChangeRef.current = onChange;
const metadataRef = useRef(metadata);
metadataRef.current = metadata;
// 侧边栏状态
const [sidebarOpen, setSidebarOpen] = useState(
defaultSidebarOpen ?? (metadata != null)
);
const [panelWidth, setPanelWidth] = useState(300);
// 全屏状态
const [isFullscreen, setIsFullscreen] = useState(false);
// ── 全屏时锁定 body 滚动 ──────────────────────────────
useEffect(() => {
if (isFullscreen) {
const prev = document.body.style.overflow;
document.body.style.overflow = 'hidden';
return () => { document.body.style.overflow = prev; };
}
}, [isFullscreen]);
// ── ESC 键退出全屏 ──────────────────────────────────────
useEffect(() => {
if (!isFullscreen) return;
const handleKeyDown = (e: KeyboardEvent) => {
if (e.key === 'Escape') setIsFullscreen(false);
};
document.addEventListener('keydown', handleKeyDown);
return () => document.removeEventListener('keydown', handleKeyDown);
}, [isFullscreen]);
// ── 创建编辑器（仅在首次挂载和布局属性变化时） ──────────
useEffect(() => {
if (!editorContainerRef.current) return;
const themeCompartment = themeCompartmentRef.current;
const acCompartment = autocompleteCompartmentRef.current;
const layoutCompartment = layoutCompartmentRef.current;
const langCompartment = languageCompartmentRef.current;
const extensions: Extension[] = [
lineNumbers(),
highlightActiveLineGutter(),
highlightSpecialChars(),
history(),
foldGutter(),
drawSelection(),
dropCursor(),
EditorState.allowMultipleSelections.of(true),
indentOnInput(),
bracketMatching(),
rectangularSelection(),
crosshairCursor(),
highlightActiveLine(),
keymap.of([
...defaultKeymap,
...historyKeymap,
...foldKeymap,
...completionKeymap,
indentWithTab,
]),
// 语言扩展放入 compartment，切换语言时热更新不重建编辑器
langCompartment.of(languageConfig.extension()),
cmPlaceholder(effectivePlaceholder),
EditorView.updateListener.of((update) => {
if (update.docChanged && onChangeRef.current) {
onChangeRef.current(update.state.doc.toString());
}
}),
// 布局扩展放入 compartment，全屏时热更新高度约束
layoutCompartment.of(buildLayoutExtensions(fontSize, minHeight, maxHeight, false)),
// 主题相关扩展放入 compartment，热更新不重建编辑器
themeCompartment.of(buildThemeExtensions(internalTheme)),
// 自动补全放入 compartment
acCompartment.of(buildAutocompleteExt(languageConfig, metadataRef.current)),
];
if (readonly) {
extensions.push(EditorState.readOnly.of(true));
}
const state = EditorState.create({ doc: value, extensions });
const view = new EditorView({ state, parent: editorContainerRef.current });
viewRef.current = view;
return () => { view.destroy(); };
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [fontSize, minHeight, maxHeight, effectivePlaceholder, readonly]);
// ── 同步外部 value 变化 ──────────────────────────────────
useEffect(() => {
if (viewRef.current && value !== viewRef.current.state.doc.toString()) {
viewRef.current.dispatch({
changes: {
from: 0,
to: viewRef.current.state.doc.length,
insert: value,
},
});
}
}, [value]);
// ── theme 变化时热更新（不重建编辑器） ──────────────────
useEffect(() => {
if (!viewRef.current) return;
viewRef.current.dispatch({
effects: themeCompartmentRef.current.reconfigure(
buildThemeExtensions(internalTheme)
),
});
}, [internalTheme]);
// ── metadata 变化时热更新补全源 ──────────────────────────
useEffect(() => {
if (!viewRef.current) return;
viewRef.current.dispatch({
effects: autocompleteCompartmentRef.current.reconfigure(
buildAutocompleteExt(languageConfig, metadata)
),
});
}, [metadata, languageConfig]);
// ── language 变化时热更新语言扩展和补全源（不重建编辑器） ──
useEffect(() => {
if (!viewRef.current) return;
viewRef.current.dispatch({
effects: [
languageCompartmentRef.current.reconfigure(languageConfig.extension()),
autocompleteCompartmentRef.current.reconfigure(
buildAutocompleteExt(languageConfig, metadata)
),
],
});
}, [languageConfig]);
// ── 全屏/尺寸变化时热更新布局约束（不重建编辑器） ────────
useEffect(() => {
if (!viewRef.current) return;
viewRef.current.dispatch({
effects: layoutCompartmentRef.current.reconfigure(
buildLayoutExtensions(fontSize, minHeight, maxHeight, isFullscreen)
),
});
requestAnimationFrame(() => {
viewRef.current?.requestMeasure();
});
}, [isFullscreen, fontSize, minHeight, maxHeight]);
// ── 渲染 ──────────────────────────────────────────────────
const isDark = internalTheme === 'dark';
const borderColor = isDark ? '#434343' : '#d9d9d9';
const expandBtnBg = isDark ? '#2c313a' : '#f0f0f0';
const expandBtnColor = isDark ? '#abb2bf' : '#666';
const handleCompile = () => {
if (onCompile && viewRef.current) {
onCompile(viewRef.current.state.doc.toString());
}
};
const handleFormat = () => {
if (!viewRef.current) return;
const code = viewRef.current.state.doc.toString();
const formatter = effectiveFormatter;
if (!formatter) return;
const formatted = formatter(code);
if (typeof formatted === 'string' && formatted !== code) {
viewRef.current.dispatch({
changes: { from: 0, to: viewRef.current.state.doc.length, insert: formatted },
});
}
};
return (
<div
className="script-editor"
style={
isFullscreen
? {
position: 'fixed',
top: 0,
left: 0,
right: 0,
bottom: 0,
zIndex: 9999,
backgroundColor: isDark ? '#21252b' : '#ffffff',
display: 'flex',
flexDirection: 'column',
}
: { display: 'flex', flexDirection: 'column' }
}
>
{/* ── 工具栏 ─────────────────────────────────────── */}
<Toolbar
title={title}
theme={internalTheme}
onThemeChange={(next) => {
setInternalTheme(next);
onThemeChange?.(next);
}}
enableThemeToggle={enableThemeToggle}
enableFormat={enableFormat}
onFormat={readonly || !effectiveFormatter ? undefined : (onFormat ?? handleFormat)}
enableCompile={enableCompile}
onCompile={onCompile ? handleCompile : undefined}
enableFullscreen={enableFullscreen}
isFullscreen={isFullscreen}
onToggleFullscreen={() => setIsFullscreen((prev) => !prev)}
toolbar={toolbar}
toolbarExtra={toolbarExtra}
description={metadata?.description}
/>
{/* ── 编辑器 + 侧边栏 ───────────────────────────── */}
<div
className="script-editor-body"
style={{
display: 'flex',
border: `1px solid ${borderColor}`,
borderTop: 'none',
borderRadius: isFullscreen ? 0 : '0 0 6px 6px',
overflow: 'hidden',
flex: isFullscreen ? 1 : undefined,
minHeight: isFullscreen ? 0 : undefined,
}}
>
<div className="script-editor-code" style={{ flex: 1, minWidth: 0, position: 'relative' }}>
{metadata && !sidebarOpen && (
<ExpandSidebarButton
borderColor={borderColor}
expandBtnColor={expandBtnColor}
expandBtnBg={expandBtnBg}
onClick={() => setSidebarOpen(true)}
/>
)}
<div
ref={editorContainerRef}
className="script-editor-codemirror"
style={isFullscreen ? { height: '100%' } : undefined}
/>
</div>
{metadata && sidebarOpen && (
<TypePanel
metadata={metadata}
theme={internalTheme}
minHeight={isFullscreen ? undefined : minHeight}
maxHeight={isFullscreen ? undefined : maxHeight}
width={panelWidth}
onWidthChange={setPanelWidth}
onCollapse={() => setSidebarOpen(false)}
/>
)}
</div>
</div>
);
};