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feat: 支持从文件树拖拽到输入框生成 ContextMention Chip #159

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feat: 支持从文件树拖拽到输入框生成 ContextMention Chip #159

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32 changes: 32 additions & 0 deletions src/components/ai-elements/file-tree.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,9 @@ import {
useState,
} from "react";

const TREE_PATH_MIME = "application/x-codepilot-path";
const TREE_PATH_FALLBACK_MIME = "text/x-codepilot-path";

interface FileTreeContextType {
expandedPaths: Set<string>;
togglePath: (path: string) => void;
Expand Down Expand Up @@ -132,6 +135,17 @@ export const FileTreeFolder = ({
togglePath(path);
}, [togglePath, path]);

const handleDragStart = useCallback(
(e: React.DragEvent) => {
const payload = JSON.stringify({ path, name, type: "directory" });
e.dataTransfer.setData(TREE_PATH_MIME, payload);
e.dataTransfer.setData(TREE_PATH_FALLBACK_MIME, payload);
e.dataTransfer.setData("text/plain", path);
e.dataTransfer.effectAllowed = "copy";
},
[path, name]
);

const folderContextValue = useMemo(
() => ({ isExpanded, name, path }),
[isExpanded, name, path]
Expand All @@ -148,6 +162,8 @@ export const FileTreeFolder = ({
>
<div
className="flex w-full items-center gap-1 rounded px-2 py-1 text-left transition-colors hover:bg-muted/50"
draggable
onDragStart={handleDragStart}
>
<CollapsibleTrigger asChild>
<button
Expand Down Expand Up @@ -232,6 +248,17 @@ export const FileTreeFile = ({

const fileContextValue = useMemo(() => ({ name, path }), [name, path]);

const handleDragStart = useCallback(
(e: React.DragEvent) => {
const payload = JSON.stringify({ path, name, type: "file" });
e.dataTransfer.setData(TREE_PATH_MIME, payload);
e.dataTransfer.setData(TREE_PATH_FALLBACK_MIME, payload);
e.dataTransfer.setData("text/plain", path);
e.dataTransfer.effectAllowed = "copy";
},
[path, name]
);

return (
<FileTreeFileContext.Provider value={fileContextValue}>
<div
Expand All @@ -242,6 +269,8 @@ export const FileTreeFile = ({
)}
onClick={handleClick}
onKeyDown={handleKeyDown}
draggable
onDragStart={handleDragStart}
role="treeitem"
tabIndex={0}
{...props}
Expand All @@ -255,7 +284,10 @@ export const FileTreeFile = ({
{onAdd && (
<button
type="button"
draggable={false}
className="ml-auto flex size-5 shrink-0 items-center justify-center rounded opacity-0 transition-opacity hover:bg-muted group-hover/file:opacity-100"
onMouseDown={(e) => e.stopPropagation()}
onPointerDown={(e) => e.stopPropagation()}
onClick={handleAdd}
title="Add to chat"
>
Expand Down
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