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"use client";
import { useState } from "react";
import { Button } from "./ui/button";
import {
Dialog,
DialogContent,
DialogDescription,
DialogHeader,
DialogTitle,
DialogTrigger,
} from "./ui/dialog";
import { Badge } from "./ui/badge";
import { Keyboard, Play, Pause, SkipBack, SkipForward } from "lucide-react";
interface Shortcut {
keys: string[];
description: string;
category: string;
icon?: React.ReactNode;
}
const shortcuts: Shortcut[] = [
// Playback Controls
{
keys: ["Space"],
description: "Play/Pause",
category: "Playback",
icon: <Play className="w-3 h-3" />
},
{
keys: ["J"],
description: "Rewind 1 second",
category: "Playback",
icon: <SkipBack className="w-3 h-3" />
},
{
keys: ["K"],
description: "Play/Pause (alternative)",
category: "Playback",
icon: <Pause className="w-3 h-3" />
},
{
keys: ["L"],
description: "Fast forward 1 second",
category: "Playback",
icon: <SkipForward className="w-3 h-3" />
},
// Navigation
{
keys: ["←"],
description: "Frame step backward",
category: "Navigation"
},
{
keys: ["→"],
description: "Frame step forward",
category: "Navigation"
},
{
keys: ["Shift", "←"],
description: "Jump back 5 seconds",
category: "Navigation"
},
{
keys: ["Shift", "→"],
description: "Jump forward 5 seconds",
category: "Navigation"
},
{
keys: ["Home"],
description: "Go to timeline start",
category: "Navigation"
},
{
keys: ["End"],
description: "Go to timeline end",
category: "Navigation"
},
// Editing
{
keys: ["S"],
description: "Split element at playhead",
category: "Editing"
},
{
keys: ["Delete", "Backspace"],
description: "Delete selected elements",
category: "Editing"
},
{
keys: ["N"],
description: "Toggle snapping",
category: "Editing"
},
// Selection & Organization
{
keys: ["Cmd", "A"],
description: "Select all elements",
category: "Selection"
},
{
keys: ["Cmd", "D"],
description: "Duplicate selected element",
category: "Selection"
},
// History
{
keys: ["Cmd", "Z"],
description: "Undo",
category: "History"
},
{
keys: ["Cmd", "Shift", "Z"],
description: "Redo",
category: "History"
},
{
keys: ["Cmd", "Y"],
description: "Redo (alternative)",
category: "History"
}
];
const KeyBadge = ({ keyName }: { keyName: string }) => {
// Replace common key names with symbols
const displayKey = keyName
.replace("Cmd", "⌘")
.replace("Shift", "⇧")
.replace("←", "◀")
.replace("→", "▶")
.replace("Space", "⎵");
return (
<Badge variant="secondary" className="font-mono text-xs px-2 py-1">
{displayKey}
</Badge>
);
};
const ShortcutItem = ({ shortcut }: { shortcut: Shortcut }) => (
<div className="flex items-center justify-between py-2 px-3 rounded-lg hover:bg-muted/50">
<div className="flex items-center gap-3">
{shortcut.icon && (
<div className="text-muted-foreground">{shortcut.icon}</div>
)}
<span className="text-sm">{shortcut.description}</span>
</div>
<div className="flex items-center gap-1">
{shortcut.keys.map((key, index) => (
<div key={index} className="flex items-center gap-1">
<KeyBadge keyName={key} />
{index < shortcut.keys.length - 1 && (
<span className="text-xs text-muted-foreground">+</span>
)}
</div>
))}
</div>
</div>
);
export const KeyboardShortcutsHelp = () => {
const [open, setOpen] = useState(false);
const categories = Array.from(new Set(shortcuts.map(s => s.category)));
return (
<Dialog open={open} onOpenChange={setOpen}>
<DialogTrigger asChild>
<Button variant="text" size="sm" className="gap-2">
<Keyboard className="w-4 h-4" />
Shortcuts
</Button>
</DialogTrigger>
<DialogContent className="max-w-2xl max-h-[80vh] overflow-y-auto">
<DialogHeader>
<DialogTitle className="flex items-center gap-2">
<Keyboard className="w-5 h-5" />
Keyboard Shortcuts
</DialogTitle>
<DialogDescription>
Speed up your video editing workflow with these keyboard shortcuts.
Most shortcuts work when the timeline is focused.
</DialogDescription>
</DialogHeader>
<div className="space-y-6">
{categories.map(category => (
<div key={category}>
<h3 className="font-semibold text-sm text-muted-foreground uppercase tracking-wide mb-3">
{category}
</h3>
<div className="space-y-1">
{shortcuts
.filter(shortcut => shortcut.category === category)
.map((shortcut, index) => (
<ShortcutItem key={index} shortcut={shortcut} />
))}
</div>
</div>
))}
</div>
<div className="mt-6 p-4 bg-muted/30 rounded-lg">
<h4 className="font-medium text-sm mb-2">Tips:</h4>
<ul className="text-sm text-muted-foreground space-y-1">
<li>• Shortcuts work when the editor is focused (not typing in inputs)</li>
<li>• J/K/L are industry-standard video editing shortcuts</li>
<li>• Use arrow keys for frame-perfect positioning</li>
<li>• Hold Shift with arrow keys for larger jumps</li>
</ul>
</div>
</DialogContent>
</Dialog>
);
};
|
