From 6e32d4aed56a605c42e77e5f4b931d567dbed7a7 Mon Sep 17 00:00:00 2001
From: Maze Winther <mazewinther@gmail.com>
Date: Sun, 31 Aug 2025 21:54:42 +0200
Subject: refactor: move timeline toolbar to separate file

---
 .../editor/timeline/timeline-toolbar.tsx           | 413 +++++++++++++++++++++
 1 file changed, 413 insertions(+)
 create mode 100644 apps/web/src/components/editor/timeline/timeline-toolbar.tsx

(limited to 'apps/web/src/components/editor/timeline/timeline-toolbar.tsx')

diff --git a/apps/web/src/components/editor/timeline/timeline-toolbar.tsx b/apps/web/src/components/editor/timeline/timeline-toolbar.tsx
new file mode 100644
index 00000000..6548e71b
--- /dev/null
+++ b/apps/web/src/components/editor/timeline/timeline-toolbar.tsx
@@ -0,0 +1,413 @@
+import { usePlaybackStore } from "@/stores/playback-store";
+import { useProjectStore } from "@/stores/project-store";
+import { useTimelineStore } from "@/stores/timeline-store";
+import { toast } from "sonner";
+import {
+  TooltipProvider,
+  Tooltip,
+  TooltipTrigger,
+  TooltipContent,
+} from "@/components/ui/tooltip";
+import { Button } from "@/components/ui/button";
+import {
+  Pause,
+  Play,
+  SkipBack,
+  Bookmark,
+  Magnet,
+  Link,
+  ZoomOut,
+  ZoomIn,
+  Copy,
+  Trash2,
+  Snowflake,
+  ArrowLeftToLine,
+  ArrowRightToLine,
+  SplitSquareHorizontal,
+  Scissors,
+} from "lucide-react";
+import { Slider } from "@/components/ui/slider";
+import { DEFAULT_FPS } from "@/stores/project-store";
+import { formatTimeCode } from "@/lib/time";
+import { TIMELINE_CONSTANTS } from "@/constants/timeline-constants";
+import { EditableTimecode } from "@/components/ui/editable-timecode";
+
+export function TimelineToolbar({
+  zoomLevel,
+  setZoomLevel,
+}: {
+  zoomLevel: number;
+  setZoomLevel: (zoom: number) => void;
+}) {
+  const {
+    tracks,
+    addTrack,
+    addElementToTrack,
+    removeElementFromTrack,
+    removeElementFromTrackWithRipple,
+    selectedElements,
+    clearSelectedElements,
+    splitElement,
+    splitAndKeepLeft,
+    splitAndKeepRight,
+    separateAudio,
+    snappingEnabled,
+    toggleSnapping,
+    rippleEditingEnabled,
+    toggleRippleEditing,
+  } = useTimelineStore();
+  const { currentTime, duration, isPlaying, toggle, seek } = usePlaybackStore();
+  const { toggleBookmark, isBookmarked, activeProject } = useProjectStore();
+
+  const handleSplitSelected = () => {
+    if (selectedElements.length === 0) return;
+    let splitCount = 0;
+    selectedElements.forEach(({ trackId, elementId }) => {
+      const track = tracks.find((t) => t.id === trackId);
+      const element = track?.elements.find((c) => c.id === elementId);
+      if (element && track) {
+        const effectiveStart = element.startTime;
+        const effectiveEnd =
+          element.startTime +
+          (element.duration - element.trimStart - element.trimEnd);
+        if (currentTime > effectiveStart && currentTime < effectiveEnd) {
+          const newElementId = splitElement(trackId, elementId, currentTime);
+          if (newElementId) splitCount++;
+        }
+      }
+    });
+    if (splitCount === 0) {
+      toast.error("Playhead must be within selected elements to split");
+    }
+  };
+
+  const handleDuplicateSelected = () => {
+    if (selectedElements.length === 0) return;
+    const canDuplicate = selectedElements.length === 1;
+    if (!canDuplicate) return;
+
+    selectedElements.forEach(({ trackId, elementId }) => {
+      const track = tracks.find((t) => t.id === trackId);
+      const element = track?.elements.find((el) => el.id === elementId);
+      if (element) {
+        const newStartTime =
+          element.startTime +
+          (element.duration - element.trimStart - element.trimEnd) +
+          0.1;
+        const { id, ...elementWithoutId } = element;
+        addElementToTrack(trackId, {
+          ...elementWithoutId,
+          startTime: newStartTime,
+        });
+      }
+    });
+    clearSelectedElements();
+  };
+
+  const handleFreezeSelected = () => {
+    toast.info("Freeze frame functionality coming soon!");
+  };
+
+  const handleSplitAndKeepLeft = () => {
+    if (selectedElements.length !== 1) {
+      toast.error("Select exactly one element");
+      return;
+    }
+    const { trackId, elementId } = selectedElements[0];
+    const track = tracks.find((t) => t.id === trackId);
+    const element = track?.elements.find((c) => c.id === elementId);
+    if (!element) return;
+    const effectiveStart = element.startTime;
+    const effectiveEnd =
+      element.startTime +
+      (element.duration - element.trimStart - element.trimEnd);
+    if (currentTime <= effectiveStart || currentTime >= effectiveEnd) {
+      toast.error("Playhead must be within selected element");
+      return;
+    }
+    splitAndKeepLeft(trackId, elementId, currentTime);
+  };
+
+  const handleSplitAndKeepRight = () => {
+    if (selectedElements.length !== 1) {
+      toast.error("Select exactly one element");
+      return;
+    }
+    const { trackId, elementId } = selectedElements[0];
+    const track = tracks.find((t) => t.id === trackId);
+    const element = track?.elements.find((c) => c.id === elementId);
+    if (!element) return;
+    const effectiveStart = element.startTime;
+    const effectiveEnd =
+      element.startTime +
+      (element.duration - element.trimStart - element.trimEnd);
+    if (currentTime <= effectiveStart || currentTime >= effectiveEnd) {
+      toast.error("Playhead must be within selected element");
+      return;
+    }
+    splitAndKeepRight(trackId, elementId, currentTime);
+  };
+
+  const handleSeparateAudio = () => {
+    if (selectedElements.length !== 1) {
+      toast.error("Select exactly one media element to separate audio");
+      return;
+    }
+    const { trackId, elementId } = selectedElements[0];
+    const track = tracks.find((t) => t.id === trackId);
+    if (!track || track.type !== "media") {
+      toast.error("Select a media element to separate audio");
+      return;
+    }
+    separateAudio(trackId, elementId);
+  };
+
+  const handleDeleteSelected = () => {
+    if (selectedElements.length === 0) return;
+    selectedElements.forEach(({ trackId, elementId }) => {
+      if (rippleEditingEnabled) {
+        removeElementFromTrackWithRipple(trackId, elementId);
+      } else {
+        removeElementFromTrack(trackId, elementId);
+      }
+    });
+    clearSelectedElements();
+  };
+
+  const handleZoomIn = () => {
+    setZoomLevel(Math.min(4, zoomLevel + 0.25));
+  };
+
+  const handleZoomOut = () => {
+    setZoomLevel(Math.max(0.25, zoomLevel - 0.25));
+  };
+
+  const handleZoomSliderChange = (values: number[]) => {
+    setZoomLevel(values[0]);
+  };
+
+  const handleToggleBookmark = async () => {
+    await toggleBookmark(currentTime);
+  };
+
+  const currentBookmarked = isBookmarked(currentTime);
+  return (
+    <div className=" flex items-center justify-between px-2 py-1">
+      <div className="flex items-center gap-1 w-full">
+        <TooltipProvider delayDuration={500}>
+          <Tooltip>
+            <TooltipTrigger asChild>
+              <Button
+                variant="text"
+                size="icon"
+                onClick={toggle}
+                className="mr-2"
+              >
+                {isPlaying ? (
+                  <Pause className="h-4 w-4" />
+                ) : (
+                  <Play className="h-4 w-4" />
+                )}
+              </Button>
+            </TooltipTrigger>
+            <TooltipContent>
+              {isPlaying ? "Pause (Space)" : "Play (Space)"}
+            </TooltipContent>
+          </Tooltip>
+          <Tooltip>
+            <TooltipTrigger asChild>
+              <Button
+                variant="text"
+                size="icon"
+                onClick={() => seek(0)}
+                className="mr-2"
+              >
+                <SkipBack className="h-4 w-4" />
+              </Button>
+            </TooltipTrigger>
+            <TooltipContent>Return to Start (Home / Enter)</TooltipContent>
+          </Tooltip>
+          <div className="w-px h-6 bg-border mx-1" />
+          {/* Time Display */}
+          <div className="flex flex-row items-center justify-center px-2">
+            <EditableTimecode
+              time={currentTime}
+              duration={duration}
+              format="HH:MM:SS:FF"
+              fps={activeProject?.fps ?? DEFAULT_FPS}
+              onTimeChange={seek}
+              className="text-center"
+            />
+            <div className="text-xs text-muted-foreground font-mono px-2">
+              /
+            </div>
+            <div className="text-xs text-muted-foreground font-mono text-center">
+              {formatTimeCode(duration, "HH:MM:SS:FF")}
+            </div>
+          </div>
+          {tracks.length === 0 && (
+            <>
+              <div className="w-px h-6 bg-border mx-1" />
+              <Tooltip>
+                <TooltipTrigger asChild>
+                  <Button
+                    variant="outline"
+                    size="sm"
+                    onClick={() => {
+                      const trackId = addTrack("media");
+                      addElementToTrack(trackId, {
+                        type: "media",
+                        mediaId: "test",
+                        name: "Test Clip",
+                        duration: TIMELINE_CONSTANTS.DEFAULT_TEXT_DURATION,
+                        startTime: 0,
+                        trimStart: 0,
+                        trimEnd: 0,
+                      });
+                    }}
+                    className="text-xs"
+                  >
+                    Add Test Clip
+                  </Button>
+                </TooltipTrigger>
+                <TooltipContent>Add a test clip to try playback</TooltipContent>
+              </Tooltip>
+            </>
+          )}
+          <div className="w-px h-6 bg-border mx-1" />
+          <Tooltip>
+            <TooltipTrigger asChild>
+              <Button variant="text" size="icon" onClick={handleSplitSelected}>
+                <Scissors className="h-4 w-4" />
+              </Button>
+            </TooltipTrigger>
+            <TooltipContent>Split element (Ctrl+S)</TooltipContent>
+          </Tooltip>
+          <Tooltip>
+            <TooltipTrigger asChild>
+              <Button
+                variant="text"
+                size="icon"
+                onClick={handleSplitAndKeepLeft}
+              >
+                <ArrowLeftToLine className="h-4 w-4" />
+              </Button>
+            </TooltipTrigger>
+            <TooltipContent>Split and keep left (Ctrl+Q)</TooltipContent>
+          </Tooltip>
+          <Tooltip>
+            <TooltipTrigger asChild>
+              <Button
+                variant="text"
+                size="icon"
+                onClick={handleSplitAndKeepRight}
+              >
+                <ArrowRightToLine className="h-4 w-4" />
+              </Button>
+            </TooltipTrigger>
+            <TooltipContent>Split and keep right (Ctrl+W)</TooltipContent>
+          </Tooltip>
+          <Tooltip>
+            <TooltipTrigger asChild>
+              <Button variant="text" size="icon" onClick={handleSeparateAudio}>
+                <SplitSquareHorizontal className="h-4 w-4" />
+              </Button>
+            </TooltipTrigger>
+            <TooltipContent>Separate audio (Ctrl+D)</TooltipContent>
+          </Tooltip>
+          <Tooltip>
+            <TooltipTrigger asChild>
+              <Button
+                variant="text"
+                size="icon"
+                onClick={handleDuplicateSelected}
+              >
+                <Copy className="h-4 w-4" />
+              </Button>
+            </TooltipTrigger>
+            <TooltipContent>Duplicate element (Ctrl+D)</TooltipContent>
+          </Tooltip>
+          <Tooltip>
+            <TooltipTrigger asChild>
+              <Button variant="text" size="icon" onClick={handleFreezeSelected}>
+                <Snowflake className="h-4 w-4" />
+              </Button>
+            </TooltipTrigger>
+            <TooltipContent>Freeze frame (F)</TooltipContent>
+          </Tooltip>
+          <Tooltip>
+            <TooltipTrigger asChild>
+              <Button variant="text" size="icon" onClick={handleDeleteSelected}>
+                <Trash2 className="h-4 w-4" />
+              </Button>
+            </TooltipTrigger>
+            <TooltipContent>Delete element (Delete)</TooltipContent>
+          </Tooltip>
+          <div className="w-px h-6 bg-border mx-1" />
+          <Tooltip>
+            <TooltipTrigger asChild>
+              <Button variant="text" size="icon" onClick={handleToggleBookmark}>
+                <Bookmark
+                  className={`h-4 w-4 ${currentBookmarked ? "fill-primary text-primary" : ""}`}
+                />
+              </Button>
+            </TooltipTrigger>
+            <TooltipContent>
+              {currentBookmarked ? "Remove bookmark" : "Add bookmark"}
+            </TooltipContent>
+          </Tooltip>
+        </TooltipProvider>
+      </div>
+      <div className="flex items-center gap-1">
+        <TooltipProvider delayDuration={500}>
+          <Tooltip>
+            <TooltipTrigger asChild>
+              <Button variant="text" size="icon" onClick={toggleSnapping}>
+                {snappingEnabled ? (
+                  <Magnet className="h-4 w-4 text-primary" />
+                ) : (
+                  <Magnet className="h-4 w-4" />
+                )}
+              </Button>
+            </TooltipTrigger>
+            <TooltipContent>Auto snapping</TooltipContent>
+          </Tooltip>
+          <Tooltip>
+            <TooltipTrigger asChild>
+              <Button variant="text" size="icon" onClick={toggleRippleEditing}>
+                <Link
+                  className={`h-4 w-4 ${
+                    rippleEditingEnabled ? "text-primary" : ""
+                  }`}
+                />
+              </Button>
+            </TooltipTrigger>
+            <TooltipContent>
+              {rippleEditingEnabled
+                ? "Disable Ripple Editing"
+                : "Enable Ripple Editing"}
+            </TooltipContent>
+          </Tooltip>
+        </TooltipProvider>
+
+        <div className="h-6 w-px bg-border mx-1" />
+        <div className="flex items-center gap-1">
+          <Button variant="text" size="icon" onClick={handleZoomOut}>
+            <ZoomOut className="h-4 w-4" />
+          </Button>
+          <Slider
+            className="w-24"
+            value={[zoomLevel]}
+            onValueChange={handleZoomSliderChange}
+            min={0.25}
+            max={4}
+            step={0.25}
+          />
+          <Button variant="text" size="icon" onClick={handleZoomIn}>
+            <ZoomIn className="h-4 w-4" />
+          </Button>
+        </div>
+      </div>
+    </div>
+  );
+}
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