presenton/servers/nextjs/app/(presentation-generator)/components/ImageEditor.tsx
2025-06-23 15:13:04 +05:45

665 lines
23 KiB
TypeScript

"use client";
import React, { useEffect, useState, useRef } from "react";
import {
Sheet,
SheetContent,
SheetHeader,
SheetTitle,
} from "@/components/ui/sheet";
import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/components/ui/tabs";
import { Button } from "@/components/ui/button";
import { Textarea } from "@/components/ui/textarea";
import {
Wand2,
Upload,
Edit,
Move,
Maximize,
} from "lucide-react";
import { cn } from "@/lib/utils";
import { useDispatch, useSelector } from "react-redux";
import { PresentationGenerationApi } from "../services/api/presentation-generation";
import { RootState } from "@/store/store";
import { useSearchParams } from "next/navigation";
import { Skeleton } from "@/components/ui/skeleton";
import {
updateSlideImage,
updateSlideProperties,
} from "@/store/slices/presentationGeneration";
import { getStaticFileUrl, ThemeImagePrompt } from "../utils/others";
import {
Popover,
PopoverContent,
PopoverTrigger,
} from "@/components/ui/popover";
import ToolTip from "@/components/ToolTip";
interface ImageEditorProps {
initialImage: string | null;
imageIdx?: number;
title: string;
slideIndex: number;
elementId: string;
className?: string;
promptContent?: string;
properties?: null | any;
}
const ImageEditor = ({
initialImage,
imageIdx = 0,
className,
title,
slideIndex,
elementId,
promptContent,
properties,
}: ImageEditorProps) => {
const dispatch = useDispatch();
const { currentTheme } = useSelector((state: RootState) => state.theme);
const searchParams = useSearchParams();
const [image, setImage] = useState(initialImage);
const [previewImages, setPreviewImages] = useState([initialImage]);
const [isEditorOpen, setIsEditorOpen] = useState(false);
const [isToolbarOpen, setIsToolbarOpen] = useState(false);
const [prompt, setPrompt] = useState<string>("");
const [isGenerating, setIsGenerating] = useState(false);
const [error, setError] = useState<string | null>(null);
const [isUploading, setIsUploading] = useState(false);
const [uploadError, setUploadError] = useState<string | null>(null);
const [uploadedImageUrl, setUploadedImageUrl] = useState<string | null>(null);
const [isFocusPointMode, setIsFocusPointMode] = useState(false);
const [focusPoint, setFocusPoint] = useState(
(properties &&
properties[imageIdx] &&
properties[imageIdx].initialFocusPoint) || {
x: 50,
y: 50,
}
);
const [objectFit, setObjectFit] = useState<"cover" | "contain" | "fill">(
(properties &&
properties[imageIdx] &&
properties[imageIdx].initialObjectFit) ||
"cover"
);
const imageRef = useRef<HTMLImageElement>(null);
const imageContainerRef = useRef<HTMLDivElement>(null);
const toolbarRef = useRef<HTMLDivElement>(null);
const popoverContentRef = useRef<HTMLDivElement>(null);
useEffect(() => {
setImage(initialImage);
setPreviewImages([initialImage]);
}, [initialImage]);
// Close toolbar when clicking outside
useEffect(() => {
const handleClickOutside = (event: MouseEvent) => {
if (
imageContainerRef.current &&
!imageContainerRef.current.contains(event.target as Node) &&
toolbarRef.current &&
!toolbarRef.current.contains(event.target as Node) &&
!popoverContentRef.current
) {
setIsToolbarOpen(false);
if (isFocusPointMode) {
// saveFocusPoint(); // Save focus point before closing
saveImageProperties(objectFit, focusPoint);
}
setIsFocusPointMode(false);
}
};
document.addEventListener("mousedown", handleClickOutside);
return () => {
document.removeEventListener("mousedown", handleClickOutside);
};
}, [isFocusPointMode, focusPoint]);
const handleImageClick = () => {
if (!isFocusPointMode) {
setIsToolbarOpen(true);
}
};
const handleOpenEditor = () => {
setIsToolbarOpen(false);
setIsEditorOpen(true);
};
const handleImageChange = (newImage: string) => {
setImage(newImage);
dispatch(
updateSlideImage({
index: slideIndex,
imageIdx: imageIdx,
image: newImage,
})
);
setIsEditorOpen(false);
};
const handleFocusPointClick = (e: React.MouseEvent) => {
if (!isFocusPointMode || !imageRef.current) return;
const rect = imageRef.current.getBoundingClientRect();
const x = Math.max(
0,
Math.min(100, ((e.clientX - rect.left) / rect.width) * 100)
);
const y = Math.max(
0,
Math.min(100, ((e.clientY - rect.top) / rect.height) * 100)
);
setFocusPoint({ x, y });
saveImageProperties(objectFit, { x, y });
// Apply the focus point in real-time
if (imageRef.current) {
imageRef.current.style.objectPosition = `${x}% ${y}%`;
}
};
const toggleFocusPointMode = () => {
if (isFocusPointMode) {
// If turning off focus point mode, save the current focus point
// saveFocusPoint();
}
setIsFocusPointMode(!isFocusPointMode);
};
const handleFitChange = (fit: "cover" | "contain" | "fill") => {
setObjectFit(fit);
if (imageRef.current) {
imageRef.current.style.objectFit = fit;
}
// Save the fit change to your state
saveImageProperties(fit, focusPoint);
};
const saveImageProperties = (
fit: "cover" | "contain" | "fill",
focusPoint: { x: number; y: number }
) => {
const propertiesData = {
initialObjectFit: fit,
initialFocusPoint: focusPoint,
};
dispatch(
updateSlideProperties({
index: slideIndex,
itemIdx: imageIdx,
properties: propertiesData,
})
);
};
const handleGenerateImage = async () => {
try {
setIsGenerating(true);
setError(null);
const presentation_id = searchParams.get("id");
const response = await PresentationGenerationApi.generateImage({
presentation_id: presentation_id!,
prompt: {
theme_prompt: ThemeImagePrompt[currentTheme],
image_prompt: prompt,
aspect_ratio: "4:5",
},
});
setPreviewImages(response.paths);
} catch (err) {
setError("Failed to generate image. Please try again.");
} finally {
setIsGenerating(false);
}
};
const handleFileUpload = async (
event: React.ChangeEvent<HTMLInputElement>
) => {
const presentation_id = searchParams.get("id");
const file = event.target.files?.[0];
if (!file) return;
// Check file size (e.g., 5MB limit)
if (file.size > 5 * 1024 * 1024) {
const error_message = "File size should be less than 5MB";
setUploadError(error_message);
return;
}
// Check file type
if (!file.type.startsWith("image/")) {
const error_message = "Please upload an image file";
setUploadError(error_message);
return;
}
try {
setIsUploading(true);
setUploadError(null);
const formData = new FormData();
formData.append('file', file);
const response = await fetch('/api/upload-image', {
method: 'POST',
body: formData,
});
const result = await response.json();
if (!response.ok) {
throw new Error(result.error || 'Upload failed');
}
// Update state with the returned path
setUploadedImageUrl(result.filePath);
} catch (err) {
const error_message = "Failed to upload image. Please try again.";
setUploadError(error_message);
console.error("Upload error:", err);
} finally {
setIsUploading(false);
}
};
// Helper function to determine image URL
const getImageUrl = (src: string | null) => {
if (!src) return "";
return getStaticFileUrl(src) || "";
};
return (
<>
<div
ref={imageContainerRef}
className={cn(
"relative group max-md:h-[200px] max-lg:h-[300px] max-md:pointer-events-none lg:aspect-[4/4] w-full cursor-pointer rounded-lg overflow-hidden",
isFocusPointMode ? "cursor-crosshair" : "",
className
)}
data-slide-element
data-slide-index={slideIndex}
data-element-type="picture"
data-element-id={elementId}
onClick={(e) => {
if (initialImage !== undefined) {
if (isFocusPointMode) {
handleFocusPointClick(e);
} else {
handleImageClick();
}
}
}}
>
{image ? (
<img
ref={imageRef}
src={getImageUrl(image)}
alt={title}
className="w-full h-full transition-all duration-200 "
style={{
objectFit: objectFit,
objectPosition: `${focusPoint.x}% ${focusPoint.y}%`,
}}
data-slide-index={slideIndex}
data-element-type="picture"
data-is-image
data-object-fit={objectFit}
data-focial-point-x={focusPoint.x}
data-focial-point-y={focusPoint.y}
data-element-id={`${elementId}-image`}
data-is-network={image && image.startsWith("http")}
data-image-path={image}
/>
) : (
<div className="w-full h-full relative">
<Skeleton className="w-full h-full bg-gray-300 animate-pulse" />
{
<p className="absolute top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 w-full text-center text-sm text-gray-500">
{initialImage !== undefined
? "Click to add image"
: "Loading..."}
</p>
}
</div>
)}
<div className="absolute inset-0 bg-black/0 group-hover:bg-black/10 transition-all duration-200 rounded-lg" />
{isFocusPointMode && (
<div className="absolute inset-0 bg-black/20 flex items-center justify-center">
<div className="text-white text-center p-2 bg-black/50 rounded">
<p className="text-sm font-medium">
Click anywhere to set focus point
</p>
<button
className="mt-2 px-3 py-1 bg-blue-500 text-white text-xs rounded hover:bg-blue-600"
onClick={(e) => {
e.stopPropagation();
toggleFocusPointMode();
}}
>
Done
</button>
</div>
{/* Focus point marker */}
<div
className="absolute w-8 h-8 border-2 border-white rounded-full transform -translate-x-1/2 -translate-y-1/2 pointer-events-none"
style={{
left: `${focusPoint.x}%`,
top: `${focusPoint.y}%`,
boxShadow: "0 0 0 2px rgba(0,0,0,0.5)",
}}
>
<div className="absolute inset-0 flex items-center justify-center">
<div className="w-2 h-2 bg-white rounded-full"></div>
</div>
<div className="absolute w-16 h-0.5 bg-white/70 left-1/2 -translate-x-1/2"></div>
<div className="absolute w-0.5 h-16 bg-white/70 top-1/2 -translate-y-1/2"></div>
</div>
</div>
)}
{/* Image Toolbar */}
{isToolbarOpen && !isFocusPointMode && (
<div
ref={toolbarRef}
className="absolute bottom-2 left-1/2 transform -translate-x-1/2 bg-white rounded-full shadow-lg z-10 toolbar-popover"
>
<div className="flex items-center p-1 space-x-1">
<ToolTip content="Edit">
<button
className="p-2 hover:bg-gray-100 rounded-full transition-colors "
onClick={handleOpenEditor}
title="Edit Image"
>
<Edit className="w-4 h-4 text-gray-700" />
</button>
</ToolTip>
<ToolTip content="Focus Point">
<button
className="p-2 hover:bg-gray-100 rounded-full transition-colors "
onClick={toggleFocusPointMode}
title="Set Focus Point"
>
<Move className="w-4 h-4 text-gray-700" />
</button>
</ToolTip>
<Popover>
<PopoverTrigger asChild>
<button
className="p-2 hover:bg-gray-100 rounded-full transition-colors "
title="Fit Options"
>
<Maximize className="w-4 h-4 text-gray-700" />
</button>
</PopoverTrigger>
<PopoverContent className="w-36 p-2" ref={popoverContentRef}>
<div className="flex flex-col space-y-1">
<button
className={cn(
"text-left px-2 py-1 text-sm rounded flex items-center",
objectFit === "cover"
? "bg-blue-100 text-blue-800"
: "hover:bg-gray-100"
)}
onClick={(e) => {
e.preventDefault();
handleFitChange("cover");
}}
>
<div className="w-4 h-4 mr-2 border border-current rounded overflow-hidden relative">
<div className="absolute inset-0 bg-current opacity-20"></div>
<div className="absolute inset-0 flex items-center justify-center">
<div className="w-2 h-3 bg-current rounded-sm"></div>
</div>
</div>
Cover
</button>
<button
className={cn(
"text-left px-2 py-1 text-sm rounded flex items-center",
objectFit === "contain"
? "bg-blue-100 text-blue-800"
: "hover:bg-gray-100"
)}
onClick={(e) => {
e.preventDefault();
handleFitChange("contain");
}}
>
<div className="w-4 h-4 mr-2 border border-current rounded overflow-hidden relative">
<div className="absolute inset-0 bg-current opacity-20"></div>
<div className="absolute inset-0 flex items-center justify-center">
<div className="w-3 h-2 bg-current rounded-sm"></div>
</div>
</div>
Contain
</button>
<button
className={cn(
"text-left px-2 py-1 text-sm rounded flex items-center",
objectFit === "fill"
? "bg-blue-100 text-blue-800"
: "hover:bg-gray-100"
)}
onClick={(e) => {
e.preventDefault();
handleFitChange("fill");
}}
>
<div className="w-4 h-4 mr-2 border border-current rounded overflow-hidden relative">
<div className="absolute inset-0 bg-current opacity-20"></div>
<div className="absolute inset-0 flex items-center justify-center">
<div className="w-3 h-3 bg-current rounded-sm"></div>
</div>
</div>
Fill
</button>
</div>
</PopoverContent>
</Popover>
</div>
</div>
)}
</div>
<Sheet open={isEditorOpen} onOpenChange={setIsEditorOpen}>
<SheetContent
side="right"
className="w-[600px]"
onOpenAutoFocus={(e) => e.preventDefault()}
>
<SheetHeader>
<SheetTitle>Update Image</SheetTitle>
</SheetHeader>
<div className="mt-6">
<Tabs defaultValue="generate" className="w-full">
<TabsList className="grid bg-blue-100 border border-blue-300 w-full grid-cols-2 mx-auto ">
<TabsTrigger className="font-medium" value="generate">
AI Generate
</TabsTrigger>
<TabsTrigger className="font-medium" value="upload">
Upload
</TabsTrigger>
</TabsList>
<TabsContent value="generate" className="mt-4 space-y-4">
<div></div>
<div className="space-y-4">
<div className="">
<h3 className="text-sm font-medium mb-1">Current Prompt</h3>
<p className="text-sm text-gray-500">{promptContent}</p>
</div>
<div>
<h3 className="text-base font-medium mb-2">
Image Description
</h3>
<Textarea
placeholder="Describe the image you want to generate..."
value={prompt}
onChange={(e) => setPrompt(e.target.value)}
className="min-h-[100px]"
/>
</div>
<Button
onClick={handleGenerateImage}
className="w-full"
disabled={!prompt || isGenerating}
>
<Wand2 className="w-4 h-4 mr-2" />
{isGenerating ? "Generating..." : "Generate Image"}
</Button>
{error && <p className="text-red-500 text-sm">{error}</p>}
<div className="grid grid-cols-2 gap-4">
{isGenerating || previewImages.length === 0
? Array.from({ length: 4 }).map((_, index) => (
<Skeleton
key={index}
className="aspect-[4/3] w-full rounded-lg"
/>
))
: previewImages.map((image, index) => (
<div
key={index}
onClick={() => handleImageChange(image as string)}
className="aspect-[4/3] w-full overflow-hidden rounded-lg border cursor-pointer"
>
<img
src={
image
? getStaticFileUrl(image)
: ""
}
alt={`Preview ${index + 1}`}
className="w-full h-full object-cover"
/>
</div>
))}
</div>
</div>
</TabsContent>
<TabsContent value="upload" className="mt-4 space-y-4">
<div className="space-y-4">
<div
className={cn(
"border-2 border-dashed rounded-lg p-8 text-center transition-colors",
isUploading
? "border-gray-400 bg-gray-50"
: "border-gray-300"
)}
>
<input
type="file"
id="file-upload"
className="hidden"
accept="image/*"
onChange={handleFileUpload}
disabled={isUploading}
/>
<label
htmlFor="file-upload"
className={cn(
"flex flex-col items-center",
isUploading ? "cursor-wait" : "cursor-pointer"
)}
>
{isUploading ? (
<div className="w-8 h-8 border-2 border-gray-400 border-t-transparent rounded-full animate-spin mb-2" />
) : (
<Upload className="w-8 h-8 text-gray-500 mb-2" />
)}
<span className="text-sm text-gray-600">
{isUploading
? "Uploading your image..."
: "Click to upload an image"}
</span>
<span className="text-xs text-gray-500 mt-1">
Maximum file size: 5MB
</span>
</label>
</div>
{uploadError && (
<p className="text-red-500 text-sm text-center">
{uploadError}
</p>
)}
{(uploadedImageUrl || isUploading) && (
<div className="mt-4">
<h3 className="text-sm font-medium mb-2">
Uploaded Image Preview
</h3>
<div className="aspect-[4/3] relative rounded-lg overflow-hidden border border-gray-200">
{isUploading ? (
<div className="w-full h-full bg-gray-100 flex items-center justify-center">
<div className="flex flex-col items-center">
<div className="w-8 h-8 border-2 border-gray-400 border-t-transparent rounded-full animate-spin mb-2" />
<span className="text-sm text-gray-500">
Processing...
</span>
</div>
</div>
) : (
uploadedImageUrl && (
<div
onClick={() =>
handleImageChange(uploadedImageUrl)
}
className="cursor-pointer group w-full h-full"
>
<img
src={getStaticFileUrl(uploadedImageUrl)}
alt="Uploaded preview"
className="w-full h-full object-cover group-hover:scale-105 transition-transform"
/>
<div className="absolute inset-0 bg-black/0 group-hover:bg-black/20 transition-all duration-200" />
<div className="absolute inset-0 flex items-center justify-center opacity-0 group-hover:opacity-100 transition-opacity">
<span className="bg-white/90 px-3 py-1 rounded-full text-sm font-medium">
Click to use this image
</span>
</div>
</div>
)
)}
</div>
</div>
)}
</div>
</TabsContent>
</Tabs>
</div>
</SheetContent>
</Sheet>
</>
);
};
export default React.memo(ImageEditor);