Got drag and drop working

package-lock.json

@@ -9,6 +9,8 @@
 			"version": "1.0.0",
 			"license": "MIT",
 			"dependencies": {
+				"@dnd-kit/core": "^6.3.1",
+				"@dnd-kit/sortable": "^10.0.0",
 				"@headlessui/react": "^2.2.2",
 				"date-fns": "^4.1.0",
 				"lucide-react": "^0.469.0",
@@ -50,6 +52,59 @@
 				"w3c-keyname": "^2.2.4"
 			}
 		},
+		"node_modules/@dnd-kit/accessibility": {
+			"version": "3.1.1",
+			"resolved": "https://registry.npmjs.org/@dnd-kit/accessibility/-/accessibility-3.1.1.tgz",
+			"integrity": "sha512-2P+YgaXF+gRsIihwwY1gCsQSYnu9Zyj2py8kY5fFvUM1qm2WA2u639R6YNVfU4GWr+ZM5mqEsfHZZLoRONbemw==",
+			"license": "MIT",
+			"dependencies": {
+				"tslib": "^2.0.0"
+			},
+			"peerDependencies": {
+				"react": ">=16.8.0"
+			}
+		},
+		"node_modules/@dnd-kit/core": {
+			"version": "6.3.1",
+			"resolved": "https://registry.npmjs.org/@dnd-kit/core/-/core-6.3.1.tgz",
+			"integrity": "sha512-xkGBRQQab4RLwgXxoqETICr6S5JlogafbhNsidmrkVv2YRs5MLwpjoF2qpiGjQt8S9AoxtIV603s0GIUpY5eYQ==",
+			"license": "MIT",
+			"dependencies": {
+				"@dnd-kit/accessibility": "^3.1.1",
+				"@dnd-kit/utilities": "^3.2.2",
+				"tslib": "^2.0.0"
+			},
+			"peerDependencies": {
+				"react": ">=16.8.0",
+				"react-dom": ">=16.8.0"
+			}
+		},
+		"node_modules/@dnd-kit/sortable": {
+			"version": "10.0.0",
+			"resolved": "https://registry.npmjs.org/@dnd-kit/sortable/-/sortable-10.0.0.tgz",
+			"integrity": "sha512-+xqhmIIzvAYMGfBYYnbKuNicfSsk4RksY2XdmJhT+HAC01nix6fHCztU68jooFiMUB01Ky3F0FyOvhG/BZrWkg==",
+			"license": "MIT",
+			"dependencies": {
+				"@dnd-kit/utilities": "^3.2.2",
+				"tslib": "^2.0.0"
+			},
+			"peerDependencies": {
+				"@dnd-kit/core": "^6.3.0",
+				"react": ">=16.8.0"
+			}
+		},
+		"node_modules/@dnd-kit/utilities": {
+			"version": "3.2.2",
+			"resolved": "https://registry.npmjs.org/@dnd-kit/utilities/-/utilities-3.2.2.tgz",
+			"integrity": "sha512-+MKAJEOfaBe5SmV6t34p80MMKhjvUz0vRrvVJbPT0WElzaOJ/1xs+D+KDv+tD/NE5ujfrChEcshd4fLn0wpiqg==",
+			"license": "MIT",
+			"dependencies": {
+				"tslib": "^2.0.0"
+			},
+			"peerDependencies": {
+				"react": ">=16.8.0"
+			}
+		},
 		"node_modules/@esbuild/android-arm": {
 			"version": "0.17.3",
 			"resolved": "https://registry.npmjs.org/@esbuild/android-arm/-/android-arm-0.17.3.tgz",
@@ -2379,8 +2434,7 @@
 		"node_modules/tslib": {
 			"version": "2.4.0",
 			"resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.0.tgz",
-			"integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==",
-			"dev": true
+			"integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ=="
 		},
 		"node_modules/tsutils": {
 			"version": "3.21.0",

package.json

@@ -24,6 +24,8 @@
 		"typescript": "4.7.4"
 	},
 	"dependencies": {
+		"@dnd-kit/core": "^6.3.1",
+		"@dnd-kit/sortable": "^10.0.0",
 		"@headlessui/react": "^2.2.2",
 		"date-fns": "^4.1.0",
 		"lucide-react": "^0.469.0",

src/main/components/App.tsx

@@ -1,3 +1,4 @@
+/* eslint-disable no-mixed-spaces-and-tabs */
 import { useEffect, useState } from "react";
 import { useTableContext } from "../views/TableView";
 import Table from "./Table";
@@ -44,19 +45,30 @@ const App: React.FC = () => {
 
 	const [dates, setDates] = useState(getWeekDates(new Date()));
 
-	const [data, setData] = useState(() => tableContext!.loadData());
+	const [data, setData] = useState(() => tableContext?.loadData());
 
-	const [taskStatuses, setTaskStatuses] = useState(getTaskStatuses());
+	const [taskStatuses] = useState(getTaskStatuses());
 
-	const [projects, setProjects] = useState(
-		() => tableContext!.loadData().projects as Project[]
-	);
-	const [nextProjectId, setNextProjectId] = useState(
-		() => tableContext!.loadData().nextProjectId as number
-	);
-	const [nextTaskId, setNextTaskId] = useState(
-		() => tableContext!.loadData().nextTaskId as number
-	);
+	type TableData = {
+		projects: Project[];
+		nextProjectId: number;
+		nextTaskId: number;
+	};
+
+	const getInitialData = (): TableData => {
+		const data = tableContext?.loadData() as TableData | undefined;
+		return (
+			data || {
+				projects: [],
+				nextProjectId: 1,
+				nextTaskId: 1,
+			}
+		);
+	};
+
+	const [projects, setProjects] = useState<Project[]>(() => getInitialData().projects);
+	const [nextProjectId, setNextProjectId] = useState<number>(() => getInitialData().nextProjectId);
+	const [nextTaskId, setNextTaskId] = useState<number>(() => getInitialData().nextTaskId);
 
 	const incrementDates = () => {
 		setDates((prevDates) => {
@@ -201,13 +213,30 @@ const App: React.FC = () => {
 		});
 	};
 
-	const saveSpecificData = (key: string, value: any): void => {
-		setData((prevData: any) => {
-			const newData = { ...prevData, [key]: value };
+	const saveSpecificData = (key: string, value: unknown): void => {
+		setData((prevData: unknown) => {
+			const baseData = (typeof prevData === "object" && prevData !== null) ? prevData : {};
+			const newData = { ...baseData, [key]: value };
 			return newData;
 		});
 	};
 
+	const moveTask = (taskId: number, newDate: string) => {
+		setProjects((prevProjects) => {
+			const newProjects = prevProjects.map((project) => ({
+				...project,
+				tasks: project.tasks.map((task) =>
+					task.id === taskId
+						? { ...task, date: new Date(newDate) }
+						: task
+				),
+			}));
+
+			saveSpecificData("projects", newProjects);
+			return newProjects;
+		});
+	};
+
 	useEffect(() => {
 		if (tableContext) {
 			tableContext.saveData(data);
@@ -234,6 +263,7 @@ const App: React.FC = () => {
 				handleTaskNameChange={handleTaskNameChange}
 				taskStatuses={taskStatuses}
 				editTaskStatus={editTaskStatus}
+				moveTask={moveTask}
 			/>
 		</div>
 	);

src/main/components/Table.tsx

@@ -3,6 +3,11 @@ import { useEffect, useRef } from "react";
 import * as React from "react";
 import { Project, TaskStatus } from "./App";
 import TaskCell from "./TaskCell";
+import {
+	DndContext,
+	useDroppable,
+	DragEndEvent,
+} from "@dnd-kit/core";
 
 interface TableProps {
 	projects: Project[];
@@ -20,6 +25,30 @@ interface TableProps {
 	handleTaskNameChange: (id: number, newName: string) => void;
 	taskStatuses: TaskStatus[];
 	editTaskStatus: (id: number, newStatusId: string) => void;
+	moveTask: (taskId: number, newDate: string) => void;
+}
+
+function DroppableCell({
+	id,
+	children,
+	onClick,
+}: {
+	id: string;
+	children: React.ReactNode;
+	onClick?: React.MouseEventHandler<HTMLTableCellElement>;
+}) {
+	const { setNodeRef } = useDroppable({ id });
+
+	return (
+		<td
+			ref={setNodeRef}
+			className="taskcell-enclosure"
+			data-droppable-id={id}
+			onClick={onClick}
+		>
+			{children}
+		</td>
+	);
 }
 
 const Table: React.FC<TableProps> = ({
@@ -35,6 +64,7 @@ const Table: React.FC<TableProps> = ({
 	handleTaskNameChange,
 	taskStatuses,
 	editTaskStatus,
+	moveTask,
 }) => {
 	const containerRef = useRef<HTMLDivElement>(null);
 	const newProjectInputRef = useRef<HTMLInputElement | null>(null);
@@ -67,119 +97,149 @@ const Table: React.FC<TableProps> = ({
 	}, [containerRef]);
 
 	return (
-		<div>
-			<div className="table-container" ref={containerRef}>
-				<table className="table headings-center">
-					<thead className="table-header">
-						<tr>
-							<th>Projects</th>
-							{dates.map((date) => {
-								const dateObj = parseISO(date);
-								return (
-									<th className="date" key={date}>
-										<div className="date-header">
-											<div>{format(dateObj, "EEEE")}</div>
-											<div>
-												{format(dateObj, "yyyy-MM-dd")}
+		<DndContext
+			onDragEnd={(event: DragEndEvent) => {
+				const { active, over } = event;
+				if (!over || active.id === over.id) return;
+
+				const taskId = Number(active.id);
+				const [, newDate] = String(over.id).split("::");
+
+				moveTask(taskId, newDate);
+			}}
+		>
+			<div>
+				<div className="table-container" ref={containerRef}>
+					<table className="table headings-center">
+						<thead className="table-header">
+							<tr>
+								<th>Projects</th>
+								{dates.map((date) => {
+									const dateObj = parseISO(date);
+									return (
+										<th className="date" key={date}>
+											<div className="date-header">
+												<div>
+													{format(dateObj, "EEEE")}
+												</div>
+												<div>
+													{format(
+														dateObj,
+														"yyyy-MM-dd"
+													)}
+												</div>
 											</div>
-										</div>
-									</th>
-								);
-							})}
-						</tr>
-					</thead>
-					<tbody>
-						{projects.map((project) => (
-							<tr key={project.id}>
-								<td key={project.id} className="project-column">
-									<input
-										ref={
-											project.id === nextProjectId - 1
-												? newProjectInputRef
-												: null
-										}
-										type="text"
-										value={project.name}
-										className="project-input"
-										placeholder="New project"
-										onBlur={(e) => {
-											if (e.target.value === "")
-												removeProject(project.id);
-										}}
-										onChange={(e) =>
-											handleProjectNameChange(
-												project.id,
-												e.target.value
-											)
-										}
-									/>
-								</td>
-								{dates.map((date, index) => (
-									<td
-										className="taskcell-enclosure"
-										key={`${project.id}:${date}:${index}`}
-										onClick={(e) => {
-											if (e.target === e.currentTarget) {
-												addTaskToProject(project, date);
-												setTimeout(() => {
-													if (
-														newTaskInputRef.current
-													) {
-														newTaskInputRef.current.focus();
-													}
-												}, 0);
-											}
-										}}
-									>
-										{project.tasks
-											.filter(
-												(task) =>
-													new Date(
-														task.date
-													).toISOString() ===
-													new Date(date).toISOString()
-											)
-											.map((task) => (
-												<TaskCell
-													task={task}
-													projectName={project.name}
-													removeTask={removeTask}
-													key={task.id}
-													inputRef={
-														task.id ===
-														nextTaskId - 1
-															? newTaskInputRef
-															: null
-													}
-													handleTaskNameChange={
-														handleTaskNameChange
-													}
-													status={task.status}
-													taskStatuses={taskStatuses}
-													editTaskStatus={
-														editTaskStatus
-													}
-												/>
-											))}
-									</td>
-								))}
+										</th>
+									);
+								})}
 							</tr>
-						))}
-					</tbody>
-				</table>
+						</thead>
+						<tbody>
+							{projects.map((project) => (
+								<tr key={project.id}>
+									<td
+										key={project.id}
+										className="project-column"
+									>
+										<input
+											ref={
+												project.id === nextProjectId - 1
+													? newProjectInputRef
+													: null
+											}
+											type="text"
+											value={project.name}
+											className="project-input"
+											placeholder="New project"
+											onBlur={(e) => {
+												if (e.target.value === "")
+													removeProject(project.id);
+											}}
+											onChange={(e) =>
+												handleProjectNameChange(
+													project.id,
+													e.target.value
+												)
+											}
+										/>
+									</td>
+									{dates.map((date, index) => (
+										<DroppableCell
+											id={`${project.id}::${date}`}
+											onClick={(e) => {
+												if (
+													e.target === e.currentTarget
+												) {
+													addTaskToProject(
+														project,
+														date
+													);
+													setTimeout(() => {
+														newTaskInputRef.current?.focus();
+													}, 0);
+												}
+											}}
+											key={`${project.id}-${date}`} // ADD KEY HERE
+										>
+											{project.tasks
+												.filter(
+													(task) =>
+														new Date(
+															task.date
+														).toISOString() ===
+														new Date(
+															date
+														).toISOString()
+												)
+												.map((task) => (
+													<TaskCell
+														key={task.id}
+														task={task}
+														projectName={
+															project.name
+														}
+														removeTask={removeTask}
+														inputRef={
+															task.id ===
+															nextTaskId - 1
+																? newTaskInputRef
+																: null
+														}
+														handleTaskNameChange={
+															handleTaskNameChange
+														}
+														status={task.status}
+														taskStatuses={
+															taskStatuses
+														}
+														editTaskStatus={
+															editTaskStatus
+														}
+													/>
+												))}
+										</DroppableCell>
+									))}
+								</tr>
+							))}
+						</tbody>
+					</table>
+				</div>
+				<div className="new-project-container">
+					<input
+						type="text"
+						className="project-input"
+						placeholder="New project"
+						onChange={(e) => {
+							createNewProject(
+								e.target.value,
+								newProjectInputRef
+							);
+							e.target.value = "";
+						}}
+					/>
+				</div>
 			</div>
-			<div className="new-project-container">
-				<input
-					type="text"
-					className="project-input"
-					placeholder="New project"
-					onChange={(e) => {
-						createNewProject(e.target.value, newProjectInputRef);
-						e.target.value = "";
-					}}
-				/>
-			</div>
-		</div>
+		</DndContext>
 	);
 };
 

src/main/components/TaskCell.tsx

@@ -5,6 +5,7 @@ import {
 	ListboxOption,
 	ListboxOptions,
 } from "@headlessui/react";
+import { useDraggable } from "@dnd-kit/core";
 
 const transColor = (color: string, percent: number): string => {
 	const num = parseInt(color.replace("#", ""), 16);
@@ -55,81 +56,102 @@ const TaskCell: React.FC<TaskCellProps> = ({
 	taskStatuses,
 	editTaskStatus,
 }) => {
-	const taskColor = status.color;
+	// const taskColor = status.color;
 	const taskBackground = `${status.color}33`;
-	const darkTaskTextColor = transColor(status.color, -40);
+	// const darkTaskTextColor = transColor(status.color, -40);
 	const lightTaskTextColor = transColor(status.color, 25);
-	const lightTaskBackgroundColor = `${transColor(status.color, 25)}33`;
+	// const lightTaskBackgroundColor = `${transColor(status.color, 25)}33`;
 
-	const placeholderColor = hexToRgba(lightTaskTextColor, 0.50);
+	const placeholderColor = hexToRgba(lightTaskTextColor, 0.5);
+
+	const { attributes, listeners, setNodeRef, transform } = useDraggable({
+		id: task.id,
+	});
 
 	return (
-		<div className="task-cell" style={{ backgroundColor: taskBackground }}>
-			<div
-				className="task-cell-header"
-				style={{
-					backgroundColor: taskBackground,
-					color: lightTaskTextColor,
-				}}
-			>
-				<div className="project-name-repeat">
-					{projectName}
-				</div>
-				<Listbox
-					value={status.id}
-					onChange={(value) => editTaskStatus(task.id, value)}
-				>
-					<div className="relative">
-						<ListboxButton
-							className="task-cell-status-indicator"
-							style={{
-								border: `1px solid ${lightTaskTextColor}`,
-								color: lightTaskTextColor,
-							}}
-						>
-							{status.name}
-						</ListboxButton>
-						<ListboxOptions className="task-cell-dropdown-options">
-							{taskStatuses.map((s) => (
-								<ListboxOption
-									key={s.id}
-									value={s.id}
-									className={({ active }) =>
-										`task-cell-dropdown-option ${active ? "active" : ""
-										}`
-									}
-								>
-									{s.name}
-								</ListboxOption>
-							))}
-						</ListboxOptions>
-					</div>
-				</Listbox>
-			</div>
-			<div className="task-cell-content">
-				<input
-					style={{ color: lightTaskTextColor }}
-					placeholder="Task name"
-					onBlur={(e) => {
-						if (e.target.value === "") removeTask(task.id);
-					}}
-					ref={inputRef}
-					onChange={(e) =>
-						handleTaskNameChange(task.id, e.target.value)
-					}
-					value={task.name}
-					className={`task-input-${task.id}`}
-				></input>
-				<style>
-					{`
-						.task-input-${task.id}::placeholder {
-						color: ${placeholderColor};
-						}
-					`}
-				</style>
-			</div>
-		</div>
-	);
+  <div
+    ref={setNodeRef}
+    className="task-cell"
+    style={{
+      backgroundColor: taskBackground,
+      ...(transform
+        ? {
+            transform: `translate(${transform.x}px, ${transform.y}px)`,
+          }
+        : {}),
+    }}
+  >
+    <div
+      className="task-cell-header"
+      style={{
+        backgroundColor: taskBackground,
+        color: lightTaskTextColor,
+      }}
+    >
+      {/* ✅ Only this part is draggable */}
+      <div
+        {...listeners}
+        {...attributes}
+        className="project-name-repeat"
+        style={{
+          cursor: "grab",
+          userSelect: "none",
+        }}
+      >
+        {projectName}
+      </div>
+
+      <Listbox
+        value={status.id}
+        onChange={(value) => editTaskStatus(task.id, value)}
+      >
+        <div className="relative">
+          <ListboxButton
+            className="task-cell-status-indicator"
+            style={{
+              border: `1px solid ${lightTaskTextColor}`,
+              color: lightTaskTextColor,
+            }}
+          >
+            {status.name}
+          </ListboxButton>
+          <ListboxOptions className="task-cell-dropdown-options">
+            {taskStatuses.map((s) => (
+              <ListboxOption
+                key={s.id}
+                value={s.id}
+                className={({ active }) =>
+                  `task-cell-dropdown-option ${active ? "active" : ""}`
+                }
+              >
+                {s.name}
+              </ListboxOption>
+            ))}
+          </ListboxOptions>
+        </div>
+      </Listbox>
+    </div>
+
+    <div className="task-cell-content">
+      <input
+        value={task.name}
+        onChange={(e) => handleTaskNameChange(task.id, e.target.value)}
+        onBlur={(e) => {
+          if (e.target.value === "") removeTask(task.id);
+        }}
+        ref={inputRef}
+        className={`task-input-${task.id}`}
+        placeholder="Task name"
+        style={{ color: lightTaskTextColor }}
+      />
+      <style>{`
+        .task-input-${task.id}::placeholder {
+          color: ${placeholderColor};
+        }
+      `}</style>
+    </div>
+  </div>
+);
 };
 
 export default TaskCell;

src/main/views/TableView.tsx

@@ -5,8 +5,8 @@ import AppComponent from 'src/main/components/App';
 
 export interface AppContext {
 	app: App;
-	loadData: () => any;
-	saveData: (data: any) => Promise<void>;
+	loadData: () => unknown;
+	saveData: (data: unknown) => Promise<void>;
 }
 
 export const TABLE_VIEW_TYPE = 'table-view';
@@ -20,10 +20,10 @@ export const useTableContext = (): AppContext | undefined => {
 export class TableView extends ItemView {
 	root: Root | null = null;
 
-	loadData: () => any;
-	saveData: (data: any) => Promise<void>;
+	loadData: () => unknown;
+	saveData: (data: unknown) => Promise<void>;
 
-	constructor(leaf: WorkspaceLeaf, loadData: () => any, saveData: (data: any) => Promise<void>) {
+	constructor(leaf: WorkspaceLeaf, loadData: () => unknown, saveData: (data: unknown) => Promise<void>) {
 		super(leaf);
 		this.loadData = loadData;
 		this.saveData = saveData;