Files
checkflow/src/components/tasks/TaskList.tsx
T
2026-08-22 09:08:10 +09:00

1387 lines
50 KiB
TypeScript

"use client";
import React, { useState, useEffect, useRef, useCallback } from "react";
import { useI18n } from "@/lib/i18n";
import { ContextMenu } from "@/components/ui/ContextMenu";
import { KanbanView } from "./KanbanView";
import { useUserPrefs } from "@/lib/useUserPrefs";
import { getDemoStore, saveDemoStore, MockTask } from "@/lib/mockData";
export interface Tag { id: string; name: string; color: string }
export interface Task {
id: string;
listId: string;
parentId: string | null;
title: string;
note: string | null;
completed: boolean;
completedAt: string | null;
dueDate: string | null;
priority: number;
sortOrder: number;
createdAt: string;
updatedAt: string;
deletedAt?: string | null;
isDeleted?: boolean;
children: Task[];
tags?: { tag: Tag }[];
}
export interface List { id: string; name: string; color: string; icon: string }
export interface User { id: string; name?: string | null; email?: string | null }
const PRIORITY_COLORS = ["transparent", "var(--priority-low)", "var(--priority-medium)", "var(--priority-high)"];
interface TaskItemProps {
task: Task;
depth?: number;
isSelected: boolean;
onSelect: (t: Task) => void;
onToggle: (id: string, completed: boolean) => void;
onUpdateTitle: (id: string, title: string) => void;
onAddSubtask: (title: string, parentId: string) => void;
onContextMenu: (x: number, y: number, task: Task) => void;
isTrashMode?: boolean;
onRestore?: (id: string) => void;
onPermanentDelete?: (id: string) => void;
onDragTask?: (draggedId: string, targetId: string, position: "before" | "after" | "inside") => void;
}
// Recursive Task Tree Item (Supports 1st, 2nd, 3rd, N-level sub-tasks seamlessly)
function RecursiveTaskItem({
task,
depth = 0,
isSelected,
onSelect,
onToggle,
onUpdateTitle,
onAddSubtask,
onContextMenu,
isTrashMode = false,
onRestore,
onPermanentDelete,
onDragTask,
}: TaskItemProps) {
const { t, lang } = useI18n();
const [expanded, setExpanded] = useState(true);
const [editingTitle, setEditingTitle] = useState(false);
const [tempTitle, setTempTitle] = useState(task.title);
const [addingSubtask, setAddingSubtask] = useState(false);
const [subtaskInput, setSubtaskInput] = useState("");
// Touch swipe support
const touchStartX = useRef<number | null>(null);
const [swipeOffset, setSwipeOffset] = useState(0);
const editInputRef = useRef<HTMLInputElement>(null);
const subInputRef = useRef<HTMLInputElement>(null);
const completedChildren = task.children?.filter((c) => c.completed).length || 0;
const totalChildren = task.children?.length || 0;
useEffect(() => {
setTempTitle(task.title);
}, [task.title]);
useEffect(() => {
if (editingTitle) {
editInputRef.current?.focus();
editInputRef.current?.select();
}
}, [editingTitle]);
useEffect(() => {
if (addingSubtask) {
subInputRef.current?.focus();
}
}, [addingSubtask]);
// 마감일 상태 반환: label + 색상
const getDueDateInfo = (d: string | null): { label: string; color: string } | null => {
if (!d) return null;
const date = new Date(d);
const now = new Date();
const isToday = date.toDateString() === now.toDateString();
const isTomorrow = date.toDateString() === new Date(now.getTime() + 86400000).toDateString();
const isPast = date < now && !isToday;
if (isToday) return { label: t("today"), color: "#EF4444" };
if (isTomorrow) return { label: t("tomorrow"), color: "#F97316" };
if (isPast) return { label: date.toLocaleDateString(lang === "ko" ? "ko-KR" : lang === "ja" ? "ja-JP" : "en-US", { month: "short", day: "numeric" }), color: "#DC2626" };
return { label: date.toLocaleDateString(lang === "ko" ? "ko-KR" : lang === "ja" ? "ja-JP" : "en-US", { month: "short", day: "numeric" }), color: "var(--text-tertiary)" };
};
const priorityLabels = [t("priorityNone"), t("priorityLow"), t("priorityMedium"), t("priorityHigh")];
const handleSaveTitle = () => {
const trimmed = tempTitle.trim();
if (trimmed && trimmed !== task.title) {
onUpdateTitle(task.id, trimmed);
} else {
setTempTitle(task.title);
}
setEditingTitle(false);
};
const handleCreateSubtask = (e: React.FormEvent) => {
e.preventDefault();
const trimmed = subtaskInput.trim();
if (trimmed) {
onAddSubtask(trimmed, task.id);
setSubtaskInput("");
setAddingSubtask(false);
setExpanded(true);
}
};
// Touch Swipe handlers
const handleTouchStart = (e: React.TouchEvent) => {
if (isTrashMode) return;
touchStartX.current = e.touches[0].clientX;
};
const handleTouchMove = (e: React.TouchEvent) => {
if (touchStartX.current === null) return;
const deltaX = e.touches[0].clientX - touchStartX.current;
if (Math.abs(deltaX) < 120) {
setSwipeOffset(deltaX);
}
};
const handleTouchEnd = () => {
if (swipeOffset > 70) {
// Swiped Right -> Toggle Complete
onToggle(task.id, !task.completed);
}
setSwipeOffset(0);
touchStartX.current = null;
};
const [dragOverPos, setDragOverPos] = useState<"top" | "bottom" | "inside" | null>(null);
return (
<div style={{ paddingLeft: depth > 0 ? 24 : 0, position: "relative" }}>
<div
className={`task-item${task.completed ? " completed" : ""}${isSelected ? " selected" : ""}${dragOverPos ? ` drag-over-${dragOverPos}` : ""}`}
onClick={() => onSelect(task)}
tabIndex={0}
onKeyDown={(e) => {
if (e.key === "F2" && !isTrashMode) {
e.preventDefault();
e.stopPropagation();
setEditingTitle(true);
}
}}
onTouchStart={handleTouchStart}
onTouchMove={handleTouchMove}
onTouchEnd={handleTouchEnd}
onContextMenu={(e) => {
e.preventDefault();
e.stopPropagation();
onContextMenu(e.clientX, e.clientY, task);
}}
onDragOver={(e) => {
if (isTrashMode) return;
e.preventDefault();
e.dataTransfer.dropEffect = "move";
const rect = e.currentTarget.getBoundingClientRect();
const relY = e.clientY - rect.top;
const h = rect.height;
if (relY < h * 0.25) {
setDragOverPos("top");
} else if (relY > h * 0.75) {
setDragOverPos("bottom");
} else {
setDragOverPos("inside");
}
}}
onDragLeave={() => setDragOverPos(null)}
onDrop={(e) => {
if (isTrashMode) return;
e.preventDefault();
const draggedId = e.dataTransfer.getData("text/plain");
if (draggedId && draggedId !== task.id && onDragTask) {
const pos: "before" | "after" | "inside" =
dragOverPos === "top" ? "before" : dragOverPos === "bottom" ? "after" : "inside";
onDragTask(draggedId, task.id, pos);
}
setDragOverPos(null);
}}
id={`task-${task.id}`}
style={{
borderLeft: depth > 0 ? "2px solid var(--border)" : "none",
marginLeft: depth > 0 ? 8 : 0,
transform: `translateX(${swipeOffset}px)`,
transition: swipeOffset === 0 ? "transform 0.2s cubic-bezier(0.16, 1, 0.3, 1)" : "none",
outline: dragOverPos === "inside" ? "2px dashed var(--accent)" : undefined,
outlineOffset: -2,
background: dragOverPos === "inside" ? "var(--accent-light, rgba(75, 123, 245, 0.12))" : undefined,
}}
>
{/* Notion-style 6-dot Drag Handle */}
{!isTrashMode && (
<div
className="task-drag-handle"
draggable="true"
onDragStart={(e) => {
e.stopPropagation();
e.dataTransfer.setData("text/plain", task.id);
e.dataTransfer.setData("application/task-id", task.id);
e.dataTransfer.effectAllowed = "move";
}}
title="Drag to reorder"
onClick={(e) => e.stopPropagation()}
>
<svg width="12" height="12" viewBox="0 0 16 16" fill="currentColor">
<circle cx="5" cy="3" r="1.5" />
<circle cx="11" cy="3" r="1.5" />
<circle cx="5" cy="8" r="1.5" />
<circle cx="11" cy="8" r="1.5" />
<circle cx="5" cy="13" r="1.5" />
<circle cx="11" cy="13" r="1.5" />
</svg>
</div>
)}
{/* Toggle Expand Arrow if has children */}
{totalChildren > 0 ? (
<button
type="button"
className="icon-btn"
style={{ width: 18, height: 18, flexShrink: 0, padding: 0, opacity: 0.6 }}
onClick={(e) => {
e.stopPropagation();
setExpanded((p) => !p);
}}
title="Expand/Collapse"
>
<svg
width="10"
height="10"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
strokeWidth="2.5"
style={{ transform: expanded ? "rotate(90deg)" : "rotate(0deg)", transition: "transform 0.15s" }}
>
<polyline points="9 18 15 12 9 6" />
</svg>
</button>
) : depth > 0 ? (
<span style={{ width: 12, flexShrink: 0 }} />
) : null}
{/* Check button (hidden in trash mode) */}
{!isTrashMode ? (
<button
className={`task-check-btn${task.completed ? " checked" : ""}`}
onClick={(e) => {
e.stopPropagation();
onToggle(task.id, !task.completed);
}}
aria-label={task.completed ? "Mark incomplete" : "Mark complete"}
type="button"
style={{ width: depth > 0 ? 17 : 19, height: depth > 0 ? 17 : 19, flexShrink: 0 }}
/>
) : (
<span style={{ fontSize: 13, opacity: 0.5, flexShrink: 0 }}>🗑️</span>
)}
{/* Title, Meta and Tags */}
<div className="task-body">
{editingTitle && !isTrashMode ? (
<input
ref={editInputRef}
className="form-input"
value={tempTitle}
onChange={(e) => setTempTitle(e.target.value)}
onBlur={handleSaveTitle}
onKeyDown={(e) => {
if (e.key === "Enter") handleSaveTitle();
if (e.key === "Escape") {
setTempTitle(task.title);
setEditingTitle(false);
}
}}
onClick={(e) => e.stopPropagation()}
style={{ padding: "2px 6px", fontSize: depth > 0 ? 13 : 14, fontWeight: 500, height: 26, width: "100%" }}
/>
) : (
<div
className="task-title"
onDoubleClick={(e) => {
if (isTrashMode) return;
e.stopPropagation();
setEditingTitle(true);
}}
title="Double click or press F2 to edit"
style={{ fontSize: depth > 0 ? 13 : 14, fontWeight: depth === 0 ? 600 : 500 }}
>
{task.title}
</div>
)}
<div className="task-meta" style={{ flexWrap: "wrap", gap: 6 }}>
{task.priority > 0 && !isTrashMode && (
<div
className="task-priority-dot"
style={{ background: PRIORITY_COLORS[task.priority] }}
title={priorityLabels[task.priority]}
/>
)}
{task.dueDate && !isTrashMode && (() => {
const dueDateInfo = getDueDateInfo(task.dueDate);
if (!dueDateInfo) return null;
return (
<span
className="task-due"
style={{ color: task.completed ? undefined : dueDateInfo.color, fontWeight: (dueDateInfo.color !== "var(--text-tertiary)" && !task.completed) ? 600 : undefined }}
>
<svg width="10" height="10" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2">
<rect x="3" y="4" width="18" height="18" rx="2" /><line x1="16" y1="2" x2="16" y2="6" /><line x1="8" y1="2" x2="8" y2="6" /><line x1="3" y1="10" x2="21" y2="10" />
</svg>
{dueDateInfo.label}
</span>
);
})()}
{totalChildren > 0 && !isTrashMode && (
<span
className="task-sub-count"
onClick={(e) => {
e.stopPropagation();
setExpanded((p) => !p);
}}
style={{ cursor: "pointer" }}
>
{completedChildren}/{totalChildren}
</span>
)}
{/* Tags Badges */}
{task.tags && task.tags.length > 0 && (
<div style={{ display: "flex", gap: 4 }}>
{task.tags.map((tg) => (
<span
key={tg.tag.id}
className="badge"
style={{
background: tg.tag.color + "22",
color: tg.tag.color,
fontSize: 10,
padding: "1px 6px",
borderRadius: 4,
fontWeight: 600,
}}
>
#{tg.tag.name}
</span>
))}
</div>
)}
</div>
{task.note && !task.completed && depth === 0 && (
<div className="task-note-preview">{task.note.replace(/[#*`]/g, "").slice(0, 80)}</div>
)}
</div>
{/* Right Actions: Subtask Add Button & Trash Mode Controls */}
{isTrashMode ? (
<div style={{ display: "flex", gap: 6, marginLeft: "auto" }}>
<button
className="btn btn-ghost btn-sm"
style={{ fontSize: 11, padding: "2px 8px" }}
onClick={(e) => {
e.stopPropagation();
if (onRestore) onRestore(task.id);
}}
title="Restore task"
type="button"
>
↩️ Restore
</button>
<button
className="btn btn-ghost btn-sm"
style={{ fontSize: 11, padding: "2px 8px", color: "var(--danger)" }}
onClick={(e) => {
e.stopPropagation();
if (onPermanentDelete) onPermanentDelete(task.id);
}}
title="Delete permanently"
type="button"
>
</button>
</div>
) : (
<div className="task-actions-right">
<button
className="badge badge-neutral"
style={{
cursor: "pointer",
fontSize: 11,
padding: "2px 8px",
border: "1px solid var(--border)",
background: "var(--bg-secondary)",
}}
onClick={(e) => {
e.stopPropagation();
setAddingSubtask(true);
setExpanded(true);
}}
title="Add subtask"
type="button"
>
+ {t("subtasks")}
</button>
</div>
)}
</div>
{/* Recursive Children (N-Depth Sub-tasks) */}
{totalChildren > 0 && expanded && (
<div className="subtask-recursive-tree">
{task.children.map((child) => (
<RecursiveTaskItem
key={child.id}
task={child}
depth={depth + 1}
isSelected={isSelected}
onSelect={onSelect}
onToggle={onToggle}
onUpdateTitle={onUpdateTitle}
onAddSubtask={onAddSubtask}
onContextMenu={onContextMenu}
isTrashMode={isTrashMode}
onRestore={onRestore}
onPermanentDelete={onPermanentDelete}
onDragTask={onDragTask}
/>
))}
</div>
)}
{/* Inline Add Subtask form for this node */}
{addingSubtask && !isTrashMode && (
<form
onSubmit={handleCreateSubtask}
style={{ display: "flex", gap: 6, padding: "4px 0 4px 32px" }}
onClick={(e) => e.stopPropagation()}
>
<span style={{ color: "var(--accent)", fontSize: 13, lineHeight: "26px" }}></span>
<input
ref={subInputRef}
className="form-input"
placeholder={t("addSubtaskPlaceholder")}
value={subtaskInput}
onChange={(e) => setSubtaskInput(e.target.value)}
onBlur={() => {
if (!subtaskInput.trim()) setAddingSubtask(false);
}}
onKeyDown={(e) => {
if (e.key === "Escape") setAddingSubtask(false);
}}
style={{ height: 26, fontSize: 12.5, padding: "2px 8px", flex: 1 }}
/>
<button className="btn btn-primary btn-sm" type="submit" style={{ padding: "2px 8px", fontSize: 11 }}>
{t("add")}
</button>
</form>
)}
</div>
);
}
interface Props {
user: User;
listId: string | null;
lists: List[];
tasks: Task[];
setTasks: React.Dispatch<React.SetStateAction<Task[]>>;
selectedTaskId: string | null;
onTaskSelect: (t: Task | null) => void;
showCompleted: boolean;
onToggleCompleted: () => void;
onMenuOpen: () => void;
onRefresh: () => void;
isDemo?: boolean;
isTrashActive?: boolean;
selectedTag?: string | null;
onEmptyTrash?: () => void;
onRestoreTask?: (id: string) => void;
onPermanentDeleteTask?: (id: string) => void;
onDemoAddTask?: (
title: string,
listId: string,
parentId?: string | null,
meta?: { dueDate?: string | null; priority?: number; tags?: { tag: Tag }[] }
) => void;
onDemoToggleTask?: (id: string, completed: boolean) => void;
onUpdateTaskTitle?: (id: string, title: string) => void;
onUpdateListName?: (id: string, name: string) => void;
onDeleteTaskWithUndo?: (task: Task) => void;
onDeleteTask?: (id: string) => void;
}
export function TaskList({
user: _user,
listId,
lists,
tasks,
setTasks,
selectedTaskId,
onTaskSelect,
showCompleted,
onToggleCompleted,
onMenuOpen,
onRefresh,
isDemo = false,
isTrashActive = false,
selectedTag = null,
onEmptyTrash,
onRestoreTask,
onPermanentDeleteTask,
onDemoAddTask,
onDemoToggleTask,
onUpdateTaskTitle,
onUpdateListName,
onDeleteTaskWithUndo,
onDeleteTask,
}: Props) {
const { t } = useI18n();
const [newTaskTitle, setNewTaskTitle] = useState("");
const [loading, setLoading] = useState(false);
const [editingHeader, setEditingHeader] = useState(false);
const [headerTitle, setHeaderTitle] = useState("");
const [contextMenu, setContextMenu] = useState<{ x: number; y: number; task: Task } | null>(null);
const { prefs, updatePrefs } = useUserPrefs();
// Only show kanban if the Labs flag is explicitly enabled
const kanbanEnabled = Boolean(prefs.labs?.kanbanBoard);
const viewMode = kanbanEnabled ? (prefs.viewMode || "list") : "list";
const handleToggleViewMode = () => {
const nextMode = viewMode === "kanban" ? "list" : "kanban";
updatePrefs({ viewMode: nextMode });
};
// TickTick-style Quick Add Preset states
const [quickDueDate, setQuickDueDate] = useState<string | null>(null);
const [quickPriority, setQuickPriority] = useState<number>(0);
const [showQuickDue, setShowQuickDue] = useState(false);
const [showQuickPriority, setShowQuickPriority] = useState(false);
const priorityLabels = [t("priorityNone"), t("priorityLow"), t("priorityMedium"), t("priorityHigh")];
const inputRef = useRef<HTMLInputElement>(null);
const headerInputRef = useRef<HTMLInputElement>(null);
const currentList = lists.find((l) => l.id === listId);
useEffect(() => {
if (currentList) setHeaderTitle(currentList.name);
}, [currentList]);
useEffect(() => {
if (editingHeader) {
headerInputRef.current?.focus();
headerInputRef.current?.select();
}
}, [editingHeader]);
const fetchTasks = useCallback(async () => {
if (!listId || isDemo || isTrashActive || selectedTag) return;
setLoading(true);
try {
const res = await fetch(`/api/tasks?listId=${listId}&showCompleted=${showCompleted}`);
if (!res.ok) throw new Error(`HTTP ${res.status}`);
const data = await res.json();
setTasks(Array.isArray(data) ? data : []);
} catch (err) {
console.error("[TaskList] fetchTasks failed", err);
} finally {
setLoading(false);
}
}, [listId, showCompleted, isDemo, isTrashActive, selectedTag, setTasks]);
useEffect(() => {
fetchTasks();
}, [fetchTasks]);
useEffect(() => {
const handler = () => inputRef.current?.focus();
document.addEventListener("checkflow:addTask", handler);
return () => document.removeEventListener("checkflow:addTask", handler);
}, []);
// Recursive update helper for local tree optimistic state
const updateTaskCompletedInTree = (tree: Task[], targetId: string, isComp: boolean): Task[] => {
return tree.map((node) => {
if (node.id === targetId) {
return {
...node,
completed: isComp,
completedAt: isComp ? new Date().toISOString() : null,
children: node.children ? updateTaskCompletedInTree(node.children, targetId, isComp) : [],
};
}
if (node.children && node.children.length > 0) {
return {
...node,
children: updateTaskCompletedInTree(node.children, targetId, isComp),
};
}
return node;
});
};
const handleToggle = useCallback(
async (id: string, completed: boolean) => {
// 1. Optimistic UI update immediately
setTasks((prev) => {
const updated = updateTaskCompletedInTree(prev, id, completed);
return showCompleted ? updated : updated.filter((t) => t.id !== id || !completed);
});
if (isDemo) {
if (onDemoToggleTask) onDemoToggleTask(id, completed);
return;
}
try {
const res = await fetch(`/api/tasks/${id}`, {
method: "PATCH",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ completed }),
});
if (!res.ok) throw new Error(`HTTP ${res.status}`);
onRefresh();
} catch (err) {
console.error("[TaskList] handleToggle failed", err);
// Rollback on failure
fetchTasks();
}
},
[isDemo, onDemoToggleTask, onRefresh, showCompleted, setTasks, fetchTasks]
);
const handleAddTask = async (e: React.FormEvent) => {
e.preventDefault();
const title = newTaskTitle.trim();
if (!title || !listId) return;
const meta = {
dueDate: quickDueDate,
priority: quickPriority,
};
if (isDemo) {
if (onDemoAddTask) onDemoAddTask(title, listId, null, meta);
setNewTaskTitle("");
setQuickDueDate(null);
setQuickPriority(0);
return;
}
try {
const res = await fetch("/api/tasks", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ title, listId, ...meta }),
});
if (!res.ok) throw new Error(`HTTP ${res.status}`);
const task = await res.json();
setTasks((prev) => [...prev, task]);
setNewTaskTitle("");
setQuickDueDate(null);
setQuickPriority(0);
onRefresh();
} catch (err) {
console.error("[TaskList] handleAddTask failed", err);
}
};
const insertSubtaskInTree = (tree: Task[], pId: string, subtask: Task): Task[] => {
return tree.map((node) => {
if (node.id === pId) {
const currentChildren = node.children || [];
return { ...node, children: [...currentChildren, subtask] };
}
if (node.children && node.children.length > 0) {
return { ...node, children: insertSubtaskInTree(node.children, pId, subtask) };
}
return node;
});
};
const handleAddSubtaskInline = async (title: string, parentId: string) => {
if (!listId) return;
const tempId = "temp-subtask-" + Date.now();
const tempSubtask: Task = {
id: tempId,
listId,
parentId,
title: title.trim(),
note: null,
completed: false,
completedAt: null,
dueDate: null,
priority: 0,
sortOrder: 999,
createdAt: new Date().toISOString(),
updatedAt: new Date().toISOString(),
children: [],
tags: [],
};
// Optimistic insert
setTasks((prev) => insertSubtaskInTree(prev, parentId, tempSubtask));
if (isDemo) {
if (onDemoAddTask) onDemoAddTask(title, listId, parentId);
return;
}
try {
const res = await fetch("/api/tasks", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ title, listId, parentId }),
});
if (res.ok) {
const createdTask = await res.json();
// Replace temp subtask with actual created task
setTasks((prev) => {
const replaceTemp = (nodes: Task[]): Task[] => {
return nodes.map((n) => {
if (n.id === tempId) return createdTask;
if (n.children && n.children.length > 0) {
return { ...n, children: replaceTemp(n.children) };
}
return n;
});
};
return replaceTemp(prev);
});
onRefresh();
} else {
fetchTasks();
}
} catch (err) {
console.error("Failed to add subtask inline", err);
fetchTasks();
}
};
const handleSaveHeaderTitle = () => {
const trimmed = headerTitle.trim();
if (trimmed && listId && onUpdateListName && trimmed !== currentList?.name) {
onUpdateListName(listId, trimmed);
} else if (currentList) {
setHeaderTitle(currentList.name);
}
setEditingHeader(false);
};
// Helper: check if targetId is inside the subtree of ancestorId (prevents circular nesting / node disappearing)
const isDescendantNode = (nodes: Task[], ancestorId: string, targetId: string): boolean => {
for (const node of nodes) {
if (node.id === ancestorId) {
const checkChildren = (children: Task[]): boolean => {
for (const c of children) {
if (c.id === targetId) return true;
if (c.children && c.children.length > 0 && checkChildren(c.children)) return true;
}
return false;
};
return checkChildren(node.children || []);
}
if (node.children && node.children.length > 0) {
if (isDescendantNode(node.children, ancestorId, targetId)) return true;
}
}
return false;
};
// Robust Tree-aware reordering function (1st, 2nd, 3rd depth task reordering, promoting to top-level, and demoting into subtask)
const handleReorderTasks = useCallback((draggedId: string, targetId: string, position: "before" | "after" | "inside") => {
// Prevent dropping onto itself or into its own subtree (which causes loops/disappearing tasks)
if (draggedId === targetId) return;
setTasks((prev) => {
if (isDescendantNode(prev, draggedId, targetId)) {
return prev;
}
// 1. Extract and remove the dragged node from its current position
let extractedNode: Task | null = null;
const removeNode = (nodes: Task[]): Task[] => {
const result: Task[] = [];
for (const node of nodes) {
if (node.id === draggedId) {
extractedNode = { ...node };
} else {
const updatedNode = { ...node };
if (updatedNode.children && updatedNode.children.length > 0) {
updatedNode.children = removeNode(updatedNode.children);
}
result.push(updatedNode);
}
}
return result;
};
const treeWithoutDragged = removeNode(prev);
if (!extractedNode) return prev;
const safeExtractedNode: Task = extractedNode;
let determinedParentId: string | null = null;
// 2. Insert into the target position
if (position === "inside") {
determinedParentId = targetId;
const insertInside = (nodes: Task[]): { list: Task[]; inserted: boolean } => {
let hasInserted = false;
const newNodes = nodes.map((node) => {
if (node.id === targetId) {
hasInserted = true;
const nodeWithNewParent: Task = { ...safeExtractedNode, parentId: targetId };
return {
...node,
children: [...(node.children || []), nodeWithNewParent],
};
}
if (node.children && node.children.length > 0) {
const res = insertInside(node.children);
if (res.inserted) {
hasInserted = true;
return { ...node, children: res.list };
}
}
return node;
});
return { list: newNodes, inserted: hasInserted };
};
const result = insertInside(treeWithoutDragged);
const finalTree = result.inserted ? result.list : [...treeWithoutDragged, { ...safeExtractedNode, parentId: null }];
if (isDemo && typeof window !== "undefined") {
const store = getDemoStore();
saveDemoStore(store.lists, finalTree as unknown as MockTask[]);
} else {
fetch(`/api/tasks/${draggedId}`, {
method: "PATCH",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ parentId: determinedParentId }),
}).catch((err) => console.error("Failed to update parentId", err));
}
return finalTree;
} else {
// Drop before/after as sibling (if target is at root level, parentId becomes null -> promoted to 1st level)
const insertSibling = (nodes: Task[], currentParentId: string | null): { list: Task[]; inserted: boolean } => {
const idx = nodes.findIndex((n) => n.id === targetId);
if (idx !== -1) {
determinedParentId = currentParentId;
const insertIdx = position === "before" ? idx : idx + 1;
const nodeWithNewParent: Task = { ...safeExtractedNode, parentId: currentParentId };
const newNodes = [...nodes];
newNodes.splice(insertIdx, 0, nodeWithNewParent);
return { list: newNodes, inserted: true };
}
let hasInserted = false;
const newNodes = nodes.map((node) => {
if (!hasInserted && node.children && node.children.length > 0) {
const res = insertSibling(node.children, node.id);
if (res.inserted) {
hasInserted = true;
return { ...node, children: res.list };
}
}
return node;
});
return { list: newNodes, inserted: hasInserted };
};
const result = insertSibling(treeWithoutDragged, null);
const finalTree = result.inserted ? result.list : [...treeWithoutDragged, { ...safeExtractedNode, parentId: null }];
if (isDemo && typeof window !== "undefined") {
const store = getDemoStore();
saveDemoStore(store.lists, finalTree as unknown as MockTask[]);
} else {
fetch(`/api/tasks/${draggedId}`, {
method: "PATCH",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ parentId: determinedParentId }),
}).catch((err) => console.error("Failed to update sibling parentId", err));
}
return finalTree;
}
});
}, [isDemo, setTasks]);
const handleDeleteTask = useCallback((task: Task) => {
if (onDeleteTaskWithUndo) {
onDeleteTaskWithUndo(task);
} else if (onDeleteTask) {
onDeleteTask(task.id);
}
}, [onDeleteTaskWithUndo, onDeleteTask]);
if (!listId && !isTrashActive && !selectedTag) {
return (
<div style={{ display: "flex", flexDirection: "column", alignItems: "center", justifyContent: "center", height: "100%", color: "var(--text-tertiary)" }}>
<svg width="48" height="48" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.5" style={{ opacity: 0.3, marginBottom: 12 }}>
<path d="M9 11l3 3L22 4" /><path d="M21 12v7a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h11" />
</svg>
<p>{t("selectListToStart")}</p>
</div>
);
}
// Filter top-level vs completed
const incompleteTasks = tasks.filter((t) => !t.completed);
const completedTasks = tasks.filter((t) => t.completed);
return (
<div style={{ display: "flex", flexDirection: "column", height: "100%" }}>
{/* Header */}
<div className="main-header" style={{ justifyContent: "space-between" }}>
<div style={{ display: "flex", alignItems: "center", gap: 10, flex: 1, minWidth: 0, marginRight: 12 }}>
<button className="icon-btn mobile-only" id="menu-btn" onClick={onMenuOpen} aria-label="Menu" type="button">
<svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2">
<line x1="3" y1="6" x2="21" y2="6" /><line x1="3" y1="12" x2="21" y2="12" /><line x1="3" y1="18" x2="21" y2="18" />
</svg>
</button>
{/* Header Title / Trash Header / Tag Header */}
{isTrashActive ? (
<div style={{ display: "flex", alignItems: "center", gap: 8, minWidth: 0 }}>
<span style={{ fontSize: 18, fontWeight: 700, color: "var(--danger)" }}>🗑️ {t("trash") || "Trash"}</span>
<span style={{ fontSize: 12, color: "var(--text-tertiary)" }}>({tasks.length})</span>
</div>
) : selectedTag ? (
<div style={{ display: "flex", alignItems: "center", gap: 8, minWidth: 0 }}>
<span style={{ fontSize: 18, fontWeight: 700, color: "var(--accent)" }}>🏷️ #{selectedTag}</span>
<span style={{ fontSize: 12, color: "var(--text-tertiary)" }}>({tasks.length})</span>
</div>
) : editingHeader ? (
<input
ref={headerInputRef}
id="header-rename-input"
className="form-input"
value={headerTitle}
onChange={(e) => setHeaderTitle(e.target.value)}
onBlur={handleSaveHeaderTitle}
onKeyDown={(e) => {
if (e.key === "Enter") handleSaveHeaderTitle();
if (e.key === "Escape") {
if (currentList) setHeaderTitle(currentList.name);
setEditingHeader(false);
}
}}
onClick={(e) => e.stopPropagation()}
autoFocus
style={{ fontSize: 18, fontWeight: 700, height: 36, padding: "2px 10px", width: "100%", maxWidth: 320 }}
/>
) : (
<div
className="main-header-title"
id="main-header-title"
style={{
color: currentList?.color,
cursor: "pointer",
display: "flex",
alignItems: "center",
gap: 8,
padding: "4px 8px",
borderRadius: "var(--radius-sm)",
transition: "background var(--dur-fast)",
minWidth: 0,
overflow: "hidden",
textOverflow: "ellipsis",
whiteSpace: "nowrap",
}}
onClick={(e) => {
e.stopPropagation();
setEditingHeader(true);
}}
title="Click to rename list"
>
<span style={{ overflow: "hidden", textOverflow: "ellipsis", whiteSpace: "nowrap" }}>{currentList?.name || t("tasks")}</span>
<span style={{ fontSize: 12, color: "var(--text-tertiary)", fontWeight: 400, flexShrink: 0 }}>
({incompleteTasks.length})
</span>
</div>
)}
</div>
{/* Header Actions */}
<div className="main-header-actions" style={{ flexShrink: 0, marginLeft: "auto", display: "flex", alignItems: "center", gap: 8 }}>
{/* View Switcher: Minimal & Matte Single Toggle (Only shown when Kanban is enabled in Labs) */}
{!isTrashActive && !selectedTag && kanbanEnabled && (
<button
type="button"
className={`view-switcher-toggle-btn${viewMode === "kanban" ? " active" : ""}`}
onClick={handleToggleViewMode}
title={viewMode === "kanban" ? `${t("listView")} (Switch to List)` : `${t("kanbanView")} (Switch to Kanban)`}
style={{
display: "inline-flex",
alignItems: "center",
gap: 5,
padding: "4px 8px",
fontSize: 12,
fontWeight: 600,
background: viewMode === "kanban" ? "var(--accent-light)" : "var(--bg-secondary)",
color: viewMode === "kanban" ? "var(--accent)" : "var(--text-secondary)",
border: "1px solid var(--border)",
borderRadius: "var(--radius-sm)",
cursor: "pointer",
transition: "all var(--dur-fast)",
}}
>
<span>{viewMode === "kanban" ? "📊" : "📋"}</span>
<span style={{ fontSize: 11.5 }}>
{viewMode === "kanban" ? t("kanbanView") : t("listView")}
</span>
</button>
)}
{isTrashActive ? (
<button
id="empty-trash-btn"
className="btn btn-ghost btn-sm"
style={{ color: "var(--danger)" }}
onClick={onEmptyTrash}
type="button"
>
🧹 {t("emptyTrash") || "Empty Trash"}
</button>
) : (
<button
id="toggle-completed-btn"
className="btn btn-ghost btn-sm"
onClick={onToggleCompleted}
title={showCompleted ? t("hideDone") : t("showDone")}
type="button"
>
<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2">
<polyline points="20 6 9 17 4 12" />
</svg>
<span className="desktop-only">{showCompleted ? t("hideDone") : t("showDone")}</span>
</button>
)}
</div>
</div>
{/* Main Task View (List View vs Kanban View) */}
{viewMode === "kanban" && !isTrashActive && !selectedTag ? (
<div style={{ flex: 1, minHeight: 0, overflow: "hidden" }}>
<KanbanView
tasks={tasks}
selectedTaskId={selectedTaskId}
onSelectTask={onTaskSelect}
onToggleTask={handleToggle}
onAddTask={(title, priority = 0) => {
if (!listId) return;
if (isDemo && onDemoAddTask) {
onDemoAddTask(title, listId, null, { priority });
} else if (!isDemo) {
fetch("/api/tasks", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ title, listId, priority }),
}).then(() => onRefresh());
}
}}
/>
</div>
) : (
/* Task list container */
<div
className="task-list-container"
onContextMenu={(e) => {
if (e.target === e.currentTarget) {
e.preventDefault();
}
}}
>
{loading && (
<div style={{ padding: "20px", textAlign: "center", color: "var(--text-tertiary)" }}>{t("loading")}</div>
)}
{!loading && tasks.length === 0 && (
<div className="task-list-empty">
<svg width="56" height="56" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.5">
<path d="M9 11l3 3L22 4" /><path d="M21 12v7a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h11" />
</svg>
<p>{isTrashActive ? "Trash is empty" : selectedTag ? "No tasks with this tag" : t("noTasksYet")}</p>
</div>
)}
{/* Tasks Tree */}
{(isTrashActive ? tasks : incompleteTasks).map((task) => (
<RecursiveTaskItem
key={task.id}
task={task}
depth={0}
isSelected={selectedTaskId === task.id}
onSelect={onTaskSelect}
onToggle={handleToggle}
onUpdateTitle={(id, title) => onUpdateTaskTitle && onUpdateTaskTitle(id, title)}
onAddSubtask={handleAddSubtaskInline}
onContextMenu={(x, y, tItem) => setContextMenu({ x, y, task: tItem })}
isTrashMode={isTrashActive}
onRestore={onRestoreTask}
onPermanentDelete={onPermanentDeleteTask}
onDragTask={handleReorderTasks}
/>
))}
{/* Completed Tasks */}
{!isTrashActive && showCompleted && completedTasks.length > 0 && (
<div>
<div
style={{
padding: "16px 20px 6px",
fontSize: 11,
fontWeight: 600,
color: "var(--text-tertiary)",
textTransform: "uppercase",
letterSpacing: "0.5px",
}}
>
{t("completedSection")} ({completedTasks.length})
</div>
{completedTasks.map((task) => (
<RecursiveTaskItem
key={task.id}
task={task}
depth={0}
isSelected={selectedTaskId === task.id}
onSelect={onTaskSelect}
onToggle={handleToggle}
onUpdateTitle={(id, title) => onUpdateTaskTitle && onUpdateTaskTitle(id, title)}
onAddSubtask={handleAddSubtaskInline}
onContextMenu={(x, y, tItem) => setContextMenu({ x, y, task: tItem })}
isTrashMode={isTrashActive}
onRestore={onRestoreTask}
onPermanentDelete={onPermanentDeleteTask}
onDragTask={handleReorderTasks}
/>
))}
</div>
)}
</div>
)}
{/* Full-featured Context Menu */}
{contextMenu && !isTrashActive && (
<ContextMenu
x={contextMenu.x}
y={contextMenu.y}
items={[
{
label: contextMenu.task.completed ? t("showDone") : t("completedSection"),
icon: contextMenu.task.completed ? "↩️" : "✅",
onClick: () => handleToggle(contextMenu.task.id, !contextMenu.task.completed),
},
{
label: t("taskTitlePlaceholder"),
icon: "✏️",
onClick: () => onTaskSelect(contextMenu.task),
},
{
label: t("subtasks"),
icon: "↳",
onClick: () => {
onTaskSelect(contextMenu.task);
},
},
{ divider: true, label: "" },
{
label: t("deleteTaskConfirm").split("?")[0],
icon: "🗑️",
danger: true,
onClick: () => handleDeleteTask(contextMenu.task),
},
]}
onClose={() => setContextMenu(null)}
/>
)}
{/* Add task bar with TickTick-style Quick Presets (hidden in trash mode) */}
{!isTrashActive && !selectedTag && (
<div className="add-task-bar" style={{ display: "flex", flexDirection: "column", gap: 6 }}>
<form onSubmit={handleAddTask} style={{ display: "flex", alignItems: "center", gap: 8, width: "100%" }}>
<button className="task-check-btn" style={{ opacity: 0.4, flexShrink: 0 }} aria-hidden="true" type="button" />
<input
ref={inputRef}
id="add-task-input"
className="add-task-input"
placeholder={t("addTaskPlaceholder")}
value={newTaskTitle}
onChange={(e) => setNewTaskTitle(e.target.value)}
/>
{newTaskTitle.trim() && (
<button type="submit" className="btn btn-primary btn-sm" id="add-task-btn">
{t("add")}
</button>
)}
</form>
{/* TickTick-style Preset Toolbar (Due Date, Priority) */}
<div style={{ display: "flex", alignItems: "center", gap: 8, paddingLeft: 28, flexWrap: "wrap" }}>
{/* Due Date Preset */}
<div style={{ position: "relative" }}>
<button
type="button"
className={`tick-meta-chip${quickDueDate ? " active" : ""}`}
onClick={() => setShowQuickDue((p) => !p)}
style={{
fontSize: 11,
padding: "2px 8px",
borderRadius: "var(--radius-sm)",
color: quickDueDate ? "var(--accent)" : "var(--text-tertiary)",
borderColor: quickDueDate ? "var(--accent)" : "transparent",
}}
title={t("selectDate")}
>
📅 {quickDueDate ? new Date(quickDueDate).toLocaleDateString(undefined, { month: "short", day: "numeric" }) : t("selectDate")}
</button>
{showQuickDue && (
<div
className="dropdown"
style={{ left: 0, bottom: "calc(100% + 6px)", minWidth: 150, padding: 6, zIndex: 120 }}
onClick={(e) => e.stopPropagation()}
>
<div
className="context-menu-item"
style={{ padding: "4px 8px", fontSize: 12, cursor: "pointer" }}
onClick={() => {
setQuickDueDate(new Date().toISOString().split("T")[0]);
setShowQuickDue(false);
}}
>
{t("quickToday")}
</div>
<div
className="context-menu-item"
style={{ padding: "4px 8px", fontSize: 12, cursor: "pointer" }}
onClick={() => {
const tm = new Date(Date.now() + 86400000).toISOString().split("T")[0];
setQuickDueDate(tm);
setShowQuickDue(false);
}}
>
🌅 {t("quickTomorrow")}
</div>
<div
className="context-menu-item"
style={{ padding: "4px 8px", fontSize: 12, cursor: "pointer" }}
onClick={() => {
const nw = new Date(Date.now() + 7 * 86400000).toISOString().split("T")[0];
setQuickDueDate(nw);
setShowQuickDue(false);
}}
>
🗓️ {t("quickNextWeek")}
</div>
<div style={{ borderTop: "1px solid var(--border)", margin: "4px 0", paddingTop: 4 }}>
<input
type="date"
className="form-input"
style={{ fontSize: 11, padding: "2px 6px", width: "100%" }}
value={quickDueDate || ""}
onChange={(e) => {
setQuickDueDate(e.target.value || null);
setShowQuickDue(false);
}}
/>
</div>
{quickDueDate && (
<div
className="context-menu-item"
style={{ padding: "4px 8px", fontSize: 11, color: "var(--danger)", cursor: "pointer" }}
onClick={() => {
setQuickDueDate(null);
setShowQuickDue(false);
}}
>
{t("clear")}
</div>
)}
</div>
)}
</div>
{/* Priority Preset */}
<div style={{ position: "relative" }}>
<button
type="button"
className={`tick-meta-chip${quickPriority > 0 ? " active" : ""}`}
onClick={() => setShowQuickPriority((p) => !p)}
style={{
fontSize: 11,
padding: "2px 8px",
borderRadius: "var(--radius-sm)",
color: quickPriority > 0 ? PRIORITY_COLORS[quickPriority] : "var(--text-tertiary)",
borderColor: quickPriority > 0 ? PRIORITY_COLORS[quickPriority] : "transparent",
}}
title={t("selectPriority")}
>
🚩 {quickPriority > 0 ? priorityLabels[quickPriority] : t("selectPriority")}
</button>
{showQuickPriority && (
<div
className="dropdown"
style={{ left: 0, bottom: "calc(100% + 6px)", minWidth: 120, padding: 4, zIndex: 120 }}
onClick={(e) => e.stopPropagation()}
>
{[0, 1, 2, 3].map((pVal) => (
<div
key={pVal}
className="context-menu-item"
style={{
padding: "4px 8px",
fontSize: 12,
cursor: "pointer",
color: pVal > 0 ? PRIORITY_COLORS[pVal] : "inherit",
fontWeight: quickPriority === pVal ? 700 : 400,
}}
onClick={() => {
setQuickPriority(pVal);
setShowQuickPriority(false);
}}
>
{pVal === 0 ? `○ ${t("priorityNone")}` : `● ${priorityLabels[pVal]}`}
</div>
))}
</div>
)}
</div>
{/* Quick Helper Text */}
{(quickDueDate || quickPriority > 0) && (
<button
type="button"
className="btn btn-ghost btn-sm"
style={{ fontSize: 10, padding: "1px 6px", opacity: 0.6 }}
onClick={() => {
setQuickDueDate(null);
setQuickPriority(0);
}}
>
{t("clear")}
</button>
)}
</div>
</div>
)}
</div>
);
}