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feat: enable batch toggling in my schedule #2

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feat: enable batch toggling in my schedule #2

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103 changes: 85 additions & 18 deletions app/page.tsx
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
"use client";

import { useState } from "react";
import { useState, useEffect, useRef } from "react";
import { Button } from "@/components/ui/button";
import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
import { Badge } from "@/components/ui/badge";
Expand Down Expand Up @@ -84,17 +84,57 @@ const INITIAL_MEMBERS: Member[] = [

// ─── Schedule Grid Component ──────────────────────────────────────────────────

type DragState = {
startDay: number;
startHourIdx: number;
curDay: number;
curHourIdx: number;
filling: boolean; // true = turning slots ON, false = turning OFF
};

function ScheduleGrid({
availability,
onToggle,
onBatchToggle,
emerald = false,
}: {
availability: TimeSlot[];
onToggle?: (day: number, hour: number) => void;
onBatchToggle?: (slots: TimeSlot[], fill: boolean) => void;
emerald?: boolean;
}) {
const [drag, setDrag] = useState<DragState | null>(null);
const dragging = useRef(false);

// Commit the selection when mouse is released anywhere
useEffect(() => {
function handleMouseUp() {
if (!dragging.current || !drag) return;
const d0 = Math.min(drag.startDay, drag.curDay);
const d1 = Math.max(drag.startDay, drag.curDay);
const h0 = Math.min(drag.startHourIdx, drag.curHourIdx);
const h1 = Math.max(drag.startHourIdx, drag.curHourIdx);
const selected: TimeSlot[] = [];
for (let d = d0; d <= d1; d++)
for (let hi = h0; hi <= h1; hi++)
selected.push(slot(d, HOURS[hi]));
onBatchToggle?.(selected, drag.filling);
dragging.current = false;
setDrag(null);
}
document.addEventListener("mouseup", handleMouseUp);
return () => document.removeEventListener("mouseup", handleMouseUp);
}, [drag, onBatchToggle]);

function inDragRect(d: number, hi: number): boolean {
if (!drag) return false;
const d0 = Math.min(drag.startDay, drag.curDay);
const d1 = Math.max(drag.startDay, drag.curDay);
const h0 = Math.min(drag.startHourIdx, drag.curHourIdx);
const h1 = Math.max(drag.startHourIdx, drag.curHourIdx);
return d >= d0 && d <= d1 && hi >= h0 && hi <= h1;
}

return (
<div className="overflow-x-auto">
<div className="overflow-x-auto select-none">
<table className="w-full text-sm border-collapse">
<thead>
<tr>
Expand All @@ -107,24 +147,52 @@ function ScheduleGrid({
</tr>
</thead>
<tbody>
{HOURS.map((h) => (
{HOURS.map((h, hi) => (
<tr key={h}>
<td className="text-right pr-3 text-muted-foreground text-xs py-0.5 whitespace-nowrap">
{h}:00
</td>
{DAYS.map((_, d) => {
const s = slot(d, h);
const active = availability.includes(s);
const cellClass = active
? emerald
const inRect = inDragRect(d, hi);

let cellClass: string;
if (inRect) {
// Preview: show what the result will be
cellClass = drag!.filling
? "bg-primary/60 border-primary/60"
: "bg-muted border-border opacity-40";
} else if (active) {
cellClass = emerald
? "bg-emerald-400 border-emerald-400"
: "bg-primary border-primary"
: "bg-muted border-border hover:bg-muted/60";
: "bg-primary border-primary";
} else {
cellClass = "bg-muted border-border hover:bg-muted/60";
}

return (
<td key={d} className="p-0.5">
<div
className={`h-8 rounded border transition-colors ${cellClass} ${onToggle ? "cursor-pointer" : "cursor-default"}`}
onClick={() => onToggle?.(d, h)}
className={`h-8 rounded border transition-colors ${cellClass} ${onBatchToggle ? "cursor-pointer" : "cursor-default"}`}
onMouseDown={(e) => {
if (!onBatchToggle) return;
e.preventDefault();
dragging.current = true;
setDrag({
startDay: d,
startHourIdx: hi,
curDay: d,
curHourIdx: hi,
filling: !active,
});
}}
onMouseOver={() => {
if (!dragging.current) return;
setDrag((prev) =>
prev ? { ...prev, curDay: d, curHourIdx: hi } : prev
);
}}
/>
</td>
);
Expand Down Expand Up @@ -170,17 +238,16 @@ export default function MeetFlow() {
).map((h) => slot(d, h))
);

function toggleMySlot(day: number, hour: number) {
const s = slot(day, hour);
function batchToggleMySlots(slots: TimeSlot[], fill: boolean) {
setMembers((prev) =>
prev.map((m) =>
m.id !== "me"
? m
: {
...m,
availability: m.availability.includes(s)
? m.availability.filter((x) => x !== s)
: [...m.availability, s],
availability: fill
? [...new Set([...m.availability, ...slots])]
: m.availability.filter((x) => !slots.includes(x)),
}
)
);
Expand Down Expand Up @@ -305,7 +372,7 @@ export default function MeetFlow() {
<div className="mb-5">
<h2 className="text-base font-semibold">我的時間表</h2>
<p className="text-sm text-muted-foreground mt-0.5">
點擊格子來切換你的空閒時段
點擊或拖曳選取矩形範圍來批次切換空閒時段
</p>
</div>
<Card>
Expand All @@ -318,7 +385,7 @@ export default function MeetFlow() {
/>
<ScheduleGrid
availability={me.availability}
onToggle={toggleMySlot}
onBatchToggle={batchToggleMySlots}
/>
</CardContent>
</Card>
Expand Down