Implement full-screen monthly calendar UI
Added a comprehensive monthly calendar component with modern styling: - Full monthly view with proper date calculations - Current day highlighting and navigation - Responsive design for all screen sizes - Event indicator support for future integration - Takes up most of screen space as requested 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Connor Johnstone
186
src/components/calendar.rs
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186
src/components/calendar.rs
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use yew::prelude::*;
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use chrono::{Datelike, Local, NaiveDate, Duration, Weekday};
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use std::collections::HashMap;
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#[derive(Properties, PartialEq)]
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pub struct CalendarProps {
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#[prop_or_default]
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pub events: HashMap<NaiveDate, Vec<String>>,
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}
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#[function_component]
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pub fn Calendar(props: &CalendarProps) -> Html {
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let today = Local::now().date_naive();
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let current_month = use_state(|| today);
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let first_day_of_month = current_month.with_day(1).unwrap();
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let days_in_month = get_days_in_month(*current_month);
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let first_weekday = first_day_of_month.weekday();
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let days_from_prev_month = get_days_from_previous_month(*current_month, first_weekday);
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let prev_month = {
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let current_month = current_month.clone();
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Callback::from(move |_| {
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let prev = *current_month - Duration::days(1);
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let first_of_prev = prev.with_day(1).unwrap();
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current_month.set(first_of_prev);
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})
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};
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let next_month = {
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let current_month = current_month.clone();
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Callback::from(move |_| {
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let next = if current_month.month() == 12 {
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NaiveDate::from_ymd_opt(current_month.year() + 1, 1, 1).unwrap()
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} else {
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NaiveDate::from_ymd_opt(current_month.year(), current_month.month() + 1, 1).unwrap()
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};
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current_month.set(next);
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})
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};
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html! {
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<div class="calendar">
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<div class="calendar-header">
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<button class="nav-button" onclick={prev_month}>{"‹"}</button>
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<h2 class="month-year">{format!("{} {}", get_month_name(current_month.month()), current_month.year())}</h2>
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<button class="nav-button" onclick={next_month}>{"›"}</button>
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</div>
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<div class="calendar-grid">
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// Weekday headers
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<div class="weekday-header">{"Sun"}</div>
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<div class="weekday-header">{"Mon"}</div>
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<div class="weekday-header">{"Tue"}</div>
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<div class="weekday-header">{"Wed"}</div>
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<div class="weekday-header">{"Thu"}</div>
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<div class="weekday-header">{"Fri"}</div>
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<div class="weekday-header">{"Sat"}</div>
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// Days from previous month (grayed out)
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{
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days_from_prev_month.iter().map(|day| {
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html! {
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<div class="calendar-day prev-month">{*day}</div>
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}
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}).collect::<Html>()
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}
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// Days of current month
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{
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(1..=days_in_month).map(|day| {
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let date = current_month.with_day(day).unwrap();
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let is_today = date == today;
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let events = props.events.get(&date).cloned().unwrap_or_default();
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let mut classes = vec!["calendar-day", "current-month"];
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if is_today {
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classes.push("today");
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}
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if !events.is_empty() {
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classes.push("has-events");
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}
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html! {
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<div class={classes!(classes)}>
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<div class="day-number">{day}</div>
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{
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if !events.is_empty() {
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html! {
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<div class="event-indicators">
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{
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events.iter().take(3).map(|event| {
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html! { <div class="event-dot" title={event.clone()}></div> }
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}).collect::<Html>()
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}
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{
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if events.len() > 3 {
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html! { <div class="more-events">{format!("+{}", events.len() - 3)}</div> }
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} else {
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html! {}
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}
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}
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</div>
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}
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} else {
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html! {}
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}
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}
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</div>
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}
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}).collect::<Html>()
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}
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{ render_next_month_days(days_from_prev_month.len(), days_in_month) }
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</div>
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</div>
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}
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}
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fn render_next_month_days(prev_days_count: usize, current_days_count: u32) -> Html {
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let total_slots = 42; // 6 rows x 7 days
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let used_slots = prev_days_count + current_days_count as usize;
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let remaining_slots = if used_slots < total_slots { total_slots - used_slots } else { 0 };
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(1..=remaining_slots).map(|day| {
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html! {
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<div class="calendar-day next-month">{day}</div>
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}
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}).collect::<Html>()
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}
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fn get_days_in_month(date: NaiveDate) -> u32 {
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NaiveDate::from_ymd_opt(
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if date.month() == 12 { date.year() + 1 } else { date.year() },
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if date.month() == 12 { 1 } else { date.month() + 1 },
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1
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)
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.unwrap()
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.pred_opt()
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.unwrap()
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.day()
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}
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fn get_days_from_previous_month(current_month: NaiveDate, first_weekday: Weekday) -> Vec<u32> {
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let days_before = match first_weekday {
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Weekday::Sun => 0,
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Weekday::Mon => 1,
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Weekday::Tue => 2,
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Weekday::Wed => 3,
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Weekday::Thu => 4,
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Weekday::Fri => 5,
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Weekday::Sat => 6,
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};
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if days_before == 0 {
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vec![]
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} else {
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// Calculate the previous month
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let prev_month = if current_month.month() == 1 {
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NaiveDate::from_ymd_opt(current_month.year() - 1, 12, 1).unwrap()
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} else {
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NaiveDate::from_ymd_opt(current_month.year(), current_month.month() - 1, 1).unwrap()
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};
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let prev_month_days = get_days_in_month(prev_month);
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((prev_month_days - days_before as u32 + 1)..=prev_month_days).collect()
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}
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}
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fn get_month_name(month: u32) -> &'static str {
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match month {
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1 => "January",
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2 => "February",
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3 => "March",
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4 => "April",
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5 => "May",
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6 => "June",
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7 => "July",
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8 => "August",
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9 => "September",
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10 => "October",
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11 => "November",
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12 => "December",
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_ => "Invalid"
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}
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}
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