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serenity/Userland/Applications/Calendar/EventCalendar.cpp
Monroe Clinton 1b5b1e4153 Calendar: Implement saving, loading, and displaying of calendars
The user can now save, load, and view calendars. A calendar is made up
of an array of events which are saved in a JSON file. In the future we
should implement the iCalendar standard instead of using a custom
format.
2023-08-07 13:14:58 -06:00

52 lines
1.6 KiB
C++

/*
* Copyright (c) 2023, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "EventCalendar.h"
#include <LibGUI/Painter.h>
#include <LibGfx/Font/FontDatabase.h>
#include <LibGfx/Palette.h>
REGISTER_WIDGET(::Calendar, EventCalendar);
namespace Calendar {
static constexpr int tile_breakpoint = 50;
EventCalendar::EventCalendar(Core::DateTime date_time, Mode mode)
: Calendar(date_time, mode)
, m_event_manager(EventManager::create())
{
}
void EventCalendar::paint_tile(GUI::Painter& painter, GUI::Calendar::Tile& tile, Gfx::IntRect& tile_rect, int x_offset, int y_offset, int day_offset)
{
Calendar::paint_tile(painter, tile, tile_rect, x_offset, y_offset, day_offset);
auto events = m_event_manager->events();
if (tile.width > tile_breakpoint && tile.height > tile_breakpoint) {
auto index = 0;
auto font_height = font().x_height();
events.for_each([&](JsonValue const& value) {
auto const& event = value.as_object();
if (!event.has("start_date"sv) || !event.has("summary"sv))
return;
auto start_date = event.get("start_date"sv).value().to_deprecated_string();
auto summary = event.get("summary"sv).value().to_deprecated_string();
if (start_date == DeprecatedString::formatted("{}-{:0>2d}-{:0>2d}", tile.year, tile.month, tile.day)) {
auto text_rect = tile.rect.translated(4, 4 + (font_height + 8) * ++index);
painter.draw_text(text_rect, summary, Gfx::FontDatabase::default_font(), Gfx::TextAlignment::TopLeft, palette().base_text());
}
});
}
}
}