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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.
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17 changed files with 696 additions and 176 deletions
52
Userland/Applications/Calendar/EventCalendar.cpp
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52
Userland/Applications/Calendar/EventCalendar.cpp
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/*
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* Copyright (c) 2023, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "EventCalendar.h"
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#include <LibGUI/Painter.h>
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#include <LibGfx/Font/FontDatabase.h>
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#include <LibGfx/Palette.h>
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REGISTER_WIDGET(::Calendar, EventCalendar);
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namespace Calendar {
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static constexpr int tile_breakpoint = 50;
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EventCalendar::EventCalendar(Core::DateTime date_time, Mode mode)
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: Calendar(date_time, mode)
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, m_event_manager(EventManager::create())
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{
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}
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void EventCalendar::paint_tile(GUI::Painter& painter, GUI::Calendar::Tile& tile, Gfx::IntRect& tile_rect, int x_offset, int y_offset, int day_offset)
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{
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Calendar::paint_tile(painter, tile, tile_rect, x_offset, y_offset, day_offset);
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auto events = m_event_manager->events();
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if (tile.width > tile_breakpoint && tile.height > tile_breakpoint) {
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auto index = 0;
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auto font_height = font().x_height();
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events.for_each([&](JsonValue const& value) {
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auto const& event = value.as_object();
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if (!event.has("start_date"sv) || !event.has("summary"sv))
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return;
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auto start_date = event.get("start_date"sv).value().to_deprecated_string();
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auto summary = event.get("summary"sv).value().to_deprecated_string();
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if (start_date == DeprecatedString::formatted("{}-{:0>2d}-{:0>2d}", tile.year, tile.month, tile.day)) {
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auto text_rect = tile.rect.translated(4, 4 + (font_height + 8) * ++index);
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painter.draw_text(text_rect, summary, Gfx::FontDatabase::default_font(), Gfx::TextAlignment::TopLeft, palette().base_text());
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}
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});
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}
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}
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}
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