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377
src/calendar/widgets/AddEventForm.py
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377
src/calendar/widgets/AddEventForm.py
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"""Reusable Add Event form widget for Calendar TUI.
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This widget can be used standalone in modals or embedded in other screens.
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"""
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from dataclasses import dataclass
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from datetime import datetime, date, time, timedelta
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from typing import Optional
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from textual.app import ComposeResult
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from textual.containers import Horizontal, Vertical, ScrollableContainer
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from textual.message import Message
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from textual.widget import Widget
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from textual.widgets import Input, Label, Select, TextArea, Checkbox, MaskedInput
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@dataclass
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class EventFormData:
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"""Data from the add event form."""
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title: str
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start_date: date
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start_time: time
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end_date: date
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end_time: time
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location: Optional[str] = None
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description: Optional[str] = None
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calendar: Optional[str] = None
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all_day: bool = False
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@property
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def start_datetime(self) -> datetime:
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"""Get start as datetime."""
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return datetime.combine(self.start_date, self.start_time)
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@property
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def end_datetime(self) -> datetime:
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"""Get end as datetime."""
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return datetime.combine(self.end_date, self.end_time)
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class AddEventForm(Widget):
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"""A reusable form widget for creating/editing calendar events.
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This widget emits EventFormData when submitted and can be embedded
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in various contexts (modal screens, sidebars, etc.)
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"""
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DEFAULT_CSS = """
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AddEventForm {
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width: 100%;
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height: auto;
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padding: 1;
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}
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AddEventForm ScrollableContainer {
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height: auto;
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max-height: 100%;
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}
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AddEventForm .form-row {
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width: 100%;
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height: auto;
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margin-bottom: 1;
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}
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AddEventForm .form-label {
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width: 12;
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height: 1;
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padding-right: 1;
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}
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AddEventForm .form-input {
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width: 1fr;
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}
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AddEventForm #title-input {
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width: 1fr;
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}
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AddEventForm .date-input {
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width: 14;
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}
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AddEventForm .time-input {
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width: 10;
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}
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AddEventForm #calendar-select {
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width: 1fr;
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}
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AddEventForm #location-input {
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width: 1fr;
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}
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AddEventForm #description-textarea {
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width: 1fr;
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height: 6;
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}
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AddEventForm .required {
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color: $error;
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}
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AddEventForm .datetime-row {
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width: 100%;
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height: auto;
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}
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AddEventForm .datetime-group {
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width: auto;
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height: auto;
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margin-right: 2;
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}
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AddEventForm .datetime-label {
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width: auto;
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padding-right: 1;
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color: $text-muted;
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}
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"""
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class Submitted(Message):
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"""Message emitted when the form is submitted."""
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def __init__(self, data: EventFormData) -> None:
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super().__init__()
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self.data = data
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class Cancelled(Message):
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"""Message emitted when the form is cancelled."""
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pass
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def __init__(
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self,
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calendars: list[str] | None = None,
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initial_date: date | None = None,
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initial_time: time | None = None,
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initial_data: EventFormData | None = None,
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**kwargs,
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):
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"""Initialize the add event form.
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Args:
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calendars: List of available calendar names for the dropdown
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initial_date: Pre-populate with this date
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initial_time: Pre-populate with this time
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initial_data: Pre-populate form with this data (overrides date/time)
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"""
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super().__init__(**kwargs)
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self._calendars = calendars or []
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self._initial_date = initial_date or date.today()
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self._initial_time = initial_time or time(9, 0)
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self._initial_data = initial_data
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def compose(self) -> ComposeResult:
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"""Compose the form layout."""
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if self._initial_data:
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initial = self._initial_data
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start_date = initial.start_date
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start_time = initial.start_time
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end_date = initial.end_date
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end_time = initial.end_time
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title = initial.title
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location = initial.location or ""
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description = initial.description or ""
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calendar = initial.calendar or ""
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all_day = initial.all_day
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else:
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start_date = self._initial_date
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start_time = self._initial_time
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# Default to 1 hour duration
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end_date = start_date
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end_time = time(start_time.hour + 1, start_time.minute)
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if start_time.hour >= 23:
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end_time = time(23, 59)
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title = ""
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location = ""
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description = ""
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calendar = ""
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all_day = False
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with ScrollableContainer():
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# Title (required)
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with Horizontal(classes="form-row"):
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yield Label("Title", classes="form-label")
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yield Label("*", classes="required")
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yield Input(
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value=title,
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placeholder="Event title...",
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id="title-input",
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classes="form-input",
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)
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# Start Date/Time
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with Vertical(classes="form-row"):
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yield Label("Start", classes="form-label")
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with Horizontal(classes="datetime-row"):
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with Horizontal(classes="datetime-group"):
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yield Label("Date:", classes="datetime-label")
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yield MaskedInput(
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template="9999-99-99",
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value=start_date.strftime("%Y-%m-%d"),
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id="start-date-input",
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classes="date-input",
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)
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with Horizontal(classes="datetime-group"):
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yield Label("Time:", classes="datetime-label")
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yield MaskedInput(
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template="99:99",
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value=start_time.strftime("%H:%M"),
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id="start-time-input",
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classes="time-input",
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)
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# End Date/Time
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with Vertical(classes="form-row"):
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yield Label("End", classes="form-label")
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with Horizontal(classes="datetime-row"):
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with Horizontal(classes="datetime-group"):
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yield Label("Date:", classes="datetime-label")
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yield MaskedInput(
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template="9999-99-99",
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value=end_date.strftime("%Y-%m-%d"),
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id="end-date-input",
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classes="date-input",
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)
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with Horizontal(classes="datetime-group"):
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yield Label("Time:", classes="datetime-label")
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yield MaskedInput(
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template="99:99",
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value=end_time.strftime("%H:%M"),
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id="end-time-input",
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classes="time-input",
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)
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# All day checkbox
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with Horizontal(classes="form-row"):
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yield Label("", classes="form-label")
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yield Checkbox("All day event", value=all_day, id="all-day-checkbox")
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# Calendar selection (optional dropdown)
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if self._calendars:
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with Horizontal(classes="form-row"):
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yield Label("Calendar", classes="form-label")
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options = [("(default)", "")] + [(c, c) for c in self._calendars]
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yield Select(
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options=options,
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value=calendar,
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id="calendar-select",
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allow_blank=True,
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)
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# Location (optional)
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with Horizontal(classes="form-row"):
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yield Label("Location", classes="form-label")
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yield Input(
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value=location,
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placeholder="Event location...",
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id="location-input",
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classes="form-input",
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)
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# Description (optional textarea)
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with Vertical(classes="form-row"):
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yield Label("Description", classes="form-label")
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yield TextArea(
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description,
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id="description-textarea",
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)
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def get_form_data(self) -> EventFormData:
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"""Extract current form data.
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Returns:
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EventFormData with current form values
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"""
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title = self.query_one("#title-input", Input).value.strip()
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# Parse start date/time from MaskedInput
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start_date_input = self.query_one("#start-date-input", MaskedInput)
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start_time_input = self.query_one("#start-time-input", MaskedInput)
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start_date_str = start_date_input.value.strip()
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start_time_str = start_time_input.value.strip()
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try:
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start_date = datetime.strptime(start_date_str, "%Y-%m-%d").date()
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except ValueError:
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start_date = date.today()
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try:
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start_time = datetime.strptime(start_time_str, "%H:%M").time()
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except ValueError:
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start_time = time(9, 0)
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# Parse end date/time from MaskedInput
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end_date_input = self.query_one("#end-date-input", MaskedInput)
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end_time_input = self.query_one("#end-time-input", MaskedInput)
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end_date_str = end_date_input.value.strip()
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end_time_str = end_time_input.value.strip()
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try:
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end_date = datetime.strptime(end_date_str, "%Y-%m-%d").date()
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except ValueError:
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end_date = start_date
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try:
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end_time = datetime.strptime(end_time_str, "%H:%M").time()
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except ValueError:
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end_time = time(start_time.hour + 1, start_time.minute)
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# All day
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all_day = self.query_one("#all-day-checkbox", Checkbox).value
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# Calendar
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calendar: str | None = None
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try:
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calendar_select = self.query_one("#calendar-select", Select)
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cal_value = calendar_select.value
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if isinstance(cal_value, str) and cal_value:
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calendar = cal_value
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except Exception:
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pass # No calendar select
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# Location
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location = self.query_one("#location-input", Input).value.strip() or None
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# Description
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try:
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desc_area = self.query_one("#description-textarea", TextArea)
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description = desc_area.text.strip() or None
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except Exception:
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description = None
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return EventFormData(
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title=title,
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start_date=start_date,
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start_time=start_time,
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end_date=end_date,
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end_time=end_time,
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location=location,
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description=description,
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calendar=calendar,
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all_day=all_day,
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)
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def validate(self) -> tuple[bool, str]:
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"""Validate the form data.
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Returns:
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Tuple of (is_valid, error_message)
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"""
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data = self.get_form_data()
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if not data.title:
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return False, "Title is required"
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# Validate that end is after start
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if data.end_datetime <= data.start_datetime:
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return False, "End time must be after start time"
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return True, ""
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def submit(self) -> bool:
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"""Validate and submit the form.
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Returns:
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True if form was valid and submitted, False otherwise
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"""
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is_valid, error = self.validate()
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if not is_valid:
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return False
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self.post_message(self.Submitted(self.get_form_data()))
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return True
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def cancel(self) -> None:
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"""Cancel the form."""
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self.post_message(self.Cancelled())
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