libcosmic/src/widget/table/widget/standard.rs
Vukašin Vojinović fdf3369cea chore: re-export iced row and column
This removes the custom row and column implementations and uses the iced ones directly.
2026-04-03 20:39:31 +02:00

372 lines
14 KiB
Rust

use derive_setters::Setters;
use crate::widget::table::model::{
Entity, Model,
category::{ItemCategory, ItemInterface},
selection::Selectable,
};
use crate::{
Apply, Element, theme,
widget::{self, container, divider, menu},
};
use iced::{Alignment, Border, Length, Padding};
// THIS IS A PLACEHOLDER UNTIL A MORE SOPHISTICATED WIDGET CAN BE DEVELOPED
#[derive(Setters)]
#[must_use]
pub struct TableView<'a, SelectionMode, Item, Category, Message>
where
Category: ItemCategory,
Item: ItemInterface<Category>,
Model<SelectionMode, Item, Category>: Selectable,
SelectionMode: Default,
Message: Clone + 'static,
{
pub(super) model: &'a Model<SelectionMode, Item, Category>,
#[setters(into)]
pub(super) element_padding: Padding,
#[setters(into)]
pub(super) width: Length,
#[setters(into)]
pub(super) height: Length,
#[setters(into)]
pub(super) item_padding: Padding,
pub(super) item_spacing: u16,
pub(super) icon_spacing: u16,
pub(super) icon_size: u16,
#[setters(into)]
pub(super) divider_padding: Padding,
// === Item Interaction ===
#[setters(skip)]
pub(super) on_item_mb_left: Option<Box<dyn Fn(Entity) -> Message + 'static>>,
#[setters(skip)]
pub(super) on_item_mb_double: Option<Box<dyn Fn(Entity) -> Message + 'static>>,
#[setters(skip)]
pub(super) on_item_mb_mid: Option<Box<dyn Fn(Entity) -> Message + 'static>>,
#[setters(skip)]
pub(super) on_item_mb_right: Option<Box<dyn Fn(Entity) -> Message + 'static>>,
#[setters(skip)]
pub(super) item_context_builder: Box<dyn Fn(&Item) -> Option<Vec<menu::Tree<Message>>>>,
// Item DND
// === Category Interaction ===
#[setters(skip)]
pub(super) on_category_mb_left: Option<Box<dyn Fn(Category) -> Message + 'static>>,
#[setters(skip)]
pub(super) on_category_mb_double: Option<Box<dyn Fn(Category) -> Message + 'static>>,
#[setters(skip)]
pub(super) on_category_mb_mid: Option<Box<dyn Fn(Category) -> Message + 'static>>,
#[setters(skip)]
pub(super) on_category_mb_right: Option<Box<dyn Fn(Category) -> Message + 'static>>,
#[setters(skip)]
pub(super) category_context_builder: Box<dyn Fn(Category) -> Option<Vec<menu::Tree<Message>>>>,
}
impl<'a, SelectionMode, Item, Category, Message>
From<TableView<'a, SelectionMode, Item, Category, Message>> for Element<'a, Message>
where
Category: ItemCategory,
Item: ItemInterface<Category>,
Model<SelectionMode, Item, Category>: Selectable,
SelectionMode: Default,
Message: Clone + 'static,
{
fn from(val: TableView<'a, SelectionMode, Item, Category, Message>) -> Self {
// Header row
let header_row = val
.model
.categories
.iter()
.copied()
.map(|category| {
let cat_context_tree = (val.category_context_builder)(category);
let mut sort_state = 0;
if let Some(sort) = val.model.sort {
if sort.0 == category {
if sort.1 {
sort_state = 1;
} else {
sort_state = 2;
}
}
};
// Build the category header
widget::row::with_capacity(2)
.spacing(val.icon_spacing)
.push(widget::text::heading(category.to_string()))
.push_maybe(match sort_state {
1 => Some(widget::icon::from_name("pan-up-symbolic").icon()),
2 => Some(widget::icon::from_name("pan-down-symbolic").icon()),
_ => None,
})
.apply(container)
.padding(
Padding::default()
.left(val.item_padding.left)
.right(val.item_padding.right),
)
.width(category.width())
.apply(widget::mouse_area)
.apply(|mouse_area| {
if let Some(ref on_category_select) = val.on_category_mb_left {
mouse_area.on_press((on_category_select)(category))
} else {
mouse_area
}
})
.apply(|mouse_area| widget::context_menu(mouse_area, cat_context_tree))
.apply(Element::from)
})
.apply(widget::row::with_children)
.apply(Element::from);
// Build the items
let items_full = if val.model.items.is_empty() {
vec![
divider::horizontal::default()
.apply(container)
.padding(val.divider_padding)
.apply(Element::from),
]
} else {
val.model
.iter()
.flat_map(move |entity| {
let item = val.model.item(entity).unwrap();
let categories = &val.model.categories;
let selected = val.model.is_active(entity);
let item_context = (val.item_context_builder)(item);
[
divider::horizontal::default()
.apply(container)
.padding(val.divider_padding)
.apply(Element::from),
categories
.iter()
.map(|category| {
widget::row::with_capacity(2)
.spacing(val.icon_spacing)
.push_maybe(
item.get_icon(*category)
.map(|icon| icon.size(val.icon_size)),
)
.push(widget::text::body(item.get_text(*category)))
.align_y(Alignment::Center)
.apply(container)
.width(category.width())
.align_y(Alignment::Center)
.apply(Element::from)
})
.apply(widget::row::with_children)
.apply(container)
.padding(val.item_padding)
.class(theme::Container::custom(move |theme| {
widget::container::Style {
icon_color: if selected {
Some(theme.cosmic().on_accent_color().into())
} else {
None
},
text_color: if selected {
Some(theme.cosmic().on_accent_color().into())
} else {
None
},
background: if selected {
Some(iced::Background::Color(
theme.cosmic().accent_color().into(),
))
} else {
None
},
border: Border {
radius: theme.cosmic().radius_xs().into(),
..Default::default()
},
shadow: Default::default(),
snap: true,
}
}))
.apply(widget::mouse_area)
// Left click
.apply(|mouse_area| {
if let Some(ref on_item_mb) = val.on_item_mb_left {
mouse_area.on_press((on_item_mb)(entity))
} else {
mouse_area
}
})
// Double click
.apply(|mouse_area| {
if let Some(ref on_item_mb) = val.on_item_mb_double {
mouse_area.on_double_click((on_item_mb)(entity))
} else {
mouse_area
}
})
// Middle click
.apply(|mouse_area| {
if let Some(ref on_item_mb) = val.on_item_mb_mid {
mouse_area.on_middle_press((on_item_mb)(entity))
} else {
mouse_area
}
})
// Right click
.apply(|mouse_area| {
if let Some(ref on_item_mb) = val.on_item_mb_right {
mouse_area.on_right_press((on_item_mb)(entity))
} else {
mouse_area
}
})
.apply(|mouse_area| widget::context_menu(mouse_area, item_context))
.apply(Element::from),
]
})
.collect::<Vec<Element<'a, Message>>>()
};
let mut elements = items_full;
elements.insert(0, header_row);
elements
.apply(widget::column::with_children)
.width(val.width)
.height(val.height)
.spacing(val.item_spacing)
.padding(val.element_padding)
.apply(Element::from)
}
}
impl<'a, SelectionMode, Item, Category, Message>
TableView<'a, SelectionMode, Item, Category, Message>
where
SelectionMode: Default,
Model<SelectionMode, Item, Category>: Selectable,
Category: ItemCategory,
Item: ItemInterface<Category>,
Message: Clone + 'static,
{
pub fn new(model: &'a Model<SelectionMode, Item, Category>) -> Self {
let cosmic_theme::Spacing {
space_xxxs,
space_xxs,
..
} = theme::spacing();
Self {
model,
element_padding: Padding::from(0),
width: Length::Fill,
height: Length::Shrink,
item_padding: Padding::from(space_xxs),
item_spacing: 0,
icon_spacing: space_xxxs,
icon_size: 24,
divider_padding: Padding::from(0).left(space_xxxs).right(space_xxxs),
on_item_mb_left: None,
on_item_mb_double: None,
on_item_mb_mid: None,
on_item_mb_right: None,
item_context_builder: Box::new(|_| None),
on_category_mb_left: None,
on_category_mb_double: None,
on_category_mb_mid: None,
on_category_mb_right: None,
category_context_builder: Box::new(|_| None),
}
}
pub fn on_item_left_click<F>(mut self, on_click: F) -> Self
where
F: Fn(Entity) -> Message + 'static,
{
self.on_item_mb_left = Some(Box::new(on_click));
self
}
pub fn on_item_double_click<F>(mut self, on_click: F) -> Self
where
F: Fn(Entity) -> Message + 'static,
{
self.on_item_mb_double = Some(Box::new(on_click));
self
}
pub fn on_item_middle_click<F>(mut self, on_click: F) -> Self
where
F: Fn(Entity) -> Message + 'static,
{
self.on_item_mb_mid = Some(Box::new(on_click));
self
}
pub fn on_item_right_click<F>(mut self, on_click: F) -> Self
where
F: Fn(Entity) -> Message + 'static,
{
self.on_item_mb_right = Some(Box::new(on_click));
self
}
pub fn item_context<F>(mut self, context_menu_builder: F) -> Self
where
F: Fn(&Item) -> Option<Vec<menu::Tree<Message>>> + 'static,
Message: 'static,
{
self.item_context_builder = Box::new(context_menu_builder);
self
}
pub fn on_category_left_click<F>(mut self, on_select: F) -> Self
where
F: Fn(Category) -> Message + 'static,
{
self.on_category_mb_left = Some(Box::new(on_select));
self
}
pub fn on_category_double_click<F>(mut self, on_select: F) -> Self
where
F: Fn(Category) -> Message + 'static,
{
self.on_category_mb_double = Some(Box::new(on_select));
self
}
pub fn on_category_middle_click<F>(mut self, on_select: F) -> Self
where
F: Fn(Category) -> Message + 'static,
{
self.on_category_mb_mid = Some(Box::new(on_select));
self
}
pub fn on_category_right_click<F>(mut self, on_select: F) -> Self
where
F: Fn(Category) -> Message + 'static,
{
self.on_category_mb_right = Some(Box::new(on_select));
self
}
pub fn category_context<F>(mut self, context_menu_builder: F) -> Self
where
F: Fn(Category) -> Option<Vec<menu::Tree<Message>>> + 'static,
Message: 'static,
{
self.category_context_builder = Box::new(context_menu_builder);
self
}
}