102 lines
2.5 KiB
Rust
102 lines
2.5 KiB
Rust
// Copyright 2023 System76 <info@system76.com>
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// SPDX-License-Identifier: GPL-3.0-only
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use derive_setters::Setters;
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use regex::Regex;
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use crate::{Binder, Page};
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slotmap::new_key_type! {
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/// The unique ID of a section of page.
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pub struct Entity;
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}
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pub type ViewFn<Message> = Box<
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dyn for<'a> Fn(
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&'a Binder<Message>,
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&'a dyn Page<Message>,
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&'a Section<Message>,
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) -> cosmic::Element<'a, Message>,
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>;
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/// A searchable sub-component of a page.
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///
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/// Searches can group multiple sections together.
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#[derive(Setters)]
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#[must_use]
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pub struct Section<Message> {
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#[setters(into)]
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pub title: String,
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pub descriptions: Vec<String>,
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#[setters(skip)]
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pub view_fn: ViewFn<Message>,
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#[setters(bool)]
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pub search_ignore: bool,
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}
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impl<Message: 'static> Default for Section<Message> {
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fn default() -> Self {
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Self {
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title: String::new(),
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descriptions: Vec::new(),
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view_fn: Box::new(unimplemented),
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search_ignore: false,
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}
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}
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}
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impl<Message: 'static> Section<Message> {
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#[must_use]
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pub fn search_matches(&self, rule: &Regex) -> bool {
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if self.search_ignore {
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return false;
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}
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if rule.is_match(self.title.as_str()) {
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return true;
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}
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for description in &self.descriptions {
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if rule.is_match(description.as_str()) {
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return true;
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}
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}
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false
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}
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/// # Panics
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///
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/// Will panic if the `Model` type does not match the page type.
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pub fn view<Model: Page<Message>>(
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mut self,
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func: impl for<'a> Fn(
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&'a Binder<Message>,
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&'a Model,
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&'a Section<Message>,
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) -> cosmic::Element<'a, Message>
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+ 'static,
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) -> Self {
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self.view_fn = Box::new(move |binder, model: &dyn Page<Message>, section| {
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let model = model.downcast_ref::<Model>().unwrap_or_else(|| {
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panic!(
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"page model type mismatch: expected {}",
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std::any::type_name::<Model>()
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)
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});
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func(binder, model, section)
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});
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self
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}
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}
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#[must_use]
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pub fn unimplemented<'a, Message: 'static>(
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_binder: &'a Binder<Message>,
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_page: &'a dyn Page<Message>,
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_section: &'a Section<Message>,
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) -> cosmic::Element<'a, Message> {
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cosmic::widget::settings::view_column(vec![cosmic::widget::settings::view_section("").into()])
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.into()
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}
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