227 lines
9.5 KiB
Rust
227 lines
9.5 KiB
Rust
use std::borrow::Borrow;
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use slint::{ComponentHandle, Model, ModelRc, VecModel};
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use crate::MainListModel;
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use crate::{CurrentTab, MainWindow};
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pub fn connect_delete_button(app: &MainWindow) {
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let a = app.as_weak();
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app.on_deleted(move || {
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let app = a.upgrade().unwrap();
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let active_tab = app.get_active_tab();
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match active_tab {
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CurrentTab::EmptyFolders => handle_delete_empty_folders(&app),
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_ => panic!(),
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}
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});
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}
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fn handle_delete_empty_folders(app: &MainWindow) {
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let r = app.get_empty_folder_model();
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let (entries_to_delete, mut entries_left) = filter_out_checked_items(r.borrow(), false);
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if !entries_to_delete.is_empty() {
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remove_selected_items(entries_to_delete);
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deselect_all_items(&mut entries_left);
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let r = ModelRc::new(VecModel::from(entries_left));
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app.set_empty_folder_model(r);
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}
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}
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// TODO delete in parallel items, consider to add progress bar
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fn remove_selected_items(items: Vec<MainListModel>) {
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dbg!(format!("Items to remove {}", items.len()));
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items.into_iter().for_each(|_item| {});
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}
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fn deselect_all_items(items: &mut [MainListModel]) {
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items.iter_mut().for_each(|item| {
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item.selected_row = false;
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});
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}
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fn filter_out_checked_items(items: &ModelRc<MainListModel>, have_header: bool) -> (Vec<MainListModel>, Vec<MainListModel>) {
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if cfg!(debug_assertions) {
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check_if_header_is_checked(items);
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check_if_header_is_selected_but_should_not_be(items, have_header);
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}
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let (entries_to_delete, mut entries_left): (Vec<_>, Vec<_>) = items.iter().partition(|item| item.checked);
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if have_header && !entries_left.is_empty() {
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// First row must be header
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assert!(entries_left[0].header_row);
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if entries_left.len() == 3 {
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// First row is header, so if second or third is also header, then there is no enough items to fill model
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if entries_left[1].header_row || entries_left[2].header_row {
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entries_left = Vec::new();
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}
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} else if entries_left.len() < 3 {
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// Not have enough items to fill model
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entries_left = Vec::new();
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} else {
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let mut last_header = 0;
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let mut new_items: Vec<MainListModel> = Vec::new();
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for i in 1..entries_left.len() {
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if entries_left[i].header_row {
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if i - last_header > 2 {
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new_items.extend(entries_left[last_header..i].iter().cloned());
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}
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last_header = i;
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}
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}
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if entries_left.len() - last_header > 2 {
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new_items.extend(entries_left[last_header..].iter().cloned());
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}
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entries_left = new_items;
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}
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}
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(entries_to_delete, entries_left)
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}
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// Function to verify if really headers are not checked
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// Checked header is big bug
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#[cfg(debug_assertions)]
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fn check_if_header_is_checked(items: &ModelRc<MainListModel>) {
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for item in items.iter() {
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if item.header_row {
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assert!(!item.checked);
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}
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}
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}
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// In some modes header should not be visible, but if are, then it is a bug
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#[cfg(debug_assertions)]
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fn check_if_header_is_selected_but_should_not_be(items: &ModelRc<MainListModel>, can_have_header: bool) {
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if !can_have_header {
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for item in items.iter() {
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assert!(!item.header_row);
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}
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}
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}
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#[cfg(test)]
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mod tests {
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use slint::{Model, ModelRc, SharedString, VecModel};
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use crate::common::MainListModel;
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use crate::connect_delete::filter_out_checked_items;
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#[test]
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fn test_filter_out_checked_items_empty() {
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let vec_items = Vec::new();
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let items: ModelRc<MainListModel> = ModelRc::new(VecModel::from(vec_items));
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let (to_delete, left) = filter_out_checked_items(&items, false);
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assert!(to_delete.is_empty());
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assert!(left.is_empty());
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let (to_delete, left) = filter_out_checked_items(&items, true);
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assert!(to_delete.is_empty());
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assert!(left.is_empty());
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}
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#[test]
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fn test_filter_out_checked_items_one_element_valid_normal() {
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let vec_items = vec![(false, false, false, ModelRc::new(VecModel::default()))];
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let items: ModelRc<MainListModel> = ModelRc::new(VecModel::from(vec_items));
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let (to_delete, left) = filter_out_checked_items(&items, false);
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assert!(to_delete.is_empty());
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assert_eq!(left.len(), items.iter().count());
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}
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#[test]
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fn test_filter_out_checked_items_one_element_valid_header() {
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let vec_items = vec![(false, true, false, ModelRc::new(VecModel::default()))];
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let items: ModelRc<MainListModel> = ModelRc::new(VecModel::from(vec_items));
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let (to_delete, left) = filter_out_checked_items(&items, true);
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assert!(to_delete.is_empty());
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assert!(left.is_empty());
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}
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#[test]
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#[should_panic]
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fn test_filter_out_checked_items_one_element_invalid_normal() {
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let vec_items = vec![(false, true, false, ModelRc::new(VecModel::default()))];
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let items: ModelRc<MainListModel> = ModelRc::new(VecModel::from(vec_items));
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filter_out_checked_items(&items, false);
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}
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#[test]
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#[should_panic]
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fn test_filter_out_checked_items_one_element_invalid_header() {
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let vec_items = vec![(false, false, false, ModelRc::new(VecModel::default()))];
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let items: ModelRc<MainListModel> = ModelRc::new(VecModel::from(vec_items));
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filter_out_checked_items(&items, true);
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}
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//
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// #[test]
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// fn test_filter_out_checked_items_multiple_element_valid_normal() {
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// let vec_items = vec![
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// (false, false, false, ModelRc::new(VecModel::from_slice(&[SharedString::from("1")]))),
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// (false, false, false, ModelRc::new(VecModel::from_slice(&[SharedString::from("2")]))),
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// (true, false, false, ModelRc::new(VecModel::from_slice(&[SharedString::from("3")]))),
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// (true, false, false, ModelRc::new(VecModel::from_slice(&[SharedString::from("4")]))),
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// (false, false, false, ModelRc::new(VecModel::from_slice(&[SharedString::from("5")]))),
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// ];
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// let items: ModelRc<MainListModel> = ModelRc::new(VecModel::from(vec_items));
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// let (to_delete, left) = filter_out_checked_items(&items, false);
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// let to_delete_data = get_single_data_from_model(&to_delete);
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// let left_data = get_single_data_from_model(&left);
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//
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// assert_eq!(to_delete_data, vec!["3", "4"]);
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// assert_eq!(left_data, vec!["1", "2", "5"]);
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// }
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//
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// #[test]
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// fn test_filter_out_checked_items_multiple_element_valid_header() {
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// let vec_items = vec![
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// (false, true, false, ModelRc::new(VecModel::from_slice(&[SharedString::from("1")]))),
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// (false, false, false, ModelRc::new(VecModel::from_slice(&[SharedString::from("2")]))),
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// (true, false, false, ModelRc::new(VecModel::from_slice(&[SharedString::from("3")]))),
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// (false, true, false, ModelRc::new(VecModel::from_slice(&[SharedString::from("4")]))),
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// (false, false, false, ModelRc::new(VecModel::from_slice(&[SharedString::from("5")]))),
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// (false, true, false, ModelRc::new(VecModel::from_slice(&[SharedString::from("6")]))),
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// (false, false, false, ModelRc::new(VecModel::from_slice(&[SharedString::from("7")]))),
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// (false, false, false, ModelRc::new(VecModel::from_slice(&[SharedString::from("8")]))),
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// ];
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// let items: ModelRc<MainListModel> = ModelRc::new(VecModel::from(vec_items));
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// let (to_delete, left) = filter_out_checked_items(&items, true);
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// let to_delete_data = get_single_data_from_model(&to_delete);
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// let left_data = get_single_data_from_model(&left);
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//
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// assert_eq!(to_delete_data, vec!["3"]);
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// assert_eq!(left_data, vec!["6", "7", "8"]);
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// }
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//
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// #[test]
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// fn test_filter_out_checked_items_multiple2_element_valid_header() {
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// let vec_items = vec![
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// (false, true, false, ModelRc::new(VecModel::from_slice(&[SharedString::from("1")]))),
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// (false, false, false, ModelRc::new(VecModel::from_slice(&[SharedString::from("2")]))),
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// (true, false, false, ModelRc::new(VecModel::from_slice(&[SharedString::from("3")]))),
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// (false, false, false, ModelRc::new(VecModel::from_slice(&[SharedString::from("4")]))),
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// (false, false, false, ModelRc::new(VecModel::from_slice(&[SharedString::from("5")]))),
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// (false, false, false, ModelRc::new(VecModel::from_slice(&[SharedString::from("6")]))),
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// (false, true, false, ModelRc::new(VecModel::from_slice(&[SharedString::from("7")]))),
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// (false, false, false, ModelRc::new(VecModel::from_slice(&[SharedString::from("8")]))),
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// ];
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// let items: ModelRc<MainListModel> = ModelRc::new(VecModel::from(vec_items));
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// let (to_delete, left) = filter_out_checked_items(&items, true);
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// let to_delete_data = get_single_data_from_model(&to_delete);
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// let left_data = get_single_data_from_model(&left);
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//
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// assert_eq!(to_delete_data, vec!["3"]);
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// assert_eq!(left_data, vec!["1", "2", "4", "5", "6"]);
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// }
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fn get_single_data_from_model(model: &[MainListModel]) -> Vec<String> {
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let mut d = model.iter().map(|item| item.data.iter().next().unwrap().to_string()).collect::<Vec<_>>();
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d.sort();
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d
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}
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}
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