tree_table/api/
del_cols.rs

1use alloc::string::ToString;
2use alloc::{rc::Rc, string::String, vec, vec::Vec};
3use core::cell::RefCell;
4
5use crate::args::DelArgs;
6use crate::args::args_del::DelPosArgs;
7use crate::statics::{
8    default_emit_event_for_api, default_save_selection_for_api, default_undo_for_api,
9};
10use crate::{EventData, Table};
11
12impl Table {
13    /// Delete cols from the table using item ids.
14    pub fn del_cols(
15        &mut self,
16        kwargs: Option<DelArgs>,
17    ) -> Result<Option<Rc<RefCell<EventData>>>, String> {
18        let num_cols = Self::acr_total_cols(&self.grid.header.cells);
19        if num_cols == 0 {
20            return Ok(None);
21        }
22
23        let kwargs = kwargs.unwrap_or(DelArgs {
24            items: Some(vec![
25                Self::acr_borrow_ciid(&self.grid.header.cells, num_cols.saturating_sub(1))?
26                    .to_string(),
27            ]),
28            emit: default_emit_event_for_api(),
29            undo: default_undo_for_api(),
30            save_selection: default_save_selection_for_api(),
31        });
32
33        let items = kwargs.items.unwrap_or(vec![
34            Self::acr_borrow_ciid(&self.grid.header.cells, num_cols.saturating_sub(1))?.to_string(),
35        ]);
36
37        let mut event_data = self.cr_new_event(kwargs.save_selection);
38        let mut positions: Vec<usize> = Vec::new();
39
40        for iid in items.iter() {
41            positions.push(Self::acr_pos(&self.grid.header.iid_to_col, iid)?);
42        }
43
44        if positions.is_empty() {
45            return Ok(None);
46        }
47        positions.sort_unstable();
48        positions.dedup();
49
50        let deleted_disp = Self::acr_compute_deleted_disp_cols(&self.grid.disp_cols, &positions);
51        self.cr_del_cols(positions, &mut event_data)?;
52        self.cr_adjust_selections_after_col_delete(&deleted_disp);
53        self.cr_finalize_event(event_data, kwargs.undo, kwargs.emit)
54    }
55
56    /// Delete cols from the table using data positions (indices).
57    pub fn del_cols_pos(
58        &mut self,
59        kwargs: Option<DelPosArgs>,
60    ) -> Result<Option<Rc<RefCell<EventData>>>, String> {
61        let num_cols = Self::acr_total_cols(&self.grid.header.cells);
62        if num_cols == 0 {
63            return Ok(None);
64        }
65
66        let kwargs = kwargs.unwrap_or(DelPosArgs {
67            items: Some(vec![num_cols.saturating_sub(1)]),
68            emit: default_emit_event_for_api(),
69            undo: default_undo_for_api(),
70            save_selection: default_save_selection_for_api(),
71        });
72
73        let mut positions: Vec<usize> = if let Some(items) = kwargs.items {
74            items.into_iter().filter(|&p| p < num_cols).collect()
75        } else {
76            vec![num_cols.saturating_sub(1)]
77        };
78
79        if positions.is_empty() {
80            return Ok(None);
81        }
82        positions.sort_unstable();
83        positions.dedup();
84
85        let mut event_data = self.cr_new_event(kwargs.save_selection);
86        let deleted_disp = Self::acr_compute_deleted_disp_cols(&self.grid.disp_cols, &positions);
87        self.cr_del_cols(positions, &mut event_data)?;
88        self.cr_adjust_selections_after_col_delete(&deleted_disp);
89        self.cr_finalize_event(event_data, kwargs.undo, kwargs.emit)
90    }
91}
92
93// cols deleted, selections not saved
94// undo -> selections not updated, could be out of whack, what to do?
tree_table/api/del_cols.rs

tree_table/api/
del_cols.rs
