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Selecting an item in a cursive_table_view and rendering it appropriately #38

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Selecting an item in a cursive_table_view and rendering it appropriately #38

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29 changes: 26 additions & 3 deletions src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -13,10 +13,13 @@
extern crate cursive_core as cursive;

// STD Dependencies -----------------------------------------------------------
use std::cmp::{self, Ordering};
use std::collections::HashMap;
use std::hash::Hash;
use std::rc::Rc;
use std::{
cmp::{self, Ordering},
collections::BTreeSet,
};

// External Dependencies ------------------------------------------------------
use cursive::{
Expand Down Expand Up @@ -127,6 +130,8 @@ pub struct TableView<T, H> {
items: Vec<T>,
rows_to_items: Vec<usize>,

selected_rows: BTreeSet<usize>,

on_sort: Option<OnSortCallback<H>>,
// TODO Pass drawing offsets into the handlers so a popup menu
// can be created easily?
Expand Down Expand Up @@ -197,7 +202,7 @@ where
focus: 0,
items: Vec::new(),
rows_to_items: Vec::new(),

selected_rows: BTreeSet::new(),
on_sort: None,
on_submit: None,
on_select: None,
Expand Down Expand Up @@ -826,7 +831,17 @@ where
fn draw_content(&self, printer: &Printer) {
for i in 0..self.rows_to_items.len() {
let printer = printer.offset((0, i));
let color = if i == self.focus && self.enabled {
let color = if self.selected_rows.contains(&i) && i != self.focus && self.enabled {
theme::ColorStyle::new(
theme::ColorType::Palette(theme::PaletteColor::TitleSecondary),
theme::ColorType::Palette(theme::PaletteColor::View),
)
} else if self.selected_rows.contains(&i) && i == self.focus && self.enabled {
theme::ColorStyle::new(
theme::ColorType::Palette(theme::PaletteColor::TitleSecondary),
theme::ColorType::Palette(theme::PaletteColor::Highlight),
)
} else if i == self.focus && self.enabled {
if !self.column_select && self.enabled && printer.focused {
theme::ColorStyle::highlight()
} else {
Expand Down Expand Up @@ -885,6 +900,14 @@ where
fn on_inner_event(&mut self, event: Event) -> EventResult {
let last_focus = self.focus;
match event {
Event::Key(Key::Ins) => {
if self.selected_rows.contains(&last_focus) {
self.selected_rows.remove(&last_focus);
} else {
self.selected_rows.insert(last_focus);
}
self.focus_down(1);
}
Event::Key(Key::Right) => {
if self.column_select {
if !self.column_next() {
Expand Down