1 files changed, 104 insertions, 0 deletions
diff --git a/src/tui/popup.rs b/src/tui/popup.rs
new file mode 100644
index 0000000..60c58b4
--- /dev/null
+++ b/src/tui/popup.rs
@@ -0,0 +1,104 @@
+// bibiman - a TUI for managing BibLaTeX databases
+// Copyright (C) 2024  lukeflo
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+/////
+
+use ratatui::{
+    style::{Color, Stylize},
+    text::{Line, Span, Text},
+    widgets::ListState,
+};
+
+use crate::MAIN_PURPLE_COLOR_INDEX;
+
+#[derive(Debug)]
+pub enum PopupKind {
+    Help,
+    Message,
+    Selection,
+}
+
+#[derive(Debug)]
+pub struct PopupArea {
+    pub is_popup: bool,
+    pub popup_kind: Option<PopupKind>,
+    pub popup_message: String,
+    pub popup_list: Vec<String>,
+    pub popup_state: ListState,
+}
+
+impl Default for PopupArea {
+    fn default() -> Self {
+        PopupArea {
+            is_popup: false,
+            popup_kind: None,
+            popup_message: String::new(),
+            popup_list: Vec::new(),
+            popup_state: ListState::default(),
+        }
+    }
+}
+
+impl PopupArea {
+    pub fn popup_help<'a>() -> Text<'a> {
+        let help = [
+            ("j,k|↓,↑: ", "Select next/previous item"),
+            ("h,l|←,→: ", "Select next/previous column (Entry table)"),
+            ("g|Home: ", "Go to first item"),
+            ("G|End: ", "Go to last item"),
+            ("s: ", "sort entries by selected column (toggles reversed)"),
+            ("TAB: ", "Toggle areas (Entries, Keywords)"),
+            ("/|Ctrl+f: ", "Enter search mode"),
+            ("y: ", "yank/copy citekey of selected entry to clipboard"),
+            ("e: ", "Open editor at selected entry"),
+            ("o: ", "Open with selected entry associated PDF"),
+            ("u: ", "Open DOI/URL of selected entry"),
+            ("ESC: ", "Reset all lists/abort search"),
+            ("ENTER: ", "Confirm search/filter by selected keyword"),
+            ("q|Ctrl+c: ", "Quit bibiman"),
+        ];
+
+        let help_text: Vec<Line<'_>> = help
+            .into_iter()
+            .map(|(keys, help)| {
+                Line::from(vec![
+                    Span::raw(keys)
+                        .bold()
+                        .fg(Color::Indexed(MAIN_PURPLE_COLOR_INDEX)),
+                    Span::raw(help),
+                ])
+            })
+            .collect();
+
+        let text = Text::from(help_text);
+        text
+    }
+
+    pub fn popup_message(&mut self, message: &str, object: String) {
+        if object.is_empty() {
+            self.popup_message = message.into();
+        } else {
+            self.popup_message = format!("{} \"{}\"", message, object);
+        }
+        self.popup_kind = Some(PopupKind::Message);
+        self.is_popup = true;
+    }
+
+    pub fn popup_close_message(&mut self) {
+        self.is_popup = false;
+        self.popup_message.clear();
+        self.popup_kind = None
+    }
+}