1 files changed, 195 insertions, 0 deletions
diff --git a/src/ui/views/tui_hsplit_view.rs b/src/ui/views/tui_hsplit_view.rs
new file mode 100644
index 0000000..015ca5a
--- /dev/null
+++ b/src/ui/views/tui_hsplit_view.rs
@@ -0,0 +1,195 @@
+use tui::buffer::Buffer;
+use tui::layout::{Constraint, Direction, Layout, Rect};
+use tui::style::{Color, Style};
+use tui::text::Span;
+use tui::widgets::{Block, Borders, Paragraph, Widget, Wrap};
+
+use crate::context::AppContext;
+use crate::ui::widgets::{TuiDirListDetailed, TuiFooter, TuiTabBar, TuiTopBar};
+
+const TAB_VIEW_WIDTH: u16 = 15;
+
+pub struct TuiHSplitView<'a> {
+    pub context: &'a AppContext,
+    pub show_bottom_status: bool,
+}
+
+impl<'a> TuiHSplitView<'a> {
+    pub fn new(context: &'a AppContext) -> Self {
+        Self {
+            context,
+            show_bottom_status: true,
+        }
+    }
+}
+
+impl<'a> Widget for TuiHSplitView<'a> {
+    fn render(self, area: Rect, buf: &mut Buffer) {
+        let tab_context = self.context.tab_context_ref();
+        let tab_index = tab_context.index;
+
+        let config = self.context.config_ref();
+        let display_options = config.display_options_ref();
+        let constraints = &[Constraint::Ratio(1, 2), Constraint::Ratio(1, 2)];
+
+        let layout_rect = if display_options.show_borders() {
+            let area = Rect {
+                y: area.top() + 1,
+                height: area.height - 2,
+                ..area
+            };
+
+            let layout = calculate_layout_with_borders(area, constraints);
+
+            let block = Block::default().borders(Borders::ALL);
+            let inner = block.inner(area);
+            block.render(area, buf);
+
+            let layout_rect = Layout::default()
+                .direction(Direction::Horizontal)
+                .constraints(constraints.as_ref())
+                .split(inner);
+
+            let block = Block::default().borders(Borders::RIGHT);
+            block.render(layout_rect[0], buf);
+
+            let block = Block::default().borders(Borders::LEFT);
+            block.render(layout_rect[1], buf);
+
+            layout
+        } else {
+            let area = Rect {
+                y: area.top() + 1,
+                height: area.height - 2,
+                ..area
+            };
+            calculate_layout(area, constraints)
+        };
+
+        if let Some(curr_tab) = tab_context.tab_ref(tab_index) {
+            let curr_list = curr_tab.curr_list_ref();
+
+            let layout_rect = if tab_index % 2 == 0 {
+                layout_rect[0]
+            } else {
+                layout_rect[1]
+            };
+
+            // render current view
+            if let Some(list) = curr_list.as_ref() {
+                TuiDirListDetailed::new(list, display_options, true).render(layout_rect, buf);
+                let rect = Rect {
+                    x: 0,
+                    y: area.height - 1,
+                    width: area.width,
+                    height: 1,
+                };
+
+                if self.show_bottom_status {
+                    /* draw the bottom status bar */
+                    if let Some(msg) = self.context.worker_context_ref().get_msg() {
+                        let message_style = Style::default().fg(Color::Yellow);
+                        let text = Span::styled(msg, message_style);
+                        Paragraph::new(text)
+                            .wrap(Wrap { trim: true })
+                            .render(rect, buf);
+                    } else if let Some(msg) = self.context.message_queue_ref().current_message() {
+                        let text = Span::styled(msg.content.as_str(), msg.style);
+                        Paragraph::new(text)
+                            .wrap(Wrap { trim: true })
+                            .render(rect, buf);
+                    } else {
+                        TuiFooter::new(list).render(rect, buf);
+                    }
+                }
+            }
+
+            let topbar_width = area.width;
+            let rect = Rect {
+                x: 0,
+                y: 0,
+                width: topbar_width,
+                height: 1,
+            };
+            TuiTopBar::new(self.context, curr_tab.cwd()).render(rect, buf);
+
+            // render tabs
+            if self.context.tab_context_ref().len() > 1 {
+                let topbar_width = area.width.saturating_sub(TAB_VIEW_WIDTH);
+
+                let rect = Rect {
+                    x: topbar_width,
+                    y: 0,
+                    width: TAB_VIEW_WIDTH,
+                    height: 1,
+                };
+                let name = if let Some(ostr) = curr_tab.cwd().file_name() {
+                    ostr.to_str().unwrap_or("")
+                } else {
+                    ""
+                };
+                TuiTabBar::new(
+                    name,
+                    self.context.tab_context_ref().index,
+                    self.context.tab_context_ref().len(),
+                )
+                .render(rect, buf);
+            }
+        }
+
+        let other_tab_index = if tab_index % 2 == 0 {
+            tab_index + 1
+        } else {
+            tab_index - 1
+        };
+
+        if let Some(curr_tab) = tab_context.tab_ref(other_tab_index) {
+            let curr_list = curr_tab.curr_list_ref();
+
+            let layout_rect = if other_tab_index % 2 == 0 {
+                layout_rect[0]
+            } else {
+                layout_rect[1]
+            };
+
+            if let Some(list) = curr_list.as_ref() {
+                TuiDirListDetailed::new(list, display_options, false).render(layout_rect, buf);
+            }
+        }
+    }
+}
+
+fn calculate_layout(area: Rect, constraints: &[Constraint; 2]) -> Vec<Rect> {
+    let mut layout_rect = Layout::default()
+        .direction(Direction::Horizontal)
+        .constraints(constraints.as_ref())
+        .split(area);
+
+    layout_rect[0] = Rect {
+        width: layout_rect[0].width - 1,
+        ..layout_rect[0]
+    };
+    layout_rect[1] = Rect {
+        width: layout_rect[1].width - 1,
+        ..layout_rect[1]
+    };
+    layout_rect
+}
+
+fn calculate_layout_with_borders(area: Rect, constraints: &[Constraint; 2]) -> Vec<Rect> {
+    let block = Block::default().borders(Borders::ALL);
+    let inner = block.inner(area);
+
+    let layout_rect = Layout::default()
+        .direction(Direction::Horizontal)
+        .constraints(constraints.as_ref())
+        .split(inner);
+
+    let block = Block::default().borders(Borders::RIGHT);
+    let inner1 = block.inner(layout_rect[0]);
+
+    let block = Block::default().borders(Borders::LEFT);
+    let inner2 = block.inner(layout_rect[1]);
+
+    vec![inner1, inner2]
+}