Refactor structure

ui/src/widgets/popups/folder.rs

@@ -0,0 +1,61 @@
+use std::path::Path;
+use crate::widgets::components::TextArea;
+use ratatui::buffer::Buffer;
+use ratatui::layout::{Constraint, Direction, Layout, Margin, Rect};
+use ratatui::prelude::{StatefulWidget, Widget};
+use ratatui::widgets::{Block, Borders};
+
+#[derive(Clone)]
+pub struct AddFolderPopup {
+    pub textarea: TextArea,
+}
+
+impl AddFolderPopup {
+    pub fn new() -> Self {
+        let mut textarea = TextArea::new(
+            "Folder Path",
+            "",
+            |x| {
+                let path = Path::new(x);
+                path.exists() && path.is_dir()
+            }
+        );
+        textarea.state.is_active = true;
+        Self { textarea }
+    }
+
+    pub fn get_folder_value(&mut self) -> Option<String> {
+        let value = self.textarea.get_value();
+        if value.is_none() {
+            return None;
+        }
+        if let Some(path) = value && !path.is_empty() {
+            return Some(path);
+        }
+        None
+    }
+}
+
+impl StatefulWidget for AddFolderPopup {
+    type State = AddFolderPopup;
+    fn render(self, area: Rect, buf: &mut Buffer, state: &mut Self::State)
+    where
+        Self: Sized,
+    {
+        let popup_area = Rect {
+            x: area.width / 4,
+            y: area.height / 3,
+            width: area.width / 2,
+            height: area.height / 3,
+        };
+        let block = Block::default()
+            .title("Add New Folder")
+            .borders(Borders::ALL);
+        block.render(popup_area, buf);
+        let chunks = Layout::default()
+            .direction(Direction::Vertical)
+            .constraints(vec![Constraint::Length(1)])
+            .split(popup_area.inner(Margin::new(1, 1)));
+        self.textarea.render(chunks[0], buf, &mut state.textarea.state);
+    }
+}