feat: scrolling and line wrap of pretty preview

wllfaria · May 2, 2024 · 2e01da4 · 2e01da4
1 parent 4070300
commit 2e01da4
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Showing 2 changed files with 25 additions and 8 deletions.
diff --git a/reqtui/src/text_object/text_object.rs b/reqtui/src/text_object/text_object.rs
@@ -16,13 +16,13 @@ pub struct Write;
 pub struct TextObject<State = Readonly> {
     content: Rope,
     state: std::marker::PhantomData<State>,
-    pub display: Paragraph<'static>,
+    pub display: Vec<Line<'static>>,
 }
 
 impl TextObject<Readonly> {
     pub fn from(content: &str) -> TextObject<Readonly> {
         TextObject::<Readonly> {
-            display: Paragraph::new(content.to_string()),
+            display: vec![Line::from(content.to_string())],
             content: Rope::from_str(content),
             state: std::marker::PhantomData::<Readonly>,
         }
@@ -39,7 +39,7 @@ impl TextObject<Readonly> {
 
 impl TextObject {
     pub fn with_highlight(self, colors: Vec<ColorInfo>) -> Self {
-        let mut lines: Vec<Line> = vec![];
+        let mut display: Vec<Line> = vec![];
         let mut current_line: Vec<Span> = vec![];
         for (idx, c) in self.to_string().chars().enumerate() {
             let style = colors
@@ -51,13 +51,11 @@ impl TextObject {
             current_line.push(c.to_string().set_style(style));
 
             if c.eq(&'\n') {
-                lines.push(current_line.clone().into());
+                display.push(current_line.clone().into());
                 current_line.clear();
             }
         }
 
-        let display = Paragraph::new(lines);
-
         Self {
             content: self.content,
             state: std::marker::PhantomData,

diff --git a/tui/src/components/api_explorer/res_viewer.rs b/tui/src/components/api_explorer/res_viewer.rs
@@ -7,7 +7,7 @@ use ratatui::{
     text::Line,
     widgets::{
         Block, Borders, Paragraph, Scrollbar, ScrollbarOrientation, ScrollbarState, StatefulWidget,
-        Tabs, Widget,
+        Tabs, Widget, Wrap,
     },
 };
 use std::{
@@ -171,7 +171,26 @@ impl<'a> ResViewer<'a> {
 
     fn draw_preview_response(&self, state: &mut ResViewerState, buf: &mut Buffer, size: Rect) {
         if let Some(response) = state.response {
-            response.pretty_body.display.clone().render(size, buf);
+            let lines = response.pretty_body.display.clone();
+
+            // allow for scrolling down until theres only one line left into view
+            if state.raw_scroll.deref().ge(&lines.len().saturating_sub(1)) {
+                *state.raw_scroll = lines.len().saturating_sub(1);
+            }
+
+            let [request_pane, scrollbar_pane] = build_preview_layout(size);
+
+            self.draw_scrollbar(lines.len(), *state.raw_scroll, buf, scrollbar_pane);
+
+            let lines_in_view = lines
+                .into_iter()
+                .skip(*state.raw_scroll)
+                .chain(iter::repeat(Line::from("~".fg(self.colors.normal.magenta))))
+                .take(size.height.into())
+                .collect::<Vec<_>>();
+
+            let pretty_response = Paragraph::new(lines_in_view).wrap(Wrap { trim: false });
+            pretty_response.render(request_pane, buf);
         }
     }
 }