align_text_center as part of utils

src/ui/activities/filetransfer_activity/layout.rs

@@ -28,7 +28,7 @@ use super::{
     Context, DialogYesNoOption, FileExplorerTab, FileTransferActivity, FsEntry, InputField,
     InputMode, LogLevel, LogRecord, PopupType,
 };
-use crate::utils::time_to_str;
+use crate::utils::{align_text_center, time_to_str};
 
 use bytesize::ByteSize;
 use std::path::{Path, PathBuf};
@@ -335,7 +335,7 @@ impl FileTransferActivity {
         let mut lines: Vec<ListItem> = Vec::new();
         for msg in message_rows.iter() {
             lines.push(ListItem::new(Spans::from(
-                FileTransferActivity::align_text_center(msg, width),
+                align_text_center(msg, width),
             )));
         }
         List::new(lines)
@@ -358,7 +358,7 @@ impl FileTransferActivity {
         let mut lines: Vec<ListItem> = Vec::new();
         for msg in message_rows.iter() {
             lines.push(ListItem::new(Spans::from(
-                FileTransferActivity::align_text_center(msg, width),
+                align_text_center(msg, width),
             )));
         }
         List::new(lines)
@@ -416,7 +416,7 @@ impl FileTransferActivity {
         let mut lines: Vec<ListItem> = Vec::new();
         for msg in message_rows.iter() {
             lines.push(ListItem::new(Spans::from(
-                FileTransferActivity::align_text_center(msg, width),
+                align_text_center(msg, width),
             )));
         }
         List::new(lines)
@@ -797,21 +797,6 @@ impl FileTransferActivity {
             .start_corner(Corner::TopLeft)
     }
 
-    /// align_text_center
-    ///
-    /// Align text to center for a given width
-    fn align_text_center(text: &str, width: u16) -> String {
-        let indent_size: usize = match (width as usize) >= text.len() {
-            // NOTE: The check prevents underflow
-            true => (width as usize - text.len()) / 2,
-            false => 0,
-        };
-        textwrap::indent(
-            text,
-            (0..indent_size).map(|_| " ").collect::<String>().as_str(),
-        )
-    }
-
     /// ### elide_wrkdir_path
     ///
     /// Elide working directory path if longer than width + host.len

src/utils.rs

@@ -25,6 +25,7 @@
 
 // Dependencies
 extern crate chrono;
+extern crate textwrap;
 extern crate whoami;
 
 use crate::filetransfer::FileTransferProtocol;
@@ -241,6 +242,23 @@ pub fn lstime_to_systime(
         .unwrap_or(SystemTime::UNIX_EPOCH))
 }
 
+/// align_text_center
+///
+/// Align text to center for a given width
+pub fn align_text_center(text: &str, width: u16) -> String {
+    let indent_size: usize = match (width as usize) >= text.len() {
+        // NOTE: The check prevents underflow
+        true => (width as usize - text.len()) / 2,
+        false => 0,
+    };
+    textwrap::indent(
+        text,
+        (0..indent_size).map(|_| " ").collect::<String>().as_str(),
+    )
+    .trim_end()
+    .to_string()
+}
+
 #[cfg(test)]
 mod tests {
 
@@ -392,4 +410,12 @@ mod tests {
         assert!(lstime_to_systime("Feb 31 2018", "%b %d %Y", "%b %d %H:%M").is_err());
         assert!(lstime_to_systime("Feb 15 25:32", "%b %d %Y", "%b %d %H:%M").is_err());
     }
+
+    #[test]
+    fn test_utils_align_text_center() {
+        assert_eq!(
+            align_text_center("hello world!", 24),
+            String::from("      hello world!")
+        );
+    }
 }