Add select_by_name function

src/dialog.rs

@@ -446,15 +446,11 @@ impl Application for App {
                 }
             }
             Message::Filename(new_filename) => {
-                if let DialogKind::SaveFile { filename } = &mut self.flags.kind {
-                    *filename = new_filename.clone();
-                }
-
                 // Select based on filename
-                if let Some(items) = self.tab.items_opt_mut() {
-                    for item in items.iter_mut() {
-                        item.selected = item.name == new_filename;
-                    }
+                self.tab.select_by_name(&new_filename);
+
+                if let DialogKind::SaveFile { filename } = &mut self.flags.kind {
+                    *filename = new_filename;
                 }
             }
             Message::Modifiers(modifiers) => {

src/tab.rs

@@ -605,10 +605,6 @@ impl Tab {
         self.items_opt.as_ref()
     }
 
-    pub fn items_opt_mut(&mut self) -> Option<&mut Vec<Item>> {
-        self.items_opt.as_mut()
-    }
-
     pub fn set_items(&mut self, items: Vec<Item>) {
         self.items_opt = Some(items);
     }
@@ -639,7 +635,7 @@ impl Tab {
         had_selection
     }
 
-    fn select_by_drag(&mut self, rect: Rectangle) {
+    pub fn select_by_drag(&mut self, rect: Rectangle) {
         let items = match &mut self.items_opt {
             Some(some) => some,
             None => return,
@@ -654,6 +650,14 @@ impl Tab {
         }
     }
 
+    pub fn select_by_name(&mut self, name: &str) {
+        if let Some(ref mut items) = self.items_opt {
+            for item in items.iter_mut() {
+                item.selected = item.name == name;
+            }
+        }
+    }
+
     fn selection_first(&self) -> Option<(usize, usize)> {
         let items = self.items_opt.as_ref()?;
         let mut first = None;