[yew-devel] [PATCH yew-widget-toolkit 1/2] state: navigation: add 'replace_relative_route' to NavigationContextExt

[Dominik Csapak <d.csapak@proxmox.com>]

so we can not only push new relative routes, but also replace the
current one.

To not duplicate that much code, refactor the absolute path generation
out, this even avoids some duplication we already had.

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
---
 src/state/navigation_container.rs | 55 ++++++++++++++++---------------
 1 file changed, 28 insertions(+), 27 deletions(-)

diff --git a/src/state/navigation_container.rs b/src/state/navigation_container.rs
index eced509..b9090eb 100644
--- a/src/state/navigation_container.rs
+++ b/src/state/navigation_container.rs
@@ -243,10 +243,25 @@ pub trait NavigationContextExt {
     fn nav_context(&self) -> Option<NavigationContext>;
     /// Returns the full route to this context ("/parent_path/path").
     fn full_path(&self) -> Option<String>;
-    /// Change the current route to "/parent_path/path".
+    /// Push a new route "/parent_path/path".
     ///
     /// Only works if the scope provides a [Navigator](yew_router::navigator::Navigator).
     fn push_relative_route(&self, path: &str);
+    /// Replace the current route with "/parent_path/path".
+    ///
+    /// Only works if the scope provides a [Navigator](yew_router::navigator::Navigator).
+    fn replace_relative_route(&self, path: &str);
+}
+
+fn get_new_absolute_path<COMP: Component>(scope: &yew::html::Scope<COMP>, path: &str) -> String {
+    let path = normalize_segment(path);
+    let parent_path = scope
+        .context::<NavigationContext>(Callback::from(|_| {}))
+        .and_then(|(ctx, _)| ctx.parent_path);
+    match parent_path {
+        Some(parent_path) => format!("{}/{}", parent_path, path),
+        None => format!("/{}", path),
+    }
 }
 
 impl<COMP: Component> NavigationContextExt for yew::html::Scope<COMP> {
@@ -260,32 +275,18 @@ impl<COMP: Component> NavigationContextExt for yew::html::Scope<COMP> {
     }
 
     fn push_relative_route(&self, path: &str) {
-        let path = normalize_segment(path);
-        //log::info!("PUSH REL {}", path);
-        if let Some((nav_ctx, _handle)) = self.context::<NavigationContext>(Callback::from(|_| {}))
-        {
-            let abs_path = match &nav_ctx.parent_path {
-                Some(parent_path) => format!("{}/{}", parent_path, path),
-                None => format!("/{}", path),
-            };
-            match self.navigator() {
-                Some(navigator) => {
-                    navigator.push(&AnyRoute::new(abs_path));
-                }
-                None => {
-                    log::error!("no Navigator found");
-                }
-            }
-        } else {
-            match self.navigator() {
-                Some(navigator) => {
-                    let path = format!("/{}", path);
-                    navigator.push(&AnyRoute::new(path));
-                }
-                None => {
-                    log::error!("no Navigator found");
-                }
-            }
+        let new_path = get_new_absolute_path(self, path);
+        match self.navigator() {
+            Some(navigator) => navigator.push(&AnyRoute::new(new_path)),
+            None => log::error!("no Navigator found"),
+        }
+    }
+
+    fn replace_relative_route(&self, path: &str) {
+        let new_path = get_new_absolute_path(self, path);
+        match self.navigator() {
+            Some(navigator) => navigator.replace(&AnyRoute::new(new_path)),
+            None => log::error!("no Navigator found"),
         }
     }
 }
-- 
2.47.3



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