✨ Define OneComponent con tipado restringido

pagetop-megamenu/src/component.rs

@@ -2,15 +2,17 @@ use pagetop::prelude::*;
 
 define_handle!(COMPONENT_MEGAMENUITEM);
 
+type Label = OneComponent<L10n>;
+
 #[derive(Default)]
 pub enum MegaMenuItemType {
     #[default]
     Void,
-    Label(ComponentArc),
-    Link(ComponentArc, String),
-    LinkBlank(ComponentArc, String),
+    Label(Label),
+    Link(Label, String),
+    LinkBlank(Label, String),
     Html(Markup),
-    Submenu(ComponentArc, MegaMenu),
+    Submenu(Label, MegaMenu),
     Separator,
 }
 
@@ -85,21 +87,21 @@ impl ComponentTrait for MegaMenuItem {
 impl MegaMenuItem {
     pub fn label(label: L10n) -> Self {
         MegaMenuItem {
-            item_type: MegaMenuItemType::Label(ComponentArc::new_with(label)),
+            item_type: MegaMenuItemType::Label(OneComponent::new_with(label)),
             ..Default::default()
         }
     }
 
     pub fn link(label: L10n, path: &str) -> Self {
         MegaMenuItem {
-            item_type: MegaMenuItemType::Link(ComponentArc::new_with(label), path.to_owned()),
+            item_type: MegaMenuItemType::Link(OneComponent::new_with(label), path.to_owned()),
             ..Default::default()
         }
     }
 
     pub fn link_blank(label: L10n, path: &str) -> Self {
         MegaMenuItem {
-            item_type: MegaMenuItemType::LinkBlank(ComponentArc::new_with(label), path.to_owned()),
+            item_type: MegaMenuItemType::LinkBlank(OneComponent::new_with(label), path.to_owned()),
             ..Default::default()
         }
     }
@@ -113,7 +115,7 @@ impl MegaMenuItem {
 
     pub fn submenu(label: L10n, menu: MegaMenu) -> Self {
         MegaMenuItem {
-            item_type: MegaMenuItemType::Submenu(ComponentArc::new_with(label), menu),
+            item_type: MegaMenuItemType::Submenu(OneComponent::new_with(label), menu),
             ..Default::default()
         }
     }

pagetop-minimal/src/component.rs

@@ -12,7 +12,7 @@ pub use heading::{Heading, HeadingDisplay, HeadingType, COMPONENT_HEADING};
 mod paragraph;
 pub use paragraph::{Paragraph, ParagraphDisplay, COMPONENT_PARAGRAPH};
 mod anchor;
-pub use anchor::{Anchor, AnchorIcon, AnchorTarget, AnchorType, COMPONENT_ANCHOR};
+pub use anchor::{Anchor, AnchorTarget, AnchorType, COMPONENT_ANCHOR};
 mod block;
 pub use block::{Block, COMPONENT_BLOCK};
 mod image;

pagetop-minimal/src/component/anchor.rs

@@ -22,8 +22,8 @@ pub enum AnchorTarget {
     Context(String),
 }
 
-pub type AnchorIcon = ComponentArc;
-pub type AnchorHtml = ComponentArc;
+type AnchorIcon = OneComponent<Icon>;
+type AnchorHtml = OneComponent<L10n>;
 
 #[rustfmt::skip]
 #[derive(Default)]

pagetop-minimal/src/component/form_element/button.rs

@@ -10,7 +10,7 @@ pub enum ButtonType {
     Reset,
 }
 
-pub type ButtonValue = ComponentArc;
+type ButtonValue = OneComponent<L10n>;
 
 #[rustfmt::skip]
 #[derive(Default)]

pagetop-minimal/src/component/form_element/input.rs

@@ -13,8 +13,8 @@ pub enum InputType {
     Url,
 }
 
-pub type InputLabel = ComponentArc;
-pub type InputHelpText = ComponentArc;
+type InputLabel = OneComponent<L10n>;
+type InputHelpText = OneComponent<L10n>;
 
 #[rustfmt::skip]
 #[derive(Default)]

pagetop-minimal/src/component/heading.rs

@@ -25,7 +25,7 @@ pub enum HeadingDisplay {
     Subtitle,
 }
 
-pub type HeadingText = ComponentArc;
+type HeadingText = OneComponent<L10n>;
 
 #[rustfmt::skip]
 #[derive(Default)]

pagetop/src/core/component.rs

@@ -4,11 +4,8 @@ pub use context::{ContextOp, RenderContext};
 mod definition;
 pub use definition::{component_mut, component_ref, AnyComponent, BaseComponent, ComponentTrait};
 
-mod default;
-pub(crate) use default::DefaultComponent;
-
-mod arc;
-pub use arc::ComponentArc;
+mod one;
+pub use one::OneComponent;
 
 mod bundle;
 pub use bundle::ComponentsBundle;

pagetop/src/core/component/arc.rs

@@ -1,45 +0,0 @@
-use crate::core::component::{ComponentTrait, DefaultComponent, RenderContext};
-use crate::html::{html, Markup};
-
-use std::sync::{Arc, RwLock};
-
-#[derive(Clone)]
-pub struct ComponentArc(Arc<RwLock<dyn ComponentTrait>>);
-
-impl Default for ComponentArc {
-    fn default() -> Self {
-        ComponentArc(Arc::new(RwLock::new(DefaultComponent)))
-    }
-}
-
-impl ComponentArc {
-    pub fn new() -> Self {
-        ComponentArc::default()
-    }
-
-    pub fn new_with(component: impl ComponentTrait) -> Self {
-        ComponentArc(Arc::new(RwLock::new(component)))
-    }
-
-    pub fn set(&mut self, component: impl ComponentTrait) {
-        self.0 = Arc::new(RwLock::new(component));
-    }
-
-    pub fn weight(&self) -> isize {
-        self.0.read().unwrap().weight()
-    }
-
-    // ComponentArc RENDER.
-
-    pub fn render(&self, rcx: &mut RenderContext) -> Markup {
-        self.0.write().unwrap().render(rcx)
-    }
-
-    pub fn optional_render(&self, rcx: &mut RenderContext) -> Option<Markup> {
-        let render = self.0.write().unwrap().render(rcx).into_string();
-        if !render.trim().is_empty() {
-            return Some(html! { (render) });
-        }
-        None
-    }
-}

pagetop/src/core/component/bundle.rs

@@ -1,8 +1,10 @@
-use crate::core::component::{ComponentArc, ComponentTrait, RenderContext};
+use crate::core::component::{ComponentTrait, RenderContext};
 use crate::html::{html, Markup};
 
+use std::sync::{Arc, RwLock};
+
 #[derive(Clone, Default)]
-pub struct ComponentsBundle(Vec<ComponentArc>);
+pub struct ComponentsBundle(Vec<Arc<RwLock<dyn ComponentTrait>>>);
 
 impl ComponentsBundle {
     pub fn new() -> Self {
@@ -16,7 +18,7 @@ impl ComponentsBundle {
     }
 
     pub fn add(&mut self, component: impl ComponentTrait) {
-        self.0.push(ComponentArc::new_with(component));
+        self.0.push(Arc::new(RwLock::new(component)));
     }
 
     pub fn clear(&mut self) {
@@ -25,10 +27,10 @@ impl ComponentsBundle {
 
     pub fn render(&self, rcx: &mut RenderContext) -> Markup {
         let mut components = self.0.clone();
-        components.sort_by_key(|c| c.weight());
+        components.sort_by_key(|c| c.read().unwrap().weight());
         html! {
             @for c in components.iter() {
-                (" ")(c.render(rcx))(" ")
+                (" ")(c.write().unwrap().render(rcx))(" ")
             }
         }
     }

pagetop/src/core/component/default.rs

@@ -1,18 +0,0 @@
-use crate::core::component::{AnyComponent, ComponentTrait};
-
-#[derive(Default)]
-pub struct DefaultComponent;
-
-impl ComponentTrait for DefaultComponent {
-    fn new() -> Self {
-        DefaultComponent::default()
-    }
-
-    fn as_ref_any(&self) -> &dyn AnyComponent {
-        self
-    }
-
-    fn as_mut_any(&mut self) -> &mut dyn AnyComponent {
-        self
-    }
-}

pagetop/src/core/component/one.rs

@@ -0,0 +1,40 @@
+use crate::core::component::{ComponentTrait, RenderContext};
+use crate::html::{html, Markup};
+
+use std::sync::{Arc, RwLock};
+
+#[derive(Clone, Default)]
+pub struct OneComponent<T: ComponentTrait + Default>(Option<Arc<RwLock<T>>>);
+
+impl<T: ComponentTrait + Default> OneComponent<T> {
+    pub fn new() -> Self {
+        OneComponent::<T>::default()
+    }
+
+    pub fn new_with(component: T) -> Self {
+        OneComponent(Some(Arc::new(RwLock::new(component))))
+    }
+
+    pub fn set(&mut self, component: T) {
+        self.0 = Some(Arc::new(RwLock::new(component)));
+    }
+
+    // OneComponent RENDER.
+
+    pub fn render(&self, rcx: &mut RenderContext) -> Markup {
+        if let Some(component) = &self.0 {
+            return component.write().unwrap().render(rcx);
+        }
+        html! {}
+    }
+
+    pub fn optional_render(&self, rcx: &mut RenderContext) -> Option<Markup> {
+        if let Some(component) = &self.0 {
+            let render = component.write().unwrap().render(rcx).into_string();
+            if !render.trim().is_empty() {
+                return Some(html! { (render) });
+            }
+        }
+        None
+    }
+}

pagetop/src/response/page/definition.rs

@@ -32,8 +32,8 @@ pub enum TextDirection {
     RightToLeft,
 }
 
-pub type PageTitle = ComponentArc;
-pub type PageDescription = ComponentArc;
+type PageTitle = OneComponent<L10n>;
+type PageDescription = OneComponent<L10n>;
 
 #[rustfmt::skip]
 pub struct Page {