feat: implement checkboxlist component

.cargo/config.toml

@@ -0,0 +1,2 @@
+[target.'cfg(target_os = "linux")']
+rustflags = ["-C", "link-arg=-fuse-ld=mold"]

rustfmt.toml

@@ -1 +0,0 @@
-edition = "2021"

src/app.rs

@@ -60,7 +60,7 @@ pub fn App() -> impl IntoView {
         // <AuthErrorContext><AuthErrorView/></AuthErrorContext>
 
         // sets the document title
-        <Title text="Welcome to Leptos"/>
+        <Title text="R15 Scholarship App DEV"/>
 
         // content for this welcome page
         <Router>

src/components/checkboxes.rs

@@ -1,19 +1,91 @@
-use leptos::prelude::*;
+use leptos::{leptos_dom::logging::console_log, prelude::*};
 
 #[component]
 pub fn Checkbox(
-    #[prop()] checked: ReadSignal<bool>,
-    #[prop()] on_change: Callback<bool>,
-    #[prop()] label: String,
-    #[prop()] id: String
+    #[prop()] checked: Signal<bool>,
+    #[prop(into)] on_change: Callback<(), ()>,
+    #[prop(into)] value: String
 ) -> impl IntoView {
-    let label_id = id.clone();
     view! {
-        <label for=label_id>
+        <label for=value
+            class="flex items-center">
             <input
+                // Using the "peer" class links this input with the div "peer" at the same level.
+                // By using the "peer-checked" selector this div can toggle states based on this
+                // input's state (checked/unchecked)
+                class="
+                    relative peer shrink-0
+                    hidden"
                 type="checkbox"
-                id={id}
+                id={value.clone()}
+                on:change = move |_| on_change.run(())
+                prop:checked = checked
             />
+            // This div displays the box for the checkbox, and applies some styling to the child
+            // span element.
+            <div
+                class="relative inline-block h-5 w-5 m-1 rounded-sm border border-gray-300 bg-white
+                    transition-bg duration-150 peer-checked:bg-red-700 peer-checked:border-red-700
+                    [&>span]:opacity-0 peer-checked:[&>span]:opacity-100"
+            >  
+                // This span is the check icon. It is centered within the div and has a border on the bottom
+                // and right sides, which is then rotated to appear like a checkmark.
+                <span
+                    class="absolute left-1/2 top-1/2 block h-3 w-1.5 -translate-x-1/2 -translate-y-1/2
+                        rotate-45 transform border-b-3 border-r-3
+                        border-white transition-opacity duration-150"
+                ></span>
+            </div>
+            <span>{value.clone()}</span>
         </label>
     }
 }
+
+#[component]
+pub fn CheckboxList(
+    #[prop(default = RwSignal::new(vec![]))] selected: RwSignal<Vec<String>>,
+    #[prop()] items: Vec<String>
+) -> impl IntoView {
+    view! {
+        // Checkbox elements go in here. Each one will have a derived signal
+        // that checks if the name/value of that checkbox is in the selected items
+        // vec. If so, display as selected. If not, clear that checkbox.
+
+        // Somehow create a derived signal??
+
+        {
+            items.into_iter().map(|item| {
+                let is_checked = {
+                    let item_name = item.clone();
+                    move || {
+                        // Check if this checkbox should be selected
+                        selected.get().contains(&item_name)
+                    }
+                };
+
+                let checked_signal = Signal::derive(is_checked);
+
+                view! {
+                    <Checkbox
+                        checked = checked_signal
+                        on_change = {
+                            // Clone this value to avoid moving it into the closure
+                            let item_name = item.clone();
+                            move || {
+                                selected.update(|list| {
+                                    // Check if the list contains this element. If so, remove it. If not, add it.
+                                    if let Some(index) = list.iter().position(|val| *val == item_name) {
+                                        list.remove(index);
+                                    } else {
+                                        list.push(item_name.clone());
+                                    }
+                                });
+                            }
+                        }
+                        // The actual selected values are tracked by this element, not by the checkboxes themselves.
+                        value = item.clone() />
+                }
+            }).collect::<Vec<_>>()
+        }
+    }
+}

src/components/mod.rs

@@ -5,4 +5,4 @@ mod text_field;
 mod select;
 mod checkboxes;
 
-pub use self::{action_button::*, loading::*, multi_entry::*, text_field::*, select::*};
+pub use self::{action_button::*, loading::*, multi_entry::*, text_field::*, select::*, checkboxes::*};

src/pages/home_page.rs

@@ -3,7 +3,7 @@ use std::collections::HashMap;
 use aws_sdk_dynamodb::{error::ProvideErrorMetadata, types::AttributeValue, Client};
 use crate::app::Unauthenticated;
 use crate::common::{StudentInfo, StudentInfoReactive, UserClaims};
-use crate::components::{ActionButton, Loading, OutlinedTextField, Select};
+use crate::components::{ActionButton, Loading, OutlinedTextField, Select, CheckboxList};
 use leptos::leptos_dom::logging::console_log;
 use leptos::prelude::*;
 use leptos_oidc::{Algorithm, AuthLoaded, AuthSignal, Authenticated};
@@ -154,6 +154,7 @@ pub fn HomePage() -> impl IntoView {
                             let reactive_info = StudentInfoReactive::new(submission);
 
                             let select_value = RwSignal::new(String::from("Math"));
+                            let chk_select = RwSignal::new(vec!["Testing 2".into()]);
 
                             view! {
                                 <p>
@@ -184,9 +185,15 @@ pub fn HomePage() -> impl IntoView {
                                         value_list = vec!["Math".into(), "English".into(), "Science".into()]
                                         value = select_value
                                     />
+                                    <div>
+                                        <CheckboxList
+                                            selected = chk_select
+                                            items = vec!["Testing 1".into(), "Testing 2".into()] />
+                                    </div>
                                     <div>
                                         <ActionButton
                                             on:click=move |_| {
+                                                console_log(format!("Found value {:?}", chk_select.get()).as_str());
                                                 submit_action.dispatch(CreateSampleSubmission {
                                                     student_info: reactive_info.capture(),
                                                     subject: user_claims.get().unwrap().claims.subject.clone()

src/pages/provider_entry.rs

@@ -4,7 +4,6 @@ use crate::components::{Loading, MultiEntry, MultiEntryData, MultiEntryMember, O
 use leptos::leptos_dom::logging::console_log;
 use leptos::prelude::*;
 use leptos_oidc::{Algorithm, AuthLoaded, AuthSignal, Authenticated, LogoutLink};
-use serde::{Deserialize, Serialize};
 
 #[component]
 pub fn ProviderEntry() -> impl IntoView {

style/input.css

@@ -1 +1,33 @@
-@import "tailwindcss";
+@import "tailwindcss";
+
+/* Check icon styling */
+.checkbox-icon:checked::after {
+    content: '';
+    position: absolute;
+    top: 50%;
+    bottom: 50%;
+    width: 5px;
+    height: 10px;
+    border: solid #fff;
+    border-width: 0 3px 3px 0;
+    transform: rotate(45deg);
+}
+
+/* Checkbox styling */
+.checkbox-box {
+    position: absolute;
+    top: 0;
+    left: 0;
+    height: 25px;
+    width: 25px;
+    border-radius: 2px;
+}
+
+/* 
+ * Checkbox selected styling.
+ * Selects the first checkbox-icon class after a checked input element within
+ * this checkbox-box.
+ */
+.checkbox-box input:checked ~ .checkbox-icon {
+    background-color: var(--color-red-700);  /* Use the tailwindcss variables */
+}