src/components/checkbox.rs

@@ -1,4 +1,6 @@
+use std::collections::HashMap;
 use leptos::prelude::*;
+use crate::components::ValueType;
 
 #[component]
 pub fn Checkbox(
@@ -42,7 +44,9 @@ pub fn Checkbox(
 
 #[component]
 pub fn CheckboxList(
-    #[prop(default = RwSignal::new(vec![]))] selected: RwSignal<Vec<String>>,
+    #[prop(optional)] selected: RwSignal<Vec<String>>,
+    #[prop(into)] data_member: String,
+    #[prop()] data_map: RwSignal<HashMap<String, ValueType>>,
     #[prop()] items: Vec<String>,
     #[prop(default = RwSignal::new(false))] disabled: RwSignal<bool>,
     #[prop(optional, into)] label: String,
@@ -53,32 +57,57 @@ pub fn CheckboxList(
             {items
                 .into_iter()
                 .map(|item| {
-                    let is_checked = {
+                    let checked_signal = Signal::derive({
                         let item_name = item.clone();
-                        move || { selected.get().contains(&item_name) }
+                        let data_member = data_member.clone();
+                        move || {
+                            data_map.get()  // HashMap
+                                .get(&data_member)  // Option<ValueType>
+                                .unwrap_or(&ValueType::List(None))  // ValueType
+                                .as_list()  // Result<Option<Vec<ValueType>>, ValueType>
+                                .unwrap_or(Some(vec!()))  // Option<Vec<ValueType>>
+                                .unwrap_or(vec!())  // Vec<ValueType>
+                                .contains(&ValueType::String(Some(item_name.clone())))  // bool
+                        }
+                    });
+                
+                    let on_change = {
+                        let item_name = item.clone();
+                        let data_member = data_member.clone();
+                        move || {
+                            let result = ValueType::String(Some(item_name.clone()));
+                            data_map.update(|map| {
+                                if let Some(value_type) = map.get_mut(&data_member) {
+                                    // Get the list from the enum
+                                    if let Some(mut list) = value_type.as_list().unwrap_or(None) {
+                                        // Check if the value exists in the list or not. Both of these branches
+                                        // directly update the value within the hash map, otherwise the change
+                                        // isn't reactive.
+                                        if let Some(index) = list.iter().position(|val| *val == result) {
+                                            // Value is already selected, deselect it.
+                                            list.remove(index);
+                                        } else {
+                                            // Value is not selected, so select it.
+                                            list.push(result);
+                                        }
+                                        *value_type = ValueType::List(Some(list));
+                                    } else {
+                                        // Update the value at the current data_member
+                                        let temp = map.get_mut(&data_member.clone()).unwrap();
+                                        *temp = ValueType::List(Some(vec![result]));
+                                    }
+                                } else {
+                                    // Insert a new list into the hash map
+                                    map.insert(data_member.clone(), ValueType::List(Some(vec![result])));
+                                }
+                            });
+                        }
                     };
-                    let checked_signal = Signal::derive(is_checked);
-                    // Check if this checkbox should be selected
                 
                     view! {
                         <Checkbox
                             checked=checked_signal
-                            on_change={
-                                let item_name = item.clone();
-                                move || {
-                                    selected
-                                        .update(|list| {
-                                            if let Some(index) = list
-                                                .iter()
-                                                .position(|val| *val == item_name)
-                                            {
-                                                list.remove(index);
-                                            } else {
-                                                list.push(item_name.clone());
-                                            }
-                                        });
-                                }
-                            }
+                            on_change=on_change
                             // The actual selected values are tracked by this element, not by the checkboxes themselves.
                             value=item.clone()
                             disabled=disabled

src/components/multi_entry/multi_entry.rs

@@ -1,3 +1,4 @@
+use std::collections::HashMap;
 use std::sync::Arc;
 use leptos::either::either;
 use crate::components::{ActionButton, OutlinedTextField};
@@ -15,6 +16,7 @@ fn render_entry_component(entry_data: MultiEntryData, member_info: MultiEntryMem
             <OutlinedTextField
                 label=member_info.display_name
                 data_member=member_info.member_name
+                data_map=RwSignal::new(HashMap::default())
                 placeholder="testing"
                 value=reactive
             />

src/components/multi_entry/value_type.rs

@@ -4,7 +4,7 @@ use std::fmt::Display;
 /// Defines a set of possible input types. They allow for the type and value of every data member
 /// to be stored within a single `HashMap` or `Vec`. This means that even though all the data is
 /// created as a single type, the values are still able to be type safe.
-#[derive(Clone, Serialize, Deserialize, Debug)]
+#[derive(PartialEq, Clone, Serialize, Deserialize, Debug)]
 pub enum ValueType {
     /// Indicates a `String` value.
     String(Option<String>),

src/components/select.rs

@@ -10,14 +10,13 @@ use crate::components::ValueType;
 /// by the `value` prop of the component.
 #[component]
 pub fn Select(
-    #[prop(default = vec!["Test Value".into()])] value_list: Vec<String>,
-    #[prop(default = RwSignal::new("".into()))] value: RwSignal<String>,
+    #[prop()] value_list: Vec<String>,
+    #[prop(optional)] value: RwSignal<String>,
     #[prop(into)] data_member: String,
     #[prop()] data_map: RwSignal<HashMap<String, ValueType>>,
     #[prop(optional, into)] label: String,
     #[prop(default = RwSignal::new(false))] disabled: RwSignal<bool>,
 ) -> impl IntoView {
-    
     let on_change = {
         let data_member = data_member.clone();
         move |e: Targeted<Event, HtmlSelectElement>| {

src/components/text_field.rs

@@ -8,7 +8,7 @@ pub fn OutlinedTextField(
     #[prop(optional, into)] placeholder: String,
     // #[prop()] value: Subfield<TStore, TInner, ValueType>,
     #[prop(into)] data_member: String,  // should this be an RwSignal??
-    #[prop(optional)] data_map: RwSignal<HashMap<String, ValueType>>,
+    #[prop()] data_map: RwSignal<HashMap<String, ValueType>>,
     #[prop(optional)] value: RwSignal<ValueType>,
     #[prop(default = "text".to_owned(), into)] input_type: String,
     #[prop(optional)] disabled: RwSignal<bool>,
@@ -86,13 +86,11 @@ pub fn OutlinedTextField(
                     disabled={disabled}
                     placeholder={placeholder}
                     prop:name=name
-                    prop:value={
-                        data_map
+                    prop:value=move || data_map
                         .get()  // HashMap
                         .get(&data_member)  // Option<ValueType>
                         .unwrap_or(&ValueType::String(None))  // ValueType
                         .to_string()
-                    }
                     on:input=on_input
                 />
                 <div

src/pages/home_page.rs

@@ -8,7 +8,7 @@ use serde_dynamo::{from_item, to_item};
 
 use crate::app::Unauthenticated;
 use crate::common::{ExpandableInfo, StudentInfo, UserClaims};
-use crate::components::{ActionButton, Loading, OutlinedTextField, Panel, RadioList, Row, Select, ValueType};
+use crate::components::{ActionButton, CheckboxList, Loading, OutlinedTextField, Panel, RadioList, Row, Select, ValueType};
 use leptos::leptos_dom::logging::console_log;
 use leptos::prelude::*;
 use leptos_oidc::{Algorithm, AuthLoaded, AuthSignal, Authenticated};
@@ -92,7 +92,7 @@ pub async fn create_sample_submission(student_info: StudentInfo) -> Result<(), S
 pub async fn log_expandable(info: ExpandableInfo) -> Result<(), ServerFnError> {
     console_log(format!("Was given info: {:?}", info).as_str());
     // Manually specify the type here since we're not able to infer the type later.
-    let item: HashMap<String, AttributeValue> = to_item(info.clone())?;
+    let item: HashMap<String, AttributeValue> = to_item(&info)?;
     console_log(format!("Converted into a DynamoDB item: {:?}", item).as_str());
     
     Ok(())
@@ -181,9 +181,7 @@ pub fn HomePage() -> impl IntoView {
                                                 </p>
                                             </Row>
                                             <Row>
-                                                // Each OutlinedTextField could be simplified later into an enum:
-                                                // Text { data_member, label, placeholder }, i.e.
-                                                // Text { "first_name", "First Name:", "John" }
+                                                // Text { data_member, label, placeholder }
                                                 <OutlinedTextField
                                                     label="First Name:"
                                                     placeholder="John"
@@ -237,7 +235,6 @@ pub fn HomePage() -> impl IntoView {
                                                 />
                                             </Row>
                                             <Row>
-                                                // Each RadioList could be simplified into an enum:
                                                 // Radio { data_member, label, items }
                                                 <RadioList
                                                     label="Town:"
@@ -250,6 +247,18 @@ pub fn HomePage() -> impl IntoView {
                                                     data_map = expandable_react.data
                                                 />
                                             </Row>
+                                            <Row>
+                                                <CheckboxList
+                                                    label="Favorite Candies:"
+                                                    items=vec!["Twizzlers", "Reese's", "Starburst"]
+                                                        .into_iter()
+                                                        .map(|s| s.into())
+                                                        .collect()
+                                                    disabled=elements_disabled
+                                                    data_member="favorite_candies"
+                                                    data_map=expandable_react.data
+                                                />
+                                            </Row>
                                             <Row>
                                                 // Select { data_member, label, items }
                                                 <Select

src/pages/provider_entry.rs

@@ -1,3 +1,4 @@
+use std::collections::HashMap;
 use crate::app::Unauthenticated;
 use crate::common::UserClaims;
 use crate::components::{Loading, MultiEntry, MultiEntryData, MultiEntryMember, OutlinedTextField, ValueType};
@@ -24,11 +25,13 @@ pub fn ProviderEntry() -> impl IntoView {
                 <h1>This is the provider entry page</h1>
                 <h2>It would usually have a series of questions that we ask the providers</h2>
                 <div>
+                    // Much of this is just a placeholder.
                     <OutlinedTextField
                         placeholder = "Testing information..."
                         name = "testing_input"
                         label = "This is a testing question."
                         data_member = "testing"
+                        data_map = RwSignal::new(HashMap::new())
                         value = RwSignal::new(ValueType::String(None))
                     />
                 </div>