From f773fada0c482ba03b89793f2410e0eb0d7b51a7 Mon Sep 17 00:00:00 2001
From: luoxiao <luoxiaozero@163.com>
Date: Thu, 22 Aug 2024 15:46:44 +0800
Subject: [PATCH] feat: Textarea adds rules prop

---
 thaw/src/field/docs/mod.md    |  5 +-
 thaw/src/input/docs/mod.md    |  3 ++
 thaw/src/textarea/docs/mod.md |  3 ++
 thaw/src/textarea/mod.rs      | 96 ++++++++++++++++++++++++++++++-----
 4 files changed, 92 insertions(+), 15 deletions(-)

diff --git a/thaw/src/field/docs/mod.md b/thaw/src/field/docs/mod.md
index d438997..888cad7 100644
--- a/thaw/src/field/docs/mod.md
+++ b/thaw/src/field/docs/mod.md
@@ -38,6 +38,9 @@ view! {
                     <Checkbox label="Remember me" value="true"/>
                 </CheckboxGroup>
             </Field>
+            <Field label="Textarea" name="textarea">
+                <Textarea rules=vec![TextareaRule::required(true.into())]/>
+            </Field>
             <Field name="radio">
                 <RadioGroup rules=vec![RadioGroupRule::required(true.into())] >
                     <Radio label="0" value="false"/>
@@ -65,7 +68,7 @@ view! {
             <Field name="date">
                 <DatePicker rules=vec![DatePickerRule::required(true.into())]/>
             </Field>
-            
+
             <div style="margin-top: 8px">
                 <Button
                     button_type=ButtonType::Submit
diff --git a/thaw/src/input/docs/mod.md b/thaw/src/input/docs/mod.md
index d410903..a9ccd84 100644
--- a/thaw/src/input/docs/mod.md
+++ b/thaw/src/input/docs/mod.md
@@ -106,6 +106,9 @@ view! {
 | Name | Type | Default | Description |
 | --- | --- | --- | --- |
 | class | `MaybeProp<String>` | `Default::default()` |  |
+| id | `MaybeProp<String>` | `Default::default()` |  |
+| name | `MaybeProp<String>` | `Default::default()` | A string specifying a name for the input control. This name is submitted along with the control's value when the form data is submitted. |
+| rules | `Vec<InputRule>` | `vec![]` | The rules to validate Field. |
 | value | `Model<String>` | `Default::default()` | Set the input value. |
 | allow_value | `Option<ArcOneCallback<String, bool>>` | `None` | Check the incoming value, if it returns false, input will not be accepted. |
 | input_type | `MaybeSignal<InputType>` | `InputType::Text` | An input can have different text-based types based on the type of value the user will enter. |
diff --git a/thaw/src/textarea/docs/mod.md b/thaw/src/textarea/docs/mod.md
index 833a618..67b826a 100644
--- a/thaw/src/textarea/docs/mod.md
+++ b/thaw/src/textarea/docs/mod.md
@@ -36,6 +36,9 @@ view! {
 | Name | Type | Default | Description |
 | --- | --- | --- | --- |
 | class | `MaybeProp<String>` | `Default::default()` |  |
+| id | `MaybeProp<String>` | `Default::default()` |  |
+| name | `MaybeProp<String>` | `Default::default()` | A string specifying a name for the input control. This name is submitted along with the control's value when the form data is submitted. |
+| rules | `Vec<TextareaRule>` | `vec![]` | The rules to validate Field. |
 | value | `Model<String>` | `Default::default()` | The value of the Textarea. |
 | allow_value | `Option<BoxOneCallback<String, bool>>` | `None` | Check the incoming value, if it returns false, input will not be accepted. |
 | placeholder | `MaybeProp<String>` | `Default::default()` | Placeholder text for the input. |
diff --git a/thaw/src/textarea/mod.rs b/thaw/src/textarea/mod.rs
index e992fb3..764ef7c 100644
--- a/thaw/src/textarea/mod.rs
+++ b/thaw/src/textarea/mod.rs
@@ -1,9 +1,19 @@
+use crate::{FieldInjection, FieldValidationState, Rule};
 use leptos::{ev, html, prelude::*};
+use std::ops::Deref;
 use thaw_utils::{class_list, mount_style, BoxOneCallback, ComponentRef, Model};
 
 #[component]
 pub fn Textarea(
     #[prop(optional, into)] class: MaybeProp<String>,
+    #[prop(optional, into)] id: MaybeProp<String>,
+    /// A string specifying a name for the input control.
+    /// This name is submitted along with the control's value when the form data is submitted.
+    #[prop(optional, into)]
+    name: MaybeProp<String>,
+    /// The rules to validate Field.
+    #[prop(optional, into)]
+    rules: Vec<TextareaRule>,
     /// The value of the Textarea.
     #[prop(optional, into)]
     value: Model<String>,
@@ -29,7 +39,8 @@ pub fn Textarea(
     // #[prop(attrs)] attrs: Vec<(&'static str, Attribute)>,
 ) -> impl IntoView {
     mount_style("textarea", include_str!("./textarea.css"));
-
+    let (id, name) = FieldInjection::use_id_and_name(id, name);
+    let validate = Rule::validate(rules, value, name);
     let value_trigger = ArcTrigger::new();
     let on_input = {
         let value_trigger = value_trigger.clone();
@@ -42,35 +53,28 @@ pub fn Textarea(
                 }
             }
             value.set(input_value);
+            validate.run(Some(TextareaRuleTrigger::Input));
         }
     };
+    let on_change = move |_| {
+        validate.run(Some(TextareaRuleTrigger::Change));
+    };
     let on_internal_focus = move |ev| {
         if let Some(on_focus) = on_focus.as_ref() {
             on_focus(ev);
         }
+        validate.run(Some(TextareaRuleTrigger::Focus));
     };
     let on_internal_blur = move |ev| {
         if let Some(on_blur) = on_blur.as_ref() {
             on_blur(ev);
         }
+        validate.run(Some(TextareaRuleTrigger::Blur));
     };
 
     let textarea_ref = NodeRef::<html::Textarea>::new();
     comp_ref.load(TextareaRef { textarea_ref });
 
-    // #[cfg(debug_assertions)]
-    // {
-    //     const INNER_ATTRS: [&str; 3] = ["class", "disabled", "placeholder"];
-    //     attrs.iter().for_each(|attr| {
-    //         if INNER_ATTRS.contains(&attr.0) {
-    //             logging::warn!(
-    //                 "Thaw: The '{}' attribute already exists on elements inside the TextArea component, which may cause conflicts.",
-    //                 attr.0
-    //             );
-    //         }
-    //     });
-    // }
-
     view! {
         <span class=class_list![
             "thaw-textarea",
@@ -85,9 +89,12 @@ pub fn Textarea(
                 }
 
                 on:input=on_input
+                on:change=on_change
                 on:focus=on_internal_focus
                 on:blur=on_internal_blur
                 class="thaw-textarea__textarea"
+                id=id
+                name=name
                 disabled=move || disabled.get()
                 placeholder=move || placeholder.get()
                 node_ref=textarea_ref
@@ -136,3 +143,64 @@ impl TextareaResize {
         }
     }
 }
+
+#[derive(Debug, Default, PartialEq, Clone, Copy)]
+pub enum TextareaRuleTrigger {
+    #[default]
+    Blur,
+    Focus,
+    Input,
+    Change,
+}
+
+pub struct TextareaRule(Rule<String, TextareaRuleTrigger>);
+
+impl TextareaRule {
+    pub fn required(required: MaybeSignal<bool>) -> Self {
+        Self::validator(move |value, name| {
+            if required.get_untracked() && value.is_empty() {
+                let message = name.get_untracked().map_or_else(
+                    || String::from("Please input!"),
+                    |name| format!("Please input {name}!"),
+                );
+                Err(FieldValidationState::Error(message))
+            } else {
+                Ok(())
+            }
+        })
+    }
+
+    pub fn required_with_message(
+        required: MaybeSignal<bool>,
+        message: MaybeSignal<String>,
+    ) -> Self {
+        Self::validator(move |value, _| {
+            if required.get_untracked() && value.is_empty() {
+                Err(FieldValidationState::Error(message.get_untracked()))
+            } else {
+                Ok(())
+            }
+        })
+    }
+
+    pub fn validator(
+        f: impl Fn(&String, Signal<Option<String>>) -> Result<(), FieldValidationState>
+            + Send
+            + Sync
+            + 'static,
+    ) -> Self {
+        Self(Rule::validator(f))
+    }
+
+    pub fn with_trigger(self, trigger: TextareaRuleTrigger) -> Self {
+        Self(Rule::with_trigger(self.0, trigger))
+    }
+}
+
+impl Deref for TextareaRule {
+    type Target = Rule<String, TextareaRuleTrigger>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}