refactoring - reduced code size by about a third

1 files changed, 240 insertions, 0 deletions

diff --git a/src/model/mod.rs b/src/model/mod.rs
new file mode 100644
index 0000000..45c91f1
--- /dev/null
+++ b/src/model/mod.rs
@@ -0,0 +1,240 @@
+use crate::model::utility::File;
+use crate::view::property_group::*;
+use wasm_bindgen::closure::Closure;
+use wasm_bindgen::JsCast;
+use web_sys::FileReader;
+use yew::prelude::*;
+use yew::services::ConsoleService;
+
+pub mod address;
+pub mod dates;
+pub mod name;
+pub mod organizational;
+pub mod telephone;
+pub mod utility;
+pub mod vcard;
+
+/// Trait for types that represent the data of a vcard property used inside of a `VCardPropertyInputComponent`.
+pub trait VCardPropertyInputObject<M: 'static + PartialEq + Clone>: Clone + PartialEq
+where
+    Self: Sized,
+{
+    /// Function for creating a new (and empty) `VCardPropertyInputObject`.
+    fn new() -> Self;
+    /// Getter function for the title of the component
+    fn get_title(&self) -> String;
+    /// Converts each field of the `VCardPropertyInputObject` to a VCardPropertyInputField and returns them as a vector.
+    fn get_input_fields(
+        &self,
+        link: &ComponentLink<PropertyGroupInputComponent<Self, M>>,
+    ) -> Vec<VCardPropertyInputField>;
+    fn update(
+        &mut self,
+        props: InputProps<Self, M>,
+        msg: <PropertyGroupInputComponent<Self, M> as yew::Component>::Message,
+    ) -> bool;
+    /// Returns a `Html` representation of the `VCardPropertyInputObject`.
+    fn render(&self, link: &ComponentLink<PropertyGroupInputComponent<Self, M>>) -> Html {
+        html! {
+            <div class="columns is-mobile is-multiline">
+                {
+                    for self.get_input_fields(link).iter().map(|field|
+                        field.render()
+                    )
+                }
+            </div>
+        }
+    }
+    /// Convenience function for checking if the `VCardPropertyInputObject` is empty.
+    fn is_empty(&self) -> bool;
+}
+
+/// Type for saving error messages.
+///
+/// More of a placeholder for something better later on.
+#[derive(Debug, Clone, PartialEq)]
+pub struct Error {
+    pub msg: String,
+}
+
+/// Type that represents the visiual appearance of an input field.
+pub enum VCardPropertyInputField {
+    Text {
+        label: String,
+        id: Option<String>,
+        placeholder: Option<String>,
+        oninput: Callback<InputData>,
+        value: String,
+        typ: String,
+    },
+    File {
+        label: String,
+        name: String,
+        callback: Callback<Option<File>>,
+        value: Option<File>,
+    },
+    CheckBox {
+        label: String,
+        id: Option<String>,
+        onclick: Callback<MouseEvent>,
+        value: bool,
+    },
+}
+
+impl VCardPropertyInputField {
+    /// Returns a `Html` representation of the `VCardPropertyInputField`.
+    pub fn render(&self) -> Html {
+        match self {
+            Self::Text {
+                label,
+                id,
+                placeholder,
+                oninput,
+                value: _,
+                typ,
+            } => Self::text_field_input(label, id, placeholder, oninput, typ),
+            Self::File {
+                label,
+                name,
+                callback,
+                value,
+            } => Self::file_field_input(label, name, callback, value),
+            Self::CheckBox {
+                label,
+                id,
+                onclick,
+                value,
+            } => Self::checkbox_field_input(label, id, value, onclick),
+        }
+    }
+    /// Returns an `Html` representation of a text input field with the given parameters.
+    fn text_field_input(
+        label: &str,
+        id: &Option<String>,
+        placeholder: &Option<String>,
+        oninput: &Callback<InputData>,
+        typ: &str,
+    ) -> Html {
+        html! {
+            <div class="field column
+                        is-one-fifth-widescreen
+                        is-one-quarter-desktop
+                        is-one-third-tablet
+                        is-half-mobile" >
+                <label class="label">{ label }</label>
+                <div class="control">
+                    <input  id=id.as_ref().unwrap_or(&"".to_string())
+                            type=typ
+                            placeholder=placeholder.as_ref().unwrap_or(&"".to_string())
+                            oninput=oninput
+                    />
+                </div>
+            </div>
+        }
+    }
+    /// Returns an `Html` representation of a file input field with the given parameters.
+    fn file_field_input(
+        label: &str,
+        name: &str,
+        callback: &Callback<Option<File>>,
+        file: &Option<File>,
+    ) -> Html {
+        let callback = callback.clone();
+        let onchange = Callback::<()>::default();
+        let onchange = onchange.reform(move |c: ChangeData| {
+            if let ChangeData::Files(files) = c {
+                match files.item(0) {
+                    Some(file) => {
+                        let file_reader = FileReader::new().unwrap();
+                        match file_reader.read_as_data_url(&file) {
+                            Ok(_) => (),
+                            Err(_) => ConsoleService::warn("Error: Couldn't get file as data url."),
+                        };
+
+                        let callback = callback.clone();
+                        let onload = Closure::wrap(Box::new(move |event: Event| {
+                            let file_reader: FileReader =
+                                event.target().unwrap().dyn_into().unwrap();
+                            let data_url: Option<String> =
+                                file_reader.result().unwrap().as_string();
+                            match data_url {
+                                Some(content) => callback.emit(Some(File {
+                                    name: file.name(),
+                                    content,
+                                })),
+                                None => {
+                                    ConsoleService::warn("Couldn't get data url as string.");
+                                    callback.emit(None);
+                                }
+                            };
+                        }) as Box<dyn FnMut(_)>);
+
+                        file_reader.set_onload(Some(onload.as_ref().unchecked_ref()));
+                        onload.forget();
+                    }
+                    None => callback.emit(None),
+                }
+            } else {
+                callback.emit(None);
+            }
+        });
+        html! {
+            <div class="field column
+                        is-one-fifth-widescreen
+                        is-one-quarter-desktop
+                        is-one-third-tablet
+                        is-half-mobile" >
+                <label class="label">{ label }</label>
+                <div class="file has-name control">
+                    <label class="file-label">
+                        <input  class="file-input"
+                                type="file"
+                                name=name
+                                onchange=onchange
+                        />
+                        <span class="file-cta">
+                        <span class="file-icon">
+                            <i class="fas fa-upload"></i>
+                        </span>
+                        <span class="file-label">
+                            { "Choose file..." }
+                        </span>
+                        </span>
+                        <span class="file-name">
+                            {
+                                match file {
+                                    Some(file) => file.name.clone(),
+                                    None => String::from("No file selected"),
+                                }
+                            }
+                        </span>
+                    </label>
+                </div>
+            </div>
+        }
+    }
+    /// Returns an `Html` representation of a checkbox input field with the given parameters.
+    fn checkbox_field_input(
+        label: &str,
+        id: &Option<String>,
+        checked: &bool,
+        onclick: &Callback<MouseEvent>,
+    ) -> Html {
+        html! {
+            <div class="field column
+                        is-one-fifth-widescreen 
+                        is-one-quarter-desktop 
+                        is-one-third-tablet 
+                        is-half-mobile" >
+                <label class="checkbox">
+                    <input  id=id.as_ref().unwrap_or(&"".to_string())
+                            type="checkbox"
+                            checked=*checked
+                            onclick=onclick
+                    />
+                    { label }
+                </label>
+            </div>
+        }
+    }
+}