radix_leptos_primitives/components/

file_upload.rs

use crate::utils::{merge_classes, generate_id};
use leptos::callback::Callback;
use leptos::children::Children;
use leptos::prelude::*;
use wasm_bindgen::JsCast;

/// File Upload component - File upload with drag & drop support
#[component]
pub fn FileUpload(
    #[prop(optional)] class: Option<String>,
    #[prop(optional)] style: Option<String>,
    #[prop(optional)] children: Option<Children>,
    #[prop(optional)] multiple: Option<bool>,
    #[prop(optional)] accept: Option<String>,
    #[prop(optional)] max_size: Option<u64>,
    #[prop(optional)] max_files: Option<usize>,
    #[prop(optional)] disabled: Option<bool>,
    #[prop(optional)] drag_drop_enabled: Option<bool>,
    #[prop(optional)] on_files_select: Option<Callback<Vec<FileInfo>>>,
    #[prop(optional)] on_upload_progress: Option<Callback<UploadProgress>>,
    #[prop(optional)] on_upload_complete: Option<Callback<Vec<FileInfo>>>,
    #[prop(optional)] on_upload_error: Option<Callback<String>>,
) -> impl IntoView {
    let _multiple = multiple.unwrap_or(false);
    let _accept = accept.unwrap_or_default();
    let _max_size = max_size.unwrap_or(10 * 1024 * 1024); // 10MB default
    let _max_files = max_files.unwrap_or(10);
    let disabled = disabled.unwrap_or(false);
    let drag_drop_enabled = drag_drop_enabled.unwrap_or(true);

    let class = merge_classes(vec![
        "file-upload",
        if drag_drop_enabled {
            "drag-drop-enabled"
        } else {
            "drag-drop-disabled"
        },
        class.as_deref().unwrap_or(""),
    ]);

    let handle_drop = move |event: web_sys::DragEvent| {
        if !disabled && drag_drop_enabled {
            event.prevent_default();
            // File handling logic would be implemented here
        }
    };

    let handle_dragover = move |event: web_sys::DragEvent| {
        if !disabled && drag_drop_enabled {
            event.prevent_default();
        }
    };

    view! {
        <div
            class=class
            style=style
            role="button"
            aria-label="File upload area"
            data-multiple=multiple
            data-accept=_accept
            data-max-size=_max_size
            data-max-files=_max_files
            on:drop=handle_drop
            on:dragover=handle_dragover
            tabindex="0"
        >
            {children.map(|c| c())}
        </div>
    }
}

/// File Upload Input component
#[component]
pub fn FileUploadInput(
    #[prop(optional)] class: Option<String>,
    #[prop(optional)] style: Option<String>,
    #[prop(optional)] multiple: Option<bool>,
    #[prop(optional)] accept: Option<String>,
    #[prop(optional)] disabled: Option<bool>,
    #[prop(optional)] on_change: Option<Callback<Vec<FileInfo>>>,
) -> impl IntoView {
    let multiple = multiple.unwrap_or(false);
    let accept = accept.unwrap_or_default();
    let disabled = disabled.unwrap_or(false);

    let class = merge_classes(vec!["file-upload-input", class.as_deref().unwrap_or("")]);

    let handle_change = move |event: web_sys::Event| {
        if let Some(_input) = event
            .target()
            .and_then(|t| t.dyn_into::<web_sys::HtmlInputElement>().ok())
        {
            // File processing logic would be implemented here
            if let Some(callback) = on_change {
                callback.run(Vec::new());
            }
        }
    };

    view! {
        <input
            class=class
            style=style
            type="file"
            multiple=multiple
            accept=accept
            disabled=disabled
            on:change=handle_change
        />
    }
}

/// File Upload Drop Zone component
#[component]
pub fn FileUploadDropZone(
    #[prop(optional)] class: Option<String>,
    #[prop(optional)] style: Option<String>,
    #[prop(optional)] children: Option<Children>,
    #[prop(optional)] disabled: Option<bool>,
    #[prop(optional)] on_drop: Option<Callback<Vec<FileInfo>>>,
    #[prop(optional)] on_drag_enter: Option<Callback<()>>,
    #[prop(optional)] on_drag_leave: Option<Callback<()>>,
) -> impl IntoView {
    let disabled = disabled.unwrap_or(false);

    let class = merge_classes(vec!["file-upload-drop-zone"]);

    let handle_drag_enter = move |_| {
        if !disabled {
            if let Some(callback) = on_drag_enter {
                callback.run(());
            }
        }
    };

    let handle_drag_leave = move |_| {
        if !disabled {
            if let Some(callback) = on_drag_leave {
                callback.run(());
            }
        }
    };

    view! {
        <div
            class=class
            style=style
            role="button"
            aria-label="File drop zone"
            on:drop=move |event: web_sys::DragEvent| {
                if !disabled {
                    event.prevent_default();
                    if let Some(callback) = on_drop {
                        // File handling logic would be implemented here
                        callback.run(vec![]);
                    }
                }
            }
            on:dragenter=handle_drag_enter
            on:dragleave=handle_drag_leave
            tabindex="0"
        >
            {children.map(|c| c())}
        </div>
    }
}

/// File Upload List component
#[component]
pub fn FileUploadList(
    #[prop(optional)] class: Option<String>,
    #[prop(optional)] style: Option<String>,
    #[prop(optional)] children: Option<Children>,
    #[prop(optional)] files: Option<Vec<FileInfo>>,
    #[prop(optional)] on_file_remove: Option<Callback<String>>,
) -> impl IntoView {
    let files = files.unwrap_or_default();

    let class = merge_classes(vec!["file-upload-list", class.as_deref().unwrap_or("")]);

    view! {
        <div
            class=class
            style=style
            role="list"
            aria-label="Uploaded files"
        >
            {children.map(|c| c())}
        </div>
    }
}

/// File Upload Item component
#[component]
pub fn FileUploadItem(
    #[prop(optional)] class: Option<String>,
    #[prop(optional)] style: Option<String>,
    #[prop(optional)] children: Option<Children>,
    #[prop(optional)] file: Option<FileInfo>,
    #[prop(optional)] on_remove: Option<Callback<String>>,
) -> impl IntoView {
    let file = file.unwrap_or_default();

    let class = merge_classes(vec![
        "file-upload-item",
        &file.status.to_class(),
        class.as_deref().unwrap_or(""),
    ]);

    let file_id = file.id.clone();
    let handle_remove = move |_: web_sys::MouseEvent| {
        if let Some(callback) = on_remove {
            callback.run(file_id.clone());
        }
    };

    view! {
        <div
            class=class
            style=style
            role="listitem"
            aria-label=format!("File: {}", file.name)
            data-file-id=file.id
            data-file-name=file.name
            data-file-size=file.size
            data-file-type=file.file_type
        >
            {children.map(|c| c())}
        </div>
    }
}

/// File Info structure
#[derive(Debug, Clone, PartialEq)]
pub struct FileInfo {
    pub id: String,
    pub name: String,
    pub size: u64,
    pub file_type: String,
    pub status: FileStatus,
    pub progress: f64,
    pub error_message: Option<String>,
}

impl Default for FileInfo {
    fn default() -> Self {
        Self {
            id: "file".to_string(),
            name: "file.txt".to_string(),
            size: 0,
            file_type: "text/plain".to_string(),
            status: FileStatus::Pending,
            progress: 0.0,
            error_message: None,
        }
    }
}

/// File Status enum
#[derive(Debug, Clone, Copy, PartialEq, Eq, Default)]
pub enum FileStatus {
    #[default]
    Pending,
    Uploading,
    Completed,
    Error,
    Cancelled,
}

impl FileStatus {
    pub fn to_class(&self) -> &'static str {
        match self {
            FileStatus::Pending => "status-pending",
            FileStatus::Uploading => "status-uploading",
            FileStatus::Completed => "status-completed",
            FileStatus::Error => "status-error",
            FileStatus::Cancelled => "status-cancelled",
        }
    }
}

/// Upload Progress structure
#[derive(Debug, Clone, PartialEq)]
pub struct UploadProgress {
    pub file_id: String,
    pub progress: f64,
    pub bytes_uploaded: u64,
    pub total_bytes: u64,
}

impl Default for UploadProgress {
    fn default() -> Self {
        Self {
            file_id: "file".to_string(),
            progress: 0.0,
            bytes_uploaded: 0,
            total_bytes: 0,
        }
    }
}

#[cfg(test)]
mod tests {
    use proptest::prelude::*;
    use wasm_bindgen_test::*;

    wasm_bindgen_test_configure!(run_in_browser);

    // Unit Tests
    #[test]
    fn test_file_upload_creation() {}
    #[test]
    fn test_file_upload_with_class() {}
    #[test]
    fn test_file_upload_with_style() {}
    #[test]
    fn test_file_upload_multiple() {}
    #[test]
    fn test_file_upload_accept() {}
    #[test]
    fn test_file_upload_max_size() {}
    #[test]
    fn test_file_upload_max_files() {}
    #[test]
    fn test_file_uploaddisabled() {}
    #[test]
    fn test_file_upload_drag_drop_enabled() {}
    #[test]
    fn test_file_upload_on_files_select() {}
    #[test]
    fn test_file_upload_on_upload_progress() {}
    #[test]
    fn test_file_upload_on_upload_complete() {}
    #[test]
    fn test_file_upload_on_upload_error() {}

    // File Upload Input tests
    #[test]
    fn test_file_upload_input_creation() {}
    #[test]
    fn test_file_upload_input_with_class() {}
    #[test]
    fn test_file_upload_input_multiple() {}
    #[test]
    fn test_file_upload_input_accept() {}
    #[test]
    fn test_file_upload_inputdisabled() {}
    #[test]
    fn test_file_upload_input_on_change() {}

    // File Upload Drop Zone tests
    #[test]
    fn test_file_upload_drop_zone_creation() {}
    #[test]
    fn test_file_upload_drop_zone_with_class() {}
    #[test]
    fn test_file_upload_drop_zonedisabled() {}
    #[test]
    fn test_file_upload_drop_zone_on_drop() {}
    #[test]
    fn test_file_upload_drop_zone_on_drag_enter() {}
    #[test]
    fn test_file_upload_drop_zone_on_drag_leave() {}

    // File Upload List tests
    #[test]
    fn test_file_upload_list_creation() {}
    #[test]
    fn test_file_upload_list_with_class() {}
    #[test]
    fn test_file_upload_list_files() {}
    #[test]
    fn test_file_upload_list_on_file_remove() {}

    // File Upload Item tests
    #[test]
    fn test_file_upload_item_creation() {}
    #[test]
    fn test_file_upload_item_with_class() {}
    #[test]
    fn test_file_upload_item_file() {}
    #[test]
    fn test_file_upload_item_on_remove() {}

    // File Info tests
    #[test]
    fn test_file_info_default() {}
    #[test]
    fn test_file_info_creation() {}

    // File Status tests
    #[test]
    fn test_file_status_default() {}
    #[test]
    fn test_file_status_pending() {}
    #[test]
    fn test_file_status_uploading() {}
    #[test]
    fn test_file_status_completed() {}
    #[test]
    fn test_file_status_error() {}
    #[test]
    fn test_file_status_cancelled() {}

    // Upload Progress tests
    #[test]
    fn test_upload_progress_default() {}
    #[test]
    fn test_upload_progress_creation() {}

    // Helper function tests
    #[test]
    fn test_merge_classes_empty() {}
    #[test]
    fn test_merge_classes_single() {}
    #[test]
    fn test_merge_classes_multiple() {}
    #[test]
    fn test_merge_classes_with_empty() {}

    // Property-based Tests
    #[test]
    fn test_file_upload_property_based() {
        proptest!(|(____class in ".*", __style in ".*")| {

        });
    }

    #[test]
    fn test_file_upload_file_validation() {
        proptest!(|(______file_count in 0..20usize)| {

        });
    }

    #[test]
    fn test_file_upload_size_validation() {
        proptest!(|(____size in 0..1000000000u64)| {

        });
    }

    // Integration Tests
    #[test]
    fn test_file_upload_user_interaction() {}
    #[test]
    fn test_file_upload_accessibility() {}
    #[test]
    fn test_file_upload_drag_drop_workflow() {}
    #[test]
    fn test_file_upload_progress_tracking() {}
    #[test]
    fn test_file_upload_error_handling() {}

    // Performance Tests
    #[test]
    fn test_file_upload_large_files() {}
    #[test]
    fn test_file_upload_multiple_files() {}
    #[test]
    fn test_file_upload_render_performance() {}
    #[test]
    fn test_file_upload_memory_usage() {}
}