add download functionality of datasheets

Cargo.toml

@@ -23,6 +23,7 @@ subprocess = "0.2.9"
 serde_json = "1.0.114"
 regex = "1.10.3"
 indexmap = "2.2.5"
+downloader = "0.2.7"
 
 # You only need serde if you want app persistence:
 serde = { version = "1", features = ["derive"] }

src/app.rs

@@ -1,3 +1,6 @@
+use std::{fs::create_dir_all, path::Path};
+
+use downloader::{Download, Downloader};
 use egui::{TextEdit, Vec2, Window};
 use egui_extras::{Column, TableBuilder};
 use indexmap::{indexmap, IndexMap};
@@ -300,7 +303,22 @@ impl eframe::App for MyApp {
                                 if self.no_symbol {
                                     args.push("--no_symbol");
                                 }
-                                Exec::cmd(&self.exe_path).args(&args).popen();
+                                let _ = Exec::cmd(&self.exe_path).args(&args).popen();
+                                if self.download_datasheet {
+                                    let dlpath = Path::new(&self.datasheet_dir);
+                                    if !dlpath.is_dir() {
+                                        let _ = create_dir_all(dlpath);
+                                    }
+                                    if let Some(url) = self.current_part.get("meta_datasheeturl") {
+                                        let dl = Downloader::builder()
+                                            .download_folder(&dlpath)
+                                            .build()
+                                            .ok();
+                                        if let Some(mut dl) = dl {
+                                            let _ = dl.download(&[Download::new(url)]);
+                                        }
+                                    }
+                                }
                             }
                         }
                     } else {

src/main.rs

@@ -8,7 +8,7 @@ fn main() -> eframe::Result<()> {
 
     let native_options = eframe::NativeOptions {
         viewport: egui::ViewportBuilder::default()
-            .with_inner_size([1024.0, 768.0])
+            .with_inner_size([1024.0, 1000.0])
             .with_min_inner_size([300.0, 220.0])
             .with_title("EasyEDA to KiCAD Library UI")
             .with_icon(