Deserialize project

src/Tools/tim_tool/src/gui/file_tab/callbacks.rs

@@ -1,4 +1,4 @@
-use std::{fs::File, io::Write};
+use std::{fs::File, io::Write, path::PathBuf};
 
 use crate::{gui::{self, main_tab::MainTab, MutexTIMManager, VRAM_HEIGHT, VRAM_WIDTH}, MainWindow};
 use super::FileTab;
@@ -62,8 +62,21 @@ pub(super) fn on_add_image(tim_manager: MutexTIMManager) -> impl FnMut(&mut File
 }
 
 pub(super) fn on_load_project_clicked() -> impl FnMut(&mut FileTab, &MainWindow) -> Result<(), Error> + 'static {
-    move |_file_tab, _main_window| {
-        Err(Error::not_implemented("on_load_project_clicked"))
+    move |_file_tab, main_window| {
+        let open_location = main_window.get_project_widget_open_project_path();
+        if open_location.is_empty() {
+            return Err(Error::from_str("Please specify location for project file to open"));
+        }
+
+        let file_content = tool_helper::read_file_to_string(&PathBuf::from(open_location.as_str()))?;
+        let _new_project  = match serde_json::from_str::<Project>(&file_content) {
+            Ok(project) => project,
+            Err(error)  => {
+                return Err(Error::from_error(error));
+            }
+        };
+
+        Ok(())
     }
 }