Merge pull request #1793 from ramox81/codex/block-definition-command-line

Block Definition: command-line forms, block record data and dialog defaults

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/app/command_driver/entity_commit.rs

@@ -764,16 +764,21 @@ impl OpenCADStudio {
         mut options: Box<crate::scene::CreateBlockOptions>,
     ) -> Option<Task<Message>> {
         let i = self.active_tab;
+        // No objects at all defines an empty block; objects that were all on
+        // locked layers define nothing.
+        let picked = options.handles.len();
         options
             .handles
             .retain(|handle| !self.tabs[i].scene.is_layer_locked(*handle));
-        if options.handles.is_empty() {
+        if picked > 0 && options.handles.is_empty() {
             self.command_line
                 .push_info(crate::t!("No editable objects selected.").as_ref());
             return Some(Task::none());
         }
         self.push_undo_snapshot(i, "BLOCK");
         let name = options.name.clone();
+        let redefined = options.redefine
+            && self.tabs[i].scene.document.block_records.get(&name).is_some();
         match self.tabs[i].scene.create_block_with_options(*options) {
             Ok(insert_handle) => {
                 self.tabs[i].dirty = true;
@@ -784,8 +789,11 @@ impl OpenCADStudio {
                 self.tabs[i].scene.clear_preview_wire();
                 self.tabs[i].active_cmd = None;
                 self.tabs[i].snap_result = None;
-                self.command_line
-                    .push_output(crate::tf!("Block \"{name}\" created.").as_ref());
+                // A new definition is not reported; a redefinition is.
+                if redefined {
+                    self.command_line
+                        .push_output(&format!("Block \"{name}\" redefined"));
+                }
                 self.refresh_properties();
                 self.note_recent_block(&name);
                 self.refresh_block_palette();