WIP: Sheet Set Manager palette, wizard, properties and sheet set fields

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

src/app/commands/display.rs

@@ -587,12 +587,6 @@ impl OpenCADStudio {
                     .push_info(crate::t!("TOOLPALETTES: Tool Palettes not yet implemented.").as_ref());
             }
 
-            // ── SHEETSET — not yet implemented ───────────────────────────────────
-            "SHEETSET" => {
-                self.command_line
-                    .push_info(crate::t!("SHEETSET: Sheet Set Manager not yet implemented.").as_ref());
-            }
-
             // ── XDATA — read/write extended entity data ──────────────────────────
             // XDATA LIST             — show all xdata records on selected entities
             // XDATA SET <app> <str>  — append a string xdata value for <app>

src/app/commands/field.rs

@@ -46,6 +46,13 @@ impl OpenCADStudio {
             .iter()
             .map(|f| self.field_value(&format!("\\AcVar Date \\f \"{f}\""), &[]))
             .collect();
+        if let Some(db) = self.sheet_set.db() {
+            let custom = codec::sheet_set::custom_properties(db.sheet_set());
+            let names = |flag: i32| custom.iter().filter(|(_, _, f)| f & flag != 0).map(|(n, _, _)| n.clone()).collect();
+            state.ss_sheet_custom = names(codec::sheet_set::CUSTOM_SHEET_PROP);
+            state.ss_set_custom = names(codec::sheet_set::CUSTOM_SHEET_SET_PROP);
+            state.ss_set_name = db.name().to_string();
+        }
         self.field_dialog = Some(state);
         self.fill_named_objects();
         self.refresh_field_preview();
@@ -113,8 +120,16 @@ impl OpenCADStudio {
             }
             FieldDialogMsg::Name(n) => {
                 state.name = n;
-                state.text_case = 0;
+                // Sheet set fields start in Title case.
+                state.text_case = if crate::ui::window::field_dialog::SHEET_SET_FIELDS.contains(&n) { 4 } else { 0 };
+                state.ss_custom.clear();
             }
+            FieldDialogMsg::SsCustom(name) => state.ss_custom = name,
+            FieldDialogMsg::SsPlaceholder(k) => {
+                state.ss_placeholder = k;
+                state.ss_custom.clear();
+            }
+            FieldDialogMsg::SsScaleFormat(k) => state.ss_scale_format = k,
             FieldDialogMsg::DateFormat(f) => state.date_format = f,
             FieldDialogMsg::DateExample(k) => {
                 if let Some(f) = DATE_FORMATS.get(k) {

src/app/commands/mod.rs

@@ -21,6 +21,7 @@ mod pc_colormap;
 mod pc_extract;
 mod pdf_underlay;
 mod pdf_dialogs;
+pub(crate) mod sheet_set;
 mod xclip;
 mod blockvars;
 mod plotvars;
@@ -293,6 +294,9 @@ impl OpenCADStudio {
         if let Some(t) = self.dispatch_attdef(cmd, i) {
             return Some(t);
         }
+        if let Some(t) = self.dispatch_sheet_set(cmd, i) {
+            return Some(t);
+        }
         if let Some(t) = self.dispatch_field(cmd, i) {
             return Some(t);
         }
@@ -854,6 +858,15 @@ inventory::submit!(crate::command::CommandRegistration {
         "CREATESKETCH",
         "FINISHSKETCH",
         "SHEETSET",
+        "SHEETSETHIDE",
+        "NEWSHEETSET",
+        "OPENSHEETSET",
+        "SSMAUTOOPEN",
+        "SSLOCATE",
+        "SSMPOLLTIME",
+        "SSMSHEETSTATUS",
+        "SSMSTATE",
+        "SSFOUND",
         "SHORTCUTS",
         "SSM",
         "STEPOUT",