FIX: Export views and showGridLines properly (#72)

xlsx/src/export/mod.rs

@@ -68,6 +68,10 @@ pub fn save_to_xlsx(model: &Model, file_name: &str) -> Result<(), XlsxError> {
 
 pub fn save_xlsx_to_writer<W: Write + Seek>(model: &Model, writer: W) -> Result<W, XlsxError> {
     let workbook = &model.workbook;
+    let selected_sheet = match workbook.views.get(&0) {
+        Some(view) => view.sheet,
+        _ => 0,
+    };
     let mut zip = zip::ZipWriter::new(writer);
 
     let options = zip::write::FileOptions::default();
@@ -94,7 +98,7 @@ pub fn save_xlsx_to_writer<W: Write + Seek>(model: &Model, writer: W) -> Result<
     zip.start_file("xl/styles.xml", options)?;
     zip.write_all(styles::get_styles_xml(workbook).as_bytes())?;
     zip.start_file("xl/workbook.xml", options)?;
-    zip.write_all(workbook::get_workbook_xml(workbook).as_bytes())?;
+    zip.write_all(workbook::get_workbook_xml(workbook, selected_sheet).as_bytes())?;
 
     zip.add_directory("xl/_rels", options)?;
     zip.start_file("xl/_rels/workbook.xml.rels", options)?;
@@ -114,11 +118,13 @@ pub fn save_xlsx_to_writer<W: Write + Seek>(model: &Model, writer: W) -> Result<
         let min_row = dimension.min_row;
         let max_row = dimension.max_row;
         let sheet_dimension_str = &format!("{column_min_str}{min_row}:{column_max_str}{max_row}");
+        let is_sheet_selected = selected_sheet as usize == sheet_index;
         zip.write_all(
             worksheets::get_worksheet_xml(
                 worksheet,
                 &model.parsed_formulas[sheet_index],
                 sheet_dimension_str,
+                is_sheet_selected,
             )
             .as_bytes(),
         )?;

xlsx/src/export/workbook.rs

@@ -34,7 +34,7 @@ use ironcalc_base::types::{SheetState, Workbook};
 use super::escape::escape_xml;
 use super::xml_constants::XML_DECLARATION;
 
-pub(crate) fn get_workbook_xml(workbook: &Workbook) -> String {
+pub(crate) fn get_workbook_xml(workbook: &Workbook, selected_sheet: u32) -> String {
     // sheets
     // <sheet name="Sheet1" sheetId="1" r:id="rId1"/>
     let mut sheets_str: Vec<String> = vec![];
@@ -80,6 +80,9 @@ pub(crate) fn get_workbook_xml(workbook: &Workbook) -> String {
     let defined_names = defined_names_str.join("");
     format!("{XML_DECLARATION}\n\
     <workbook xmlns=\"http://schemas.openxmlformats.org/spreadsheetml/2006/main\" xmlns:r=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships\">\
+    <bookViews>
+    <workbookView activeTab=\"{selected_sheet}\"/>\
+    </bookViews>
       <sheets>\
         {sheets}\
       </sheets>\

xlsx/src/export/worksheets.rs

@@ -55,6 +55,7 @@ pub(crate) fn get_worksheet_xml(
     worksheet: &Worksheet,
     parsed_formulas: &[Node],
     dimension: &str,
+    is_sheet_selected: bool,
 ) -> String {
     let mut sheet_data_str: Vec<String> = vec![];
     let mut cols_str: Vec<String> = vec![];
@@ -247,6 +248,38 @@ pub(crate) fn get_worksheet_xml(
         format!("<cols>{cols}</cols>")
     };
 
+    let tab_selected = if is_sheet_selected {
+        " tabSelected=\"1\""
+    } else {
+        ""
+    };
+
+    let show_grid_lines = if !worksheet.show_grid_lines {
+        " showGridLines=\"0\""
+    } else {
+        ""
+    };
+
+    let mut active_cell = "A1".to_string();
+    let mut sqref = "A1".to_string();
+
+    let views = &worksheet.views;
+    if let Some(view) = views.get(&0) {
+        let range = view.range;
+        let row = view.row;
+        let column = view.column;
+        let column_name = number_to_column(column).unwrap_or("A".to_string());
+        active_cell = format!("{column_name}{row}");
+
+        let column_start = number_to_column(range[1]).unwrap_or("A".to_string());
+        let column_end = number_to_column(range[3]).unwrap_or("A".to_string());
+        if range[0] == range[2] && range[1] == range[3] {
+            sqref = format!("{column_start}{}", range[0]);
+        } else {
+            sqref = format!("{}{}:{}{}", column_start, range[0], column_end, range[2]);
+        }
+    }
+
     format!(
         "{XML_DECLARATION}
 <worksheet \
@@ -254,8 +287,8 @@ xmlns=\"http://schemas.openxmlformats.org/spreadsheetml/2006/main\" \
 xmlns:r=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships\">\
   <dimension ref=\"{dimension}\"/>\
   <sheetViews>\
-    <sheetView workbookViewId=\"0\">\
-        <selection activeCell=\"A1\" sqref=\"A1\"/>\
+    <sheetView workbookViewId=\"0\"{show_grid_lines}{tab_selected}>\
+        <selection activeCell=\"{active_cell}\" sqref=\"{sqref}\"/>\
     </sheetView>\
   </sheetViews>\
   {cols}\

xlsx/tests/test.rs

@@ -51,22 +51,47 @@ fn test_example() {
 #[test]
 fn no_grid() {
     let model = load_from_xlsx("tests/NoGrid.xlsx", "en", "UTC").unwrap();
-    let workbook = model.workbook;
-    let ws = &workbook.worksheets;
+    {
+        let workbook = &model.workbook;
+        let ws = &workbook.worksheets;
 
-    // NoGrid does not show grid lines
-    let no_grid_sheet = &ws[0];
-    assert_eq!(no_grid_sheet.name, "NoGrid".to_string());
-    assert!(!no_grid_sheet.show_grid_lines);
+        // NoGrid does not show grid lines
+        let no_grid_sheet = &ws[0];
+        assert_eq!(no_grid_sheet.name, "NoGrid".to_string());
+        assert!(!no_grid_sheet.show_grid_lines);
 
-    let sheet2 = &ws[1];
-    assert_eq!(no_grid_sheet.name, "NoGrid".to_string());
-    assert!(sheet2.show_grid_lines);
+        let sheet2 = &ws[1];
+        assert_eq!(no_grid_sheet.name, "NoGrid".to_string());
+        assert!(sheet2.show_grid_lines);
 
-    let no_grid_no_headers_sheet = &ws[2];
-    assert_eq!(no_grid_sheet.name, "NoGrid".to_string());
-    // There is also no headers
-    assert!(!no_grid_no_headers_sheet.show_grid_lines);
+        let no_grid_no_headers_sheet = &ws[2];
+        assert_eq!(no_grid_sheet.name, "NoGrid".to_string());
+        // There is also no headers
+        assert!(!no_grid_no_headers_sheet.show_grid_lines);
+    }
+    {
+        // save it and check again
+        let temp_file_name = "temp_file_no_grid.xlsx";
+        save_to_xlsx(&model, temp_file_name).unwrap();
+        let model = load_from_xlsx(temp_file_name, "en", "UTC").unwrap();
+        let workbook = &model.workbook;
+        let ws = &workbook.worksheets;
+
+        // NoGrid does not show grid lines
+        let no_grid_sheet = &ws[0];
+        assert_eq!(no_grid_sheet.name, "NoGrid".to_string());
+        assert!(!no_grid_sheet.show_grid_lines);
+
+        let sheet2 = &ws[1];
+        assert_eq!(no_grid_sheet.name, "NoGrid".to_string());
+        assert!(sheet2.show_grid_lines);
+
+        let no_grid_no_headers_sheet = &ws[2];
+        assert_eq!(no_grid_sheet.name, "NoGrid".to_string());
+        // There is also no headers
+        assert!(!no_grid_no_headers_sheet.show_grid_lines);
+        fs::remove_file(temp_file_name).unwrap();
+    }
 }
 
 #[test]
@@ -82,6 +107,20 @@ fn test_save_to_xlsx() {
     assert_eq!(metadata.application, "IronCalc Sheets");
     // FIXME: This will need to be updated once we fix versioning
     assert_eq!(metadata.app_version, "10.0000");
+
+    let workbook = model.workbook;
+    let ws = &workbook.worksheets;
+
+    assert_eq!(workbook.views[&0].sheet, 7);
+
+    // Test selection:
+    // First sheet (Sheet1)
+    // E13 and E13:N20
+    assert_eq!(ws[0].frozen_rows, 0);
+    assert_eq!(ws[0].frozen_columns, 0);
+    assert_eq!(ws[0].views[&0].row, 13);
+    assert_eq!(ws[0].views[&0].column, 5);
+    assert_eq!(ws[0].views[&0].range, [13, 5, 20, 14]);
     // TODO: can we show it is the 'same' model?
     fs::remove_file(temp_file_name).unwrap();
 }