Remove/Rename default sheet, also add color helper

example/excel_border.dart

@@ -13,7 +13,7 @@ void main(List<String> args) {
       CellIndex.indexByColumnRow(columnIndex: 5, rowIndex: 10));
 
   Border border = Border(
-    borderColorHex: "#FF000000",
+    borderColorHex: "#FF000000".excelColor,
     borderStyle: BorderStyle.Thin,
   );
 

example/excel_save.dart

@@ -0,0 +1,72 @@
+import 'dart:io';
+
+import 'package:excel/excel.dart';
+
+void main() {
+  final excel = Excel.createExcel();
+
+  const defaultSheetName = 'Sheet1';
+  const testSheetToKeep = 'Sheet To Keep';
+  const testSheetToKeepRename = 'Rename Of Sheet To Keep';
+
+  var listDynamic = (List<List<dynamic>>.generate(
+      5, (_) => List<int>.generate(5, (i) => i + 1))
+    ..insert(0, [
+      'A',
+      'B',
+      'C',
+      'D',
+      'E',
+    ]));
+
+  for (var row = 0; row < listDynamic.length; row++) {
+    for (var column = 0; column < listDynamic[row].length; column++) {
+      final cellIndex = CellIndex.indexByColumnRow(
+        columnIndex: column,
+        rowIndex: row,
+      );
+      var colorList = List.of(ExcelColor.values);
+      final border = Border(
+          borderColorHex: (colorList..shuffle()).first,
+          borderStyle: BorderStyle.Thin);
+
+      final string = listDynamic[row][column].toString();
+
+      var cellValue = int.tryParse(string) != null
+          ? IntCellValue(int.parse(string))
+          : TextCellValue(string);
+
+      excel.updateCell(
+        testSheetToKeep,
+        cellIndex,
+        cellValue,
+        cellStyle: CellStyle()
+          ..backgroundColor = (colorList..shuffle()).first
+          ..topBorder = border
+          ..bottomBorder = border
+          ..leftBorder = border
+          ..rightBorder = border
+          ..fontColor = (colorList..shuffle()).first
+          ..fontFamily = 'Arial',
+      );
+    }
+  }
+
+  ///
+  assert(excel.sheets.keys.contains(defaultSheetName));
+  assert(excel.getDefaultSheet() == defaultSheetName);
+  excel.delete(excel.getDefaultSheet()!);
+  assert(!excel.sheets.keys.contains(defaultSheetName));
+
+  ///
+  excel.rename(testSheetToKeep, testSheetToKeepRename);
+  excel.setDefaultSheet(testSheetToKeepRename);
+  assert(excel.getDefaultSheet() == testSheetToKeepRename);
+
+  final bytes = excel.encode();
+  if (bytes != null) {
+    File('example/example.xlsx')
+      ..createSync()
+      ..writeAsBytesSync(bytes);
+  }
+}

lib/excel.dart

@@ -26,6 +26,8 @@ part 'src/utilities/fast_list.dart';
 part 'src/utilities/utility.dart';
 part 'src/utilities/constants.dart';
 part 'src/utilities/enum.dart';
+part 'src/utilities/archive.dart';
+part 'src/utilities/colors.dart';
 
 /// Save
 part 'src/save/save_file.dart';

lib/src/excel.dart

@@ -274,18 +274,26 @@ class Excel {
             _sheetName.getAttribute('PartName') == '/' + sheetId2;
       });
 
-      ///
-      /// Remove from the `_archive` also
-      _archive.files.removeWhere((file) {
-        return file.name.toLowerCase() == _xmlSheetId[sheet]?.toLowerCase();
-      });
-
       ///
       /// Also remove from the _xmlFiles list as we might want to create this sheet again from new starting.
       if (_xmlFiles[_xmlSheetId[sheet]] != null) {
         _xmlFiles.remove(_xmlSheetId[sheet]);
       }
 
+      ///
+      /// Maybe overkill and unsafe to do this, but works for now especially
+      /// delete or renaming default sheet name (`Sheet1`),
+      /// another safer method preferred
+      _archive = _cloneArchive(
+        _archive,
+        _xmlFiles.map((k, v) {
+          final encode = utf8.encode(v.toString());
+          final value = ArchiveFile(k, encode.length, encode);
+          return MapEntry(k, value);
+        }),
+        excludedFile: _xmlSheetId[sheet],
+      );
+
       _xmlSheetId.remove(sheet);
     }
 

lib/src/parser/parse.dart

@@ -276,8 +276,9 @@ class Parser {
             borderColorHex = color?.getAttribute('rgb')?.trim();
           } on StateError catch (_) {}
 
-          borderElements[elementName] =
-              Border(borderStyle: borderStyle, borderColorHex: borderColorHex);
+          borderElements[elementName] = Border(
+              borderStyle: borderStyle,
+              borderColorHex: borderColorHex?.excelColor);
         }
 
         final borderSet = _BorderSet(
@@ -311,7 +312,8 @@ class Parser {
           final numFmtId = _getFontIndex(node, 'numFmtId');
           _excel._numFmtIds.add(numFmtId);
 
-          String fontColor = "FF000000", backgroundColor = "none";
+          String fontColor = ExcelColor.black.colorHex,
+              backgroundColor = ExcelColor.none.colorHex;
           String? fontFamily;
           FontScheme fontScheme = FontScheme.Unset;
           _BorderSet? borderSet;
@@ -384,7 +386,7 @@ class Parser {
             _fontStyle.fontSize = fontSize;
             _fontStyle.fontFamily = fontFamily;
             _fontStyle.fontScheme = fontScheme;
-            _fontStyle._fontColorHex = fontColor;
+            _fontStyle._fontColorHex = fontColor.excelColor;
           }
 
           /// If `-1` is returned then it indicates that `_fontStyle` is not present in the `_fontStyleList`
@@ -437,18 +439,21 @@ class Parser {
 
           var numFormat = _excel._numFormats.getByNumFmtId(numFmtId);
           if (numFormat == null) {
-            assert(false, 'missing numFmt for ${numFmtId}');
+            assert(false, 'missing numFmt for $numFmtId');
             numFormat = NumFormat.standard_0;
           }
 
           CellStyle cellStyle = CellStyle(
-            fontColorHex: fontColor,
+            fontColorHex: fontColor.excelColor,
             fontFamily: fontFamily,
             fontSize: fontSize,
             bold: isBold,
             italic: isItalic,
             underline: underline,
-            backgroundColorHex: backgroundColor,
+            backgroundColorHex:
+                backgroundColor == 'none' || backgroundColor.isEmpty
+                    ? ExcelColor.none
+                    : backgroundColor.excelColor,
             horizontalAlign: horizontalAlign,
             verticalAlign: verticalAlign,
             textWrapping: textWrapping,
@@ -719,7 +724,7 @@ class Parser {
         .add(XmlElement(XmlName('Relationship'), <XmlAttribute>[
           XmlAttribute(XmlName('Id'), 'rId$ridNumber'),
           XmlAttribute(XmlName('Type'), '$_relationships/worksheet'),
-          XmlAttribute(XmlName('Target'), 'worksheets/sheet${sheetNumber}.xml'),
+          XmlAttribute(XmlName('Target'), 'worksheets/sheet$sheetNumber.xml'),
         ]));
 
     if (!_rId.contains('rId$ridNumber')) {
@@ -735,25 +740,25 @@ class Parser {
           <XmlAttribute>[
             XmlAttribute(XmlName('state'), 'visible'),
             XmlAttribute(XmlName('name'), newSheet),
-            XmlAttribute(XmlName('sheetId'), '${sheetNumber}'),
+            XmlAttribute(XmlName('sheetId'), '$sheetNumber'),
             XmlAttribute(XmlName('r:id'), 'rId$ridNumber')
           ],
         ));
 
-    _worksheetTargets['rId$ridNumber'] = 'worksheets/sheet${sheetNumber}.xml';
+    _worksheetTargets['rId$ridNumber'] = 'worksheets/sheet$sheetNumber.xml';
 
     var content = utf8.encode(
         "<worksheet xmlns=\"http://schemas.openxmlformats.org/spreadsheetml/2006/main\" xmlns:r=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships\" xmlns:mc=\"http://schemas.openxmlformats.org/markup-compatibility/2006\" mc:Ignorable=\"x14ac xr xr2 xr3\" xmlns:x14ac=\"http://schemas.microsoft.com/office/spreadsheetml/2009/9/ac\" xmlns:xr=\"http://schemas.microsoft.com/office/spreadsheetml/2014/revision\" xmlns:xr2=\"http://schemas.microsoft.com/office/spreadsheetml/2015/revision2\" xmlns:xr3=\"http://schemas.microsoft.com/office/spreadsheetml/2016/revision3\"> <dimension ref=\"A1\"/> <sheetViews> <sheetView workbookViewId=\"0\"/> </sheetViews> <sheetData/> <pageMargins left=\"0.7\" right=\"0.7\" top=\"0.75\" bottom=\"0.75\" header=\"0.3\" footer=\"0.3\"/> </worksheet>");
 
     _excel._archive.addFile(ArchiveFile(
-        'xl/worksheets/sheet${sheetNumber}.xml', content.length, content));
+        'xl/worksheets/sheet$sheetNumber.xml', content.length, content));
     var _newSheet =
-        _excel._archive.findFile('xl/worksheets/sheet${sheetNumber}.xml');
+        _excel._archive.findFile('xl/worksheets/sheet$sheetNumber.xml');
 
     _newSheet!.decompress();
     var document = XmlDocument.parse(utf8.decode(_newSheet.content));
-    _excel._xmlFiles['xl/worksheets/sheet${sheetNumber}.xml'] = document;
-    _excel._xmlSheetId[newSheet] = 'xl/worksheets/sheet${sheetNumber}.xml';
+    _excel._xmlFiles['xl/worksheets/sheet$sheetNumber.xml'] = document;
+    _excel._xmlSheetId[newSheet] = 'xl/worksheets/sheet$sheetNumber.xml';
 
     _excel._xmlFiles['[Content_Types].xml']
         ?.findAllElements('Types')
@@ -765,7 +770,7 @@ class Parser {
             XmlAttribute(XmlName('ContentType'),
                 'application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml'),
             XmlAttribute(
-                XmlName('PartName'), '/xl/worksheets/sheet${sheetNumber}.xml'),
+                XmlName('PartName'), '/xl/worksheets/sheet$sheetNumber.xml'),
           ],
         ));
     if (_excel._xmlFiles['xl/workbook.xml'] != null) {

lib/src/save/save_file.dart

@@ -33,25 +33,6 @@ class Save {
     return ((maxNumOfCharacters * 7.0 + 9.0) / 7.0 * 256).truncate() / 256;
   }
 
-  Archive _cloneArchive(Archive archive) {
-    var clone = Archive();
-    archive.files.forEach((file) {
-      if (file.isFile) {
-        ArchiveFile copy;
-        if (_archiveFiles.containsKey(file.name)) {
-          copy = _archiveFiles[file.name]!;
-        } else {
-          var content = file.content as Uint8List;
-          var compress = !_noCompression.contains(file.name);
-          copy = ArchiveFile(file.name, content.length, content)
-            ..compress = compress;
-        }
-        clone.addFile(copy);
-      }
-    });
-    return clone;
-  }
-
   /*   XmlElement _replaceCell(String sheet, XmlElement row, XmlElement lastCell,
       int columnIndex, int rowIndex, CellValue? value) {
     var index = lastCell == null ? 0 : row.children.indexOf(lastCell);
@@ -122,7 +103,7 @@ class Save {
         final String v = switch (numberFormat) {
           NumericNumFormat() => numberFormat.writeInt(value),
           _ => throw Exception(
-              '${numberFormat} does not work for ${value.runtimeType}'),
+              '$numberFormat does not work for ${value.runtimeType}'),
         };
         children = [
           XmlElement(XmlName('v'), [], [XmlText(v)]),
@@ -131,7 +112,7 @@ class Save {
         final String v = switch (numberFormat) {
           NumericNumFormat() => numberFormat.writeDouble(value),
           _ => throw Exception(
-              '${numberFormat} does not work for ${value.runtimeType}'),
+              '$numberFormat does not work for ${value.runtimeType}'),
         };
         children = [
           XmlElement(XmlName('v'), [], [XmlText(v)]),
@@ -140,7 +121,7 @@ class Save {
         final String v = switch (numberFormat) {
           DateTimeNumFormat() => numberFormat.writeDateTime(value),
           _ => throw Exception(
-              '${numberFormat} does not work for ${value.runtimeType}'),
+              '$numberFormat does not work for ${value.runtimeType}'),
         };
         children = [
           XmlElement(XmlName('v'), [], [XmlText(v)]),
@@ -149,7 +130,7 @@ class Save {
         final String v = switch (numberFormat) {
           DateTimeNumFormat() => numberFormat.writeDate(value),
           _ => throw Exception(
-              '${numberFormat} does not work for ${value.runtimeType}'),
+              '$numberFormat does not work for ${value.runtimeType}'),
         };
         children = [
           XmlElement(XmlName('v'), [], [XmlText(v)]),
@@ -158,7 +139,7 @@ class Save {
         final String v = switch (numberFormat) {
           TimeNumFormat() => numberFormat.writeTime(value),
           _ => throw Exception(
-              '${numberFormat} does not work for ${value.runtimeType}'),
+              '$numberFormat does not work for ${value.runtimeType}'),
         };
         children = [
           XmlElement(XmlName('v'), [], [XmlText(v)]),
@@ -226,7 +207,7 @@ class Save {
       }
 
       /// Filling the inner usable extra list of background color
-      String backgroundColor = cellStyle.backgroundColor;
+      String backgroundColor = cellStyle.backgroundColor.colorHex;
       if (!_excel._patternFill.contains(backgroundColor) &&
           !innerPatternFill.contains(backgroundColor)) {
         innerPatternFill.add(backgroundColor);
@@ -255,11 +236,11 @@ class Save {
       fonts.children.add(XmlElement(XmlName('font'), [], [
         /// putting color
         if (fontStyleElement._fontColorHex != null &&
-            fontStyleElement._fontColorHex != "FF000000")
-          XmlElement(
-              XmlName('color'),
-              [XmlAttribute(XmlName('rgb'), fontStyleElement._fontColorHex!)],
-              []),
+            fontStyleElement._fontColorHex!.colorHex != "FF000000")
+          XmlElement(XmlName('color'), [
+            XmlAttribute(
+                XmlName('rgb'), fontStyleElement._fontColorHex!.colorHex)
+          ], []),
 
         /// putting bold
         if (fontStyleElement.isBold) XmlElement(XmlName('b'), [], []),
@@ -410,7 +391,7 @@ class Save {
     }
 
     _innerCellStyle.forEach((cellStyle) {
-      String backgroundColor = cellStyle.backgroundColor;
+      String backgroundColor = cellStyle.backgroundColor.colorHex;
 
       _FontStyle _fs = _FontStyle(
           bold: cellStyle.isBold,
@@ -572,7 +553,7 @@ class Save {
       var content = utf8.encode(xml);
       _archiveFiles[xmlFile] = ArchiveFile(xmlFile, content.length, content);
     }
-    return ZipEncoder().encode(_cloneArchive(_excel._archive));
+    return ZipEncoder().encode(_cloneArchive(_excel._archive, _archiveFiles));
   }
 
   void _setColumns(Sheet sheetObject, XmlDocument xmlFile) {

lib/src/sheet/border_style.dart

@@ -4,10 +4,11 @@ class Border extends Equatable {
   late final BorderStyle? borderStyle;
   late final String? borderColorHex;
 
-  Border({BorderStyle? borderStyle, String? borderColorHex}) {
+  Border({BorderStyle? borderStyle, ExcelColor? borderColorHex}) {
     this.borderStyle = borderStyle == BorderStyle.None ? null : borderStyle;
-    this.borderColorHex =
-        borderColorHex != null ? _isColorAppropriate(borderColorHex) : null;
+    this.borderColorHex = borderColorHex != null
+        ? _isColorAppropriate(borderColorHex.colorHex)
+        : null;
   }
 
   @override