This closes qax-os#1968, closes qax-os#1969

- Fix missing conditional formatting after remove column
- Fix the SetSheetVisible function panic on none views sheet
- Updated unit tests

adjust.go

@@ -259,12 +259,12 @@ func (f *File) adjustCellRef(cellRef string, dir adjustDirection, num, offset in
 			return "", err
 		}
 		if dir == columns {
-			if offset < 0 && coordinates[0] == coordinates[2] {
+			if offset < 0 && coordinates[0] == coordinates[2] && num == coordinates[0] {
 				continue
 			}
 			coordinates = applyOffset(coordinates, 0, 2, MaxColumns)
 		} else {
-			if offset < 0 && coordinates[1] == coordinates[3] {
+			if offset < 0 && coordinates[1] == coordinates[3] && num == coordinates[1] {
 				continue
 			}
 			coordinates = applyOffset(coordinates, 1, 3, TotalRows)

adjust_test.go

@@ -1020,6 +1020,57 @@ func TestAdjustConditionalFormats(t *testing.T) {
 
 	ws.(*xlsxWorksheet).ConditionalFormatting[0] = nil
 	assert.NoError(t, f.RemoveCol("Sheet1", "B"))
+
+	t.Run("for_remove_conditional_formats_column", func(t *testing.T) {
+		f := NewFile()
+		format := []ConditionalFormatOptions{{
+			Type:     "data_bar",
+			Criteria: "=",
+			MinType:  "min",
+			MaxType:  "max",
+			BarColor: "#638EC6",
+		}}
+		assert.NoError(t, f.SetConditionalFormat("Sheet1", "D2:D3", format))
+		assert.NoError(t, f.SetConditionalFormat("Sheet1", "D5", format))
+		assert.NoError(t, f.RemoveCol("Sheet1", "D"))
+		opts, err := f.GetConditionalFormats("Sheet1")
+		assert.NoError(t, err)
+		assert.Len(t, opts, 0)
+	})
+	t.Run("for_remove_conditional_formats_row", func(t *testing.T) {
+		f := NewFile()
+		format := []ConditionalFormatOptions{{
+			Type:     "data_bar",
+			Criteria: "=",
+			MinType:  "min",
+			MaxType:  "max",
+			BarColor: "#638EC6",
+		}}
+		assert.NoError(t, f.SetConditionalFormat("Sheet1", "D2:E2", format))
+		assert.NoError(t, f.SetConditionalFormat("Sheet1", "F2", format))
+		assert.NoError(t, f.RemoveRow("Sheet1", 2))
+		opts, err := f.GetConditionalFormats("Sheet1")
+		assert.NoError(t, err)
+		assert.Len(t, opts, 0)
+	})
+	t.Run("for_adjust_conditional_formats_row", func(t *testing.T) {
+		f := NewFile()
+		format := []ConditionalFormatOptions{{
+			Type:     "data_bar",
+			Criteria: "=",
+			MinType:  "min",
+			MaxType:  "max",
+			BarColor: "#638EC6",
+		}}
+		assert.NoError(t, f.SetConditionalFormat("Sheet1", "D2:D3", format))
+		assert.NoError(t, f.SetConditionalFormat("Sheet1", "D5", format))
+		assert.NoError(t, f.RemoveRow("Sheet1", 1))
+		opts, err := f.GetConditionalFormats("Sheet1")
+		assert.NoError(t, err)
+		assert.Len(t, opts, 2)
+		assert.Equal(t, format, opts["D1:D2"])
+		assert.Equal(t, format, opts["D4:D4"])
+	})
 }
 
 func TestAdjustDataValidations(t *testing.T) {

sheet.go

@@ -773,6 +773,11 @@ func (f *File) SetSheetVisible(sheet string, visible bool, veryHidden ...bool) e
 			return err
 		}
 		tabSelected := false
+		if ws.SheetViews == nil {
+			ws.SheetViews = &xlsxSheetViews{
+				SheetView: []xlsxSheetView{{WorkbookViewID: 0}},
+			}
+		}
 		if len(ws.SheetViews.SheetView) > 0 {
 			tabSelected = ws.SheetViews.SheetView[0].TabSelected
 		}

sheet_test.go

@@ -570,6 +570,18 @@ func TestSetSheetVisible(t *testing.T) {
 	f.WorkBook = nil
 	f.Pkg.Store(defaultXMLPathWorkbook, MacintoshCyrillicCharset)
 	assert.EqualError(t, f.SetSheetVisible("Sheet1", false), "XML syntax error on line 1: invalid UTF-8")
+
+	// Test set sheet visible with empty sheet views
+	f = NewFile()
+	_, err := f.NewSheet("Sheet2")
+	assert.NoError(t, err)
+	ws, ok := f.Sheet.Load("xl/worksheets/sheet2.xml")
+	assert.True(t, ok)
+	ws.(*xlsxWorksheet).SheetViews = nil
+	assert.NoError(t, f.SetSheetVisible("Sheet2", false))
+	visible, err := f.GetSheetVisible("Sheet2")
+	assert.NoError(t, err)
+	assert.False(t, visible)
 }
 
 func TestGetSheetVisible(t *testing.T) {