This closes #1293, add new function `GetColStyle`

- Fix generate workbook corruption after insert cols/rows in some case
- Update unit tests
- Update dependencies module

adjust.go

@@ -74,13 +74,18 @@ func (f *File) adjustHelper(sheet string, dir adjustDirection, num, offset int)
 // inserting or deleting rows or columns.
 func (f *File) adjustColDimensions(ws *xlsxWorksheet, col, offset int) error {
 	for rowIdx := range ws.SheetData.Row {
-		for colIdx, v := range ws.SheetData.Row[rowIdx].C {
-			cellCol, cellRow, _ := CellNameToCoordinates(v.R)
-			if col <= cellCol {
-				if newCol := cellCol + offset; newCol > 0 {
-					if newCol > MaxColumns {
+		for _, v := range ws.SheetData.Row[rowIdx].C {
+			if cellCol, _, _ := CellNameToCoordinates(v.R); col <= cellCol {
+				if newCol := cellCol + offset; newCol > 0 && newCol > MaxColumns {
 					return ErrColumnNumber
 				}
+			}
+		}
+	}
+	for rowIdx := range ws.SheetData.Row {
+		for colIdx, v := range ws.SheetData.Row[rowIdx].C {
+			if cellCol, cellRow, _ := CellNameToCoordinates(v.R); col <= cellCol {
+				if newCol := cellCol + offset; newCol > 0 {
 					ws.SheetData.Row[rowIdx].C[colIdx].R, _ = CoordinatesToCellName(newCol, cellRow)
 				}
 			}
@@ -92,12 +97,17 @@ func (f *File) adjustColDimensions(ws *xlsxWorksheet, col, offset int) error {
 // adjustRowDimensions provides a function to update row dimensions when
 // inserting or deleting rows or columns.
 func (f *File) adjustRowDimensions(ws *xlsxWorksheet, row, offset int) error {
-	for i := range ws.SheetData.Row {
-		r := &ws.SheetData.Row[i]
-		if newRow := r.R + offset; r.R >= row && newRow > 0 {
-			if newRow >= TotalRows {
+	totalRows := len(ws.SheetData.Row)
+	if totalRows == 0 {
+		return nil
+	}
+	lastRow := &ws.SheetData.Row[totalRows-1]
+	if newRow := lastRow.R + offset; lastRow.R >= row && newRow > 0 && newRow >= TotalRows {
 		return ErrMaxRows
 	}
+	for i := 0; i < len(ws.SheetData.Row); i++ {
+		r := &ws.SheetData.Row[i]
+		if newRow := r.R + offset; r.R >= row && newRow > 0 {
 			f.adjustSingleRowDimensions(r, newRow)
 		}
 	}

col.go

@@ -638,6 +638,30 @@ func (f *File) getColWidth(sheet string, col int) int {
 	return int(defaultColWidthPixels)
 }
 
+// GetColStyle provides a function to get column style ID by given worksheet
+// name and column name.
+func (f *File) GetColStyle(sheet, col string) (int, error) {
+	var styleID int
+	colNum, err := ColumnNameToNumber(col)
+	if err != nil {
+		return styleID, err
+	}
+	ws, err := f.workSheetReader(sheet)
+	if err != nil {
+		return styleID, err
+	}
+	ws.Lock()
+	defer ws.Unlock()
+	if ws.Cols != nil {
+		for _, v := range ws.Cols.Col {
+			if v.Min <= colNum && colNum <= v.Max {
+				styleID = v.Style
+			}
+		}
+	}
+	return styleID, err
+}
+
 // GetColWidth provides a function to get column width by given worksheet name
 // and column name.
 func (f *File) GetColWidth(sheet, col string) (float64, error) {
@@ -649,6 +673,8 @@ func (f *File) GetColWidth(sheet, col string) (float64, error) {
 	if err != nil {
 		return defaultColWidth, err
 	}
+	ws.Lock()
+	defer ws.Unlock()
 	if ws.Cols != nil {
 		var width float64
 		for _, v := range ws.Cols.Col {

col_test.go

@@ -293,7 +293,7 @@ func TestSetColStyle(t *testing.T) {
 	assert.NoError(t, err)
 	// Test set column style on not exists worksheet.
 	assert.EqualError(t, f.SetColStyle("SheetN", "E", styleID), "sheet SheetN does not exist")
-	// Test set column style with illegal cell coordinates.
+	// Test set column style with illegal column name.
 	assert.EqualError(t, f.SetColStyle("Sheet1", "*", styleID), newInvalidColumnNameError("*").Error())
 	assert.EqualError(t, f.SetColStyle("Sheet1", "A:*", styleID), newInvalidColumnNameError("*").Error())
 	// Test set column style with invalid style ID.
@@ -302,6 +302,10 @@ func TestSetColStyle(t *testing.T) {
 	assert.EqualError(t, f.SetColStyle("Sheet1", "B", 10), newInvalidStyleID(10).Error())
 
 	assert.NoError(t, f.SetColStyle("Sheet1", "B", styleID))
+	style, err := f.GetColStyle("Sheet1", "B")
+	assert.NoError(t, err)
+	assert.Equal(t, styleID, style)
+
 	// Test set column style with already exists column with style.
 	assert.NoError(t, f.SetColStyle("Sheet1", "B", styleID))
 	assert.NoError(t, f.SetColStyle("Sheet1", "D:C", styleID))
@@ -343,6 +347,20 @@ func TestColWidth(t *testing.T) {
 	convertRowHeightToPixels(0)
 }
 
+func TestGetColStyle(t *testing.T) {
+	f := NewFile()
+	styleID, err := f.GetColStyle("Sheet1", "A")
+	assert.NoError(t, err)
+	assert.Equal(t, styleID, 0)
+
+	// Test set column style on not exists worksheet.
+	_, err = f.GetColStyle("SheetN", "A")
+	assert.EqualError(t, err, "sheet SheetN does not exist")
+	// Test set column style with illegal column name.
+	_, err = f.GetColStyle("Sheet1", "*")
+	assert.EqualError(t, err, newInvalidColumnNameError("*").Error())
+}
+
 func TestInsertCols(t *testing.T) {
 	f := NewFile()
 	sheet1 := f.GetSheetName(0)

go.mod

@@ -10,9 +10,9 @@ require (
 	github.com/stretchr/testify v1.7.1
 	github.com/xuri/efp v0.0.0-20220603152613-6918739fd470
 	github.com/xuri/nfp v0.0.0-20220409054826-5e722a1d9e22
-	golang.org/x/crypto v0.0.0-20220817201139-bc19a97f63c8
+	golang.org/x/crypto v0.0.0-20220829220503-c86fa9a7ed90
 	golang.org/x/image v0.0.0-20220413100746-70e8d0d3baa9
-	golang.org/x/net v0.0.0-20220812174116-3211cb980234
+	golang.org/x/net v0.0.0-20220826154423-83b083e8dc8b
 	golang.org/x/text v0.3.7
 	gopkg.in/yaml.v3 v3.0.0 // indirect
 )

go.sum

@@ -17,13 +17,13 @@ github.com/xuri/efp v0.0.0-20220603152613-6918739fd470 h1:6932x8ltq1w4utjmfMPVj0
 github.com/xuri/efp v0.0.0-20220603152613-6918739fd470/go.mod h1:ybY/Jr0T0GTCnYjKqmdwxyxn2BQf2RcQIIvex5QldPI=
 github.com/xuri/nfp v0.0.0-20220409054826-5e722a1d9e22 h1:OAmKAfT06//esDdpi/DZ8Qsdt4+M5+ltca05dA5bG2M=
 github.com/xuri/nfp v0.0.0-20220409054826-5e722a1d9e22/go.mod h1:WwHg+CVyzlv/TX9xqBFXEZAuxOPxn2k1GNHwG41IIUQ=
-golang.org/x/crypto v0.0.0-20220817201139-bc19a97f63c8 h1:GIAS/yBem/gq2MUqgNIzUHW7cJMmx3TGZOrnyYaNQ6c=
-golang.org/x/crypto v0.0.0-20220817201139-bc19a97f63c8/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
+golang.org/x/crypto v0.0.0-20220829220503-c86fa9a7ed90 h1:Y/gsMcFOcR+6S6f3YeMKl5g+dZMEWqcz5Czj/GWYbkM=
+golang.org/x/crypto v0.0.0-20220829220503-c86fa9a7ed90/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/image v0.0.0-20220413100746-70e8d0d3baa9 h1:LRtI4W37N+KFebI/qV0OFiLUv4GLOWeEW5hn/KEJvxE=
 golang.org/x/image v0.0.0-20220413100746-70e8d0d3baa9/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.0.0-20220812174116-3211cb980234 h1:RDqmgfe7SvlMWoqC3xwQ2blLO3fcWcxMa3eBLRdRW7E=
-golang.org/x/net v0.0.0-20220812174116-3211cb980234/go.mod h1:YDH+HFinaLZZlnHAfSS6ZXJJ9M9t4Dl22yv3iI2vPwk=
+golang.org/x/net v0.0.0-20220826154423-83b083e8dc8b h1:ZmngSVLe/wycRns9MKikG9OWIEjGcGAkacif7oYQaUY=
+golang.org/x/net v0.0.0-20220826154423-83b083e8dc8b/go.mod h1:YDH+HFinaLZZlnHAfSS6ZXJJ9M9t4Dl22yv3iI2vPwk=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=