diff options
Diffstat (limited to 'styles.go')
| -rw-r--r-- | styles.go | 176 |
1 files changed, 158 insertions, 18 deletions
@@ -7,27 +7,41 @@ import ( "strings" ) -// parseFormatBordersSet provides function to parse the format settings of the +// parseFormatStyleSet provides function to parse the format settings of the // borders. -func parseFormatBordersSet(bordersSet string) (*formatBorder, error) { - var format formatBorder - err := json.Unmarshal([]byte(bordersSet), &format) +func parseFormatStyleSet(style string) (*formatCellStyle, error) { + var format formatCellStyle + err := json.Unmarshal([]byte(style), &format) return &format, err } -// SetBorder provides function to get value from cell by given sheet index and -// coordinate area in XLSX file. Note that the color field uses RGB color code -// and diagonalDown and diagonalUp type border should be use same color in the -// same coordinate area. +// SetCellStyle provides function to get value from cell by given sheet index +// and coordinate area in XLSX file. Note that the color field uses RGB color +// code and diagonalDown and diagonalUp type border should be use same color in +// the same coordinate area. // -// For example create a borders of cell H9 on -// Sheet1: +// For example create a borders of cell H9 on Sheet1: // // err := xlsx.SetBorder("Sheet1", "H9", "H9", `{"border":[{"type":"left","color":"0000FF","style":3},{"type":"top","color":"00FF00","style":4},{"type":"bottom","color":"FFFF00","style":5},{"type":"right","color":"FF0000","style":6},{"type":"diagonalDown","color":"A020F0","style":7},{"type":"diagonalUp","color":"A020F0","style":8}]}`) // if err != nil { // fmt.Println(err) // } // +// Set gradient fill with vertical variants shading styles for cell H9 on +// Sheet1: +// +// err := xlsx.SetBorder("Sheet1", "H9", "H9", `{"fill":[{"type":"gradient","color":["#FFFFFF","#E0EBF5"],"shading":1}]}`) +// if err != nil { +// fmt.Println(err) +// } +// +// Set solid style pattern fill for cell H9 on Sheet1: +// +// err := xlsx.SetBorder("Sheet1", "H9", "H9", `{"fill":[{"type":"pattern","color":["#E0EBF5"],"pattern":1}]}`) +// if err != nil { +// fmt.Println(err) +// } +// // The following shows the border styles sorted by excelize index number: // // +-------+---------------+--------+-----------------+ @@ -82,15 +96,54 @@ func parseFormatBordersSet(bordersSet string) (*formatBorder, error) { // | 1 | ``-----------`` | 6 | ``===========`` | // +-------+-----------------+-------+-----------------+ // -func (f *File) SetBorder(sheet, hcell, vcell, style string) error { +// The following shows the shading styles sorted by excelize index number: +// +// +-------+-----------------+-------+-----------------+ +// | Index | Style | Index | Style | +// +=======+=================+=======+=================+ +// | 0 | Horizontal | 3 | Diagonal down | +// +-------+-----------------+-------+-----------------+ +// | 1 | Vertical | 4 | From corner | +// +-------+-----------------+-------+-----------------+ +// | 2 | Diagonal Up | 5 | From center | +// +-------+-----------------+-------+-----------------+ +// +// The following shows the patterns styles sorted by excelize index number: +// +// +-------+-----------------+-------+-----------------+ +// | Index | Style | Index | Style | +// +=======+=================+=======+=================+ +// | 0 | None | 10 | darkTrellis | +// +-------+-----------------+-------+-----------------+ +// | 1 | solid | 11 | lightHorizontal | +// +-------+-----------------+-------+-----------------+ +// | 2 | mediumGray | 12 | lightVertical | +// +-------+-----------------+-------+-----------------+ +// | 3 | darkGray | 13 | lightDown | +// +-------+-----------------+-------+-----------------+ +// | 4 | lightGray | 14 | lightUp | +// +-------+-----------------+-------+-----------------+ +// | 5 | darkHorizontal | 15 | lightGrid | +// +-------+-----------------+-------+-----------------+ +// | 6 | darkVertical | 16 | lightTrellis | +// +-------+-----------------+-------+-----------------+ +// | 7 | darkDown | 17 | gray125 | +// +-------+-----------------+-------+-----------------+ +// | 8 | darkUp | 18 | gray0625 | +// +-------+-----------------+-------+-----------------+ +// | 9 | darkGrid | | | +// +-------+-----------------+-------+-----------------+ +// +func (f *File) SetCellStyle(sheet, hcell, vcell, style string) error { var styleSheet xlsxStyleSheet xml.Unmarshal([]byte(f.readXML("xl/styles.xml")), &styleSheet) - formatBorder, err := parseFormatBordersSet(style) + formatCellStyle, err := parseFormatStyleSet(style) if err != nil { return err } - borderID := setBorders(&styleSheet, formatBorder) - cellXfsID := setCellXfs(&styleSheet, borderID) + borderID := setBorders(&styleSheet, formatCellStyle) + fillID := setFills(&styleSheet, formatCellStyle) + cellXfsID := setCellXfs(&styleSheet, fillID, borderID) output, err := xml.Marshal(styleSheet) if err != nil { return err @@ -100,9 +153,90 @@ func (f *File) SetBorder(sheet, hcell, vcell, style string) error { return err } +// setFills provides function to add fill elements in the styles.xml by given +// cell format settings. +func setFills(style *xlsxStyleSheet, formatCellStyle *formatCellStyle) int { + var patterns = []string{ + "none", + "solid", + "mediumGray", + "darkGray", + "lightGray", + "darkHorizontal", + "darkVertical", + "darkDown", + "darkUp", + "darkGrid", + "darkTrellis", + "lightHorizontal", + "lightVertical", + "lightDown", + "lightUp", + "lightGrid", + "lightTrellis", + "gray125", + "gray0625", + } + + var variants = []float64{ + 90, + 0, + 45, + 135, + } + + var fill xlsxFill + for _, v := range formatCellStyle.Fill { + switch v.Type { + case "gradient": + if len(v.Color) != 2 { + continue + } + var gradient xlsxGradientFill + switch v.Shading { + case 0, 1, 2, 3: + gradient.Degree = variants[v.Shading] + case 4: + gradient.Type = "path" + case 5: + gradient.Type = "path" + gradient.Bottom = 0.5 + gradient.Left = 0.5 + gradient.Right = 0.5 + gradient.Top = 0.5 + default: + continue + } + var stops []*xlsxGradientFillStop + for index, color := range v.Color { + var stop xlsxGradientFillStop + stop.Position = float64(index) + stop.Color.RGB = getPaletteColor(color) + stops = append(stops, &stop) + } + gradient.Stop = stops + fill.GradientFill = &gradient + case "pattern": + if v.Pattern > 18 || v.Pattern < 0 { + continue + } + if len(v.Color) < 1 { + continue + } + var pattern xlsxPatternFill + pattern.PatternType = patterns[v.Pattern] + pattern.FgColor.RGB = getPaletteColor(v.Color[0]) + fill.PatternFill = &pattern + } + } + style.Fills.Count++ + style.Fills.Fill = append(style.Fills.Fill, &fill) + return style.Fills.Count - 1 +} + // setBorders provides function to add border elements in the styles.xml by // given borders format settings. -func setBorders(style *xlsxStyleSheet, formatBorder *formatBorder) int { +func setBorders(style *xlsxStyleSheet, formatCellStyle *formatCellStyle) int { var styles = []string{ "none", "thin", @@ -121,12 +255,12 @@ func setBorders(style *xlsxStyleSheet, formatBorder *formatBorder) int { } var border xlsxBorder - for _, v := range formatBorder.Border { + for _, v := range formatCellStyle.Border { if v.Style > 13 || v.Style < 0 { continue } var color xlsxColor - color.RGB = v.Color + color.RGB = getPaletteColor(v.Color) switch v.Type { case "left": border.Left.Style = styles[v.Style] @@ -157,8 +291,9 @@ func setBorders(style *xlsxStyleSheet, formatBorder *formatBorder) int { // setCellXfs provides function to set describes all of the formatting for a // cell. -func setCellXfs(style *xlsxStyleSheet, borderID int) int { +func setCellXfs(style *xlsxStyleSheet, fillID, borderID int) int { var xf xlsxXf + xf.FillID = fillID xf.BorderID = borderID style.CellXfs.Count++ style.CellXfs.Xf = append(style.CellXfs.Xf, xf) @@ -209,3 +344,8 @@ func (f *File) setCellStyle(sheet, hcell, vcell string, styleID int) { } } } + +// getPaletteColor provides function to convert the RBG color by given string. +func getPaletteColor(color string) string { + return "FF" + strings.Replace(strings.ToUpper(color), "#", "", -1) +} |