This closes #2061, fix border styles missing after saved workbook

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,81 @@
+name: Bug report
+description: Create a report to help us improve
+body:
+  - type: markdown
+    attributes:
+      value: |
+        If you are reporting a new issue, make sure that we do not have any duplicates already open. You can ensure this by searching the issue list for this repository. If there is a duplicate, please close your issue and add a comment to the existing issue instead.
+
+  - type: textarea
+    id: description
+    attributes:
+      label: Description
+      description: Briefly describe the problem you are having in a few paragraphs.
+    validations:
+      required: true
+
+  - type: textarea
+    id: reproduction-steps
+    attributes:
+      label: Steps to reproduce the issue
+      description: Explain how to cause the issue in the provided reproduction.
+      placeholder: |
+        1.
+        2.
+        3.
+    validations:
+      required: true
+
+  - type: textarea
+    id: received
+    attributes:
+      label: Describe the results you received
+    validations:
+      required: true
+
+  - type: textarea
+    id: expected
+    attributes:
+      label: Describe the results you expected
+    validations:
+      required: true
+
+  - type: input
+    id: go-version
+    attributes:
+      label: Go version
+      description: |
+        Output of `go version`:
+      placeholder: e.g. 1.23.4
+    validations:
+      required: true
+
+  - type: input
+    id: excelize-version
+    attributes:
+      label: Excelize version or commit ID
+      description: |
+        Which version of Excelize are you using?
+      placeholder: e.g. 2.9.0
+    validations:
+      required: true
+
+  - type: textarea
+    id: env
+    attributes:
+      label: Environment
+      description: Environment details (OS, Microsoft Excel™ version, physical, etc.)
+      render: shell
+    validations:
+      required: true
+
+  - type: checkboxes
+    id: checkboxes
+    attributes:
+      label: Validations
+      description: Before submitting the issue, please make sure you do the following
+      options:
+        - label: Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
+          required: true
+        - label: The provided reproduction is a minimal reproducible example of the bug.
+          required: true

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,30 @@
+name: Feature request
+description: Suggest an idea for this project
+body:
+  - type: markdown
+    attributes:
+      value: |
+        If you are reporting a new issue, make sure that we do not have any duplicates already open. You can ensure this by searching the issue list for this repository. If there is a duplicate, please close your issue and add a comment to the existing issue instead.
+
+  - type: textarea
+    id: description
+    attributes:
+      label: Description
+      description: Describe the feature that you would like added
+    validations:
+      required: true
+
+  - type: textarea
+    id: additional-context
+    attributes:
+      label: Additional context
+      description: Any other context or screenshots about the feature request here?
+
+  - type: checkboxes
+    id: checkboxes
+    attributes:
+      label: Validations
+      description: Before submitting the issue, please make sure you do the following
+      options:
+        - label: Check that there isn't already an issue that requests the same feature to avoid creating a duplicate.
+          required: true

numfmt.go

@@ -4661,7 +4661,7 @@ var (
 	}
 )
 
-// getSupportedLanguageInfo returns language infomation by giving language code.
+// getSupportedLanguageInfo returns language information by giving language code.
 // This function does not support different calendar type of the language
 // currently. For example: the hexadecimal language code 3010429 (fa-IR,301)
 // will be convert to 0429 (fa-IR).

styles.go

@@ -1441,16 +1441,16 @@ func (f *File) getThemeColor(clr *xlsxColor) string {
 func (f *File) extractBorders(bdr *xlsxBorder, s *xlsxStyleSheet, style *Style) {
 	if bdr != nil {
 		var borders []Border
-		extractBorder := func(lineType string, line xlsxLine) {
-			if line.Style != "" {
+		extractBorder := func(lineType string, line *xlsxLine) {
+			if line != nil && line.Style != "" {
 				borders = append(borders, Border{
 					Type:  lineType,
 					Color: f.getThemeColor(line.Color),
 					Style: inStrSlice(styleBorders, line.Style, false),
 				})
 			}
 		}
-		for i, line := range []xlsxLine{
+		for i, line := range []*xlsxLine{
 			bdr.Left, bdr.Right, bdr.Top, bdr.Bottom, bdr.Diagonal, bdr.Diagonal,
 		} {
 			if i < 4 {
@@ -2128,29 +2128,20 @@ func newBorders(style *Style) *xlsxBorder {
 	var border xlsxBorder
 	for _, v := range style.Border {
 		if 0 <= v.Style && v.Style < 14 {
-			var color xlsxColor
-			color.RGB = getPaletteColor(v.Color)
+			line := &xlsxLine{Style: styleBorders[v.Style], Color: &xlsxColor{RGB: getPaletteColor(v.Color)}}
 			switch v.Type {
 			case "left":
-				border.Left.Style = styleBorders[v.Style]
-				border.Left.Color = &color
+				border.Left = line
 			case "right":
-				border.Right.Style = styleBorders[v.Style]
-				border.Right.Color = &color
+				border.Right = line
 			case "top":
-				border.Top.Style = styleBorders[v.Style]
-				border.Top.Color = &color
+				border.Top = line
 			case "bottom":
-				border.Bottom.Style = styleBorders[v.Style]
-				border.Bottom.Color = &color
+				border.Bottom = line
 			case "diagonalUp":
-				border.Diagonal.Style = styleBorders[v.Style]
-				border.Diagonal.Color = &color
-				border.DiagonalUp = true
+				border.Diagonal, border.DiagonalUp = line, true
 			case "diagonalDown":
-				border.Diagonal.Style = styleBorders[v.Style]
-				border.Diagonal.Color = &color
-				border.DiagonalDown = true
+				border.Diagonal, border.DiagonalDown = line, true
 			}
 		}
 	}

xmlStyles.go

@@ -162,11 +162,11 @@ type xlsxBorder struct {
 	DiagonalDown bool      `xml:"diagonalDown,attr,omitempty"`
 	DiagonalUp   bool      `xml:"diagonalUp,attr,omitempty"`
 	Outline      bool      `xml:"outline,attr,omitempty"`
-	Left         xlsxLine  `xml:"left"`
-	Right        xlsxLine  `xml:"right"`
-	Top          xlsxLine  `xml:"top"`
-	Bottom       xlsxLine  `xml:"bottom"`
-	Diagonal     xlsxLine  `xml:"diagonal"`
+	Left         *xlsxLine `xml:"left"`
+	Right        *xlsxLine `xml:"right"`
+	Top          *xlsxLine `xml:"top"`
+	Bottom       *xlsxLine `xml:"bottom"`
+	Diagonal     *xlsxLine `xml:"diagonal"`
 	Vertical     *xlsxLine `xml:"vertical"`
 	Horizontal   *xlsxLine `xml:"horizontal"`
 }