From b25ec6e9d3adfd329a1808ea70354deb38f94225 Mon Sep 17 00:00:00 2001
From: dvelderp <peter.de.velder@ilias-solutions.com>
Date: Thu, 25 Jan 2018 18:06:40 +0100
Subject: [PATCH] xlsx.SetCellValue() now supports bool value

---
 cell.go          | 31 +++++++++++++++++++++++++++++++
 excelize_test.go | 15 +++++++++++++++
 2 files changed, 46 insertions(+)

diff --git a/cell.go b/cell.go
index bb363aa..808c413 100644
--- a/cell.go
+++ b/cell.go
@@ -41,6 +41,7 @@ func (f *File) mergeCellsParser(xlsx *xlsxWorksheet, axis string) string {
 //    []byte
 //    time.Duration
 //    time.Time
+//    bool
 //    nil
 //
 // Note that default date format is m/d/yy h:mm of time.Time type value. You can
@@ -63,6 +64,8 @@ func (f *File) SetCellValue(sheet, axis string, value interface{}) {
 		f.setDefaultTimeStyle(sheet, axis, 22)
 	case nil:
 		f.SetCellStr(sheet, axis, "")
+	case bool:
+		f.SetCellBool(sheet, axis, bool(value.(bool)))
 	default:
 		f.setCellIntValue(sheet, axis, value)
 	}
@@ -96,6 +99,34 @@ func (f *File) setCellIntValue(sheet, axis string, value interface{}) {
 	}
 }
 
+// SetCellBool provides function to set bool type value of a cell by given
+// worksheet name, cell coordinates and cell value.
+func (f *File) SetCellBool(sheet, axis string, value bool) {
+	xlsx := f.workSheetReader(sheet)
+	axis = f.mergeCellsParser(xlsx, axis)
+	col := string(strings.Map(letterOnlyMapF, axis))
+	row, err := strconv.Atoi(strings.Map(intOnlyMapF, axis))
+	if err != nil {
+		return
+	}
+	xAxis := row - 1
+	yAxis := TitleToNumber(col)
+
+	rows := xAxis + 1
+	cell := yAxis + 1
+
+	completeRow(xlsx, rows, cell)
+	completeCol(xlsx, rows, cell)
+
+	xlsx.SheetData.Row[xAxis].C[yAxis].S = f.prepareCellStyle(xlsx, cell, xlsx.SheetData.Row[xAxis].C[yAxis].S)
+	xlsx.SheetData.Row[xAxis].C[yAxis].T = "b"
+	if value {
+		xlsx.SheetData.Row[xAxis].C[yAxis].V = "1"
+	} else {
+		xlsx.SheetData.Row[xAxis].C[yAxis].V = "0"
+	}
+}
+
 // GetCellValue provides function to get formatted value from cell by given
 // worksheet name and axis in XLSX file. If it is possible to apply a format to
 // the cell value, it will do so, if not then an error will be returned, along
diff --git a/excelize_test.go b/excelize_test.go
index a4dc287..c7fb5de 100644
--- a/excelize_test.go
+++ b/excelize_test.go
@@ -81,6 +81,21 @@ func TestOpenFile(t *testing.T) {
 	xlsx.SetCellValue("Sheet2", "F14", uint32(1<<32-1))
 	xlsx.SetCellValue("Sheet2", "F15", uint64(1<<32-1))
 	xlsx.SetCellValue("Sheet2", "F16", true)
+	// Test boolean write
+	booltest := []struct {
+		value    bool
+		expected string
+	}{
+		{false, "0"},
+		{true, "1"},
+	}
+	for _, test := range booltest {
+		xlsx.SetCellValue("Sheet2", "F16", test.value)
+		value := xlsx.GetCellValue("Sheet2", "F16")
+		if value != test.expected {
+			t.Errorf(`Expecting result of xlsx.SetCellValue("Sheet2", "F16", %v) to be %v (false), got: %s `, test.value, test.expected, value)
+		}
+	}
 	xlsx.SetCellValue("Sheet2", "G2", nil)
 	xlsx.SetCellValue("Sheet2", "G4", time.Now())
 	// 02:46:40