56 lines
1.7 KiB
Go
56 lines
1.7 KiB
Go
|
// Copyright 2016 - 2019 The excelize Authors. All rights reserved. Use of
|
||
|
|
// this source code is governed by a BSD-style license that can be found in
|
||
|
|
// the LICENSE file.
|
||
|
|
//
|
||
|
|
// Package excelize providing a set of functions that allow you to write to
|
||
|
|
// and read from XLSX files. Support reads and writes XLSX file generated by
|
||
|
|
// Microsoft Excel™ 2007 and later. Support save file without losing original
|
||
|
|
// charts of XLSX. This library needs Go version 1.8 or later.
|
||
|
|
|
||
|
|
package excelize
|
||
|
|
|
||
|
|
import "encoding/xml"
|
||
|
|
|
||
|
|
// calcChainReader provides a function to get the pointer to the structure
|
||
|
|
// after deserialization of xl/calcChain.xml.
|
||
|
|
func (f *File) calcChainReader() *xlsxCalcChain {
|
||
|
|
if f.CalcChain == nil {
|
||
|
|
var c xlsxCalcChain
|
||
|
|
_ = xml.Unmarshal(namespaceStrictToTransitional(f.readXML("xl/calcChain.xml")), &c)
|
||
|
|
f.CalcChain = &c
|
||
|
|
}
|
||
|
|
return f.CalcChain
|
||
|
|
}
|
||
|
|
|
||
|
|
// calcChainWriter provides a function to save xl/calcChain.xml after
|
||
|
|
// serialize structure.
|
||
|
|
func (f *File) calcChainWriter() {
|
||
|
|
if f.CalcChain != nil {
|
||
|
|
output, _ := xml.Marshal(f.CalcChain)
|
||
|
|
f.saveFileList("xl/calcChain.xml", output)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// deleteCalcChain provides a function to remove cell reference on the
|
||
|
|
// calculation chain.
|
||
|
|
func (f *File) deleteCalcChain(axis string) {
|
||
|
|
calc := f.calcChainReader()
|
||
|
|
if calc != nil {
|
||
|
|
for i, c := range calc.C {
|
||
|
|
if c.R == axis {
|
||
|
|
calc.C = append(calc.C[:i], calc.C[i+1:]...)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if len(calc.C) == 0 {
|
||
|
|
f.CalcChain = nil
|
||
|
|
delete(f.XLSX, "xl/calcChain.xml")
|
||
|
|
content := f.contentTypesReader()
|
||
|
|
for k, v := range content.Overrides {
|
||
|
|
if v.PartName == "/xl/calcChain.xml" {
|
||
|
|
content.Overrides = append(content.Overrides[:k], content.Overrides[k+1:]...)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|