[feat] added hyperlinks

Author: izob9

src/lib.rs

@@ -98,6 +98,11 @@ struct InnerCell {
  style: Option<u32>
 }
 
+#[derive(Clone)]
+struct Hyperlink {
+ cell: String,
+ url: String,
+}
 impl InnerCell {
  pub fn new(cell: String, style: &Option<u32>) -> InnerCell {
  InnerCell {
@@ -132,9 +137,9 @@ pub fn import_to_xlsx(raw_data: &JsValue) -> Vec<u8> {
  let w = Cursor::new(buf);
  let mut zip = zip::ZipWriter::new(w);
  let options = FileOptions::default().compression_method(zip::CompressionMethod::Stored).unix_permissions(0o755);
-
  for (sheet_index, sheet) in data.data.iter().enumerate() {
  let mut rows: Vec<Vec<InnerCell>> = vec!();
+ let mut hyperlinks: Vec<Hyperlink> = vec![];
  match &sheet.cells {
  Some(cells) => {
  for (row_index, row) in cells.iter().enumerate() {
@@ -144,7 +149,12 @@ pub fn import_to_xlsx(raw_data: &JsValue) -> Vec<u8> {
  Some(cell) => {
  let cell_name = cell_offsets_to_index(row_index, col_index);
  let mut inner_cell = InnerCell::new(cell_name, &cell.s);
-
+ if let Some(link) = &cell.hyperlink {
+ hyperlinks.push(Hyperlink {
+ cell: inner_cell.cell.clone(),
+ url: link.clone(),
+ });
+ }
  match &cell.v {
  Some(value) => {
  if !value.is_empty() {
@@ -222,6 +232,9 @@ pub fn import_to_xlsx(raw_data: &JsValue) -> Vec<u8> {
  }
 
  let sheet_info = get_sheet_info(sheet.name.clone(), sheet_index);
+ let rels_path = format!("xl/worksheets/_rels/sheet{}.xml.rels", sheet_index + 1);
+ zip.start_file(rels_path.clone(), options).unwrap();
+ zip.write_all(get_sheet_rels(&hyperlinks).as_bytes()).unwrap();
  zip.start_file(sheet_info.0.clone(), options).unwrap();
  zip.write_all(
  get_sheet_data(
@@ -232,6 +245,7 @@ pub fn import_to_xlsx(raw_data: &JsValue) -> Vec<u8> {
  sheet.frozen_rows,
  sheet.frozen_cols,
  &sheet.validations,
+ &hyperlinks,
  )
  .as_bytes(),
  ).unwrap();
@@ -448,6 +462,7 @@ fn get_sheet_data(
  frozen_rows: Option<u32>,
  frozen_cols: Option<u32>,
  validations: &Option<Vec<DataValidation>>,
+ hyperlinks: &[Hyperlink],
 ) -> String {
  let mut worksheet = Element::new("worksheet");
  let mut sheet_view = Element::new("sheetView");
@@ -651,6 +666,22 @@ fn get_sheet_data(
  worksheet_children.push(dv_el);
  }
  }
+ if !hyperlinks.is_empty() {
+ let mut hyperlinks_el = Element::new("hyperlinks");
+ let mut hyperlink_children = vec![];
+
+ for (i, h) in hyperlinks.iter().enumerate() {
+ let mut hyperlink_el = Element::new("hyperlink");
+ hyperlink_el
+ .add_attr("r:id", format!("rId{}", 1000 + i))
+ .add_attr("ref", &h.cell);
+ hyperlink_children.push(hyperlink_el);
+ }
+
+ hyperlinks_el.add_children(hyperlink_children);
+ worksheet_children.push(hyperlinks_el);
+ }
+ 
  worksheet
  .add_attr("xmlns:xm", "http://schemas.microsoft.com/office/excel/2006/main")
  .add_attr("xmlns:x14ac", "http://schemas.microsoft.com/office/spreadsheetml/2009/9/ac")
@@ -689,6 +720,25 @@ fn get_sheet_info(name: Option<String>, index: usize) -> (String, String) {
  (format!("xl/worksheets/sheet{}.xml", index + 1), sheet_name)
 }
 
+fn get_sheet_rels(hyperlinks: &[Hyperlink]) -> String {
+ let mut rels = Element::new("Relationships");
+ rels.add_attr("xmlns", "http://schemas.openxmlformats.org/package/2006/relationships");
+
+ let mut children = vec![];
+
+ for (i, link) in hyperlinks.iter().enumerate() {
+ let mut rel = Element::new("Relationship");
+ rel.add_attr("Id", format!("rId{}", 1000 + i));
+ rel.add_attr("Type", "http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink");
+ rel.add_attr("Target", &link.url);
+ rel.add_attr("TargetMode", "External");
+ children.push(rel);
+ }
+
+ rels.add_children(children);
+ rels.to_xml()
+}
+
 fn get_nav(sheets: Vec<(String, String)>) -> (String, String, String) {
  let mut content_types = Element::new("Types");
  content_types.add_attr("xmlns", "http://schemas.openxmlformats.org/package/2006/content-types");