Spreadsheet: Issue #2402: Don't allow duplicate aliases.

2016-01-15 23:37:41 +01:00
parent d45a95bf3a
commit 301fcc2ab7
2 changed files with 18 additions and 4 deletions
--- a/src/Mod/Spreadsheet/App/Sheet.cpp
+++ b/src/Mod/Spreadsheet/App/Sheet.cpp
@@ -1130,7 +1130,14 @@ void Sheet::setComputedUnit(CellAddress address, const Base::Unit &unit)

 void Sheet::setAlias(CellAddress address, const std::string &alias)
 {
-    cells.setAlias(address, alias);
+    const Cell * cell = cells.getValueFromAlias(alias);
+
+    if (cell != 0)
+        throw Base::Exception("Alias already defined.");
+    else
+        cells.setAlias(address, alias);
+}
+
 /**
 * @brief Get cell given an alias string
 * @param alias Alias for cell