2 files changed, 49 insertions, 5 deletions

diff --git a/core/src/Model/Template/TableTemplate.cpp b/core/src/Model/Template/TableTemplate.cpp
index 6c3d86b..ce1d6a5 100644
--- a/core/src/Model/Template/TableTemplate.cpp
+++ b/core/src/Model/Template/TableTemplate.cpp
@@ -39,6 +39,29 @@ Vec2i TableArrayGroup::FindCell(std::string_view name)
 {
 }
 
+template <class TMap>
+static bool UpdateElementName(TMap& map, std::string_view oldName, std::string_view newName)
+{
+	auto iter = map.find(oldName);
+	if (iter == map.end()) {
+		return false;
+	}
+
+	auto elm = iter.value();
+	auto [DISCARD, inserted] = map.insert(newName, elm);
+	if (!inserted) {
+		return false;
+	}
+
+	map.erase(iter);
+	return true;
+}
+
+bool TableArrayGroup::UpdateCellName(std::string_view oldName, std::string_view newName)
+{
+	return ::UpdateElementName(mName2Cell, oldName, newName);
+}
+
 TableInstantiationParameters::TableInstantiationParameters(const TableTemplate& table)
 	: mTable{ &table }
 {
@@ -164,12 +187,11 @@ void TableTemplate::SetCellType(Vec2i pos, TableCell::CellType type)
 
 		case TableCell::ArrayParametricCell: {
 			auto& ag = mArrayGroups[cell.DataId];
-			if (cell.Location.x == ag.LeftCell) {
+			if (pos.x == ag.LeftCell) {
 				ag.LeftCell++;
-			} else if (cell.Location.x == ag.RightCell) {
+			} else if (pos.x == ag.RightCell) {
 				ag.RightCell--;
 			} else {
-
 			}
 		} break;
 	}
@@ -180,7 +202,7 @@ void TableTemplate::SetCellType(Vec2i pos, TableCell::CellType type)
 
 		case TableCell::SingularParametricCell: {
 			int idx = pos.y * GetTableWidth() + pos.x;
-			auto [DISCARD, inserted] = mName2Parameters.emplace(cell.Content, idx);
+			auto [DISCARD, inserted] = mName2Parameters.insert(cell.Content, idx);
 
 			// Duplicate name
 			if (!inserted) {
@@ -201,6 +223,11 @@ void TableTemplate::SetCellType(Vec2i pos, TableCell::CellType type)
 	cell.Type = type;
 }
 
+bool TableTemplate::UpdateParameterName(std::string_view oldName, std::string_view newName)
+{
+	return ::UpdateElementName(mName2Parameters, oldName, newName);
+}
+
 int TableTemplate::GetArrayGroupCount() const
 {
 	return mArrayGroups.size();
@@ -239,7 +266,7 @@ TableArrayGroup* TableTemplate::AddArrayGroup(std::string_view name, int row, in
 		std::swap(left, right);
 	}
 
-	auto [DISCARD, inserted] = mName2ArrayGroups.emplace(name, (int)mArrayGroups.size());
+	auto [DISCARD, inserted] = mName2ArrayGroups.insert(name, (int)mArrayGroups.size());
 	if (!inserted) {
 		return nullptr;
 	}
@@ -252,6 +279,11 @@ TableArrayGroup* TableTemplate::AddArrayGroup(std::string_view name, int row, in
 	return &mArrayGroups.back();
 }
 
+bool TableTemplate::UpdateArrayGroupName(std::string_view oldName, std::string_view newName)
+{
+	return ::UpdateElementName(mName2ArrayGroups, oldName, newName);
+}
+
 bool TableTemplate::ExtendArrayGroupLeft(int id, int n)
 {
 	assert(n > 0);
diff --git a/core/src/Model/Template/TableTemplate.hpp b/core/src/Model/Template/TableTemplate.hpp
index a9a89d4..141e952 100644
--- a/core/src/Model/Template/TableTemplate.hpp
+++ b/core/src/Model/Template/TableTemplate.hpp
@@ -32,6 +32,7 @@ public:
 	};
 
 public:
+	/// Display content of this cell. This doesn't necessarily have to line up with the parameter name (if this cell is one).
 	std::string Content;
 	Vec2i Location;
 	/// Location of the primary (top left) cell, if this cell is a part of a merged group.
@@ -102,6 +103,7 @@ public:
 
 	/// Find the location of the cell within this array group that has the given name.
 	Vec2i FindCell(std::string_view name);
+	bool UpdateCellName(std::string_view oldName, std::string_view newName);
 };
 
 // Forward declaration of libxlsxwriter structs
@@ -165,13 +167,23 @@ public:
 
 	const TableCell& GetCell(Vec2i pos) const;
 	TableCell& GetCell(Vec2i pos);
+	/// <ul>
+	/// <li> In case of becoming a SingularParametricCell: the parameter name is filled with TableCell::Content.
+	/// <li> In case of becoming a ArrayGroupParametricCell: the array group name is automatically generated as the nth group it would be come.
+	/// i.e., if there aRe currently 3 groups, the newly created group would be named "4".
+	/// If this name collides with an existing group, hyphens \c - will be append to the name until no collision happens.
+	/// </ul>
 	void SetCellType(Vec2i pos, TableCell::CellType type);
 
+	/// Updates the parameter cell to a new name. Returns true on success and false on failure (param not found or name duplicates).
+	bool UpdateParameterName(std::string_view oldName, std::string_view newName);
+
 	int GetArrayGroupCount() const;
 	const TableArrayGroup& GetArrayGroup(int id) const;
 	TableArrayGroup& GetArrayGroup(int id);
 	TableArrayGroup* AddArrayGroup(int row, int left, int right);
 	TableArrayGroup* AddArrayGroup(std::string_view name, int row, int left, int right);
+	bool UpdateArrayGroupName(std::string_view oldName, std::string_view newName);
 	bool ExtendArrayGroupLeft(int id, int n);
 	bool ExtendArrayGroupRight(int id, int n);