Spreadsheet: Add (limited) support for custom cell formatting

Author: alimpfard

Applications/Spreadsheet/CMakeLists.txt

@@ -5,6 +5,7 @@ set(SOURCES
     CellType/Numeric.cpp
     CellType/String.cpp
     CellType/Type.cpp
+    CellTypeDialog.cpp
     HelpWindow.cpp
     JSIntegration.cpp
     Spreadsheet.cpp

Applications/Spreadsheet/Cell.cpp

@@ -60,12 +60,16 @@ void Cell::set_data(JS::Value new_data)
     evaluated_data = move(new_data);
 }
 
+void Cell::set_type(const CellType* type)
+{
+    m_type = type;
+}
+
 void Cell::set_type(const StringView& name)
 {
     auto* cell_type = CellType::get_by_name(name);
     if (cell_type) {
-        m_type = cell_type;
-        return;
+        return set_type(cell_type);
     }
 
     ASSERT_NOT_REACHED();

Applications/Spreadsheet/Cell.h

@@ -59,6 +59,7 @@ struct Cell : public Weakable<Cell> {
     void set_data(JS::Value new_data);
 
     void set_type(const StringView& name);
+    void set_type(const CellType*);
     void set_type_metadata(CellTypeMetadata&&);
 
     String typed_display() const;

Applications/Spreadsheet/CellType/Type.cpp

@@ -43,6 +43,14 @@ const CellType* CellType::get_by_name(const StringView& name)
     return s_cell_types.get(name).value_or(nullptr);
 }
 
+Vector<StringView> CellType::names()
+{
+    Vector<StringView> names;
+    for (auto& it : s_cell_types)
+        names.append(it.key);
+    return names;
+}
+
 CellType::CellType(const StringView& name)
 {
     ASSERT(!s_cell_types.contains(name));

Applications/Spreadsheet/CellType/Type.h

@@ -29,18 +29,21 @@
 #include "../Forward.h"
 #include <AK/Forward.h>
 #include <AK/String.h>
+#include <LibGfx/TextAlignment.h>
 #include <LibJS/Forward.h>
 
 namespace Spreadsheet {
 
 struct CellTypeMetadata {
     int length { -1 };
     String format;
+    Gfx::TextAlignment alignment { Gfx::TextAlignment::CenterRight };
 };
 
 class CellType {
 public:
     static const CellType* get_by_name(const StringView&);
+    static Vector<StringView> names();
 
     virtual String display(Cell&, const CellTypeMetadata&) const = 0;
     virtual JS::Value js_value(Cell&, const CellTypeMetadata&) const = 0;