[apps/graph][apps/sequence] In function store model, specify the

implementation of removeAll (always let an empty function in cartesian
functions)

Change-Id: I5e91a0ea427ba823eee4f86cdd8b7cd5426df2c6

apps/graph/cartesian_function_store.cpp

@@ -100,4 +100,12 @@ const KDColor  CartesianFunctionStore::firstAvailableColor() {
   return k_defaultColors[0];
 }
 
+void CartesianFunctionStore::removeAll() {
+  for (int i = 0; i < m_numberOfFunctions; i++) {
+    m_functions[i] = CartesianFunction("", KDColorBlack);
+  }
+  m_numberOfFunctions = 0;
+  addEmptyFunction();
+}
+
 }

apps/graph/cartesian_function_store.h

@@ -19,6 +19,7 @@ public:
   void removeFunction(Shared::Function * f) override;
   int maxNumberOfFunctions() override;
   char symbol() const override;
+  void removeAll() override;
   static constexpr int k_maxNumberOfFunctions = 8;
 private:
   const char * firstAvailableName() override;

apps/sequence/sequence_store.cpp

@@ -93,4 +93,11 @@ const KDColor SequenceStore::firstAvailableColor() {
   return k_defaultColors[0];
 }
 
+void SequenceStore::removeAll() {
+  for (int i = 0; i < m_numberOfFunctions; i++) {
+    m_sequences[i] = Sequence("", KDColorBlack);
+  }
+  m_numberOfFunctions = 0;
+}
+
 }

apps/sequence/sequence_store.h

@@ -20,6 +20,7 @@ public:
   int maxNumberOfFunctions() override;
   const char * firstAvailableName() override;
   char symbol() const override;
+  void removeAll() override;
   static constexpr int k_maxNumberOfSequences = 3;
 private:
   const KDColor firstAvailableColor() override;

apps/shared/function_store.cpp

@@ -62,10 +62,4 @@ int FunctionStore::numberOfDefinedFunctions() {
   return result;
 }
 
-void FunctionStore::removeAll() {
-  for (int i = 0; i < numberOfFunctions(); i++) {
-    removeFunction(functionAtIndex(i));
-  }
-}
-
 }

apps/shared/function_store.h

@@ -18,7 +18,7 @@ public:
   virtual Function * definedFunctionAtIndex(int i);
   virtual Function * addEmptyFunction() = 0;
   virtual void removeFunction(Function * f) = 0;
-  void removeAll();
+  virtual void removeAll() = 0;
   int numberOfFunctions();
   // Functions can be undefined when they have a color and a name but no content
   int numberOfDefinedFunctions();