[apps/sequence] Improve sequence model

Change-Id: I1369646291c4da852777f07c4730c640c3df76ac

apps/sequence/sequence.cpp

@@ -1,7 +1,92 @@
 #include "sequence.h"
+#include <string.h>
+
+using namespace Shared;
 
 namespace Sequence {
 
+Sequence::Sequence(const char * text, KDColor color) :
+  Function(text, color),
+  m_type(Type::Explicite),
+  m_firstInitialConditionText(""),
+  m_secondInitialConditionText(""),
+  m_firstInitialConditionExpression(nullptr),
+  m_secondInitialConditionExpression(nullptr),
+  m_firstInitialConditionLayout(nullptr),
+  m_secondInitialConditionLayout(nullptr)
+{
+}
+
+Sequence::~Sequence() {
+  ((Function *)this)->Shared::Function::~Function();
+  if (m_firstInitialConditionLayout != nullptr) {
+    delete m_firstInitialConditionLayout;
+  }
+  if (m_secondInitialConditionLayout != nullptr) {
+    delete m_secondInitialConditionLayout;
+  }
+  if (m_firstInitialConditionExpression != nullptr) {
+    delete m_firstInitialConditionExpression;
+  }
+  if (m_secondInitialConditionExpression != nullptr) {
+    delete m_secondInitialConditionExpression;
+  }
+}
+
+Sequence::Type Sequence::type() {
+  return m_type;
+}
+
+void Sequence::setType(Type type) {
+  m_type = type;
+}
+
+Poincare::Expression * Sequence::firstInitialConditionExpression() {
+  return m_firstInitialConditionExpression;
+}
+
+Poincare::Expression * Sequence::secondInitialConditionExpression() {
+  return m_secondInitialConditionExpression;
+}
+
+Poincare::ExpressionLayout * Sequence::firstInitialConditionLayout() {
+  return m_firstInitialConditionLayout;
+}
+
+Poincare::ExpressionLayout * Sequence::secondInitialConditionLayout() {
+  return m_secondInitialConditionLayout;
+}
+
+void Sequence::setFirstInitialConditionContent(const char * c) {
+  strlcpy(m_firstInitialConditionText, c, sizeof(m_firstInitialConditionText));
+  if (m_firstInitialConditionExpression != nullptr) {
+    delete m_firstInitialConditionExpression;
+  }
+  m_firstInitialConditionExpression = Poincare::Expression::parse(m_firstInitialConditionText);
+  if (m_firstInitialConditionLayout != nullptr) {
+    delete m_firstInitialConditionLayout;
+  }
+  m_firstInitialConditionLayout = nullptr;
+  if (m_firstInitialConditionExpression) {
+    m_firstInitialConditionLayout = expression()->createLayout();
+  }
+}
+
+void Sequence::setSecondInitialConditionContent(const char * c) {
+  strlcpy(m_secondInitialConditionText, c, sizeof(m_secondInitialConditionText));
+  if (m_secondInitialConditionExpression != nullptr) {
+    delete m_secondInitialConditionExpression;
+  }
+  m_secondInitialConditionExpression = Poincare::Expression::parse(m_secondInitialConditionText);
+  if (m_secondInitialConditionLayout != nullptr) {
+    delete m_secondInitialConditionLayout;
+  }
+  m_secondInitialConditionLayout = nullptr;
+  if (m_secondInitialConditionExpression) {
+    m_secondInitialConditionLayout = expression()->createLayout();
+  }
+}
+
 char Sequence::symbol() const {
   return 'n';
 }