#include "function_expression_view.h"

namespace Graph {

FunctionExpressionView::FunctionExpressionView() :
  FunctionCell()
{
}

void FunctionExpressionView::drawRect(KDContext * ctx, KDRect rect) const {
  EvenOddCell::drawRect(ctx, rect);
  if (m_function->layout() == nullptr) {
    return;
  }
  // Select the background color according to the even line and the cursor selection
  KDColor background = backgroundColor();
  // Select text color according to the state of the function
  bool active = m_function->isActive();
  KDColor text = active ? KDColorBlack : FunctionCell::k_desactiveTextColor;
  //Position the origin of expression
  KDSize expressionSize = m_function->layout()->size();
  KDPoint origin(0, 0.5f*(m_frame.height() - expressionSize.height()));
  m_function->layout()->draw(ctx, origin, text, background);
}

}