[apps/graph] make the function title cells consistent

Change-Id: Ib59f3d5f8a679cddd8a88e16711138425a6e9ecb

apps/graph/function_title_cell.cpp

@@ -0,0 +1,52 @@
+#include "function_title_cell.h"
+#include <assert.h>
+
+namespace Graph {
+
+FunctionTitleCell::FunctionTitleCell() :
+  EvenOddCell(),
+  m_bufferTextView(0.5f, 0.5f)
+{
+}
+
+void FunctionTitleCell::reloadCell() {
+  EvenOddCell::reloadCell();
+  m_bufferTextView.setBackgroundColor(backgroundColor());
+}
+
+void FunctionTitleCell::setText(const char * title) {
+  m_bufferTextView.setText(title);
+}
+
+void FunctionTitleCell::setColor(KDColor color) {
+  m_functionColor = color;
+  m_bufferTextView.setTextColor(color);
+}
+
+void FunctionTitleCell::setOrientation(Orientation orientation) {
+  m_orientation = orientation;
+}
+
+int FunctionTitleCell::numberOfSubviews() const {
+  return 1;
+}
+
+View * FunctionTitleCell::subviewAtIndex(int index) {
+  assert(index == 0);
+  return &m_bufferTextView;
+}
+
+void FunctionTitleCell::layoutSubviews() {
+  m_bufferTextView.setFrame(bounds());
+}
+
+void FunctionTitleCell::drawRect(KDContext * ctx, KDRect rect) const {
+  EvenOddCell::drawRect(ctx, rect);
+  if (m_orientation == Orientation::VerticalIndicator){
+    ctx->fillRect(KDRect(0, 0, k_colorIndicatorThickness, bounds().height()), m_functionColor);
+  } else {
+    ctx->fillRect(KDRect(0, 0, bounds().width(), k_colorIndicatorThickness), m_functionColor);
+  }
+}
+
+}