[apps/sequence] Create a class sequence title cell

Change-Id: I2a891e6a47ec742cedfa6780ee1a50eb3df24085

apps/sequence/Makefile

@@ -4,6 +4,7 @@ app_objs += $(addprefix apps/sequence/,\
   values/values_controller.o\
   sequence.o\
   sequence_store.o\
+  sequence_title_cell.o\
 )
 
 app_images += apps/sequence/sequence_icon.png

apps/sequence/sequence_title_cell.cpp

@@ -0,0 +1,91 @@
+#include "sequence_title_cell.h"
+
+using namespace Shared;
+
+namespace Sequence {
+
+SequenceTitleCell::SequenceTitleCell(Responder * parentResponder) :
+  FunctionTitleCell(FunctionTitleCell::Orientation::VerticalIndicator),
+  Responder(parentResponder),
+  m_numberOfSubCells(1),
+  m_selectedSubCell(0),
+  m_firstInitialConditionView(KDText::FontSize::Large, 0.5f, 0.5f),
+  m_secondInitialConditionView(KDText::FontSize::Large, 0.5f, 0.5f)
+{
+}
+
+int SequenceTitleCell::selectedSubCell() {
+  return m_selectedSubCell;
+}
+
+void SequenceTitleCell::selectSubCell(int selectedSubCell) {
+  m_selectedSubCell = selectedSubCell;
+  m_bufferTextView.setHighlighted(selectedSubCell == 0);
+  m_firstInitialConditionView.setHighlighted(selectedSubCell == 1);
+  m_secondInitialConditionView.setHighlighted(selectedSubCell == 2);
+  reloadCell();
+}
+
+void SequenceTitleCell::setHighlighted(bool highlight) {
+  m_bufferTextView.setHighlighted(false);
+  m_firstInitialConditionView.setHighlighted(false);
+  m_secondInitialConditionView.setHighlighted(false);
+  TableViewCell::setHighlighted(highlight);
+  if (isHighlighted()) {
+    if (m_selectedSubCell == 0) {
+      m_bufferTextView.setHighlighted(true);
+    }
+    if (m_selectedSubCell == 1) {
+      m_firstInitialConditionView.setHighlighted(true);
+    }
+    if (m_selectedSubCell == 2) {
+      m_secondInitialConditionView.setHighlighted(true);
+    }
+  }
+  reloadCell();
+}
+
+void SequenceTitleCell::setEven(bool even) {
+  m_bufferTextView.setEven(even);
+  m_firstInitialConditionView.setEven(even);
+  m_secondInitialConditionView.setEven(even);
+  reloadCell();
+}
+
+int SequenceTitleCell::numberOfSubviews() const {
+  return m_numberOfSubCells;
+}
+
+View * SequenceTitleCell::subviewAtIndex(int index) {
+  if (index == 0) {
+    return &m_bufferTextView;
+  }
+  if (index == 1) {
+    return &m_firstInitialConditionView;
+  }
+  return &m_secondInitialConditionView;
+}
+
+void SequenceTitleCell::layoutSubviews() {
+  KDCoordinate cellHeight = bounds().height()/m_numberOfSubCells;
+  KDRect expressionFrame(k_colorIndicatorThickness, 0, bounds().width() - k_separatorThickness, cellHeight);
+  m_bufferTextView.setFrame(expressionFrame);
+  expressionFrame = KDRect(k_colorIndicatorThickness, cellHeight, bounds().width() - k_separatorThickness, cellHeight);
+  m_firstInitialConditionView.setFrame(expressionFrame);
+  expressionFrame = KDRect(k_colorIndicatorThickness, 2*cellHeight, bounds().width() - k_separatorThickness, cellHeight);
+  m_secondInitialConditionView.setFrame(expressionFrame);
+}
+
+bool SequenceTitleCell::handleEvent(Ion::Events::Event event) {
+  if (m_selectedSubCell < 2 && event == Ion::Events::Down) {
+    selectSubCell(m_selectedSubCell+1);
+    return true;
+  }
+  if (m_selectedSubCell > 0 && event == Ion::Events::Up) {
+    selectSubCell(m_selectedSubCell-1);
+    return true;
+  }
+  return false;
+}
+
+}

apps/sequence/sequence_title_cell.h

@@ -0,0 +1,32 @@
+#ifndef SEQUENCE_SEQUENCE_TITLE_CELL_H
+#define SEQUENCE_SEQUENCE_TITLE_CELL_H
+
+#include "../shared/function_title_cell.h"
+
+namespace Sequence {
+
+class SequenceTitleCell : public Shared::FunctionTitleCell, public Responder {
+public:
+  SequenceTitleCell(Responder * parentResponder = nullptr);
+  void setFirstInitialConditionText(const char * textContent);
+  void setSecondInitialConditionText(const char * textContent);
+  int selectedSubCell();
+  void selectSubCell(int index);
+  void setHighlighted(bool highlight) override;
+  void setEven(bool even) override;
+  int numberOfSubviews() const override;
+  View * subviewAtIndex(int index) override;
+  void layoutSubviews() override;
+  bool handleEvent(Ion::Events::Event event) override;
+private:
+  static constexpr KDCoordinate k_emptyRowHeight = 50;
+  constexpr static KDCoordinate k_separatorThickness = 1;
+  int m_numberOfSubCells;
+  int m_selectedSubCell;
+  EvenOddBufferTextCell m_firstInitialConditionView;
+  EvenOddBufferTextCell m_secondInitialConditionView;
+};
+
+}
+
+#endif

apps/shared/function_title_cell.cpp

@@ -10,9 +10,14 @@ FunctionTitleCell::FunctionTitleCell(Orientation orientation, KDText::FontSize s
 {
 }
 
-void FunctionTitleCell::reloadCell() {
-  EvenOddCell::reloadCell();
-  m_bufferTextView.setBackgroundColor(backgroundColor());
+void FunctionTitleCell::setHighlighted(bool highlight) {
+  EvenOddCell::setHighlighted(highlight);
+  m_bufferTextView.setHighlighted(highlight);
+}
+
+void FunctionTitleCell::setEven(bool even) {
+  EvenOddCell::setEven(even);
+  m_bufferTextView.setEven(even);
 }
 
 void FunctionTitleCell::setText(const char * title) {

apps/shared/function_title_cell.h

@@ -15,14 +15,16 @@ public:
   void setColor(KDColor color);
   void setText(const char * textContent);
   void drawRect(KDContext * ctx, KDRect rect) const override;
-  void reloadCell() override;
+  void setEven(bool even) override;
+  void setHighlighted(bool highlight) override;
   int numberOfSubviews() const override;
   View * subviewAtIndex(int index) override;
   void layoutSubviews() override;
- private:
+protected:
   constexpr static KDCoordinate k_colorIndicatorThickness = 2;
+  EvenOddBufferTextCell m_bufferTextView;
+private:
   KDColor m_functionColor;
-  BufferTextView m_bufferTextView;
   Orientation m_orientation;
 };
 

escher/include/escher/even_odd_buffer_text_cell.h

@@ -6,7 +6,7 @@
 
 class EvenOddBufferTextCell : public EvenOddCell {
 public:
-  EvenOddBufferTextCell(KDText::FontSize size = KDText::FontSize::Small);
+  EvenOddBufferTextCell(KDText::FontSize size = KDText::FontSize::Small, float horizontalAlignment = 1.0f, float verticalAlignment = 0.5f);
   void reloadCell() override;
   void setText(const char * textContent);
   void setTextColor(KDColor textColor);

escher/src/even_odd_buffer_text_cell.cpp

@@ -1,9 +1,9 @@
 #include <escher/even_odd_buffer_text_cell.h>
 #include <assert.h>
 
-EvenOddBufferTextCell::EvenOddBufferTextCell(KDText::FontSize size) :
+EvenOddBufferTextCell::EvenOddBufferTextCell(KDText::FontSize size, float horizontalAlignment, float verticalAlignment) :
   EvenOddCell(),
-  m_bufferTextView(BufferTextView(size, 1.0f, 0.5f))
+  m_bufferTextView(BufferTextView(size, horizontalAlignment, verticalAlignment))
 {
 }