[escher] Create a class text buffer menu list cell

Change-Id: I31fb8e2a0f842e7080ddde7d717511ff1e4b7ab5

escher/Makefile

@@ -46,6 +46,7 @@ objs += $(addprefix escher/src/,\
   table_view_cell.o\
   table_view_data_source.o\
   text_field.o\
+  text_buffer_menu_list_cell.o\
   text_menu_list_cell.o\
   text_view.o\
   tiled_view.o\

escher/include/escher.h

@@ -43,6 +43,7 @@
 #include <escher/switch_menu_list_cell.h>
 #include <escher/text_field.h>
 #include <escher/text_field_delegate.h>
+#include <escher/text_buffer_menu_list_cell.h>
 #include <escher/text_menu_list_cell.h>
 #include <escher/text_view.h>
 #include <escher/tab_view_controller.h>

escher/include/escher/text_buffer_menu_list_cell.h

@@ -0,0 +1,27 @@
+#ifndef ESCHER_TEXT_BUFFER_MENU_LIST_CELL_H
+#define ESCHER_TEXT_BUFFER_MENU_LIST_CELL_H
+
+#include <escher/view.h>
+#include <escher/buffer_text_view.h>
+#include <escher/pointer_text_view.h>
+#include <escher/palette.h>
+#include <escher/metric.h>
+#include <escher/table_view_cell.h>
+
+class TextBufferMenuListCell : public TableViewCell {
+public:
+  TextBufferMenuListCell(char * accessoryText = nullptr);
+  void setHighlighted(bool highlight) override;
+  void setText(const char * text);
+  void setAccessoryText(const char * textBody);
+  void drawRect(KDContext * ctx, KDRect rect) const override;
+private:
+  int numberOfSubviews() const override;
+  View * subviewAtIndex(int index) override;
+  void layoutSubviews() override;
+  constexpr static KDCoordinate k_separatorThickness = 1;
+  BufferTextView m_labelTextView;
+  PointerTextView m_accessoryView;
+};
+
+#endif

escher/src/text_buffer_menu_list_cell.cpp

@@ -0,0 +1,54 @@
+#include <escher/text_buffer_menu_list_cell.h>
+#include <assert.h>
+
+TextBufferMenuListCell::TextBufferMenuListCell(char * accessoryText) :
+  TableViewCell(),
+  m_labelTextView(BufferTextView(KDText::FontSize::Large, 0.0f, 0.5f, KDColorBlack, KDColorWhite)),
+  m_accessoryView(PointerTextView(KDText::FontSize::Small, accessoryText, 0.0f, 0.5f, KDColorBlack, KDColorWhite))
+{
+}
+
+void TextBufferMenuListCell::setHighlighted(bool highlight) {
+  TableViewCell::setHighlighted(highlight);
+  KDColor backgroundColor = highlight? Palette::Select : KDColorWhite;
+  m_labelTextView.setBackgroundColor(backgroundColor);
+  m_accessoryView.setBackgroundColor(backgroundColor);
+}
+
+void TextBufferMenuListCell::setText(const char * text) {
+  m_labelTextView.setText(text);
+}
+
+void TextBufferMenuListCell::setAccessoryText(const char * text) {
+  m_accessoryView.setText(text);
+}
+
+void TextBufferMenuListCell::drawRect(KDContext * ctx, KDRect rect) const {
+  KDCoordinate width = bounds().width();
+  KDCoordinate height = bounds().height();
+  KDColor backgroundColor = isHighlighted() ? Palette::Select : KDColorWhite;
+
+  ctx->fillRect(KDRect(k_separatorThickness, k_separatorThickness, width-2*k_separatorThickness, height-k_separatorThickness), backgroundColor);
+  ctx->fillRect(KDRect(0, 0, width, k_separatorThickness), Palette::GreyBright);
+  ctx->fillRect(KDRect(0, k_separatorThickness, k_separatorThickness, height-k_separatorThickness), Palette::GreyBright);
+  ctx->fillRect(KDRect(width-k_separatorThickness, k_separatorThickness, k_separatorThickness, height-k_separatorThickness), Palette::GreyBright);
+ }
+
+int TextBufferMenuListCell::numberOfSubviews() const {
+  return 2;
+}
+
+View * TextBufferMenuListCell::subviewAtIndex(int index) {
+  assert(index == 0 || index == 1);
+  if (index == 0) {
+    return &m_labelTextView;
+  }
+  return &m_accessoryView;
+}
+
+void TextBufferMenuListCell::layoutSubviews() {
+  KDCoordinate width = bounds().width();
+  KDCoordinate height = bounds().height();
+  m_labelTextView.setFrame(KDRect(k_separatorThickness, k_separatorThickness, width, height/2 - k_separatorThickness));
+  m_accessoryView.setFrame(KDRect(k_separatorThickness, height/2, width, height/2 - k_separatorThickness));
+}