[apps/graph/values] Create a parameter page to configure the abscissa

column

Change-Id: I69bad8037ece0c421a96fe8b190146f23912ca90

apps/graph/Makefile

@@ -12,6 +12,7 @@ app_objs += $(addprefix apps/graph/,\
   list/function_name_view.o\
   list/list_controller.o\
   list/parameter_controller.o\
+  values/abscissa_parameter_controller.o\
   values/function_title_cell.o\
   values/interval.o\
   values/title_cell.o\

apps/graph/values/abscissa_parameter_controller.cpp

@@ -0,0 +1,76 @@
+#include "abscissa_parameter_controller.h"
+#include <assert.h>
+
+namespace Graph {
+
+AbscissaParameterController::AbscissaParameterController(Responder * parentResponder) :
+  ViewController(parentResponder),
+  m_deleteColumn(ListViewCell((char*)"Effacer la colonne")),
+  m_copyColumn(ListViewCell((char*)"Copier la colonne dans une liste")),
+  m_setInterval(ListViewCell((char*)"Regler l'intervalle")),
+  m_listView(ListView(this,Metric::TopMargin, Metric::RightMargin,
+    Metric::BottomMargin, Metric::LeftMargin)),
+  m_activeCell(0)
+{
+}
+
+const char * AbscissaParameterController::title() const {
+  return "Colonne x";
+}
+
+View * AbscissaParameterController::view() {
+  return &m_listView;
+}
+
+void AbscissaParameterController::didBecomeFirstResponder() {
+  setActiveCell(m_activeCell);
+}
+
+void AbscissaParameterController::setActiveCell(int index) {
+  if (index < 0 || index >= k_totalNumberOfCell) {
+    return;
+  }
+  ListViewCell * previousCell = (ListViewCell *)(m_listView.cellAtIndex(m_activeCell));
+  previousCell->setHighlighted(false);
+
+  m_activeCell = index;
+  m_listView.scrollToRow(index);
+  ListViewCell * cell = (ListViewCell *)(m_listView.cellAtIndex(index));
+  cell->setHighlighted(true);
+}
+
+bool AbscissaParameterController::handleEvent(Ion::Events::Event event) {
+  switch (event) {
+    case Ion::Events::Event::DOWN_ARROW:
+      setActiveCell(m_activeCell+1);
+      return true;
+    case Ion::Events::Event::UP_ARROW:
+      setActiveCell(m_activeCell-1);
+      return true;
+    case Ion::Events::Event::ENTER:
+      return true;
+    default:
+      return false;
+  }
+}
+
+int AbscissaParameterController::numberOfRows() {
+  return k_totalNumberOfCell;
+};
+
+View * AbscissaParameterController::reusableCell(int index) {
+  assert(index >= 0);
+  assert(index < k_totalNumberOfCell);
+  View * cells[] = {&m_deleteColumn, &m_copyColumn, &m_setInterval};
+  return cells[index];
+}
+
+int AbscissaParameterController::reusableCellCount() {
+  return k_totalNumberOfCell;
+}
+
+KDCoordinate AbscissaParameterController::cellHeight() {
+  return 35;
+}
+
+}

apps/graph/values/abscissa_parameter_controller.h

@@ -0,0 +1,32 @@
+#ifndef GRAPH_ABSCISSA_PARAM_CONTROLLER_H
+#define GRAPH_ABSCISSA_PARAM_CONTROLLER_H
+
+#include <escher.h>
+
+namespace Graph {
+class AbscissaParameterController : public ViewController, public ListViewDataSource {
+public:
+  AbscissaParameterController(Responder * parentResponder);
+
+  View * view() override;
+  const char * title() const override;
+  bool handleEvent(Ion::Events::Event event) override;
+  void didBecomeFirstResponder() override;
+
+  void setActiveCell(int index);
+  int numberOfRows() override;
+  KDCoordinate cellHeight() override;
+  View * reusableCell(int index) override;
+  int reusableCellCount() override;
+private:
+  constexpr static int k_totalNumberOfCell = 3;
+  ListViewCell m_deleteColumn;
+  ListViewCell m_copyColumn;
+  ListViewCell m_setInterval;
+  ListView m_listView;
+  int m_activeCell;
+};
+
+}
+
+#endif