[apps/shared] Add Discard confirmation pop-up

Change-Id: Ida3878894090ecfa99145618b8e1ff0bbcb4743a

apps/apps_container.cpp

@@ -329,7 +329,7 @@ bool AppsContainer::updateAlphaLock() {
   return m_window.updateAlphaLock();
 }
 
-OnBoarding::PopUpController * AppsContainer::promptController() {
+OnBoarding::PromptController * AppsContainer::promptController() {
   if (k_promptNumberOfMessages == 0) {
     return nullptr;
   }

apps/apps_container.h

@@ -16,7 +16,7 @@
 #include "global_preferences.h"
 #include "backlight_dimming_timer.h"
 #include "shared/global_context.h"
-#include "on_boarding/pop_up_controller.h"
+#include "on_boarding/prompt_controller.h"
 
 #include <ion/events.h>
 
@@ -45,7 +45,7 @@ public:
   void displayExamModePopUp(GlobalPreferences::ExamMode mode);
   void shutdownDueToLowBattery();
   void setShiftAlphaStatus(Ion::Events::ShiftAlphaStatus newStatus);
-  OnBoarding::PopUpController * promptController();
+  OnBoarding::PromptController * promptController();
   void redrawWindow();
   void activateExamMode(GlobalPreferences::ExamMode examMode);
   // Exam pop-up controller delegate
@@ -72,7 +72,7 @@ private:
   MathToolbox m_mathToolbox;
   MathVariableBoxController m_variableBoxController;
   ExamPopUpController m_examPopUpController;
-  OnBoarding::PopUpController m_promptController;
+  OnBoarding::PromptController m_promptController;
   BatteryTimer m_batteryTimer;
   SuspendTimer m_suspendTimer;
   BacklightDimmingTimer m_backlightDimmingTimer;

apps/exam_pop_up_controller.cpp

@@ -1,13 +1,29 @@
 #include "exam_pop_up_controller.h"
 #include "apps_container.h"
 #include "exam_mode_configuration.h"
-#include <apps/i18n.h>
-#include "global_preferences.h"
 #include <assert.h>
 
 ExamPopUpController::ExamPopUpController(ExamPopUpControllerDelegate * delegate) :
-  ViewController(nullptr),
-  m_contentView(this),
+  PopUpController(
+    k_numberOfLines,
+    Invocation(
+      [](void * context, void * sender) {
+        ExamPopUpController * controller = (ExamPopUpController *)context;
+        GlobalPreferences::ExamMode mode = controller->targetExamMode();
+        assert(mode != GlobalPreferences::ExamMode::Unknown);
+        GlobalPreferences::sharedGlobalPreferences()->setExamMode(mode);
+        AppsContainer * container = AppsContainer::sharedAppsContainer();
+        if (mode == GlobalPreferences::ExamMode::Off) {
+          Ion::LED::setColor(KDColorBlack);
+          Ion::LED::updateColorWithPlugAndCharge();
+        } else {
+          container->activateExamMode(mode);
+        }
+        container->refreshPreferences();
+        Container::activeApp()->dismissModalViewController();
+        return true;
+      }, this)
+  ),
   m_targetExamMode(GlobalPreferences::ExamMode::Unknown),
   m_delegate(delegate)
 {
@@ -15,11 +31,9 @@ ExamPopUpController::ExamPopUpController(ExamPopUpControllerDelegate * delegate)
 
 void ExamPopUpController::setTargetExamMode(GlobalPreferences::ExamMode mode) {
   m_targetExamMode = mode;
-  m_contentView.setMessagesForExamMode(mode);
-}
-
-View * ExamPopUpController::view() {
-  return &m_contentView;
+  for (int i = 0; i < k_numberOfLines; i++) {
+    m_contentView.setMessage(i, ExamModeConfiguration::examModeActivationWarningMessage(mode, i));
+  }
 }
 
 void ExamPopUpController::viewDidDisappear() {
@@ -27,103 +41,3 @@ void ExamPopUpController::viewDidDisappear() {
     m_delegate->examDeactivatingPopUpIsDismissed();
   }
 }
-
-void ExamPopUpController::didBecomeFirstResponder() {
-  m_contentView.setSelectedButton(0);
-}
-
-bool ExamPopUpController::handleEvent(Ion::Events::Event event) {
-  if (event == Ion::Events::Left && m_contentView.selectedButton() == 1) {
-    m_contentView.setSelectedButton(0);
-    return true;
-  }
-  if (event == Ion::Events::Right && m_contentView.selectedButton() == 0) {
-    m_contentView.setSelectedButton(1);
-    return true;
-  }
-  return false;
-}
-
-ExamPopUpController::ContentView::ContentView(Responder * parentResponder) :
-  m_cancelButton(parentResponder, I18n::Message::Cancel, Invocation([](void * context, void * sender) {
-    Container::activeApp()->dismissModalViewController();
-    return true;
-  }, parentResponder), KDFont::SmallFont),
-  m_okButton(parentResponder, I18n::Message::Ok, Invocation([](void * context, void * sender) {
-    ExamPopUpController * controller = (ExamPopUpController *)context;
-    GlobalPreferences::ExamMode mode = controller->targetExamMode();
-    assert(mode != GlobalPreferences::ExamMode::Unknown);
-    GlobalPreferences::sharedGlobalPreferences()->setExamMode(mode);
-    AppsContainer * container = AppsContainer::sharedAppsContainer();
-    if (mode == GlobalPreferences::ExamMode::Off) {
-      Ion::LED::setColor(KDColorBlack);
-      Ion::LED::updateColorWithPlugAndCharge();
-    } else {
-      container->activateExamMode(mode);
-    }
-    container->refreshPreferences();
-    Container::activeApp()->dismissModalViewController();
-    return true;
-  }, parentResponder), KDFont::SmallFont),
-  m_warningTextView(KDFont::SmallFont, I18n::Message::Warning, 0.5, 0.5, KDColorWhite, KDColorBlack),
-  m_messageTextViews{}
-{
-  for (int i = 0; i < k_maxNumberOfLines; i++) {
-    m_messageTextViews[i].setFont(KDFont::SmallFont);
-    m_messageTextViews[i].setAlignment(0.5f, 0.5f);
-    m_messageTextViews[i].setBackgroundColor(KDColorBlack);
-    m_messageTextViews[i].setTextColor(KDColorWhite);
-  }
-}
-
-void ExamPopUpController::ContentView::drawRect(KDContext * ctx, KDRect rect) const {
-  ctx->fillRect(bounds(), KDColorBlack);
-}
-
-void ExamPopUpController::ContentView::setSelectedButton(int selectedButton) {
-  m_cancelButton.setHighlighted(selectedButton == 0);
-  m_okButton.setHighlighted(selectedButton == 1);
-  Container::activeApp()->setFirstResponder(selectedButton == 0 ? &m_cancelButton : &m_okButton);
-}
-
-int ExamPopUpController::ContentView::selectedButton() {
-  if (m_cancelButton.isHighlighted()) {
-    return 0;
-  }
-  return 1;
-}
-
-void ExamPopUpController::ContentView::setMessagesForExamMode(GlobalPreferences::ExamMode mode) {
-  for (int i = 0; i < k_maxNumberOfLines; i++) {
-    m_messageTextViews[i].setMessage(ExamModeConfiguration::examModeActivationWarningMessage(mode, i));
-  }
-}
-
-int ExamPopUpController::ContentView::numberOfSubviews() const {
-  return 6;
-}
-
-View * ExamPopUpController::ContentView::subviewAtIndex(int index) {
-  switch (index) {
-    case 0:
-      return &m_warningTextView;
-    case 4:
-      return &m_cancelButton;
-    case 5:
-      return &m_okButton;
-    default:
-      return &m_messageTextViews[index-1];
-  }
-}
-
-void ExamPopUpController::ContentView::layoutSubviews(bool force) {
-  KDCoordinate height = bounds().height();
-  KDCoordinate width = bounds().width();
-  KDCoordinate textHeight = KDFont::SmallFont->glyphSize().height();
-  m_warningTextView.setFrame(KDRect(0, k_topMargin, width, textHeight), force);
-  for (int i = 0; i < k_maxNumberOfLines; i++) {
-    m_messageTextViews[i].setFrame(KDRect(0, k_topMargin+k_paragraphHeight+(i+1)*textHeight, width, textHeight), force);
-  }
-  m_cancelButton.setFrame(KDRect(k_buttonMargin, height-k_buttonMargin-k_buttonHeight, (width-3*k_buttonMargin)/2, k_buttonHeight), force);
-  m_okButton.setFrame(KDRect(2*k_buttonMargin+(width-3*k_buttonMargin)/2, height-k_buttonMargin-k_buttonHeight, (width-3*k_buttonMargin)/2, k_buttonHeight), force);
-}

apps/exam_pop_up_controller.h

@@ -1,53 +1,20 @@
 #ifndef APPS_EXAM_POP_UP_CONTROLLER_H
 #define APPS_EXAM_POP_UP_CONTROLLER_H
 
-#include <escher.h>
+#include <escher/pop_up_controller.h>
 #include "exam_pop_up_controller_delegate.h"
 #include "global_preferences.h"
 
-class HighContrastButton : public Button {
-public:
-  using Button::Button;
-  KDColor highlightedBackgroundColor() const override { return Palette::YellowDark; }
-};
-
-class ExamPopUpController : public ViewController {
+class ExamPopUpController : public PopUpController {
 public:
   ExamPopUpController(ExamPopUpControllerDelegate * delegate);
   void setTargetExamMode(GlobalPreferences::ExamMode mode);
   GlobalPreferences::ExamMode targetExamMode() const { return m_targetExamMode; }
-  // View Controller
-  View * view() override;
   void viewDidDisappear() override;
-  // Responder
-  void didBecomeFirstResponder() override;
-  bool handleEvent(Ion::Events::Event event) override;
 private:
-  class ContentView : public View {
-  public:
-    ContentView(Responder * parentResponder);
-    void drawRect(KDContext * ctx, KDRect rect) const override;
-    void setSelectedButton(int selectedButton);
-    int selectedButton();
-    void setMessagesForExamMode(GlobalPreferences::ExamMode mode);
-  private:
-    constexpr static KDCoordinate k_buttonMargin = 10;
-    constexpr static KDCoordinate k_buttonHeight = 20;
-    constexpr static KDCoordinate k_topMargin = 12;
-    constexpr static KDCoordinate k_paragraphHeight = 20;
-    int numberOfSubviews() const override;
-    View * subviewAtIndex(int index) override;
-    void layoutSubviews(bool force = false) override;
-    HighContrastButton m_cancelButton;
-    HighContrastButton m_okButton;
-    MessageTextView m_warningTextView;
-    constexpr static int k_maxNumberOfLines = 3;
-    MessageTextView m_messageTextViews[k_maxNumberOfLines];
-  };
-  ContentView m_contentView;
+  constexpr static int k_numberOfLines = 3;
   GlobalPreferences::ExamMode m_targetExamMode;
   ExamPopUpControllerDelegate * m_delegate;
 };
 
 #endif
-

apps/hardware_test/pop_up_controller.cpp

@@ -1,116 +1,25 @@
 #include "pop_up_controller.h"
-#include <apps/i18n.h>
 #include "../apps_container.h"
-#include <assert.h>
-#include <escher/app.h>
 
 namespace HardwareTest {
 
 PopUpController::PopUpController() :
-  ViewController(nullptr),
-  m_contentView(this)
+  ::PopUpController(
+    4,
+    Invocation(
+      [](void * context, void * sender) {
+        AppsContainer * appsContainer = AppsContainer::sharedAppsContainer();
+        bool switched = appsContainer->switchTo(appsContainer->hardwareTestAppSnapshot());
+        assert(switched);
+        (void) switched; // Silence compilation warning about unused variable.
+        return true;
+      }, this)
+  )
 {
-}
-
-View * PopUpController::view() {
-  return &m_contentView;
-}
-
-void PopUpController::didBecomeFirstResponder() {
-  m_contentView.setSelectedButton(0);
-}
-
-bool PopUpController::handleEvent(Ion::Events::Event event) {
-  if (event == Ion::Events::Left && m_contentView.selectedButton() == 1) {
-    m_contentView.setSelectedButton(0);
-    return true;
-  }
-  if (event == Ion::Events::Right && m_contentView.selectedButton() == 0) {
-    m_contentView.setSelectedButton(1);
-    return true;
-  }
-  return false;
-}
-
-PopUpController::ContentView::ContentView(Responder * parentResponder) :
-  Responder(parentResponder),
-  m_cancelButton(this, I18n::Message::Cancel, Invocation([](void * context, void * sender) {
-    Container::activeApp()->dismissModalViewController();
-    return true;
-  }, this), KDFont::SmallFont),
-  m_okButton(this, I18n::Message::Ok, Invocation([](void * context, void * sender) {
-    AppsContainer * appsContainer = AppsContainer::sharedAppsContainer();
-    bool switched = appsContainer->switchTo(appsContainer->hardwareTestAppSnapshot());
-    assert(switched);
-    (void) switched; // Silence compilation warning about unused variable.
-    return true;
-  }, this), KDFont::SmallFont),
-  m_warningTextView(KDFont::SmallFont, I18n::Message::Warning, 0.5, 0.5, KDColorWhite, KDColorBlack),
-  m_messageTextView1(KDFont::SmallFont, I18n::Message::HardwareTestLaunch1, 0.5, 0.5, KDColorWhite, KDColorBlack),
-  m_messageTextView2(KDFont::SmallFont, I18n::Message::HardwareTestLaunch2, 0.5, 0.5, KDColorWhite, KDColorBlack),
-  m_messageTextView3(KDFont::SmallFont, I18n::Message::HardwareTestLaunch3, 0.5, 0.5, KDColorWhite, KDColorBlack),
-  m_messageTextView4(KDFont::SmallFont, I18n::Message::HardwareTestLaunch4, 0.5, 0.5, KDColorWhite, KDColorBlack)
-{
-}
-
-void PopUpController::ContentView::drawRect(KDContext * ctx, KDRect rect) const {
-  ctx->fillRect(bounds(), KDColorBlack);
-}
-
-void PopUpController::ContentView::setSelectedButton(int selectedButton) {
-  m_cancelButton.setHighlighted(selectedButton == 0);
-  m_okButton.setHighlighted(selectedButton == 1);
-  if (selectedButton == 0) {
-    Container::activeApp()->setFirstResponder(&m_cancelButton);
-  } else {
-    Container::activeApp()->setFirstResponder(&m_okButton);
-  }
-}
-
-int PopUpController::ContentView::selectedButton() {
-  if (m_cancelButton.isHighlighted()) {
-    return 0;
-  }
-  return 1;
-}
-
-int PopUpController::ContentView::numberOfSubviews() const {
-  return 7;
-}
-
-View * PopUpController::ContentView::subviewAtIndex(int index) {
-  switch (index) {
-    case 0:
-      return &m_warningTextView;
-    case 1:
-      return &m_messageTextView1;
-    case 2:
-      return &m_messageTextView2;
-    case 3:
-      return &m_messageTextView3;
-    case 4:
-      return &m_messageTextView4;
-    case 5:
-      return &m_cancelButton;
-    case 6:
-      return &m_okButton;
-    default:
-      assert(false);
-      return nullptr;
-  }
-}
-
-void PopUpController::ContentView::layoutSubviews(bool force) {
-  KDCoordinate height = bounds().height();
-  KDCoordinate width = bounds().width();
-  KDCoordinate textHeight = KDFont::SmallFont->glyphSize().height();
-  m_warningTextView.setFrame(KDRect(0, k_topMargin, width, textHeight), force);
-  m_messageTextView1.setFrame(KDRect(0, k_topMargin+k_paragraphHeight+textHeight, width, textHeight), force);
-  m_messageTextView2.setFrame(KDRect(0, k_topMargin+k_paragraphHeight+2*textHeight, width, textHeight), force);
-  m_messageTextView3.setFrame(KDRect(0, k_topMargin+k_paragraphHeight+3*textHeight, width, textHeight), force);
-  m_messageTextView4.setFrame(KDRect(0, k_topMargin+k_paragraphHeight+4*textHeight, width, textHeight), force);
-  m_cancelButton.setFrame(KDRect(k_buttonMargin, height-k_buttonMargin-k_buttonHeight, (width-3*k_buttonMargin)/2, k_buttonHeight), force);
-  m_okButton.setFrame(KDRect(2*k_buttonMargin+(width-3*k_buttonMargin)/2, height-k_buttonMargin-k_buttonHeight, (width-3*k_buttonMargin)/2, k_buttonHeight), force);
+  m_contentView.setMessage(0, I18n::Message::HardwareTestLaunch1);
+  m_contentView.setMessage(1, I18n::Message::HardwareTestLaunch2);
+  m_contentView.setMessage(2, I18n::Message::HardwareTestLaunch3);
+  m_contentView.setMessage(3, I18n::Message::HardwareTestLaunch4);
 }
 
 }

apps/hardware_test/pop_up_controller.h

@@ -1,43 +1,15 @@
-#ifndef HARDWARE_TEST_POP_UP_CONTROLLER_H
-#define HARDWARE_TEST_POP_UP_CONTROLLER_H
+#ifndef POP_UP_CONTROLLER_H
+#define POP_UP_CONTROLLER_H
 
-#include <escher.h>
+#include <escher/pop_up_controller.h>
 
 namespace HardwareTest {
 
-class PopUpController : public ViewController {
+class PopUpController : public ::PopUpController {
 public:
   PopUpController();
-  View * view() override;
-  void didBecomeFirstResponder() override;
-  bool handleEvent(Ion::Events::Event event) override;
-private:
-  class ContentView : public View, public Responder {
-  public:
-    ContentView(Responder * parentResponder);
-    void drawRect(KDContext * ctx, KDRect rect) const override;
-    void setSelectedButton(int selectedButton);
-    int selectedButton();
-  private:
-    constexpr static KDCoordinate k_buttonMargin = 10;
-    constexpr static KDCoordinate k_buttonHeight = 20;
-    constexpr static KDCoordinate k_topMargin = 8;
-    constexpr static KDCoordinate k_paragraphHeight = 20;
-    int numberOfSubviews() const override;
-    View * subviewAtIndex(int index) override;
-    void layoutSubviews(bool force = false) override;
-    Button m_cancelButton;
-    Button m_okButton;
-    MessageTextView m_warningTextView;
-    MessageTextView m_messageTextView1;
-    MessageTextView m_messageTextView2;
-    MessageTextView m_messageTextView3;
-    MessageTextView m_messageTextView4;
-  };
-  ContentView m_contentView;
 };
 
 }
 
 #endif
-

apps/on_boarding/Makefile

@@ -3,7 +3,7 @@ app_on_boarding_src = $(addprefix apps/on_boarding/,\
   logo_controller.cpp \
   logo_view.cpp \
   localization_controller.cpp \
-  pop_up_controller.cpp \
+  prompt_controller.cpp \
   power_on_self_test.cpp \
 )
 

apps/on_boarding/prompt_controller.cpp

@@ -1,21 +1,21 @@
-#include "pop_up_controller.h"
+#include "prompt_controller.h"
 #include "../apps_container.h"
 #include <assert.h>
 
 namespace OnBoarding {
 
-PopUpController::MessageViewWithSkip::MessageViewWithSkip(I18n::Message * messages, KDColor * colors, uint8_t numberOfMessages) :
+PromptController::MessageViewWithSkip::MessageViewWithSkip(I18n::Message * messages, KDColor * colors, uint8_t numberOfMessages) :
   MessageView(messages, colors, numberOfMessages),
   m_skipView(KDFont::SmallFont, I18n::Message::Skip, 1.0f, 0.5f),
   m_okView()
 {
 }
 
-int PopUpController::MessageViewWithSkip::numberOfSubviews() const {
+int PromptController::MessageViewWithSkip::numberOfSubviews() const {
  return MessageView::numberOfSubviews() + 2;
 }
 
-View * PopUpController::MessageViewWithSkip::subviewAtIndex(int index) {
+View * PromptController::MessageViewWithSkip::subviewAtIndex(int index) {
   uint8_t numberOfMainMessages = MessageView::numberOfSubviews();
   if (index < numberOfMainMessages) {
     return MessageView::subviewAtIndex(index);
@@ -30,7 +30,7 @@ View * PopUpController::MessageViewWithSkip::subviewAtIndex(int index) {
   return nullptr;
 }
 
-void PopUpController::MessageViewWithSkip::layoutSubviews(bool force) {
+void PromptController::MessageViewWithSkip::layoutSubviews(bool force) {
   // Layout the main message
   MessageView::layoutSubviews();
   // Layout the "skip (OK)"
@@ -42,13 +42,13 @@ void PopUpController::MessageViewWithSkip::layoutSubviews(bool force) {
   m_okView.setFrame(KDRect(width - okSize.width()-k_okMargin, height-okSize.height()-k_okMargin, okSize), force);
 }
 
-PopUpController::PopUpController(I18n::Message * messages, KDColor * colors, uint8_t numberOfMessages) :
+PromptController::PromptController(I18n::Message * messages, KDColor * colors, uint8_t numberOfMessages) :
   ViewController(nullptr),
   m_messageViewWithSkip(messages, colors, numberOfMessages)
 {
 }
 
-bool PopUpController::handleEvent(Ion::Events::Event event) {
+bool PromptController::handleEvent(Ion::Events::Event event) {
   if (event != Ion::Events::Back && event != Ion::Events::OnOff && event != Ion::Events::USBPlug && event != Ion::Events::USBEnumeration) {
     Container::activeApp()->dismissModalViewController();
     AppsContainer * appsContainer = AppsContainer::sharedAppsContainer();

apps/on_boarding/prompt_controller.h

@@ -1,5 +1,5 @@
-#ifndef ON_BOARDING_POP_UP_CONTROLLER_H
-#define ON_BOARDING_POP_UP_CONTROLLER_H
+#ifndef ON_PROMPT_CONTROLLER_H
+#define ON_PROMPT_CONTROLLER_H
 
 #include <escher.h>
 #include <apps/i18n.h>
@@ -8,9 +8,9 @@
 
 namespace OnBoarding {
 
-class PopUpController : public ViewController {
+class PromptController : public ViewController {
 public:
-  PopUpController(I18n::Message * messages, KDColor * colors, uint8_t numberOfMessages);
+  PromptController(I18n::Message * messages, KDColor * colors, uint8_t numberOfMessages);
   View * view() override { return &m_messageViewWithSkip; }
   bool handleEvent(Ion::Events::Event event) override;
 private:
@@ -34,4 +34,3 @@ private:
 }
 
 #endif
-

apps/shared.de.i18n

@@ -11,6 +11,8 @@ Axis = "Achse"
 Cancel = "Abbrechen"
 ClearColumn = "Spalte löschen"
 ColumnOptions = "Optionen der Spalte"
+ConfirmDiscard1 = "Alle Änderungen werden verworfen"
+ConfirmDiscard2 = ""
 CopyColumnInList = "Die Spalte in einer Liste kopieren"
 Country = "Land"
 CountryCA = "Kanada "

apps/shared.en.i18n

@@ -11,6 +11,8 @@ Axis = "Axes"
 Cancel = "Cancel"
 ClearColumn = "Clear column"
 ColumnOptions = "Column options"
+ConfirmDiscard1 = "All changes will be discarded"
+ConfirmDiscard2 = ""
 CopyColumnInList = "Export the column to a list"
 Country = "Country"
 CountryCA = "Canada "

apps/shared.es.i18n

@@ -11,6 +11,8 @@ Axis = "Ejes"
 Cancel = "Cancelar"
 ClearColumn = "Borrar la columna"
 ColumnOptions = "Opciones de la columna"
+ConfirmDiscard1 = "Se perderán todos los cambios"
+ConfirmDiscard2 = ""
 CopyColumnInList = "Copiar la columna en una lista"
 Country = "País"
 CountryCA = "Canadá "

apps/shared.fr.i18n

@@ -11,6 +11,8 @@ Axis = "Axes"
 Cancel = "Annuler"
 ClearColumn = "Effacer la colonne"
 ColumnOptions = "Options de la colonne"
+ConfirmDiscard1 = "Toutes les modifications apportées"
+ConfirmDiscard2 = "seront perdues"
 CopyColumnInList = "Copier la colonne dans une liste"
 Country = "Pays"
 CountryCA = "Canada "

apps/shared.it.i18n

@@ -11,6 +11,8 @@ Axis = "Assi"
 Cancel = "Annullare"
 ClearColumn = "Cancella la colonna"
 ColumnOptions = "Opzioni colonna"
+ConfirmDiscard1 = "Tutte le modifiche verranno perse"
+ConfirmDiscard2 = ""
 CopyColumnInList = "Copia colonna in una lista"
 Country = "Paese"
 CountryCA = "Canada "

apps/shared.nl.i18n

@@ -11,6 +11,8 @@ Axis = "Assen"
 Cancel = "Annuleer"
 ClearColumn = "Wis kolom"
 ColumnOptions = "Kolomopties"
+ConfirmDiscard1 = "Alle wijzigingen worden verwijderd"
+ConfirmDiscard2 = ""
 CopyColumnInList = "Exporteer de kolom naar een lijst"
 Country = "Land"
 CountryCA = "Canada "

apps/shared.pt.i18n

@@ -11,6 +11,8 @@ Axis = "Eixos"
 Cancel = "Cancelar"
 ClearColumn = "Excluir coluna"
 ColumnOptions = "Opções de coluna"
+ConfirmDiscard1 = "Todas as alterações serão perdidas"
+ConfirmDiscard2 = ""
 CopyColumnInList = "Copiar a coluna para uma lista"
 Country = "País"
 CountryCA = "Canadá "

apps/shared/Makefile

@@ -59,6 +59,7 @@ app_shared_src = $(addprefix apps/shared/,\
   message_view.cpp \
   ok_view.cpp \
   parameter_text_field_delegate.cpp \
+  discard_pop_up_controller.cpp \
   post_and_hardware_tests.cpp \
   range_parameter_controller.cpp \
   regular_table_view_data_source.cpp \

apps/shared/discard_pop_up_controller.cpp

@@ -0,0 +1,12 @@
+#include "discard_pop_up_controller.h"
+
+namespace Shared {
+
+DiscardPopUpController::DiscardPopUpController(Invocation OkInvocation) :
+  PopUpController(2, OkInvocation)
+{
+  m_contentView.setMessage(0, I18n::Message::ConfirmDiscard1);
+  m_contentView.setMessage(1, I18n::Message::ConfirmDiscard2);
+}
+
+}

apps/shared/discard_pop_up_controller.h

@@ -0,0 +1,15 @@
+#ifndef SHARED_DISCARD_POP_UP_CONTROLLER_H
+#define SHARED_DISCARD_POP_UP_CONTROLLER_H
+
+#include <escher/pop_up_controller.h>
+
+namespace Shared {
+
+class DiscardPopUpController : public PopUpController {
+public:
+  DiscardPopUpController(Invocation OkInvocation);
+};
+
+}
+
+#endif

escher/Makefile

@@ -51,6 +51,7 @@ escher_src += $(addprefix escher/src/,\
   nested_menu_controller.cpp \
   palette.cpp \
   pointer_text_view.cpp \
+  pop_up_controller.cpp \
   responder.cpp \
   run_loop.cpp \
   scroll_view.cpp \

escher/include/escher/pop_up_controller.h

@@ -0,0 +1,46 @@
+#ifndef ESCHER_POP_UP_CONTROLLER_H
+#define ESCHER_POP_UP_CONTROLLER_H
+
+#include <escher/invocation.h>
+#include <apps/i18n.h>
+
+
+class HighContrastButton : public Button {
+public:
+  using Button::Button;
+  KDColor highlightedBackgroundColor() const override { return Palette::YellowDark; }
+};
+
+class PopUpController : public ViewController {
+public:
+  PopUpController(int numberOfLines, Invocation OkInvocation);
+  View * view() override;
+  void didBecomeFirstResponder() override;
+  bool handleEvent(Ion::Events::Event event) override;
+protected:
+  class ContentView : public View, public Responder {
+  public:
+    ContentView(Responder * parentResponder, int numberOfLines, Invocation okInvocation);
+    void drawRect(KDContext * ctx, KDRect rect) const override { ctx->fillRect(bounds(), KDColorBlack); }
+    void setSelectedButton(int selectedButton);
+    int selectedButton();
+    void setMessage(int index, I18n::Message message);
+  private:
+    constexpr static KDCoordinate k_buttonMargin = 10;
+    constexpr static KDCoordinate k_buttonHeight = 20;
+    constexpr static KDCoordinate k_topMargin = 8;
+    constexpr static KDCoordinate k_paragraphHeight = 20;
+    int numberOfSubviews() const override;
+    View * subviewAtIndex(int index) override;
+    void layoutSubviews(bool force = false) override;
+    HighContrastButton m_cancelButton;
+    HighContrastButton m_okButton;
+    MessageTextView m_warningTextView;
+    const int m_numberOfLines;
+    constexpr static int k_maxNumberOfLines = 4;
+    MessageTextView m_messageTextViews[k_maxNumberOfLines];
+  };
+  ContentView m_contentView;
+};
+
+#endif

escher/src/pop_up_controller.cpp

@@ -0,0 +1,107 @@
+#include <escher/pop_up_controller.h>
+#include <assert.h>
+
+PopUpController::PopUpController(int numberOfLines, Invocation OkInvocation) :
+  ViewController(nullptr),
+  m_contentView(this, numberOfLines, OkInvocation)
+{
+}
+
+View * PopUpController::view() {
+  return &m_contentView;
+}
+
+void PopUpController::didBecomeFirstResponder() {
+  m_contentView.setSelectedButton(0);
+}
+
+bool PopUpController::handleEvent(Ion::Events::Event event) {
+  if (event == Ion::Events::Left && m_contentView.selectedButton() == 1) {
+    m_contentView.setSelectedButton(0);
+    return true;
+  }
+  if (event == Ion::Events::Right && m_contentView.selectedButton() == 0) {
+    m_contentView.setSelectedButton(1);
+    return true;
+  }
+  return false;
+}
+
+PopUpController::ContentView::ContentView(Responder * parentResponder, int numberOfLines, Invocation okInvocation) :
+  Responder(parentResponder),
+  m_cancelButton(
+    this, I18n::Message::Cancel,
+    Invocation(
+      [](void * context, void * sender) {
+        Container::activeApp()->dismissModalViewController();
+        return true;
+      }, this),
+    KDFont::SmallFont),
+  m_okButton(this, I18n::Message::Ok, okInvocation, KDFont::SmallFont),
+  m_warningTextView(KDFont::SmallFont, I18n::Message::Warning, 0.5, 0.5, KDColorWhite, KDColorBlack),
+  m_numberOfLines(numberOfLines),
+  m_messageTextViews{}
+{
+  assert(m_numberOfLines <= k_maxNumberOfLines && m_numberOfLines >= 0);
+  for (int i = 0; i < m_numberOfLines; i++) {
+    m_messageTextViews[i].setFont(KDFont::SmallFont);
+    m_messageTextViews[i].setAlignment(0.5f, 0.5f);
+    m_messageTextViews[i].setBackgroundColor(KDColorBlack);
+    m_messageTextViews[i].setTextColor(KDColorWhite);
+  }
+}
+
+void PopUpController::ContentView::setSelectedButton(int selectedButton) {
+  m_cancelButton.setHighlighted(selectedButton == 0);
+  m_okButton.setHighlighted(selectedButton == 1);
+  Container::activeApp()->setFirstResponder(selectedButton == 0 ? &m_cancelButton : &m_okButton);
+}
+
+int PopUpController::ContentView::selectedButton() {
+  return m_cancelButton.isHighlighted() ? 0 : 1;
+}
+
+void PopUpController::ContentView::setMessage(int index, I18n::Message message) {
+  assert(index >=0 && index < m_numberOfLines);
+  m_messageTextViews[index].setMessage(message);
+}
+
+int PopUpController::ContentView::numberOfSubviews() const {
+  // MessageTextViews + WarningTextView + CancelButton + OkButton
+  return m_numberOfLines + 3;
+}
+
+View * PopUpController::ContentView::subviewAtIndex(int index) {
+  int totalSubviews = numberOfSubviews();
+  if (index < 0 || index >= totalSubviews) {
+    assert(false);
+    return nullptr;
+  }
+  if (index == 0) {
+    return &m_warningTextView;
+  }
+  if (index == totalSubviews - 2) {
+    return &m_cancelButton;
+  }
+  if (index == totalSubviews - 1) {
+    return &m_okButton;
+  }
+  return &m_messageTextViews[index-1];
+}
+
+void PopUpController::ContentView::layoutSubviews(bool force) {
+  KDCoordinate height = bounds().height();
+  KDCoordinate width = bounds().width();
+  KDCoordinate textHeight = KDFont::SmallFont->glyphSize().height();
+  m_warningTextView.setFrame(KDRect(0, k_topMargin, width, textHeight), force);
+
+  // Offset to center text vertically
+  const int offset = (k_maxNumberOfLines - m_numberOfLines) / 2;
+
+  for (int i = 0; i < m_numberOfLines; i++) {
+    m_messageTextViews[i].setFrame(KDRect(0, k_topMargin + k_paragraphHeight + (i + 1 + offset) * textHeight, width, textHeight), force);
+  }
+
+  m_cancelButton.setFrame(KDRect(k_buttonMargin, height - k_buttonMargin - k_buttonHeight, (width - 3 * k_buttonMargin) / 2, k_buttonHeight), force);
+  m_okButton.setFrame(KDRect(2 * k_buttonMargin + (width - 3 * k_buttonMargin) / 2, height - k_buttonMargin - k_buttonHeight, (width - 3 * k_buttonMargin) / 2, k_buttonHeight), force);
+}