[apps/stats] Abstract multiple data view and controller

apps/statistics/multiple_data_view_controller.cpp

@@ -0,0 +1,109 @@
+#include "multiple_data_view_controller.h"
+#include "../i18n.h"
+#include <assert.h>
+
+using namespace Shared;
+
+namespace Statistics {
+
+MultipleDataViewController::MultipleDataViewController(Responder * parentResponder, Store * store, int * selectedBarIndex) :
+  ViewController(parentResponder),
+  m_store(store),
+  m_selectedSeries(-1),
+  m_selectedBarIndex(selectedBarIndex)
+{
+}
+
+MultipleDataView * MultipleDataViewController::multipleDataView() {
+  return static_cast<MultipleDataView *>(view());
+}
+
+bool MultipleDataViewController::isEmpty() const {
+  return m_store->isEmpty();
+}
+
+I18n::Message MultipleDataViewController::emptyMessage() {
+  return I18n::Message::NoDataToPlot;
+}
+
+Responder * MultipleDataViewController::defaultController() {
+  return tabController();
+}
+
+void MultipleDataViewController::viewWillAppear() {
+  multipleDataView()->setDisplayBanner(true);
+  if (m_selectedSeries < 0) {
+    m_selectedSeries = multipleDataView()->seriesOfSubviewAtIndex(0);
+    multipleDataView()->selectDataView(m_selectedSeries);
+  }
+  reloadBannerView();
+  multipleDataView()->reload();
+}
+
+bool MultipleDataViewController::handleEvent(Ion::Events::Event event) {
+  assert(m_selectedSeries >= 0);
+  if (event == Ion::Events::Down) {
+    int currentSelectedSubview = multipleDataView()->indexOfSubviewAtSeries(m_selectedSeries);
+    if (currentSelectedSubview < multipleDataView()->numberOfSubviews() - 2) {
+      multipleDataView()->deselectDataView(m_selectedSeries);
+      m_selectedSeries = multipleDataView()->seriesOfSubviewAtIndex(currentSelectedSubview+1);
+      *m_selectedBarIndex = 0;
+      multipleDataView()->selectDataView(m_selectedSeries);
+      reloadBannerView();
+      multipleDataView()->reload();
+      app()->setFirstResponder(this);
+      return true;
+    }
+    return false;
+  }
+  if (event == Ion::Events::Up) {
+    int currentSelectedSubview = multipleDataView()->indexOfSubviewAtSeries(m_selectedSeries);
+    if (currentSelectedSubview > 0) {
+      multipleDataView()->deselectDataView(m_selectedSeries);
+      assert(currentSelectedSubview > 0);
+      m_selectedSeries = multipleDataView()->seriesOfSubviewAtIndex(currentSelectedSubview-1);
+      multipleDataView()->selectDataView(m_selectedSeries);
+      *m_selectedBarIndex = 0;
+      app()->setFirstResponder(this);
+    } else {
+      app()->setFirstResponder(tabController());
+    }
+    reloadBannerView();
+    multipleDataView()->reload();
+    return true;
+  }
+  if (m_selectedSeries >= 0 && (event == Ion::Events::Left || event == Ion::Events::Right)) {
+    int direction = event == Ion::Events::Left ? -1 : 1;
+    if (moveSelectionHorizontally(direction)) {
+      reloadBannerView();
+      multipleDataView()->reload();
+    }
+    return true;
+  }
+  return false;
+}
+
+void MultipleDataViewController::didBecomeFirstResponder() {
+  multipleDataView()->setDisplayBanner(true);
+  if (m_selectedSeries < 0 || m_store->sumOfOccurrences(m_selectedSeries) == 0) {
+    if (m_selectedSeries >= 0) {
+      multipleDataView()->deselectDataView(m_selectedSeries);
+    }
+    m_selectedSeries = multipleDataView()->seriesOfSubviewAtIndex(0);
+    multipleDataView()->selectDataView(m_selectedSeries);
+    multipleDataView()->reload();
+  }
+}
+
+void MultipleDataViewController::willExitResponderChain(Responder * nextFirstResponder) {
+  if (nextFirstResponder == nullptr || nextFirstResponder == tabController()) {
+    if (m_selectedSeries >= 0) {
+      multipleDataView()->dataViewAtIndex(m_selectedSeries)->selectMainView(false);
+      m_selectedSeries = -1;
+      multipleDataView()->setDisplayBanner(false);
+    }
+    multipleDataView()->reload();
+  }
+}
+
+}