From 2b46148fab1e594fc55b17cf48d89323109b7faa Mon Sep 17 00:00:00 2001
From: Yuri Gorshenin <y@maps.me>
Date: Wed, 15 Mar 2017 15:56:53 +0300
Subject: [PATCH] [qt][search] Added view for search results.

---
 map/framework.cpp                             |   5 +-
 map/framework.hpp                             |   5 +-
 .../assessment_tool/CMakeLists.txt            |  10 +-
 ...assessment_tool.cc => assessment_tool.cpp} |   6 +-
 .../assessment_tool/helpers.cpp               |  13 +++
 .../assessment_tool/helpers.hpp               |  22 ++++
 .../assessment_tool/languages_list.cpp        |  21 ++++
 .../assessment_tool/languages_list.hpp        |  15 +++
 .../assessment_tool/main_model.cpp            |  43 +++++++
 .../assessment_tool/main_model.hpp            |  17 +++
 .../assessment_tool/main_view.cpp             |  99 ++++++++--------
 .../assessment_tool/main_view.hpp             |  24 ++--
 .../assessment_tool/sample_view.cpp           | 106 ++++++++++++++++++
 .../assessment_tool/sample_view.hpp           |  28 +++++
 .../assessment_tool/samples_view.cpp          |  29 +++++
 .../assessment_tool/samples_view.hpp          |  20 ++++
 .../search_quality/assessment_tool/view.hpp   |   2 +
 17 files changed, 398 insertions(+), 67 deletions(-)
 rename search/search_quality/assessment_tool/{assessment_tool.cc => assessment_tool.cpp} (95%)
 create mode 100644 search/search_quality/assessment_tool/helpers.cpp
 create mode 100644 search/search_quality/assessment_tool/helpers.hpp
 create mode 100644 search/search_quality/assessment_tool/languages_list.cpp
 create mode 100644 search/search_quality/assessment_tool/languages_list.hpp
 create mode 100644 search/search_quality/assessment_tool/sample_view.cpp
 create mode 100644 search/search_quality/assessment_tool/sample_view.hpp
 create mode 100644 search/search_quality/assessment_tool/samples_view.cpp
 create mode 100644 search/search_quality/assessment_tool/samples_view.hpp

diff --git a/map/framework.cpp b/map/framework.cpp
index 6094a12a64..1656ca4631 100644
--- a/map/framework.cpp
+++ b/map/framework.cpp
@@ -1089,9 +1089,10 @@ void Framework::SetVisibleViewport(m2::RectD const & rect)
   m_drapeEngine->SetVisibleViewport(rect);
 }
 
-void Framework::ShowRect(m2::RectD const & rect, int maxScale)
+void Framework::ShowRect(m2::RectD const & rect, int maxScale, bool animation)
 {
-  CallDrapeFunction(bind(&df::DrapeEngine::SetModelViewRect, _1, rect, true, maxScale, true));
+  CallDrapeFunction(bind(&df::DrapeEngine::SetModelViewRect, _1, rect, true /* applyRotation */,
+                         maxScale /* zoom */, animation));
 }
 
 void Framework::ShowRect(m2::AnyRectD const & rect)
diff --git a/map/framework.hpp b/map/framework.hpp
index 3c380674ae..5a85619b38 100644
--- a/map/framework.hpp
+++ b/map/framework.hpp
@@ -275,6 +275,9 @@ public:
 
   Index const & GetIndex() const { return m_model.GetIndex(); }
 
+  search::Engine & GetSearchEngine() { return *m_searchEngine; }
+  search::Engine const & GetSearchEngine() const { return *m_searchEngine; }
+
   /// @name Bookmarks, Tracks and other UserMarks
   //@{
   /// Scans and loads all kml files with bookmarks in WritableDir.
@@ -571,7 +574,7 @@ public:
   void SetVisibleViewport(m2::RectD const & rect);
 
   /// - Check minimal visible scale according to downloaded countries.
-  void ShowRect(m2::RectD const & rect, int maxScale = -1);
+  void ShowRect(m2::RectD const & rect, int maxScale = -1, bool animation = true);
   void ShowRect(m2::AnyRectD const & rect);
 
   void GetTouchRect(m2::PointD const & center, uint32_t pxRadius, m2::AnyRectD & rect);
diff --git a/search/search_quality/assessment_tool/CMakeLists.txt b/search/search_quality/assessment_tool/CMakeLists.txt
index 3509cf68d5..cf02271f0a 100644
--- a/search/search_quality/assessment_tool/CMakeLists.txt
+++ b/search/search_quality/assessment_tool/CMakeLists.txt
@@ -8,13 +8,21 @@ include_directories(${OMIM_ROOT}/3party/glm)
 
 set(
   SRC
-  assessment_tool.cc
+  assessment_tool.cpp
+  helpers.cpp
+  helpers.hpp
+  languages_list.cpp
+  languages_list.hpp
   main_model.cpp
   main_model.hpp
   main_model.hpp
   main_view.cpp
   main_view.hpp
   model.hpp
+  sample_view.cpp
+  sample_view.hpp
+  samples_view.cpp
+  samples_view.hpp
   view.hpp
 )
 
diff --git a/search/search_quality/assessment_tool/assessment_tool.cc b/search/search_quality/assessment_tool/assessment_tool.cpp
similarity index 95%
rename from search/search_quality/assessment_tool/assessment_tool.cc
rename to search/search_quality/assessment_tool/assessment_tool.cpp
index ca43dd37e8..8967b845b1 100644
--- a/search/search_quality/assessment_tool/assessment_tool.cc
+++ b/search/search_quality/assessment_tool/assessment_tool.cpp
@@ -14,10 +14,6 @@
 DEFINE_string(resources_path, "", "Path to resources directory");
 DEFINE_string(data_path, "", "Path to data directory");
 
-namespace
-{
-}  // namespace
-
 int main(int argc, char ** argv)
 {
   search::ChangeMaxNumberOfOpenFiles(search::kMaxOpenFiles);
@@ -36,7 +32,7 @@ int main(int argc, char ** argv)
 
   Framework framework;
   MainView view(framework);
-  MainModel model;
+  MainModel model(framework);
 
   model.SetView(view);
   view.SetModel(model);
diff --git a/search/search_quality/assessment_tool/helpers.cpp b/search/search_quality/assessment_tool/helpers.cpp
new file mode 100644
index 0000000000..fccfdc363a
--- /dev/null
+++ b/search/search_quality/assessment_tool/helpers.cpp
@@ -0,0 +1,13 @@
+#include "search/search_quality/assessment_tool/helpers.hpp"
+
+#include "base/string_utils.hpp"
+
+QString ToQString(strings::UniString const & s)
+{
+  return QString::fromUtf8(strings::ToUtf8(s).c_str());
+}
+
+QString ToQString(std::string const & s)
+{
+  return QString::fromUtf8(s.c_str());
+}
diff --git a/search/search_quality/assessment_tool/helpers.hpp b/search/search_quality/assessment_tool/helpers.hpp
new file mode 100644
index 0000000000..f72b873f1a
--- /dev/null
+++ b/search/search_quality/assessment_tool/helpers.hpp
@@ -0,0 +1,22 @@
+#pragma once
+
+#include <string>
+#include <utility>
+
+#include <QtCore/QString>
+
+namespace strings
+{
+class UniString;
+}
+
+QString ToQString(strings::UniString const & s);
+QString ToQString(std::string const & s);
+
+template <typename Layout, typename... Args>
+Layout * BuildLayoutWithoutMargins(Args &&... args)
+{
+  auto * layout = new Layout(std::forward<Args>(args)...);
+  layout->setContentsMargins(0 /* left */, 0 /* top */, 0 /* right */, 0 /* bottom */);
+  return layout;
+}
diff --git a/search/search_quality/assessment_tool/languages_list.cpp b/search/search_quality/assessment_tool/languages_list.cpp
new file mode 100644
index 0000000000..2812c42737
--- /dev/null
+++ b/search/search_quality/assessment_tool/languages_list.cpp
@@ -0,0 +1,21 @@
+#include "search/search_quality/assessment_tool/languages_list.hpp"
+
+#include "search/search_quality/assessment_tool/helpers.hpp"
+
+#include "coding/multilang_utf8_string.hpp"
+
+LanguagesList::LanguagesList(QWidget * parent) : QComboBox(parent)
+{
+  auto langs = StringUtf8Multilang::GetSupportedLanguages();
+  for (auto const & lang : langs)
+    addItem(ToQString(lang.m_code));
+}
+
+void LanguagesList::Select(string const & lang)
+{
+  auto const index = StringUtf8Multilang::GetLangIndex(lang);
+  if (index != StringUtf8Multilang::kUnsupportedLanguageCode)
+    setCurrentIndex(index);
+  else
+    setCurrentIndex(StringUtf8Multilang::kDefaultCode);
+}
diff --git a/search/search_quality/assessment_tool/languages_list.hpp b/search/search_quality/assessment_tool/languages_list.hpp
new file mode 100644
index 0000000000..c717c0aff4
--- /dev/null
+++ b/search/search_quality/assessment_tool/languages_list.hpp
@@ -0,0 +1,15 @@
+#pragma once
+
+#include <string>
+
+#include <QtWidgets/QComboBox>
+
+class QWidget;
+
+class LanguagesList : public QComboBox
+{
+public:
+  explicit LanguagesList(QWidget * parent);
+
+  void Select(std::string const & lang);
+};
diff --git a/search/search_quality/assessment_tool/main_model.cpp b/search/search_quality/assessment_tool/main_model.cpp
index 73b5175f30..01b38402e2 100644
--- a/search/search_quality/assessment_tool/main_model.cpp
+++ b/search/search_quality/assessment_tool/main_model.cpp
@@ -1,7 +1,16 @@
 #include "search/search_quality/assessment_tool/main_model.hpp"
 
+#include "search/search_params.hpp"
 #include "search/search_quality/assessment_tool/view.hpp"
 
+#include "map/framework.hpp"
+
+#include "geometry/mercator.hpp"
+
+#include "coding/multilang_utf8_string.hpp"
+
+#include "platform/platform.hpp"
+
 #include "base/assert.hpp"
 #include "base/logging.hpp"
 
@@ -9,6 +18,8 @@
 #include <fstream>
 #include <iterator>
 
+MainModel::MainModel(Framework & framework) : m_framework(framework) {}
+
 void MainModel::Open(std::string const & path)
 {
   CHECK(m_view, ());
@@ -38,5 +49,37 @@ void MainModel::OnSampleSelected(int index)
   CHECK_GREATER_OR_EQUAL(index, 0, ());
   CHECK_LESS(index, m_samples.size(), ());
   CHECK(m_view, ());
+
+  auto const & sample = m_samples[index];
   m_view->ShowSample(m_samples[index]);
+
+  auto & engine = m_framework.GetSearchEngine();
+  {
+    auto latLon = MercatorBounds::ToLatLon(sample.m_pos);
+
+    search::SearchParams params;
+    params.m_query = strings::ToUtf8(sample.m_query);
+    params.m_inputLocale = sample.m_locale;
+    params.m_suggestsEnabled = false;
+    params.SetPosition(latLon.lat, latLon.lon);
+
+    auto const timestamp = ++m_queryTimestamp;
+    m_lastShownResult = 0;
+
+    params.m_onResults = [this, timestamp](search::Results const & results) {
+      GetPlatform().RunOnGuiThread([this, timestamp, results]() { OnResults(timestamp, results); });
+    };
+
+    if (auto handle = m_queryHandle.lock())
+      handle->Cancel();
+    m_queryHandle = engine.Search(params, sample.m_viewport);
+  }
+}
+
+void MainModel::OnResults(uint64_t timestamp, search::Results const & results)
+{
+  if (timestamp != m_queryTimestamp)
+    return;
+  m_view->ShowResults(results.begin() + m_lastShownResult, results.end());
+  m_lastShownResult = results.GetCount();
 }
diff --git a/search/search_quality/assessment_tool/main_model.hpp b/search/search_quality/assessment_tool/main_model.hpp
index fbbcced766..7f50cd25f8 100644
--- a/search/search_quality/assessment_tool/main_model.hpp
+++ b/search/search_quality/assessment_tool/main_model.hpp
@@ -1,19 +1,36 @@
 #pragma once
 
+#include "search/engine.hpp"
 #include "search/search_quality/assessment_tool/model.hpp"
 #include "search/search_quality/sample.hpp"
 
+#include <cstdint>
 #include <vector>
+#include <memory>
 
 class Framework;
 
+namespace search
+{
+class Results;
+}
+
 class MainModel : public Model
 {
 public:
+  MainModel(Framework & framework);
+
   // Model overrides:
   void Open(std::string const & path) override;
   void OnSampleSelected(int index) override;
 
 private:
+  void OnResults(uint64_t timestamp, search::Results const & results);
+
+  Framework & m_framework;
   std::vector<search::Sample> m_samples;
+
+  std::weak_ptr<search::ProcessorHandle> m_queryHandle;
+  uint64_t m_queryTimestamp = 0;
+  size_t m_lastShownResult = 0;
 };
diff --git a/search/search_quality/assessment_tool/main_view.cpp b/search/search_quality/assessment_tool/main_view.cpp
index 5ced97c8b2..b0d276237d 100644
--- a/search/search_quality/assessment_tool/main_view.cpp
+++ b/search/search_quality/assessment_tool/main_view.cpp
@@ -1,6 +1,9 @@
 #include "search/search_quality/assessment_tool/main_view.hpp"
 
-#include "search/search_quality/assessment_tool/main_model.hpp"
+#include "search/search_quality/assessment_tool/helpers.hpp"
+#include "search/search_quality/assessment_tool/model.hpp"
+#include "search/search_quality/assessment_tool/sample_view.hpp"
+#include "search/search_quality/assessment_tool/samples_view.hpp"
 
 #include "qt/qt_common/map_widget.hpp"
 #include "qt/qt_common/scale_slider.hpp"
@@ -8,14 +11,12 @@
 #include "map/framework.hpp"
 
 #include "base/assert.hpp"
-#include "base/stl_add.hpp"
 #include "base/string_utils.hpp"
 
-#include <QtCore/QList>
 #include <QtCore/Qt>
+#include <QtWidgets/QDockWidget>
 #include <QtWidgets/QFileDialog>
 #include <QtWidgets/QHBoxLayout>
-#include <QtWidgets/QHeaderView>
 #include <QtWidgets/QMenuBar>
 #include <QtWidgets/QMessageBox>
 #include <QtWidgets/QToolBar>
@@ -39,17 +40,20 @@ MainView::~MainView()
 
 void MainView::SetSamples(std::vector<search::Sample> const & samples)
 {
-  m_samplesModel->removeRows(0, m_samplesModel->rowCount());
-  for (auto const & sample : samples)
-  {
-    m_samplesModel->appendRow(
-        new QStandardItem(QString::fromUtf8(strings::ToUtf8(sample.m_query).c_str())));
-  }
+  m_samplesView->SetSamples(samples);
 }
 
 void MainView::ShowSample(search::Sample const & sample)
 {
-  // TODO (@y): implement a dock view for search sample.
+  m_framework.ShowRect(sample.m_viewport, -1 /* maxScale */, false /* animation */);
+
+  m_sampleView->SetContents(sample);
+  m_sampleView->show();
+}
+
+void MainView::ShowResults(search::Results::Iter begin, search::Results::Iter end)
+{
+  m_sampleView->ShowResults(begin, end);
 }
 
 void MainView::ShowError(std::string const & msg)
@@ -70,84 +74,77 @@ void MainView::OnSampleSelected(QItemSelection const & current)
 
 void MainView::InitMenuBar()
 {
-  CHECK(m_samplesDock.get(), ());
-
   auto * bar = menuBar();
 
   auto * fileMenu = bar->addMenu(tr("&File"));
 
   {
-    auto open = make_unique<QAction>(tr("&Open queries..."), this);
+    auto * open = new QAction(tr("&Open queries..."), this /* parent */);
     open->setShortcuts(QKeySequence::Open);
     open->setStatusTip(tr("Open the file with queries for assessment"));
-    connect(open.get(), &QAction::triggered, this, &MainView::Open);
-    fileMenu->addAction(open.release());
+    connect(open, &QAction::triggered, this, &MainView::Open);
+    fileMenu->addAction(open);
   }
 
   fileMenu->addSeparator();
 
   {
-    auto quit = make_unique<QAction>(tr("&Quit"), this);
+    auto * quit = new QAction(tr("&Quit"), this /* parent */);
     quit->setShortcuts(QKeySequence::Quit);
     quit->setStatusTip(tr("Exit the tool"));
-    connect(quit.get(), &QAction::triggered, this, &QWidget::close);
-    fileMenu->addAction(quit.release());
+    connect(quit, &QAction::triggered, this, &QWidget::close);
+    fileMenu->addAction(quit);
   }
 
   auto * viewMenu = bar->addMenu(tr("&View"));
+
   {
+    CHECK(m_samplesDock != nullptr, ());
     viewMenu->addAction(m_samplesDock->toggleViewAction());
   }
+
+  {
+    CHECK(m_sampleDock != nullptr, ());
+    viewMenu->addAction(m_sampleDock->toggleViewAction());
+  }
 }
 
 void MainView::InitMapWidget()
 {
-  auto widget = make_unique<QWidget>(this /* parent */);
+  auto * widget = new QWidget(this /* parent */);
+  auto * layout = BuildLayoutWithoutMargins<QHBoxLayout>(widget /* parent */);
+  widget->setLayout(layout);
 
-  auto layout = make_unique<QHBoxLayout>(widget.get() /* parent */);
-  layout->setContentsMargins(0 /* left */, 0 /* top */, 0 /* right */, 0 /* bottom */);
   {
-    auto mapWidget = make_unique<qt::common::MapWidget>(m_framework, widget.get() /* parent */);
-    auto toolBar = make_unique<QToolBar>(widget.get() /* parent */);
+    auto * mapWidget = new qt::common::MapWidget(m_framework, widget /* parent */);
+    auto * toolBar = new QToolBar(widget /* parent */);
     toolBar->setOrientation(Qt::Vertical);
     toolBar->setIconSize(QSize(32, 32));
     qt::common::ScaleSlider::Embed(Qt::Vertical, *toolBar, *mapWidget);
 
-    layout->addWidget(mapWidget.release());
-    layout->addWidget(toolBar.release());
+    layout->addWidget(mapWidget);
+    layout->addWidget(toolBar);
   }
 
-  widget->setLayout(layout.release());
-  setCentralWidget(widget.release());
+  setCentralWidget(widget);
 }
 
 void MainView::InitDocks()
 {
-  m_samplesTable = my::make_unique<QTableView>(this /* parent */);
-  m_samplesTable->setEditTriggers(QAbstractItemView::NoEditTriggers);
-  m_samplesTable->setSelectionMode(QAbstractItemView::SingleSelection);
+  m_samplesView = new SamplesView(this /* parent */);
 
   {
-    auto * header = m_samplesTable->horizontalHeader();
-    header->setStretchLastSection(true /* stretch */);
-    header->hide();
-  }
-
-  m_samplesModel =
-      my::make_unique<QStandardItemModel>(0 /* rows */, 1 /* columns */, this /* parent */);
-
-  m_samplesTable->setModel(m_samplesModel.get());
-
-  {
-    auto * model = m_samplesTable->selectionModel();
+    auto * model = m_samplesView->selectionModel();
     connect(model, SIGNAL(selectionChanged(QItemSelection const &, QItemSelection const &)), this,
             SLOT(OnSampleSelected(QItemSelection const &)));
   }
 
-  m_samplesDock = my::make_unique<QDockWidget>(tr("Samples"), this /* parent */, Qt::Widget);
-  m_samplesDock->setFeatures(QDockWidget::AllDockWidgetFeatures);
-  m_samplesDock->setWidget(m_samplesTable.get());
-  addDockWidget(Qt::RightDockWidgetArea, m_samplesDock.get());
+  m_samplesDock = CreateDock("Samples", *m_samplesView);
+  addDockWidget(Qt::RightDockWidgetArea, m_samplesDock);
+
+  m_sampleView = new SampleView(this /* parent */);
+  m_sampleDock = CreateDock("Sample", *m_sampleView);
+  addDockWidget(Qt::RightDockWidgetArea, m_sampleDock);
 }
 
 void MainView::Open()
@@ -162,3 +159,11 @@ void MainView::Open()
 
   m_model->Open(file);
 }
+
+QDockWidget * MainView::CreateDock(std::string const & title, QWidget & widget)
+{
+  auto * dock = new QDockWidget(ToQString(title), this /* parent */, Qt::Widget);
+  dock->setFeatures(QDockWidget::AllDockWidgetFeatures);
+  dock->setWidget(&widget);
+  return dock;
+}
diff --git a/search/search_quality/assessment_tool/main_view.hpp b/search/search_quality/assessment_tool/main_view.hpp
index dcde4ecaeb..beec69483a 100644
--- a/search/search_quality/assessment_tool/main_view.hpp
+++ b/search/search_quality/assessment_tool/main_view.hpp
@@ -2,14 +2,13 @@
 
 #include "search/search_quality/assessment_tool/view.hpp"
 
-#include <QtGui/QStandardItemModel>
-#include <QtWidgets/QDockWidget>
 #include <QtWidgets/QMainWindow>
-#include <QtWidgets/QTableView>
-
-#include <memory>
 
+class Framework;
+class QDockWidget;
 class QItemSelection;
+class SamplesView;
+class SampleView;
 
 namespace qt
 {
@@ -19,8 +18,6 @@ class MapWidget;
 }
 }
 
-class Framework;
-
 class MainView : public QMainWindow, public View
 {
   Q_OBJECT
@@ -32,21 +29,26 @@ public:
   // View overrides:
   void SetSamples(std::vector<search::Sample> const & samples) override;
   void ShowSample(search::Sample const & sample) override;
+  void ShowResults(search::Results::Iter begin, search::Results::Iter end) override;
   void ShowError(std::string const & msg) override;
 
 private Q_SLOTS:
   void OnSampleSelected(QItemSelection const & current);
 
 private:
-  void InitMenuBar();
   void InitMapWidget();
   void InitDocks();
+  void InitMenuBar();
 
   void Open();
 
+  QDockWidget * CreateDock(std::string const & title, QWidget & widget);
+
   Framework & m_framework;
 
-  std::unique_ptr<QStandardItemModel> m_samplesModel;
-  std::unique_ptr<QTableView> m_samplesTable;
-  std::unique_ptr<QDockWidget> m_samplesDock;
+  SamplesView * m_samplesView = nullptr;
+  QDockWidget * m_samplesDock = nullptr;
+
+  SampleView * m_sampleView = nullptr;
+  QDockWidget * m_sampleDock = nullptr;
 };
diff --git a/search/search_quality/assessment_tool/sample_view.cpp b/search/search_quality/assessment_tool/sample_view.cpp
new file mode 100644
index 0000000000..cbf37f7bf4
--- /dev/null
+++ b/search/search_quality/assessment_tool/sample_view.cpp
@@ -0,0 +1,106 @@
+#include "search/search_quality/assessment_tool/sample_view.hpp"
+
+#include "search/result.hpp"
+#include "search/search_quality/assessment_tool/helpers.hpp"
+#include "search/search_quality/assessment_tool/languages_list.hpp"
+#include "search/search_quality/sample.hpp"
+
+#include <QtGui/QStandardItem>
+#include <QtGui/QStandardItemModel>
+#include <QtWidgets/QComboBox>
+#include <QtWidgets/QGroupBox>
+#include <QtWidgets/QHBoxLayout>
+#include <QtWidgets/QHeaderView>
+#include <QtWidgets/QLabel>
+#include <QtWidgets/QLineEdit>
+#include <QtWidgets/QListWidget>
+#include <QtWidgets/QVBoxLayout>
+
+namespace
+{
+QWidget * CreateSampleWidget(QWidget & parent, search::Result const & result)
+{
+  auto * widget = new QWidget(&parent);
+  auto * layout = new QVBoxLayout(widget);
+  widget->setLayout(layout);
+
+  layout->addWidget(new QLabel(ToQString(result.GetString())));
+
+  if (result.GetResultType() == search::Result::RESULT_FEATURE && !result.GetFeatureType().empty())
+  {
+    auto * type = new QLabel(ToQString(result.GetFeatureType()), widget);
+    type->setStyleSheet("QLabel { font-size : 8pt }");
+    layout->addWidget(type);
+  }
+
+  if (!result.GetAddress().empty())
+  {
+    auto * address = new QLabel(ToQString(result.GetAddress()), widget);
+    address->setStyleSheet("QLabel { color : green ; font-size : 8pt }");
+    layout->addWidget(address);
+  }
+
+  return widget;
+}
+}  // namespace
+
+SampleView::SampleView(QWidget * parent) : QWidget(parent)
+{
+  auto * mainLayout = BuildLayoutWithoutMargins<QVBoxLayout>(this /* parent */);
+
+  {
+    auto * box = new QWidget(this /* parent */);
+    auto * layout = BuildLayoutWithoutMargins<QHBoxLayout>(box /* parent */);
+    box->setLayout(layout);
+
+    m_query = new QLineEdit(this /* parent */);
+    m_query->setToolTip(tr("Query text"));
+    layout->addWidget(m_query);
+
+    m_langs = new LanguagesList(this /* parent */);
+    m_langs->setToolTip(tr("Query input language"));
+    layout->addWidget(m_langs);
+
+    mainLayout->addWidget(box);
+  }
+
+  {
+    auto * box = new QWidget(this /* parent */);
+    auto * layout = BuildLayoutWithoutMargins<QVBoxLayout>(box /* parent */);
+    box->setLayout(layout);
+
+    layout->addWidget(new QLabel(tr("Found results")));
+
+    m_results = new QListWidget(box /* parent */);
+    layout->addWidget(m_results);
+
+    mainLayout->addWidget(box);
+  }
+
+  setLayout(mainLayout);
+  setWindowTitle(tr("Sample"));
+}
+
+void SampleView::SetContents(search::Sample const & sample)
+{
+  m_query->setText(ToQString(sample.m_query));
+  m_query->home(false /* mark */);
+
+  m_langs->Select(sample.m_locale);
+
+  m_results->clear();
+}
+
+void SampleView::ShowResults(search::Results::Iter begin, search::Results::Iter end)
+{
+  for (auto it = begin; it != end; ++it)
+  {
+    auto * item = new QListWidgetItem(m_results);
+    m_results->addItem(item);
+
+    auto * widget = CreateSampleWidget(*m_results /* parent */, *it /* sample */);
+    item->setSizeHint(widget->minimumSizeHint());
+
+    m_results->setItemWidget(item, widget);
+  }
+}
diff --git a/search/search_quality/assessment_tool/sample_view.hpp b/search/search_quality/assessment_tool/sample_view.hpp
new file mode 100644
index 0000000000..ed509bc87c
--- /dev/null
+++ b/search/search_quality/assessment_tool/sample_view.hpp
@@ -0,0 +1,28 @@
+#pragma once
+
+#include "search/result.hpp"
+
+#include <QtWidgets/QWidget>
+
+class LanguagesList;
+class QLineEdit;
+class QListWidget;
+
+namespace search
+{
+struct Sample;
+}
+
+class SampleView : public QWidget
+{
+public:
+  explicit SampleView(QWidget * parent);
+
+  void SetContents(search::Sample const & sample);
+  void ShowResults(search::Results::Iter begin, search::Results::Iter end);
+
+private:
+  QLineEdit * m_query = nullptr;
+  LanguagesList * m_langs = nullptr;
+  QListWidget * m_results = nullptr;
+};
diff --git a/search/search_quality/assessment_tool/samples_view.cpp b/search/search_quality/assessment_tool/samples_view.cpp
new file mode 100644
index 0000000000..4e51010fae
--- /dev/null
+++ b/search/search_quality/assessment_tool/samples_view.cpp
@@ -0,0 +1,29 @@
+#include "search/search_quality/assessment_tool/samples_view.hpp"
+
+#include "search/search_quality/assessment_tool/helpers.hpp"
+
+#include <QtGui/QStandardItem>
+#include <QtGui/QStandardItemModel>
+#include <QtWidgets/QHeaderView>
+
+SamplesView::SamplesView(QWidget * parent) : QTableView(parent)
+{
+  setEditTriggers(QAbstractItemView::NoEditTriggers);
+  setSelectionMode(QAbstractItemView::SingleSelection);
+
+  {
+    auto * header = horizontalHeader();
+    header->setStretchLastSection(true /* stretch */);
+    header->hide();
+  }
+
+  m_model = new QStandardItemModel(0 /* rows */, 1 /* columns */, this /* parent */);
+  setModel(m_model);
+}
+
+void SamplesView::SetSamples(std::vector<search::Sample> const & samples)
+{
+  m_model->removeRows(0, m_model->rowCount());
+  for (auto const & sample : samples)
+    m_model->appendRow(new QStandardItem(ToQString(sample.m_query)));
+}
diff --git a/search/search_quality/assessment_tool/samples_view.hpp b/search/search_quality/assessment_tool/samples_view.hpp
new file mode 100644
index 0000000000..43fd0860e1
--- /dev/null
+++ b/search/search_quality/assessment_tool/samples_view.hpp
@@ -0,0 +1,20 @@
+#pragma once
+
+#include "search/search_quality/sample.hpp"
+
+#include <vector>
+
+#include <QtWidgets/QTableView>
+
+class QStandardItemModel;
+
+class SamplesView : public QTableView
+{
+public:
+  explicit SamplesView(QWidget * parent);
+
+  void SetSamples(std::vector<search::Sample> const & samples);
+
+private:
+  QStandardItemModel * m_model = nullptr;
+};
diff --git a/search/search_quality/assessment_tool/view.hpp b/search/search_quality/assessment_tool/view.hpp
index 7f7a65adfd..f0643c12ee 100644
--- a/search/search_quality/assessment_tool/view.hpp
+++ b/search/search_quality/assessment_tool/view.hpp
@@ -1,5 +1,6 @@
 #pragma once
 
+#include "search/result.hpp"
 #include "search/search_quality/sample.hpp"
 
 #include <string>
@@ -16,6 +17,7 @@ public:
 
   virtual void SetSamples(std::vector<search::Sample> const & samples) = 0;
   virtual void ShowSample(search::Sample const & sample) = 0;
+  virtual void ShowResults(search::Results::Iter begin, search::Results::Iter end) = 0;
   virtual void ShowError(std::string const & msg) = 0;
 
 protected: