From 80a36f4346a7224c0925c8ba0526a7777fcea443 Mon Sep 17 00:00:00 2001
From: Klaus Basan <klaus.basan@klausbasan.de>
Date: Wed, 9 Jan 2019 06:24:33 +0100
Subject: [PATCH] Ref T509, added a first version of QChart for distributors

---
 src/blackgui/blackgui.pro                     |   2 +-
 .../views/aircraftmodelstatisticsdialog.cpp   |  87 ++++++++++++++-
 .../views/aircraftmodelstatisticsdialog.h     |  15 +++
 .../views/aircraftmodelstatisticsdialog.ui    | 103 +++++++++++++++++-
 4 files changed, 201 insertions(+), 6 deletions(-)

diff --git a/src/blackgui/blackgui.pro b/src/blackgui/blackgui.pro
index c852a8d69..ed9c12112 100644
--- a/src/blackgui/blackgui.pro
+++ b/src/blackgui/blackgui.pro
@@ -1,6 +1,6 @@
 load(common_pre)
 
-QT       += core dbus gui network svg widgets
+QT       += core dbus gui network svg widgets charts
 
 TARGET = blackgui
 TEMPLATE = lib
diff --git a/src/blackgui/views/aircraftmodelstatisticsdialog.cpp b/src/blackgui/views/aircraftmodelstatisticsdialog.cpp
index daa93fd09..e8408270a 100644
--- a/src/blackgui/views/aircraftmodelstatisticsdialog.cpp
+++ b/src/blackgui/views/aircraftmodelstatisticsdialog.cpp
@@ -15,7 +15,10 @@
 #include <QPushButton>
 #include <QDesktopServices>
 #include <QUrl>
+#include <QStringList>
+#include <QtCharts>
 
+using namespace QtCharts;
 using namespace BlackMisc::Simulation;
 
 namespace BlackGui
@@ -27,9 +30,15 @@ namespace BlackGui
             ui(new Ui::CAircraftModelStatisticsDialog)
         {
             ui->setupUi(this);
+            ui->tw_ModelStatistics->setCurrentIndex(0);
             this->setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
 
-            connect(ui->pb_GenerateMatrix, &QPushButton::clicked, this, &CAircraftModelStatisticsDialog::displayHTMLMatrix);
+            connect(ui->pb_GenerateMatrix, &QPushButton::released, this, &CAircraftModelStatisticsDialog::displayHTMLMatrix);
+            connect(ui->pb_ShowChart, &QPushButton::released, this, &CAircraftModelStatisticsDialog::showChart);
+            connect(ui->tb_ZoomIn,  &QToolButton::released, this, &CAircraftModelStatisticsDialog::zoom);
+            connect(ui->tb_ZoomOut, &QToolButton::released, this, &CAircraftModelStatisticsDialog::zoom);
+
+            this->initChart();
         }
 
         CAircraftModelStatisticsDialog::~CAircraftModelStatisticsDialog()
@@ -37,8 +46,8 @@ namespace BlackGui
 
         void CAircraftModelStatisticsDialog::analyzeModels(const CAircraftModelList &models)
         {
-            ui->te_GeneralStatistics->setHtml(models.htmlStatistics(true, true));
             m_models = models;
+            ui->te_GeneralStatistics->setHtml(models.htmlStatistics(true, true));
         }
 
         void CAircraftModelStatisticsDialog::displayHTMLMatrix()
@@ -47,5 +56,79 @@ namespace BlackGui
             if (file.isEmpty()) { return; }
             QDesktopServices::openUrl(QUrl::fromLocalFile(file));
         }
+
+        void CAircraftModelStatisticsDialog::zoom()
+        {
+            const QObject *sender = QObject::sender();
+            QChart *chart = ui->qv_Chart->chart();
+            if (sender == ui->tb_ZoomIn)  { chart->zoomIn();  return; }
+            if (sender == ui->tb_ZoomOut) { chart->zoomOut(); return; }
+        }
+
+        void CAircraftModelStatisticsDialog::initChart()
+        {
+            QChart *chart = new QChart();
+            chart->setAnimationOptions(QChart::SeriesAnimations);
+            chart->legend()->setVisible(true);
+            chart->legend()->setAlignment(Qt::AlignBottom);
+            chart->setTheme(QChart::ChartThemeBlueIcy);
+            ui->qv_Chart->setChart(chart);
+            ui->qv_Chart->setRenderHint(QPainter::Antialiasing);
+        }
+
+        void CAircraftModelStatisticsDialog::resetChart()
+        {
+            QChart *chart = ui->qv_Chart->chart();
+            chart->removeAllSeries();
+            const auto axes = chart->axes();
+            for (auto axis : axes)
+            {
+                chart->removeAxis(axis);
+            }
+        }
+
+        void CAircraftModelStatisticsDialog::showChart()
+        {
+            if (ui->rb_Distributors->isChecked()) { this->chartDistributors(); return; }
+        }
+
+        void CAircraftModelStatisticsDialog::chartDistributors()
+        {
+            QChart *chart = ui->qv_Chart->chart();
+            this->resetChart();
+            const QMap<CDistributor, int> distributors = m_models.countPerDistributor();
+            QStringList distributorsForAxis;
+            QBarSet *setDistributors = new QBarSet("Distributors");
+
+            // using number as uique key as it can happen there a identical distributor keys
+            // and QChart requires uniques values
+            int n = 1;
+            for (const CDistributor &distributor : distributors.keys())
+            {
+                const int c = distributors[distributor];
+                if (c < 1) { continue; }
+                distributorsForAxis << QString::number(n) % u": " % distributor.getDbKey() % u" " % QString::number(c);
+                *setDistributors << c;
+                n++;
+                // QString s += distributor.getDbKey() % u" " % QString::number(c) % "\n";
+            }
+
+            QHorizontalBarSeries *series = new QHorizontalBarSeries(this);
+            series->append(setDistributors);
+            chart->addSeries(series);
+            // chart->setTitle("Distributors");
+
+            // Y
+            QBarCategoryAxis *axisY = new QBarCategoryAxis();
+            axisY->append(distributorsForAxis);
+            chart->addAxis(axisY, Qt::AlignLeft);
+            series->attachAxis(axisY);
+
+            // X
+            QValueAxis *axisX = new QValueAxis();
+            chart->addAxis(axisX, Qt::AlignBottom);
+            series->attachAxis(axisX);
+            axisX->applyNiceNumbers();
+        }
     } // ns
 } // ns
diff --git a/src/blackgui/views/aircraftmodelstatisticsdialog.h b/src/blackgui/views/aircraftmodelstatisticsdialog.h
index c4c76e5fd..4fb60342e 100644
--- a/src/blackgui/views/aircraftmodelstatisticsdialog.h
+++ b/src/blackgui/views/aircraftmodelstatisticsdialog.h
@@ -40,6 +40,21 @@ namespace BlackGui
             //! Display the HTML matrix
             void displayHTMLMatrix();
 
+            //! Zoom in/out
+            void zoom();
+
+            //! Init chart
+            void initChart();
+
+            //! Reset chart
+            void resetChart();
+
+            //! Chart
+            void showChart();
+
+            //! Chart for distributors
+            void chartDistributors();
+
             QScopedPointer<Ui::CAircraftModelStatisticsDialog> ui;
             BlackMisc::Simulation::CAircraftModelList m_models;
         };
diff --git a/src/blackgui/views/aircraftmodelstatisticsdialog.ui b/src/blackgui/views/aircraftmodelstatisticsdialog.ui
index a42e468ac..58fc7bc31 100644
--- a/src/blackgui/views/aircraftmodelstatisticsdialog.ui
+++ b/src/blackgui/views/aircraftmodelstatisticsdialog.ui
@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>400</width>
-    <height>300</height>
+    <width>300</width>
+    <height>298</height>
    </rect>
   </property>
   <property name="minimumSize">
@@ -42,6 +42,96 @@
        </item>
       </layout>
      </widget>
+     <widget class="QWidget" name="tb_Charts">
+      <attribute name="title">
+       <string>Charts</string>
+      </attribute>
+      <layout class="QVBoxLayout" name="vl_Charts" stretch="0,0">
+       <item>
+        <widget class="QFrame" name="fr_ChartType">
+         <property name="minimumSize">
+          <size>
+           <width>0</width>
+           <height>25</height>
+          </size>
+         </property>
+         <layout class="QHBoxLayout" name="hl_ChartType">
+          <property name="leftMargin">
+           <number>1</number>
+          </property>
+          <property name="topMargin">
+           <number>1</number>
+          </property>
+          <property name="rightMargin">
+           <number>1</number>
+          </property>
+          <property name="bottomMargin">
+           <number>1</number>
+          </property>
+          <item>
+           <widget class="QRadioButton" name="rb_Distributors">
+            <property name="text">
+             <string>distributors</string>
+            </property>
+            <property name="checked">
+             <bool>true</bool>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <spacer name="hs_ChartType">
+            <property name="orientation">
+             <enum>Qt::Horizontal</enum>
+            </property>
+            <property name="sizeHint" stdset="0">
+             <size>
+              <width>40</width>
+              <height>20</height>
+             </size>
+            </property>
+           </spacer>
+          </item>
+          <item>
+           <widget class="QToolButton" name="tb_ZoomIn">
+            <property name="text">
+             <string>+</string>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QToolButton" name="tb_ZoomOut">
+            <property name="text">
+             <string>-</string>
+            </property>
+           </widget>
+          </item>
+          <item alignment="Qt::AlignRight">
+           <widget class="QPushButton" name="pb_ShowChart">
+            <property name="text">
+             <string>show</string>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </widget>
+       </item>
+       <item>
+        <widget class="QChartView" name="qv_Chart">
+         <property name="sceneRect">
+          <rectf>
+           <x>0.000000000000000</x>
+           <y>0.000000000000000</y>
+           <width>400.000000000000000</width>
+           <height>300.000000000000000</height>
+          </rectf>
+         </property>
+         <property name="dragMode">
+          <enum>QGraphicsView::ScrollHandDrag</enum>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
      <widget class="QWidget" name="tb_Matrix">
       <attribute name="title">
        <string>Matrix</string>
@@ -54,7 +144,7 @@
          </property>
         </widget>
        </item>
-       <item row="0" column="1">
+       <item row="0" column="1" alignment="Qt::AlignLeft">
         <widget class="QPushButton" name="pb_GenerateMatrix">
          <property name="text">
           <string>generate matix</string>
@@ -77,6 +167,13 @@
    </item>
   </layout>
  </widget>
+ <customwidgets>
+  <customwidget>
+   <class>QChartView</class>
+   <extends>QGraphicsView</extends>
+   <header>QtCharts</header>
+  </customwidget>
+ </customwidgets>
  <resources/>
  <connections>
   <connection>