Merge pull request #2235 from maxGimeno/Make_the_statistics_exportable-GF

Polyhedron_demo: make the statistics exportable

Polyhedron/demo/Polyhedron/MainWindow.cpp

@@ -1854,6 +1854,8 @@ void MainWindow::statisticsOnItem()
             statistics_dlg, SLOT(accept()));
     connect(statistics_ui->updateButton, SIGNAL(clicked()),
             this, SLOT(statisticsOnItem()));
+    connect(statistics_ui->exportButton, &QPushButton::clicked,
+            this, &MainWindow::exportStatistics);
   }
   statistics_ui->label_htmltab->setText(get_item_stats());
 
@@ -2032,3 +2034,53 @@ void MainWindow::set_facegraph_mode_adapter(bool is_polyhedron)
     set_face_graph_default_type(SURFACE_MESH);
 }
 
+void MainWindow::exportStatistics()
+{
+  std::vector<Scene_item*> items;
+  Q_FOREACH(int id, getSelectedSceneItemIndices())
+  {
+    Scene_item* s_item = scene->item(id);
+    items.push_back(s_item);
+  }
+
+  QString str;
+  Q_FOREACH(Scene_item* sit, items)
+  {
+    CGAL::Three::Scene_item::Header_data data = sit->header();
+    if(data.titles.size()>0)
+    {
+      int titles_limit =0;
+      int title = 0;
+      str.append(QString("%1: \n").arg(sit->name()));
+      for(int j=0; j<data.categories.size(); j++)
+      {
+        str.append(QString("  %1: \n")
+                   .arg(data.categories[j].first));
+        titles_limit+=data.categories[j].second;
+        for(;title<titles_limit; ++title)
+        {
+          str.append(QString("    %1: ").arg(data.titles.at(title)));
+          str.append(QString("%1\n").arg(sit->computeStats(title)));
+          title++;
+        }
+      }
+    }
+  }
+
+  QString filename =
+      QFileDialog::getSaveFileName((QWidget*)sender(),
+                                   "",
+                                   QString("Statistics.txt"),
+                                   "Text Files (*.txt)");
+  if(filename.isEmpty())
+    return;
+  QFile output(filename);
+  output.open(QIODevice::WriteOnly | QIODevice::Text);
+
+  if(!output.isOpen()){
+    qDebug() << "- Error, unable to open" << "outputFilename" << "for output";
+  }
+  QTextStream outStream(&output);
+  outStream << str;
+  output.close();
+}

Polyhedron/demo/Polyhedron/MainWindow.h

@@ -240,6 +240,11 @@ public Q_SLOTS:
    * set_face_graph_default_type sets the global state of the application to `Polyhedron mode` or `Surface_mesh mode`.
    */
   void set_face_graph_default_type(MainWindow::Face_graph_mode m);
+
+  /*!
+   * Writes the statistics dialog content in a text file.
+   */
+  void exportStatistics();
 protected Q_SLOTS:
 
    //!Gets the new selected item(s) from the Geometric Objects view and updates the scene

Polyhedron/demo/Polyhedron/Statistics_on_item_dialog.ui

@@ -25,22 +25,8 @@
   <property name="modal">
    <bool>false</bool>
   </property>
-  <layout class="QGridLayout" name="gridLayout">
-   <item row="4" column="0">
-    <widget class="QDialogButtonBox" name="okButtonBox">
-     <property name="standardButtons">
-      <set>QDialogButtonBox::Ok</set>
-     </property>
-    </widget>
-   </item>
-   <item row="3" column="0" alignment="Qt::AlignRight">
-    <widget class="QToolButton" name="updateButton">
-     <property name="text">
-      <string>Update</string>
-     </property>
-    </widget>
-   </item>
-   <item row="0" column="0">
+  <layout class="QVBoxLayout" name="verticalLayout_2" stretch="1,0,0">
+   <item>
     <layout class="QVBoxLayout" name="verticalLayout">
      <item>
       <widget class="QTextEdit" name="label_htmltab">
@@ -63,6 +49,44 @@
      </item>
     </layout>
    </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_2" stretch="0,1,0">
+     <item>
+      <widget class="QPushButton" name="exportButton">
+       <property name="text">
+        <string>&amp;Export...</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="horizontalSpacer">
+       <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="QPushButton" name="updateButton">
+       <property name="text">
+        <string>Update</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="okButtonBox">
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
   </layout>
  </widget>
  <resources/>