Update example plugins

Three/demo/Three/Example_plugin/Basic_item_plugin.cpp

@@ -8,7 +8,8 @@
 #include "CGAL/Three/Scene_group_item.h"
 #include "Scene_plane_item.h"
 
-//This plugin crates an action in Operations that displays "Hello World" in the 'console' dockwidet.
+//This plugin crates an action in Operations that displays the name of the selected item,
+//adds a scene_plane_item to the scene, and adds the selected item and the plane to a new group.
 class BasicItemPlugin :
     public QObject,
     public CGAL::Three::Polyhedron_demo_plugin_interface
@@ -36,10 +37,10 @@ public:
     this->messageInterface = mi;
     //get the references
     this->scene = sc;
-    this->mw = mainWindow;
+    this->mw = mw;
 
     //creates the action
-    QAction *actionHelloWorld= new QAction(QString("Hello World"), mw);
+    QAction *actionHelloWorld= new QAction(QString("Create a group"), mw);
     //specifies the subMenu
     actionHelloWorld->setProperty("submenuName", "Basic");
     //links the action

Three/demo/Three/Example_plugin/Basic_plugin.cpp

@@ -4,7 +4,7 @@ Change the value of EXAMPLE_COMPLEXITY in the first line to change the behavior
   - 1 : pops-up a simple dialog asking to enter an integer , then prints it in the Info and console widgets
   - 2 : pops-up a little more elaborated dialog asking to enter an integer , then prints it in the Info and console widgets if it was indeed an integer, else pops-up an error message box.
   */
-#define EXAMPLE_COMPLEXITY 2
+#define EXAMPLE_COMPLEXITY 0
 #include "ui_Basic_dialog_plugin.h"
 //! [headers_plugin]
 #include <CGAL/Three/Polyhedron_demo_plugin_interface.h>
@@ -33,7 +33,7 @@ public:
 //! [dialog_plugin]
 //! [opening_plugin]
 
-//This plugin crates an action in Operations that displays "Hello World" in the 'console' dockwidet.
+//This plugin creates an action in Operations depending on EXAMPLE_COMPLEXITY.
 class BasicPlugin :
     public QObject,
     public CGAL::Three::Polyhedron_demo_plugin_interface

Three/demo/Three/Example_plugin/Dock_widget_plugin.cpp

@@ -19,7 +19,7 @@ public:
   }
 };
 //! [dock]
-//This plugin crates an action in Operations that displays "Hello World" in the 'console' dockwidet.
+//This plugin crates an action in Operations that creates a DOckWidget to display a number in the 'console' dockwidet.
 class BasicPlugin :
     public QObject,
     public CGAL::Three::Polyhedron_demo_plugin_helper
@@ -46,10 +46,10 @@ public:
     this->messageInterface = mi;
     //get the references
     this->scene = sc;
-    this->mw = mainWindow;
+    this->mw = mw;
 
     //creates the action
-    QAction *actionHelloWorld= new QAction(QString("Hello World"), mw);
+    QAction *actionHelloWorld= new QAction(QString("Open Dock Widget"), mw);
     //specifies the subMenu
     actionHelloWorld->setProperty("submenuName", "Basic");
     //links the action

Three/demo/Three/Example_plugin/Example_plugin.cpp

@@ -63,9 +63,6 @@ Scene_triangle_item::Scene_triangle_item(double ax,double ay, double az,
                                          double cx,double cy, double cz)
   :  CGAL::Three::Scene_item(1,1)
 {
-
-  //Color is uniform, no need for a buffer. Changing the color will not re-compute the data
-  is_monochrome = true;
   nb_pos = 0;
   are_buffers_filled = false;
   computeElements(ax, ay, az,
@@ -200,6 +197,7 @@ public Q_SLOTS:
     triangle = new Scene_triangle_item(0, 0, 0,
                                        1, 0, 0,
                                        0.5, 0.5, 0);
+    triangle->setName(QString("Basic triangle"));
     scene->addItem(triangle);
   }
 private: