EXPERIMENTS for Linux

xs/src/slic3r/GUI/wxExtensions.hpp

@@ -477,8 +477,194 @@ public:
 private:
 	wxString m_value;
 };
-// *****************************************************************************
+// ******************************* EXPERIMENTS **********************************************
+// ----------------------------------------------------------------------------
+// MyMusicTreeModelNode: a node inside MyMusicTreeModel
+// ----------------------------------------------------------------------------
+class MyMusicTreeModelNode;
+WX_DEFINE_ARRAY_PTR(MyMusicTreeModelNode*, MyMusicTreeModelNodePtrArray);
 
+class MyMusicTreeModelNode
+{
+public:
+    MyMusicTreeModelNode(MyMusicTreeModelNode* parent,
+        const wxString &title, const wxString &artist,
+        unsigned int year)
+    {
+        m_parent = parent;
+
+        m_title = title;
+        m_artist = artist;
+        m_year = year;
+        m_quality = "good";
+
+        m_container = false;
+    }
+
+    MyMusicTreeModelNode(MyMusicTreeModelNode* parent,
+        const wxString &branch)
+    {
+        m_parent = parent;
+
+        m_title = branch;
+        m_year = -1;
+
+        m_container = true;
+    }
+
+    ~MyMusicTreeModelNode()
+    {
+        // free all our children nodes
+        size_t count = m_children.GetCount();
+        for (size_t i = 0; i < count; i++)
+        {
+            MyMusicTreeModelNode *child = m_children[i];
+            delete child;
+        }
+    }
+
+    bool IsContainer() const
+    {
+        return m_container;
+    }
+
+    MyMusicTreeModelNode* GetParent()
+    {
+        return m_parent;
+    }
+    MyMusicTreeModelNodePtrArray& GetChildren()
+    {
+        return m_children;
+    }
+    MyMusicTreeModelNode* GetNthChild(unsigned int n)
+    {
+        return m_children.Item(n);
+    }
+    void Insert(MyMusicTreeModelNode* child, unsigned int n)
+    {
+        m_children.Insert(child, n);
+    }
+    void Append(MyMusicTreeModelNode* child)
+    {
+        m_children.Add(child);
+    }
+    unsigned int GetChildCount() const
+    {
+        return m_children.GetCount();
+    }
+
+public:     // public to avoid getters/setters
+    wxString                m_title;
+    wxString                m_artist;
+    int                     m_year;
+    wxString                m_quality;
+
+    // TODO/FIXME:
+    // the GTK version of wxDVC (in particular wxDataViewCtrlInternal::ItemAdded)
+    // needs to know in advance if a node is or _will be_ a container.
+    // Thus implementing:
+    //   bool IsContainer() const
+    //    { return m_children.GetCount()>0; }
+    // doesn't work with wxGTK when MyMusicTreeModel::AddToClassical is called
+    // AND the classical node was removed (a new node temporary without children
+    // would be added to the control)
+    bool m_container;
+
+private:
+    MyMusicTreeModelNode          *m_parent;
+    MyMusicTreeModelNodePtrArray   m_children;
+};
+
+
+// ----------------------------------------------------------------------------
+// MyMusicTreeModel
+// ----------------------------------------------------------------------------
+
+/*
+Implement this data model
+Title               Artist               Year        Judgement
+--------------------------------------------------------------------------
+1: My Music:
+2:  Pop music
+3:  You are not alone   Michael Jackson      1995        good
+4:  Take a bow          Madonna              1994        good
+5:  Classical music
+6:  Ninth Symphony      Ludwig v. Beethoven  1824        good
+7:  German Requiem      Johannes Brahms      1868        good
+*/
+
+class MyMusicTreeModel : public wxDataViewModel
+{
+public:
+    MyMusicTreeModel();
+    ~MyMusicTreeModel()
+    {
+        delete m_root;
+    }
+
+    // helper method for wxLog
+
+    wxString GetTitle(const wxDataViewItem &item) const;
+    wxString GetArtist(const wxDataViewItem &item) const;
+    int GetYear(const wxDataViewItem &item) const;
+
+    // helper methods to change the model
+
+    void AddToClassical(const wxString &title, const wxString &artist,
+        unsigned int year);
+    void Delete(const wxDataViewItem &item);
+
+    wxDataViewItem GetNinthItem() const
+    {
+        return wxDataViewItem(m_ninth);
+    }
+
+    // override sorting to always sort branches ascendingly
+
+    int Compare(const wxDataViewItem &item1, const wxDataViewItem &item2,
+        unsigned int column, bool ascending) const override;//;
+
+    // implementation of base class virtuals to define model
+
+    virtual unsigned int GetColumnCount() const override//wxOVERRIDE
+    {
+        return 6;
+    }
+
+    virtual wxString GetColumnType(unsigned int col) const override//wxOVERRIDE
+    {
+        if (col == 2)
+        return wxT("long");
+
+        return wxT("string");
+    }
+
+    virtual void GetValue(wxVariant &variant,
+        const wxDataViewItem &item, unsigned int col) const override;//wxOVERRIDE;
+    virtual bool SetValue(const wxVariant &variant,
+        const wxDataViewItem &item, unsigned int col) override;//wxOVERRIDE;
+
+    virtual bool IsEnabled(const wxDataViewItem &item,
+        unsigned int col) const override;//wxOVERRIDE;
+
+    virtual wxDataViewItem GetParent(const wxDataViewItem &item) const override;//wxOVERRIDE;
+    virtual bool IsContainer(const wxDataViewItem &item) const override;//wxOVERRIDE;
+    virtual unsigned int GetChildren(const wxDataViewItem &parent,
+        wxDataViewItemArray &array) const override;//wxOVERRIDE;
+
+private:
+    MyMusicTreeModelNode*   m_root;
+
+    // pointers to some "special" nodes of the tree:
+    MyMusicTreeModelNode*   m_pop;
+    MyMusicTreeModelNode*   m_classical;
+    MyMusicTreeModelNode*   m_ninth;
+
+    // ??
+    bool                    m_classicalMusicIsKnownToControl;
+};
+
+// ******************************************************************************************
 
 
 #endif // slic3r_GUI_wxExtensions_hpp_