samples/treectrl/treetest.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        treetest.h
   3 // Purpose:     wxTreeCtrl sample
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // Define a new application type
  13 class MyApp : public wxApp
  14 {
  15 public:
  16     bool OnInit();
  17 };
  18
  19 class MyTreeItemData : public wxTreeItemData
  20 {
  21 public:
  22     MyTreeItemData(const wxString& desc) : m_desc(desc) { }
  23
  24     void ShowInfo(wxTreeCtrl *tree);
  25     const char *GetDesc() const { return m_desc.c_str(); }
  26
  27 private:
  28     wxString m_desc;
  29 };
  30
  31 class MyTreeCtrl : public wxTreeCtrl
  32 {
  33 public:
  34     enum
  35     {
  36         TreeCtrlIcon_File,
  37         TreeCtrlIcon_Folder
  38     };
  39
  40     MyTreeCtrl() { }
  41     MyTreeCtrl(wxWindow *parent, const wxWindowID id,
  42                const wxPoint& pos, const wxSize& size,
  43                long style);
  44     virtual ~MyTreeCtrl();
  45
  46     void OnBeginDrag(wxTreeEvent& event);
  47     void OnBeginRDrag(wxTreeEvent& event);
  48     void OnBeginLabelEdit(wxTreeEvent& event);
  49     void OnEndLabelEdit(wxTreeEvent& event);
  50     void OnDeleteItem(wxTreeEvent& event);
  51     void OnGetInfo(wxTreeEvent& event);
  52     void OnSetInfo(wxTreeEvent& event);
  53     void OnItemExpanded(wxTreeEvent& event);
  54     void OnItemExpanding(wxTreeEvent& event);
  55     void OnItemCollapsed(wxTreeEvent& event);
  56     void OnItemCollapsing(wxTreeEvent& event);
  57     void OnSelChanged(wxTreeEvent& event);
  58     void OnSelChanging(wxTreeEvent& event);
  59     void OnTreeKeyDown(wxTreeEvent& event);
  60     void OnItemActivated(wxTreeEvent& event);
  61     void OnRMouseDClick(wxMouseEvent& event);
  62
  63     void GetItemsRecursively(const wxTreeItemId& idParent, long cookie);
  64
  65     void AddTestItemsToTree(size_t numChildren, size_t depth);
  66
  67     void DoSortChildren(const wxTreeItemId& item, bool reverse = FALSE)
  68     { m_reverseSort = reverse; wxTreeCtrl::SortChildren(item); }
  69     void DoEnsureVisible() { EnsureVisible(m_lastItem); }
  70
  71 protected:
  72     virtual int OnCompareItems(const wxTreeItemId& i1, const wxTreeItemId& i2);
  73
  74     // is this the test item which we use in several event handlers?
  75     bool IsTestItem(const wxTreeItemId& item)
  76     {
  77         // the test item is the first child folder
  78         return GetParent(item) == GetRootItem() && !GetPrevSibling(item);
  79     }
  80
  81 private:
  82     void AddItemsRecursively(const wxTreeItemId& idParent,
  83                              size_t nChildren,
  84                              size_t depth,
  85                              size_t folder);
  86
  87     wxImageList *m_imageListNormal;
  88     bool         m_reverseSort;           // flag for OnCompareItems
  89     wxTreeItemId m_lastItem;              // for OnEnsureVisible()
  90
  91     // NB: due to an ugly wxMSW hack you _must_ use DECLARE_DYNAMIC_CLASS()
  92     //     if you want your overloaded OnCompareItems() to be called.
  93     //     OTOH, if you don't want it you may omit the next line - this will
  94     //     make default (alphabetical) sorting much faster under wxMSW.
  95     DECLARE_DYNAMIC_CLASS(MyTreeCtrl)
  96     DECLARE_EVENT_TABLE()
  97 };
  98
  99 // Define a new frame type
 100 class MyFrame: public wxFrame
 101 {
 102 public:
 103     // ctor and dtor
 104     MyFrame(const wxString& title, int x, int y, int w, int h);
 105     virtual ~MyFrame();
 106
 107     // menu callbacks
 108     void OnQuit(wxCommandEvent& event);
 109     void OnAbout(wxCommandEvent& event);
 110
 111     void OnDump(wxCommandEvent& event);
 112     void OnDumpSelected(wxCommandEvent& event);
 113     void OnDelete(wxCommandEvent& event);
 114     void OnDeleteChildren(wxCommandEvent& event);
 115     void OnDeleteAll(wxCommandEvent& event);
 116     void OnRecreate(wxCommandEvent& event);
 117     void OnCollapseAndReset(wxCommandEvent& event);
 118
 119     void OnSetBold(wxCommandEvent& WXUNUSED(event)) { DoSetBold(TRUE); }
 120     void OnClearBold(wxCommandEvent& WXUNUSED(event)) { DoSetBold(FALSE); }
 121
 122     void OnEnsureVisible(wxCommandEvent& event);
 123
 124     void OnRename(wxCommandEvent& event);
 125     void OnSort(wxCommandEvent& event) { DoSort(); }
 126     void OnSortRev(wxCommandEvent& event) { DoSort(TRUE); }
 127
 128     void OnAddItem(wxCommandEvent& event);
 129
 130     void OnIncIndent(wxCommandEvent& event);
 131     void OnDecIndent(wxCommandEvent& event);
 132
 133     void OnIncSpacing(wxCommandEvent& event);
 134     void OnDecSpacing(wxCommandEvent& event);
 135
 136 private:
 137     void DoSort(bool reverse = FALSE);
 138
 139     MyTreeCtrl *m_treeCtrl;
 140
 141     void DoSetBold(bool bold = TRUE);
 142
 143     DECLARE_EVENT_TABLE()
 144 };
 145
 146 // menu and control ids
 147 enum
 148 {
 149     TreeTest_Quit,
 150     TreeTest_About,
 151     TreeTest_Dump,
 152     TreeTest_Dump_Selected,
 153     TreeTest_Sort,
 154     TreeTest_SortRev,
 155     TreeTest_Bold,
 156     TreeTest_UnBold,
 157     TreeTest_Rename,
 158     TreeTest_Delete,
 159     TreeTest_DeleteChildren,
 160     TreeTest_DeleteAll,
 161     TreeTest_Recreate,
 162     TreeTest_CollapseAndReset,
 163     TreeTest_EnsureVisible,
 164     TreeTest_AddItem,
 165     TreeTest_IncIndent,
 166     TreeTest_DecIndent,
 167     TreeTest_IncSpacing,
 168     TreeTest_DecSpacing,
 169     TreeTest_Ctrl = 100
 170 };