class WXDLLIMPEXP_FWD_ADV wxDataViewCtrl;
class WXDLLIMPEXP_FWD_ADV wxDataViewEvent;
-extern WXDLLIMPEXP_DATA_CORE(const char) wxTreeListCtrlNameStr[];
+extern WXDLLIMPEXP_DATA_ADV(const char) wxTreeListCtrlNameStr[];
+class wxTreeListCtrl;
class wxTreeListModel;
class wxTreeListModelNode;
extern WXDLLIMPEXP_DATA_ADV(const wxTreeListItem) wxTLI_FIRST;
extern WXDLLIMPEXP_DATA_ADV(const wxTreeListItem) wxTLI_LAST;
+// ----------------------------------------------------------------------------
+// wxTreeListItemComparator: defines order of wxTreeListCtrl items.
+// ----------------------------------------------------------------------------
+
+class wxTreeListItemComparator
+{
+public:
+ wxTreeListItemComparator() { }
+
+ // The comparison function should return negative, null or positive value
+ // depending on whether the first item is less than, equal to or greater
+ // than the second one. The items should be compared using their values for
+ // the given column.
+ virtual int
+ Compare(wxTreeListCtrl* treelist,
+ unsigned column,
+ wxTreeListItem first,
+ wxTreeListItem second) = 0;
+
+ // Although this class is not used polymorphically by wxWidgets itself,
+ // provide virtual dtor in case it's used like this in the user code.
+ virtual ~wxTreeListItemComparator() { }
+
+private:
+ wxDECLARE_NO_COPY_CLASS(wxTreeListItemComparator);
+};
+
// ----------------------------------------------------------------------------
// wxTreeListCtrl: a control combining wxTree- and wxListCtrl features.
// ----------------------------------------------------------------------------
+ // Sorting.
+ // --------
+
+ // Sort by the given column, either in ascending (default) or descending
+ // sort order.
+ //
+ // By default, simple alphabetical sorting is done by this column contents
+ // but SetItemComparator() may be called to perform comparison in some
+ // other way.
+ void SetSortColumn(unsigned col, bool ascendingOrder = true);
+
+ // If the control contents is sorted, return true and fill the output
+ // parameters with the column which is currently used for sorting and
+ // whether we sort using ascending or descending order. Otherwise, i.e. if
+ // the control contents is unsorted, simply return false.
+ bool GetSortColumn(unsigned* col, bool* ascendingOrder = NULL);
+
+ // Set the object to use for comparing the items. It will be called when
+ // the control is being sorted because the user clicked on a sortable
+ // column.
+ //
+ // The provided pointer is stored by the control so the object it points to
+ // must have a life-time equal or greater to that of the control itself. In
+ // addition, the pointer can be NULL to stop using custom comparator and
+ // revert to the default alphabetical comparison.
+ void SetItemComparator(wxTreeListItemComparator* comparator);
+
+
// View window functions.
// ----------------------
int imageOpened,
wxClientData* data);
- // Send wxTreeListEvent corresponding to the given wxDataViewEvent.
+ // Send wxTreeListEvent corresponding to the given wxDataViewEvent for an
+ // item (as opposed for column-oriented events).
//
// Also updates the original event "skipped" and "vetoed" flags.
- void SendEvent(wxEventType evt, wxDataViewEvent& event);
+ void SendItemEvent(wxEventType evt, wxDataViewEvent& event);
+
+ // Send wxTreeListEvent corresponding to the given column wxDataViewEvent.
+ void SendColumnEvent(wxEventType evt, wxDataViewEvent& event);
// Called by wxTreeListModel when an item is toggled by the user.
void OnItemExpanded(wxDataViewEvent& event);
void OnItemActivated(wxDataViewEvent& event);
void OnItemContextMenu(wxDataViewEvent& event);
+ void OnColumnSorted(wxDataViewEvent& event);
void OnSize(wxSizeEvent& event);
wxDECLARE_EVENT_TABLE();
wxDataViewCtrl* m_view;
wxTreeListModel* m_model;
+ wxTreeListItemComparator* m_comparator;
+
// It calls our inherited protected wxWithImages::GetImage() method.
friend class wxTreeListModel;
// wxTreeListEvent: event generated by wxTreeListCtrl.
// ----------------------------------------------------------------------------
-class wxTreeListEvent : public wxNotifyEvent
+class WXDLLIMPEXP_ADV wxTreeListEvent : public wxNotifyEvent
{
public:
- // The item affected by the event.
+ // Default ctor is provided for wxRTTI needs only but should never be used.
+ wxTreeListEvent() { Init(); }
+
+ // The item affected by the event. Valid for all events except
+ // column-specific ones such as COLUMN_SORTED.
wxTreeListItem GetItem() const { return m_item; }
// The previous state of the item checkbox for ITEM_CHECKED events only.
wxCheckBoxState GetOldCheckedState() const { return m_oldCheckedState; }
+ // The index of the column affected by the event. Currently only used by
+ // COLUMN_SORTED event.
+ unsigned GetColumn() const { return m_column; }
virtual wxEvent* Clone() const { return new wxTreeListEvent(*this); }
private:
+ // Common part of all ctors.
+ void Init()
+ {
+ m_column = static_cast<unsigned>(-1);
+
+ m_oldCheckedState = wxCHK_UNDETERMINED;
+ }
+
// Ctor is private, only wxTreeListCtrl can create events of this type.
wxTreeListEvent(wxEventType evtType,
wxTreeListCtrl* treelist,
m_item(item)
{
SetEventObject(treelist);
+
+ Init();
}
// Set the checkbox state before this event for ITEM_CHECKED events.
m_oldCheckedState = state;
}
+ // Set the column affected by this event for COLUMN_SORTED events.
+ void SetColumn(unsigned column)
+ {
+ m_column = column;
+ }
+
const wxTreeListItem m_item;
wxCheckBoxState m_oldCheckedState;
+ unsigned m_column;
+
friend class wxTreeListCtrl;
- wxDECLARE_ABSTRACT_CLASS(wxTreeListEvent);
+ wxDECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxTreeListEvent);
};
// Event types and event table macros.
#define EVT_TREELIST_ITEM_CONTEXT_MENU(id, fn) \
wxEVT_TREELIST_GENERIC(ITEM_CONTEXT_MENU, id, fn)
+wxDECLARE_TREELIST_EVENT(COLUMN_SORTED);
+#define EVT_TREELIST_COLUMN_SORTED(id, fn) \
+ wxEVT_TREELIST_GENERIC(COLUMN_SORTED, id, fn)
+
#undef wxDECLARE_TREELIST_EVENT
#endif // wxUSE_TREELISTCTRL
projects / wxWidgets.git / blobdiff