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#ifndef CLTREECTRLMODEL_H
#define CLTREECTRLMODEL_H
#include "clRowEntry.h"
#include "codelite_exports.h"
#include <functional>
#include <vector>
#include <wx/colour.h>
#include <wx/sharedptr.h>
#include <wx/string.h>
#include <wx/treebase.h>
class clTreeCtrl;
typedef std::function<bool(clRowEntry*, clRowEntry*)> clSortFunc_t;
class WXDLLIMPEXP_SDK clTreeCtrlModel
{
clTreeCtrl* m_tree = nullptr;
clRowEntry* m_root = nullptr;
clRowEntry::Vec_t m_selectedItems;
clRowEntry::Vec_t m_onScreenItems;
clRowEntry* m_firstItemOnScreen = nullptr;
int m_indentSize = 16;
bool m_shutdown = false;
clSortFunc_t m_shouldInsertBeforeFunc = nullptr;
protected:
void DoExpandAllChildren(const wxTreeItemId& item, bool expand);
bool IsSingleSelection() const;
bool IsMultiSelection() const;
bool SendEvent(wxEvent& event);
public:
clTreeCtrlModel(clTreeCtrl* tree);
~clTreeCtrlModel();
void SetFirstItemOnScreen(clRowEntry* firstItemOnScreen) { this->m_firstItemOnScreen = firstItemOnScreen; }
clRowEntry* GetFirstItemOnScreen() const { return m_firstItemOnScreen; }
void SetSortFunction(const clSortFunc_t& CompareFunc) { m_shouldInsertBeforeFunc = CompareFunc; }
clSortFunc_t GetSortFunction() const { return m_shouldInsertBeforeFunc; }
void ExpandAllChildren(const wxTreeItemId& item);
void CollapseAllChildren(const wxTreeItemId& item);
// Notifications from the node
void NodeDeleted(clRowEntry* node);
void NodeExpanded(clRowEntry* node, bool expanded);
bool NodeExpanding(clRowEntry* node, bool expanding);
void GetNextItems(clRowEntry* from, int count, clRowEntry::Vec_t& items, bool selfIncluded = true) const;
void GetPrevItems(clRowEntry* from, int count, clRowEntry::Vec_t& items, bool selfIncluded = true) const;
wxTreeItemId AddRoot(const wxString& text, int image, int selImage, wxTreeItemData* data);
wxTreeItemId AppendItem(const wxTreeItemId& parent, const wxString& text, int image, int selImage,
wxTreeItemData* data);
wxTreeItemId InsertItem(const wxTreeItemId& parent, const wxTreeItemId& previous, const wxString& text, int image,
int selImage, wxTreeItemData* data);
wxTreeItemId GetRootItem() const;
void SetIndentSize(int indentSize) { this->m_indentSize = indentSize; }
int GetIndentSize() const { return m_indentSize; }
/**
* @brief clear the selection from all the items
*/
void UnselectAll();
wxTreeItemId GetItemBefore(const wxTreeItemId& item, bool visibleItem) const;
wxTreeItemId GetItemAfter(const wxTreeItemId& item, bool visibleItem) const;
clRowEntry* GetRowBefore(clRowEntry* item, bool visibleItem) const;
clRowEntry* GetRowAfter(clRowEntry* item, bool visibleItem) const;
clRowEntry* ToPtr(const wxTreeItemId& item) const
{
if(!m_root || !item.IsOk()) {
return nullptr;
}
return reinterpret_cast<clRowEntry*>(item.GetID());
}
/**
* @brief select a given item
*/
void SelectItem(const wxTreeItemId& item, bool select = true, bool addSelection = false,
bool clear_old_selection = false);
/**
* @brief add an item to the selection list
* this function fires an event
*/
void AddSelection(const wxTreeItemId& item);
/**
* @brief clear all selections, return true on sucess, this function fires the changing event
*/
bool ClearSelections(bool notify);
bool IsItemSelected(const wxTreeItemId& item) const { return IsItemSelected(ToPtr(item)); }
bool IsItemSelected(const clRowEntry* item) const;
bool IsVisible(const wxTreeItemId& item) const;
/**
* @brief select the children of 'item' this functin fires the changing and changed events
*/
void SelectChildren(const wxTreeItemId& item);
void Clear();
void SetOnScreenItems(const clRowEntry::Vec_t& items);
const clRowEntry::Vec_t& GetOnScreenItems() const { return m_onScreenItems; }
clRowEntry::Vec_t& GetOnScreenItems() { return m_onScreenItems; }
const clRowEntry::Vec_t& GetSelections() const { return m_selectedItems; }
bool ExpandToItem(const wxTreeItemId& item);
wxTreeItemId GetSingleSelection() const;
size_t GetSelectionsCount() const { return m_selectedItems.size(); }
/**
* @brief do we have items in this tree? (root included)
*/
bool IsEmpty() const { return m_root == nullptr; }
clRowEntry* GetRoot() const { return m_root; }
/**
* @brief delete subtree starting from 'item', including item
* fires event wxEVT_TREE_DELETE_ITEM
* @param item
*/
void DeleteItem(const wxTreeItemId& item);
int GetItemIndex(clRowEntry* item) const;
clRowEntry* GetItemFromIndex(int index) const;
/**
* @brief return the last visible item
* NOTE: this does not check if the item is actually is displayed on the screen
* it only checks if the item is a state that allows it to be displayed on screen
*/
clRowEntry* GetLastVisibleItem() const;
/**
* @brief get range of items from -> to
* Or from: to->from (incase 'to' has a lower index)
*/
bool GetRange(clRowEntry* from, clRowEntry* to, clRowEntry::Vec_t& items) const;
size_t GetExpandedLines() const;
clRowEntry* GetNextSibling(clRowEntry* item) const;
clRowEntry* GetPrevSibling(clRowEntry* item) const;
void EnableEvents(bool enable) { m_shutdown = !enable; }
};
#endif // CLTREECTRLMODEL_H
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