Изучение TTreeView часть 2 стр.5

стр. 5

Изучение компонента TTreeView, часть II

Автор Билл Уитни перевод Виктор Алексеев aka prom

//--------------------------------
#ifndef Unit1H
#define Unit1H
//--------------------------------
#include <Classes.hpp>
#include <Controls.hpp>
#include <StdCtrls.hpp>
#include <Forms.hpp>
#include <ComCtrls.hpp>
#include <ExtCtrls.hpp>
#include <Menus.hpp>
#include <iostream.h>
#include <fstream.h>
// Секция 1 -----------------------
enum entryValue {ev_league = 0, ev_division,
ev_team, ev_categories, ev_player};
// Секция 2 ------------------------
struct nodeHandle
{
  entryValue nodeType;
  void* obj;
};
// секция 3 ------------------------
struct PlayerStr
{
  int number;
  int age;
  float weight;
  int height;
};
struct SaveNode
{
  char name[64];
  int type;
  int hasStruct;
};
//--------------------------------------------------------
class TForm1 : public TForm
{
__published:	// IDE-managed Components
        TTreeView *TreeView1;
        TShape *LeagueShape;
        TShape *DivisionShape;
        TShape *TeamShape;
        TShape *PlayerShape;
        TButton *LeagueButton;
        TButton *DivisionButton;
        TButton *TeamButton;
        TButton *PlayerButton;
        TButton *Save;
        TButton *Load;
        TButton *DeleteButton;
        TButton *QuitButton;
        TPopupMenu *PopupMenu1;
        TMenuItem *Division1;
        TMenuItem *Team1;
        TMenuItem *Player1;
        TMenuItem *Delete1;
        TMenuItem *Quit1;
        TMenuItem *NewLeague1;
        TButton *Clear;
        void __fastcall QuitButtonClick(TObject *Sender);
        void __fastcall LeagueButtonClick(TObject *Sender);
        void __fastcall NewLeague1Click(TObject *Sender);
        void __fastcall TreeView1Edited(TObject *Sender, TTreeNode *Node,
          AnsiString &S);
       
        void __fastcall DivisionButtonClick(TObject *Sender);
        void __fastcall Division1Click(TObject *Sender);
        void __fastcall TeamButtonClick(TObject *Sender);
        void __fastcall Team1Click(TObject *Sender);
        void __fastcall PlayerButtonClick(TObject *Sender);
        void __fastcall Player1Click(TObject *Sender);
        void __fastcall DeleteButtonClick(TObject *Sender);
        void __fastcall Delete1Click(TObject *Sender);
        void __fastcall TreeView1DragOver(TObject *Sender, TObject *Source,
          int X, int Y, TDragState State, bool &Accept);
        void __fastcall TreeView1DragDrop(TObject *Sender, TObject *Source,
          int X, int Y);
        void __fastcall SaveClick(TObject *Sender);
        void __fastcall LoadClick(TObject *Sender);
        void __fastcall ClearClick(TObject *Sender);

private:// User declarations
        void AddLeague(char *name);
        void __fastcall AddDivision(char* name, TTreeNode* LeagueNode);
        void AddTeam(char* name, TTreeNode* divisionNode);
        void AddPlayer(char* name, TTreeNode* categoryNode);
        void MovePlayer(TTreeNode* player,TTreeNode* newTeam);
public:// User declarations
        __fastcall TForm1(TComponent* Owner);
};
//---------------------------------------------------------------------------
extern PACKAGE TForm1 *Form1;
//---------------------------------------------------------------------------
#endif

Listing A: Пример приложения TtreeView (заголовочный файл)