unit BuMen;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, Grids, DBGridEh, ExtCtrls, ComCtrls, ToolWin, DB, DBTables,
  ImgList, StdCtrls, DBCtrls, Mask, Buttons;

type
  TFormBuMen = class(TForm)
    ToolBar1: TToolBar;
    ToolButton1: TToolButton;
    ToolButton2: TToolButton;
    ToolButton3: TToolButton;
    TreeView1: TTreeView;
    Splitter1: TSplitter;
    ImageList1: TImageList;
    DataSource1: TDataSource;
    Table1: TTable;
    Panel1: TPanel;
    Panel2: TPanel;
    Panel3: TPanel;
    DBGridEh1: TDBGridEh;
    BitBtn1: TBitBtn;
    BitBtn2: TBitBtn;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    DBEdit1: TDBEdit;
    DBEdit2: TDBEdit;
    DBMemo1: TDBMemo;
    ToolButton5: TToolButton;
    procedure FormCreate(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure ToolButton5Click(Sender: TObject);
    procedure ToolButton1Click(Sender: TObject);
    procedure BitBtn1Click(Sender: TObject);
    procedure BitBtn2Click(Sender: TObject);
    procedure ToolButton2Click(Sender: TObject);
    procedure TreeView1Change(Sender: TObject; Node: TTreeNode);
    procedure ToolButton3Click(Sender: TObject);
    procedure Table1AfterPost(DataSet: TDataSet);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  FormBuMen: TFormBuMen;

implementation

{$R *.dfm}

procedure TFormBuMen.FormCreate(Sender: TObject);
var
  root,n1,n2:Ttreenode;
  s,t:string;
begin
  treeview1.Items.BeginUpdate;
  treeview1.Items.Clear;
  root:=treeview1.Items.Add(nil,'集團公司');
  n1:=nil;
  n2:=nil;
  with Table1 do
  begin
    if not active then open;
    First;
  while not eof do
    begin
      s := trim(FieldByName('BuMenID').AsString);
      t := FieldByName('BuMenMC').AsString;
      case length(s) of
      2:n1:=treeview1.Items.AddChild(root,'['+s+']'+t);
      4:n2:=treeview1.Items.AddChild(n1,'['+s+']'+t);
      6:treeview1.Items.AddChild(N2,'['+s+']'+t);
      end;
      Next;
    end;
  end;
  treeview1.Items.EndUpdate;
  treeview1.Selected:=treeview1.Items[0];
  treeview1.Selected.Expand(true);
  DBEdit1.Clear;
  DBEdit2.Clear;
  DBMemo1.Clear;
end;

procedure TFormBuMen.FormClose(Sender: TObject; var Action: TCloseAction);
begin
  Table1.Active:=False;
end;

procedure TFormBuMen.ToolButton5Click(Sender: TObject);
begin
  self.Close;
end;

procedure TFormBuMen.ToolButton1Click(Sender: TObject);
begin
  DBGridEh1.ReadOnly := False;
  Table1.Append;
  BitBtn1.Enabled := true;
  BitBtn2.Enabled := true;
  DBEdit1.Enabled := True;
  DBEdit2.Enabled := True;
  DBMemo1.Enabled := True;
  DBEdit1.SetFocus;
end;

procedure TFormBuMen.BitBtn1Click(Sender: TObject);
var
  root,n1,n2:Ttreenode;
  s,t:string;
begin
  Table1.Post;
  Table1.Refresh;
  TreeView1.Items.Clear;
  treeview1.Items.BeginUpdate;
  treeview1.Items.Clear;
  root:=treeview1.Items.Add(nil,'集團公司');
  n1:=nil;
  n2:=nil;
  with Table1 do
  begin
    if not active then open;
    First;
  while not eof do
    begin
      s := trim(FieldByName('BuMenID').AsString);
      t := FieldByName('BuMenMC').AsString;
      case length(s) of
      2:n1:=treeview1.Items.AddChild(root,'['+s+']'+t);
      4:n2:=treeview1.Items.AddChild(n1,'['+s+']'+t);
      6:treeview1.Items.AddChild(N2,'['+s+']'+t);
      end;
      Next;
    end;
  end;
  treeview1.Items.EndUpdate;
  treeview1.Selected:=treeview1.Items[0];
  treeview1.Selected.Expand(true);
  BitBtn1.Enabled := False;
  BitBtn2.Enabled := False;
  DBEdit1.Enabled := False;
  DBEdit2.Enabled := False;
  DBMemo1.Enabled := False;
  DBEdit1.Clear;
  DBEdit2.Clear;
  DBMemo1.Clear;
  DBGridEh1.ReadOnly := True;
end;

procedure TFormBuMen.BitBtn2Click(Sender: TObject);
begin
  Table1.Cancel;
  BitBtn1.Enabled := False;
  BitBtn2.Enabled := False;
  DBEdit1.Enabled := False;
  DBEdit2.Enabled := False;
  DBMemo1.Enabled := False;
  DBEdit1.Clear;
  DBEdit2.Clear;
  DBMemo1.Clear;
  DBGridEh1.ReadOnly := True;
end;

procedure TFormBuMen.ToolButton2Click(Sender: TObject);
begin
  if Table1.RecordCount>0 then
    try
    if application.MessageBox('真的要刪除嗎？','警告',MB_OKCANCEL +MB_ICONQUESTION)=idok then
      Table1.Delete;
    except
      Table1.Cancel;
    end
end;

procedure TFormBuMen.TreeView1Change(Sender: TObject; Node: TTreeNode);
begin
 //Datasource1.Enabled := node.Data <> nil;
 //if DataSource1.Enabled Then Table1.gotobookmark(node.data);
end;

procedure TFormBuMen.ToolButton3Click(Sender: TObject);
Var
  FindBuMen: string;
begin
  FindBuMen := InPutBox('部門查詢','請輸入部門名稱：','');
  if not Table1.Locate('BuMenMC',FindBuMen,[]) Then
  Application.MessageBox('沒有相對應的記錄','警告',idok);
end;
procedure TFormBuMen.Table1AfterPost(DataSet: TDataSet);
begin
  //Table1.Refresh;
end;

end.