unit uPemakai;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
 Dialogs, ComCtrls, StdCtrls, ImgList, DB, ZAbstractRODataset,
 ZAbstractDataset, ZDataset, Grids, DBGrids;
Type
	TStructure=Packed record
		Fieldname:String[25];
		Level:Integer;
		Tablename:string[25];
		Aliasname:String[25];
		tablealias:string[2];
end;

type
  TFPemakai = class(TForm)
   ImageList1: TImageList;
    TreeView1: TTreeView;
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure FormCreate(Sender: TObject);
    procedure TreeView1Click(Sender: TObject);
    procedure TreeView1KeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure TreeView1Collapsing(Sender: TObject; Node: TTreeNode;
      var AllowCollapse: Boolean);
  
  private
    { Private declarations }
  public
    { Public declarations }
    tn : TTreeNode;
    P:TPoint;
  end;
const
//ImageList.StateIndex=0 has some bugs, so we add one dummy image to position 0
cFlatUnCheck = 1;
cFlatChecked = 2;
cFlatRadioUnCheck = 3;
cFlatRadioChecked = 4;

var
  fPemakai: TfPemakai;
  P_Acc_treenode:TTreenode;
  P_acc_structure:Array of TStructure;

implementation
uses uMainMenu;
{$R *.dfm}
procedure TfPemakai.FormCreate(Sender: TObject);
Begin
  with TreeView1 do
     begin
     FullExpand;
     Select(Items[0]);
    End;
end; 

procedure ToggleTreeViewCheckBoxes(Node:TTreeNode; cUnChecked, cChecked, cRadioUnchecked, cRadioChecked:integer);
var
  tmp:TTreeNode;
begin
  if Assigned(Node) then
  begin
    if Node.StateIndex = cUnChecked then
      Node.StateIndex := cChecked
    else if Node.StateIndex = cChecked then
      Node.StateIndex := cUnChecked
    else if Node.StateIndex = cRadioUnChecked then
    begin
      tmp := Node.Parent;
      if not Assigned(tmp) then 
        tmp := TTreeView(Node.TreeView).Items.getFirstNode
      else
        tmp := tmp.getFirstChild;
      while Assigned(tmp) do
      begin
        if (tmp.StateIndex in [cRadioUnChecked,cRadioChecked]) then
          tmp.StateIndex := cRadioUnChecked;
        tmp := tmp.getNextSibling;
      end;
      Node.StateIndex := cRadioChecked;
    end; 
  end; 
end; 
procedure TfPemakai.TreeView1Click(Sender: TObject);
var
  BoolResult:boolean;
begin
  GetCursorPos(P);
  P := TreeView1.ScreenToClient(P);
  if (htOnStateIcon in TreeView1.GetHitTestInfoAt(P.X,P.Y)) then
    ToggleTreeViewCheckBoxes(
       TreeView1.Selected,
       cFlatUnCheck,
       cFlatChecked,
       cFlatRadioUnCheck,
       cFlatRadioChecked);
if Assigned(TreeView1.Selected) then
  begin
    tn := TreeView1.Selected;
    BoolResult := tn.StateIndex in [cFlatChecked,cFlatRadioChecked];
    Memo1.Text := tn.Text +#13#10+ 'Selected: ' + BoolToStr(BoolResult, True);
   end;
end;
procedure TfPemakai.TreeView1KeyDown(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
  if (Key = VK_SPACE) and Assigned(TreeView1.Selected) then
    ToggleTreeViewCheckBoxes(TreeView1.Selected,cFlatUnCheck,cFlatChecked,cFlatRadioUnCheck,cFlatRadioChecked);
end; 

procedure TfPemakai.TreeView1Collapsing(Sender: TObject; Node: TTreeNode;
  var AllowCollapse: Boolean);
begin
  AllowCollapse := false;
end; 
procedure TfPemakai.btnTutupClick(Sender: TObject);
var Action: TCloseAction;
begin
close;
end;
procedure TfPemakai.FormClose(Sender: TObject;
  var Action: TCloseAction);
begin
Action:=caFree;
end;

//utk memberisihkan check box di treeview yg sudah di klik
//masih salah dan mohon bantuan rekan-rekan
procedure TfPemakai.btnbersihClick(Sender: TObject);
var 
    BoolResult:boolean;
J:Int;
begin
 J:=2;
         While J <= TreeView1.Items.Count do
         begin
             with TreeView1 do
             begin
             FullExpand;
             Select(Items[0]);
             TreeView1.ClearSelection(true);
             ActiveControl:= TreeView1;
             tn := TreeView1.Selected;
             tn.StateIndex :=1;
             End;
end;
end.