unit PreviewWord;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, DB, ADODB, OleCtnrs,ComObj, Buttons, Mask, DBCtrls,
  ExtCtrls;

type
  TForm1 = class(TForm)
    ADOConnection1: TADOConnection;
    ADOQuery1: TADOQuery;
    OpenDialog1: TOpenDialog;
    OleContainer2: TOleContainer;
    DBEdit1: TDBEdit;
    DataSource1: TDataSource;
    BitBtn1: TBitBtn;
    Button1: TButton;
    Panel1: TPanel;
    ScrollBox1: TScrollBox;
    OleContainer1: TOleContainer;
    ScrollBox2: TScrollBox;
    Splitter1: TSplitter;
    procedure Button1Click(Sender: TObject);
    procedure BitBtn1Click(Sender: TObject);
    procedure DBEdit1Change(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private
    procedure s_ole_clickck(Sender:TObject;Button:TMouseButton; Shift: TShiftState; X, Y: Integer);
    function create_S_Ole(nn:integer):ToleContainer;
    procedure delete_s_ole;

    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

function get_th(i:integer):string;
var
    s:string;
begin
    s:='一    二    三    四    五    六    七    八    九    十    十一  十二  十三';
    s:=s+'  十四  十五  十六  十七  十八  十九  二十  二十一二十二二十三二十四二十五二十六二十七二十八二十九三十 ';
    result:=(trim(copy(s,i*6+1,6)));
end;

function get_olecontainer(word:variant):string;
var
    ss:string;
begin
    word.selection.homekey(6);             //Ctrl+Home;
    word.browser.next;                     //Next Page;
    word.selection.homekey(6,1);           //Ctrl+Shift+Home
    ss:=word.selection;
    try
        word.selection.cut;                //cut
    except
        ss:='';
        word.selection.WholeStory;
        word.selection.cut;                //cut
    end;
    result:=ss;
end;

procedure TForm1.Button1Click(Sender: TObject);
var
    BS: tmemorystream;
    word:variant;
    s:string;
    BlobField: TField;
begin                                //分解Word 原文
    dbedit1.DataField:='';
    delete_s_ole;
    if not OpenDialog1.Execute then exit;
    with adoquery1 do begin
        close;
        sql.Text:='delete from File_nr';
        execsql;
        close;
        sql.Text:='select * from File_nr';
        open;
    end;
    word:=createoleobject('word.application');
    word.documents.add;
    word.Selection.InsertFile(OpenDialog1.FileName);   //打開word文件
    s:='s';
    while s<>'' do begin
        s:=get_olecontainer(word);          // 得到Word的每一頁
        if olecontainer2.canpaste then olecontainer2.paste;
        olecontainer2.update;
        with adoquery1 do begin	        	//存貯得到的一頁Word文件
            bs:=tmemorystream.Create;;
            olecontainer2.SaveToStream(bs);
            blobField:=fieldbyname('nr');
            Append;
            (BlobField as Tblobfield).loadFromStream(bs);
            Post;
        end;
    end;
    word.ActiveDocument.Saved:=True;
    word.quit;
    BitBtn1.Click;              //   預覽
end;

procedure TForm1.BitBtn1Click(Sender: TObject);
var
    nn:integer;
    BS:TStream;
    olename:tolecontainer;
begin
    dbedit1.DataField:='';
    delete_s_ole;
    with adoquery1 do begin
        close;
        sql.Text:='select * from file_nr';
        open;
        first;
        nn:=0;
        while not eof do begin
            olename:=create_S_Ole(nn);
            bs:=adoquery1.CreateBlobStream(fieldbyname('nr'),bmread);
            bs.Position:=0;
            olename.LoadFromstream(bs);
            olename.update;
            nn:=nn+1;
            next;
        end;
    end;
    dbedit1.DataField:='id';
end;

procedure TForm1.s_ole_clickck(Sender: TObject; Button: TMouseButton;
  Shift: TShiftState; X, Y: Integer);
var
    n:integer;
    s:string;
begin
    dbedit1.DataField:='';
    s:=(sender as Tolecontainer).name;
    adoquery1.First;
    n:=strtoint(copy(s,6,length(s)));
    adoquery1.moveby(n);
    dbedit1.DataField:='id';
end;

function TForm1.create_S_Ole(nn: integer): ToleContainer;
var
    ss:Tolecontainer;
    tt:Tlabel;
    row:integer;
begin
    row:=nn+1;
    scrollbox2.VertScrollBar.Position:=0;
    ss:=tolecontainer.Create(scrollbox2);
    ss.Left:=1;
    ss.Top:=(row-1)*180+10;
    ss.Width:=130;
    ss.Height:=150;
    ss.Name:='ole_s'+inttostr(nn);
    ss.parent:=scrollbox2;
    ss.SizeMode:=smScale;
    ss.Visible:=True;
    ss.AllowInPlace:=False;
    ss.AllowActiveDoc:=False;
    ss.AutoVerbMenu:=False;
    ss.AutoActivate:=aaManual;
    ss.OnMouseDown:=s_ole_clickck;
    tt:=Tlabel.Create(scrollbox2);
    tt.parent:=scrollbox2;
    tt.Left:=ss.Left+45;
    tt.Top:=ss.top+ss.Height+5;
    tt.Caption:='第'+get_th(nn)+'頁';
    tt.Visible:=True;
    result:=ss;
end;

procedure TForm1.DBEdit1Change(Sender: TObject);
var
    BS: TStream;
begin
    if dbedit1.DataField='' then exit;
    with adoquery1 do begin
        bs:=adoquery1.CreateBlobStream(fieldbyname('nr'),bmread);
        bs.Position:=0;
        olecontainer1.LoadFromstream(bs);
        olecontainer1.update;
        if olecontainer1.Visible then
        olecontainer1.SetFocus;
    end;
    dbedit1.DataField:='id';
end;

procedure TForm1.delete_s_ole;
var
    i:integer;
begin
    for i:=scrollbox2.ControlCount-1 downto 0 do begin
        scrollbox2.Controls[i].Destroy;
    end;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
  AdoConnection1.connected:=True;
end;

end.