david
f2dddaa81b
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.FastReport@13 475b051d-3a53-6940-addd-820bf0cfe0d7
162 lines
3.8 KiB
ObjectPascal
162 lines
3.8 KiB
ObjectPascal
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{******************************************}
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{ }
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{ FastReport v4.0 }
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{ Master-Detail editor }
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{ }
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{ Copyright (c) 1998-2007 }
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{ by Alexander Tzyganenko, }
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{ Fast Reports Inc. }
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{ }
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{******************************************}
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unit frxEditMD;
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interface
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{$I frx.inc}
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uses
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Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
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frxClass, StdCtrls, ExtCtrls, frxCustomDB
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{$IFDEF Delphi6}
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, Variants
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{$ENDIF};
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type
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TfrxMDEditorForm = class(TForm)
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DetailLB: TListBox;
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MasterLB: TListBox;
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Label1: TLabel;
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Label2: TLabel;
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AddB: TButton;
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LinksLB: TListBox;
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Label3: TLabel;
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ClearB: TButton;
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OkB: TButton;
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CancelB: TButton;
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Bevel1: TBevel;
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procedure FormShow(Sender: TObject);
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procedure FormHide(Sender: TObject);
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procedure ClearBClick(Sender: TObject);
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procedure DetailLBClick(Sender: TObject);
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procedure MasterLBClick(Sender: TObject);
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procedure AddBClick(Sender: TObject);
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procedure FormCreate(Sender: TObject);
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procedure FormKeyDown(Sender: TObject; var Key: Word;
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Shift: TShiftState);
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private
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FDetailDS: TfrxCustomDataset;
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FMasterDS: TfrxCustomDBDataset;
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FMasterFields: String;
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procedure FillLists;
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public
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property DataSet: TfrxCustomDataset read FDetailDS write FDetailDS;
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end;
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implementation
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{$R *.DFM}
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uses frxUtils, frxRes;
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procedure TfrxMDEditorForm.FillLists;
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var
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i: Integer;
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s: String;
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sl: TStrings;
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begin
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FDetailDS.GetFieldList(DetailLB.Items);
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FMasterDS.GetFieldList(MasterLB.Items);
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LinksLB.Items.Clear;
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sl := TStringList.Create;
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frxSetCommaText(FMasterFields, sl);
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for i := 0 to sl.Count - 1 do
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begin
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s := sl.Names[i];
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if DetailLB.Items.IndexOf(s) <> -1 then
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DetailLB.Items.Delete(DetailLB.Items.IndexOf(s));
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s := sl.Values[sl.Names[i]];
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if MasterLB.Items.IndexOf(s) <> -1 then
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MasterLB.Items.Delete(MasterLB.Items.IndexOf(s));
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LinksLB.Items.Add(sl[i]);
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end;
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AddB.Enabled := False;
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sl.Free;
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end;
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procedure TfrxMDEditorForm.FormShow(Sender: TObject);
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begin
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FMasterDS := FDetailDS.Master;
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FMasterFields := FDetailDS.MasterFields;
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FillLists;
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end;
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procedure TfrxMDEditorForm.FormHide(Sender: TObject);
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begin
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if ModalResult = mrOk then
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FDetailDS.MasterFields := FMasterFields;
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end;
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procedure TfrxMDEditorForm.ClearBClick(Sender: TObject);
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begin
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FMasterFields := '';
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FillLists;
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end;
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procedure TfrxMDEditorForm.DetailLBClick(Sender: TObject);
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begin
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if MasterLB.ItemIndex <> -1 then
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AddB.Enabled := True;
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end;
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procedure TfrxMDEditorForm.MasterLBClick(Sender: TObject);
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begin
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if DetailLB.ItemIndex <> -1 then
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AddB.Enabled := True;
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end;
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procedure TfrxMDEditorForm.AddBClick(Sender: TObject);
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var
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s: String;
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begin
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s := DetailLB.Items[DetailLB.ItemIndex] + '=' + MasterLB.Items[MasterLB.ItemIndex];
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if FMasterFields = '' then
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FMasterFields := s else
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FMasterFields := FMasterFields + ';' + s;
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FillLists;
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end;
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procedure TfrxMDEditorForm.FormCreate(Sender: TObject);
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begin
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Caption := frxGet(3800);
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Label1.Caption := frxGet(3801);
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Label2.Caption := frxGet(3802);
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Label3.Caption := frxGet(3803);
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AddB.Caption := frxGet(3804);
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ClearB.Caption := frxGet(3805);
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OkB.Caption := frxGet(1);
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CancelB.Caption := frxGet(2);
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if UseRightToLeftAlignment then
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FlipChildren(True);
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end;
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procedure TfrxMDEditorForm.FormKeyDown(Sender: TObject; var Key: Word;
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Shift: TShiftState);
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begin
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if Key = VK_F1 then
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frxResources.Help(Self);
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end;
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end.
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//862fd5d6aa1a637203d9b08a3c0bcfb0 |