mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
synced 2025-10-31 16:41:48 +01:00
323 lines
9.9 KiB
ObjectPascal
323 lines
9.9 KiB
ObjectPascal
unit opkman_packagelistfrm;
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{$mode objfpc}{$H+}
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{
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***************************************************************************
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* *
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* This source is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This code is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* General Public License for more details. *
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* *
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* A copy of the GNU General Public License is available on the World *
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* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
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* obtain it by writing to the Free Software Foundation, *
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* Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1335, USA. *
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* *
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***************************************************************************
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Author: Balázs Székely
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}
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interface
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uses
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SysUtils,
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// LCL
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Forms, Controls, Graphics, ExtCtrls, StdCtrls, VirtualTrees,
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// OpkMan
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opkman_const, opkman_serializablepackages, opkman_options, opkman_visualtree;
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type
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{ TPackageListFrm }
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TPackageListFrm = class(TForm)
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bOk: TButton;
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bYes: TButton;
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bNo: TButton;
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imTree: TImageList;
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lbMessage: TLabel;
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pnUpDown: TPanel;
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pnMessage: TPanel;
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pnButtons: TPanel;
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procedure FormClose(Sender: TObject; var {%H-}CloseAction: TCloseAction);
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procedure FormCreate(Sender: TObject);
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procedure FormDestroy(Sender: TObject);
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procedure FormKeyPress(Sender: TObject; var Key: char);
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procedure lbMessageResize(Sender: TObject);
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private
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FVST: TVirtualStringTree;
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FModRes: TModalResult;
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function GetCount: Integer;
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procedure SetupControls(const ATyp: Integer);
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procedure VSTGetText(Sender: TBaseVirtualTree; Node: PVirtualNode;
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Column: TColumnIndex; {%H-}TextType: TVSTTextType; var CellText: String);
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procedure VSTGetImageIndex(Sender: TBaseVirtualTree; Node: PVirtualNode;
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{%H-}Kind: TVTImageKind; Column: TColumnIndex; var {%H-}Ghosted: Boolean;
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var ImageIndex: Integer);
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procedure VSTCompareNodes(Sender: TBaseVirtualTree; Node1,
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Node2: PVirtualNode; Column: TColumnIndex; var Result: Integer);
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procedure VSTFreeNode(Sender: TBaseVirtualTree; Node: PVirtualNode);
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function IsNodeVisible(const APackageName: String): Boolean;
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public
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procedure PopulateList(const ATyp: Integer; const AExtra: String = '');
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property Count: Integer read GetCount;
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end;
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var
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PackageListFrm: TPackageListFrm;
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implementation
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{$R *.lfm}
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{ TPackageListFrm }
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type
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PData = ^TData;
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TData = record
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FName: string[100];
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FImageIndex: Integer;
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end;
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procedure TPackageListFrm.FormKeyPress(Sender: TObject; var Key: char);
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begin
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if Key = #13 then
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begin
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FModRes := mrYes;
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Close;
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end
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else if Key = #27 then
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begin
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FModRes := mrNo;
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Close;
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end;
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end;
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procedure TPackageListFrm.lbMessageResize(Sender: TObject);
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begin
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pnMessage.Height := lbMessage.Top + lbMessage.Height + 5;
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end;
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function TPackageListFrm.GetCount: Integer;
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begin
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Result := FVST.RootNodeCount;
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end;
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procedure TPackageListFrm.SetupControls(const ATyp: Integer);
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begin
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FModRes := mrNone;
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case ATyp of
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0: Caption := rsPackageListFrm_Caption0;
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1: Caption := rsPackageListFrm_Caption1;
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2: Caption := rsPackageListFrm_Caption0;
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end;
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bYes.Caption := rsPackageListFrm_bYes_Caption;
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bNo.Caption := rsPackageListFrm_bNo_Caption;
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bOk.Caption := rsPackageListFrm_bOk_Caption;
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bYes.Top := (pnButtons.Height - bYes.Height) div 2;
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bNo.Top := (pnButtons.Height - bNo.Height) div 2;
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bOk.Top := (pnButtons.Height - bOk.Height) div 2;
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pnMessage.Height := lbMessage.Top + lbMessage.Height + 5;
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end;
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procedure TPackageListFrm.PopulateList(const ATyp: Integer; const AExtra: String);
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var
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I, J: Integer;
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Node: PVirtualNode;
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Data: PData;
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LazarusPkg: TLazarusPackage;
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ChkCnt, InvCnt: Integer;
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begin
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SetupControls(ATyp);
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ChkCnt := 0;
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InvCnt := 0;
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for I := 0 to SerializablePackages.Count - 1 do
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begin
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if not IsNodeVisible(SerializablePackages.Items[I].DisplayName) then
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Continue;
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if ATyp = 0 then
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begin
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for J := 0 to SerializablePackages.Items[I].LazarusPackages.Count - 1 do
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begin
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LazarusPkg := TLazarusPackage(SerializablePackages.Items[I].LazarusPackages.Items[J]);
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if (LazarusPkg.Checked) and (psInstalled in LazarusPkg.PackageStates) then
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begin
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Node := FVST.AddChild(nil);
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Data := FVST.GetNodeData(Node);
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Data^.FName := LazarusPkg.Name + '(' + LazarusPkg.InstalledFileVersion + ')';
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Data^.FImageIndex := 1;
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end;
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end;
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end
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else if ATyp = 1 then
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begin
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if (SerializablePackages.Items[I].Checked) and (FileExists(AExtra + SerializablePackages.Items[I].RepositoryFileName)) then
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begin
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Node := FVST.AddChild(nil);
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Data := FVST.GetNodeData(Node);
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if SerializablePackages.Items[I].DisplayName <> '' then
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Data^.FName := SerializablePackages.Items[I].DisplayName
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else
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Data^.FName := SerializablePackages.Items[I].Name;
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Data^.FImageIndex := 0;
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end;
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end
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else if ATyp = 2 then
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begin
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if (SerializablePackages.Items[I].Checked) then
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begin
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Inc(ChkCnt);
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if (Trim(SerializablePackages.Items[I].DownloadURL) = '') or
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(Trim(SerializablePackages.Items[I].DownloadZipURL) = '') or
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(SerializablePackages.GetPackageInstallState(SerializablePackages.Items[I]) = 0) then
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begin
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Inc(InvCnt);
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Node := FVST.AddChild(nil);
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Data := FVST.GetNodeData(Node);
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if SerializablePackages.Items[I].DisplayName <> '' then
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Data^.FName := SerializablePackages.Items[I].DisplayName
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else
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Data^.FName := SerializablePackages.Items[I].Name;
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Data^.FImageIndex := 0;
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SerializablePackages.Items[I].ChangePackageStates(ctAdd, psError);
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end;
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end;
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end;
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end;
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if (ATyp = 2) and (ChkCnt = InvCnt) then
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begin
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bYes.Visible := False;
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bNo.Visible := False;
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bOk.Visible := True;
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lbMessage.Caption := rsMainFrm_PackageUpdate1;
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end;
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FVST.SortTree(0, sdAscending);
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end;
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procedure TPackageListFrm.FormClose(Sender: TObject;
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var CloseAction: TCloseAction);
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begin
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if FModRes <> mrNone then
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ModalResult := FModRes;
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end;
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procedure TPackageListFrm.FormCreate(Sender: TObject);
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begin
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if not Options.UseDefaultTheme then
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Self.Color := clBtnFace;
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FVST := TVirtualStringTree.Create(nil);
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with FVST do
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begin
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Parent := Self;
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Align := alClient;
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Anchors := [akLeft, akTop, akRight];
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Images := imTree;
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if not Options.UseDefaultTheme then
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Color := clBtnFace;
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DefaultNodeHeight := 25;
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Indent := 0;
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TabOrder := 1;
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DefaultText := '';
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Header.AutoSizeIndex := 0;
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Header.Height := 25;
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Colors.BorderColor := clBlack;
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BorderSpacing.Top := 5;
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BorderSpacing.Left := 15;
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BorderSpacing.Right := 15;
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with Header.Columns.Add do begin
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Position := 0;
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Width := 250;
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Text := 'PackageName';
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end;
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Header.Options := [hoAutoResize, hoColumnResize, hoRestrictDrag, hoShowSortGlyphs, hoAutoSpring];
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Header.SortColumn := 0;
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TabOrder := 2;
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TreeOptions.MiscOptions := [toFullRepaintOnResize, toInitOnSave, toToggleOnDblClick, toWheelPanning];
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TreeOptions.PaintOptions := [toHideFocusRect, toPopupMode, toShowButtons, toShowDropmark, toThemeAware, toUseBlendedImages];
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TreeOptions.SelectionOptions := [toFullRowSelect, toRightClickSelect];
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TreeOptions.AutoOptions := [toAutoTristateTracking];
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OnGetText := @VSTGetText;
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OnGetImageIndex := @VSTGetImageIndex;
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OnCompareNodes := @VSTCompareNodes;
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OnFreeNode := @VSTFreeNode;
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end;
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FVST.NodeDataSize := SizeOf(TData);
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end;
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procedure TPackageListFrm.FormDestroy(Sender: TObject);
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begin
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FVST.Clear;
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FVST.Free;
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end;
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procedure TPackageListFrm.VSTGetText(Sender: TBaseVirtualTree;
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Node: PVirtualNode; Column: TColumnIndex; TextType: TVSTTextType;
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var CellText: String);
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var
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Data: PData;
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begin
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Data := FVST.GetNodeData(Node);
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if Column = 0 then
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CellText := Data^.FName;
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end;
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procedure TPackageListFrm.VSTGetImageIndex(Sender: TBaseVirtualTree;
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Node: PVirtualNode; Kind: TVTImageKind; Column: TColumnIndex;
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var Ghosted: Boolean; var ImageIndex: Integer);
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var
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Data: PData;
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begin
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Data := FVST.GetNodeData(Node);
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if Column = 0 then
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ImageIndex := Data^.FImageIndex;
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end;
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procedure TPackageListFrm.VSTCompareNodes(Sender: TBaseVirtualTree; Node1,
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Node2: PVirtualNode; Column: TColumnIndex; var Result: Integer);
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var
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Data1: PData;
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Data2: PData;
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begin
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Data1 := Sender.GetNodeData(Node1);
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Data2 := Sender.GetNodeData(Node2);
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if Column = 0 then
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Result := CompareText(Data1^.FName, Data2^.FName);
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end;
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procedure TPackageListFrm.VSTFreeNode(Sender: TBaseVirtualTree;
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Node: PVirtualNode);
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var
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Data: PData;
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begin
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Data := FVST.GetNodeData(Node);
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Finalize(Data^);
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end;
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function TPackageListFrm.IsNodeVisible(const APackageName: String): Boolean;
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var
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Node: PVirtualNode;
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Data: opkman_visualtree.PData;
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begin
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Result := False;
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Node := VisualTree.VST.GetFirst;
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while Assigned(Node) do
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begin
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Data := VisualTree.VST.GetNodeData(Node);
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if (Data^.DataType = 1) and (Data^.PackageDisplayName = APackageName) then
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begin
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Result := VisualTree.VST.IsVisible[Node];
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Break;
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end;
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Node := VisualTree.VST.GetNext(Node);
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end;
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end;
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end.
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