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FrameD64ExplorerLibrary.pas
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FrameD64ExplorerLibrary.pas
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unit FrameD64ExplorerLibrary;
{$mode Delphi}
{$H+}
interface
uses
Classes, SysUtils, Forms, Controls, Graphics, Dialogs, ExtCtrls, StdCtrls,
IniFiles, D64ExplorerTypes, FrameD64ExplorerTask, VirtualTrees;
type
{ TD64ExplorerLibraryFrame }
TD64ExplorerLibraryFrame = class(TD64ExplorerTaskFrame)
Label1: TLabel;
PaintBox1: TPaintBox;
Panel1: TPanel;
Panel2: TPanel;
Panel3: TPanel;
VirtualStringTree1: TVirtualStringTree;
procedure PaintBox1Paint(Sender: TObject);
procedure VirtualStringTree1DblClick(Sender: TObject);
procedure VirtualStringTree1GetImageIndex(Sender: TBaseVirtualTree;
Node: PVirtualNode; Kind: TVTImageKind; Column: TColumnIndex;
var Ghosted: Boolean; var ImageIndex: Integer);
procedure VirtualStringTree1GetText(Sender: TBaseVirtualTree;
Node: PVirtualNode; Column: TColumnIndex; TextType: TVSTTextType;
var CellText: String);
private
FRecentUsed: TStringList;
procedure RebuildRecentUsed;
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
class function GetDescription: string; override;
procedure Prepare(const AD64File: TD64File); override;
procedure Unprepare; override;
procedure Initialise; override;
procedure LoadData(const AIniFile: TIniFile); override;
procedure SaveData(const AIniFile: TIniFile); override;
function AcceptFile(const AFile: string): Boolean; override;
procedure AddRecentUsed(const AFileName: string);
end;
implementation
{$R *.lfm}
uses
D64ExplorerConsts, DModD64ExplorerMain;
{ TD64ExplorerLibraryFrame }
procedure TD64ExplorerLibraryFrame.VirtualStringTree1GetText(
Sender: TBaseVirtualTree; Node: PVirtualNode; Column: TColumnIndex;
TextType: TVSTTextType; var CellText: String);
begin
CellText:= FRecentUsed[Node^.Index];
end;
procedure TD64ExplorerLibraryFrame.VirtualStringTree1GetImageIndex(
Sender: TBaseVirtualTree; Node: PVirtualNode; Kind: TVTImageKind;
Column: TColumnIndex; var Ghosted: Boolean; var ImageIndex: Integer);
begin
ImageIndex:= 0;
end;
procedure TD64ExplorerLibraryFrame.VirtualStringTree1DblClick(Sender: TObject);
var
n: PVirtualNode;
begin
n:= VirtualStringTree1.GetFirst;
while Assigned(n) do
begin
if VirtualStringTree1.Selected[n] then
begin
D64ExplorerMainDMod.OpenDiskImageFile(FRecentUsed[n^.Index]);
Exit;
end;
n:= VirtualStringTree1.GetNext(n);
end;
end;
procedure TD64ExplorerLibraryFrame.PaintBox1Paint(Sender: TObject);
begin
PaintBox1.Canvas.GradientFill(PaintBox1.ClientRect,
ARR_D64_CLR_IDX[dciHdrGrad0], ARR_D64_CLR_IDX[dciHdrGrad1],
gdHorizontal);
PaintBox1.Canvas.Brush.Color:= ARR_D64_CLR_IDX[dciHdrGrad1];
PaintBox1.Canvas.FillRect(Rect(0, 0, 8, PaintBox1.ClientRect.Bottom));
Label1.Font.Color:= ARR_D64_CLR_IDX[dciHdrText0];
Label1.Font.Style:= [fsBold];
end;
procedure TD64ExplorerLibraryFrame.RebuildRecentUsed;
begin
D64ExplorerMainDMod.RequestSaveDataCallback(Self);
VirtualStringTree1.RootNodeCount:= FRecentUsed.Count;
VirtualStringTree1.Invalidate;
end;
constructor TD64ExplorerLibraryFrame.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
FRecentUsed:= TStringList.Create;
FRecentUsed.Duplicates:= dupIgnore;
end;
destructor TD64ExplorerLibraryFrame.Destroy;
begin
FRecentUsed.Free;
inherited Destroy;
end;
class function TD64ExplorerLibraryFrame.GetDescription: string;
begin
Result:= 'Disk Librarian';
end;
procedure TD64ExplorerLibraryFrame.Prepare(const AD64File: TD64File);
begin
D64ExplorerMainDMod.EnableFileDrop(True);
inherited;
end;
procedure TD64ExplorerLibraryFrame.Unprepare;
begin
if not Prepared then
Exit;
D64ExplorerMainDMod.EnableFileDrop(False);
inherited;
end;
procedure TD64ExplorerLibraryFrame.Initialise;
begin
RebuildRecentUsed;
end;
procedure TD64ExplorerLibraryFrame.LoadData(const AIniFile: TIniFile);
var
i: Integer;
c: Integer;
s: string;
begin
inherited LoadData(AIniFile);
c:= AIniFile.ReadInteger('RecentUsed', 'count', 0);
for i:= 0 to c - 1 do
begin
s:= AIniFile.ReadString('RecentUsed', IntToStr(i), '');
if s = EmptyStr then
Continue;
FRecentUsed.Add(s);
end;
end;
procedure TD64ExplorerLibraryFrame.SaveData(const AIniFile: TIniFile);
var
i: Integer;
c: Integer;
s: string;
begin
AIniFile.WriteInteger('RecentUsed', 'count', FRecentUsed.Count);
for i:= 0 to FRecentUsed.Count - 1 do
AIniFile.WriteString('RecentUsed', IntToStr(i), FRecentUsed[i]);
inherited SaveData(AIniFile);
end;
function TD64ExplorerLibraryFrame.AcceptFile(const AFile: string): Boolean;
begin
D64ExplorerMainDMod.OpenDiskImageFile(AFile);
Result:= False;
end;
procedure TD64ExplorerLibraryFrame.AddRecentUsed(const AFileName: string);
var
i: Integer;
begin
i:= FRecentUsed.IndexOf(AFileName);
if i > -1 then
FRecentUsed.Delete(i);
FRecentUsed.Insert(0, AFileName);
RebuildRecentUsed;
end;
end.