mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
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489 lines
14 KiB
ObjectPascal
489 lines
14 KiB
ObjectPascal
{
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/***************************************************************************
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patheditordlg.pp
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----------------
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***************************************************************************/
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*****************************************************************************
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See the file COPYING.modifiedLGPL.txt, included in this distribution,
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for details about the license.
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*****************************************************************************
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Abstract:
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Defines the TPathEditorDialog, which is a form to edit search paths
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}
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unit PathEditorDlg;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, Forms, Controls, Buttons, StdCtrls, Dialogs,
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FileUtil, ButtonPanel, ExtCtrls, EditBtn, MacroIntf, LCLType, Graphics,
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types, TransferMacros, LazarusIDEStrConsts, shortpathedit;
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type
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{ TPathEditorDialog }
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TPathEditorDialog = class(TForm)
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AddTemplateButton: TBitBtn;
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ButtonPanel1: TButtonPanel;
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ReplaceButton: TBitBtn;
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AddButton: TBitBtn;
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DeleteInvalidPathsButton: TBitBtn;
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DirectoryEdit: TShortPathEdit;
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Splitter1: TSplitter;
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DeleteButton: TBitBtn;
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PathListBox: TListBox;
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MoveDownButton: TBitBtn;
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MoveUpButton: TBitBtn;
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TemplatesListBox: TListBox;
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TemplateGroupBox: TGroupBox;
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PathGroupBox: TGroupBox;
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BrowseDialog: TSelectDirectoryDialog;
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procedure AddButtonClick(Sender: TObject);
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procedure AddTemplateButtonClick(Sender: TObject);
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procedure DeleteInvalidPathsButtonClick(Sender: TObject);
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procedure DeleteButtonClick(Sender: TObject);
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procedure DirectoryEditAcceptDirectory(Sender: TObject; var Value: String);
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procedure DirectoryEditChange(Sender: TObject);
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procedure FormCreate(Sender: TObject);
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procedure FormResize(Sender: TObject);
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procedure FormShow(Sender: TObject);
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procedure MoveDownButtonClick(Sender: TObject);
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procedure MoveUpButtonClick(Sender: TObject);
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procedure PathListBoxDrawItem(Control: TWinControl; Index: Integer;
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ARect: TRect; State: TOwnerDrawState);
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procedure PathListBoxKeyDown(Sender: TObject; var Key: Word;
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Shift: TShiftState);
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procedure PathListBoxSelectionChange(Sender: TObject; User: boolean);
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procedure ReplaceButtonClick(Sender: TObject);
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procedure TemplatesListBoxDblClick(Sender: TObject);
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procedure TemplatesListBoxSelectionChange(Sender: TObject; User: boolean);
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private
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FBaseDirectory: string;
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FEffectiveBaseDirectory: string;
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function GetPath: string;
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function GetTemplates: string;
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function PathToText(const APath: string): string;
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function BaseRelative(const APath: string): String;
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function PathAsAbsolute(const APath: string): String;
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function PathMayExist(APath: string): TObject;
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procedure SetBaseDirectory(const AValue: string);
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procedure SetPath(const AValue: string);
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procedure SetTemplates(const AValue: string);
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function TextToPath(const AText: string): string;
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procedure UpdateButtons;
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public
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property BaseDirectory: string read FBaseDirectory write SetBaseDirectory;
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property EffectiveBaseDirectory: string read FEffectiveBaseDirectory;
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property Path: string read GetPath write SetPath;
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property Templates: string read GetTemplates write SetTemplates;
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end;
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TOnPathEditorExecuted = TNotifyEvent;
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TPathEditorButton = class(TButton)
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private
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FCurrentPathEditor: TPathEditorDialog;
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FOnExecuted: TOnPathEditorExecuted;
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protected
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procedure DoOnPathEditorExecuted;
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public
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procedure Click; override;
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property CurrentPathEditor: TPathEditorDialog read FCurrentPathEditor;
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property OnExecuted: TOnPathEditorExecuted
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read FOnExecuted write FOnExecuted;
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end;
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function PathEditorDialog: TPathEditorDialog;
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implementation
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{$R *.lfm}
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var PathEditor: TPathEditorDialog;
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function PathEditorDialog: TPathEditorDialog;
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begin
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if PathEditor=nil then
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PathEditor:=TPathEditorDialog.Create(Application);
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Result:=PathEditor;
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end;
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{ TPathEditorDialog }
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function TPathEditorDialog.BaseRelative(const APath: string): String;
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begin
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Result:=Trim(APath);
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if (FEffectiveBaseDirectory<>'') and FilenameIsAbsolute(FEffectiveBaseDirectory) then
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Result:=CreateRelativePath(Result, FEffectiveBaseDirectory);
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end;
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function TPathEditorDialog.PathAsAbsolute(const APath: string): String;
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begin
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Result:=APath;
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if not TTransferMacroList.StrHasMacros(Result) // not a template
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and (FEffectiveBaseDirectory<>'') and FilenameIsAbsolute(FEffectiveBaseDirectory) then
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Result:=CreateAbsolutePath(Result, FEffectiveBaseDirectory);
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end;
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function TPathEditorDialog.PathMayExist(APath: string): TObject;
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// Returns 1 if path exists or contains a macro, 0 otherwise.
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// Result is casted to TObject to be used for Strings.Objects.
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begin
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if TTransferMacroList.StrHasMacros(APath) then
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Exit(TObject(1));
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Result:=TObject(0);
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if (FEffectiveBaseDirectory<>'') and FilenameIsAbsolute(FEffectiveBaseDirectory) then
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APath:=CreateAbsolutePath(APath, FEffectiveBaseDirectory);
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if DirectoryExists(APath) then
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Result:=TObject(1);
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end;
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procedure TPathEditorDialog.AddButtonClick(Sender: TObject);
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var
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y: integer;
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RelPath: String;
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begin
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with PathListBox do begin
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y:=ItemIndex+1;
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if y=0 then
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y:=Count;
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RelPath:=BaseRelative(DirectoryEdit.Text);
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Items.InsertObject(y, RelPath, PathMayExist(DirectoryEdit.Text));
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ItemIndex:=y;
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UpdateButtons;
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end;
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end;
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procedure TPathEditorDialog.ReplaceButtonClick(Sender: TObject);
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var
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RelPath: String;
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begin
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with PathListBox do begin
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RelPath:=BaseRelative(DirectoryEdit.Text);
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Items[ItemIndex]:=RelPath;
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Items.Objects[ItemIndex]:=PathMayExist(DirectoryEdit.Text);
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UpdateButtons;
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end;
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end;
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procedure TPathEditorDialog.DeleteButtonClick(Sender: TObject);
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begin
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PathListBox.Items.Delete(PathListBox.ItemIndex);
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UpdateButtons;
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end;
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procedure TPathEditorDialog.DirectoryEditAcceptDirectory(Sender: TObject;
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var Value: String);
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begin
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DirectoryEdit.Text := BaseRelative(Value);
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end;
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procedure TPathEditorDialog.DeleteInvalidPathsButtonClick(Sender: TObject);
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var
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i: Integer;
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begin
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with PathListBox do
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for i:=Items.Count-1 downto 0 do
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if PtrInt(Items.Objects[i])=0 then
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Items.Delete(i);
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end;
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procedure TPathEditorDialog.AddTemplateButtonClick(Sender: TObject);
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var
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i, y: integer;
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begin
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y:=-1;
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for i:=0 to TemplatesListBox.Items.Count-1 do begin
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if TemplatesListBox.Selected[i]
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and (PathListBox.Items.IndexOf(TemplatesListBox.Items[i])=-1) then begin
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PathListBox.Items.AddObject(TemplatesListBox.Items[i], TObject(1));
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y:=PathListBox.Count-1;
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end;
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end;
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if y>=1 then begin
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PathListBox.ItemIndex:=y;
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UpdateButtons;
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end;
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end;
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procedure TPathEditorDialog.DirectoryEditChange(Sender: TObject);
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begin
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UpdateButtons;
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end;
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procedure TPathEditorDialog.PathListBoxSelectionChange(Sender: TObject; User: boolean);
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Var
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FullPath : String;
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begin
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with PathListBox do
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if ItemIndex>-1 then begin
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DirectoryEdit.Text:=BaseRelative(Items[ItemIndex]);
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FullPath := Items[ItemIndex];
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IDEMacros.SubstituteMacros(FullPath);
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DirectoryEdit.Directory:=PathAsAbsolute(FullPath);
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end;
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UpdateButtons;
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end;
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procedure TPathEditorDialog.TemplatesListBoxSelectionChange(Sender: TObject; User: boolean);
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begin
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UpdateButtons;
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end;
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procedure TPathEditorDialog.TemplatesListBoxDblClick(Sender: TObject);
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begin
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AddTemplateButtonClick(Nil);
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end;
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procedure TPathEditorDialog.FormCreate(Sender: TObject);
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begin
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Caption:=dlgDebugOptionsPathEditorDlgCaption;
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PathGroupBox.Caption:=lisPathEditSearchPaths;
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MoveUpButton.Hint:=lisPathEditMovePathUp;
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MoveDownButton.Hint:=lisPathEditMovePathDown;
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ReplaceButton.Caption:=lisReplace;
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ReplaceButton.Hint:=lisPathEditorReplaceHint;
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AddButton.Caption:=lisAdd;
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AddButton.Hint:=lisPathEditorAddHint;
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DeleteButton.Caption:=lisDelete;
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DeleteButton.Hint:=lisPathEditorDeleteHint;
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DeleteInvalidPathsButton.Caption:=lisPathEditDeleteInvalidPaths;
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DeleteInvalidPathsButton.Hint:=lisPathEditorDeleteInvalidHint;
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TemplateGroupBox.Caption:=lisPathEditPathTemplates;
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AddTemplateButton.Caption:=lisCodeTemplAdd;
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AddTemplateButton.Hint:=lisPathEditorTemplAddHint;
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MoveUpButton.LoadGlyphFromResourceName(HInstance, 'arrow_up');
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MoveDownButton.LoadGlyphFromResourceName(HInstance, 'arrow_down');
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ReplaceButton.LoadGlyphFromResourceName(HInstance, 'menu_reportingbug');
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AddButton.LoadGlyphFromResourceName(HInstance, 'laz_add');
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DeleteButton.LoadGlyphFromResourceName(HInstance, 'laz_delete');
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DeleteInvalidPathsButton.LoadGlyphFromResourceName(HInstance, 'menu_clean');
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AddTemplateButton.LoadGlyphFromResourceName(HInstance, 'laz_add');
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end;
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procedure TPathEditorDialog.FormResize(Sender: TObject);
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var
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PathGroupBoxHeight: integer;
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begin
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PathGroupBoxHeight:=((ClientHeight-70)*2) div 3;
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if PathGroupBoxHeight<10 then
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PathGroupBoxHeight:=10;
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PathGroupBox.Height:=PathGroupBoxHeight;
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end;
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procedure TPathEditorDialog.FormShow(Sender: TObject);
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begin
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PathListBox.ItemIndex:=-1;
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TemplatesListBox.ItemIndex:=-1;
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UpdateButtons;
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end;
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procedure TPathEditorDialog.MoveDownButtonClick(Sender: TObject);
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var
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y: integer;
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begin
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y:=PathListBox.ItemIndex;
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if (y>-1) and (y<PathListBox.Count-1) then begin
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PathListBox.Items.Move(y,y+1);
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PathListBox.ItemIndex:=y+1;
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UpdateButtons;
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end;
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end;
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procedure TPathEditorDialog.MoveUpButtonClick(Sender: TObject);
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var
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y: integer;
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begin
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y:=PathListBox.ItemIndex;
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if (y>0) and (y<PathListBox.Count) then begin
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PathListBox.Items.Move(y,y-1);
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PathListBox.ItemIndex:=y-1;
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UpdateButtons;
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end;
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end;
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procedure TPathEditorDialog.PathListBoxDrawItem(Control: TWinControl;
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Index: Integer; ARect: TRect; State: TOwnerDrawState);
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begin
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if Index < 0 then Exit;
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with PathListBox do begin
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Canvas.FillRect(ARect);
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if PtrInt(Items.Objects[Index]) = 0 then
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Canvas.Font.Color := clGray;
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Canvas.TextRect(ARect, ARect.Left, ARect.Top, Items[Index]);
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end;
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end;
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procedure TPathEditorDialog.PathListBoxKeyDown(Sender: TObject; var Key: Word;
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Shift: TShiftState);
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begin
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if (ssCtrl in shift ) and ((Key = VK_UP) or (Key = VK_DOWN)) then begin
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if Key = VK_UP then
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MoveUpButtonClick(Nil)
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else
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MoveDownButtonClick(Nil);
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Key:=VK_UNKNOWN;
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end;
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end;
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function TPathEditorDialog.GetPath: string;
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begin
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Result:=TextToPath(PathListBox.Items.Text);
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end;
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function TPathEditorDialog.GetTemplates: string;
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begin
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Result:=TextToPath(TemplatesListBox.Items.Text);
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end;
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procedure TPathEditorDialog.SetPath(const AValue: string);
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var
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sl: TStringList;
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i: Integer;
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begin
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DirectoryEdit.Text:='';
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PathListBox.Items.Clear;
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sl:=TstringList.Create();
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try
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sl.Text:=PathToText(AValue);
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for i:=0 to sl.Count-1 do
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PathListBox.Items.AddObject(sl[i], PathMayExist(sl[i]));
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PathListBox.ItemIndex:=-1;
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finally
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sl.Free;
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end;
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end;
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procedure TPathEditorDialog.SetTemplates(const AValue: string);
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begin
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TemplatesListBox.Items.Text:=PathToText(AValue);
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TemplateGroupBox.Visible:=TemplatesListBox.Count>0;
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end;
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function TPathEditorDialog.TextToPath(const AText: string): string;
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var
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i, j: integer;
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PathAsText: string;
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begin
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PathAsText:=AText;
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Result:=PathAsText;
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// convert all line ends to semicolons, remove empty paths and trailing spaces
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i:=1;
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j:=1;
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while i<=length(PathAsText) do begin
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if PathAsText[i] in [#10,#13] then begin
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// new line -> new path
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inc(i);
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if (i<=length(PathAsText)) and (PathAsText[i] in [#10,#13])
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and (PathAsText[i]<>PathAsText[i-1]) then
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inc(i);
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// skip spaces at end of path
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while (j>1) and (Result[j-1]=' ') do
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dec(j);
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// skip empty paths
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if (j=1) or (Result[j-1]<>';') then begin
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Result[j]:=';';
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inc(j);
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end;
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end else if ord(PathAsText[i])<32 then begin
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// skip trailing spaces
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inc(i)
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end else if PathAsText[i]=' ' then begin
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// space -> skip spaces at beginning of path
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if (j>1) and (Result[j-1]<>';') then begin
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Result[j]:=PathAsText[i];
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inc(j);
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end;
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inc(i);
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end else begin
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// path char -> just copy
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Result[j]:=PathAsText[i];
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inc(j);
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inc(i);
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end;
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end;
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if (j>1) and (Result[j-1]=';') then dec(j);
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SetLength(Result,j-1);
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end;
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function TPathEditorDialog.PathToText(const APath: string): string;
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var
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i: integer;
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NewPath: string;
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begin
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NewPath:=APath;
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for i:=1 to length(NewPath) do
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if NewPath[i]=';' then
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NewPath[i]:=#13;
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Result:=NewPath;
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end;
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procedure TPathEditorDialog.UpdateButtons;
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var
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i: integer;
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InValidPathsExist: Boolean;
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begin
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// Replace / add / delete / Delete Invalid Paths
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ReplaceButton.Enabled:=(DirectoryEdit.Text<>'') and (DirectoryEdit.Text<>FEffectiveBaseDirectory)
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and (PathListBox.Items.IndexOf(BaseRelative(DirectoryEdit.Text))=-1);
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AddButton.Enabled:=ReplaceButton.Enabled;
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DeleteButton.Enabled:=PathListBox.SelCount=1; // or ItemIndex>-1; ?
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AddTemplateButton.Enabled:=(TemplatesListBox.SelCount>1) or ((TemplatesListBox.ItemIndex>-1)
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and (PathListBox.Items.IndexOf(TemplatesListBox.Items[TemplatesListBox.ItemIndex])=-1));
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// Delete non-existent paths button. Check if there are any.
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InValidPathsExist:=False;
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for i:=0 to PathListBox.Items.Count-1 do
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if PtrInt(PathListBox.Items.Objects[i])=0 then begin
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InValidPathsExist:=True;
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Break;
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end;
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DeleteInvalidPathsButton.Enabled:=InValidPathsExist;
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// Move up / down buttons
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i := PathListBox.ItemIndex;
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MoveUpButton.Enabled := i > 0;
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MoveDownButton.Enabled := (i > -1) and (i < PathListBox.Count-1);
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end;
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procedure TPathEditorDialog.SetBaseDirectory(const AValue: string);
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begin
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if FBaseDirectory=AValue then exit;
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FBaseDirectory:=AValue;
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FEffectiveBaseDirectory:=FBaseDirectory;
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IDEMacros.SubstituteMacros(FEffectiveBaseDirectory);
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DirectoryEdit.Directory:=FEffectiveBaseDirectory;
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end;
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{ TPathEditorButton }
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procedure TPathEditorButton.Click;
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begin
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FCurrentPathEditor:=PathEditorDialog;
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try
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inherited Click;
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FCurrentPathEditor.ShowModal;
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DoOnPathEditorExecuted;
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finally
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FCurrentPathEditor:=nil;
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end;
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end;
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procedure TPathEditorButton.DoOnPathEditorExecuted;
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begin
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if Assigned(OnExecuted) then OnExecuted(Self);
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end;
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end.
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