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{
*****************************************************************************
See the file COPYING.modifiedLGPL.txt, included in this distribution,
for details about the license.
*****************************************************************************
Abstract:
Useful functions for IDE add ons.
}
unit IDEUtils;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils,
// LCL
StdCtrls, ImgList, Graphics,
// LazUtils
LazFileUtils;
type
TCmpStrType = (
cstCaseSensitive,
cstCaseInsensitive,
cstFilename
);
function IndexInStringList(List: TStrings; Cmp: TCmpStrType; s: string): integer;
procedure SetComboBoxText(AComboBox: TComboBox; const AText: String;
Cmp: TCmpStrType; MaxCount: integer = 1000);
function LoadProjectIconIntoImages(const ProjFile: string;
const Images: TCustomImageList; const Index: TStringList): Integer;
{ Tests aFileDirStr and try to return the longest best path match on system.
Returns longest valid path. aoFileName contains the remainder of the supplied
aFileDirStr that couldn't be included in result }
function GetValidDirectory(const aFileDirStr: string;
out aoFileName : string): string;
{ Tests aFileDirStr and try to return best path/filename on system. }
function GetValidDirectoryAndFilename(const aFileDirStr: string;
out aoFileName : string): string;
implementation
function IndexInStringList(List: TStrings; Cmp: TCmpStrType; s: string): integer;
var
i: Integer;
begin
for i:=0 to List.Count-1 do begin
case Cmp of
cstCaseSensitive: if List[i]=s then exit(i);
cstCaseInsensitive: if AnsiCompareText(List[i],s)=0 then exit(i);
cstFilename: if CompareFilenames(List[i],s)=0 then exit(i);
end;
end;
Result:=-1;
end;
procedure SetComboBoxText(AComboBox:TComboBox; const AText: String;
Cmp: TCmpStrType; MaxCount: integer);
var
a: integer;
begin
if AText<>'' then begin
a := IndexInStringList(AComboBox.Items,Cmp,AText);
if a >= 0 then
AComboBox.ItemIndex := a
else
begin
AComboBox.Items.Insert(0,AText);
AComboBox.ItemIndex:=IndexInStringList(AComboBox.Items,Cmp,AText);
if MaxCount<2 then MaxCount:=2;
while AComboBox.Items.Count>MaxCount do
AComboBox.Items.Delete(AComboBox.Items.Count-1);
end;
end;
AComboBox.Text := AText;
end;
type
TLoadProjectIconIntoImagesObject = class
ImageIndex: Integer;
end;
function LoadProjectIconIntoImages(const ProjFile: string;
const Images: TCustomImageList; const Index: TStringList): Integer;
var
xIconFile: String;
xIcon: TIcon;
I: Integer;
xObj: TLoadProjectIconIntoImagesObject;
begin
//ToDo: better index
I := Index.IndexOf(ProjFile);
if I >= 0 then
Exit(TLoadProjectIconIntoImagesObject(Index.Objects[I]).ImageIndex);
if not Index.Sorted or (Index.Count = 0) then
begin // initialize index
Index.Sorted := True;
Index.Duplicates := dupIgnore;
Index.CaseSensitive := False;
Index.OwnsObjects := True;
end;
Result := -1;
xIconFile := ChangeFileExt(ProjFile, '.ico');
if FileExists(xIconFile) then
begin
xIcon := TIcon.Create;
try
xIcon.LoadFromFile(xIconFile);
except
FreeAndNil(xIcon); // ignore exceptions for invalid icons
end;
if Assigned(xIcon) then
Result := Images.AddIcon(xIcon);
xIcon.Free;
end;
xObj := TLoadProjectIconIntoImagesObject.Create;
xObj.ImageIndex := Result;
Index.AddObject(ProjFile, xObj);
end;
function GetValidDirectory(const aFileDirStr: string; out aoFileName: string): string;
var
lStartDir : string;
lResLen, lResLenNew : integer;
begin
lStartDir := SwitchPathDelims(aFileDirStr, True); // normalize
Result := ExcludeTrailingBackslash(lStartDir);
repeat
lResLen := Length(Result);
if DirectoryExists(Result) then
break;
Result := ExcludeTrailingBackslash(ExtractFilePath(Result));
lResLenNew := Length(Result);
if lResLenNew<=0 then begin
lResLen := 0;
break;
end;
if lResLenNew = lResLen then // Here make sure something was extracted
SetLength(Result, lResLen-1); // otherwise infinite loop.
until lResLen<=0;
if lResLenNew>0 then
aoFileName := Copy(lStartDir, lResLen+2, High(Integer))
else
aoFileName := lStartDir;
end;
function GetValidDirectoryAndFilename(const aFileDirStr: string;
out aoFileName: string): string;
var
lSWPD,
lDir0, lDir1 : string;
begin
lSWPD := ExcludeTrailingBackSlash(SwitchPathDelims(aFileDirStr, True)); // normalize
aoFileName := ExtractFileName(lSWPD);
lDir0 := Copy(lSWPD, 1, length(lSWPD) - Length(aoFileName));
Result := GetValidDirectory(lDir0, {out} lDir1);
if Length(Result)>0 then
aoFileName := Copy(lSWPD, Length(Result)+2, High(Integer))
else
aoFileName := lSWPD;
end;
end.
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