Converter: cache unit paths using OnIdle handler.

git-svn-id: trunk@27384 -

converter/convertdelphi.pas

@@ -138,6 +138,8 @@ type
     // Units that are found and will be added to project and converted.
     fUnitsToAddToProject: TStringList;
     fSettings: TConvertSettings;
+    fDoneScan: Boolean;
+    procedure OnIdle(Sender: TObject; var Done: Boolean);
     function ConvertSub: TModalResult;
     procedure CleanUpCompilerOptionsSearchPaths(Options: TBaseCompilerOptions);
     procedure SetCompilerModeForDefineTempl(DefTempl: TDefineTemplate);
@@ -871,8 +873,6 @@ begin
   fAllMissingUnits.Sorted:=true;
   fUnitsToAddToProject:=TStringList.Create;
   fPrevSelectedPath:=fSettings.MainPath;
-  // Scan unit files a level above project path. Used later for missing units.
-  CacheUnitsInPath(TrimFilename(fSettings.MainPath+'../'));
 end;
 
 destructor TConvertDelphiPBase.Destroy;
@@ -885,13 +885,24 @@ begin
   inherited Destroy;
 end;
 
+procedure TConvertDelphiPBase.OnIdle(Sender: TObject; var Done: Boolean);
+begin
+  if not fDoneScan then begin
+    CacheUnitsInPath(TrimFilename(fSettings.MainPath+'../'));
+    fDoneScan:=True;
+  end;
+  Done:=True;
+end;
+
 // Creates or updates a lazarus project (.lpi+.lpr) or package.
 function TConvertDelphiPBase.Convert: TModalResult;
 begin
   IDEMessagesWindow.Clear;
+  Application.AddOnIdleHandler(@OnIdle, False);
   // Get settings from user.
   Result:=fSettings.RunForm;
-  if Result=mrOK then begin
+  Application.RemoveOnIdleHandler(@OnIdle);
+  if (Result=mrOK) and fDoneScan then begin
     // create/open lazarus project or package file
     fLazPFilename:=fSettings.DelphiToLazFilename(fOrigPFilename, fLazPSuffix, false);
 

converter/convertsettings.lfm

@@ -15,7 +15,7 @@ object ConvertSettingsForm: TConvertSettingsForm
   object MissingStuffGroupBox: TGroupBox
     AnchorSideTop.Control = SettingsGroupBox
     AnchorSideTop.Side = asrBottom
-    AnchorSideBottom.Control = ButtonPanel
+    AnchorSideBottom.Control = ButtonPanel1
     Left = 0
     Height = 213
     Top = 219
@@ -237,7 +237,7 @@ object ConvertSettingsForm: TConvertSettingsForm
     State = cbChecked
     TabOrder = 3
   end
-  object ButtonPanel: TButtonPanel
+  object ButtonPanel1: TButtonPanel
     Left = 6
     Height = 39
     Top = 438

converter/convertsettings.pas

@@ -39,16 +39,20 @@ type
 
   TConvertTarget = (ctLazarus, ctLazarusWin, ctLazarusAndDelphi);
 
+  TConvertSettingsForm = class;
+
   { TConvertSettings }
 
   TConvertSettings = class
   private
+    fEnabled: Boolean;
     fTitle: String;       // Used for form caption.
     // Unit, Project or Package top file and path.
     fMainFilename: String;
     fMainPath: String;
     // Persistent storage in XML or some other format.
     fConfigStorage: TConfigStorage;
+    fSettingsForm: TConvertSettingsForm;
     // Actual user settings.
     fBackupFiles: boolean;
     fTarget: TConvertTarget;
@@ -67,6 +71,7 @@ type
     fVisualOffsets: TVisualOffsets;
     // Getter / setter:
     function GetBackupPath: String;
+    procedure SetEnabled(const AValue: Boolean);
     procedure SetMainFilename(const AValue: String);
   public
     constructor Create(const ATitle: string);
@@ -92,6 +97,7 @@ type
     property MainFilename: String read fMainFilename write SetMainFilename;
     property MainPath: String read fMainPath;
     property BackupPath: String read GetBackupPath;
+    property Enabled: Boolean read fEnabled write SetEnabled;
 
     property BackupFiles: boolean read fBackupFiles;
     property Target: TConvertTarget read fTarget;
@@ -113,7 +119,7 @@ type
     PropRemoveAutoCheckBox: TCheckBox;
     UnitReplaceAutoCheckBox: TCheckBox;
     BackupCheckBox: TCheckBox;
-    ButtonPanel: TButtonPanel;
+    ButtonPanel1: TButtonPanel;
     FuncReplaceEnableCheckBox: TCheckBox;
     VisualOffsEnableCheckBox: TCheckBox;
     Label1: TLabel;
@@ -336,6 +342,8 @@ begin
   fTitle:=ATitle;
   fMainFilename:='';
   fMainPath:='';
+  fEnabled:=True;
+  fSettingsForm:=Nil;
   fReplaceUnits:=TStringToStringTree.Create(false);
   fReplaceTypes:=TStringToStringTree.Create(false);
   fReplaceFuncs:=TFuncsAndCategories.Create;
@@ -469,12 +477,10 @@ begin
 end;
 
 function TConvertSettings.RunForm: TModalResult;
-var
-  SettingsForm: TConvertSettingsForm;
 begin
-  SettingsForm:=TConvertSettingsForm.Create(nil, Self);
+  fSettingsForm:=TConvertSettingsForm.Create(nil, Self);
-  with SettingsForm do
   try
+    with fSettingsForm do begin
       Caption:=fTitle;
       ProjectPathEdit.Text:=fMainPath;
       // Settings --> UI. Loaded from ConfigSettings earlier.
@@ -496,8 +502,9 @@ begin
         fEnableReplaceFuncs  :=FuncReplaceEnableCheckBox.Checked;
         fEnableVisualOffs    :=VisualOffsEnableCheckBox.Checked;
       end;
+    end;
   finally
-    Free;
+    FreeAndNil(fSettingsForm);
   end;
 end;
 
@@ -587,6 +594,14 @@ begin
   end;
 end;
 
+procedure TConvertSettings.SetEnabled(const AValue: Boolean);
+begin
+  if fEnabled=AValue then exit;
+  fEnabled:=AValue;
+  if Assigned(fSettingsForm) then
+    fSettingsForm.ButtonPanel1.Enabled:=fEnabled; // OKButton
+end;
+
 
 { TConvertSettingsForm }
 
@@ -610,9 +625,9 @@ begin
   BackupCheckBox.Caption:=lisBackupChangedFiles;
   BackupCheckBox.Hint:=lisBackupHint;
 
-  ButtonPanel.OKButton.Caption:=lisStartConversion;
+  ButtonPanel1.OKButton.Caption:=lisStartConversion;
-  ButtonPanel.HelpButton.Caption:=lisMenuHelp;
+  ButtonPanel1.HelpButton.Caption:=lisMenuHelp;
-  ButtonPanel.CancelButton.Caption:=dlgCancel;
+  ButtonPanel1.CancelButton.Caption:=dlgCancel;
 
   SameDFMCheckBox.Caption:=lisConvUseSameDFM;
   SameDFMCheckBox.Hint:=lisConvUseSameDFMHint;