DriveSetup: solved a few issues of CreateParametersPanel.

* I obviously wasn't really done last time: now the panel behaves as it should.

src/apps/drivesetup/AbstractParametersPanel.cpp

@@ -136,54 +136,8 @@ AbstractParametersPanel::MessageReceived(BMessage* message)
 status_t
 AbstractParametersPanel::Go(BString& parameters)
 {
-	// Without an editor, we cannot change anything, anyway
-	if (fEditor == NULL) {
-		parameters = "";
-		if (fReturnStatus == B_CANCELED)
-			fReturnStatus = B_OK;
-
-		if (!Lock())
-			return B_ERROR;
-	} else {
-		// run the window thread, to get an initial layout of the controls
-		Hide();
-		Show();
-		if (!Lock())
-			return B_CANCELED;
-
-		// center the panel above the parent window
-		CenterIn(fWindow->Frame());
-
-		Show();
-		Unlock();
-
-		// block this thread now, but keep the window repainting
-		while (true) {
-			status_t status = acquire_sem_etc(fExitSemaphore, 1,
-				B_CAN_INTERRUPT | B_RELATIVE_TIMEOUT, 50000);
-			if (status != B_TIMED_OUT && status != B_INTERRUPTED)
-				break;
-			fWindow->UpdateIfNeeded();
-		}
-
-		if (!Lock())
-			return B_CANCELED;
-
-		if (fReturnStatus == B_OK) {
-			if (fEditor->ValidateParameters()) {
-				status_t err = fEditor->GetParameters(parameters);
-				if (err != B_OK)
-					fReturnStatus = err;
-			}
-		}
-	}
-
-	status_t status = fReturnStatus;
-
-	Quit();
-		// NOTE: this object is toast now!
-
-	return status;
+	BMessage storage;
+	return Go(parameters, storage);
 }
 
 
@@ -240,6 +194,77 @@ AbstractParametersPanel::Init(B_PARAMETER_EDITOR_TYPE type,
 }
 
 
+status_t
+AbstractParametersPanel::Go(BString& parameters, BMessage& storage)
+{
+	// Without an editor, we cannot change anything, anyway
+	if (fEditor == NULL && NeedsEditor()) {
+		parameters = "";
+		if (fReturnStatus == B_CANCELED)
+			fReturnStatus = B_OK;
+
+		if (!Lock())
+			return B_ERROR;
+	} else {
+		// run the window thread, to get an initial layout of the controls
+		Hide();
+		Show();
+		if (!Lock())
+			return B_CANCELED;
+
+		// center the panel above the parent window
+		CenterIn(fWindow->Frame());
+
+		Show();
+		Unlock();
+
+		// block this thread now, but keep the window repainting
+		while (true) {
+			status_t status = acquire_sem_etc(fExitSemaphore, 1,
+				B_CAN_INTERRUPT | B_RELATIVE_TIMEOUT, 50000);
+			if (status != B_TIMED_OUT && status != B_INTERRUPTED)
+				break;
+			fWindow->UpdateIfNeeded();
+		}
+
+		if (!Lock())
+			return B_CANCELED;
+
+		if (fReturnStatus == B_OK) {
+			if (fEditor != NULL && fEditor->ValidateParameters()) {
+				status_t status = fEditor->GetParameters(parameters);
+				if (status != B_OK)
+					fReturnStatus = status;
+			}
+			if (fReturnStatus == B_OK)
+				fReturnStatus = ParametersReceived(parameters, storage);
+		}
+	}
+
+	status_t status = fReturnStatus;
+
+	Quit();
+		// NOTE: this object is toast now!
+
+	return status;
+}
+
+
+bool
+AbstractParametersPanel::NeedsEditor() const
+{
+	return true;
+}
+
+
+status_t
+AbstractParametersPanel::ParametersReceived(const BString& parameters,
+	BMessage& storage)
+{
+	return B_OK;
+}
+
+
 void
 AbstractParametersPanel::AddControls(BLayoutBuilder::Group<>& builder,
 	BView* editorView)

src/apps/drivesetup/AbstractParametersPanel.h

@@ -37,7 +37,11 @@ protected:
 			void				Init(B_PARAMETER_EDITOR_TYPE type,
 									const BString& diskSystem,
 									BPartition* partition);
+			status_t			Go(BString& parameters, BMessage& storage);
 
+	virtual bool				NeedsEditor() const;
+	virtual status_t			ParametersReceived(const BString& parameters,
+									BMessage& storage);
 	virtual	void				AddControls(BLayoutBuilder::Group<>& builder,
 									BView* editorView);
 

src/apps/drivesetup/CreateParametersPanel.cpp

@@ -60,25 +60,25 @@ status_t
 CreateParametersPanel::Go(off_t& offset, off_t& size, BString& name,
 	BString& type, BString& parameters)
 {
-	// The object will be deleted in Go(), so we need to get the values before
+	// The object will be deleted in Go(), so we need to get the values via
+	// a BMessage
+
+	BMessage storage;
+	status_t status = AbstractParametersPanel::Go(parameters, storage);
+	if (status != B_OK)
+		return status;
 
 	// Return the value back as bytes.
-	size = fSizeSlider->Size();
-	offset = fSizeSlider->Offset();
+	size = storage.GetInt64("size", 0);
+	offset = storage.GetInt64("offset", 0);
 
 	// get name
-	name.SetTo(fNameTextControl->Text());
+	name.SetTo(storage.GetString("name", NULL));
 
 	// get type
-	if (BMenuItem* item = fTypeMenuField->Menu()->FindMarked()) {
-		const char* _type;
-		BMessage* message = item->Message();
-		if (!message || message->FindString("type", &_type) < B_OK)
-			_type = kPartitionTypeBFS;
-		type << _type;
-	}
+	type.SetTo(storage.GetString("type", NULL));
 
-	return AbstractParametersPanel::Go(parameters);
+	return B_OK;
 }
 
 
@@ -114,6 +114,41 @@ CreateParametersPanel::MessageReceived(BMessage* message)
 }
 
 
+bool
+CreateParametersPanel::NeedsEditor() const
+{
+	return false;
+}
+
+
+status_t
+CreateParametersPanel::ParametersReceived(const BString& parameters,
+	BMessage& storage)
+{
+	// Return the value back as bytes.
+	status_t status = storage.SetInt64("size", fSizeSlider->Size());
+	if (status == B_OK)
+		status = storage.SetInt64("offset", fSizeSlider->Offset());
+
+	// get name
+	if (status == B_OK)
+		status = storage.SetString("name", fNameTextControl->Text());
+
+	// get type
+	if (BMenuItem* item = fTypeMenuField->Menu()->FindMarked()) {
+		const char* type;
+		BMessage* message = item->Message();
+		if (!message || message->FindString("type", &type) != B_OK)
+			type = kPartitionTypeBFS;
+
+		if (status == B_OK)
+			status = storage.SetString("type", type);
+	}
+
+	return status;
+}
+
+
 void
 CreateParametersPanel::AddControls(BLayoutBuilder::Group<>& builder,
 	BView* editorView)
@@ -136,7 +171,8 @@ CreateParametersPanel::AddControls(BLayoutBuilder::Group<>& builder,
 		}
 	}
 
-	builder.Add(editorView);
+	if (editorView != NULL)
+		builder.Add(editorView);
 }
 
 

src/apps/drivesetup/CreateParametersPanel.h

@@ -33,6 +33,9 @@ public:
 	virtual	void				MessageReceived(BMessage* message);
 
 protected:
+	virtual bool				NeedsEditor() const;
+	virtual status_t			ParametersReceived(const BString& parameters,
+									BMessage& storage);
 	virtual	void				AddControls(BLayoutBuilder::Group<>& builder,
 									BView* editorView);