Network: made the revert button (somewhat) work.

* DNS add-on does not yet support it, the rest does.
* However, there seems to be some problems with the net_server when
  changing interfaces -- not just with revert.

src/add-ons/network_settings/dnsclient/DNSSettingsView.cpp

@@ -115,6 +115,14 @@ DNSSettingsView::Revert()
 }
 
 
+bool
+DNSSettingsView::IsRevertable() const
+{
+	// TODO
+	return false;
+}
+
+
 void
 DNSSettingsView::AttachedToWindow()
 {

src/add-ons/network_settings/dnsclient/DNSSettingsView.h

@@ -27,6 +27,7 @@ public:
 								~DNSSettingsView();
 
 			status_t			Revert();
+			bool				IsRevertable() const;
 
 	virtual	void				AttachedToWindow();
 	virtual	void				MessageReceived(BMessage* message);

src/add-ons/network_settings/ftpd/FTPServiceAddOn.cpp

@@ -109,14 +109,14 @@ FTPServiceItem::View()
 status_t
 FTPServiceItem::Revert()
 {
-	return B_OK;
+	return fView != NULL ? fView->Revert() : B_OK;
 }
 
 
 bool
 FTPServiceItem::IsRevertable()
 {
-	return false;
+	return fView != NULL ? fView->IsRevertable() : false;
 }
 
 

src/add-ons/network_settings/ipv4/IPv4InterfaceAddOn.cpp

@@ -100,14 +100,14 @@ IPv4InterfaceItem::View()
 status_t
 IPv4InterfaceItem::Revert()
 {
-	return B_OK;
+	return fView != NULL ? fView->Revert() : B_OK;
 }
 
 
 bool
 IPv4InterfaceItem::IsRevertable()
 {
-	return false;
+	return fView != NULL ? fView->IsRevertable() : false;
 }
 
 

src/add-ons/network_settings/ipv6/IPv6InterfaceAddOn.cpp

@@ -100,14 +100,14 @@ IPv6InterfaceItem::View()
 status_t
 IPv6InterfaceItem::Revert()
 {
-	return B_OK;
+	return fView != NULL ? fView->Revert() : B_OK;
 }
 
 
 bool
 IPv6InterfaceItem::IsRevertable()
 {
-	return false;
+	return fView != NULL ? fView->IsRevertable() : false;
 }
 
 

src/add-ons/network_settings/sshd/SSHServiceAddOn.cpp

@@ -213,14 +213,14 @@ SSHServiceItem::View()
 status_t
 SSHServiceItem::Revert()
 {
-	return B_OK;
+	return fView != NULL ? fView->Revert() : B_OK;
 }
 
 
 bool
 SSHServiceItem::IsRevertable()
 {
-	return false;
+	return fView != NULL ? fView->IsRevertable() : false;
 }
 
 

src/add-ons/network_settings/telnetd/TelnetServiceAddOn.cpp

@@ -111,14 +111,14 @@ TelnetServiceItem::View()
 status_t
 TelnetServiceItem::Revert()
 {
-	return B_OK;
+	return fView != NULL ? fView->Revert() : B_OK;
 }
 
 
 bool
 TelnetServiceItem::IsRevertable()
 {
-	return false;
+	return fView != NULL ? fView->IsRevertable() : false;
 }
 
 

src/preferences/network/InterfaceAddressView.cpp

@@ -99,8 +99,7 @@ InterfaceAddressView::InterfaceAddressView(int family,
 	fApplyButton->SetExplicitAlignment(
 		BAlignment(B_ALIGN_RIGHT, B_ALIGN_VERTICAL_UNSET));
 
-	fSettings.GetInterface(interface, fOriginalInterface);
-	fInterfaceSettings = fOriginalInterface;
+	fSettings.GetInterface(interface, fOriginalSettings);
 	_UpdateFields();
 
 	BLayoutBuilder::Group<>(this)
@@ -162,33 +161,17 @@ InterfaceAddressView::MessageReceived(BMessage* message)
 status_t
 InterfaceAddressView::Revert()
 {
-	// Populate address fields with current settings
+	return fSettings.AddInterface(fOriginalSettings);
+}
 
-// TODO!
-/*
-	int32 mode;
-	if (fSettings->AutoConfigure(fFamily)) {
-		mode = kModeAuto;
-		_EnableFields(false);
-	} else if (fSettings->IPAddr(fFamily).IsEmpty()) {
-		mode = kModeDisabled;
-		_EnableFields(false);
-	} else {
-		mode = kModeStatic;
-		_EnableFields(true);
-	}
 
-	BMenuItem* item = fModePopUpMenu->FindItem(mode);
-	if (item != NULL)
-		item->SetMarked(true);
+bool
+InterfaceAddressView::IsRevertable() const
+{
+	BMessage settings;
+	fSettings.GetInterface(fInterface.Name(), settings);
 
-	if (!fSettings->IPAddr(fFamily).IsEmpty()) {
-		fAddressField->SetText(fSettings->IP(fFamily));
-		fNetmaskField->SetText(fSettings->Netmask(fFamily));
-		fGatewayField->SetText(fSettings->Gateway(fFamily));
-	}
-*/
-	return B_OK;
+	return !settings.HasSameData(fOriginalSettings);
 }
 
 
@@ -225,9 +208,12 @@ InterfaceAddressView::_EnableFields(bool enable)
 void
 InterfaceAddressView::_UpdateFields()
 {
-	bool autoConfigure = fInterfaceSettings.IsEmpty();
+	BMessage interfaceSettings;
+	fSettings.GetInterface(fInterface.Name(), interfaceSettings);
+
+	bool autoConfigure = interfaceSettings.IsEmpty();
 	if (!autoConfigure) {
-		BNetworkInterfaceSettings settings(fInterfaceSettings);
+		BNetworkInterfaceSettings settings(interfaceSettings);
 		autoConfigure = settings.IsAutoConfigure(fFamily);
 	}
 

src/preferences/network/InterfaceAddressView.h

@@ -39,7 +39,7 @@ public:
 	virtual	void				MessageReceived(BMessage* message);
 
 			status_t			Revert();
-			status_t			Save();
+			bool				IsRevertable() const;
 
 			void				ConfigurationUpdated(const BMessage& message);
 
@@ -61,8 +61,7 @@ private:
 			BNetworkSettings&	fSettings;
 			uint32				fLastMode;
 
-			BMessage			fOriginalInterface;
-			BMessage			fInterfaceSettings;
+			BMessage			fOriginalSettings;
 
 			BPopUpMenu*			fModePopUpMenu;
 			BMenuField*			fModeField;

src/preferences/network/NetworkWindow.cpp

@@ -112,7 +112,6 @@ NetworkWindow::NetworkWindow()
 
 	fRevertButton = new BButton("revert", B_TRANSLATE("Revert"),
 		new BMessage(kMsgRevert));
-	// fRevertButton->SetEnabled(false);
 
 	BMessage* message = new BMessage(kMsgToggleReplicant);
 	BCheckBox* showReplicantCheckBox = new BCheckBox("showReplicantCheckBox",
@@ -158,6 +157,7 @@ NetworkWindow::NetworkWindow()
 
 	_ScanInterfaces();
 	_ScanAddOns();
+	_UpdateRevertButton();
 
 	// Set size of the list view from its contents
 	float width;
@@ -249,6 +249,11 @@ NetworkWindow::MessageReceived(BMessage* message)
 			_BroadcastSettingsUpdate(message->what);
 			break;
 
+		case kMsgSettingsItemUpdated:
+			// TODO: update list item
+			_UpdateRevertButton();
+			break;
+
 		default:
 			inherited::MessageReceived(message);
 	}
@@ -518,6 +523,8 @@ NetworkWindow::_BroadcastSettingsUpdate(uint32 type)
 	SettingsMap::const_iterator iterator = fSettingsMap.begin();
 	for (; iterator != fSettingsMap.end(); iterator++)
 		iterator->second->SettingsUpdated(type);
+
+	_UpdateRevertButton();
 }
 
 
@@ -538,6 +545,23 @@ NetworkWindow::_BroadcastConfigurationUpdate(const BMessage& message)
 
 	// TODO: improve invalidated region to the one that matters
 	fListView->Invalidate();
+	_UpdateRevertButton();
+}
+
+
+void
+NetworkWindow::_UpdateRevertButton()
+{
+	bool enabled = false;
+	SettingsMap::const_iterator iterator = fSettingsMap.begin();
+	for (; iterator != fSettingsMap.end(); iterator++) {
+		if (iterator->second->IsRevertable()) {
+			enabled = true;
+			break;
+		}
+	}
+
+	fRevertButton->SetEnabled(enabled);
 }
 
 

src/preferences/network/NetworkWindow.h

@@ -55,6 +55,7 @@ private:
 			void				_BroadcastSettingsUpdate(uint32 type);
 			void				_BroadcastConfigurationUpdate(
 									const BMessage& message);
+			void				_UpdateRevertButton();
 
 			bool				_IsReplicantInstalled();
 			void				_ShowReplicant(bool show);

src/preferences/network/ServiceView.cpp

@@ -67,17 +67,19 @@ ServiceView::~ServiceView()
 
 
 bool
-ServiceView::IsRevertable()
+ServiceView::IsRevertable() const
 {
 	return IsEnabled() != fWasEnabled;
 }
 
 
-void
+status_t
 ServiceView::Revert()
 {
 	if (IsRevertable())
 		_Toggle();
+
+	return B_OK;
 }
 
 

src/preferences/network/ServiceView.h

@@ -26,8 +26,8 @@ public:
 									BNetworkSettings& settings);
 	virtual						~ServiceView();
 
-			bool				IsRevertable();
-			void				Revert();
+			bool				IsRevertable() const;
+			status_t			Revert();
 
 			void				SettingsUpdated(uint32 which);