From 5bdabec32572fcf863fd65681791f39e586348e6 Mon Sep 17 00:00:00 2001
From: emeric <emeric@nas>
Date: Tue, 5 Aug 2014 22:35:10 +0200
Subject: [PATCH] WIP. Handling multiple media directories

---
 Makefile.am                                   |   2 +
 database-updater/DatabaseUpdater.cpp          |   8 +-
 database/MediaDirectory.cpp                   |   5 +
 database/MediaDirectory.hpp                   |   1 +
 ui/approot/templates.xml                      |  26 ++-
 ui/audio/AudioWidget.cpp                      |   1 +
 ui/settings/Settings.cpp                      |   4 +-
 ui/settings/SettingsDatabaseFormView.cpp      |  35 +---
 ui/settings/SettingsMediaDirectories.cpp      | 144 ++++++++++++++++
 ui/settings/SettingsMediaDirectories.hpp      |  37 ++++
 .../SettingsMediaDirectoryFormView.cpp        | 160 ++++++++++++++++++
 .../SettingsMediaDirectoryFormView.hpp        |  37 ++++
 12 files changed, 426 insertions(+), 34 deletions(-)
 create mode 100644 ui/settings/SettingsMediaDirectories.cpp
 create mode 100644 ui/settings/SettingsMediaDirectories.hpp
 create mode 100644 ui/settings/SettingsMediaDirectoryFormView.cpp
 create mode 100644 ui/settings/SettingsMediaDirectoryFormView.hpp

diff --git a/Makefile.am b/Makefile.am
index 61091eef..006c5ba2 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -69,6 +69,8 @@ lms_SOURCES = \
 	$(top_srcdir)/ui/settings/SettingsAccountFormView.cpp	\
 	$(top_srcdir)/ui/settings/SettingsAudioFormView.cpp	\
 	$(top_srcdir)/ui/settings/SettingsDatabaseFormView.cpp	\
+	$(top_srcdir)/ui/settings/SettingsMediaDirectories.cpp	\
+	$(top_srcdir)/ui/settings/SettingsMediaDirectoryFormView.cpp	\
 	$(top_srcdir)/ui/settings/SettingsUserFormView.cpp	\
 	$(top_srcdir)/ui/settings/SettingsUsers.cpp
 
diff --git a/database-updater/DatabaseUpdater.cpp b/database-updater/DatabaseUpdater.cpp
index a1ae3d75..ea196df4 100644
--- a/database-updater/DatabaseUpdater.cpp
+++ b/database-updater/DatabaseUpdater.cpp
@@ -89,13 +89,18 @@ Updater::process(boost::system::error_code err)
 		removeMissingAudioFiles(_result.audioStats);
 		// TODO video files
 
+		// TODO remove files that do not belong to a root directory
+
 		std::vector<boost::filesystem::path> pathes;
 
 		{
 			Wt::Dbo::Transaction transaction(_db.getSession());
 			std::vector<MediaDirectory::pointer> mediaDirectories = MediaDirectory::getAll(_db.getSession());
 			BOOST_FOREACH(MediaDirectory::pointer directory, mediaDirectories)
-				pathes.push_back(directory->getPath());
+			{
+				if (directory->getType() == Database::MediaDirectory::Audio)
+					pathes.push_back(directory->getPath());
+			}
 		}
 
 		BOOST_FOREACH( boost::filesystem::path p, pathes)
@@ -311,6 +316,7 @@ Updater::refreshAudioDirectory( const boost::filesystem::path& p, Stats& stats)
 
 		typedef std::vector<boost::filesystem::path> Paths;             // store paths,
 
+		// TODO use a recursive directory iterator instead
 		Paths files;
 		std::copy(boost::filesystem::directory_iterator(p), boost::filesystem::directory_iterator(), std::back_inserter(files));
 
diff --git a/database/MediaDirectory.cpp b/database/MediaDirectory.cpp
index 39b0de37..63c42b03 100644
--- a/database/MediaDirectory.cpp
+++ b/database/MediaDirectory.cpp
@@ -44,5 +44,10 @@ MediaDirectory::getAll(Wt::Dbo::Session& session)
 
 	return std::vector<MediaDirectory::pointer>(res.begin(), res.end());
 }
+MediaDirectory::pointer
+MediaDirectory::getByPath(Wt::Dbo::Session& session, boost::filesystem::path p)
+{
+	return session.find<MediaDirectory>().where("path = ?").bind( p.string() );
+}
 
 } // namespace Database
diff --git a/database/MediaDirectory.hpp b/database/MediaDirectory.hpp
index f49b153e..0fafb925 100644
--- a/database/MediaDirectory.hpp
+++ b/database/MediaDirectory.hpp
@@ -76,6 +76,7 @@ class MediaDirectory
 		// Accessors
 		static pointer create(Wt::Dbo::Session& session, boost::filesystem::path p, Type type);
 		static std::vector<MediaDirectory::pointer>	getAll(Wt::Dbo::Session& session);
+		static pointer getByPath(Wt::Dbo::Session& session, boost::filesystem::path p);
 
 		static void eraseAll(Wt::Dbo::Session& session);
 
diff --git a/ui/approot/templates.xml b/ui/approot/templates.xml
index 96fd2262..e5300643 100644
--- a/ui/approot/templates.xml
+++ b/ui/approot/templates.xml
@@ -184,12 +184,12 @@
 	</div>
 </message>
 
-<message id="databaseForm-template">
+<message id="mediaDirectoryForm-template">
 	<legend>${title}</legend>
 	<div class="form-horizontal">
 		<div class="form-group">
 			<label class="control-label col-sm-2"  for="${id:path}">
-				Media root path
+				Path
 			</label>
 			<div class="col-sm-5">
 				${path}
@@ -198,7 +198,29 @@
 				${path-info}
 			</div>
 		</div>
+		<div class="form-group">
+			<label class="control-label col-sm-2"  for="${id:type}">
+				Type
+			</label>
+			<div class="col-sm-5">
+				${type}
+			</div>
+			<div class="help-block col-sm-5">
+				${type-info}
+			</div>
+		</div>
+		<div class="form-group">
+			<div class="col-sm-offset-2 col-sm-10">
+				${save-button} ${cancel-button}
+			</div>
+		</div>
+		${apply-info}
+	</div>
+</message>
 
+<message id="databaseForm-template">
+	<legend>${title}</legend>
+	<div class="form-horizontal">
 		<div class="form-group">
 			<label class="control-label col-sm-2"  for="${id:update-period}">
 				Update period
diff --git a/ui/audio/AudioWidget.cpp b/ui/audio/AudioWidget.cpp
index 8e76aaff..1a41dcfc 100644
--- a/ui/audio/AudioWidget.cpp
+++ b/ui/audio/AudioWidget.cpp
@@ -54,6 +54,7 @@ AudioWidget::playTrack(boost::filesystem::path p)
 
 		Transcode::InputMediaFile inputFile(p);
 
+		// TODO get the input stream bitrate and min the result with the desired bitrate
 		Transcode::Parameters parameters(inputFile, Transcode::Format::get(Transcode::Format::OGA), bitrate);
 
 		_mediaPlayer->load( parameters );
diff --git a/ui/settings/Settings.cpp b/ui/settings/Settings.cpp
index f1cd2a7c..7c592a54 100644
--- a/ui/settings/Settings.cpp
+++ b/ui/settings/Settings.cpp
@@ -6,6 +6,7 @@
 #include "SettingsUserFormView.hpp"
 #include "SettingsAccountFormView.hpp"
 #include "SettingsDatabaseFormView.hpp"
+#include "SettingsMediaDirectories.hpp"
 #include "SettingsUsers.hpp"
 
 #include "Settings.hpp"
@@ -34,7 +35,8 @@ _sessionData(sessionData)
 	menu->addItem("Audio", new AudioFormView(sessionData, Database::User::getId(user)));
 	if (user->isAdmin())
 	{
-		menu->addItem("Database", new DatabaseFormView(sessionData));
+		menu->addItem("Media Folders", new MediaDirectories(sessionData));
+		menu->addItem("Database Update", new DatabaseFormView(sessionData));
 		menu->addItem("Users", new Users(sessionData));
 	}
 	else
diff --git a/ui/settings/SettingsDatabaseFormView.cpp b/ui/settings/SettingsDatabaseFormView.cpp
index a8d9deef..659fed0b 100644
--- a/ui/settings/SettingsDatabaseFormView.cpp
+++ b/ui/settings/SettingsDatabaseFormView.cpp
@@ -24,7 +24,6 @@ class DatabaseFormModel : public Wt::WFormModel
 {
 	public:
 		// Associate each field with a unique string literal.
-		static const Field PathField;
 		static const Field UpdatePeriodField;
 		static const Field UpdateStartTimeField;
 		static const Field UpdateRequestImmediateField;
@@ -35,12 +34,10 @@ class DatabaseFormModel : public Wt::WFormModel
 		{
 			initializeModels();
 
-			addField(PathField);
 			addField(UpdatePeriodField);
 			addField(UpdateStartTimeField);
 			addField(UpdateRequestImmediateField);
 
-			setValidator(PathField, 			createPathValidator());
 			setValidator(UpdatePeriodField, 		createUpdatePeriodValidator());
 			setValidator(UpdateStartTimeField, 		createStartTimeValidator());
 			setValidator(UpdateRequestImmediateField,	createRequestImmediateFieldValidator());
@@ -56,16 +53,6 @@ class DatabaseFormModel : public Wt::WFormModel
 		{
 			Wt::Dbo::Transaction transaction(_sessionData.getDatabaseHandler().getSession());
 
-			// Get directories
-			std::vector<::Database::MediaDirectory::pointer>	directories = ::Database::MediaDirectory::getAll(_sessionData.getDatabaseHandler().getSession());
-
-			BOOST_FOREACH(::Database::MediaDirectory::pointer directory, directories)
-			{
-			        setValue(PathField, directory->getPath().string() );
-				// TODO, handle multiple directories
-				break;
-			}
-
 			// Get refresh settings
 			::Database::MediaDirectorySettings::pointer settings = ::Database::MediaDirectorySettings::get(_sessionData.getDatabaseHandler().getSession());
 
@@ -77,7 +64,7 @@ class DatabaseFormModel : public Wt::WFormModel
 			if (startTimeRow != -1)
 				setValue(UpdateStartTimeField, updateStartTime( startTimeRow ) );
 
-			setValue(UpdateRequestImmediateField, settings->getManualScanRequested() );
+			setValue(UpdateRequestImmediateField, false);
 		}
 
 		void saveData()
@@ -85,9 +72,6 @@ class DatabaseFormModel : public Wt::WFormModel
 			Wt::Dbo::Session& session( _sessionData.getDatabaseHandler().getSession());
 			Wt::Dbo::Transaction transaction(session);
 
-			::Database::MediaDirectory::eraseAll( session );
-			::Database::MediaDirectory::create(session, valueText(PathField).toUTF8(), ::Database::MediaDirectory::Audio);
-
 			::Database::MediaDirectorySettings::pointer settings = ::Database::MediaDirectorySettings::get(_sessionData.getDatabaseHandler().getSession() );
 
 			int periodRow = getUpdatePeriodModelRow( boost::any_cast<Wt::WString>(value(UpdatePeriodField)));
@@ -206,12 +190,6 @@ class DatabaseFormModel : public Wt::WFormModel
 
 		}
 
-		Wt::WValidator *createPathValidator() {
-			DirectoryValidator* v = new DirectoryValidator();
-			v->setMandatory(true);
-			return v;
-		}
-
 		Wt::WValidator *createUpdatePeriodValidator() {
 			Wt::WValidator* v = new Wt::WValidator();
 			v->setMandatory(true);
@@ -235,7 +213,6 @@ class DatabaseFormModel : public Wt::WFormModel
 
 };
 
-const Wt::WFormModel::Field DatabaseFormModel::PathField 			= "path";
 const Wt::WFormModel::Field DatabaseFormModel::UpdatePeriodField		= "update-period";
 const Wt::WFormModel::Field DatabaseFormModel::UpdateStartTimeField		= "update-start-time";
 const Wt::WFormModel::Field DatabaseFormModel::UpdateRequestImmediateField	= "update-request-immediate-scan";
@@ -255,11 +232,6 @@ DatabaseFormView::DatabaseFormView(SessionData& sessionData, Wt::WContainerWidge
 	applyInfo->hide();
 	bindWidget("apply-info", applyInfo);
 
-	// Path
-	Wt::WLineEdit *pathEdit = new Wt::WLineEdit();
-	setFormWidget(DatabaseFormModel::PathField, pathEdit);
-	pathEdit->changed().connect(applyInfo, &Wt::WWidget::hide);
-
 	// Update Period
 	Wt::WComboBox *updatePeriodCB = new Wt::WComboBox();
 	setFormWidget(DatabaseFormModel::UpdatePeriodField, updatePeriodCB);
@@ -278,7 +250,7 @@ DatabaseFormView::DatabaseFormView(SessionData& sessionData, Wt::WContainerWidge
 	immScan->changed().connect(applyInfo, &Wt::WWidget::hide);
 
 	// Title & Buttons
-	bindString("title", "Media directories settings");
+	bindString("title", "Media folder settings");
 
 	Wt::WPushButton *saveButton = new Wt::WPushButton("Apply");
 	bindWidget("apply-button", saveButton);
@@ -328,6 +300,9 @@ DatabaseFormView::processSave()
 				service->restart();
 		}
 
+		// uncheck the special button
+		model->setValue(DatabaseFormModel::UpdateRequestImmediateField, false);
+
 		applyInfo->setText( Wt::WString::fromUTF8("New parameters successfully applied!"));
 		applyInfo->setStyleClass("alert alert-success");
 	}
diff --git a/ui/settings/SettingsMediaDirectories.cpp b/ui/settings/SettingsMediaDirectories.cpp
new file mode 100644
index 00000000..1d7c9135
--- /dev/null
+++ b/ui/settings/SettingsMediaDirectories.cpp
@@ -0,0 +1,144 @@
+#include <Wt/WGroupBox>
+#include <Wt/WText>
+#include <Wt/WPushButton>
+#include <Wt/WMessageBox>
+
+#include "database/MediaDirectory.hpp"
+
+#include "SettingsMediaDirectoryFormView.hpp"
+
+#include "SettingsMediaDirectories.hpp"
+
+namespace UserInterface {
+namespace Settings {
+
+MediaDirectories::MediaDirectories(SessionData& sessionData, Wt::WContainerWidget *parent)
+: Wt::WContainerWidget(parent),
+_db(sessionData.getDatabaseHandler())
+{
+	// Stack two widgets:
+	_stack = new Wt::WStackedWidget(this);
+
+	// 1/ the media directory table view
+	{
+		Wt::WGroupBox *container = new Wt::WGroupBox("Media Folders", _stack);
+
+		_table = new Wt::WTable(container);
+
+		_table->addStyleClass("table form-inline");
+
+		_table->toggleStyleClass("table-hover", true);
+		_table->toggleStyleClass("table-striped", true);
+
+		_table->setHeaderCount(1);
+
+		_table->elementAt(0, 0)->addWidget(new Wt::WText("#"));
+		_table->elementAt(0, 1)->addWidget(new Wt::WText("Path"));
+		_table->elementAt(0, 2)->addWidget(new Wt::WText("Type"));
+
+		Wt::WPushButton* addBtn = new Wt::WPushButton("Add Folder");
+		addBtn->setStyleClass("btn-success");
+		container->addWidget( addBtn );
+		addBtn->clicked().connect(boost::bind(&MediaDirectories::handleCreateMediaDirectory, this));
+	}
+
+	refresh();
+}
+
+void
+MediaDirectories::refresh(void)
+{
+
+	assert(_table->rowCount() > 0);
+	for (int i = _table->rowCount() - 1; i > 0; --i)
+		_table->deleteRow(i);
+
+	Wt::Dbo::Transaction transaction(_db.getSession());
+
+	std::vector<Database::MediaDirectory::pointer> mediaDirectories = Database::MediaDirectory::getAll(_db.getSession());
+
+	std::size_t id = 1;
+	BOOST_FOREACH(Database::MediaDirectory::pointer mediaDirectory, mediaDirectories)
+	{
+		_table->elementAt(id, 0)->addWidget(new Wt::WText( Wt::WString::fromUTF8("{1}").arg(id)));
+		_table->elementAt(id, 1)->addWidget(new Wt::WText( Wt::WString::fromUTF8(mediaDirectory->getPath().string()) ));
+
+		Wt::WString dirType;
+		switch(mediaDirectory->getType())
+		{
+			case Database::MediaDirectory::Video:	dirType = "Video"; break;
+			case Database::MediaDirectory::Audio:	dirType = "Audio"; break;
+		}
+
+		_table->elementAt(id, 2)->addWidget( new Wt::WText( dirType ));
+
+		Wt::WPushButton* delBtn = new Wt::WPushButton("Delete");
+		delBtn->setStyleClass("btn-danger");
+		_table->elementAt(id, 3)->addWidget(delBtn);
+		delBtn->clicked().connect(boost::bind( &MediaDirectories::handleDelMediaDirectory, this, mediaDirectory->getPath() ) );
+
+		++id;
+	}
+}
+
+void
+MediaDirectories::handleDelMediaDirectory(boost::filesystem::path p)
+{
+	Wt::WMessageBox *messageBox = new Wt::WMessageBox
+		("Delete Folder",
+		Wt::WString( "Deleting folder '{1}'?").arg(p.string()),
+		 Wt::Question, Wt::Yes | Wt::No);
+
+	messageBox->setModal(true);
+
+	messageBox->buttonClicked().connect(std::bind([=] () {
+		if (messageBox->buttonResult() == Wt::Yes)
+		{
+			{
+				Wt::Dbo::Transaction transaction(_db.getSession());
+
+				// Delete the media diretory
+				Database::MediaDirectory::pointer mediaDirectory = Database::MediaDirectory::getByPath(_db.getSession(), p);
+				if (mediaDirectory)
+					mediaDirectory.remove();
+				}
+
+				refresh();
+			}
+
+		delete messageBox;
+	}));
+
+	messageBox->show();
+
+}
+
+void
+MediaDirectories::handleCreateMediaDirectory(void)
+{
+	assert(_stack->count() == 1);
+
+	MediaDirectoryFormView* formView = new MediaDirectoryFormView(_db, _stack);
+	formView->completed().connect(this, &MediaDirectories::handleMediaDirectoryFormCompleted);
+
+	_stack->setCurrentIndex(1);
+}
+
+void
+MediaDirectories::handleMediaDirectoryFormCompleted(bool changed)
+{
+	_stack->setCurrentIndex(0);
+
+	// Refresh the user table if a change has been made
+	if (changed)
+		refresh();
+
+	// Delete the form view
+	delete _stack->widget(1);
+
+}
+
+} // namespace UserInterface
+} // namespace Settings
+
+
diff --git a/ui/settings/SettingsMediaDirectories.hpp b/ui/settings/SettingsMediaDirectories.hpp
new file mode 100644
index 00000000..c06fda63
--- /dev/null
+++ b/ui/settings/SettingsMediaDirectories.hpp
@@ -0,0 +1,37 @@
+#ifndef UI_SETTINGS_MEDIA_DIRECTORIES_HPP
+#define UI_SETTINGS_MEDIA_DIRECTORIES_HPP
+
+#include <Wt/WStackedWidget>
+#include <Wt/WContainerWidget>
+#include <Wt/WTable>
+
+#include "common/SessionData.hpp"
+
+namespace UserInterface {
+namespace Settings {
+
+class MediaDirectories : public Wt::WContainerWidget
+{
+	public:
+		MediaDirectories(SessionData& sessioNData, Wt::WContainerWidget *parent = 0);
+
+		void refresh();
+
+	private:
+
+		void handleMediaDirectoryFormCompleted(bool changed);
+
+		void handleDelMediaDirectory(boost::filesystem::path p);
+		void handleCreateMediaDirectory(void);
+
+		Database::Handler&	_db;
+
+		Wt::WStackedWidget*	_stack;
+		Wt::WTable*		_table;
+};
+
+} // namespace UserInterface
+} // namespace Settings
+
+#endif
+
diff --git a/ui/settings/SettingsMediaDirectoryFormView.cpp b/ui/settings/SettingsMediaDirectoryFormView.cpp
new file mode 100644
index 00000000..70c01a67
--- /dev/null
+++ b/ui/settings/SettingsMediaDirectoryFormView.cpp
@@ -0,0 +1,160 @@
+#include <vector>
+
+#include <Wt/WStringListModel>
+#include <Wt/WLineEdit>
+#include <Wt/WFormModel>
+#include <Wt/WComboBox>
+#include <Wt/WPushButton>
+
+#include "database/MediaDirectory.hpp"
+
+#include "common/DirectoryValidator.hpp"
+
+
+#include "SettingsMediaDirectoryFormView.hpp"
+
+namespace UserInterface {
+namespace Settings {
+
+// TODO validate if directory already exists
+class MediaDirectoryFormModel : public Wt::WFormModel
+{
+	public:
+
+		// Associate each field with a unique string literal.
+		static const Field PathField;
+		static const Field TypeField;
+
+		MediaDirectoryFormModel(Database::Handler& db, Wt::WObject *parent = 0)
+			: Wt::WFormModel(parent),
+			_db(db)
+		{
+			initializeModels();
+
+			addField(PathField);
+			addField(TypeField);
+
+			DirectoryValidator* dirValidator = new DirectoryValidator();
+			dirValidator->setMandatory(true);
+			setValidator(PathField, dirValidator);
+			setValidator(TypeField, new Wt::WValidator(true)); // mandatory
+
+		}
+
+		Wt::WAbstractItemModel *typeModel() { return _typeModel; }
+
+		bool saveData(Wt::WString& error)
+		{
+			try {
+				Wt::Dbo::Transaction transaction(_db.getSession());
+
+				Database::MediaDirectory::Type type
+					= (valueText(TypeField) == "Audio") ? Database::MediaDirectory::Audio : Database::MediaDirectory::Video;
+
+				Database::MediaDirectory::create(_db.getSession(), valueText(PathField).toUTF8(), type);
+
+			}
+			catch(Wt::Dbo::Exception& exception)
+			{
+				std::cerr << "Dbo exception: " << exception.what() << std::endl;
+				return false;
+			}
+
+			return true;
+		}
+
+	private:
+		void initializeModels()
+		{
+			_typeModel = new Wt::WStringListModel(this);
+			_typeModel->addString("Audio");
+			_typeModel->addString("Video");
+		}
+
+		Database::Handler&	_db;
+		std::string		_userId;
+		Wt::WStringListModel*	_typeModel;
+};
+
+const Wt::WFormModel::Field MediaDirectoryFormModel::PathField = "path";
+const Wt::WFormModel::Field MediaDirectoryFormModel::TypeField = "type";
+
+MediaDirectoryFormView::MediaDirectoryFormView(Database::Handler& db, Wt::WContainerWidget *parent)
+: Wt::WTemplateFormView(parent)
+{
+
+	_model = new MediaDirectoryFormModel(db, this);
+
+	setTemplateText(tr("mediaDirectoryForm-template"));
+	addFunction("id", &WTemplate::Functions::id);
+	addFunction("block", &WTemplate::Functions::id);
+
+	_applyInfo = new Wt::WText();
+	_applyInfo->setInline(false);
+	_applyInfo->hide();
+	bindWidget("apply-info", _applyInfo);
+
+	// Path
+	Wt::WLineEdit* pathEdit = new Wt::WLineEdit();
+	setFormWidget(MediaDirectoryFormModel::PathField, pathEdit);
+	pathEdit->changed().connect(_applyInfo, &Wt::WWidget::hide);
+
+	// Type
+	Wt::WComboBox *typeCB = new Wt::WComboBox();
+	setFormWidget(MediaDirectoryFormModel::TypeField, typeCB);
+	typeCB->setModel(_model->typeModel());
+	typeCB->changed().connect(_applyInfo, &Wt::WWidget::hide);
+
+	// Title & Buttons
+	bindString("title", "Add Media Folder");
+
+	Wt::WPushButton *saveButton = new Wt::WPushButton("Add");
+	saveButton->setStyleClass("btn-primary");
+	bindWidget("save-button", saveButton);
+	saveButton->clicked().connect(this, &MediaDirectoryFormView::processSave);
+
+	Wt::WPushButton *cancelButton = new Wt::WPushButton("Cancel");
+	bindWidget("cancel-button", cancelButton);
+	cancelButton->clicked().connect(this, &MediaDirectoryFormView::processCancel);
+
+	updateView(_model);
+}
+
+void
+MediaDirectoryFormView::processCancel()
+{
+	// parent widget will delete this widget
+	completed().emit(false);
+}
+
+void
+MediaDirectoryFormView::processSave()
+{
+	updateModel(_model);
+
+	_applyInfo->show();
+	if (_model->validate())
+	{
+		Wt::WString error;
+		// commit model into DB
+		if (_model->saveData(error) ) {
+			completed().emit(true);
+			return;
+		}
+		else
+		{
+			_applyInfo->setText( Wt::WString::fromUTF8("Cannot apply new parameters: ") + error);
+			_applyInfo->setStyleClass("alert alert-danger");
+		}
+	}
+	else
+	{
+		_applyInfo->setText( Wt::WString::fromUTF8("Cannot apply new parameters!"));
+		_applyInfo->setStyleClass("alert alert-danger");
+	}
+
+	updateView(_model);
+}
+
+} // namespace Settings
+} // namespace UserInterface
diff --git a/ui/settings/SettingsMediaDirectoryFormView.hpp b/ui/settings/SettingsMediaDirectoryFormView.hpp
new file mode 100644
index 00000000..ba87cb25
--- /dev/null
+++ b/ui/settings/SettingsMediaDirectoryFormView.hpp
@@ -0,0 +1,37 @@
+#ifndef UI_SETTINGS_MEDIA_DIR_FORM_VIEW_HPP
+#define UI_SETTINGS_MEDIA_DIR_FORM_VIEW_HPP
+
+#include <Wt/WContainerWidget>
+#include <Wt/WTemplateFormView>
+#include <Wt/WText>
+#include <Wt/WSignal>
+
+#include "common/SessionData.hpp"
+
+namespace UserInterface {
+namespace Settings {
+
+class MediaDirectoryFormModel;
+
+class MediaDirectoryFormView : public Wt::WTemplateFormView
+{
+	public:
+		MediaDirectoryFormView(Database::Handler& db, Wt::WContainerWidget *parent = 0);
+
+		// Signal emitted once the form is completed
+		Wt::Signal<bool>&	completed()	{ return _sigCompleted; }
+
+	private:
+		void processCancel();	// reload from DB
+		void processSave(); 	// commit into DB
+
+		Wt::Signal<bool>		_sigCompleted;
+		MediaDirectoryFormModel*	_model;
+		Wt::WText*			_applyInfo;
+
+};
+
+} // namespace Settings
+} // namespace UserInterface
+
+#endif