Engine: provide individual ResourceDBs instead of one global provider

Pointers to individual ResourceDBs can be obtained from Engine now.
This allows for more specialized views and reduces complexity when
dealing with resources.

src/core/engine.cpp

@@ -62,7 +62,9 @@ fxMixerView * engine::s_fxMixerView = NULL;
 MainWindow * engine::s_mainWindow = NULL;
 bbTrackContainer * engine::s_bbTrackContainer = NULL;
 song * engine::s_song = NULL;
-UnifiedResourceProvider * engine::s_resourceProvider = NULL;
+ResourceDB * engine::s_workingDirResourceDB = NULL;
+ResourceDB * engine::s_webResourceDB = NULL;
+ResourceDB * engine::s_mergedResourceDB = NULL;
 songEditor * engine::s_songEditor = NULL;
 automationEditor * engine::s_automationEditor = NULL;
 AutomationRecorder * engine::s_automationRecorder = NULL;
@@ -92,22 +94,22 @@ void engine::init( const bool _has_gui )
 
 
 	// init resource framework
-	LocalResourceProvider * workingDirResource =
-		new LocalResourceProvider( ResourceItem::BaseWorkingDir,
-								QString() );
-	LocalResourceProvider * shippedResource =
-		new LocalResourceProvider( ResourceItem::BaseDataDir,
-								QString() );
-	WebResourceProvider * webResource =
-		new WebResourceProvider( "http://lmms.sourceforge.net" );
+	s_workingDirResourceDB =
+		( new LocalResourceProvider( ResourceItem::BaseWorkingDir,
+													QString() ) )->database();
+	ResourceDB * shippedResourceDB =
+		( new LocalResourceProvider( ResourceItem::BaseDataDir,
+													QString() ) )->database();
+	s_webResourceDB =
+		( new WebResourceProvider( "http://lmms.sourceforge.net" ) )
+																->database();
 
-	UnifiedResourceProvider * unifiedResource =
-						new UnifiedResourceProvider;
-	unifiedResource->addDatabase( workingDirResource->database() );
-	unifiedResource->addDatabase( shippedResource->database() );
-	unifiedResource->addDatabase( webResource->database() );
+	UnifiedResourceProvider * unifiedResource = new UnifiedResourceProvider;
+	unifiedResource->addDatabase( s_workingDirResourceDB );
+	unifiedResource->addDatabase( shippedResourceDB );
+	unifiedResource->addDatabase( s_webResourceDB );
 
-	s_resourceProvider = unifiedResource;
+	s_mergedResourceDB = unifiedResource->database();
 
 
 	s_fxMixer = new fxMixer;
@@ -191,8 +193,8 @@ void engine::destroy( void )
 	delete s_automationRecorder;
 	s_automationRecorder = NULL;
 
-	delete s_resourceProvider;
-	s_resourceProvider = NULL;
+	delete s_mergedResourceDB->provider();
+	s_mergedResourceDB = NULL;
 
 	delete configManager::inst();
 }

src/gui/InstrumentView.cpp

@@ -29,7 +29,6 @@
 #include "instrument_track.h"
 #include "ResourceDB.h"
 #include "string_pair_drag.h"
-#include "UnifiedResourceProvider.h"
 
 
 InstrumentView::InstrumentView( instrument * _instrument, QWidget * _parent ) :
@@ -84,7 +83,7 @@ void InstrumentView::dragEnterEvent( QDragEnterEvent * _dee )
 	if( stringPairDrag::decodeKey( _dee ) == ResourceItem::mimeKey() )
 	{
 		const ResourceItem * item =
-			engine::resourceProvider()->database()->
+			engine::mergedResourceDB()->
 				itemByHash( stringPairDrag::decodeValue( _dee ) );
 		if( item &&
 			model()->getDescriptor()->supportsFileType(
@@ -103,7 +102,7 @@ void InstrumentView::dropEvent( QDropEvent * _de )
 	if( stringPairDrag::decodeKey( _de ) == ResourceItem::mimeKey() )
 	{
 		const ResourceItem * item =
-			engine::resourceProvider()->database()->
+			engine::mergedResourceDB()->
 				itemByHash( stringPairDrag::decodeValue( _de ) );
 		model()->loadResource( item );
 		_de->accept();

src/gui/QuickLoadDialog.cpp

@@ -24,7 +24,6 @@
 
 #include "QuickLoadDialog.h"
 #include "ResourceListModel.h"
-#include "UnifiedResourceProvider.h"
 #include "engine.h"
 
 #include "ui_QuickLoadDialog.h"
@@ -34,8 +33,7 @@
 QuickLoadDialog::QuickLoadDialog( QWidget * _parent ) :
 	QDialog( _parent ),
 	ui( new Ui::QuickLoadDialog ),
-	m_listModel( new ResourceListModel(
-							engine::resourceProvider()->database(), this ) )
+	m_listModel( new ResourceListModel( engine::mergedResourceDB(), this ) )
 {
 	ui->setupUi( this );
 
@@ -47,7 +45,7 @@ QuickLoadDialog::QuickLoadDialog( QWidget * _parent ) :
 
 	// connect filter edit with model
 	connect( ui->filterEdit, SIGNAL( textChanged( const QString & ) ),
-				m_listModel, SLOT( setFilter( const QString & ) ) );
+				m_listModel, SLOT( setKeywordFilter( const QString & ) ) );
 }
 
 

src/gui/ResourceBrowser.cpp

@@ -33,7 +33,6 @@
 #include "ResourceFileMapper.h"
 #include "ResourceTreeModel.h"
 #include "ResourceTreeView.h"
-#include "UnifiedResourceProvider.h"
 #include "engine.h"
 #include "embed.h"
 #include "MainWindow.h"
@@ -79,7 +78,7 @@ ResourceBrowser::ResourceBrowser( QWidget * _parent ) :
 			_parent ),
 	m_previewer(),
 	m_filterEdit( NULL ),
-	m_treeModel( engine::resourceProvider()->database() )
+	m_treeModel( engine::mergedResourceDB() )
 {
 	// create a model which represents our database as a tree
 

src/gui/track_container_view.cpp

@@ -34,7 +34,6 @@
 #include "ResourceDB.h"
 #include "ResourceItem.h"
 #include "ResourceFileMapper.h"
-#include "UnifiedResourceProvider.h"
 
 #include "track_container_view.h"
 #include "track_container.h"
@@ -404,8 +403,7 @@ void trackContainerView::dropEvent( QDropEvent * _de )
 	if( type == ResourceItem::mimeKey() )
 	{
 		const ResourceItem * item =
-			engine::resourceProvider()->database()->
-						itemByHash( value );
+			engine::mergedResourceDB()->itemByHash( value );
 		if( item )
 		{
 			ResourceAction action( item );
@@ -415,15 +413,13 @@ void trackContainerView::dropEvent( QDropEvent * _de )
 	case ResourceItem::TypePreset:
 		action.loadPreset(
 			dynamic_cast<instrumentTrack *>(
-				track::create( track::InstrumentTrack,
-								m_tc ) ) );
+				track::create( track::InstrumentTrack, m_tc ) ) );
 		break;
 	case ResourceItem::TypeSample:
 	case ResourceItem::TypePluginSpecificResource:
 		action.loadByPlugin(
 			dynamic_cast<instrumentTrack *>(
-				track::create( track::InstrumentTrack,
-								m_tc ) ) );
+				track::create( track::InstrumentTrack, m_tc ) ) );
 		break;
 	case ResourceItem::TypeForeignProject:
 		action.importProject( m_tc );

src/tracks/instrument_track.cpp

@@ -40,7 +40,6 @@
 
 #include "ResourceAction.h"
 #include "ResourceDB.h"
-#include "UnifiedResourceProvider.h"
 
 #include "instrument_track.h"
 #include "AudioPort.h"
@@ -1505,8 +1504,7 @@ void instrumentTrackWindow::dropEvent( QDropEvent * _de )
 	else if( type == ResourceItem::mimeKey() )
 	{
 		const ResourceItem * item =
-			engine::resourceProvider()->database()->
-						itemByHash( value );
+			engine::mergedResourceDB()->itemByHash( value );
 		if( !item )
 		{
 			return;