Improve the playlists-choose dialog

lib/xclient.cpp

@@ -74,7 +74,7 @@ XClient::XClient (QObject *parent, const std::string &name) : QObject (parent),
 	m_client = NULL;
     m_isconnected = false;
 	m_cache = new XClientCache (this, this);
-	m_config = new XConfig (this, this);
+	m_config = new XConfig (this);
 	m_collection = new XCollection (this);
 	m_name = name;
 }

lib/xcollection.cpp

@@ -39,6 +39,11 @@ XCollection::on_connect (XClient *client)
 	client->collection ()->list ("Playlists")
 	        (Xmms::bind (&XCollection::handle_playlists_list, this));
 
+	client->playlist ()->currentActive ()
+	        (Xmms::bind (&XCollection::handle_active_pls_changed, this));
+	client->playlist ()->broadcastLoaded ()
+	        (Xmms::bind (&XCollection::handle_active_pls_changed, this));
+
 	m_client = client;
 }
 
@@ -93,6 +98,19 @@ XCollection::on_collection_modified (const Xmms::Dict &value)
 	return true;
 }
 
+bool
+XCollection::remove (QString name, QString ns) {
+	if (!m_client->isConnected ()) return false;
+
+	m_client->collection ()->remove (name.toStdString (), ns.toAscii ());
+
+	return true;
+}
+
+/*
+ *  idList (Playlist) stuff
+ */
+
 bool
 XCollection::handle_playlists_list (const Xmms::List< std::string > &list)
 {
@@ -125,6 +143,16 @@ XCollection::setActivePlaylist (QString name) {
 	return true;
 }
 
+bool
+XCollection::handle_active_pls_changed (const std::string &name) {
+	QString tmp = m_activePlaylist;
+	m_activePlaylist = XClient::stdToQ (name);
+
+	emit activePlaylistChanged (m_activePlaylist, tmp);
+
+	return true;
+}
+
 // FIXME: should be done in a more generic way
 bool
 XCollection::addIdlist (QString name) {
@@ -134,12 +162,3 @@ XCollection::addIdlist (QString name) {
 
 	return true;
 }
-
-bool
-XCollection::remove (QString name, QString ns) {
-	if (!m_client->isConnected ()) return false;
-
-	m_client->collection ()->remove (name.toStdString (), ns.toAscii ());
-
-	return true;
-}

lib/xcollection.h

@@ -30,22 +30,30 @@ class XCollection : public QObject
 		XCollection (XClient *client);
 		QStringList list (QString ns = "Playlists");
 
-		bool setActivePlaylist (QString name);
-		bool addIdlist (QString name);
 		bool remove (QString name, QString ns);
+		// idlist specific
+		bool setActivePlaylist (QString name);
+		QString activePlaylist () {return m_activePlaylist;}
+		bool addIdlist (QString name);
 
 	signals:
 		void collectionModified (QString collection, QString ns, int type,
 		                         QString newname);
 
+		void activePlaylistChanged (QString newActive, QString oldActive);
+
 	protected slots:
 		void on_connect (XClient *);
 
 	private:
 		bool on_collection_modified (const Xmms::Dict &value);
 		bool handle_playlists_list (const Xmms::List< std::string > &list);
+		bool handle_active_pls_changed (const std::string &name);
+
 		XClient *m_client;
 		QStringList m_playlists;
+
+		QString m_activePlaylist;
 };
 
 #endif

lib/xconfig.cpp

@@ -20,18 +20,18 @@
 
 #include <QList>
 
-XConfig::XConfig (QObject *parent, XClient *client) : QObject (parent)
+XConfig::XConfig (XClient *parent) : QObject (parent)
 {
 	m_ready = false;
 
-	connect (client, SIGNAL (gotConnection (XClient *)),
+	connect (parent, SIGNAL (gotConnection (XClient *)),
 	         this, SLOT (on_connect (XClient *)));
 
-	connect (client, SIGNAL (disconnected (XClient *)),
+	connect (parent, SIGNAL (disconnected (XClient *)),
 	         this, SLOT (on_disconnect (XClient *)));
 
-	if (client->isConnected ()) {
-		on_connect (client);
+	if (parent->isConnected ()) {
+		on_connect (parent);
 	}
 }
 

lib/xconfig.h

@@ -27,7 +27,7 @@ class XConfig : public QObject
 {
 	Q_OBJECT
 	public:
-		XConfig (QObject *parent, XClient *client);
+		XConfig (XClient *parent);
 
 		QString value_get (QString key);
 		bool value_set (QString key, QString value);

src/dialogs/playlistchooser.cpp

@@ -35,20 +35,28 @@ PlaylistChooser::PlaylistChooser (QWidget *parent, XCollection *coll)
 
 	m_collection = coll;
 
-	// FIXME: implement creation of new Playlists
-//	playlistCreateButton->setEnabled (false);
-//	playlistRemoveButton->setEnabled (false);
+	// the createButton will be enabled as soon as textEdit contains a name
+	// that is not equal to an existing Playlist
+	createButton->setEnabled (false);
+
+	// selectButton will be enabled when exactly one item is selected
+	selectButton->setEnabled (false);
 
 	// fill the List with Playlistnames.
 	// Sort out playlists that start with '_'
 	QRegExp regex = QRegExp ("^[^_]");
 	QStringList lists = coll->list ("Playlists").filter (regex);
-	playlistsListWidget->setSortingEnabled (true);
-	playlistsListWidget->addItems (lists);
+	listWidget->setSortingEnabled (true);
+	listWidget->addItems (lists);
 	connect (coll, SIGNAL (collectionModified (QString, QString, int, QString)),
 	         this, SLOT (handle_playlists_modified (QString, QString, int,
 			                                       QString)));
 
+	// display active Playlist in bold Font
+	QString activePls = coll->activePlaylist ();
+	handle_active_pls_changed (activePls, "");
+	connect (coll, SIGNAL (activePlaylistChanged (QString, QString)),
+	         this, SLOT (handle_active_pls_changed (QString, QString)));
 }
 
 void
@@ -62,17 +70,21 @@ PlaylistChooser::handle_playlists_modified (QString name, QString ns,
 	switch (type) {
 		case XMMS_COLLECTION_CHANGED_ADD:
 			if (!name.startsWith("_")) {
-				playlistsListWidget->addItem(name);
+				listWidget->addItem(name);
+			}
+			// if we created the playlist, make is the active playlist
+			if (name == textEdit->text ()) {
+				m_collection->setActivePlaylist (name);
 			}
 			break;
 		case XMMS_COLLECTION_CHANGED_REMOVE: {
 				QList<QListWidgetItem *> list
-				   = playlistsListWidget->findItems (name, Qt::MatchExactly);
+				   = listWidget->findItems (name, Qt::MatchExactly);
 				if (!list.empty ()) {
 					// we should only have one exatly matching String
 					QListWidgetItem* item = list.first ();
-					int idx = playlistsListWidget->row (item);
-					item = playlistsListWidget->takeItem (idx);
+					int idx = listWidget->row (item);
+					item = listWidget->takeItem (idx);
 					delete item;
 				}
 			}
@@ -80,17 +92,17 @@ PlaylistChooser::handle_playlists_modified (QString name, QString ns,
 		case XMMS_COLLECTION_CHANGED_RENAME: {
 				// remove the old entry
 				QList<QListWidgetItem *> list
-				   = playlistsListWidget->findItems (name, Qt::MatchExactly);
+				   = listWidget->findItems (name, Qt::MatchExactly);
 				if (!list.empty ()) {
 					// we should only have one exatly matching String
 					QListWidgetItem* item = list.first ();
-					int idx = playlistsListWidget->row (item);
-					item = playlistsListWidget->takeItem (idx);
+					int idx = listWidget->row (item);
+					item = listWidget->takeItem (idx);
 					delete item;
 				}
 				// and add the new one
 				if (!newname.startsWith("_")) {
-					playlistsListWidget->addItem(newname);
+					listWidget->addItem(newname);
 				}
 			}
 			break;
@@ -102,20 +114,51 @@ PlaylistChooser::handle_playlists_modified (QString name, QString ns,
 
 
 void
-PlaylistChooser::on_playlistCreateButton_clicked ()
+PlaylistChooser::handle_active_pls_changed (QString newActive,
+                                            QString oldActive)
 {
-	QString name = playlistTextEdit->text ();
-	// only create new playlist, if it doesn't already exist
-	if (m_collection->list ("Playlists").contains (name)) return;
+	QListWidgetItem *item;
+	QFont font;
+	QList <QListWidgetItem *> list;
 
-	m_collection->addIdlist (name);
+	// newActive and oldActive can match at most once each
+	// paint former active Playlist no longer in bold
+	list = listWidget->findItems (oldActive, Qt::MatchExactly);
+	if (!list.empty ()) {
+		item = list.first ();
+		font = item->font ();
+		font.setBold (false);
+		item->setFont (font);
+	}
+
+	// paint new active Playlist in bold
+	list = listWidget->findItems (newActive, Qt::MatchExactly);
+	if (!list.empty ()) {
+		item = list.first ();
+		font = item->font ();
+		font.setBold (true);
+		item->setFont (font);
+	}
+
+	// update the activestate of the selectButton
+	on_listWidget_itemSelectionChanged ();
 }
 
+
+bool
+PlaylistChooser::playlistExists (QString name) {
+	// Use the information from m_collection, as listWidger
+	// doesn't contain hidden Playlists
+	return m_collection->list ("Playlists").contains (name);
+}
+
+
 void
-PlaylistChooser::on_playlistRemoveButton_clicked ()
+PlaylistChooser::on_removeButton_clicked ()
 {
-	QList<QListWidgetItem *> list = playlistsListWidget->selectedItems ();
-	if (list.empty ()) return; // nothing to do
+	QList<QListWidgetItem *> list = listWidget->selectedItems ();
+	if (list.empty ())
+		return; // nothing to do
 
 	// TODO: if we change the selectionmodel to multiselection,
 	// change this tp remove more than one item
@@ -124,9 +167,58 @@ PlaylistChooser::on_playlistRemoveButton_clicked ()
 	m_collection->remove (name, "Playlists");
 }
 
+
 void
-PlaylistChooser::on_playlistsListWidget_itemDoubleClicked (QListWidgetItem* item)
+PlaylistChooser::on_createButton_clicked ()
+{
+	QString name = textEdit->text ();
+	// only create new playlist, if it doesn't already exist
+	if (playlistExists (name)) return;
+
+	m_collection->addIdlist (name);
+}
+
+
+void
+PlaylistChooser::on_selectButton_clicked ()
+{
+	QList <QListWidgetItem *> list = listWidget->selectedItems ();
+	if (list.size () == 1) {
+		QListWidgetItem * item = list.first ();
+		m_collection->setActivePlaylist (item->text ());
+	}
+}
+
+
+void
+PlaylistChooser::on_listWidget_itemDoubleClicked (QListWidgetItem* item)
 {
 	QString name = item->text ();
 	m_collection->setActivePlaylist (name);
 }
+
+void
+PlaylistChooser::on_listWidget_itemSelectionChanged ()
+{
+	QList <QListWidgetItem *> list = listWidget->selectedItems ();
+	// enable selectButton, if one item is selected and does not represent
+	// the currently active playlist
+	selectButton->setEnabled ((list.size () == 1)
+	                          && (list.first ()->text ()
+							      != m_collection->activePlaylist ()));
+
+	// enable removeButton if more than one item is selected
+	// or if the selected item is not the actice Playlist
+	removeButton->setEnabled ((list.size () > 1) ||
+	                          ( (list.size () == 1) && (list.first ()->text ()
+	                                    != m_collection->activePlaylist ())));
+}
+
+void
+PlaylistChooser::on_textEdit_textChanged ()
+{
+	// Enable createButton only, if no playlist with that name exists
+	// and the textEdit is not empty
+	createButton->setEnabled ((!playlistExists (textEdit->text ())
+	                           && (textEdit->text () != "")));
+}

src/dialogs/playlistchooser.h

@@ -32,14 +32,21 @@ class PlaylistChooser : public QDialog,  private Ui::PlaylistChooser {
 
 
 	private slots:
+		// XCollection change handlers
 		void handle_playlists_modified (QString, QString, int, QString);
+		void handle_active_pls_changed (QString, QString);
 
-		void on_playlistCreateButton_clicked ();
-		void on_playlistRemoveButton_clicked ();
-
-		void on_playlistsListWidget_itemDoubleClicked (QListWidgetItem* item);
+		// autoconnect Slots
+		void on_removeButton_clicked ();
+		void on_createButton_clicked ();
+		void on_selectButton_clicked ();
+		void on_listWidget_itemDoubleClicked (QListWidgetItem* item);
+		void on_listWidget_itemSelectionChanged ();
+		void on_textEdit_textChanged ();
 
 	private:
+		bool playlistExists (QString name);
+
 		XCollection* m_collection;
 };
 

src/dialogs/playlistchooser.ui

@@ -5,8 +5,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>260</width>
-    <height>301</height>
+    <width>266</width>
+    <height>302</height>
    </rect>
   </property>
   <property name="windowTitle" >
@@ -16,10 +16,10 @@
    <item>
     <layout class="QHBoxLayout" >
      <item>
-      <widget class="QLineEdit" name="playlistTextEdit" />
+      <widget class="QLineEdit" name="textEdit" />
      </item>
      <item>
-      <widget class="QPushButton" name="playlistCreateButton" >
+      <widget class="QPushButton" name="createButton" >
        <property name="text" >
         <string>Create</string>
        </property>
@@ -28,7 +28,7 @@
     </layout>
    </item>
    <item>
-    <widget class="QListWidget" name="playlistsListWidget" >
+    <widget class="QListWidget" name="listWidget" >
      <property name="verticalScrollBarPolicy" >
       <enum>Qt::ScrollBarAsNeeded</enum>
      </property>
@@ -40,7 +40,7 @@
    <item>
     <layout class="QHBoxLayout" >
      <item>
-      <widget class="QPushButton" name="playlistRemoveButton" >
+      <widget class="QPushButton" name="removeButton" >
        <property name="text" >
         <string>Remove</string>
        </property>
@@ -59,6 +59,19 @@
        </property>
       </spacer>
      </item>
+     <item>
+      <widget class="QPushButton" name="selectButton" >
+       <property name="toolTip" >
+        <string>&lt;html>&lt;head>&lt;meta name="qrichtext" content="1" />&lt;style type="text/css">
+p, li { white-space: pre-wrap; }
+&lt;/style>&lt;/head>&lt;body style=" font-family:'Sans Serif'; font-size:10pt; font-weight:400; font-style:normal;">
+&lt;p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Set the currently selected playlist as active playlist&lt;/p>&lt;/body>&lt;/html></string>
+       </property>
+       <property name="text" >
+        <string>Select</string>
+       </property>
+      </widget>
+     </item>
      <item>
       <widget class="QPushButton" name="closeButton" >
        <property name="text" >
@@ -89,9 +102,9 @@
    </hints>
   </connection>
   <connection>
-   <sender>playlistsListWidget</sender>
+   <sender>listWidget</sender>
    <signal>currentTextChanged(QString)</signal>
-   <receiver>playlistTextEdit</receiver>
+   <receiver>textEdit</receiver>
    <slot>setText(QString)</slot>
    <hints>
     <hint type="sourcelabel" >