From 4ffd1234e51b6109f45c8bb5576066ce30db3a99 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <wyskas@gmail.com>
Date: Sun, 29 Nov 2009 11:37:41 +0100
Subject: Songinfo: only edit settings when connected.

---
 nephilim/plugins/Songinfo.py | 96 ++++++++++++++++++++++++--------------------
 1 file changed, 52 insertions(+), 44 deletions(-)

diff --git a/nephilim/plugins/Songinfo.py b/nephilim/plugins/Songinfo.py
index 7214c41..856b39b 100644
--- a/nephilim/plugins/Songinfo.py
+++ b/nephilim/plugins/Songinfo.py
@@ -31,49 +31,6 @@ class Songinfo(Plugin):
     DEFAULTS = {'tagtypes' : ['track', 'title', 'artist', 'album',
                              'albumartist', 'disc', 'genre', 'date', 'composer', 'performer', 'file']}
 
-    #### private ####
-
-    class SettingsWidgetSonginfo(Plugin.SettingsWidget):
-        # private
-        taglist = None
-
-        def __init__(self, plugin):
-            Plugin.SettingsWidget.__init__(self, plugin)
-            self.settings.beginGroup(self.plugin.name)
-
-            tags_enabled = self.settings.value('tagtypes').toStringList()
-            tags         = self.plugin.mpclient.tagtypes
-            self.taglist = QtGui.QListWidget(self)
-            self.taglist.setDragDropMode(QtGui.QAbstractItemView.InternalMove)
-            for tag in [tag for tag in tags_enabled if tag in tags]:
-                it = QtGui.QListWidgetItem(tag)
-                it.setCheckState(QtCore.Qt.Checked)
-                self.taglist.addItem(it)
-            for tag in [tag for tag in tags if tag not in tags_enabled]:
-                it = QtGui.QListWidgetItem(tag)
-                it.setCheckState(QtCore.Qt.Unchecked)
-                self.taglist.addItem(it)
-
-            self.setLayout(QtGui.QVBoxLayout())
-            self._add_widget(self.taglist, label = 'Tags', tooltip = 'A list of tags that should be displayed.\n'
-                                      'Use drag and drop to change their order')
-
-            self.settings.endGroup()
-
-        def save_settings(self):
-            self.settings.beginGroup(self.plugin.name)
-
-            tags = []
-            for i in range(self.taglist.count()):
-                it = self.taglist.item(i)
-                if it.checkState() == QtCore.Qt.Checked:
-                    tags.append(it.text())
-            self.settings.setValue('tagtypes', QtCore.QVariant(tags))
-
-            self.settings.endGroup()
-            self.plugin.update_tagtypes()
-            self.plugin.refresh()
-
     #### public ####
     def __init__(self, parent, mpclient, name):
         Plugin.__init__(self, parent, mpclient, name)
@@ -98,7 +55,7 @@ class Songinfo(Plugin):
         return self._create_dock(self.o)
 
     def get_settings_widget(self):
-        return self.SettingsWidgetSonginfo(self)
+        return SettingsWidgetSonginfo(self)
 
     def update_tagtypes(self):
         self.__tags = [tag for tag in self.settings.value(self.name + '/tagtypes').toStringList() if tag in self.mpclient.tagtypes]
@@ -150,3 +107,54 @@ class SonginfoWidget(QtGui.QWidget):
         """Set displayed metadata, which is provided in a dict of { tag : value }."""
         for tag in metadata:
             self.__labels[tag].setText(unicode(metadata[tag]))
+
+class SettingsWidgetSonginfo(Plugin.SettingsWidget):
+    # private
+    taglist = None
+
+    def __init__(self, plugin):
+        Plugin.SettingsWidget.__init__(self, plugin)
+        self.settings.beginGroup(self.plugin.name)
+
+        self.taglist = QtGui.QListWidget(self)
+        self.taglist.setDragDropMode(QtGui.QAbstractItemView.InternalMove)
+        self.__update_tags()
+        self.plugin.mpclient.connect_changed.connect(self.__update_tags)
+
+        self.setLayout(QtGui.QVBoxLayout())
+        self._add_widget(self.taglist, label = 'Tags', tooltip = 'A list of tags that should be displayed.\n'
+                                  'Use drag and drop to change their order')
+
+
+    def __update_tags(self):
+        self.taglist.setEnabled(self.plugin.mpclient.is_connected())
+        if not self.plugin.mpclient.is_connected():
+            return
+
+        self.taglist.clear()
+        tags_enabled = self.settings.value('tagtypes').toStringList()
+        tags         = self.plugin.mpclient.tagtypes
+        for tag in [tag for tag in tags_enabled if tag in tags]:
+            it = QtGui.QListWidgetItem(tag)
+            it.setCheckState(QtCore.Qt.Checked)
+            self.taglist.addItem(it)
+        for tag in [tag for tag in tags if tag not in tags_enabled]:
+            it = QtGui.QListWidgetItem(tag)
+            it.setCheckState(QtCore.Qt.Unchecked)
+            self.taglist.addItem(it)
+
+    def save_settings(self):
+        if not self.taglist.isEnabled():
+            return
+
+        self.settings.beginGroup(self.plugin.name)
+
+        tags = []
+        for i in range(self.taglist.count()):
+            it = self.taglist.item(i)
+            if it.checkState() == QtCore.Qt.Checked:
+                tags.append(it.text())
+        self.settings.setValue('tagtypes', QtCore.QVariant(tags))
+
+        self.plugin.update_tagtypes()
+        self.plugin.refresh()
-- 
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