Add Info dialog to clusters, showing track list

The track list can be copied to MB release editor.

picard/cluster.py

@@ -126,6 +126,12 @@ class Cluster(QtCore.QObject, Item):
     def can_browser_lookup(self):
         return not self.special
 
+    def can_view_info(self):
+        if self.files:
+            return True
+        else:
+            return False
+
     def is_album_like(self):
         return True
 
@@ -284,6 +290,9 @@ class UnmatchedFiles(Cluster):
     def can_autotag(self):
         return len(self.files) > 0
 
+    def can_view_info(self):
+        return False
+
 
 class ClusterList(list, Item):
 

picard/ui/infodialog.py

@@ -167,3 +167,32 @@ class AlbumInfoDialog(InfoDialog):
         else:
             tabWidget.setTabText(tab_index, _("&Info"))
             self.tab_hide(tab)
+
+
+class ClusterInfoDialog(InfoDialog):
+
+    def __init__(self, cluster, parent=None):
+        InfoDialog.__init__(self, cluster, parent)
+        self.setWindowTitle(_("Cluster Info"))
+
+    def _display_info_tab(self):
+        tab = self.ui.info_tab
+        cluster = self.obj
+        tabWidget = self.ui.tabWidget
+        tab_index = tabWidget.indexOf(tab)
+        tabWidget.setTabText(tab_index, _("&Info"))
+        info = []
+        info.append("<b>%s</b> %s" % (_('Album:'),
+                                     unicode(QtCore.Qt.escape(cluster.metadata["album"]))))
+        info.append("<b>%s</b> %s" % (_('Artist:'),
+                                     unicode(QtCore.Qt.escape(cluster.metadata["albumartist"]))))
+        lines = []
+        for file in cluster.iterfiles(False):
+            artist = file.metadata["artist"] or file.metadata["albumartist"] or cluster.metadata["albumartist"]
+            lines.append(file.metadata["tracknumber"]+ u" " +
+                         file.metadata["title"] + " - " + artist + " (" +
+                         file.metadata["~length"]+  ")")
+        info.append("<b>%s</b><br />%s" % (_('Tracklist:'),
+                        '<br />'.join([unicode(QtCore.Qt.escape(s)) for s in
+                                       lines])))
+        self.ui.info.setText('<br/>'.join(info))

picard/ui/itemviews.py

@@ -256,6 +256,8 @@ class BaseTreeView(QtGui.QTreeWidget):
             if isinstance(obj, NonAlbumTrack):
                 menu.addAction(self.window.refresh_action)
         elif isinstance(obj, Cluster):
+            if can_view_info:
+                menu.addAction(self.window.view_info_action)
             menu.addAction(self.window.browser_lookup_action)
             menu.addSeparator()
             menu.addAction(self.window.autotag_action)

picard/ui/mainwindow.py

@@ -23,9 +23,10 @@ import sys
 import os.path
 
 from picard import config, log
+from picard.album import Album
+from picard.cluster import Cluster
 from picard.file import File
 from picard.track import Track
-from picard.album import Album
 from picard.formats import supported_formats
 from picard.ui.coverartbox import CoverArtBox
 from picard.ui.itemviews import MainPanel
@@ -33,7 +34,7 @@ from picard.ui.metadatabox import MetadataBox
 from picard.ui.filebrowser import FileBrowser
 from picard.ui.tagsfromfilenames import TagsFromFileNamesDialog
 from picard.ui.options.dialog import OptionsDialog
-from picard.ui.infodialog import FileInfoDialog, AlbumInfoDialog
+from picard.ui.infodialog import FileInfoDialog, AlbumInfoDialog, ClusterInfoDialog
 from picard.ui.infostatus import InfoStatus
 from picard.ui.passworddialog import PasswordDialog
 from picard.ui.util import find_starting_directory, ButtonLineEdit
@@ -774,6 +775,9 @@ class MainWindow(QtGui.QMainWindow):
         if isinstance(self.selected_objects[0], Album):
             album = self.selected_objects[0]
             dialog = AlbumInfoDialog(album, self)
+        elif isinstance(self.selected_objects[0], Cluster):
+            cluster = self.selected_objects[0]
+            dialog = ClusterInfoDialog(cluster, self)
         else:
             file = self.tagger.get_files_from_objects(self.selected_objects)[0]
             dialog = FileInfoDialog(file, self)