Re-enable some of the "Delete Recordings" screen (if the theme uses it).

Refs #7336. Doesn't commit any of the default theme changes yet.
Of course, since I opened that ticket, something has changed,
so usedbar/freereport are never updated, but I'll work on that.


git-svn-id: http://svn.mythtv.org/svn/trunk@23293 7dbf422c-18fa-0310-86e9-fd20926502f2

mythtv/programs/mythfrontend/playbackbox.cpp

@@ -472,8 +472,12 @@ PlaybackBox::~PlaybackBox(void)
 
 bool PlaybackBox::Create()
 {
-    if (!LoadWindowFromXML("recordings-ui.xml", "watchrecordings", this))
-        return false;
+    if (m_type == kDeleteBox &&
+            LoadWindowFromXML("recordings-ui.xml", "deleterecordings", this))
+        VERBOSE(VB_EXTRA, "Found a customised delete recording screen");
+    else
+        if (!LoadWindowFromXML("recordings-ui.xml", "watchrecordings", this))
+            return false;
 
     m_groupList     = dynamic_cast<MythUIButtonList *> (GetChild("groups"));
     m_recordingList = dynamic_cast<MythUIButtonList *> (GetChild("recordings"));
@@ -638,6 +642,24 @@ void PlaybackBox::updateGroupInfo(const QString &groupname,
     else
         desc = tr("There are no recordings in this display group");
 
+    if (m_type == kDeleteBox && countInGroup > 1)
+    {
+        ProgramList  group     = m_progLists[groupname];
+        float        groupSize = 0.0;
+
+        for (ProgramList::iterator it = group.begin(); it != group.end(); ++it)
+        {
+            ProgramInfo *info = *it;
+            if (info)
+                groupSize += info->GetFilesize();
+        }
+
+        desc += tr(", which consume %1");
+        desc += tr("GB", "GigaBytes");
+
+        desc = desc.arg(groupSize / 1024.0 / 1024.0 / 1024.0, 0, 'f', 2);
+    }
+
     infoMap["description"] = desc;
     infoMap["rec_count"] = QString("%1").arg(countInGroup);