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[virt-tools-list] [PATCH 05/10] Added the new base config screen class for working with storage pools.



From: "Darryl L. Pierce" <dpierce redhat com>

---
 src/virtManagerTui/storagelistconfigscreen.py |   84 +++++++++++++++++++++++++
 1 files changed, 84 insertions(+), 0 deletions(-)
 create mode 100644 src/virtManagerTui/storagelistconfigscreen.py

diff --git a/src/virtManagerTui/storagelistconfigscreen.py b/src/virtManagerTui/storagelistconfigscreen.py
new file mode 100644
index 0000000..fbab927
--- /dev/null
+++ b/src/virtManagerTui/storagelistconfigscreen.py
@@ -0,0 +1,84 @@
+# storagelistconfigscreen.py - Copyright (C) 2011 Red Hat, Inc.
+# Written by Darryl L. Pierce <dpierce redhat com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+# MA  02110-1301, USA.  A copy of the GNU General Public License is
+# also available at http://www.gnu.org/copyleft/gpl.html.
+
+import snack
+
+from vmmconfigscreen import VmmTuiConfigScreen
+
+from halworker import HALWorker
+from libvirtworker import LibvirtWorker, VirtManagerConfig
+import traceback
+
+class StorageListConfigScreen(VmmTuiConfigScreen):
+    '''Provides a base class for any configuration screen that deals with storage pool lists.'''
+
+    def __init__(self, title):
+        VmmTuiConfigScreen.__init__(self, title)
+        self.__has_pools = None
+        self.__pools_list = None
+        self.__has_volumes = None
+        self.__volumes_list = None
+
+    def get_storage_pool_list_page(self, screen, defined=True, created=True):
+        ignore = screen
+        pools = self.get_libvirt().list_storage_pools(defined=defined, created=created)
+        if len(pools) > 0:
+            self.__has_pools = True
+            self.__pools_list = snack.Listbox(0)
+            for pool in pools:
+                self.__pools_list.append(pool, pool)
+            result = self.__pools_list
+        else:
+            self.__has_pools = False
+            result = snack.Label("There are no storage pools available.")
+        grid = snack.Grid(1, 1)
+        grid.setField(result, 0, 0)
+        return [snack.Label("Storage Pool List"),
+                grid]
+
+    def get_selected_pool(self):
+        return self.__pools_list.current()
+
+    def has_selectable_pools(self):
+        return self.__has_pools
+
+    def get_storage_volume_list_page(self, screen):
+        '''Requires that self.__pools_list have a selected element.'''
+        ignore = screen
+        pool = self.get_libvirt().get_storage_pool(self.get_selected_pool())
+        if len(pool.listVolumes()) > 0:
+            self.__has_volumes = True
+            self.__volumes_list = snack.Listbox(0)
+            for volname in pool.listVolumes():
+                volume = pool.storageVolLookupByName(volname)
+                self.__volumes_list.append("%s (%0.2f GB)" % (volume.name(), volume.info()[2] / 1024**3), volume.name())
+            result = self.__volumes_list
+        else:
+            self.__has_volumes = False
+            result = snack.Label("There are no storage volumes available.")
+        grid = snack.Grid(1, 1)
+        grid.setField(result, 0, 0)
+        return [snack.Label("Storage Volume List"),
+                grid]
+
+    def get_selected_volume(self):
+        return self.__volumes_list.current()
+
+    def has_selectable_volumes(self):
+        return self.__has_volumes
+
-- 
1.7.6


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