[PATCH proxmox-backup 24/28] ui: add retention timespan form and use it for sync job edit window

[Christian Ebner <c.ebner@proxmox.com>]

Based on the calender event form, the retention timespan form
provides some useful template values for snapshot retention to
be set on sync jobs.

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
 www/Makefile                  |  1 +
 www/form/RetentionTimespan.js | 21 +++++++++++++++++++++
 www/window/SyncJobEdit.js     |  9 +++++++++
 3 files changed, 31 insertions(+)
 create mode 100644 www/form/RetentionTimespan.js

diff --git a/www/Makefile b/www/Makefile
index 568836455..e14a17507 100644
--- a/www/Makefile
+++ b/www/Makefile
@@ -56,6 +56,7 @@ JSSRC=							\
 	form/GroupFilter.js				\
 	form/VerifyOutdatedAfter.js			\
 	form/EncryptionKeySelector.js			\
+	form/RetentionTimespan.js			\
 	data/RunningTasksStore.js			\
 	button/TaskButton.js				\
 	panel/PrunePanel.js				\
diff --git a/www/form/RetentionTimespan.js b/www/form/RetentionTimespan.js
new file mode 100644
index 000000000..9a84c59a2
--- /dev/null
+++ b/www/form/RetentionTimespan.js
@@ -0,0 +1,21 @@
+Ext.define('PBS.data.RetentionTimespanTemplates', {
+    extend: 'Ext.data.Store',
+    alias: 'store.retentionTimespanTemplates',
+
+    field: ['value', 'text'],
+    data: [
+        { value: '1 day', text: Ext.String.format(gettext('Retain for {0} day'), 1) },
+        { value: '4 weeks', text: Ext.String.format(gettext('Retain for {0} weeks'), 4) },
+        { value: '1 month', text: Ext.String.format(gettext('Retain for {0} month'), 1) },
+        { value: '1 year', text: Ext.String.format(gettext('Retain for {0} year'), 1) },
+    ],
+});
+
+Ext.define('PBS.form.RetentionTimespan', {
+    extend: 'PBS.form.CalendarEvent',
+    alias: 'widget.pbsRetentionTimespan',
+
+    store: {
+        type: 'retentionTimespanTemplates',
+    },
+});
diff --git a/www/window/SyncJobEdit.js b/www/window/SyncJobEdit.js
index 961ce2951..91519f95a 100644
--- a/www/window/SyncJobEdit.js
+++ b/www/window/SyncJobEdit.js
@@ -231,6 +231,15 @@ Ext.define('PBS.window.SyncJobEdit', {
                         // NOTE: handle deleteEmpty in onGetValues due to bandwidth field having a cbind too,
                         // further hide rate limit field depending on sync direction in controller init.
                     },
+                    {
+                        xtype: 'pbsRetentionTimespan',
+                        name: 'retention-timespan',
+                        fieldLabel: gettext('Retention Timespan'),
+                        emptyText: gettext('keep retention from snapshot'),
+                        cbind: {
+                            deleteEmpty: '{!isCreate}',
+                        },
+                    },
                 ],
 
                 column2: [
-- 
2.47.3