ui: verify job: make namespace and max-depth aware

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

www/form/NamespaceMaxDepth.js

@@ -0,0 +1,33 @@
+Ext.define('PBS.form.NamespaceMaxDepth', {
+    extend: 'Proxmox.form.field.Integer',
+    alias: 'widget.pbsNamespaceMaxDepth',
+
+    allowBlank: true,
+
+    emptyText: gettext('Full'),
+    fieldLabel: gettext('Max. Depth'),
+    deleteEmpty: true,
+
+    minValue: 0,
+    maxValue: 7,
+
+    triggers: {
+	clear: {
+	    cls: 'pmx-clear-trigger',
+	    weight: -1,
+	    hidden: true,
+	    handler: function() {
+		this.triggers.clear.setVisible(false);
+		this.setValue('');
+	    },
+	},
+    },
+
+    listeners: {
+	change: function(field, value) {
+	    let canClear = value !== '';
+	    field.triggers.clear.setVisible(canClear);
+	},
+    },
+});
+