Show number of deleting rows only in confirm dialog, resolve #1077

frontend/components/example/FormDelete.vue

@@ -1,9 +1,7 @@
 <template>
   <confirm-form
-    :items="selected"
     :title="$t('dataset.deleteDocumentsTitle')"
-    :message="$t('dataset.deleteDocumentsMessage')"
-    :item-key="itemKey"
+    :message="$t('dataset.deleteDocumentsMessage', { 'number': selected.length })"
     @ok="$emit('remove')"
     @cancel="$emit('cancel')"
   />

frontend/i18n/en/projects/dataset.js

@@ -15,7 +15,7 @@ export default {
   exportDataMessage: 'Select a file format',
   exportDataMessage2: 'Select a file name',
   deleteDocumentsTitle: 'Delete Document',
-  deleteDocumentsMessage: 'Are you sure you want to delete these documents from this project?',
+  deleteDocumentsMessage: 'Are you sure you want to delete {number} items from this project?',
   deleteBulkDocumentsTitle: 'Delete All Documents',
   deleteBulkDocumentsMessage: 'Are you sure you want to delete all documents from this project?',
   pageText: '{0}-{1} of {2}'