Trigger search after re-focus

If the share input field is unfocused, the autocomplete list is closed. Once
the field was focused again it was not properly opened again. This adds a
trigger to redo the search and show the results again.

Signed-off-by: Morris Jobke <hey@morrisjobke.de>

core/js/sharedialogview.js

@@ -70,6 +70,7 @@
 		shareeListView: undefined,
 
 		events: {
+			'focus .shareWithField': 'onShareWithFieldFocus',
 			'input .shareWithField': 'onShareWithFieldChanged'
 		},
 
@@ -118,7 +119,8 @@
 			_.bindAll(this,
 				'autocompleteHandler',
 				'_onSelectRecipient',
-				'onShareWithFieldChanged'
+				'onShareWithFieldChanged',
+				'onShareWithFieldFocus'
 			);
 
 			OC.Plugins.attach('OC.Share.ShareDialogView', this);
@@ -131,6 +133,11 @@
 			}
 		},
 
+		/* trigger search after the field was re-selected */
+		onShareWithFieldFocus: function() {
+			this.$el.find('.shareWithField').autocomplete("search");
+		},
+
 		autocompleteHandler: function (search, response) {
 			var $shareWithField = $('.shareWithField'),
 				view = this,