vnAutocomplete behavior modified to act like ms access combo

client/core/src/components/autocomplete/autocomplete.html

@@ -16,8 +16,8 @@
         </div>
         <label class="mdl-textfield__label" translate>{{::$ctrl.label}}</label>
     </div>
-    <vn-drop-down
-        vn-id="drop-down"
-        on-select="$ctrl.onDropDownSelect(value)">
-    </vn-drop-down>
-</div>
+</div>
+<vn-drop-down
+    vn-id="drop-down"
+    on-select="$ctrl.onDropDownSelect(value)">
+</vn-drop-down>

client/core/src/components/drop-down/drop-down.js

@@ -45,6 +45,9 @@ export default class DropDown extends Component {
         this._search = value;
         this.$.model.clear();
 
+        if (value != null)
+            this._activeOption = 0;
+
         this.$timeout.cancel(this.searchTimeout);
         this.searchTimeout = this.$timeout(() => {
             this.refreshModel();
@@ -86,8 +89,8 @@ export default class DropDown extends Component {
      * @param {String} search The initial search term or %null
      */
     show(search) {
-        this.search = search;
         this._activeOption = -1;
+        this.search = search;
         this.buildList();
         this.$.popover.parent = this.parent;
         this.$.popover.show();
@@ -101,7 +104,7 @@ export default class DropDown extends Component {
     }
 
     /**
-     * Activates a option and scrolls the drop-down to that option.
+     * Activates an option and scrolls the drop-down to that option.
      *
      * @param {Number} option The option index
      */
@@ -122,7 +125,7 @@ export default class DropDown extends Component {
     }
 
     /**
-     * Activates a option.
+     * Activates an option.
      *
      * @param {Number} option The option index
      */
@@ -146,10 +149,11 @@ export default class DropDown extends Component {
      * @param {Number} option The option index
      */
     selectOption(option) {
-        if (option != -1) {
-            let data = this.$.model.data;
-            let item = data ? data[option] : null;
-            let value = item ? item[this.valueField] : null;
+        let data = this.$.model.data;
+        let item = option != -1 && data ? data[option] : null;
+
+        if (item) {
+            let value = item[this.valueField];
 
             if (this.multiple) {
                 if (!Array.isArray(this.selection)) {
@@ -252,6 +256,9 @@ export default class DropDown extends Component {
         let nOpts = data ? data.length - 1 : 0;
 
         switch (event.keyCode) {
+        case 9: // Tab
+            this.selectOption(option);
+            return;
         case 13: // Enter
             this.selectOption(option);
             break;

client/core/src/components/popover/popover.js

@@ -96,9 +96,6 @@ export default class Popover extends Component {
         if (this.deregisterCallback)
             this.deregisterCallback();
 
-        if (this.parent)
-            this.parent.focus();
-
         if (this.onClose)
             this.onClose();
     }