diff options
Diffstat (limited to 'documentation/components/components-listselect.asciidoc')
| -rw-r--r-- | documentation/components/components-listselect.asciidoc | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/documentation/components/components-listselect.asciidoc b/documentation/components/components-listselect.asciidoc index 88343ee606..4573f77c97 100644 --- a/documentation/components/components-listselect.asciidoc +++ b/documentation/components/components-listselect.asciidoc @@ -14,9 +14,7 @@ endif::web[] The [classname]#ListSelect# component is list box that shows the selectable items in a vertical list. If the number of items exceeds the height of the -component, a scrollbar is shown. The component allows both single and multiple -selection modes, which you can set with [methodname]#setMultiSelect()#. It is -visually identical in both modes. +component, a scrollbar is shown. The component allows selecting multiple values. [source, java] @@ -29,6 +27,11 @@ select.setItems("Mercury", "Venus", "Earth", ...); // Show 5 items and a scrollbar if there are more select.setRows(5); + +select.addValueChangeListener(event -> { + Set<String> selected = event.getNewSelection(); + Notification.show(selected.size() + " items."); +}); ---- The number of visible items is set with [methodname]#setRows()#. |