diff options
| author | Ilia Motornyi <elmot@vaadin.com> | 2018-03-20 18:30:28 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-03-20 18:30:28 +0200 |
| commit | 940a1ef584c82e343474863408771ff091044bdc (patch) | |
| tree | 9fe6ab321f7cf6f298a09b72409550f236def7e7 /documentation | |
| parent | 4b1dd9f54cff3d7768e672ea42b36bbfa3ff60c4 (diff) | |
| download | vaadin-framework-940a1ef584c82e343474863408771ff091044bdc.tar.gz vaadin-framework-940a1ef584c82e343474863408771ff091044bdc.zip | |
Implement ReadOnlyHasValue helper (#10643)
Diffstat (limited to 'documentation')
| -rw-r--r-- | documentation/datamodel/datamodel-forms.asciidoc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/documentation/datamodel/datamodel-forms.asciidoc b/documentation/datamodel/datamodel-forms.asciidoc index f307144a57..5be66f81ea 100644 --- a/documentation/datamodel/datamodel-forms.asciidoc +++ b/documentation/datamodel/datamodel-forms.asciidoc @@ -91,6 +91,18 @@ binder.bind(nameField, } }); ---- +== Binding non-modifiable Data + +Non-modifiable data can be also bound to any component or component property with [classname]#ReadOnlyHasValue# helper class. +For example, `Panel` caption can display a person full name: + +[source, java] +---- +Panel infoPanel = new Panel(); +ReadOnlyHasValue<Person> panelTitle = new ReadOnlyHasValue<>( + person -> infoPanel.setCaption(person.getLastName() + ", " + person.getFirstName())); +binder.forField(panelTitle).bind(person -> person, null); +---- == Validating and Converting User Input |