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Diffstat (limited to 'documentation/components/components-customfield.asciidoc')
| -rw-r--r-- | documentation/components/components-customfield.asciidoc | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/documentation/components/components-customfield.asciidoc b/documentation/components/components-customfield.asciidoc deleted file mode 100644 index f57eb2debf..0000000000 --- a/documentation/components/components-customfield.asciidoc +++ /dev/null @@ -1,33 +0,0 @@ ---- -title: Composite Fields with CustomField -order: 32 -layout: page ---- - -[[components.customfield]] -= Composite Fields with [classname]#CustomField# - -The [classname]#CustomField# is a way to create composite components like with -[classname]#CustomComponent#, except that it implements the -[interfacename]#Field# interface and inherit [classname]#AbstractField#, -described in -<<dummy/../../../framework/components/components-fields#components.fields,"Field -Components">>. A field allows editing a property value in the Vaadin data model, -and can be bound to data with field groups, as described in -<<dummy/../../../framework/datamodel/datamodel-itembinding#datamodel.itembinding,"Creating -Forms by Binding Fields to Items">>. The field values are buffered and can be -validated with validators. - -A composite field class must implement the [methodname]#getType()# and -[methodname]#initContent()# methods. The latter should return the content -composite of the field. It is typically a layout component, but can be any -component. - -It is also possible to override [methodname]#validate()#, -[methodname]#setInternalValue()#, [methodname]#commit()#, -[methodname]#setPropertyDataSource#, [methodname]#isEmpty()# and other methods -to implement different functionalities in the field. Methods overriding -[methodname]#setInternalValue()# should call the superclass method. - - - |