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devel:documentation:application_configuration:dev:dynamic-forms [2019/09/25 07:29]
tomiskar 		devel:documentation:application_configuration:dev:dynamic-forms [2021/02/10 18:20] (current)
tomiskar [Dynamic forms (eav)]
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 <note> <note>
-**''FormService'' service for working with the extended attributes on the back-end.** **''FormInstance''** utility is useful on BE - contains value transformation to maps by attributes etc..+**''FormService'' service for working with the extended attributes on the back-end.** **''FormInstance''** utility is useful on BE - contains value transformation to maps by attributes etc.. Use this service in your custom module, benefits: 
 +  * single autowired service for work with definitions, attributes and values 
 +  * cache ''core:form-definition-cache'' for loading form definitions (with attributes) is effective here.
 </note> </note>
 <note> <note>
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 <note important>Saving form values for the form definition work as **PATCH**. When attribute value has to be deleted, then form value with **null** has to be given (use it even for multi valued attributes).</note> <note important>Saving form values for the form definition work as **PATCH**. When attribute value has to be deleted, then form value with **null** has to be given (use it even for multi valued attributes).</note>
 +
 +<note>If single attribute is saved (''FormService#saveAttribute''), then event ''EAV\_SAVE'' is not published. Save all attributes (''FormService#saveValues''), if publishing event ''EAV_SAVE'' for owner is needed.</note>
  
 Dynamic form attribute supports data types (''persistentType''): Dynamic form attribute supports data types (''persistentType''):
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 All [[https://github.com/bcvsolutions/CzechIdMng/tree/develop/Realization/frontend/czechidm-core#component-descriptor|component descriptor]] features are supported. Read tutorial, [[tutorial:dev:how_to_create_eav_face_type|how to create custom form attribute renderer]]. All [[https://github.com/bcvsolutions/CzechIdMng/tree/develop/Realization/frontend/czechidm-core#component-descriptor|component descriptor]] features are supported. Read tutorial, [[tutorial:dev:how_to_create_eav_face_type|how to create custom form attribute renderer]].
 +
 +Custom configuration can be added to registered renderers (@since CzechIdM 10.8.0) - use ''AbstractFormAttributeRenderer'' on backend to define additional renderer properties.
  
 ===== Adding the support of extended attributes for a new entity ===== ===== Adding the support of extended attributes for a new entity =====
  • by tomiskar