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Issue Type:
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![New Feature]() New Feature
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Assignee:
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Unassigned |
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Attachments:
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AllEmptyOrNoneEmpty.java, config.modules.training-templating.dialogs.myTextImage.form.tabs.tabMain.fields.pointOfInterest.xml, config.modules.ui-framework.fieldTypes.crossValidatingCompositeField.xml, CrossFieldsComparator.java, CrossFieldsValidatingCompositeField.java, CrossFieldsValidatingCompositeFieldDefinition.java, CrossFieldsValidatingCompositeFieldFactory.java |
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Created:
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04/Nov/14 1:50 PM
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Description:
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Cross field validation is not a feature of the current Magnolia Form UI implementation.
I have created a general issue for requesting this feature as a general feature throughout form fields: MGNLUI-3240
In this ticket the the idea is to implement it for the CompositeField, as it would be a alternative to handle many of the use cases that occur of fields that need to be cross validated.
Possible use cases:
- A "point of interest" CompositeField with the sub-fields "Longitude' and 'Latitude'. The field is not required, BUT if in one sub field a value is entered, the other also needs a value (no value or all have a value situation).
Idea:
Extending the CompositeField by a cross field validation of its sub fields.
Overriding the validate() method and delegating to a configurable field comparator class.
POC implementation:
I tried quickly such an implementation to test if it is possible.
I created:
- CrossFieldsValidatingCompositeField.java which extends the CompositeField and its definition & factory class.
The field delegates to an implementation of the CrossFieldsComparator.java interface to do the field comparison.
- CrossFieldsComparator.java does the field comparison.
- AllEmptyOrNoneEmpty.java is the implementation for this use case, checking if one field ha a value.
Attention: This is just a POC, not product ready code! It can be used in projects, but will probably need some adaptions.
Usage:
- Add a 'fieldTypes' mapping of the FieldDefinition and the FieldFactory class. (added bootstrap file)
- Use the CrossFieldsValidatingCompositeField class for a composite field.
- Define the crossFieldsComparator property pointing to the implementation CrossFieldsComparator for the specific use case, in this case here the AllEmptyOrNoneEmpty.
Other use cases:
Just implement another version of CrossFieldsComparator.
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Project:
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Magnolia UI
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Labels:
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support
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Priority:
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![Neutral]() Neutral
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Reporter:
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Christian Ringele
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Security Level:
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Public |
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