Proposed changes to DbBaseHandlerTag and DbSelectTag.
DbBaseHandlerTag
overrideFormFieldName override the generated name for the html
widget. Useful with custom controllers and field is used multiple times.
DbSelectTag
Attribute
OverrideReadOnly [EXPERIMENTAL] override the read only attribute
of the parent form
IfEmptyDontDraw Do not draw the Select box if there is no data
IfEmptyItem Item to be used if there is no embedded data
Example
<db:select id="alpha" pattern="#" fieldName="subject_code" size="0"
ifEmptyDontDraw="true" overrideReadOnly="true"
overrideFormFieldName="MigrateTo" >
<db:queryData name="aQuery43" query="select foo,foo from bar" />
</db:select>
The IfEmptyDontDraw and IfEmptyItem are self-explanatory.
The overrideFormFieldName is applicable in situation when you are using a
custom controller
to process the page, especially if you are using the same field more than
once.
OverrideReadOnly was necessary to force the display of a select box, even
though the form was read-only.
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