Package org.apache.tapestry5.services
Interface BeanBlockSource
- All Known Implementing Classes:
BeanBlockSourceImpl
A source of
Blocks used to display the properties of a bean (used by the Grid component), or to edit the properties of a bean (used by the BeanEditForm component). Contributions to this service (a configuration of
BeanBlockContributions) define what properties may be editted.
Blocks are accessed in terms of a data type a string that identifies the type of data to be editted,
such as "string", "date", "boolean", etc.
Tapestry contributes a number of default data types and corresponding edit and display blocks. The BeanBlockOverrideSource service allows these to be overridden.-
Method Summary
Modifier and TypeMethodDescriptiongetDisplayBlock(String datatype) Returns a block which can be used to render output for the given data type.getEditBlock(String datatype) Returns a block which can be used to render an editor for the given data type, in the form of a field label and input field.booleanhasDisplayBlock(String datatype) Checks to see if there is a display block for the indicated data type.
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Method Details
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getEditBlock
Returns a block which can be used to render an editor for the given data type, in the form of a field label and input field.- Parameters:
datatype- logical name for the type of data to be displayed- Returns:
- the Block
- Throws:
RuntimeException- if no appropriate block is available
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getDisplayBlock
Returns a block which can be used to render output for the given data type.- Parameters:
datatype- logical name for the type of data to be displayed- Returns:
- the Block
- Throws:
RuntimeException- if no appropriate block is available
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hasDisplayBlock
Checks to see if there is a display block for the indicated data type.- Parameters:
datatype- to check for- Returns:
- true if a block is available
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