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See:
Description
Class Summary | |
---|---|
LayoutDefinitionManager | This abstract class provides the base functionality for all
LayoutDefinitionManager implementations. |
TemplateRenderer | This renderer is a generic "template-based" renderer. |
This package provides a strategy for rendering complex components. A
complex component is any component that consists of multiple
sub-components. The TemplateRenderer
is the actual Renderer class, the other files in this package provide support for creating and
holding the LayoutDefinition information. While
TemplateRenderer
could also render a simple component, the flexibility and extensibility
capabilities are probably overkill for small components.
The TemplateRenderer
is driven off a "template". The template is actually a tree data
structure consisting of "LayoutElement
"
objects. This structure is walked in order to render the component.
This data structure may be populated programatically, however, a
LayoutDefinitionManager
is the recommended way to obtain the structure. A
LayoutDefinitionManager
is responsible for locating a LayoutDefinition
for a particular component (such as a table). How this is done is left
to implementations of LayoutDefinitionManager
.
One implementation currently exists which populates the
LayoutElement
tree from an XML file: XMLLayoutDefinitionManager
.
Different types of LayoutElement
objects are used to effect the output.
LayoutElement
are delegated the encode responsibilty so that they may determine
whether and how their child components are encoded. See the
LayoutElement
documentation and the implementing classes of
LayoutElement
for more information.
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