[VELOCITY-558] Allow macros that act as blockDirectives

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Duplicate
• Affects Version/s: 1.5
• Component/s: Engine
• Environment: Windows
• Assignee: Unassigned
• Reporter: Guido Deinhammer
• Created: 22/Jun/07 06:08
• Updated: 15/Aug/08 20:40
• Resolved: 15/Aug/08 20:40

Description

Currently migrating a web project from Oracle's proprietary UIX to Velocity, I found the limitation that macros are always line directives and cannot ave content somewhat limiting.

I would suggest the following improvement or addition to the macro functionality.

You should be able to define a blockMacro - maybe with a syntax like this:

#blockmacro(section $title $open)
<table><th><td>$title</td></th>
#if($open)
#body
#end
</table>
#end

Where #body would render the body of the macro call. The macro call could look like this:

#section("My Collapsible Section", true)
<tr><td>sectionContent</td></tr>
#end

This allows the macro to render the content only under a certain condition, or it would allow the macro to render the content multiple times. I think this would a lot of flexibilty to macros - it might be an enhancement worth considering for the Summer of Code Google project.

Issue Links

• is duplicated by: VELOCITY-583 BlockMacro support