Simplified insert binding template syntax
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Key: TAPESTRY-331
URL: http://issues.apache.org/jira/browse/TAPESTRY-331
Project: Tapestry
Type: New Feature
Components: Framework
Versions: 4.0
Reporter: Howard M. Lewis Ship
Priority: Minor
Fix For: 4.0
It would be desirable to support a simplified syntax for obtaining data via
bindings and inserting it. A proposal has been to adopt ant-like syntax
("${...}") and interpret the expression within the braces as a binding
reference. This would eliminate the need for many Insert components, i.e.:
<h1>${thread.title}</h1>
rather than:
<h1><span jwcid="@Insert" value="thread.title"/></h1>
Or:
${message:prompt}
rather than:
<span key="prompt"/>
This kind of substitution is less invisible, but generally less intrusive, than
creating a new component.
Further, the use of the Any component could be reduced via support for:
<img src="${imagePath}"/>
rather than:
<img jwcid="@Any" src="ognl:imagePath"/>
Some questions occur; are the following legal?
<${element}> ... </${element}>
<img jwcid="@Image" src="${asset:foo}"/>
<div ${attribute}="${value}"/>
A final note: these bindings should be treated as we treat informal parameters
today; this includes automatically expanding IAssets into their corresponding
URLs.
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