On May 14, 2005, at 10:37 AM, Jamie Orchard-Hays wrote:
Additionally, this will now allow completely invalid HTML templates. <shudder>
For the record, <span jwcid="@Insert" value="ognl:whatever"/> is invalid XHTML as <span> does not have those attributes. I believe XML namespaces need to be used to allow Tapestry to claim it's templates are "valid" and previewable completely by the standards.
And syntax like ${message:key} alleviates a lot of markup ugliness just to insert some text. I'll surely reply more to this issue soon.
Erik
On May 13, 2005, at 4:55 PM, Howard M. Lewis Ship (JIRA) wrote:
Simplified insert binding template syntax -----------------------------------------
Key: TAPESTRY-331 URL: http://issues.apache.org/jira/browse/TAPESTRY-331 Project: Tapestry Type: New Feature Components: Framework Versions: 4.0 Reporter: Howard M. Lewis Ship Priority: Minor Fix For: 4.0
It would be desirable to support a simplified syntax for obtaining data via bindings and inserting it. A proposal has been to adopt ant-like syntax ("${...}") 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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