There are multiple ways to accomplish this.
One way might be to do something like (I'm going to assume that you're
using the "base" library provided on t-deli. If not, you can substitute
the if/else components with appropriate conditional components):
<li jwcid="@base:If"
condition="qualityCheckWarningText.equals('duplicate')">
<a href="#" jwcid="@DirectLink"
parameters="ognl:someMethodForGettingParameters"
listener="ognl:listeners.yourListener">
<span jwcid="qualityCheckWarning">Preliminary Scales</span>
</a>
</li>
<li jwcid="@base:Else">
<span jwcid="qualityCheckWarningCopy">Preliminary Scales</span>
</li>
So, there you've avoided doing anything in code, really, except for
getting the parameters.
(note that qualityCheckWarningCopy is something like:
<component id="qualityCheckWarningCopy" copy-of="qualityCheckWarning"/>
defined in your page or component spec)
Robert
> Hi everyone,
>
> I have a Tapestry page that needs to generate a list of warnings (see
> Listing 1 below). If the warning is of a certain type (e.g. Duplicate),
> then I need to dynamically add in one or more DirectLinks to the warning
> text. My question is how do I dynamically generate DirectLink in the
> java/class file? I looked and searched everywhere but only found some
> code
> that call the getLink() method from the DirectService class. However, I
> am
> not sure how you can set the various parameters for each DirectLink (e.g.
> listener, stateful, etc)?
>
> -- PLEASE NOTE THAT I AM USING TAPESTRY 3.0.3. --
>
> Listing 1:
> <ul>
> <h1>Warnings</h1>
> <span jwcid="qualityCheckWarningsLoop">
> <li><span jwcid="qualityCheckWarning">Preliminary Scales</span></li>
> <span jwcid="$remove$">
> <li>No Report</li>
> <li>Below Standard</li>
> <li>Invalid ID</li>
> <li>Wrong Type</li>
> <li>Sample</li>
> <li>Duplicate: <a>HDS-2345678</a></li>
> </span>
> </span>
> </ul>
>
> Listing 2 - Here is part of the .page file that corresponding the the
> jwcid
> tags above:
>
> <component id="qualityCheckWarningsLoop" type="Foreach">
> <binding name="source"
> expression="visit.qualityCheckSession.currentScan.qualityCheckWarnings"/>
> <binding name="value" expression="qualityCheckWarning"/>
> </component>
>
> <component id="qualityCheckWarning" type="Insert">
> <binding name="value" expression="qualityCheckWarningText"/>
> </component>
>
> Listing 3 - Here is the getter that returns the warning text for the
> qualityCheckWarning component:
>
> public String getQualityCheckWarningText() {
>
> Visit visit = (Visit) getVisit();
> Scan currentScan = visit.getQualityCheckSession().getCurrentScan();
>
> StringBuffer qualityCheckWarningText = new
> StringBuffer(getQualityCheckWarning());
>
> if
> (qualityCheckWarningText.toString().equals(DuplicateScalesScanCheck.DUPLICAT
> E_SCALE_WARNING_FLAG)) {
>
> qualityCheckWarningText.append(": ");
> int index = 0;
>
>
> for (Scan duplicateScan: currentScan.getDuplicateScaleScans()) {
>
> if (index != 0) {
> qualityCheckWarningText.append(", ");
> }
>
> // ================================================== //
> NEED TO ADD A DIRECT LINK AROUND THE FOLLOWING TEXT
> // ===================================================
> qualityCheckWarningText.append(duplicateScan.getStoneId());
> index++;
> }
> }
>
> return qualityCheckWarningText.toString();
> }
>
> Thanks for any help in advance,
> Ben
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