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https://issues.apache.org/jira/browse/WICKET-1469?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12876792#action_12876792
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robert mcguinness commented on WICKET-1469:
-------------------------------------------
I made some modifications for our use case, maybe others would be interested.
Renders a required "*" for the labels.
public boolean resolve(MarkupContainer container, MarkupStream markupStream,
ComponentTag tag) {
// make sure any raw markup with wicket:for attrs is a component
if (WICKET_FOR_CONTAINER_ID.equals(tag.getId())) {
Component wc;
if (tag.isOpenClose()) {
wc = new WebComponent(WICKET_FOR_CONTAINER_ID +
container.getPage().getAutoIndex());
} else {
wc = new
TransparentContainer(WICKET_FOR_CONTAINER_ID +
container.getPage().getAutoIndex());
}
String refId =
tag.getAttributes().getString(WICKET_FOR_ATTRIBUTE_NAME);
if (!Strings.isEmpty(refId)) {
refId = refId.trim();
// Find the referred sibling component by id.
Component refComponent =
container.getParent().get(refId);
if (refComponent instanceof FormComponent<?>) {
FormComponent<?> formComponent =
(FormComponent<?>) refComponent;
boolean renderVisible =
formComponent.isRenderAllowed() && formComponent.isVisibilityAllowed() &&
formComponent.isVisible();
if (formComponent.isRequired() &&
renderVisible) {
RequestCycle.get().getResponse().write("<span class=\"required\">*</span>");
} else if (!renderVisible) {
markupStream.skipComponent();
return true;
}
}
}
container.autoAdd(wc, markupStream);
return true;
}
return false;
}
> New Wicket tag 'wicket:for'
> ---------------------------
>
> Key: WICKET-1469
> URL: https://issues.apache.org/jira/browse/WICKET-1469
> Project: Wicket
> Issue Type: New Feature
> Components: wicket
> Affects Versions: 1.3.2
> Reporter: Jan Kriesten
> Priority: Minor
> Fix For: 1.5-M1
>
> Attachments: WICKET-1469-for-wicket-1.4.x.patch
>
>
> This often happens during my daily work:
> You create a form with labels and corresponding input fields. As it is now,
> you have to bind all those Labels and FormComponents together with some
> "boilerplate" code within Java.
> I'd like to suggest the following enhancement Wicket tag:
> <label wicket:for="username" wicket:messge="key">default message</label>
> where wicket:for contains the referenced wicket:id
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