[ http://mc4j.org/jira/browse/STS-417?page=comments#action_10805 ]
Frederic Daoud commented on STS-417:
------------------------------------
"What is about..."
<c:if test="${user.allowed}" >
<s:link....></s:link>
</c:if>
<c:if test="${!user.allowed}" >
<span....></span>
</c:if>
That's exactly what enabled="" would be for, so that you do NOT write this kind
of repetitive code.
> Add boolean 'enabled' (optional) attribute to stripes:link tag
> --------------------------------------------------------------
>
> Key: STS-417
> URL: http://mc4j.org/jira/browse/STS-417
> Project: Stripes
> Issue Type: New Feature
> Components: Tag Library
> Affects Versions: Release 1.5
> Reporter: Frederic Daoud
> Assigned To: Tim Fennell
> Priority: Minor
>
> As discussed in this thread:
> http://thread.gmane.org/gmane.comp.java.stripes.user/4612
> I suggest adding a boolean attribute, 'enabled', to the stripes:link tag.
> This attribute would be optional and true by default. If set to false, the
> tag renders the body but not the link, such that the link appears as plain
> text only. This is useful, for example, to enable links based on some dynamic
> condition, e.g. user rights.
> <stripes:link href="..." enabled="${user.allowed}">Link</stripes:link>
> Very easy to implement, for example, against SVN trunk version 608:
> Index: src/net/sourceforge/stripes/tag/LinkTag.java
> ===================================================================
> --- src/net/sourceforge/stripes/tag/LinkTag.java (revision 608)
> +++ src/net/sourceforge/stripes/tag/LinkTag.java (working copy)
> @@ -31,6 +31,7 @@
> * @author Tim Fennell
> */
> public class LinkTag extends LinkTagSupport implements BodyTag {
> + private boolean enabled = true;
> /**
> * Does nothing.
> @@ -62,13 +63,17 @@
> @Override
> public int doEndTag() throws JspException {
> try {
> - set("href", buildUrl());
> - writeOpenTag(getPageContext().getOut(), "a");
> + if (enabled) {
> + set("href", buildUrl());
> + writeOpenTag(getPageContext().getOut(), "a");
> + }
> String body = getBodyContentAsString();
> if (body != null) {
> getPageContext().getOut().write(body.trim());
> }
> - writeCloseTag(getPageContext().getOut(), "a");
> + if (enabled) {
> + writeCloseTag(getPageContext().getOut(), "a");
> + }
> }
> catch (IOException ioe) {
> throw new StripesJspException("IOException while writing output
> in LinkTag.", ioe);
> @@ -80,6 +85,12 @@
> return EVAL_PAGE;
> }
> + /** Sets the (optional) flag that indicates if the link is enabled. */
> + public void setEnabled(boolean enabled) { this.enabled = enabled; }
> +
> + /** Gets the (optional) flag that indicates if the link is enabled. */
> + public boolean isEnabled() { return enabled; }
> +
> /** Pass through to [EMAIL PROTECTED] LinkTagSupport#setUrl(String)}. */
> public void setHref(String href) { setUrl(href); }
> /** Pass through to [EMAIL PROTECTED] LinkTagSupport#getUrl()}. */
> Index: resources/stripes.tld
> ===================================================================
> --- resources/stripes.tld (revision 608)
> +++ resources/stripes.tld (working copy)
> @@ -807,6 +807,16 @@
> <type>java.lang.Object</type>
> </attribute>
> <attribute>
> + <description>
> + An optional flag indicating whether or not the link should
> be enabled. If set to
> + false, the link is considered to be disabled, and the link
> tags will not be
> + rendered; the link body will be rendered as plain text.
> + Default value is true.
> + </description>
> +
> <name>enabled</name><required>false</required><rtexprvalue>true</rtexprvalue>
> + <type>boolean</type>
> + </attribute>
> + <attribute>
> <description>The character set used to encode the referenced
> page. (HTML Pass-through)</description>
>
> <name>charset</name><required>false</required><rtexprvalue>true</rtexprvalue>
> </attribute>
> What do you think?
> Thanks,
> Freddy
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