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Posted to commits@wicket.apache.org by "Gerolf Seitz (JIRA)" <ji...@apache.org> on 2007/12/16 23:58:43 UTC

[jira] Commented: (WICKET-1200) bug, still calls getObject() on enclosed Models even if the content isn't rendered

    [ https://issues.apache.org/jira/browse/WICKET-1200?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12552300 ] 

Gerolf Seitz commented on WICKET-1200:
--------------------------------------

juergen replaced this:

markupStream.skipUntil(openTag.getName());

with this:

Response response = getResponse();
getRequestCycle().setResponse(NullResponse.getInstance());
try
{
	super.onComponentTagBody(markupStream, openTag);
}
finally
{
	getRequestCycle().setResponse(response);
}

to fix WICKET-993.

however, i tested it with:

markupStream.skipToMatchingCloseTag(openTag);

and also the failing code in WICKET-993 works as expected.

what was the original intention for rendering to a nullresponse?

> <wicket:enclosure> bug, still calls getObject() on enclosed Models even if the content isn't rendered
> -----------------------------------------------------------------------------------------------------
>
>                 Key: WICKET-1200
>                 URL: https://issues.apache.org/jira/browse/WICKET-1200
>             Project: Wicket
>          Issue Type: Bug
>          Components: wicket
>    Affects Versions: 1.3.0-rc1
>         Environment: n/a
>            Reporter: Edvin Syse
>            Assignee: Juergen Donnerstag
>
> Steps to reproduce:
> - Create a quickstart project:
> mvn archetype:create -DarchetypeGroupId=org.apache.wicket \
> -DarchetypeArtifactId=wicket-archetype-quickstart \
> -DarchetypeVersion=1.3.0-rc1 \
> -DgroupId=no.sysedata \
> -DartifactId=enclosurebug
> mvn eclipse:eclipse 
> - Add two labels to HomePage.java. Let Label1 return isVisible=false, and implement a Model where getObject() writes to stdout for Label2:
> package no.sysedata;
> import org.apache.wicket.PageParameters;
> import org.apache.wicket.markup.html.basic.Label;
> import org.apache.wicket.markup.html.WebPage;
> import org.apache.wicket.model.Model;
> public class HomePage extends WebPage {
>     private static final long serialVersionUID = 1L;
>     public HomePage(final PageParameters parameters) {
>         add(new Label("label1") {
>             @Override public boolean isVisible() {
>                 return false;
>             }
>         });
>         add(new Label("label2", new Model() {
>             @Override public Object getObject() {
>                 System.out.println("Getting object of model 2");
>                 return "MODEL2 OBJECT";
>             }
>         }));
>     }
> } 
> - In HomePage.html, add an enclosure around the two labels and let label1 be the controlling component for the enclosure:
> <html>
>     <head>
>         <title>Wicket Enclosure Bug</title>
>     </head>
>     <body>
>         <wicket:enclosure child="label1">
>                  <span wicket:id="label1">Label 1</span>
>                  <span wicket:id="label2">Label 2</span>
>         </wicket:enclosure>
>     </body>
> </html> 
> - When you run the project, you'll get the following on stdout:
> "Getting object of model 2"
> And the rendered HTML when hitting the homepage is:
> <html>
>     <head>
>         <title>Wicket Enclosure Bug</title>
>     </head>
>     <body>
>         <wicket:enclosure child="label1"></wicket:enclosure>
>     </body>
> </html> 
> If I add:
>     @Override protected void init() {
>         getMarkupSettings().setStripWicketTags(true);
>     }
> to WicketApplication.java, the markup is:
> <html>
>     <head>
>         <title>Wicket Enclosure Bug</title>
>     </head>
>     <body>
>        
>     </body>
> </html>
> .. but the stdout is still the same.

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