Re: How to avoid "CSS attribute context" warning with GWT 2.5's UiRenderer?

But did you transform the string to a safeStyle using SafeStyleUtils?

I test this with no warnings…

interface Template extends SafeHtmlTemplates {

    @Template("<span style=\"{0}\">...</span>")

    SafeHtml span(SafeStyles value);

}

RootPanel.get().add(new HTML(template.span(SafeStylesUtils.fromTrustedString("background: red;"))));

On Mar 4, 2013, at 9:10 AM, Enrique Rodriguez <enriquer9@gmail.com> wrote:

Your <ui:with> statement is exactly what I tried that gives the error.  To summarize, using type='java.lang.String' gives the warning to use SafeStyles and using type='com.google.gwt.safecss.shared.SafeStyles' gives the error to use a String.

The change log you referenced (r10548) is "... to make SafeUri work as expected." and further states "Similar will be needed for SafeStyles." which makes me think this is intended but not yet supported behavior.

Enrique

On Sun, Mar 3, 2013 at 11:58 PM, Ignacio Baca Moreno-Torres <ignacio@bacamt.com> wrote:

Have you tried this?

<ui:with field='styles' type='com.google.gwt.safecss.shared.SafeStyles'/>

Also you can add a one resource class and just specify the return type correctly in the class (see http://code.google.com/p/google-web-toolkit/source/browse/trunk/user/test/com/google/gwt/uibinder/test/client/UiRendererUi.ui.xml?r=10548).

On Mar 4, 2013, at 2:59 AM, Enrique Rodriguez <enriquer9@gmail.com> wrote:

I'm trying to port a GWT 2.4 AbstractCell that uses SafeHtmlTemplates to a GWT 2.5 AbstractCell that uses UiRenderer.  My problem is that when I set the CSS style directly on a div element, GWT logs the "CSS attribute context" warning in my logs.  Using a String, the Cell works fine albeit with the warning, but my attempts to pass a SafeStyles have failed.

In my GWT 2.4 AbstractCell I had a template that used SafeStyles:

@SafeHtmlTemplates.Template("<div style=\"{0}\">{1}</div>")

      SafeHtml cell(SafeStyles styles, SafeHtml value);

When I try passing a SafeStyles, I get the following error:

17:18:33.582 [ERROR] [my.widgets] java.lang.String required, but {styles} returns com.google.gwt.safecss.shared.SafeStyles: &lt;div  style='{styles}'&gt; (:28)

When I use a String, everything works correctly, however I get the expected "CSS attribute context" warning.

17:16:51.108 [WARN] [my.widgets] Template with variable in CSS attribute context: The template code generator cannot guarantee HTML-safety of the template -- please inspect manually or use SafeStyles to specify arguments in a CSS attribute context

Incidentally, I had a similar issue passing an image URL.  The logs warned me to use SafeUri, which I did and it worked, so it appears that img recognizes a SafeUri but div won't recognize a SafeStyles.

        <div style="{styles}">

            <img alt="{name}" src="{image}" />

        </div>

Enrique

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