Hi,
I've juste faced the exact same issue, your fix works for me if I remove the
condition ERXAjaxApplication.isAjaxReplacement(context.request()).
I had to also modify the javascript function AOD.loadCss to create a <link
href=...> in the head section :
loadCSS: function(css) {
var link=document.createElement("link");
link.setAttribute("rel", "stylesheet");
link.setAttribute("type", "text/css");
link.setAttribute("href", css);
if (typeof link!="undefined") {
document.getElementsByTagName("head")[0].appendChild(link);
}
}
The previous code was loading the content of the css file inline into the head
section (<style type="text/css">....</style>) which was breaking the references
to images.
I'm also surprised nobody else seems to encounter this problem. I will fill a
Jira.
Regards,
Alex
Le 24 août 2010 à 10:33, Bogdan Zlatanov a écrit :
> Hi all,
>
>
> Yesterday, I noticed a problem with
> ERXResponseRewriter.addStyleSheetResourceInHead(WOResponse response,
> WOContext context, String framework, String fileName, String media) method,
> while working a project. Details follow with some sample code for
> illustration:
>
> Let's say I have two components, called Main and MyComponent with the
> following contents:
>
> Main.html:
>
> <div id="contentContainer">
> <webobject name = "MyComponent"/>
> </div>
>
> Main.wod:
>
> MyComponent : MyComponent {}
>
>
>
> MyComponent.html:
>
> <webobject name = "MyAjaxUpdateLink"/>
>
> MyComponent.wod:
>
> MyAjaxUpdateLink : AjaxUpdateLink {
> action = updateStuff;
> replaceID = "contentContainer";
> }
>
> MyComponent.java:
>
> public WOActionsResult updateStuff() {
> // code that updates stuff here
> return null;
> }
>
> public void appendToResponse(WOResponse aResponse, WOContext
> aContext) {
> super.appendToResponse(aResponse, aContext);
> AjaxUtils.addStyleSheetResourceInHead(aContext,
> aResponse, "/css/my_component.css");
> }
>
>
> Given the above, the first time Main page is invoked, the
> my_component.css file is loaded inline, and everything is fine. But when the
> update link is clicked, the contents of the "contentContainer" div gets
> replaced, but the inline CSS declaration is not added again, because
> ERXResponseRewriter thinks the resource is already added. Looking at the
> ERXResponseRewriter.java I could see the code commented:
>
> // MS: It looks like all the browsers can load CSS inline, so
> we don't
> // even need all this.
> // String fallbackStartTag;
> // String fallbackEndTag;
> // if (ERXAjaxApplication.isAjaxRequest(context.request())) {
> // fallbackStartTag = "<script>AOD.loadCSS('";
> // fallbackEndTag = "')</script>";
> // }
> // else {
> // fallbackStartTag = null;
> // fallbackEndTag = null;
> // }
> // ERXResponseRewriter.addResourceInHead(response, context,
> framework,
> // fileName, cssStartTag, cssEndTag, fallbackStartTag,
> fallbackEndTag,
> // TagMissingBehavior.SkipAndWarn);
>
>
> Uncommenting it solved my problem, so I modified it a bit:
>
> String fallbackStartTag = null;
> String fallbackEndTag = null;
>
> if (ERXAjaxApplication.isAjaxRequest(context.request()) &&
> ERXProperties.booleanForKeyWithDefault("er.extensions.loadOnDemand", true)) {
> if
> (ERXAjaxApplication.isAjaxReplacement(context.request()) &&
> ERXProperties.booleanForKeyWithDefault("er.extensions.loadOnDemandDuringReplace",
> false)) {
> boolean appendTypeAttribute =
> ERXProperties.booleanForKeyWithDefault("er.extensions.ERXResponseRewriter.javascriptTypeAttribute",
> false);
> fallbackStartTag = (appendTypeAttribute ?
> "<script type=\"text/javascript\">AOD.loadCSS('" : "<script>AOD.loadCSS('");
> fallbackEndTag = "')</script>";
> }
> }
>
> ERXResponseRewriter.addResourceInHead(response, context,
> framework, fileName, cssStartTag, cssEndTag, fallbackStartTag,
> fallbackEndTag, TagMissingBehavior.Inline);
>
> while looking at the ERXResponseRewriter.addScriptResourceInHead() method.
>
> I have no idea if anyone else has ever hit this problem, but it seems to me
> that the commented code is needed after all. I'll file a bug report in Jira
> later today.
>
>
> Cheers.
>
>
> Bogdan Zlatanov,
> Tuparev Technologies Bulgaria Ltd.
>
>
>
>
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