I guess we than need to open up / or make more flexible the HeaderContainer(?) which currently implements the logic to not render certain headers multiple times.
Juergen On 7/6/06, Matej Knopp <[EMAIL PROTECTED]> wrote: > Actually, it doesn't replaces the DOM, it is adding elements. > > Avoiding contributing same stuff multiple times is still something to be > solved. The current code just renders head of all components added to > ajax target which is definitely not something we want. > > -Matej > > Juergen Donnerstag wrote: > > I've seen your initial code (actually the patch only) and it think it > > is going in the right direction. A few ago I responded to a similar > > question proposing a solution like you now implemented it. As the ajax > > header response "replaces" the DOM it might not be a problem for ajax > > components but rendering a whole page the more difficult thing was > > with header contribution exclusion e.g. multiple MyLabelWithJavascript > > components on the page to be rendered just once, markup inheritance > > etc. > > > > Juergen > > > > On 7/6/06, Johan Compagner <[EMAIL PROTECTED]> wrote: > >> that is not a problem > >> The output goes to the HtmlHeaderContainer.getResponse() object > >> So just make that a BufferedResponse so that you can get the string out of > >> it. > >> > >> johan > >> > >> > >> > >> On 7/6/06, Matej Knopp <[EMAIL PROTECTED]> wrote: > >>> Is there a reasonable way to render a header contribution of a component > >>> to a string? I'm asking, because looking at Component#renderHead, it > >>> takes HtmlHeaderContainer as argument. > >>> Juergen? > >>> > >>> -Matej > >>> > >>> Matej Knopp wrote: > >>>> Matej Knopp wrote: > >>>>> Adding both javascript and stylesheets seems to work, at least for > >>>>> non-inline javascript and css. Still have to test inline stuff. > >>>> I tested inline javascript, works well. Inline styles work too, but in > >>>> IE you have to use document.createStyleSheet for it to work. > >>>> > >>>> I tested all this in FF, IE, Opera. > >>>> > >>>> Not the question remains, how to ensure that on the same page the > >>>> contribution will be only once. > >>>> > >>>> I suggest handling this on server side. > >>>> > >>>> Say you have component on a page (not visible). You render page (without > >>>> the component). Then you render the component (using ajax). The header > >>>> contribution will be rendered. After that on every subsequent ajax > >>>> component render, the header contribution will not be rendered, until > >>>> the whole page is refreshed (re-rendered). > >>>> > >>>> -Matej > >>>> > >>>> > >>>>> -Matej > >>>>> > >>>>> Johan Compagner wrote: > >>>>>> if you add css or javascript to the head of the page at runtime in a > >>>>>> dynamic way > >>>>>> is it then seen in the browser?? > >>>>>> We should first test that. > >>>>>> > >>>>>> johan > >>>>>> > >>>>>> > >>>>>> On 7/5/06, * Matej Knopp* <[EMAIL PROTECTED] <mailto: [EMAIL > >>>>>> PROTECTED]>> > >> wrote: > >>>>>> Hi > >>>>>> > >>>>>> There's a known problem with head contribution of components, that > >> are > >>>>>> not rendered when the whole page is (are hidden or not even part > >> of > >>>>>> hierarchy), but are additionally rendered using an AJAX call. > >>>>>> > >>>>>> The problem is, that while the body of the component is placed in > >> the > >>>>>> page, the head contribution is ignored. > >>>>>> > >>>>>> Any ideas on how should we address this issue? > >>>>>> > >>>>>> First I though that catching css links and javascript references > >> from > >>>>>> renderHead would be enough. > >>>>>> > >>>>>> But each component with associated markup can have it's own > >>>>>> <wicket:head>, and this is something we also have take into > >> account. > >>>>>> So what I'm thinking of now is to let component render it's head > >> to a > >>>>>> buffer - it will probably be a xml snippet with structure like: > >>>>>> > >>>>>> <link rel="stylesheet" href="..."/> > >>>>>> <style type="text/css"> > >>>>>> ... > >>>>>> </style> > >>>>>> <script type="text/javascript" src="..."> > >>>>>> <script type="text/javascript"> > >>>>>> ... > >>>>>> </script> > >>>>>> > >>>>>> If this snippet is well formed, I think we can send it as a part > >> of our > >>>>>> ajax response. > >>>>>> e.g. > >>>>>> > >>>>>> <?xml version=" 1.0" encoding="UTF-8"?> > >>>>>> <ajax-response> > >>>>>> <component id="c1" > > >>>>>> <![CDATA[<span id="c1">3</span>]]> > >>>>>> </component> > >>>>>> <head> > >>>>>> <link rel="stylesheet" href="..."/> > >>>>>> <style type="text/css"> > >>>>>> ... > >>>>>> </style> > >>>>>> <script type="text/javascript" src="..."> > >>>>>> <script type="text/javascript"> > >>>>>> ... > >>>>>> </script> > >>>>>> </head> > >>>>>> </ajax-response> > >>>>>> > >>>>>> > >>>>>> The DOM structure of the head part should be quite straightforward > >> to > >>>>>> parse. The javascript used to add stylesheet and javascript to > >> html head > >>>>>> does not seem difficult either. > >>>>>> > >>>>>> Now the problem seems to be deciding, whether to apply the > >> contribution, > >>>>>> or whether it has already been applied. We don't want to run the > >> same > >>>>>> javascript twice, etc. > >>>>>> > >>>>>> How should this be solved? Any ideas? > >>>>>> > >>>>>> -Matej > >>>>>> > >>>>>> Using Tomcat but need to do more? Need to support web services, > >>>>>> security? > >>>>>> Get stuff done quickly with pre-integrated technology to make your > >>>>>> job easier > >>>>>> Download IBM WebSphere Application Server v.1.0.1 based on Apache > >>>>>> Geronimo > >>>>>> > >> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 > >> <http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 > >>>>>> _______________________________________________ > >>>>>> Wicket-develop mailing list > >>>>>> Wicket-develop@lists.sourceforge.net > >>>>>> <mailto:Wicket-develop@lists.sourceforge.net> > >>>>>> > >> https://lists.sourceforge.net/lists/listinfo/wicket-develop > >>>>>> > >>>>>> > >>>>>> > >> ------------------------------------------------------------------------ > >>>>>> Using Tomcat but need to do more? Need to support web services, > >> security? > >>>>>> Get stuff done quickly with pre-integrated technology to make your job > >> easier > >>>>>> Download IBM WebSphere Application Server v.1.0.1 based on Apache > >> Geronimo > >> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 > >>>>>> > >>>>>> > >> ------------------------------------------------------------------------ > >>>>>> _______________________________________________ > >>>>>> Wicket-develop mailing list > >>>>>> Wicket-develop@lists.sourceforge.net > >>>>>> > >> https://lists.sourceforge.net/lists/listinfo/wicket-develop > >>>>> Using Tomcat but need to do more? Need to support web services, > >> security? > >>>>> Get stuff done quickly with pre-integrated technology to make your job > >> easier > >>>>> Download IBM WebSphere Application Server v.1.0.1 based on Apache > >> Geronimo > >> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 > >>>>> _______________________________________________ > >>>>> Wicket-develop mailing list > >>>>> Wicket-develop@lists.sourceforge.net > >>>>> > >> https://lists.sourceforge.net/lists/listinfo/wicket-develop > >>>> > >>>> Using Tomcat but need to do more? Need to support web services, > >> security? > >>>> Get stuff done quickly with pre-integrated technology to make your job > >> easier > >>>> Download IBM WebSphere Application Server v.1.0.1 based on Apache > >> Geronimo > >> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 > >>>> _______________________________________________ > >>>> Wicket-develop mailing list > >>>> Wicket-develop@lists.sourceforge.net > >>>> > >> https://lists.sourceforge.net/lists/listinfo/wicket-develop > >>> > >>> Using Tomcat but need to do more? Need to support web services, security? > >>> Get stuff done quickly with pre-integrated technology to make your job > >> easier > >>> Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo > >>> > >> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 > >>> _______________________________________________ > >>> Wicket-develop mailing list > >>> Wicket-develop@lists.sourceforge.net > >>> > >> https://lists.sourceforge.net/lists/listinfo/wicket-develop > >> > >> Using Tomcat but need to do more? Need to support web services, security? > >> Get stuff done quickly with pre-integrated technology to make your job > >> easier > >> Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo > >> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 > >> > >> > >> _______________________________________________ > >> Wicket-develop mailing list > >> Wicket-develop@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/wicket-develop > >> > >> > >> > > > > Using Tomcat but need to do more? Need to support web services, security? > > Get stuff done quickly with pre-integrated technology to make your job > > easier > > Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo > > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 > > _______________________________________________ > > Wicket-develop mailing list > > Wicket-develop@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/wicket-develop > > > > > Using Tomcat but need to do more? Need to support web services, security? > Get stuff done quickly with pre-integrated technology to make your job easier > Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 > _______________________________________________ > Wicket-develop mailing list > Wicket-develop@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/wicket-develop > Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Wicket-develop mailing list Wicket-develop@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-develop
