Aha, I only covered the resources section of the ebook very briefly. Now having read it again I think this is exactly what I need.
The caching that the browser does itself is good enough for this I think but I could add something later via AOP. Thanks for your help. Eric. On Sat, Mar 29, 2008 at 4:55 PM, Nino Saturnino Martinez Vazquez Wael < [EMAIL PROTECTED]> wrote: > If you want to write it to a file you can do that too btw... > > regards > > Nino Saturnino Martinez Vazquez Wael wrote: > > You dont have to embed it, you could mount it as a resource... But > > still it needs to be generated. However you could cache this, it > > totally up to you.. > > > > > > regards Nin > > > > Eric Rotick wrote: > >> Now I see. I had not discovered these classes! > >> > >> I was hoping to avoid embedding the CSS within the HTML as this does > not > >> benefit from the size reduction that CSS separation gives. However, > >> you've > >> given me another idea. CSS allows for definitions to be overridden > >> locally > >> in each page so I could arrange for the differences to be embedded > >> and leave > >> the rest in the external CSS file. > >> > >> Actually, now I think of it, the idea of a 'standard' set would mean > >> that I > >> have to manage what is the default and what is the exception which is > >> currently done in a hierarchical fashion which is pretty slow to > >> resolve. > >> > >> The concept is that whenever a user changes anything to do with CSS the > >> system recreated the file username.css which is then included in each > >> page > >> dynamically according to the user. The problem comes in where to > >> write the > >> file when in a war deployment situation. I could write it to a > >> database but > >> that still means it has to be 'produced' by the servlet engine and so > >> we are > >> back to the same question. > >> > >> Eric. > >> > >> On Sat, Mar 29, 2008 at 3:37 PM, Nino Saturnino Martinez Vazquez Wael < > >> [EMAIL PROTECTED]> wrote: > >> > >> > >>> > http://wicketstuff.org/confluence/display/STUFFWIKI/wicket-stuff-contrib-input-events > >>> > >>> > >>> essentially its this which are interesting: > >>> > >>> private String generateString(TextTemplate textTemplate) { > >>> // variables for the initialization script > >>> Map<String, String> variables = new HashMap<String, String>(); > >>> > >>> > >>> variables.put("disable_in_input", > >>> getDisable_in_input().toString()); > >>> variables.put("type", getType().toString()); > >>> variables.put("propagate", getPropagate().toString()); > >>> variables.put("target", getTarget()); > >>> > >>> textTemplate.interpolate(variables); > >>> return textTemplate.asString(); > >>> > >>> } > >>> > >>> in your case the text template could look like this: > >>> > >>> private final TextTemplate css = new PackagedTextTemplate( > >>> InputBehavior.class, "mystyle.css"); > >>> > >>> you notate in your text file like this: > >>> > >>> input { > >>> color:${color}; > >>> } > >>> > >>> Basicly you have a textfile and a map, when you interpolate the values > >>> the are replaced by what are inside your map... Ask if you have > >>> questions..:) > >>> > >>> regards Nino > >>> > >>> Eric Rotick wrote: > >>> > >>>> Where can I find out more about this approach? > >>>> > >>>> On Sat, Mar 29, 2008 at 2:07 PM, Nino Saturnino Martinez Vazquez > >>>> Wael < > >>>> [EMAIL PROTECTED]> wrote: > >>>> > >>>> > >>>> > >>>>> if you need to do it dynamicly, you could "just" use the > >>>>> textressourcetemplate approach, something similar what I've done > with > >>>>> the js in wicket input events (I stole the idea from the > >>>>> datepicker).. > >>>>> > >>>>> > >>>>> regards Nino > >>>>> > >>>>> Eric Rotick wrote: > >>>>> > >>>>> > >>>>>> I have a requirement to allow users to change such things as > colour, > >>>>>> > >>>>>> > >>>>> font > >>>>> > >>>>> > >>>>>> etc. for certain markup. Currently this is all 'wrapped' by CSS > >>>>>> > >>>>>> > >>>>> ids/classes > >>>>> > >>>>> > >>>>>> but the use of varying ids/classes seems wrong. > >>>>>> > >>>>>> The use case if for engineers viewing data from sensors. Some > >>>>>> > >>> engineers > >>> > >>>>>> require values below a certain value to be highlighted whereas > other > >>>>>> engineers want values above a certain value to be highlighted. The > >>>>>> highlighting might means changing the font to bold, the background > >>>>>> > >>>>>> > >>>>> colour to > >>>>> > >>>>> > >>>>>> yellow, the foreground colour to red and the surrounding box to > >>>>>> double > >>>>>> lines. I could have CSS classes of highlight1, highlight2 etc but > >>>>>> read > >>>>>> > >>>>>> > >>>>> on. > >>>>> > >>>>> > >>>>>> In essence the markup is exactly the same but for the highlighting > >>>>>> > >>> rules > >>> > >>>>> so > >>>>> > >>>>> > >>>>>> having a number of sub classed pages is not correct. In addition, > >>>>>> the > >>>>>> > >>>>>> > >>>>> rules > >>>>> > >>>>> > >>>>>> at which something may change might change at run time. For > example, > >>>>>> > >>> one > >>> > >>>>>> particular engineer may be monitoring a system where a value is > >>>>>> > >>>>>> > >>>>> highlighted > >>>>> > >>>>> > >>>>>> if it goes outside of a range and another highlight if the > erroneous > >>>>>> > >>>>>> > >>>>> value > >>>>> > >>>>> > >>>>>> has been out of range for an extended time period. Basically, each > >>>>>> > >>>>>> > >>>>> engineer > >>>>> > >>>>> > >>>>>> can choose their own colour scheme. Also, for very complex > >>>>>> situations > >>>>>> > >>> an > >>> > >>>>>> engineer would be overloaded by too much information. In these > cases > >>>>>> > >>>>>> > >>>>> they > >>>>> > >>>>> > >>>>>> dim down the non important data so that the important data becomes > >>>>>> > >>> more > >>> > >>>>>> prominent. > >>>>>> > >>>>>> OK, I could define a bigger set of CSS classes for each situation > >>>>>> but > >>>>>> > >>>>>> > >>>>> each > >>>>> > >>>>> > >>>>>> engineer has a different way of solving the viewing problem and the > >>>>>> > >>>>>> > >>>>> current > >>>>> > >>>>> > >>>>>> system (not web based) does what they want. > >>>>>> > >>>>>> So, I think the solution lies in the dynamic generation of the > >>>>>> CSS at > >>>>>> > >>>>>> > >>>>> run > >>>>> > >>>>> > >>>>>> time from the database. I then thought I would create a small > >>>>>> servlet > >>>>>> > >>> to > >>> > >>>>>> handle this but then, I already have Wicket running, maybe I should > >>>>>> > >>> sub > >>> > >>>>>> class Page and make a CssPage class. I need to have a pop at doing > >>>>>> > >>> this > >>> > >>>>> in > >>>>> > >>>>> > >>>>>> the future anyway for WML so the research would not be wasted. > >>>>>> > >>>>>> I was wondering if anyone had any experience or advice before I > look > >>>>>> > >>>>>> > >>>>> into > >>>>> > >>>>> > >>>>>> this in more detail. > >>>>>> > >>>>>> Eric. > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>> -- > >>>>> -Wicket for love > >>>>> > >>>>> Nino Martinez Wael > >>>>> Java Specialist @ Jayway DK > >>>>> http://www.jayway.dk > >>>>> +45 2936 7684 > >>>>> > >>>>> > >>>>> > --------------------------------------------------------------------- > >>>>> To unsubscribe, e-mail: [EMAIL PROTECTED] > >>>>> For additional commands, e-mail: [EMAIL PROTECTED] > >>>>> > >>>>> > >>>>> > >>>>> > >>>> > >>> -- > >>> -Wicket for love > >>> > >>> Nino Martinez Wael > >>> Java Specialist @ Jayway DK > >>> http://www.jayway.dk > >>> +45 2936 7684 > >>> > >>> > >>> --------------------------------------------------------------------- > >>> To unsubscribe, e-mail: [EMAIL PROTECTED] > >>> For additional commands, e-mail: [EMAIL PROTECTED] > >>> > >>> > >>> > >> > >> > > > > -- > -Wicket for love > > Nino Martinez Wael > Java Specialist @ Jayway DK > http://www.jayway.dk > +45 2936 7684 > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > >
