It turned out to be that I had two setID's, time for new glasses, but
that is now a reported bug by Alex:
http://redmine.webtoolkit.eu/issues/3531
Thanks
On Fri, 2014-08-01 at 13:12 +0200, Koen Deforche wrote:
> Hey Jeffrey,
>
>
>
> 2014-07-27 22:54 GMT+02:00 Jeffrey Scott Flesher Gmail
> <jeffrey.scott.fles...@gmail.com>:
>
> I have a temple like this:
>
> <?xml version="1.0" encoding="UTF-8" ?>
> <messages>
> <message id="x-template">
> <wt id='audio1' class='audio' type='audio/mpeg'
> width='640' height='360' src='/resources/audio.mp3'></wt>
> ${audio1}
> <wt id='audio2' class='audio' type='audio/mpeg'
> width='640' height='360' src='/resources/audio.mp3'></wt>
> ${audio2}
> </message>
> </messages>
>
>
>
> You can do this if you change your template like this:
>
>
> ${widget:audio id='audio1' type='audio/mpeg' width='640'
> height='360' src='/resources/audio.mp3'}
> ${widget:audio id='audio2' type='audio/mpeg' width='640'
> height='360' src='/resources/audio.mp3'}
>
>
>
> This would then use a 'widget' function that you add to the template,
> and which is implemented below:
>
>
> class WidgetFunction
> {
> public:
> typedef boost::function<Wt::WWidget *(const
> std::vector<Wt::WString>&)>
> InstatiateWidget;
>
>
> bool operator()(Wt::WTemplate *t, const std::vector<Wt::WString>&
> args,
> std::ostream& result);
>
>
> void registerType(const std::string& name, InstatiateWidget
> instatiate);
>
>
> private:
> typedef std::map<std::string, InstatiateWidget> RegistryMap;
> RegistryMap registeredTypes_;
>
>
> static std::string getArg(const std::string& name,
> const std::vector<Wt::WString>& args);
> };
>
>
> bool WidgetFunction::operator()(Wt::WTemplate *t,
> const std::vector<Wt::WString>& args,
> std::ostream& result)
> {
> std::string name = args[0].toUTF8();
>
>
> RegistryMap::const_iterator i = registeredTypes_.find(name);
> if (i == registeredTypes_.end()) {
> result << "?? WidgetFunction: no type registered: " << name <<
> "??";
> } else {
> std::string id = getArg("id", args);
>
>
> Wt::WWidget *w = 0;
> if (!id.empty())
> w = t->resolveWidget(id);
>
>
> if (!w) {
> w = i->second(args);
>
>
> std::string cl = getArg("class", args);
> if (!cl.empty())
> w->addStyleClass(cl);
> }
>
>
> if (!w) {
> result << "?? WidgetFunction: could not create instance of type
> "
> << name << "??";
> } else {
> if (id.empty())
> id = w->id();
> }
>
>
> t->bindWidget(id, w);
>
>
> Wt::WString text = Wt::WString::fromUTF8("${" + id + "}");
> t->renderTemplateText(result, text);
> }
>
>
> return true;
> }
>
>
> void WidgetFunction::registerType(const std::string& name,
> InstatiateWidget instantiate)
> {
> registeredTypes_[name] = instantiate;
> }
>
>
> std::string WidgetFunction::getArg(const std::string& name,
> const std::vector<Wt::WString>& args)
> {
> for (unsigned i = 0; i < args.size(); ++i) {
> std::string s = args[i].toUTF8();
> if (boost::starts_with(s, name + "="))
> return s.substr(name.length()+1);
> }
>
>
> return std::string();
> }
>
>
> To register a new 'type', for example 'line-edit' you can then use:
>
>
> Wt::WWidget *createLineEdit(const std::vector<Wt::WString>& args)
> {
> return new Wt::WLineEdit(); // could also process the arguments...
> }
>
>
> WidgetFunction widgetFunction;
> widgetFunction.registerType("line-edit", createLineEdit);
>
>
> Using it, for example:
>
>
> Wt::WTemplate *t = new Wt::WTemplate("${widget:line-edit}");
>
> t->addFunction("widget", widgetFunction);
>
>
> Regards,
> koen
>
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