Hello,
to access application, use WApplication::instance() static method.
To convert WApplication* to pointer to your Application class
(descendant of WApplication), use boost::polymorphic_cast (C++). I do
not know Java and Ruby versions, but probably there is an equivalent.
Regards,
Boris Nagaev
On Tue, Jan 14, 2014 at 3:29 PM, Raphael Bauduin <rbli...@gmail.com> wrote:
> Hi Boris,
>
> thx for your reply
>
>
> On Tue, Jan 14, 2014 at 12:05 PM, Nagaev Boris <bnag...@gmail.com> wrote:
>>
>> Hello!
>>
>> You can pre-create all possible widgets and listed to the signal from
>> each of them. Normally, all widgets are hidden. When path changes,
>> needed widget (which matches current path) is shown, all other are
>> hidden (which do not match current path). This is memory overhead,
>
>
> If I understand correctly, each widget adds a listener on the application
> instance's internalPathChanged?
> (a quick look to the docs didn't reveal how the widget can access the app
> instance, any suggestion?)
>
> I've seen WMenu has setInternalPathEnabled, I'll try that too.
>
>
>>
>> though. However, probably loading-time and CPU profit. Another method:
>> to create central widget which would listen to path changes and
>> replace its contents with appropriate widget created. Which method to
>> use, depends of number of widgets, sessions and cost of memory and
>> CPU.
>>
>> Regards, Boris Nagaev
>>
>>
>> On Tue, Jan 14, 2014 at 2:53 PM, Raphael Bauduin <rbli...@gmail.com>
>> wrote:
>> > Hi,
>> >
>> > I have a JWt application made up of multiple independent widgets. I'm
>> > not
>> > currently handling internalPath, but want to do it.
>> >
>> > The JRuby code initialising the app's widgets is:
>> >
>> > # The widgets used
>> > suggested_graphs = SuggestedGraphsWidget.new
>> > collected_data = CollectedData.new
>> >
>> > top_bar = WNavigationBar.new(container)
>> > top_bar.setTitle('Dashboard')
>> > top_bar.setResponsive(true)
>> >
>> > # create content stack for the left menu, with the container as
>> > parent
>> > content_stack = WStackedWidget.new(container)
>> > # create the menu with its content stack as parameter
>> > left_menu = WMenu.new(content_stack)
>> > # add items to the menu, with its corresponding widget
>> > left_menu.add_item("Suggested Graphs",suggested_graphs)
>> > left_menu.add_item("Collected data", collected_data)
>> > left_menu.add_item("Other data", WText.new("Other data"))
>> > # add the menu to the top bar
>> > top_bar.add_menu(left_menu)
>> >
>> > container.addWidget(content_stack)
>> >
>> > I'm looking for advice about how I can best manage the internalPath.
>> > From what I've read at http://www.webtoolkit.eu/widgets/navigation/ , it
>> > seems
>> > the way to go is an event listener app->internalPathChanged(). But this
>> > listener then has to change the state of the widgets, which would result
>> > in
>> > non-self contained widgets. Is there a better solution?
>> >
>> > thx in advance!
>> >
>> > Raph
>> >
>> >
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