You can use ComponentSource to grab other pages, and then grab components off of those pages. I've used this approach for plugin-style apps where the components to use for a given data type are determined at runtime and can be "plugged-in".
Robert On Jun 15, 2011, at 6/151:31 PM , Bo Gao wrote: > Thanks. > >> You can't choose your components at runtime. Although, if you have a >> set of known components that you want to choose from you can put your >> components in <t:block> and load the block by id. > > > If there are too many known components, I don't want to put so many > components in on page. > > I have another thought. Can I create a new component, and based on a String > parameter, render this component as another known component. > (Like a page forward to another page). > > or, is there a way to get an instance of a Component using java code at > runtime. > > > On Jun 16, 2011, at 1:26 AM, Josh Canfield wrote: > >>> I want to use a component in a page, but i don't know which to use, >>> I only know a String at Runtime, How can I do this. >> >> http://tapestry.apache.org/principles.html >> >> Principle 1 – Static Structure, Dynamic Behavior >> >> You can't choose your components at runtime. Although, if you have a >> set of known components that you want to choose from you can put your >> components in <t:block> and load the block by id. >> >> >> <t:delegate to="namedBlock"/><!-- where namedBlock is a page property >> which returns the block based on your runtime value --> >> >> <t:block t:id="circle"><t:drawcircle/></t:block> >> <t:block t:id="square"><t:drawsquare/></t:block> >> <t:block t:id="triangle"><t:drawtriangle/></t:block> >> >> >> Josh >> >> On Wed, Jun 15, 2011 at 10:20 AM, Bo Gao <eli...@gmail.com> wrote: >>> I want to use a component in a page, but i don't know which to use, >>> I only know a String at Runtime, How can I do this. >>> >>> I add <div t:type="component1"></div>to a .tml file, "component1" is the >>> Component Class name. >>> I try to add a method getComponentName() to the java file, then i can >>> control which >>> component to use, but i failed. >>> >>> Is their another way to do this? >>> >>> Thanks. >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org >> For additional commands, e-mail: users-h...@tapestry.apache.org >> > > -- > Bo Gao > eli...@gmail.com > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org > For additional commands, e-mail: users-h...@tapestry.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
