But why would you want that? I can see the benefit but I am afraid that
that will just make your tml more complicated where in my mind logic like
that belongs in .java
just my 2 cents
cheers
On Sun, Nov 17, 2013 at 6:30 PM, Matthias <thegreatme...@gmail.com> wrote:
> @Howard
> Thanks for your reply. I know that it was possible with Java code, but i
> tried to avoid to write extra methods for such simple tasks.
>
> @Michael
> WOW! Thats really nice. Exactly what I was looking for. I improved it a
> bit to make the false value optional.
>
> // constructor without falseBinding
> public CondBinding(Binding conditionBinding, Binding trueBinding,
> TypeCoercer resolver) {
> this(conditionBinding, trueBinding, null, resolver);
> }
>
> // just check if valueFalse is set
> @Override
> public Object get() {
> String valueTrue = resolver.coerce(trueBinding.get(),
> String.class);
> String valueFalse = falseBinding != null ?
> resolver.coerce(falseBinding.get(), String.class) : null;
> Boolean condition = resolver.coerce(conditionBinding.get(),
> Boolean.class);
> return condition != null && condition ? valueTrue : valueFalse;
> }
>
>
> // in BindingFactory
> @Override
> public Binding newBinding(String description, ComponentResources
> container, ComponentResources component, String expression,
> Location location) {
> String[] parts = expression.split(DELIMETER, 3);
>
> // well i'm not sure what happens here if parts < 2
> if (parts.length < 2) {
> return bindingSource.newBinding(description, container,
> component, "prop", expression, location);
> }
>
> String condition = parts[0];
> String valueTrue = parts[1];
> Binding conditionBinding = makeBinding(condition,
> DEFAULT_CONDITION_PREFIX, container, description);
> Binding trueBinding = makeBinding(valueTrue, DEFAULT_VALUE_PREFIX,
> container, description);
>
> if (parts.length == 3) {
> String valueFalse = parts[2];
> Binding falseBinding = makeBinding(valueFalse,
> DEFAULT_VALUE_PREFIX, container, description);
> return new CondBinding(conditionBinding, trueBinding,
> falseBinding, resolver);
> }
> return new CondBinding(conditionBinding, trueBinding, resolver);
> }
>
> // Usage
> class="${cond:selected, selected}"
>
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--
Sincerely
*Boris Horvat*
