[Laszlo-dev] event handler attributes

[P T Withington]

On 2007-10-29, at 19:18 EDT, Henry Minsky wrote:

> The way it currently works is that things declared with <event> can  
> be given
> script to run in the attribute, without a compiler warning. So if  
> you have
>
> <class name="foo">
>   <event name="onbar"/>
>   <attribute name="xbar"/>
> </class>
>
> <foo id="baz" onbar="Debug.write('this is ok!')"
>                      onxbar="Debug.write('this gives you a  
> warning')"/>
>
> You will get a warning for the  attribute assignment to "onxbar",  
> but you
> won't get one for the "onbar"
>
>
>
>
>
>
> On 10/29/07, P T Withington <ptw at pobox.com> wrote:
>>
>> He is asking if with your new validator, users can finally create
>> events that can be named in the open tag (the way only 'system'  
>> events
>> could in the past, because they had to be declared in the schema).
>>
>> I think the right answer is that any event that is declared, e.g.:
>>
>> <event name="onripeness" />
>>
>> should be permitted in the open tag.  But implicit events should not.
>> Below, in Ben's example, 'onripeness' is implicit.
>>
>> Along the same lines, in Ben's example, can I say:
>>
>> <fruit ripeness="..." />
>>
>> I.e., can I name _any_ attribute in the open tag now?
>>
>> On 2007-10-29, at 18:49 EDT, Henry Minsky wrote:
>>
>>> You mean if the user doesn't explicitly declare the event?
>>>
>>> On 10/29/07, Benjamin Shine <ben at laszlosystems.com> wrote:
>>>>
>>>>
>>>> Henry, with the new validator, do we (want to) allow this scenario?
>>>>
>>>> <class name="fruit">
>>>> <attribute name="ripeness" ... />
>>>> </class>
>>>>
>>>> <fruit name="avocado" onripeness="Debug.write('mmm ripe  
>>>> avocado')" />
>>>>
>>>>
>>>>
>>>
>>>
>>> --
>>> Henry Minsky
>>> Software Architect
>>> hminsky at laszlosystems.com
>>
>>
>
>
> -- 
> Henry Minsky
> Software Architect
> hminsky at laszlosystems.com