OK. I reported this issue as the following bug
http://www.openlaszlo.org/jira/browse/LPP-2273
thanks.
Sanjaya
On Wed, Jun 28, 2006 at 2:02 PM, P T Withington wrote:
> It's a bug! Please report.
>
> fontsize has a setter, when you write a setter, the responsibility
> for sending and event belongs to you. The setter for fontsize
> doesn't send an event. Hence the bug.
>
> The reasoning for giving setters responsibility for sending the event
> is to give the setter writer more freedom; e.g., they may be able to
> optimize the sending (if the attribute didn't change). But with
> freedom comes responsibility. [I think either my father or George
> Bush said that. :P]
>
> On 2006-06-28, at 16:48 EDT, [EMAIL PROTECTED] wrote:
>
>> Hi,
>>
>> I am confuse about the default "on"{attribute} event because it
>> doesn't
>> work for the "fontsize" attribute.
>> Which is not concur to the 'Implicit "on" events' doc:
>>
>> http://www.laszlosystems.com/lps-3.3/docs/guide/methods-events-
>> attributes.html#d0e14234
>> =start quote=
>> Any defined attribute has an associated event called "on" plus the
>> name
>> of the attribute.
>> Whenever the value of any attribute is updated using the
>> setAttribute(),
>> its associated "on" event is generated.
>> For example, the "height" attribute of a view has an associated
>> "onheight" event that is generated whenever the view's height
>> changes.
>> These events are implicit in the sense that they are build into the
>> system — you don't have to declare them or send them.
>> =end quote=
>>
>> consider the following testcase
>> Thanks
>> Sanjaya
>>
>> <canvas debug="true">
>> <simplelayout axis="y" spacing="10" />
>> <method event="onfontsize" reference="mytext">
>> <![CDATA[
>> Debug.write('<method event="onfontsize"
>> reference="mytext">');
>> ]]>
>> </method>
>>
>> <method event="ontext" reference="mytext">
>> <![CDATA[
>> Debug.write('<method event="ontext" reference="mytext">');
>> ]]>
>> </method>
>>
>>
>> <text id="mytext" text="1" fontsize="11">
>> <method event="onfontsize">
>> <![CDATA[
>> Debug.write('<method event="onfontsize">');
>> ]]>
>> </method>
>>
>> <method event="ontext">
>> <![CDATA[
>> Debug.write('<method event="ontext">');
>> ]]>
>> </method>
>> </text>
>>
>> <button text="decrease text"
>> onclick="mytext.setAttribute('text',(mytext.text*1)-1);"/>
>> <button text="increase text"
>> onclick="mytext.setAttribute('text',(mytext.text*1)+1);"/>
>>
>> <text id="output1" text="${mytext.text}" resize="true"/>
>>
>> <!-- why the "onfontsize" event doesn't get triggerred after
>> modifying its value with setAttribute() ?-->
>> <button text="decrease fontsize"
>> onclick="mytext.setAttribute('fontsize',mytext.fontsize-1);"/>
>> <button text="increase fontsize"
>> onclick="mytext.setAttribute('fontsize',mytext.fontsize+1);"/>
>>
>> <text id="output2" text="${mytext.fontsize}" resize="true"/><!--
>> why I am not automatically refreshed? -->
>>
>> <!-- the 'output' does get refreshed after manually sending
>> 'onfontsize' event -->
>> <button text="manually send 'onfontsize' event"
>> onclick="mytext.onfontsize.sendEvent()" />
>> </canvas>
>>
>>
>> _______________________________________________
>> Laszlo-user mailing list
>> [email protected]
>> http://www.openlaszlo.org/mailman/listinfo/laszlo-user
>
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