B.S.Navin wrote: > Looking at the original post, it looks like the person wants a unique > "name" attribute. > errr... i thought he couldn't refresh the specific part... my mistake > But Andy's solution will provide a unique "id" attribute. (As "name" > is a reserved parameter in TextField, and is calculated using the > components original ID - not the bound id). > > So I feel that, even though the ID is unique, the name still can > conflict and result in the the data being clobbered - as HTML form > submission uses the "name" attribute, rather than the "id" attribute. > Even if that's the case, why is it problematic to have controls with the same name? I believe Tapestry handles them correctly > On 14-Sep-06, at 11:48 AM, andyhot wrote: > > >> Here's a trick that some tacos components use to get past this issue. >> >> in your CustomField.jwc >> >> <component id="myTextField" type="TextField" inherit-informal- >> parameters="yes"> >> <binding name="id" value="components.myTextField.idPath"/> >> <binding name="name" value="name"/> >> </component> >> >> >> ognl:components.tableSection.idPath >> >> Chaitanya Jeerage wrote: >> >>> Issue: Data *wrongly* getting updated due to Tapestry/Tacos handling >>> of Textfield Name convention when it is embedded within a custom >>> component. >>> >>> When we use a Custom component which has a Text Field in it, we can >>> end up with two TextFields with the **SAME NAME** after an >>> AjaxEventSubmit call. >>> >>> So let's say we have: >>> >>> <span jwcid="[EMAIL PROTECTED]" source="ognl:telephones" >>> value="ognl:currentTelephone"> >>> <input jwcid="[EMAIL PROTECTED]:customField" >>> value="ognl:currentTelephone.number"/> >>> </span> >>> >>> <span jwcid="[EMAIL PROTECTED]" source="ognl:emails" >>> value="ognl:currentTelephone"> >>> <input jwcid="[EMAIL PROTECTED]:customField" >>> value="ognl:currentEmail.email"/> >>> </span> >>> >>> The "customField" component has a embedded "TextField" >>> >>> The custom component looks like this: >>> >>> CustomField.jwc partial code >>> >>> <component id="TextField" type="TextField" >>> inherit-informal-parameters="yes"> >>> <binding name="id" value="id"/> >>> <binding name="name" value="name"/> >>> </component> >>> >>> >>> So when the Page is initially rendered, the TextFields come with >>> Names >>> as "TextField_0", "TextField_1" etc. NOTE however that there is no >>> distinguishing by naming convention which TextField "belongs" to >>> which >>> component, via naming convention. The reason for TextField_0 seems >>> to be because of the JWCID in the CustomField.jwc >>> >>> Now when we have an Ajax call to add a Telephone number to the >>> Telephone List the clash occurs! Since add to the Telephone list >>> creates a new TextField_xx, it clashes with the Emails because we're >>> doing a partial refresh of the Telephone List portion using Ajax. >>> >>> On form submit we can get some Telephone data into Email fields!! >>> >>> However, in the same scenario, if we directly use a "TextField" >>> instead of the custom component, for ex >>> >>> <span jwcid="[EMAIL PROTECTED]" source="ognl:telephones" >>> value="ognl:currentTelephone"> >>> <input jwcid="[EMAIL PROTECTED]" >>> value="ognl:currentTelephone.number"/> >>> </span> >>> >>> on addition of rows to the "telephones" list, new input text fields >>> are added to the screen and the name generated are like "tele", >>> "tele_0", "tele_1" , Note, here it is using the jwcid value and so >>> works fine!! >>> >>> If TextField could "inherit" it's name from its enclosing component, >>> we would not have any issues!! >>> >>> Any pointers please?! >>> >>> thanks >>> >>> --------------------------------------------------------------------- >>> ---- >>> Using Tomcat but need to do more? Need to support web services, >>> security? >>> Get stuff done quickly with pre-integrated technology to make your >>> job easier >>> Download IBM WebSphere Application Server v.1.0.1 based on Apache >>> Geronimo >>> http://sel.as-us.falkag.net/sel? >>> cmd=lnk&kid=120709&bid=263057&dat=121642 >>> _______________________________________________ >>> Tacos-devel mailing list >>> [email protected] >>> https://lists.sourceforge.net/lists/listinfo/tacos-devel >>> >>> >>> >> -- >> Andreas Andreou - [EMAIL PROTECTED] - http://andyhot.di.uoa.gr >> Tapestry / Tacos developer >> Open Source / J2EE Consulting >> >> >> ---------------------------------------------------------------------- >> --- >> Using Tomcat but need to do more? Need to support web services, >> security? >> Get stuff done quickly with pre-integrated technology to make your >> job easier >> Download IBM WebSphere Application Server v.1.0.1 based on Apache >> Geronimo >> http://sel.as-us.falkag.net/sel? >> cmd=lnk&kid=120709&bid=263057&dat=121642 >> _______________________________________________ >> Tacos-devel mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/tacos-devel >> >> > > > ------------------------------------------------------------------------- > Using Tomcat but need to do more? Need to support web services, security? > Get stuff done quickly with pre-integrated technology to make your job easier > Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 > _______________________________________________ > Tacos-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/tacos-devel > >
-- Andreas Andreou - [EMAIL PROTECTED] - http://andyhot.di.uoa.gr Tapestry / Tacos developer Open Source / J2EE Consulting ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Tacos-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/tacos-devel
