Ryan, Glad you figured out your problem. regards,
Mark -----Original Message----- From: Ryan Cuprak [mailto:[EMAIL PROTECTED] Sent: Sat 6/3/2006 10:34 PM To: Tapestry users Subject: Re: Custom component validation - two fields Hello, I think figured out my problem - I needed to render the html template in rewindFormComponent! It was right in front of me the entire time. -Ryan On Jun 3, 2006, at 3:40 PM, Ryan Cuprak wrote: > > I think I follow. So you only display the TextField if the > checkbox was checked (via refresh submit)? > I plowed ahead with trying to implement my own > AbstractFormComponent that would use an html template and also > render some of its own content. However, I am getting a stale link > exception when I submit. Either I am setting something up > incorrectly or missing the boat on the rewind. Not exactly sure how > to parse the StaleLink page. Been diving through the list archives > and source trying to get a better idea on how component ids are > generated and the rewind is done. > I can create a new form component re-using other form components - > right? > To read the template I yanked code out of the BaseComponent class. > > In the end, I want my custom component to display a checkbox and a > textfield (possibly a PropertySelection as well). When the form is > submitted, if the checkbox is checked but no content is contained > in the textfield I want to decorate it and add a message to the > top. This component will be used at least a dozen time on the page > for different search parameters. > > Gradually learning! > > Thanks, > Ryan > > > Exception: > --- > You have clicked on a stale link. > > Rewind of form test/testForm expected 1 more form elements, > starting with id 'selected'. > > This is most likely the result of using your browser's back button, > but can also be an application error. > > Component Java code: > --- > public abstract class ComboTest extends AbstractFormComponent > implements ITemplateComponent { > > private static Logger logger = Logger.getLogger(ComboTest.class); > > private static final int OUTER_INIT_SIZE = 5; > private IRender[] _outer; > private int _outerCount = 0; > > public ComboTest() { > > } > > public abstract boolean isSelected(); > > public void readTemplate(IRequestCycle cycle, IPageLoader > loader) { > loader.loadTemplateForComponent(cycle,this); > } > > protected void renderFormComponent(IMarkupWriter writer, > IRequestCycle cycle) { > logger.debug("being combotest render"); > // this was an attempt to solve it, thought maybe it was > missing the id for this component (this didn't work.) > writer.begin("input"); > writer.attribute("type","hidden"); > writer.attribute("name",getName()); > writer.attribute("id",getName()); > writer.end(); > for(int i =0; i < _outerCount; i++) { > _outer[i].render(writer,cycle); > } > > logger.debug("end combotest render"); > } > > protected void rewindFormComponent(IMarkupWriter writer, > IRequestCycle cycle) { > logger.debug("combotest choosen: choosen: " + > cycle.getParameter(getName())); > > } > > public void finishLoad(IRequestCycle cycle , IPageLoader > loader , IComponentSpecification specification) { > logger.debug("finishing load"); > readTemplate(cycle,loader); > super.finishLoad(cycle,loader,specification); > } > > public void addOuter(IRender element) { > logger.debug("outer being rendered"); > if(_outer == null) { > _outer = new IRender[OUTER_INIT_SIZE]; > _outer[0] = element; > _outerCount = 1; > return; > } > if (_outerCount == _outer.length) { > IRender[] newOuter; > newOuter = new IRender[_outer.length*2]; > System.arraycopy(_outer,0,newOuter,0,_outerCount); > _outer = newOuter; > } > _outer[_outerCount++] = element; > } > } > > HTML Template: > --- > <html> > <head > > <title>Test</title> > </head> > <body jwcid="$content$"> > <input type="checkbox" jwcid="selected"/> > </body> > </html> > > Template: > --- > <component-specification > class="com.kodak.mis.web.components.ComboTest" > allow-informal-parameters="yes" > allow-body="no"> > <component id="selected" type="Checkbox"> > <binding name="value" value="selected"/> > </component> > </component-specification> > > > On Friday, June 02, 2006, at 12:38PM, Mark Stang > <[EMAIL PROTECTED]> wrote: > >> What we do is to wrap the checkbox in an AnySubmit. And then when >> checked a submit happens and the field is then displayed with >> whatever mark-up is required. If the user attempts to leave the >> screen standard edits tell them they need to provide a value. If >> they uncheck the box, the field goes away. Basically, it is done >> via a Conditional or Choose Component. >> >> hth, >> >> Mark >> >> >> -----Original Message----- >> From: Ryan Cuprak [mailto:[EMAIL PROTECTED] >> Sent: Fri 6/2/2006 12:38 PM >> To: users@tapestry.apache.org >> Subject: Custom component validation - two fields >> >> Hello, >> We are trying to implement a rather simple custom form component >> for a search page and perform validation on it. The custom >> component has a checkbox and a text field. If the checkbox is >> checked then a value must be provided in the text field. If not, >> the field must be decorated and a message displayed at the top of >> the form (tie in with the delegate etc). What is the recommended >> approach for implementing such component validation? Must we >> extend AbstractFormComponent and implement the renderFormComponent >> or is there a simpler approach? Is there a hybrid >> AbstractFormComponent/BaseComponent we have missed somehow? >> >> Thanks! >> Ryan >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> For additional commands, e-mail: [EMAIL PROTECTED] >> >> >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> For additional commands, e-mail: [EMAIL PROTECTED] >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
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