I couldn't comprehend all your code but could you encoder be called once
for decoding the read Id from the client(browser) to a LineItem and once
for encoding LineItems to Ids to be sent to the client ?
On Fri, Sep 14, 2012 at 7:41 PM, George Christman
<gchrist...@cardaddy.com>wrote:
> Hello, perhaps this is normal behavior although it wouldn't any sense to
> me,
> but my value encoder seems to be called twice for every new row added to
> the
> AjaxAddRow component. Is this normal? I'm not sure why it is happening.
> Sample code.
>
> .tml
>
> <div t:type="ajaxFormLoop" t:id="lineItem" source="pr.lineItems"
> value="lineItem" show="show" encoder="encoderLineItem">
> <t:submitnotifier>
> <t:hidden value="lineItem.sequenceNumber"/>
> <t:TextField value="lineItem.quantity"/>
> <t:TextField
> value="lineItem.description"/><t:removerowlink>Remove</t:removerowlink>
> </t:submitnotifier>
> <p:addRow>
> <t:addrowlink>Add a row</t:addrowlink>
> </p:addRow>
> </div>
>
> java.class
>
> void onActivate(String prId) throws Exception {
> Long id;
> try {
> id = Long.parseLong(prId);
> } catch (NumberFormatException e) {
> //TODO HANDLE THIS
> throw new NumberFormatException("Bad url parameters " + e);
> }
>
> //Queries for existing purchase request.
> //We are ignoring ajax request and only allowing valid form
> submissions
> //without serverside validation errors to pass through.
> if(form.isValid()) {
> this.pr = this.purchaseRequestService.find(id);
>
> if(this.pr == null) {
> //TODO HANDLE THIS
> throw new Exception("Pr doesn't exist.");
> }
> }
> }
>
> Object onPassivate() {
> Object value = null;
> if (this.pr != null) {
> value = this.pr.getId();
> }
> return value;
> }
>
> void onPrepareFromPr() {
> if (form.isValid() && this.pr == null) {
> this.pr = new PurchaseRequest();
> } else if(!form.isValid()) {
> this.pr = this.prReconstruction;
> }
>
> }
>
>
> public LineItem getLineItem() {
> return lineItem;
> }
>
> public void setLineItem(LineItem lineItem) {
> this.lineItem = lineItem;
>
> if (isSubmitAction) {
> if(lineItem.getId() == null) {
> this.pr.getLineItems().add(lineItem);
> }
> this.lineItem.setHoldItem(true);
> }
> }
>
> LineItem onAddRowFromLineItem() {
> return new LineItem();
> }
>
> void onRemoveRowFromLineItem(LineItem lineItem) {
> //Do Nothing
> }
>
> public ValueEncoder getEncoderLineItem() {
> System.out.println("Value Encoder");
> return new ValueEncoder<LineItem>() {
> public String toClient(LineItem value) {
> System.out.println("toClientId " + value);
> if (value.getId() != null) {
> return value.getId().toString();
> }
> return value.getTempId().toString();
> }
>
> public LineItem toValue(String clientValue) {
> Long id = new Long(clientValue);
> if (id > 0) {
> for(LineItem lineItem : pr.getLineItems()) {
> if(lineItem.getId().equals(id)) {
> return lineItem;
> }
> }
> }
> return new LineItem(pr);
> }
> };
> }
>
>
>
> --
> View this message in context:
> http://tapestry.1045711.n5.nabble.com/Value-encoder-toClient-called-twice-for-each-request-tp5716275.html
> Sent from the Tapestry - User mailing list archive at Nabble.com.
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org
> For additional commands, e-mail: users-h...@tapestry.apache.org
>
>
