Also tapestry is still implementing the redirect after post mechanism so, I
think this could explain the behavior you are having.
On Sat, Sep 15, 2012 at 9:55 AM, Muhammad Gelbana <m.gelb...@gmail.com>wrote:
> 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.
>>
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>>
>
