i believe page reference has been backported to 1.3 trunk
-igor
On Mon, Jun 29, 2009 at 2:59 PM, kar...@sf<kar...@users.sf.net> wrote:
>
> Hello,
>
> I have implemented Carlo's approach in my base page and wrapped methods
> around it to create page parameters and redirect to the previous page. Thank
> you for this contribution.
>
> Everything works just fine, but there are some voices on my team that think
> that this approach is unnecessary and overly verbose. Though, no
> alternatives are presented.
>
> Is this approach recommended by others on this list? Does anyone have a
> pointer to a similar implementation in 1.4 (PageReference?). We are still on
> 1.3, but it would be interesting.
>
> Thank you,
> Kariem
>
>
>
> Carlo Camerino wrote:
>>
>> Try this
>>
>> I have this method for getting the current page id and version.
>>
>> protected PageIDVersion getCurrentPageIDVersion() {
>> PageIDVersion pageIDVersion = new
>> PageIDVersion(getPageMapEntry().getNumericId(),
>> getCurrentVersionNumber());
>> return pageIDVersion;
>> }
>>
>> I send it to the next page by using a
>>
>> class PageIDVersion {
>> private Integer pageNum;
>> private Integer version;
>> }
>>
>> I store it as an instance in next page.
>>
>> public class NextPage() {
>> private pageIdVersion pageIdVersion
>> private NextPage(PageIDVersion pageIdVersion) }
>> this.pageIdVersion = pageIDversion;
>> }
>> }
>>
>> Then use this button to reference the previous page.
>>
>> package com.ccti.base.web.components.button;
>>
>> import org.apache.wicket.behavior.SimpleAttributeModifier;
>> import org.apache.wicket.markup.html.link.Link;
>>
>> import com.ccti.base.web.utilities.PageIDVersion;
>>
>> /**
>> * @author Carlo M. Camerino
>> *
>> */
>> public class BackButton extends Link {
>> private PageIDVersion pageIDVersion;
>>
>> public BackButton(String id, PageIDVersion pageIDVersion) {
>> super(id);
>> this.pageIDVersion = pageIDVersion;
>> add(new SimpleAttributeModifier("value", "Back"));
>> }
>>
>> @Override
>> public void onClick() {
>> setResponsePage(getPage().getPageMap().get(pageIDVersion.getId(),
>> pageIDVersion.getVersion()));
>> }
>>
>>
>> }
>>
>>
>
> --
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> http://www.nabble.com/Possible-to-retrieve-previous-page-from-PageMap-tp20861106p24261680.html
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>
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