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PaginatedList error

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4 Posts   962 Views


Community Member, 8 Posts

7 May 2013 at 5:48pm

Edited: 07/05/2013 7:31pm

Hi, I'm having some trouble working with PaginatedLists.
I want to make my category page show 15 post in a paginatedlist but the pages must go on 5 pages step. (i.e. Page1 results: post 1-15, Page2 results: post 6-20). The first 5 results won't show the same fields of the others.
The first page is working fine, but the buttons to change pages doesn't work, when I click on it, the URL changes but the page shows the same results.

Here is my actual code:


public function Datalist(integer $num, $start ) {
$paginatedList = new PaginatedList(Page::get()); 
$paginatedList->setPageLength($num)->setPageStart($start)-> where('"ParentID" = 7')->Sort("ID", "Desc"); 
return $paginatedList; 

<% loop $Datalist(5,0) %> 
     <a href=$link> $Title </a><br>
<% end_loop %>


<% loop $Datalist(10,5) %> 
   <a href=$link> $Title </a><br>
<% end_loop %>


<% if $Datalist(5,0).MoreThanOnePage %>
    <% if $Datalist(5,0).NotFirstPage %>
        <a class="prev" href="$Datalist(5,0).PrevLink">Prev</a>
    <% end_if %>
    <% loop $Datalist(5,0).Pages %>
        <% if $CurrentBool %>
        <% else %>
            <% if $Link %>
                <a href="$Link">$PageNum</a>
            <% else %>
            <% end_if %>
        <% end_if %>
        <% end_loop %>
    <% if $Datalist(5,0).NotLastPage %>
        <a class="next" href="$Datalist(5,0).NextLink">Next</a>
    <% end_if %>
<% end_if %> 


Community Member, 254 Posts

9 May 2013 at 4:38pm

Hmm pagination is tricky.
It looks like $Datalist(5,0) is always starting at 0 so never getting anything more than the first 5 results. You need a mechanism to increment the page. The link for forward or back could hook up to a function off the controller which increments an internal number stored in session... but you'd also need a goTo($here) function for the numbered pages.

Haven't read through it but hopefully this could be of some help


Community Member, 8 Posts

13 May 2013 at 10:45am

I've tried to:

	public function Paginando() { 
return new PaginatedList($this->Children(),$this->request); 

just to make it work with the children pages, but whenever i add the "$this->request", the page crash and shows this message:

26 public function __construct(SS_List $list, $request = array()) {
27 if (!is_array($request) && !$request instanceof ArrayAccess) {
28 throw new Exception('The request must be readable as an array.');
29 }


Community Member, 189 Posts

18 May 2013 at 6:48am

Is your function in the controller class? i.e in the "class Page_Controller extends ContentController"