我正在将后端组件从Joomla 1.5迁移到Joomla 3.3.3。
组件基本上只显示存储在数据库中的一些数据。也可以过滤项目列表。
一切正常，除了分页问题：基本上，页脚不起作用。如果我尝试点击它来查看不同于1的页面，则没有任何反应。但是，如果那时我也点击搜索或重置按钮，那么它可以工作。
以下是代码：
型号：
<?php
defined('_JEXEC') or die( 'Restricted access' );
jimport('joomla.application.component.model');
class mobileactivationmobilevalidateModelmobilevalidate extends JModelLegacy
{
var $_data = null;
var $_total = null;
var $_pagination = null;
/**
* Construct a Mobile evaluation model
**/
function __construct()
{
//global $mainframe, $option;
//Migration modification
$mainframe = JFactory::getApplication();
$option = JRequest::getCmd('option');
parent::__construct();
// Get pagination request variables
$limit = $mainframe->getUserStateFromRequest('global.list.limit','limit', $mainframe->getCfg('list_limit'));
$limitstart = $mainframe->getUserStateFromRequest("'$option'.mobilevalidate.limitstart",'limitstart',0);
// Set the state pagination variables
$this->setState('limit', $limit);
$this->setState('limitstart',$limitstart);
}
/**
* Build up the query for showing the entries
* uses filters: search, validate status, paging, ordering
**/
function _buildQuery()
{
$option = JRequest::getCmd('option');
$mainframe = JFactory::getApplication();
$filter_validated = $mainframe->getUserStateFromRequest("'$option'.filter_validated",'filter_validated','-1');
$filter_search = $mainframe->getUserStateFromRequest("'$option'.filter_search",'filter_search');
$query = 'SELECT a.`username`, b.`name`, `code`, `send`, `validated` '
. 'FROM `r2n_mobilevalidate` a, `#__users` b '
. 'WHERE a.username = b.username '
. $this->_buildQueryWhere()
. $this->_buildQueryOrderBy();
return $query;
}
/**
* Build filter part of the query
* filters: search, validate status, paging
**/
function _buildQueryWhere()
{
//global $mainframe, $option;
// Get the filter values
//Migration modification
$option = JRequest::getCmd('option');
$mainframe = JFactory::getApplication();
$filter_validated = $mainframe->getUserStateFromRequest("'$option'.filter_validated",'filter_validated','-1');
$filter_search = $mainframe->getUserStateFromRequest("'$option'.filter_search",'filter_search');
// Prepare the WHERE clause
$where = array();
// Determine published state
if ($filter_validated >= 0)
{
$where[] = "validated = '$filter_validated'";
}
// Determine search terms
if ($filter_search = trim($filter_search))
{
//$filter_search = JString::strtolower($filter_search);
$db =& JFactory::getDBO();
$filter_search = $db->escape($filter_search);
$where[] = '(a.username LIKE "%'.$filter_search.'%" OR b.name LIKE "%'.$filter_search.'%")';
}
// Return the WHERE clause
return ($where) ? ' AND '.implode(' AND ', $where) : '';
}
/**
* Build ordering part of query
**/
function _buildQueryOrderBy()
{
//global $mainframe, $option;
//Migration modification
$option = JRequest::getCmd('option');
$mainframe = JFactory::getApplication();
// Array of allowable order fields
$orders = array('a.username','b.name','code','send','validated');
// Get the order field and direction, default ordering is
// send, default direction is descending
$filter_order = $mainframe->getUserStateFromRequest("'$option'.filter_order", 'filter_order', 'send');
$filter_order_Dir = strtoupper($mainframe->getUserStateFromRequest("'$option'.filter_order_Dir", 'filter_order_Dir', 'DESC'));
// Validate order direction
if ($filter_order_Dir != 'ASC' && $filter_order_Dir != 'DESC')
{
$filter_order_Dir = 'ASC';
}
// If order column is unknown, choose default
if (!in_array($filter_order, $orders))
{
$filter_order = 'send';
}
$orderby = ' ORDER BY '.$filter_order.' '.$filter_order_Dir;
if ($filter_order != 'send')
{
$orderby .= ' , send ';
}
return $orderby;
}
/**
* Get data from the model
**/
function getData()
{
if (empty($this->_data))
{
$query = $this->_buildQuery();
$limitstart = $this->getState('limitstart');
$limit = $this->getState('limit');
$this->_data = $this->_getList($query,$limitstart, $limit);
}
return $this->_data;
}
/**
* Get paging element from the model
**/
function getPagination()
{
if (empty($this->_pagination))
{
// Import pagination library
jimport('joomla.html.pagination');
// Prepare pagination values
$total = $this->getTotal();
$limitstart = $this->getState('limitstart');
$limit = $this->getState('limit');
// Create the pagination object
$this->_pagination = new JPagination($total, $limitstart, $limit);
}
return $this->_pagination;
}
/**
* Get total amount of elements to show (for the paging)
**/
function getTotal()
{
if (empty($this->total))
{
$query = $this->_buildQuery();
$this->_total = $this->_getListCount($query);
}
return $this->_total;
}
/**
* Method to validate record(s)
*
* @access public
* @return boolean True on success
**/
function validate()
{
return $this->_setValidated(2);
}
/**
* Method to unvalidate record(s)
*
* @access public
* @return boolean True on success
**/
function unvalidate()
{
return $this->_setValidated(0);
}
/**
* Method to set the validated field of record(s)
*
* @access private
* @return boolean True on success
**/
function _setValidated($value)
{
$cids = JRequest::getVar( 'cid', array(0), 'post', 'array' );
$row =& $this->getTable();
foreach($cids as $cid) {
// Bind the validated field and username to the mobilevalidate table
$data = array('validated' => $value, 'username' => $cid);
if (!$row->bind($data)) {
$this->setError($this->_db->getErrorMsg());
return false;
}
// Make sure the record is valid
if (!$row->check()) {
$this->setError($this->_db->getErrorMsg());
return false;
}
// Store the mobilevalidate table to the database
if (!$row->store()) {
$this->setError( $this->_db->getErrorMsg() );
return false;
}
}
return true;
}
}
?>
查看：
<?php
defined('_JEXEC') or die ( 'Restricted access' );
jimport('joomla.application.component.view');
jimport('joomla.application.application');
class mobileactivationmobilevalidateViewmobilevalidate extends JViewLegacy
{
function display($tpl = null)
{
//global $mainframe,;
$mainframe = JFactory::getApplication();
$option = JRequest::getCmd('option');
JToolBarHelper::title(JText::_('MV_TITLE'), 'generic.png');
JToolBarHelper::custom( 'validate', 'apply.png', 'apply_f2.png', JText::_('VERIFY') );
JToolBarHelper::custom( 'unvalidate', 'cancel.png', 'cancel_f2.png', JText::_('UNVERIFY') );
// Prepare list array
$lists = array();
// Get the user state
$filter_order = $mainframe->getUserStateFromRequest("'$option'.filter_order",'filter_order', 'send');
$filter_order_Dir = $mainframe->getUserStateFromRequest("'$option'.filter_order_Dir",'filter_order_Dir', 'ASC');
$filter_validated = $mainframe->getUserStateFromRequest("'$option'.filter_validated",'filter_validated');
$filter_search = $mainframe->getUserStateFromRequest("'$option'.filter_search",'filter_search');
$validated = array(
array('val'=>'-1','text'=> JText::_('CHOOSE_VERIFICATION')),
array('val'=>'0','text'=> JText::_('STATUS_0')),
array('val'=>'1','text'=> JText::_('STATUS_1')),
array('val'=> '2','text'=> JText::_('STATUS_2')));
// Build the list array for use in the layout
$lists['validated_value'] = $filter_validated;
$lists['order'] = $filter_order;
$lists['order_Dir'] = $filter_order_Dir;
$lists['validated'] = JHTML::_('select.genericList',$validated, 'filter_validated', 'class="inputbox" size="1" onchange="document.adminForm.submit()"', 'val','text', $filter_validated);
$lists['search'] = $filter_search;
// Get data and pagination from the model
$model =$this->getModel('mobilevalidate');
$data =$model->getData();
$pagination =$this->get('Pagination');
// Assign references for the layout to use
$this->assignRef('lists', $lists);
$this->assignRef('items', $data);
$this->assignRef('page', $pagination);
parent::display($tpl);
}
}
?>
模板：
<?php
defined('_JEXEC') or die ('Restricted access');
?>
<form action="index.php?option=com_mobileactivation" method="post" name="adminForm">
<table>
<tr>
<td width="100%" nowrap="nowrap">
<?php echo JText::_('Filter'); ?>:
<input type="text" name="filter_search" id="search" value="<?php echo $this->lists['search'];?>" class="text_area" onchange="this.form.submit();" />
<button onclick="this.form.submit();">
<?php echo JText::_('Search'); ?>
</button>
<button onclick="document.adminForm.
filter_search.value='';this.form.submit();">
<?php echo JText::_('Reset'); ?>
</button>
<?php echo $this->lists['validated']; ?>
</td>
</tr>
</table>
<div id="editcell">
<table class="adminlist">
<thead>
<tr>
<th width="5">
<input type="checkbox" name="toggle"
value="" onclick="checkAll(<?php echo
count($this->items); ?>);" />
</th>
<th width="20%"><?php echo JHTML::_('grid.sort', JText::_('PHONE_NUMBER'), 'a.username', $this->lists['order_Dir'], $this->lists['order'] );?></th>
<th width="20%"><?php echo JHTML::_('grid.sort', JText::_('NAME'), 'b.name', $this->lists['order_Dir'], $this->lists['order'] );?></th>
<th width="20%"><?php echo JHTML::_('grid.sort', JText::_('CODE'), 'code', $this->lists['order_Dir'], $this->lists['order'] ); ?></th>
<th width="20%"><?php echo JHTML::_('grid.sort', JText::_('SENT'), 'send', $this->lists['order_Dir'], $this->lists['order'] ); ?></th>
<th><?php echo JHTML::_('grid.sort', JText::_('VERIFIED'), 'validated', $this->lists['order_Dir'], $this->lists['order'] ); ?></th>
</tr>
</thead>
<?php
$k = 0;
for ($i=0, $n=count( $this->items ); $i < $n; $i++) {
$row = &$this->items[$i];
$checked = JHTML::_('grid.id', $i, $row->username );
?>
<tr class="<?php echo "row" . $k; ?>">
<td><?php echo $checked; ?></td>
<td><?php echo $row->username; ?></td>
<td><?php echo $row->name; ?></td>
<td><?php echo $row->code; ?></td>
<td><?php echo $row->send; ?></td>
<td><?php echo JText::_('STATUS_'.$row->validated); ?></td>
</tr>
<?php
$k = 1 - $k;
}
?>
<tfoot>
<tr>
<td colspan="6"><?php echo $this->page->getListFooter(); ?></td>
</tr>
</tfoot>
</table>
</div>
<input type="hidden" name="option" value="com_mobileactivation" />
<input type="hidden" name="task" value="" />
<input type="hidden" name="controller" value="mobilevalidate" />
<input type="hidden" name="boxchecked" value="0" />
<input type="hidden" name="filter_order" value="<?php echo $this->lists['order']; ?>" />
<input type="hidden" name="filter_order_Dir" value="<?php echo $this->lists['order_Dir']; ?>" />
</form>