pagination.php

Joomla15 - 最新开源CMS

	 */
	function getListFooter()
	{
		global $mainframe;

		$list = array();
		$list['limit']			= $this->limit;
		$list['limitstart']		= $this->limitstart;
		$list['total']			= $this->total;
		$list['limitfield']		= $this->getLimitBox();
		$list['pagescounter']	= $this->getPagesCounter();
		$list['pageslinks']		= $this->getPagesLinks();

		$chromePath		= JPATH_THEMES.DS.$mainframe->getTemplate().DS.'html'.DS.'pagination.php';
		if (file_exists( $chromePath ))
		{
			require_once( $chromePath );
			if (function_exists( 'pagination_list_footer' )) {
				return pagination_list_footer( $list );
			}
		}
		return $this->_list_footer($list);
	}

	/**
	 * Creates a dropdown box for selecting how many records to show per page
	 *
	 * @access	public
	 * @return	string	The html for the limit # input box
	 * @since	1.0
	 */
	function getLimitBox()
	{
		global $mainframe;

		// Initialize variables
		$limits = array ();

		// Make the option list
		for ($i = 5; $i <= 30; $i += 5) {
			$limits[] = JHTML::_('select.option', "$i");
		}
		$limits[] = JHTML::_('select.option', '50');
		$limits[] = JHTML::_('select.option', '100');
		$limits[] = JHTML::_('select.option', '0', JText::_('all'));

		$selected = $this->_viewall ? 0 : $this->limit;
		
		// Build the select list
		if ($mainframe->isAdmin()) {
			$html = JHTML::_('select.genericlist',  $limits, 'limit', 'class="inputbox" size="1" onchange="submitform();"', 'value', 'text', $selected);
		} else {
			$html = JHTML::_('select.genericlist',  $limits, 'limit', 'class="inputbox" size="1" onchange="this.form.submit()"', 'value', 'text', $selected);
		}
		return $html;
	}

	/**
	 * Return the icon to move an item UP
	 *
	 * @access	public
	 * @param	int		$i The row index
	 * @param	boolean	$condition True to show the icon
	 * @param	string	$task The task to fire
	 * @param	string	$alt The image alternate text string
	 * @return	string	Either the icon to move an item up or a space
	 * @since	1.0
	 */
	function orderUpIcon($i, $condition = true, $task = 'orderup', $alt = 'Move Up', $enabled = true)
	{
		$alt = JText::_($alt);

		$html = '&nbsp;';
		if (($i > 0 || ($i + $this->limitstart > 0)) && $condition)
		{
			if($enabled) {
				$html	= '<a href="#reorder" onclick="return listItemTask(\'cb'.$i.'\',\''.$task.'\')" title="'.$alt.'">';
				$html	.= '   <img src="images/uparrow.png" width="16" height="16" border="0" alt="'.$alt.'" />';
				$html	.= '</a>';
			} else {
				$html	= '<img src="images/uparrow0.png" width="16" height="16" border="0" alt="'.$alt.'" />';
			}
		}

		return $html;
	}

	/**
	 * Return the icon to move an item DOWN
	 *
	 * @access	public
	 * @param	int		$i The row index
	 * @param	int		$n The number of items in the list
	 * @param	boolean	$condition True to show the icon
	 * @param	string	$task The task to fire
	 * @param	string	$alt The image alternate text string
	 * @return	string	Either the icon to move an item down or a space
	 * @since	1.0
	 */
	function orderDownIcon($i, $n, $condition = true, $task = 'orderdown', $alt = 'Move Down', $enabled = true)
	{
		$alt = JText::_($alt);

		$html = '&nbsp;';
		if (($i < $n -1 || $i + $this->limitstart < $this->total - 1) && $condition)
		{
			if($enabled) {
				$html	= '<a href="#reorder" onclick="return listItemTask(\'cb'.$i.'\',\''.$task.'\')" title="'.$alt.'">';
				$html	.= '  <img src="images/downarrow.png" width="16" height="16" border="0" alt="'.$alt.'" />';
				$html	.= '</a>';
			} else {
				$html	= '<img src="images/downarrow0.png" width="16" height="16" border="0" alt="'.$alt.'" />';
			}
		}

		return $html;
	}

	function _list_footer($list)
	{
		// Initialize variables
		$lang =& JFactory::getLanguage();
		$html = "<div class=\"list-footer\">\n";

		if ($lang->isRTL()) {
			$html .= "\n<div class=\"counter\">".$list['pagescounter']."</div>";
			$html .= $list['pageslinks'];
			$html .= "\n<div class=\"limit\">".JText::_('Display Num').$list['limitfield']."</div>";
		} else {
			$html .= "\n<div class=\"limit\">".JText::_('Display Num').$list['limitfield']."</div>";
			$html .= $list['pageslinks'];
			$html .= "\n<div class=\"counter\">".$list['pagescounter']."</div>";
		}

		$html .= "\n<input type=\"hidden\" name=\"limitstart\" value=\"".$list['limitstart']."\" />";
		$html .= "\n</div>";

		return $html;
	}

	function _list_render($list)
	{
		global $mainframe;

		// Initialize variables
		$lang =& JFactory::getLanguage();
		$html = null;

		// Reverse output rendering for right-to-left display
		if($lang->isRTL())
		{
			$html .=  $list['previous']['data'];
			$html .= $list['start']['data'];
			$list['pages'] = array_reverse( $list['pages'] );
			foreach( $list['pages'] as $page ) {
				$html .= $page['data'];
			}
			$html .= $list['end']['data'];
			$html .= $list['next']['data'];
		}
		else
		{
			$html .= '&lt;&lt; ';
			$html .= $list['start']['data'];
			$html .= ' &lt; ';
			$html .= $list['previous']['data'];
			foreach( $list['pages'] as $page ) {
				$html .= ' '.$page['data'];
			}
			$html .= ' '. $list['next']['data'];
			$html .= ' &gt;';
			$html .= ' '. $list['end']['data'];
			$html .= ' &gt;&gt;';
		}
		return $html;
	}

	function _item_active(&$item)
	{
		global $mainframe;
		if ($mainframe->isAdmin()) {
			return "<a title=\"".$item->text."\" onclick=\"javascript: document.adminForm.limitstart.value=".$item->base."; submitform();return false;\">".$item->text."</a>";
		} else {
			return "<a title=\"".$item->text."\" href=\"".$item->link."\" class=\"pagenav\">".$item->text."</a>";
		}
	}

	function _item_inactive(&$item)
	{
		global $mainframe;
		if ($mainframe->isAdmin()) {
			return "<span>".$item->text."</span>";
		} else {
			return "<span class=\"pagenav\">".$item->text."</span>";
		}
	}

	/**
	 * Create and return the pagination data object
	 *
	 * @access	public
	 * @return	object	Pagination data object
	 * @since	1.5
	 */
	function _buildDataObject()
	{
		// Initialize variables
		$data = new stdClass();

		$data->all	= new JPaginationObject(JText::_('View All'));
		if (!$this->_viewall) {
			$data->all->base	= '0';
			$data->all->link	= JRoute::_("&limitstart=0");
		}

		// Set the start and previous data objects
		$data->start	= new JPaginationObject(JText::_('Start'));
		$data->previous	= new JPaginationObject(JText::_('Prev'));

		if ($this->get('pages.current') > 1)
		{
			$page = ($this->get('pages.current') -2) * $this->limit;
			$data->start->base	= '0';
			$data->start->link	= JRoute::_("&limitstart=0");
			$data->previous->base	= $page;
			$data->previous->link	= JRoute::_("&limitstart=".$page);
		}

		// Set the next and end data objects
		$data->next	= new JPaginationObject(JText::_('Next'));
		$data->end	= new JPaginationObject(JText::_('End'));

		if ($this->get('pages.current') < $this->get('pages.total'))
		{
			$page = $this->get('pages.current') * $this->limit;
			$endPage = ($this->get('pages.total') -1) * $this->limit;
			$data->next->base	= $page;
			$data->next->link	= JRoute::_("&limitstart=".$page);
			$data->end->base	= $endPage;
			$data->end->link	= JRoute::_("&limitstart=".$endPage);
		}

		$data->pages = array();
		$stop = $this->get('pages.stop');
		for ($i = $this->get('pages.start'); $i <= $stop; $i ++)
		{
			$offset = ($i -1) * $this->limit;
			$data->pages[$i] = new JPaginationObject($i);
			if ($i != $this->get('pages.current') || $this->_viewall)
			{
				$data->pages[$i]->base	= $offset;
				$data->pages[$i]->link	= JRoute::_("&limitstart=".$offset);
			}
		}
		return $data;
	}
}

/**
 * Pagination object representing a particular item in the pagination lists
 *
 * @author		Louis Landry <[e-mail]>
 * @package 	Joomla.Framework
 * @subpackage	HTML
 * @since		1.5
 */
class JPaginationObject extends JObject
{
	var $text;
	var $base;
	var $link;

	function __construct($text, $base=null, $link=null)
	{
		$this->text = $text;
		$this->base = $base;
		$this->link = $link;
	}
}