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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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/**
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* Contains the Pager_HtmlWidgets class
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*
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* PHP versions 4 and 5
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*
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* LICENSE: Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE FREEBSD PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* @category HTML
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* @package Pager
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* @author Lorenzo Alberton <l dot alberton at quipo dot it>
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* @copyright 2003-2006 Lorenzo Alberton
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* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
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jpm |
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* @version CVS: $Id: HtmlWidgets.php 10 2010-03-05 14:15:42Z jpm $
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jpm |
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* @link http://pear.php.net/package/Pager
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*/
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/**
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* Two constants used to guess the path- and file-name of the page
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* when the user doesn't set any other value
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*/
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class Pager_HtmlWidgets
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{
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var $pager = null;
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// {{{ constructor
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function Pager_HtmlWidgets(&$pager)
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{
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$this->pager =& $pager;
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}
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// }}}
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// {{{ getPerPageSelectBox()
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/**
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* Returns a string with a XHTML SELECT menu,
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* useful for letting the user choose how many items per page should be
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* displayed. If parameter useSessions is TRUE, this value is stored in
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* a session var. The string isn't echoed right now so you can use it
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* with template engines.
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*
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* @param integer $start
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* @param integer $end
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* @param integer $step
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* @param boolean $showAllData If true, perPage is set equal to totalItems.
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* @param array (or string $optionText for BC reasons)
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* - 'optionText': text to show in each option.
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* Use '%d' where you want to see the number of pages selected.
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* - 'attributes': (html attributes) Tag attributes or
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* HTML attributes (id="foo" pairs), will be inserted in the
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* <select> tag
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* - 'checkMaxLimit': if true, Pager checks if $end is bigger
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* than $totalItems, and doesn't show the extra select options
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* @return string xhtml select box
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* @access public
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*/
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function getPerPageSelectBox($start=5, $end=30, $step=5, $showAllData=false, $extraParams=array())
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{
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// FIXME: needs POST support
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$optionText = '%d';
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$attributes = '';
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$checkMaxLimit = false;
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if (is_string($extraParams)) {
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//old behavior, BC maintained
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$optionText = $extraParams;
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} else {
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if (array_key_exists('optionText', $extraParams)) {
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$optionText = $extraParams['optionText'];
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}
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if (array_key_exists('attributes', $extraParams)) {
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$attributes = $extraParams['attributes'];
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}
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if (array_key_exists('checkMaxLimit', $extraParams)) {
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$checkMaxLimit = $extraParams['checkMaxLimit'];
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}
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}
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if (!strstr($optionText, '%d')) {
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return $this->pager->raiseError(
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$this->pager->errorMessage(ERROR_PAGER_INVALID_PLACEHOLDER),
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ERROR_PAGER_INVALID_PLACEHOLDER
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);
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}
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$start = (int)$start;
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$end = (int)$end;
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$step = (int)$step;
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if (!empty($_SESSION[$this->pager->_sessionVar])) {
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$selected = (int)$_SESSION[$this->pager->_sessionVar];
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} else {
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$selected = $this->pager->_perPage;
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}
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if ($checkMaxLimit && $this->pager->_totalItems > 0 && $this->pager->_totalItems < $end) {
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$end = $this->pager->_totalItems;
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}
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$tmp = '<select name="'.$this->pager->_sessionVar.'"';
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if (!empty($attributes)) {
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$tmp .= ' '.$attributes;
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}
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$tmp .= '>';
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$last = $start;
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for ($i=$start; $i<=$end; $i+=$step) {
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$last = $i;
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$tmp .= '<option value="'.$i.'"';
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if ($i == $selected) {
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$tmp .= ' selected="selected"';
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}
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$tmp .= '>'.sprintf($optionText, $i).'</option>';
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}
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if ($showAllData && $last != $this->pager->_totalItems) {
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$tmp .= '<option value="'.$this->pager->_totalItems.'"';
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if ($this->pager->_totalItems == $selected) {
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$tmp .= ' selected="selected"';
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}
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$tmp .= '>';
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if (empty($this->pager->_showAllText)) {
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$tmp .= str_replace('%d', $this->pager->_totalItems, $optionText);
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} else {
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$tmp .= $this->pager->_showAllText;
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}
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$tmp .= '</option>';
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}
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$tmp .= '</select>';
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return $tmp;
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}
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// }}}
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// {{{ getPageSelectBox()
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/**
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* Returns a string with a XHTML SELECT menu with the page numbers,
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* useful as an alternative to the links
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*
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* @param array - 'optionText': text to show in each option.
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* Use '%d' where you want to see the number of pages selected.
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* - 'autoSubmit': if TRUE, add some js code to submit the
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* form on the onChange event
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* @param string $extraAttributes (html attributes) Tag attributes or
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* HTML attributes (id="foo" pairs), will be inserted in the
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* <select> tag
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* @return string xhtml select box
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* @access public
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*/
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function getPageSelectBox($params = array(), $extraAttributes = '')
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{
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$optionText = '%d';
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if (array_key_exists('optionText', $params)) {
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$optionText = $params['optionText'];
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}
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if (!strstr($optionText, '%d')) {
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return $this->pager->raiseError(
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$this->pager->errorMessage(ERROR_PAGER_INVALID_PLACEHOLDER),
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ERROR_PAGER_INVALID_PLACEHOLDER
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);
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}
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$tmp = '<select name="'.$this->pager->_urlVar.'"';
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if (!empty($extraAttributes)) {
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$tmp .= ' '.$extraAttributes;
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}
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if (!empty($params['autoSubmit'])) {
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if ($this->pager->_httpMethod == 'GET') {
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$selector = '\' + '.'this.options[this.selectedIndex].value + \'';
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if ($this->pager->_append) {
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$href = '?' . $this->pager->_http_build_query_wrapper($this->pager->_linkData);
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$href = htmlentities($this->pager->_url). preg_replace(
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'/(&|&|\?)('.$this->pager->_urlVar.'=)(\d+)/',
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'\\1\\2'.$selector,
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htmlentities($href)
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);
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} else {
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$href = htmlentities($this->pager->_url . str_replace('%d', $selector, $this->pager->_fileName));
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}
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$tmp .= ' onchange="document.location.href=\''
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. $href .'\''
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. '"';
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} elseif ($this->pager->_httpMethod == 'POST') {
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$tmp .= " onchange='"
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. $this->pager->_generateFormOnClick($this->pager->_url, $this->pager->_linkData)
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. "'";
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$tmp = preg_replace(
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'/(input\.name = \"'.$this->pager->_urlVar.'\"; input\.value =) \"(\d+)\";/',
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'\\1 this.options[this.selectedIndex].value;',
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$tmp
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);
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}
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}
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$tmp .= '>';
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$start = 1;
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$end = $this->pager->numPages();
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$selected = $this->pager->getCurrentPageID();
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for ($i=$start; $i<=$end; $i++) {
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$tmp .= '<option value="'.$i.'"';
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if ($i == $selected) {
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$tmp .= ' selected="selected"';
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}
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$tmp .= '>'.sprintf($optionText, $i).'</option>';
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}
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$tmp .= '</select>';
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return $tmp;
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}
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// }}}
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}
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?>
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