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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* Contains the Pager_HtmlWidgets class
*
* PHP versions 4 and 5
*
* LICENSE: Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE FREEBSD PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @category HTML
* @package Pager
* @author Lorenzo Alberton <l.alberton@quipo.it>
* @copyright 2003-2007 Lorenzo Alberton
* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
* @version CVS: $Id: HtmlWidgets.php,v 1.7 2009/03/13 16:51:37 quipo Exp $
* @link http://pear.php.net/package/Pager
*/
/**
* Pager_HtmlWidgets
*
* @category HTML
* @package Pager
* @author Lorenzo Alberton <l.alberton@quipo.it>
* @copyright 2003-2007 Lorenzo Alberton
* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
* @link http://pear.php.net/package/Pager
*/
class Pager_HtmlWidgets
{
var $pager = null;
// {{{ constructor
/**
* Constructor
*
* @param object &$pager Pager instance
*/
function Pager_HtmlWidgets(&$pager)
{
$this->pager =& $pager;
}
// }}}
// {{{ getPerPageSelectBox()
/**
* Returns a string with a XHTML SELECT menu,
* useful for letting the user choose how many items per page should be
* displayed. If parameter useSessions is TRUE, this value is stored in
* a session var. The string isn't echoed right now so you can use it
* with template engines.
*
* @param integer $start starting value for the select menu
* @param integer $end ending value for the select menu
* @param integer $step step between values in the select menu
* @param boolean $showAllData If true, perPage is set equal to totalItems.
* @param array $extraParams (or string $optionText for BC reasons)
* - 'optionText': text to show in each option.
* Use '%d' where you want to see the number of pages selected.
* - 'attributes': (html attributes) Tag attributes or
* HTML attributes (id="foo" pairs), will be inserted in the
* <select> tag
* - 'checkMaxLimit': if true, Pager checks if $end is bigger
* than $totalItems, and doesn't show the extra select options
* - 'autoSubmit': if TRUE, add some js code
* to submit the form on the onChange event
*
* @return string xhtml select box
* @access public
*/
function getPerPageSelectBox($start=5, $end=30, $step=5, $showAllData=false, $extraParams=array())
{
// FIXME: needs POST support
$optionText = '%d';
$attributes = '';
$checkMaxLimit = false;
if (is_string($extraParams)) {
//old behavior, BC maintained
$optionText = $extraParams;
} else {
if (array_key_exists('optionText', $extraParams)) {
$optionText = $extraParams['optionText'];
}
if (array_key_exists('attributes', $extraParams)) {
$attributes = $extraParams['attributes'];
}
if (array_key_exists('checkMaxLimit', $extraParams)) {
$checkMaxLimit = $extraParams['checkMaxLimit'];
}
}
if (!strstr($optionText, '%d')) {
return $this->pager->raiseError(
$this->pager->errorMessage(ERROR_PAGER_INVALID_PLACEHOLDER),
ERROR_PAGER_INVALID_PLACEHOLDER
);
}
$start = (int)$start;
$end = (int)$end;
$step = (int)$step;
if (!empty($_SESSION[$this->pager->_sessionVar])) {
$selected = (int)$_SESSION[$this->pager->_sessionVar];
} else {
$selected = $this->pager->_perPage;
}
if ($checkMaxLimit && $this->pager->_totalItems >= 0 && $this->pager->_totalItems < $end) {
$end = $this->pager->_totalItems;
}
$tmp = '<select name="'.$this->pager->_sessionVar.'"';
if (!empty($attributes)) {
$tmp .= ' '.$attributes;
}
if (!empty($extraParams['autoSubmit'])) {
if ('GET' == $this->pager->_httpMethod) {
$selector = '\' + '.'this.options[this.selectedIndex].value + \'';
if ($this->pager->_append) {
$tmpLinkData = $this->pager->_linkData;
if (isset($tmpLinkData[$this->pager->_urlVar])) {
$tmpLinkData[$this->pager->_urlVar] = $this->pager->getCurrentPageID();
}
$tmpLinkData[$this->pager->_sessionVar] = '1';
$href = '?' . $this->pager->_http_build_query_wrapper($tmpLinkData);
$href = htmlentities($this->pager->_url, ENT_COMPAT, 'UTF-8'). preg_replace(
'/(&|&|\?)('.$this->pager->_sessionVar.'=)(\d+)/',
'\\1\\2'.$selector,
htmlentities($href, ENT_COMPAT, 'UTF-8')
);
} else {
$href = htmlentities($this->pager->_url . str_replace('%d', $selector, $this->pager->_fileName), ENT_COMPAT, 'UTF-8');
}
$tmp .= ' onchange="document.location.href=\''
. $href .'\''
. '"';
} elseif ($this->pager->_httpMethod == 'POST') {
$tmp .= " onchange='"
. $this->pager->_generateFormOnClick($this->pager->_url, $this->pager->_linkData)
. "'";
$tmp = preg_replace(
'/(input\.name = \"'.$this->pager->_sessionVar.'\"; input\.value =) \"(\d+)\";/',
'\\1 this.options[this.selectedIndex].value;',
$tmp
);
}
}
$tmp .= '>';
$last = $start;
for ($i=$start; $i<=$end; $i+=$step) {
$last = $i;
$tmp .= '<option value="'.$i.'"';
if ($i == $selected) {
$tmp .= ' selected="selected"';
}
$tmp .= '>'.sprintf($optionText, $i).'</option>';
}
if ($showAllData && $last != $this->pager->_totalItems) {
$tmp .= '<option value="'.$this->pager->_totalItems.'"';
if ($this->pager->_totalItems == $selected) {
$tmp .= ' selected="selected"';
}
$tmp .= '>';
if (empty($this->pager->_showAllText)) {
$tmp .= str_replace('%d', $this->pager->_totalItems, $optionText);
} else {
$tmp .= $this->pager->_showAllText;
}
$tmp .= '</option>';
}
if (substr($tmp, -9, 9) !== '</option>') {
//empty select
$tmp .= '<option />';
}
$tmp .= '</select>';
return $tmp;
}
// }}}
// {{{ getPageSelectBox()
/**
* Returns a string with a XHTML SELECT menu with the page numbers,
* useful as an alternative to the links
*
* @param array $params - 'optionText': text to show in each option.
* Use '%d' where you want to see the number
* of pages selected.
* - 'autoSubmit': if TRUE, add some js code
* to submit the form on the onChange event
* @param string $extraAttributes (html attributes) Tag attributes or
* HTML attributes (id="foo" pairs), will be
* inserted in the <select> tag
*
* @return string xhtml select box
* @access public
*/
function getPageSelectBox($params = array(), $extraAttributes = '')
{
$optionText = '%d';
if (array_key_exists('optionText', $params)) {
$optionText = $params['optionText'];
}
if (!strstr($optionText, '%d')) {
return $this->pager->raiseError(
$this->pager->errorMessage(ERROR_PAGER_INVALID_PLACEHOLDER),
ERROR_PAGER_INVALID_PLACEHOLDER
);
}
$tmp = '<select name="'.$this->pager->_urlVar.'"';
if (!empty($extraAttributes)) {
$tmp .= ' '.$extraAttributes;
}
if (!empty($params['autoSubmit'])) {
if ($this->pager->_httpMethod == 'GET') {
$selector = '\' + '.'this.options[this.selectedIndex].value + \'';
if ($this->pager->_append) {
$href = '?' . $this->pager->_http_build_query_wrapper($this->pager->_linkData);
$href = htmlentities($this->pager->_url, ENT_COMPAT, 'UTF-8'). preg_replace(
'/(&|&|\?)('.$this->pager->_urlVar.'=)(\d+)/',
'\\1\\2'.$selector,
htmlentities($href, ENT_COMPAT, 'UTF-8')
);
} else {
$href = htmlentities($this->pager->_url . str_replace('%d', $selector, $this->pager->_fileName), ENT_COMPAT, 'UTF-8');
}
$tmp .= ' onchange="document.location.href=\''
. $href .'\''
. '"';
} elseif ($this->pager->_httpMethod == 'POST') {
$tmp .= " onchange='"
. $this->pager->_generateFormOnClick($this->pager->_url, $this->pager->_linkData)
. "'";
$tmp = preg_replace(
'/(input\.name = \"'.$this->pager->_urlVar.'\"; input\.value =) \"(\d+)\";/',
'\\1 this.options[this.selectedIndex].value;',
$tmp
);
}
}
$tmp .= '>';
$start = 1;
$end = $this->pager->numPages();
$selected = $this->pager->getCurrentPageID();
for ($i=$start; $i<=$end; $i++) {
$tmp .= '<option value="'.$i.'"';
if ($i == $selected) {
$tmp .= ' selected="selected"';
}
$tmp .= '>'.sprintf($optionText, $i).'</option>';
}
$tmp .= '</select>';
return $tmp;
}
// }}}
}
?>
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