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<?php
defined( '_JEXEC' ) or die( 'Restricted access' );
use Joomla\String\StringHelper;
$app = JFactory::getApplication();
$caching = $app->getCfg('caching');
$show_alpha = $this->params->get('show_alpha',1);
if ($show_alpha == 1) {
// Language Default
$alphacharacters = JTEXT::_("FLEXI_ALPHA_INDEX_CHARACTERS");
$groups = explode("!!", $alphacharacters);
$groupcssclasses = explode("!!", JTEXT::_("FLEXI_ALPHA_INDEX_CSSCLASSES"));
$alphaaliases = explode("!!", JTEXT::_("FLEXI_ALPHA_INDEX_ALIASES"));
} else { // $show_alpha == 2
// Custom setting
$alphacharacters = $this->params->get('alphacharacters', "[default]=a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,y,z!!0,1,2,3,4,5,6,7,8,9");
// Get a 2 character language tag
$lang = flexicontent_html::getUserCurrentLang();
// a. Try to get for current language
$result = preg_match("/(\[$lang\])=([^[]+)/i", $alphacharacters, $matches);
if ($result) {
$custom_lang_alpha_index = $matches[2];
} else {
// b. Try to get default for all languages
$result = preg_match("/(\[default\])=([^[]+)/i", $alphacharacters, $matches);
if ($result) {
$custom_lang_alpha_index = $matches[2];
} else {
// c. Use default language string from language file
$custom_lang_alpha_index = JTEXT::_("FLEXI_ALPHA_INDEX_CHARACTERS");
}
}
$groups = explode("!!", $custom_lang_alpha_index);
$groupcssclasses = explode("!!", $this->params->get('alphagrpcssclasses'));
$alphaaliases = explode("!!", $this->params->get('alphaaliases'));
}
foreach ($alphaaliases as $alphaalias) {
$alias_data = explode("~", $alphaalias);
if (count($alias_data)!=2) continue;
$alphaalias_arr[$alias_data[0]] = $alias_data[1];
}
$alphacharsep = $this->params->get('alphacharseparator',false);
$alphaskipempty = $this->params->get('alphaskipempty',0);
// a. Trim classes names
foreach ($groupcssclasses as $i => $grpcssclass) {
$groupcssclasses[$i] = trim($grpcssclass);
}
// b. Check for empty first value, means initial string was empty ... and set empty array
if ($groupcssclasses[0]=='') $groupcssclasses = array();
// c. Set missing classes to class 'letters'
for($i=count($groupcssclasses); $i<count($groups); $i++) {
$groupcssclasses[$i] = 'letters';
}
$selected_letter = JFactory::getApplication()->input->get('letter', '');
?>
<div id="fc_alpha">
<?php
$flag = true;
$grp_no=-1;
foreach($groups as $group) {
$grp_no++;
$group_start = true;
$letters = explode(",", $group);
?>
<div class="aichargrp <?php echo $groupcssclasses[$grp_no]; ?>">
<?php if($flag) {?>
<a class="fc_alpha_index" href="javascript:;" onclick="document.getElementById('alpha_index').value=''; var form=document.getElementById('adminForm'); adminFormPrepare(form, 2);"><?php echo JText::_('FLEXI_ALL'); ?></a>
<?php $flag = false;}?>
<?php
foreach ($letters as $letter) :
// a. Skip on empty $letter (2 commas ,,)
$letter = trim($letter);
if ($letter==='') continue;
// b. Check for ALIASes
$letter_label = $letter;
if ($letter==='#' ) {
$letter = "0-9";
}
if (isset($alphaalias_arr[$letter])) {
$letter = $alphaalias_arr[$letter];
}
// c. Try to get range of characters
$range = explode("-", $letter);
// d. Check if character exists
$has_item = false;
if(count($range)==1) {
// Check if any character out of the all subgroup characters exists
// Meaning (There is at least on item title starting with one of the group letters)
$c = 0;
while ($c < StringHelper::strlen($letter)) {
$uchar = StringHelper::substr($letter,$c++,1);
if (in_array($uchar, $this->alpha)) {
$has_item = true;
break;
}
}
} else {
// ERROR CHECK: Character range has only one minus(-)
if (count($range) != 2) {
echo "Error in Alpha Index<br>incorrect letter range: ".$letter."<br>";
continue;
}
// Get range characters
$startletter = $range[0]; $endletter = $range[1];
// ERROR CHECK: Range START and END are single character strings
if (StringHelper::strlen($startletter) != 1 || StringHelper::strlen($endletter) != 1) {
echo "Error in Alpha Index<br>letter range: ".$letter." start and end must be one character<br>";
continue;
}
// Get ord of characters and their rangle length
$startord=FLEXIUtilities::uniord($startletter);
$endord=FLEXIUtilities::uniord($endletter);
$range_length = $endord - $startord;
// ERROR CHECK: Character range has at least one character
if ($range_length > 200 || $range_length < 1) {
// A sanity check that the range is something logical and that
echo "Error in Alpha Index<br>letter range: ".$letter.", is incorrect or contains more that 200 characters<br>";
continue;
}
// Check if any character out of the range characters exists
// Meaning (There is at least on item title starting with one of the range characters)
for($uord=$startord; $uord<=$endord; $uord++) :
$uchar = FLEXIUtilities::unichr($uord);
if (in_array($uchar, $this->alpha)) {
$has_item = true;
break;
}
endfor;
}
if ($alphacharsep) $aiclass = "fc_alpha_index_sep";
else $aiclass = "fc_alpha_index";
$currentclass = '';
if($letter_label == $selected_letter){
$currentclass = 'current';
}
if ($has_item) :
if ($alphacharsep && !$group_start) echo "<span class=\"fc_alpha_index_sep\">$alphacharsep</span>";
echo "<a class=\"$aiclass $currentclass\" href=\"javascript:;\" onclick=\"document.getElementById('alpha_index').value='".$letter."'; ";
echo " var form=document.getElementById('adminForm'); ";
echo " adminFormPrepare(form, 2); \">".StringHelper::strtoupper($letter_label)."</a>";
elseif (!$alphaskipempty) :
if ($alphacharsep && !$group_start) echo "<span class=\"fc_alpha_index_sep\">$alphacharsep</span>";
echo '<span class="'.$aiclass.'">'.StringHelper::strtoupper($letter_label).'</span>';
endif;
$group_start = false;
endforeach;
?>
</div>
<div class='fcclear'></div><?php /* needed by ie6-ie7 */ ?>
<?php
}?>
</div>