mirror of
https://github.com/EGroupware/egroupware.git
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226 lines
7.0 KiB
PHP
226 lines
7.0 KiB
PHP
<?php
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/**
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* eGroupWare eTemplate Extension - Tree Widgets
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package etemplate
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* @subpackage extensions
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* @link http://www.egroupware.org
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* @author Ralf Becker <RalfBecker@outdoor-training.de>
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* @version $Id$
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*/
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/**
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* eTemplate Extension: tree widgets with predefined eGW specific content
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*/
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class tree_widget
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{
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/**
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* exported methods of this class
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* @var array
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*/
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var $public_functions = array(
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'pre_process' => True,
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'post_process' => True,
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);
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/**
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* availible extensions and there names for the editor
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* @var array
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*/
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var $human_name = array(
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'tree' => 'Tree',
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'tree-cat' => 'Category tree',
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);
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/**
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* Constructor of the extension
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*
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* @param string $ui '' for html
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*/
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function tree_widget($ui)
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{
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$this->ui = $ui;
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}
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/**
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* pre-processing of the extension
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*
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* This function is called before the extension gets rendered
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*
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* @param string $name form-name of the control
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* @param mixed &$value value / existing content, can be modified
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* @param array &$cell array with the widget, can be modified for ui-independent widgets
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* @param array &$readonlys names of widgets as key, to be made readonly
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* @param mixed &$extension_data data the extension can store persisten between pre- and post-process
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* @param etemplate &$tmpl reference to the template we belong too
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* @return boolean true if extra label is allowed, false otherwise
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*/
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function pre_process($name,&$value,&$cell,&$readonlys,&$extension_data,&$tmpl)
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{
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list($rows,$type,$type2,$type3) = explode(',',$cell['size']);
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$extension_data['type'] = $cell['type'];
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$extension_data['multiple'] = $rows;
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$readonly = $cell['readonly'] || $readonlys;
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switch ($cell['type'])
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{
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case 'tree-cat': // !$type == globals cats too, $type2: not used, $type3: application, if not current-app
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if ($readonly) // for readonly we dont need to fetch all cat's, nor do we need to indent them by level
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{
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$cell['no_lang'] = True;
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foreach(is_array($value) ? $value : (strpos($value,',') !== false ? explode(',',$value) : array($value)) as $id)
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{
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if ($id) $cell['sel_options'][$id] = stripslashes($GLOBALS['egw']->categories->id2name($id));
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}
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break;
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}
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if (!$type3 || $type3 === $GLOBALS['egw']->categories->app_name)
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{
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$categories =& $GLOBALS['egw']->categories;
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}
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else // we need to instanciate a new cat object for the correct application
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{
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$categories = new categories('',$type3);
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}
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$accountId = $GLOBALS['egw_info']['user']['account_id'];
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$cat2path=array();
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foreach((array)$categories->return_sorted_array(0,False,'','','',!$type) as $cat)
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{
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$s = stripslashes($cat['name']);
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if ($cat['app_name'] == 'phpgw' || $cat['owner'] == '-1')
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{
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$s .= ' ♦';
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}
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elseif ($cat['owner'] != $accountId)
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{
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if ($GLOBALS['egw_info']['user']['preferences']['common']['show_category_owner'])
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{
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$s .= ' <' . $GLOBALS['egw']->accounts->id2name($cat['owner'], 'account_fullname') . '>';
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}
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}
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elseif ($cat['access'] == 'private') {
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$s .= ' ♥';
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}
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$cat2path[$cat['id']] = $path = ($cat['parent'] ? $cat2path[$cat['parent']].'/' : '').(string)$cat['id'];
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$cell['sel_options'][$path] = $s;
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}
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// change cat-ids to pathes and preserv unavailible cats (eg. private user-cats)
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if ($value)
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{
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$pathes = $extension_data['unavailable'] = array();
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foreach(is_array($value) ? $value : explode(',',$value) as $cat)
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{
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if (isset($cat2path[$cat]))
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{
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$pathes[] = $cat2path[$cat];
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}
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else
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{
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$extension_data['unavailable'][] = $cat;
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}
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}
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$value = $rows ? $pathes : $pathes[0];
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}
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$cell['size'] = $rows.($type2 ? ','.$type2 : '');
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$cell['no_lang'] = True;
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break;
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}
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// creating a div-id and var-name for the tree-object by replacing brackets with underscores and removing exec or evtl. cont parts
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$tree_id = str_replace(array('exec[cont][','exec[','[',']'),array('','','_',''),$name);
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$onNodeSelect = 'onNodeSelect_'.$tree_id;
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$script = html::input_hidden($name,$value,false)."<script type='text/javascript'>";
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if (($onclick = $cell['onclick']))
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{
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if (strpos($onclick,'$') !== false || $onclick{0} == '@')
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{
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$onclick = $tmpl->expand_name($onclick,$c,$r,$content['.c'],$content['.row'],$content);
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}
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$onclick = $tmpl->js_pseudo_funcs($onclick,$tmpl->name_vars);
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}
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if ($rows >= 1) // multiselction with checkboxes --> use onNodeSelect to check the item
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{
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unset($cell['sel_options']['']);
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$onCheck = 'onCheck_'.$tree_id;
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$script .= "
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function $onCheck(id) {
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document.getElementsByName('$name')[0].value=$tree_id.getAllChecked();
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$onclick;
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}
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function $onNodeSelect(id) {
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$tree_id.setCheck(id,$tree_id.isItemChecked(id) ? 0 : 1);
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$onCheck(id);
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}
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";
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}
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else // single selection
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{
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$script .= "
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function $onNodeSelect(id) {
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document.getElementsByName('$name')[0].value=id;
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$onclick;
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}
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";
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}
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$script .= "</script>\n";
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list(,$class) = explode(',',$cell['span']);
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$value = $script.html::tree($tmpl->_sel_options($cell,$name),$value,false,$onNodeSelect,$tree_id,$class,'',$onCheck);
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$cell = etemplate::empty_cell('html',$cell['name']);
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return True; // extra Label Ok
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}
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/**
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* postprocessing method, called after the submission of the form
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*
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* It has to copy the allowed/valid data from $value_in to $value, otherwise the widget
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* will return no data (if it has a preprocessing method). The framework insures that
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* the post-processing of all contained widget has been done before.
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*
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* Only used by select-dow so far
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*
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* @param string $name form-name of the widget
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* @param mixed &$value the extension returns here it's input, if there's any
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* @param mixed &$extension_data persistent storage between calls or pre- and post-process
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* @param boolean &$loop can be set to true to request a re-submision of the form/dialog
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* @param object &$tmpl the eTemplate the widget belongs too
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* @param mixed &value_in the posted values (already striped of magic-quotes)
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* @return boolean true if $value has valid content, on false no content will be returned!
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*/
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function post_process($name,&$value,&$extension_data,&$loop,&$tmpl,$value_in)
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{
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//echo "value_in"; _debug_array($value_in);
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if (!preg_match('/^[0-9\\/'.($extension_data['multiple']?',':'').']*$/',$value_in)) return false; // guard against xss and other malious content
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$value = $extension_data['multiple'] ? explode(',',$value_in) : $value_in;
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switch ($extension_data['type'])
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{
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case 'tree-cat':
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if ($extension_data['multiple'])
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{
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foreach($value as $k => $path)
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{
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$parts = explode('/',$path);
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$value[$k] = array_pop($parts);
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}
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if ($extension_data['unavailable'])
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{
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$value += $extension_data['unavailable'];
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}
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}
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else
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{
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$parts = explode('/',$value);
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$value = array_pop($parts);
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}
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}
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//echo "value"; _debug_array($value);
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return true;
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}
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}
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