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