* @version $Id$ */ /** * eTemplate Extension: several widgets as user-interface for the link-class * * All widgets use the link-registry, to "know" which apps use popups (and what size). * If run in a popup and the app uses no popups, a target will be set, to open a new full decorated window. * * The class contains the following widgets: * - link: Show a link to one linked entry specified by an array with keys app, id and optional title and help-message * - link-to: Widget to create links to an other entries of link-aware apps * If an id was set, this widgets creats the links without further interaction with the calling code. * If the entry does not yet exist, the widget returns an array with the new links in the id. After the * entry was successful create, bolink::link($app,$new_id,$arr) has to be called to create the links! * - link-list: Widget to shows the links to an entry in a table with an unlink icon for each link * - link-string: comma-separated list of link-titles with a link to its view method, value is like get_links() * or array with keys to_app and to_id (widget calls then get_links itself) * - link-add: Add a new entry of the select app, which is already linked to a given entry * * * $content[$name] = array( * 'to_app' => // I string appname of the entry to link to * 'to_id' => // IO int id of the entry to link to, for new entries 0, returns the array with new links * // the following params apply only for the link-to widget! * 'no_files' => // I boolean suppress attach-files, default no * 'search_label' => // I string label to use instead of search * 'link_label' => // I string label for the link button, default 'Link' * // optional only for the link-add widget * 'extra' => // I array with extra parameters, eg. array('cat_id' => 15) * ); * * * This widget is independent of the UI as it only uses etemplate-widgets and has therefor no render-function. * * @package etemplate * @subpackage extensions * @author Ralf Becker * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License */ class link_widget { /** * @var array exported methods of this class */ var $public_functions = array( 'pre_process' => True, 'post_process' => True ); /** * @var array availible extensions and there names for the editor */ var $human_name = array( 'link' => 'Link', 'link-to' => 'LinkTo', 'link-list' => 'LinkList', 'link-string' => 'LinkString', 'link-add' => 'LinkEntry', ); /** * @var boolean $debug switches debug-messages on and off */ var $debug = False; /** * @var object $link reference to the link class */ var $link; /** * Constructor of the extension * * @param string $ui '' for html */ function link_widget($ui) { if (!is_object($GLOBALS['egw']->link)) { $GLOBALS['egw']->link =& CreateObject('infolog.bolink'); } $this->link =& $GLOBALS['egw']->link; } /** * 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 &$extension_data data the extension can store persisten between pre- and post-process * @param object &$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) { $type = $cell['type']; $help = $cell['help'] ? ($value['help'] ? $value['help'] : $cell['help']) : lang('view this linked entry in its application'); if (($type == 'link-to' || $type == 'link-add') && ($cell['readonly'] || $readonlys)) { //echo "

link-to is readonly, cell=".print_r($cell,true).", readonlys=".print_r($readonlys)."

\n"; // readonly ==> omit the whole widget $cell = $tmpl->empty_cell(); return; } if (!is_array($value) && $type != 'link-string' && $type != 'link') { $value = array( 'to_id' => $value, 'to_app' => $GLOBALS['egw_info']['flags']['currentapp'] ); } if ($this->debug) { echo "

link_widget::pre_process($name,$value,".print_r($cell,true).",$readonlys,,)

\n"; echo "

start: $cell[type][$name]::pre_process: value ="; _debug_array($value); echo "extension_data[$cell[type]][$name] ="; _debug_array($extension_data); } switch ($type = $cell['type']) { case 'link': $cell['readonly'] = True; // set it readonly to NOT call our post_process function $cell['no_lang'] = 1; $link = $target = $popup = ''; if ($value['app'] && $value['id']) { $view = $this->link->view($value['app'],$value['id']); $link = $view['menuaction']; unset($view['menuaction']); foreach($view as $var => $val) { $link .= '&'.$var.'='.$val; } if (!($popup = $this->link->is_popup($value['app'],'view')) && $GLOBALS['egw_info']['etemplate']['output_mode'] == 2) // we are in a popup { $target = '_blank'; } if (!$cell['help']) { $cell['help'] = $help; $cell['no_lang'] = 2; } } elseif (!$value['title']) { $cell = $tmpl->empty_cell(); $cell['readonly'] = True; // set it readonly to NOT call our post_process function return; } $cell['type'] = 'label'; // size: [b[old]][i[talic]],[link],[activate_links],[label_for],[link_target],[link_popup_size] list($cell['size']) = explode(',',$cell['size']); $cell['size'] .= ','.$link.',,,'.$target.','.$popup; $value = $value['title'] ? $value['title'] : $this->link->title($value['app'],$value['id']); return true; case 'link-string': $str = ''; if ($values['to_id'] && $values['to_app']) { $values = $this->link->get_links($values['to_app'],$values['to_id']); } if (is_array($value)) { foreach ($value as $link) { $options .= " onMouseOver=\"self.status='".addslashes($tmpl->html->htmlspecialchars($help))."'; return true;\""; $options .= " onMouseOut=\"self.status=''; return true;\""; if (($popup = $this->link->is_popup($link['app'],'view'))) { list($w,$h) = explode('x',$popup); $options = ' onclick="window.open(this,this.target,\'width='.(int)$w.',height='.(int)$h.',location=no,menubar=no,toolbar=no,scrollbars=yes,status=yes\'); return false;"'; } elseif ($GLOBALS['egw_info']['etemplate']['output_mode'] == 2) // we are in a popup { $options = ' target="_blank"'; } $str .= ($str !== '' ? ', ' : '') . $tmpl->html->a_href( $tmpl->html->htmlspecialchars($this->link->title($link['app'],$link['id'])), '/index.php',$this->link->view($link['app'],$link['id'],$link),$options); } } $cell['type'] = 'html'; $cell['readonly'] = True; // set it readonly to NOT call our post_process function $value = $str; return True; case 'link-add': $apps = $this->link->app_list($type == 'link-add' ? 'add' : ''); if (!$apps) // cant do an add without apps or already created entry { $cell = $tmpl->empty_cell(); return; } asort($apps); // sort them alphabetic $value['options-app'] = array(); foreach($apps as $app => $label) { $link = $GLOBALS['egw']->link('/index.php',$this->link->add($app,$value['to_app'],$value['to_id'])+ (is_array($value['extra']) ? $value['extra'] : array())); if (($popup = $this->link->is_popup($app,'add'))) { list($w,$h) = explode('x',$popup); $action = "window.open('$link','_blank','width=$w,height=$h,location=no,menubar=no,toolbar=no,scrollbars=yes,status=yes');"; } else { $action = "location.href = '$link';"; } $value['options-app'][$action] = $label; } $tpl =& new etemplate('etemplate.link_widget.add'); break; case 'link-to': $value['msg'] = ''; if ($value['button'] == 'search' && count($ids = $this->link->query($value['app'],$value['query']))) { $extension_data['app'] = $value['app']; $value = $extension_data; $value['options-id'] = $ids; $value['remark'] = ''; $tpl =& new etemplate('etemplate.link_widget.create'); if ($value['link_label']) { $tpl->set_cell_attribute('create','label',$value['link_label']); } } else { // error from search or upload $value['msg'] = $value['button'] == 'search' ? lang('Nothing found - try again !!!') : $extension_data['msg']; if (!$value['button']) { $extension_data = $value; } $value = array_merge($extension_data,$value); $value['options-app'] = $this->link->app_list(); asort($value['options-app']); // sort them alphabetic $tpl =& new etemplate('etemplate.link_widget.search'); if ($value['search_label']) { $tpl->set_cell_attribute('app','label',$value['search_label']); } $tpl->set_cell_attribute('comment','onchange',"set_style_by_class('*','hide_comment','display',this.checked ? 'block' : 'none');"); unset($value['comment']); } break; case 'link-list': $app = $value['to_app']; $id = isset($extension_data['to_id']) ? $extension_data['to_id'] : $value['to_id']; if ($this->debug) { echo "

link-list-widget[$name].preprocess: value="; _debug_array($value); } if (!isset($value['title'])) { $value['title'] = $this->link->title($app,$id); } $links = $this->link->get_links($app,$id); $value['anz_links'] = count($links); $extension_data = $value; if (!count($links)) { $cell = $tmpl->empty_cell(); $value = ''; return True; } $tpl =& new etemplate('etemplate.link_widget.list'); $tpl->data[0]['A'] = $tmpl->data[0]['A']; // set width of first col like the tmpl. calling us for($row=$tpl->rows-1; list(,$link) = each($links); ++$row) { $value[$row] = $link; $value[$row]['title'] = $this->link->title($link['app'],$link['id'],$link); if (!is_array($link['id'])) { $value[$row]['view'] = $this->link->view($link['app'],$link['id'],$link); if (!($value[$row]['popup'] = $this->link->is_popup($link['app'],'view')) && $GLOBALS['egw_info']['etemplate']['output_mode'] == 2) // we are in a popup { $value[$row]['target'] = '_blank'; // we create a new window as the linked page is no popup } } if ($link['app'] == $this->link->vfs_appname) { $value[$row]['label'] = 'Delete'; $value[$row]['help'] = lang('Delete this file'); } else { $value[$row]['label'] = 'Unlink'; $value[$row]['help'] = lang('Remove this link (not the entry itself)'); } } break; } $cell['size'] = $cell['name']; $cell['type'] = 'template'; $cell['name'] = $tpl->name; $cell['obj'] =& $tpl; // keep the editor away from the generated tmpls $tpl->no_onclick = true; if ($this->debug) { echo "

end: $type"."[$name]::pre_process: value ="; _debug_array($value); } return True; // extra Label is 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 "

link_widget::post_process('$name',value=".print_r($value,true).",ext=".print_r($extension_data,true).",$loop,,value_in=".print_r($value_in,true)."

\n"; $buttons = array('search','create','new','upload','attach'); while (!$button && list(,$bname) = each($buttons)) { $button = $value[$bname] ? $bname : ''; } if (is_array($value['unlink'])) { $button = 'unlink'; list($unlink) = @each($value['unlink']); } unset($value[$button]); unset($value['msg']); unset($extension_data['msg']); if (is_array($extension_data)) { $value = is_array($value) ? array_merge($extension_data,$value) : $extension_data; } if ($button && $this->debug) { echo "

start: link_widget[$name]::post_process: button='$button', unlink='$unlink', value ="; _debug_array($value); } switch ($button) { case 'create': if ($value['to_app']) // make the link { $link_id = $this->link->link($value['to_app'],$value['to_id'], $value['app'],$value['id'],$value['remark']); $value['remark'] = ''; if (isset($value['primary']) && !$value['anz_links'] ) { $value['primary'] = $link_id; } } // fall-trough case 'search': case 'new': $extension_data = $value; $loop = True; break; case 'attach': if (is_array($value['file']) && $value['to_app'] && !empty($value['file']['tmp_name']) && $value['file']['tmp_name'] != 'none') { if (!$value['to_id'] || is_array($value['to_id'])) // otherwise the webserver deletes the file { move_uploaded_file($value['file']['tmp_name'],$value['file']['tmp_name'].'+'); $value['file']['tmp_name'] .= '+'; } $link_id = $this->link->link($value['to_app'],$value['to_id'], $this->link->vfs_appname,$value['file'],$value['remark']); $value['remark'] = ''; if (isset($value['primary']) && !$value['anz_links'] ) { $value['primary'] = $link_id; } unset($value['file']); } else { $value['msg'] = 'You need to select a file first!'; } $extension_data = $value; $loop = True; break; case 'unlink': if ($this->debug) { //echo "

unlink(link-id=$unlink,$value[to_app],$value[to_id])

\n"; if (is_array($value['to_id'])) _debug_array($value['to_id']); } $this->link->unlink2($unlink,$value['to_app'],$value['to_id']); if (is_array($value['to_id'])) { $extension_data['to_id'] = $value['to_id']; // else changes from unlink get lost } $loop = True; break; } $value['button'] = $button; if ($this->debug) { echo "

end: link_widget[$name]::post_process: value ="; _debug_array($value); } return True; } }