* * -------------------------------------------- * * This program is free software; you can redistribute it and/or modify it * * under the terms of the GNU General Public License as published by the * * Free Software Foundation; either version 2 of the License, or (at your * * option) any later version. * \**************************************************************************/ /* $Id$ */ /** * eTemplate Extension: Widget that show only a certain number of data-rows and allows to modifiy the rows shown (scroll). * * This widget replaces the old nextmatch-class. It is independent of the UI, * as it only uses etemplate-widgets and has therefor no render-function * * $content[$id] = array( // I = value set by the app, 0 = value on return / output * 'get_rows' => // I method/callback to request the data for the rows eg. 'notes.bo.get_rows' * 'filter_label' => // I label for filter (optional) * 'filter_help' => // I help-msg for filter (optional) * 'no_filter' => True// I disable the 1. filter * 'no_filter2' => True// I disable the 2. filter (params are the same as for filter) * 'no_cat' => True// I disable the cat-selectbox * 'template' => // I template to use for the rows, if not set via options * 'header_left' => // I template to show left of the range-value, left-aligned (optional) * 'header_right' => // I template to show right of the range-value, right-aligned (optional) * 'bottom_too' => True// I show the nextmatch-line (arrows, filters, search, ...) again after the rows * 'never_hide' => True// I never hide the nextmatch-line if less then maxmatch entries * 'start' => // IO position in list * 'num_rows' => // IO number of rows to show, defaults to maxmatches from the general prefs * 'cat_id' => // IO category, if not 'no_cat' => True * 'search' => // IO search pattern * 'order' => // IO name of the column to sort after (optional for the sortheaders) * 'sort' => // IO direction of the sort: 'ASC' or 'DESC' * 'col_filter' => // IO array of column-name value pairs (optional for the filterheaders) * 'filter' => // IO filter, if not 'no_filter' => True * 'filter_no_lang' => True// I set no_lang for filter (=dont translate the options) * 'filter_onchange'=> 'this.form.submit();' // I onChange action for filter, default: this.form.submit(); * 'filter2' => // IO filter2, if not 'no_filter2' => True * 'filter2_no_lang'=> True// I set no_lang for filter2 (=dont translate the options) * 'filter2_onchange'=> 'this.form.submit();' // I onChange action for filter2, default: this.form.submit(); * 'rows' => // O content set by callback * 'total' => // O the total number of entries * 'sel_options' => // O additional or changed sel_options set by the callback and merged into $tmpl->sel_options * ); * @package etemplate * @subpackage extensions * @author RalfBecker-AT-outdoor-training.de * @license GPL */ class nextmatch_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( 'nextmatch' => 'Nextmatch', 'nextmatch-sortheader' => 'Nextmatch Sortheader', 'nextmatch-filterheader' => 'Nextmatch Filterheader', 'nextmatch-accountfilter' => 'Nextmatch Accountfilter', ); /** * Constructor of the extension * * @param string $ui '' for html */ function nextmatch_widget($ui) { } /** * returns last part of a form-name * @internal */ function last_part($name) { $parts = explode('[',str_replace(']','',$name)); return $parts[count($parts)-1]; } /** * 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) { $nm_global = &$GLOBALS['egw_info']['etemplate']['nextmatch']; //echo "

nextmatch_widget.pre_process(name='$name',type='$cell[type]'): value = "; _debug_array($value); //echo "

nextmatch_widget.pre_process(name='$name',type='$cell[type]'): nm_global = "; _debug_array($nm_global); $extension_data = array( 'type' => $cell['type'] ); switch ($cell['type']) { case 'nextmatch-sortheader': // Option: default sort: ASC(default) or DESC $extension_data['default_sort'] = preg_match('/^(ASC|DESC)$/i',$cell['size']) ? strtoupper($cell['size']) : 'ASC'; $cell['type'] = 'button'; $cell['onchange'] = True; if (!$cell['help']) { $cell['help'] = 'click to order after that criteria'; } if ($this->last_part($name) == $nm_global['order']) // we're the active column { $cell[1] = $cell; $cell[1]['span'] .= ',activ_sortcolumn'; unset($cell[1]['align']); $cell[2] = $tmpl->empty_cell('image',$nm_global['sort'] != 'DESC' ? 'down' : 'up'); $cell['type'] = 'hbox'; $cell['size'] = '2,0,0'; $cell['name'] = $cell['label'] = ''; } else { $cell['span'] .= ',inactiv_sortcolumn'; } return True; case 'nextmatch-filterheader': // Option: as for selectbox: [extra-label(default ALL)[,#lines(default 1)]] $cell['type'] = 'select'; if (!$cell['size']) { $cell['size'] = 'All'; } if (!$cell['help']) { $cell['help'] = 'select which values to show'; } $cell['onchange'] = $cell['noprint'] = True; $extension_data['old_value'] = $value = $nm_global['col_filter'][$this->last_part($name)]; return True; case 'nextmatch-accountfilter': // Option: as for selectbox: [extra-label(default ALL)[,#lines(default 1)]] $cell['type'] = 'select-account'; $cell['name'] .= '[account]'; if (!$cell['size']) { $cell['size'] = 'All'; } if (!$cell['help']) { $cell['help'] = 'select which accounts to show'; } $cell['onchange'] = $cell['noprint'] = True; $extension_data['old_value'] = $value = $nm_global['col_filter'][$this->last_part($name)]; return True; } if (!$value['filter_onchange']) $value['filter_onchange'] = 'this.form.submit();'; if (!$value['filter2_onchange']) $value['filter2_onchange'] = 'this.form.submit();'; // presetting the selectboxes with their default values, to NOT loop, because post-process thinks they changed if (!isset($value['cat_id'])) $value['cat_id'] = ''; if (!isset($value['search'])) $value['search'] = ''; foreach(array('filter','filter2') as $f) { if (!isset($value[$f])) { list($value[$f]) = isset($tmpl->sel_options[$f]) ? @each($tmpl->sel_options[$f]) : @each($value['options-'.$f]); if (!is_string($value[$f])) $value[$f] = (string) $value[$f]; } } list($app,$class,$method) = explode('.',$value['get_rows']); if ($app && $class) { if (is_object($GLOBALS[$class])) // use existing instance (put there by a previous CreateObject) { $obj =& $GLOBALS[$class]; } else { $obj =& CreateObject($app.'.'.$class); } } $max = $GLOBALS['egw_info']['user']['preferences']['common']['maxmatchs']; $row_options = array(); foreach(array(5,12,25,50,100,200,500,999) as $n) { if ($n-5 <= $max && $max <= $n+5) $n = $max; $row_options[$n] = $n; } if (!isset($row_options[$max])) { $row_options[$max] = $max; ksort($row_options); } $value['options-num_rows'] =& $row_options; if (!isset($value['num_rows'])) $value['num_rows'] = $max; if ($value['num_rows'] != $max) { $GLOBALS['egw_info']['user']['preferences']['common']['maxmatchs'] = $max = $value['num_rows']; } if (!is_object($obj) || !method_exists($obj,$method)) { $GLOBALS['egw_info']['etemplate']['validation_errors'][$name] = "nextmatch_widget::pre_process($cell[name]): '$value[get_rows]' is no valid method !!!"; } else { $total = $value['total'] = $obj->$method($value,$value['rows'],$readonlys['rows']); // allow the get_rows function to override / set sel_options if (isset($value['rows']['sel_options']) && is_array($value['rows']['sel_options'])) { $tmpl->sel_options = array_merge($tmpl->sel_options,$value['rows']['sel_options']); unset($value['rows']['sel_options']); } } if ($value['start'] > $total) { $value['start'] = 0; $total = $obj->$method($value,$value['rows'],$readonlys['rows']); } if (is_array($value['rows'][0])) // fixed 0 based arrays { array_unshift($value['rows'],false); } list($template,$options) = explode(',',$cell['size']); if ($template) // template name can be supplied either in $value['template'] or the options-field { $value['template'] = $template; } if (!is_object($value['template'])) { $value['template'] =& new etemplate($value['template'],$tmpl->as_array()); } if ($total < 1 && $value['template']->rows > 1) { $value['template']->data[0]['h'.$value['template']->rows] .= ',1'; // disable the last data row } if (!$value['never_hide'] && $total <= $max && $options && $value['search'] == '' && ($value['no_cat'] || !$value['cat_id']) && ($value['no_filter'] || !$value['filter'] || $value['filter'] == 'none') && ($value['no_filter2'] || !$value['filter2'] || $value['filter2'] == 'none')) { // disable whole nextmatch line if no scrolling necessary if ($value['header_left'] || $value['header_right']) { $nextmatch =& new etemplate('etemplate.nextmatch_widget.header_only'); $cell['size'] = $cell['name']; $cell['obj'] = &$nextmatch; $cell['name'] = $nextmatch->name; } else { $cell['size'] = $cell['name'].'[rows]'; $cell['obj'] = &$value['template']; $cell['name'] = $value['template']->name; } } else { $nextmatch =& new etemplate('etemplate.nextmatch_widget'); // keep the editor away from the generated tmpls $nextmatch->no_onclick = true; if(isset($value['no_search'])) $value['no_start_search'] = $value['no_search']; foreach(array('no_cat'=>'cat_id','no_filter'=>'filter','no_filter2'=>'filter2', 'no_search' => 'search', 'no_start_search' => 'start_search' ) as $val_name => $cell_name) { if (isset($value[$val_name])) $nextmatch->disable_cells($cell_name,$value[$val_name]); } foreach(array('header_left','header_right') as $name) { if (!$value[$name]) $nextmatch->disable_cells('@'.$name); } foreach(array('filter','filter2') as $cell_name) { if (isset($value[$cell_name.'_no_lang'])) $nextmatch->set_cell_attribute($cell_name,'no_lang',$value[$cell_name.'_no_lang']); } $start = $value['start']; $end = $start+$max > $total ? $total : $start+$max; $value['range'] = $total ? (1+$start) . ' - ' . $end : '0'; $nextmatch->set_cell_attribute('first','readonly',$start <= 0); $nextmatch->set_cell_attribute('left', 'readonly',$start <= 0); $nextmatch->set_cell_attribute('right','readonly',$start+$max >= $total); $nextmatch->set_cell_attribute('last', 'readonly',$start+$max >= $total); $cell['size'] = $cell['name']; $cell['obj'] = &$nextmatch; $cell['name'] = $nextmatch->name; } $cell['type'] = 'template'; $cell['label'] = $cell['help'] = ''; // save values in persistent extension_data to be able use it in post_process $extension_data += $value; foreach(array('sort','order','col_filter') as $n) // save them for the sortheader { $nm_global[$n] = $value[$n]; } $value['bottom'] = $value; // copy the values for the bottom-bar return False; // NO extra Label } /** * 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) { $nm_global = &$GLOBALS['egw_info']['etemplate']['nextmatch']; //echo "

nextmatch_widget.post_process(type='$extension_data[type]', name='$name',value_in='$value_in',order='$nm_global[order]'): value = "; _debug_array($value); switch($extension_data['type']) { case 'nextmatch-sortheader': if ($value_in) { $nm_global['order'] = $this->last_part($name); $nm_global['default_sort'] = $extension_data['default_sort']; } return False; // dont report value back, as it's in the wrong location (rows) case 'select-account': // used by nextmatch-accountfilter case 'nextmatch-filterheader': if ($value_in != $extension_data['old_value'] && !(!$value_in && !$extension_data['old_value'])) { //echo "

setting nm_global[filter][".$this->last_part($name)."]='$value_in' (was '$extension_data[old_value]')

\n"; $nm_global['filter'][$this->last_part($name)] = $value_in; } return False; // dont report value back, as it's in the wrong location (rows) } $old_value = $extension_data; $value['start'] = $old_value['start']; // need to be set, to be reported back if (is_array($value['bottom'])) // we have a second bottom-bar { $inputs = array('search','cat_id','filter','filter2','num_rows'); foreach($inputs as $name) { if (isset($value['bottom'][$name]) && $value[$name] == $old_value[$name]) { //echo "value[$name] overwritten by bottom-value[$name]='".$value['bottom'][$name]."', old_value[$name]='".$old_value[$name]."'
\n"; $value[$name] = $value['bottom'][$name]; } } $buttons = array('start_search','first','left','right','last'); foreach($buttons as $name) { if (isset($value['bottom'][$name]) && $value['bottom'][$name]) { $value[$name] = $value['bottom'][$name]; } } unset($value['bottom']); } if (isset($old_value['num_rows']) && !is_null($value['num_rows']) && $value['num_rows'] != $old_value['num_rows']) { $loop = true; // num_rows changed } $max = $value['num_rows'] ? $value['num_rows'] : $GLOBALS['egw_info']['user']['preferences']['common']['maxmatchs']; if ($value['start_search'] || $value['search'] != $old_value['search'] || isset($value['cat_id']) && $value['cat_id'] != $old_value['cat_id'] || isset($value['filter']) && $value['filter'] != $old_value['filter'] || isset($value['filter2']) && $value['filter2'] != $old_value['filter2']) { //echo "

search='$old_value[search]'->'$value[search]', filter='$old_value[filter]'->'$value[filter]', filter2='$old_value[filter2]'->'$value[filter2]'
"; //echo "new filter --> loop

"; //echo "value ="; _debug_array($value); //echo "old_value ="; _debug_array($old_value); $loop = True; } elseif ($value['first'] || $value['left'] && $old_value['start'] < $max) { $value['start'] = 0; unset($value['first']); $loop = True; } elseif ($value['left']) { $value['start'] = $old_value['start'] - $max; unset($value['left']); $loop = True; } elseif ($value['right']) { $value['start'] = $old_value['start'] + $max; unset($value['right']); $loop = True; } elseif ($value['last']) { $value['start'] = (int) (($old_value['total']-2) / $max) * $max; unset($value['last']); $loop = True; } elseif ($nm_global['order']) { $value['order'] = $nm_global['order']; if ($old_value['order'] != $value['order']) { $value['sort'] = $nm_global['default_sort']; } else { $value['sort'] = $old_value['sort'] != 'DESC' ? 'DESC' : 'ASC'; } //echo "

old_value=$old_value[order]/$old_value[sort] ==> $value[order]/$value[sort]

\n"; $loop = True; } elseif ($nm_global['filter']) { if (!is_array($value['col_filter'])) $value['col_filter'] = array(); $value['col_filter'] += $nm_global['filter']; $loop = True; } return True; } }