egroupware/etemplate/inc/class.etemplate_widget_nextmatch.inc.php
2011-10-18 22:20:27 +00:00

637 lines
25 KiB
PHP

<?php
/**
* EGroupware - eTemplate serverside implementation of the nextmatch widget
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @subpackage api
* @link http://www.egroupware.org
* @author Ralf Becker <RalfBecker@outdoor-training.de>
* @copyright 2002-11 by RalfBecker@outdoor-training.de
* @version $Id$
*/
/**
* eTemplate serverside implementation of the nextmatch widget
*
* $content[$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
* 'cat_app' => // I application the cat's should be from, default app in get_rows
* 'cat_is_select' => // I true||'no_lang' use selectbox instead of category selection, default null
* '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
* 'lettersearch' => True// I show a lettersearch
* 'searchletter' => // I0 active letter of the lettersearch or false for [all]
* '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
* 'no_columnselection' => // I turns off the columnselection completly, turned on by default
* 'columnselection-pref' => // I name of the preference (plus 'nextmatch-' prefix), default = template-name
* 'default_cols' => // I columns to use if there's no user or default pref (! as first char uses all but the named columns), default all columns
* 'options-selectcols' => // I array with name/label pairs for the column-selection, this gets autodetected by default. A name => false suppresses a column completly.
* 'return' => // IO allows to return something from the get_rows function if $query is a var-param!
* 'csv_fields' => // I false=disable csv export, true or unset=enable it with auto-detected fieldnames or preferred importexport definition,
* array with name=>label or name=>array('label'=>label,'type'=>type) pairs (type is a eT widget-type)
* or name of import/export definition
* 'row_id' => // I key into row content to set it's value as tr id, eg. 'id'
* 'actions' => // I array with actions, see nextmatch_widget::egw_actions
* 'action_links' => // I array with enabled actions or ones which should be checked if they are enabled
* optional, default id of all first level actions plus the ones with enabled='javaScript:...'
* 'action_var' => 'action' // I name of var to return choosen action, default 'action'
* 'action' => // O string selected action
* 'selected' => // O array with selected id's
* 'checkboxes' => // O array with checkbox id as key and boolean checked value
* 'select_all' => // O boolean value of select_all checkbox, reference to above value for key 'select_all'
*/
class etemplate_widget_nextmatch extends etemplate_widget
{
public function __construct($xml='')
{
if($xml) {
parent::__construct($xml);
// TODO: probably a better way to do this
egw_framework::includeCSS('/phpgwapi/js/egw_action/test/skins/dhtmlxmenu_egw.css');
}
}
/**
* Legacy options
*/
protected $legacy_options = 'template';
/**
* Number of rows to send initially
*/
const INITIAL_ROWS = 25;
/**
* Set up what we know on the server side.
*
* Sending a first chunk of rows
*
* @param string $cname
*/
public function beforeSendToClient($cname)
{
$attrs = $this->attrs;
$form_name = self::form_name($cname, $this->id);
$value =& self::get_array(self::$request->content, $form_name, true);
$value['start'] = 0;
$value['num_rows'] = self::INITIAL_ROWS;
$value['rows'] = array();
$value['total'] = self::call_get_rows($value, $value['rows'], self::$request->readonlys);
// Send categories
if(!$value['no_cat'] && !$value['cat_is_select'])
{
$cat_app = $value['cat_app'] ? $value['cat_app'] : $GLOBALS['egw_info']['flags']['current_app'];
$value['options-cat_id'] = array('' => lang('all')) + etemplate_widget_menupopup::typeOptions('select-cat', ',,'.$cat_app,$no_lang,false,$value['cat_id']);
}
// todo: no need to store rows in request, it's enought to send them to client
error_log(__METHOD__."() $this: total=$value[total]");
//foreach($value['rows'] as $n => $row) error_log("$n: ".array2string($row));
// set up actions, but only if they are defined AND not already set up (run throught self::egw_actions())
if (isset($value['actions']) && !isset($value['actions'][0]))
{
$template_name = isset($value['template']) ? $value['template'] : $this->attrs['options'];
if (!is_array($value['action_links'])) $value['action_links'] = array();
$value['actions'] = self::egw_actions($value['actions'], $template_name, '', $value['action_links']);
}
}
/**
* Callback to fetch more rows
*
* @param string $exec_id identifys the etemplate request
* @param array $fetchList array of array with values for keys "startIdx" and "count"
* @param array $filters Search and filter parameters, passed to data source
* @param string full id of widget incl. all namespaces
* @return array with values for keys 'total', 'rows', 'readonlys'
*/
static public function ajax_get_rows($exec_id, $fetchList, $filters = array(), $form_name='nm')
{
error_log(__METHOD__."('".substr($exec_id,0,10)."...',".array2string($fetchList).','.array2string($filters).",'$form_name')");
self::$request = etemplate_request::read($exec_id);
$value = self::get_array(self::$request->content, $form_name, true);
$value = array_merge($value, $filters);
$result = array('rows' => array());
// Parse sort into something that get_rows functions are expecting: db_field in order, ASC/DESC in sort
if(is_array($value['sort']))
{
$value['order'] = $value['sort']['id'];
$value['sort'] = ($value['sort']['asc'] ? 'ASC' : 'DESC');
}
foreach ($fetchList as $entry)
{
$value['start'] = $entry['startIdx'];
$value['num_rows'] = $entry['count'];
$result['total'] = self::call_get_rows($value, $result['rows'], $result['readonlys']);
}
egw_json_response::get()->data($result);
}
/**
* Calling our callback
*
* Signature of get_rows callback is either:
* a) int get_rows($query,&$rows,&$readonlys)
* b) int get_rows(&$query,&$rows,&$readonlys)
*
* If get_rows is called static (and php >= 5.2.3), it is always b) independent on how it's defined!
*
* @param array &$value
* @param array &$rows on return: rows are indexed by their row-number: $value[start], ..., $value[start]+$value[num_rows]-1
* @param array &$readonlys=null
* @param object $obj=null (internal)
* @param string|array $method=null (internal)
* @return int|boolean total items found of false on error ($value['get_rows'] not callable)
*/
private static function call_get_rows(array &$value,array &$rows,array &$readonlys=null,$obj=null,$method=null)
{
if (is_null($method)) $method = $value['get_rows'];
if (is_null($obj))
{
// allow static callbacks
if(strpos($method,'::') !== false)
{
list($class,$method) = explode('::',$method);
// workaround for php < 5.2.3: do NOT call it static, but allow application code to specify static callbacks
if (version_compare(PHP_VERSION,'5.2.3','>='))
{
$method = array($class,$method);
unset($class);
}
}
else
{
list($app,$class,$method) = explode('.',$value['get_rows']);
}
if ($class)
{
if (!$app && !is_object($GLOBALS[$class]))
{
$GLOBALS[$class] = new $class();
}
if (is_object($GLOBALS[$class])) // use existing instance (put there by a previous CreateObject)
{
$obj = $GLOBALS[$class];
}
else
{
$obj = CreateObject($app.'.'.$class);
}
}
}
if (!is_array($readonlys)) $readonlys = array();
if(is_callable($method)) // php5.2.3+ static call (value is always a var param!)
{
$total = call_user_func_array($method,array(&$value,&$raw_rows,&$readonlys));
}
elseif(is_object($obj) && method_exists($obj,$method))
{
$total = $obj->$method($value,$raw_rows,$readonlys);
}
else
{
$total = false; // method not callable
}
/* no automatic fallback to start=0
if ($method && $total && $value['start'] >= $total)
{
$value['start'] = 0;
$total = self::call_get_rows($value,$rows,$readonlys,$obj,$method);
}
*/
// otherwise we might get stoped by max_excutiontime
if ($total > 200) @set_time_limit(0);
// remove empty rows required by old etemplate to compensate for header rows
$first = null;
foreach($raw_rows as $n => $row)
{
// skip empty rows inserted for each header-line in old etemplate
if (is_int($n) && is_array($rows))
{
if (is_null($first)) $first = $n;
$rows[$n-$first+$value['start']] = $row;
}
elseif(!is_null($first)) // rows with string-keys, after numeric rows
{
$rows[$n] = $row;
}
}
//error_log($value['get_rows'].'() returning '.array2string($total).', method = '.array2string($method).', value = '.array2string($value));
return $total;
}
/**
* Default maximum lenght for context submenus, longer menus are put as a "More" submenu
*/
const DEFAULT_MAX_MENU_LENGTH = 14;
/**
* Return egw_actions
*
* The following attributes are understood for actions on eTemplate/PHP side:
* - string 'id' id of the action (set as key not attribute!)
* - string 'caption' name/label or action, get's automatic translated
* - boolean 'no_lang' do NOT translate caption, default false
* - string 'icon' icon, eg. 'edit' or 'infolog/task', if no app given app of template or API is used
* - string 'iconUrl' full url of icon, better use 'icon'
* - boolean|string 'allowOnMultiple' should action be shown if multiple lines are marked, or string 'only', default true!
* - boolean|string 'enabled' is action available, or string with javascript function to call, default true!
* - string 'disableClass' class name to use with enabled='javaScript:nm_not_disableClass'
* (add that css class in get_rows(), if row lacks rights for an action)
* - boolena 'hideOnDisabled' hide disabled actions, default false
* - string 'type' type of action, default 'popup' for contenxt menus, 'drag' or 'drop'
* - boolean 'default' is that action the default action, default false
* - array 'children' array with actions of submenu
* - int 'group' to group items, default all actions are in one group
* - string 'onExecute' javascript to run, default 'javaScript:nm_action',
* which runs action specified in nm_action attribute:
* - string 'nm_action'
* + 'alert' debug action, shows alert with action caption, id and id's of selected rows
* + 'submit' default action, sets nm[action], nm[selected] and nm[select_all]
* + 'location' redirects / set location.href to 'url' attribute
* + 'popup' opens popup with url given in 'url' attribute
* - string 'url' url for location or popup
* - string 'target' target for location or popup
* - string 'width' for popup
* - string 'height' for popup
* - string 'confirm' confirmation message
* - string 'confirm_multiple' confirmation message for multiple selected, defaults to 'confirm'
*
* That's what we should return looks JSON encoded like
* [
* {
* "id": "folder_open",
* "iconUrl": "imgs/folder.png",
* "caption": "Open folder",
* "onExecute": "javaScript:nm_action",
* "allowOnMultiple": false,
* "type": "popup",
* "default": true
* },
* ]
*
* @param array $actions id indexed array of actions / array with valus for keys: 'iconUrl', 'caption', 'onExecute', ...
* @param string $template_name='' name of the template, used as default for app name of images
* @param string $prefix='' prefix for ids
* @param array &$action_links=array() on return all first-level actions plus the ones with enabled='javaScript:...'
* @param int $max_length=self::DEFAULT_MAX_MENU_LENGTH automatic pagination, not for first menu level!
* @param array $default_attrs=null default attributes
* @return array
*/
public static function egw_actions(array $actions=null, $template_name='', $prefix='', array &$action_links=array(),
$max_length=self::DEFAULT_MAX_MENU_LENGTH, array $default_attrs=null)
{
//echo "<p>".__METHOD__."(\$actions, '$template_name', '$prefix', \$action_links, $max_length) \$actions="; _debug_array($actions);
// default icons for some common actions
static $default_icons = array(
'view' => 'view',
'edit' => 'edit',
'open' => 'edit', // does edit if possible, otherwise view
'add' => 'new',
'new' => 'new',
'delete' => 'delete',
'cat' => 'attach', // add as category icon to api
'document' => 'etemplate/merge',
'print'=> 'print',
'copy' => 'copy',
'move' => 'move',
'cut' => 'cut',
'paste'=> 'editpaste',
);
$first_level = !$action_links; // add all first level actions
//echo "actions="; _debug_array($actions);
$egw_actions = array();
$n = 1;
foreach((array)$actions as $id => $action)
{
// in case it's only selectbox id => label pairs
if (!is_array($action)) $action = array('caption' => $action);
if ($default_attrs) $action += $default_attrs;
if (!$first_level && $n == $max_length && count($actions) > $max_length)
{
$id = 'more_'.count($actions); // we need a new unique id
$action = array(
'caption' => 'More',
'prefix' => $prefix,
// display rest of actions incl. current one as children
'children' => array_slice($actions, $max_length-1, count($actions)-$max_length+1, true),
);
//echo "*** Inserting id=$prefix$id"; _debug_array($action);
// we break at end of foreach loop, as rest of actions is already dealt with
// by putting them as children
}
$action['id'] = $prefix.$id;
// set certain enable functions
foreach(array(
'enableClass' => 'javaScript:nm_enableClass',
'disableClass' => 'javaScript:nm_not_disableClass',
'enableId' => 'javaScript:nm_enableId',
) as $attr => $check)
{
if (isset($action[$attr]) && !isset($action['enabled']))
{
$action['enabled'] = $check;
}
}
// add all first level popup actions plus ones with enabled = 'javaScript:...' to action_links
if ((!isset($action['type']) || in_array($action['type'],array('popup','drag'))) && // popup is the default
($first_level || substr($action['enabled'],0,11) == 'javaScript:'))
{
$action_links[] = $action['id'];
}
// set default icon, if no other is specified
if (!isset($action['icon']) && isset($default_icons[$id]))
{
$action['icon'] = $default_icons[$id];
}
// use common eTemplate image semantics
if (!isset($action['iconUrl']) && !empty($action['icon']))
{
list($app,$img) = explode('/',$action['icon'],2);
if (!$app || !$img || !is_dir(EGW_SERVER_ROOT.'/'.$app) || strpos($img,'/')!==false)
{
$img = $action['icon'];
list($app) = explode('.', $template_name);
}
$action['iconUrl'] = common::find_image($app, $img);
unset($action['icon']); // no need to submit it
}
// translate labels
if (!$action['no_lang'])
{
$action['caption'] = lang($action['caption']);
if ($action['hint']) $action['hint'] = lang($action['hint']);
}
unset($action['no_lang']);
foreach(array('confirm','confirm_multiple') as $confirm)
{
if (isset($action[$confirm]))
{
$action[$confirm] = lang($action[$confirm]).(substr($action[$confirm],-1) != '?' ? '?' : '');
}
}
// add sub-menues
if ($action['children'])
{
static $inherit_attrs = array('url','popup','nm_action','onExecute','type','egw_open','allowOnMultiple','confirm','confirm_multiple');
$action['children'] = self::egw_actions($action['children'], $template_name, $action['prefix'], $action_links, $max_length,
array_intersect_key($action, array_flip($inherit_attrs)));
unset($action['prefix']);
$action = array_diff_key($action, array_flip($inherit_attrs));
}
// link or popup action
if ($action['url'])
{
$action['url'] = egw::link('/index.php',str_replace('$action',$id,$action['url']));
if ($action['popup'])
{
list($action['data']['width'],$action['data']['height']) = explode('x',$action['popup']);
unset($action['popup']);
$action['data']['nm_action'] = 'popup';
}
else
{
$action['data']['nm_action'] = 'location';
}
}
if ($action['egw_open'])
{
$action['data']['nm_action'] = 'egw_open';
}
// give all delete actions a delete shortcut
if ($id === 'delete' && !isset($action['shortcut']))
{
$action['shortcut'] = egw_keymanager::shortcut(egw_keymanager::DELETE);
}
static $egw_action_supported = array( // attributes supported by egw_action
'id','caption','iconUrl','type','default','onExecute','group',
'enabled','allowOnMultiple','hideOnDisabled','data','children',
'hint','checkbox','checked','radioGroup','acceptedTypes','dragType',
'shortcut'
);
// add all not egw_action supported attributes to data
$action['data'] = array_merge(array_diff_key($action, array_flip($egw_action_supported)),(array)$action['data']);
if (!$action['data']) unset($action['data']);
// only add egw_action attributes
$egw_actions[] = array_intersect_key($action, array_flip($egw_action_supported));
if (!$first_level && $n++ == $max_length) break;
}
//echo "egw_actions="; _debug_array($egw_actions);
return $egw_actions;
}
/**
* Action with submenu for categories
*
* Automatic switch to hierarchical display, if more then $max_cats_flat=14 cats found.
*
* @param string $app
* @param int $group=0 see self::egw_actions
* @param string $caption='Change category'
* @param string $prefix='cat_' prefix category id to get action id
* @param boolean $globals=true application global categories too
* @param int $parent_id=0 only returns cats of a certain parent
* @param int $max_cats_flat=self::DEFAULT_MAX_MENU_LENGTH use hierarchical display if more cats
* @return array like self::egw_actions
*/
public static function category_action($app, $group=0, $caption='Change category',
$prefix='cat_', $globals=true, $parent_id=0, $max_cats_flat=self::DEFAULT_MAX_MENU_LENGTH)
{
$cat = new categories(null,$app);
$cats = $cat->return_sorted_array($start=0, $limit=false, $query='', $sort='ASC', $order='cat_name', $globals, $parent_id, $unserialize_data=true);
// if more then max_length cats, switch automatically to hierarchical display
if (count($cats) > $max_cats_flat)
{
$cat_actions = self::category_hierarchy($cats, $prefix, $parent_id);
}
else // flat, indented categories
{
$cat_actions = array();
foreach((array)$cats as $cat)
{
$name = str_repeat('&nbsp;',2*$cat['level']) . stripslashes($cat['name']);
if (categories::is_global($cat)) $name .= ' &#9830;';
$cat_actions[$cat['id']] = array(
'caption' => $name,
'no_lang' => true,
);
// add category icon
if ($cat['data']['icon'] && file_exists(EGW_SERVER_ROOT.'/phpgwapi/images/'.basename($cat['data']['icon'])))
{
$cat_actions[$cat['id']]['iconUrl'] = $GLOBALS['egw_info']['server']['webserver_url'].'/phpgwapi/images/'.$cat['data']['icon'];
}
}
}
return array(
'caption' => $caption,
'children' => $cat_actions,
'enabled' => (boolean)$cat_actions,
'group' => $group,
'prefix' => $prefix,
);
}
/**
* Return one level of the category hierarchy
*
* @param array $cats=null all cats if already read
* @param string $prefix='cat_' prefix category id to get action id
* @param int $parent_id=0 only returns cats of a certain parent
* @return array
*/
private static function category_hierarchy(array $cats, $prefix, $parent_id=0)
{
$cat_actions = array();
foreach($cats as $key => $cat)
{
// current hierarchy level
if ($cat['parent'] == $parent_id)
{
$name = stripslashes($cat['name']);
if (categories::is_global($cat)) $name .= ' &#9830;';
$cat_actions[$cat['id']] = array(
'caption' => $name,
'no_lang' => true,
'prefix' => $prefix,
);
// add category icon
if ($cat['data']['icon'] && file_exists(EGW_SERVER_ROOT.'/phpgwapi/images/'.basename($cat['data']['icon'])))
{
$cat_actions[$cat['id']]['iconUrl'] = $GLOBALS['egw_info']['server']['webserver_url'].'/phpgwapi/images/'.$cat['data']['icon'];
}
unset($cats[$key]);
}
// direct children
elseif(isset($cat_actions[$cat['parent']]))
{
$cat_actions['sub_'.$cat['parent']] = $cat_actions[$cat['parent']];
// have to add category itself to children, to be able to select it!
$cat_actions[$cat['parent']]['group'] = -1; // own group on top
$cat_actions['sub_'.$cat['parent']]['children'] = array(
$cat['parent'] => $cat_actions[$cat['parent']],
)+self::category_hierarchy($cats, $prefix, $cat['parent']);
unset($cat_actions[$cat['parent']]);
}
}
return $cat_actions;
}
/**
* Validate input
*
* Following attributes get checked:
* - needed: value must NOT be empty
* - min, max: int and float widget only
* - maxlength: maximum length of string (longer strings get truncated to allowed size)
* - preg: perl regular expression incl. delimiters (set by default for int, float and colorpicker)
* - int and float get casted to their type
*
* @param string $cname current namespace
* @param array $content
* @param array &$validated=array() validated content
*/
public function validate($cname, array $content, &$validated=array())
{
$form_name = self::form_name($cname, $this->id);
$value = self::get_array($content, $form_name);
// Save current column settings as default (admins only)
if($value['as_default'])
{
unset($value['as_default']);
list($app) = explode('.',$this->attrs['template']);
if($GLOBALS['egw_info']['user']['apps']['admin'] && $app)
{
$pref_name = 'nextmatch-' . (isset($value['columnselection_pref']) ? $value['columnselection_pref'] : $this->attrs['template'].'-details');
// Columns already saved to user's preferences, use from there
$cols = $GLOBALS['egw']->preferences->read();
$cols = $cols[$app][$pref_name];
$GLOBALS['egw']->preferences->add($app,$pref_name,is_array($cols) ? implode(',',$cols) : $cols,'default');
$GLOBALS['egw']->preferences->save_repository(false,'default');
}
}
$validated = $value;
}
/**
* Run a given method on all children
*
* Reimplemented to add namespace, and make sure row template gets included
*
* @param string $method_name
* @param array $params=array('') parameter(s) first parameter has to be cname!
* @param boolean $respect_disabled=false false (default): ignore disabled, true: method is NOT run for disabled widgets AND their children
*/
public function run($method_name, $params=array(''), $respect_disabled=false)
{
$cname =& $params[0];
// Need this check or the headers will get involved too
if($this->type == 'nextmatch') {
parent::run($method_name, $params, $respect_disabled);
if ($this->id) $cname = self::form_name($cname, $this->id);
if($this->attrs['template'])
{
$row_template = etemplate_widget_template::instance($this->attrs['template']);
$row_template->run($method_name, $params, $respect_disabled);
}
}
}
}
// Registration needs to go here, otherwise customfields won't be loaded until some other cf shows up
etemplate_widget::registerWidget('etemplate_widget_customfields', array('nextmatch-customfields'));