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modernized and documented the hooks-class, phpgw_hooks --> egw_hooks

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This commit is contained in:
Ralf Becker 2005-11-13 06:58:38 +00:00
parent dafaf45680
commit 8a06c230c4
6 changed files with 133 additions and 118 deletions
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2
admin/inc/class.soapplications.inc.php
View File

@ -15,7 +15,7 @@
{
var $db;
var $applications_table = 'egw_applications';
var $hooks_table = 'phpgw_hooks';
var $hooks_table = 'egw_hooks';
function soapplications()
{

198
phpgwapi/inc/class.hooks.inc.php
View File

@ -1,47 +1,70 @@
<?php
/**************************************************************************\
* eGroupWare API - Hooks *
* This file written by Dan Kuykendall <seek3r@phpgroupware.org> *
* Allows applications to "hook" into each other *
* Copyright (C) 2000, 2001 Dan Kuykendall *
* -------------------------------------------------------------------------*
* This library is part of the eGroupWare API *
* http://www.egroupware.org/api *
* ------------------------------------------------------------------------ *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 of the License, *
* or any later version. *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
* See the GNU Lesser General Public License for more details. *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
\**************************************************************************/
/**************************************************************************\
* eGroupWare API - Hooks *
* This file written by Dan Kuykendall <seek3r@phpgroupware.org> *
* Allows applications to "hook" into each other *
* Copyright (C) 2000, 2001 Dan Kuykendall *
* New method hooks and docu are written by <RalfBecker@outdoor-training.de>*
* -------------------------------------------------------------------------*
* This library is part of the eGroupWare API *
* http://www.egroupware.org/api *
* ------------------------------------------------------------------------ *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 of the License, *
* or any later version. *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
* See the GNU Lesser General Public License for more details. *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
\**************************************************************************/
/* $Id$ */
/* $Id$ */
/*!
@class hooks
@abstract class which gives ability for applications to set and use hooks to communicate with each other
@author Dan Kuykendall
@copyright LGPL
@package phpgwapi
@access public
*/
/**
* class which gives ability for applications to set and use hooks to communicate with each other
*
* Hooks need to be declared in the app's setup.inc.php file and they have to be registered
* (copied into the database) by
* - installing or updating the app via setup or
* - running Admin >> register all hooks
* As the hooks-class can get cached in the session (session-type PHP_RESTORE), you also have to log
* out and in again, that your changes take effect.
*
* Hooks can either have two formats
* - new method hooks (prefered), which are methods of a class. You can pass parameters to the call and
* they can return values. They get declared in setup.inc.php as:
* $setup_info['appname']['hooks']['location'] = 'app.class.method';
* - old type, which are included files. Values can only be passed by global values and they cant return anything.
* Old declaration in setup.inc.php:
* $setup_info['appname']['hooks'][] = 'location';
*
* @author Dan Kuykendall
* @author Ralf Becker <RalfBecker@outdoor-training.de> new method hooks
* @license LGPL
* @package phpgwapi
* @access public
*/
class hooks
{
var $found_hooks = Array();
var $db = '';
var $db;
var $table = 'egw_hooks';
function hooks($db='')
/**
* constructor, reads and caches the complete hooks table
*
* @param object $db=null database class, if null we use $GLOBALS['egw']->db
*/
function hooks($db=null)
{
$this->db = $db ? $db : $GLOBALS['egw']->db; // this is to allow setup to set the db
$this->db->query("SELECT hook_appname, hook_location, hook_filename FROM phpgw_hooks",__LINE__,__FILE__);
$this->db->select($this->table,'hook_appname,hook_location,hook_filename',false,__LINE__,__FILE__);
while( $this->db->next_record() )
{
$this->found_hooks[$this->db->f('hook_appname')][$this->db->f('hook_location')] = $this->db->f('hook_filename');
@ -51,20 +74,19 @@
//echo '</pre>';
}
/*!
@function process
@abstract executes all the hooks (the user has rights to) for a given location
@syntax process($args,$order='',$no_permission_check = False)
@param $args location-name as string or array:
@param $args['location'] location-name
@param $order or $args['order'] array of appnames (as value), which should be executes first
@param $args is passed to the hook, if its a new method-hook
@param $no_permission_check if True execute all hooks, not only the ones a user has rights to
@note $no_permission_check should *ONLY* be used when it *HAS* to be. (jengo)
@returns array with results of each hook call (with appname as key): \
False if no hook exists, True if old hook exists \
and whatever the new method-hook returns (can be True or False too!).
*/
/**
* executes all the hooks (the user has rights to) for a given location
*
* @param string/array $args location-name as string or array with keys location, order and
* further data to be passed to the hook, if its a new method-hook
* @param array $order appnames (as value), which should be executes first
* @param boolean $no_permission_check if True execute all hooks, not only the ones a user has rights to
* $no_permission_check should *ONLY* be used when it *HAS* to be. (jengo)
* @return array with results of each hook call (with appname as key) and value:
* - False if no hook exists,
* - True if old hook exists and
* - whatever the new method-hook returns (can be True or False too!).
*/
function process($args, $order = '', $no_permission_check = False)
{
//echo "<p>hooks::process("; print_r($args); echo ")</p>\n";
@ -106,19 +128,17 @@
return $results;
}
/*!
@function single
@abstract executes a single hook of a given location and application
@syntax single($args,$appname='',$no_permission_check = False)
@param $args location-name as string or array:
@param $args['location'] location-name
@param $appname or $args['appname'] name of the app, which's hook to execute, if empty the current app is used
@param $args is passed to the hook, if its a new method-hook
@param $no_permission_check if True execute all hooks, not only the ones a user has rights to
@param $try_unregisterd If true, try to include old file-hook anyway (for setup)
@note $no_permission_check should *ONLY* be used when it *HAS* to be. (jengo)
@returns False if no hook exists, True if an old hook exist and whatever the new method-hook returns
*/
/**
* executes a single hook of a given location and application
*
* @param string/array $args location-name as string or array with keys location, appname and
* further data to be passed to the hook, if its a new method-hook
* @param string $appname name of the app, which's hook to execute, if empty the current app is used
* @param boolean $no_permission_check if True execute all hooks, not only the ones a user has rights to
* $no_permission_check should *ONLY* be used when it *HAS* to be. (jengo)
* @param boolean $try_unregisterd If true, try to include old file-hook anyway (for setup)
* @return mixed False if no hook exists, True if old hook exists and whatever the new method-hook returns (can be True or False too!).
*/
function single($args, $appname = '', $no_permission_check = False,$try_unregistered = False)
{
//echo "<p>hooks::single("; print_r($args); echo ",'$appname','$no_permission_check','$try_unregistered')</p>\n";
@ -170,10 +190,12 @@
}
}
/*!
@function count
@abstract loop through the applications and count the hooks
*/
/**
* loop through the applications and count the hooks
*
* @param string $location location-name
* @return int the number of found hooks
*/
function count($location)
{
$count = 0;
@ -187,10 +209,9 @@
return $count;
}
/*!
@function read()
@abstract currently not being used
*/
/**
* @deprecated currently not being used
*/
function read()
{
//if (!is_array($this->found_hooks))
@ -200,23 +221,24 @@
return $this->found_hooks;
}
/*!
@function register_hooks
@abstract Register and/or de-register an application's hooks
@syntax register_hooks($appname,$hooks='')
@param $appname Application 'name'
@param $hooks array with hooks to register, eg $setup_info[$app]['hooks'] or not used for only deregister the hooks
*/
function register_hooks($appname,$hooks='')
/**
* Register and/or de-register an application's hooks
*
* First all existing hooks of $appname get deleted in the db and then the given ones get registered.
*
* @param string $appname Application 'name'
* @param array $hooks=null hooks to register, eg $setup_info[$app]['hooks'] or not used for only deregister the hooks
* @return boolean false on error, true otherwise
*/
function register_hooks($appname,$hooks=null)
{
if(!$appname)
{
return False;
}
$db_appname = $this->db->db_addslashes($appname);
$this->db->query("DELETE FROM phpgw_hooks WHERE hook_appname='$db_appname'",__LINE__,__FILE__);
$this->db->delete($this->table,array('hook_appname' => $appname),__LINE__,__FILE__);
if (!is_array($hooks)) // only deregister
if (!is_array($hooks) || !count($hooks)) // only deregister
{
return True;
}
@ -233,17 +255,20 @@
$location = $hook;
$filename = "hook_$hook.inc.php";
}
$this->db->query("INSERT INTO phpgw_hooks (hook_appname,hook_location,hook_filename)".
" VALUES ('$appname','$location','$filename')");
$this->db->insert($this->table,array(
'hook_filename' => $filename,
),array(
'hook_appname' => $appname,
'hook_location' => $location,
),__LINE__,__FILE__);
}
return True;
}
/*!
@function register_all_hooks
@abstract Register the hooks of all applications (used by admin)
*/
/**
* Register the hooks of all applications (used by admin)
*/
function register_all_hooks()
{
$SEP = filesystem_separator();
@ -259,4 +284,3 @@
}
}
}
?>

24
phpgwapi/setup/setup.inc.php
View File

@ -13,8 +13,8 @@
/* Basic information about this app */
$setup_info['phpgwapi']['name'] = 'phpgwapi';
$setup_info['phpgwapi']['title'] = 'API';
$setup_info['phpgwapi']['version'] = '1.0.1.021';
$setup_info['phpgwapi']['title'] = 'eGroupWare API';
$setup_info['phpgwapi']['version'] = '1.0.1.022';
$setup_info['phpgwapi']['versions']['current_header'] = '1.28';
$setup_info['phpgwapi']['enable'] = 3;
$setup_info['phpgwapi']['app_order'] = 1;
@ -28,7 +28,7 @@
$setup_info['phpgwapi']['tables'][] = 'phpgw_sessions';
$setup_info['phpgwapi']['tables'][] = 'phpgw_app_sessions';
$setup_info['phpgwapi']['tables'][] = 'phpgw_access_log';
$setup_info['phpgwapi']['tables'][] = 'phpgw_hooks';
$setup_info['phpgwapi']['tables'][] = 'egw_hooks';
$setup_info['phpgwapi']['tables'][] = 'egw_languages';
$setup_info['phpgwapi']['tables'][] = 'egw_lang';
$setup_info['phpgwapi']['tables'][] = 'phpgw_nextid';
@ -55,8 +55,6 @@
$setup_info['phpgwapi']['tables'][] = 'egw_syncmlsummary';
$setup_info['phpgwapi']['tables'][] = 'egw_links';
/* Basic information about this app */
$setup_info['notifywindow']['name'] = 'notifywindow';
$setup_info['notifywindow']['title'] = 'Notify Window';
@ -65,19 +63,3 @@
$setup_info['notifywindow']['app_order'] = 1;
$setup_info['notifywindow']['tables'] = '';
$setup_info['notifywindow']['hooks'][] = 'home';

2
phpgwapi/setup/tables_current.inc.php
View File

@ -126,7 +126,7 @@
'ix' => array(),
'uc' => array()
),
'phpgw_hooks' => array(
'egw_hooks' => array(
'fd' => array(
'hook_id' => array('type' => 'auto','nullable' => False),
'hook_appname' => array('type' => 'varchar','precision' => '255'),

11
phpgwapi/setup/tables_update.inc.php
View File

@ -820,4 +820,15 @@
return $GLOBALS['setup_info']['phpgwapi']['currentver'] = '1.0.1.021';
}
$test[] = '1.0.1.021';
function phpgwapi_upgrade1_0_1_021()
{
$GLOBALS['egw_setup']->oProc->RenameTable('phpgw_hooks','egw_hooks');
$GLOBALS['egw_setup']->hooks_table = 'egw_hooks';
$GLOBALS['setup_info']['phpgwapi']['currentver'] = '1.0.1.022';
return $GLOBALS['setup_info']['phpgwapi']['currentver'];
}
?>

14
setup/inc/class.setup.inc.php
View File

@ -34,7 +34,7 @@
var $prefs_table = 'phpgw_preferences';
var $lang_table = 'egw_lang';
var $languages_table = 'egw_languages';
var $hooks_table = 'phpgw_hooks';
var $hooks_table = 'egw_hooks';
var $cats_table = 'egw_categories';
var $oProc;
@ -626,15 +626,14 @@
return False;
}
if($this->alessthanb($setup_info['phpgwapi']['currentver'],'0.9.8pre5') && ($setup_info['phpgwapi']['currentver'] != ''))
if(!$this->hooks_table) // No hooks table yet
{
/* No phpgw_hooks table yet. */
return False;
}
if (!is_object($this->hooks))
{
$this->hooks =& CreateObject('phpgwapi.hooks',$this->db);
$this->hooks =& CreateObject('phpgwapi.hooks',$this->db,$this->hooks_table);
}
$this->hooks->register_hooks($appname,$setup_info[$appname]['hooks']);
}
@ -656,9 +655,8 @@
*/
function deregister_hooks($appname)
{
if($this->alessthanb($setup_info['phpgwapi']['currentver'],'0.9.8pre5'))
if(!$this->hooks_table) // No hooks table yet
{
/* No phpgw_hooks table yet. */
return False;
}
@ -670,7 +668,7 @@
//echo "DELETING hooks for: " . $setup_info[$appname]['name'];
if (!is_object($this->hooks))
{
$this->hooks =& CreateObject('phpgwapi.hooks',$this->db);
$this->hooks =& CreateObject('phpgwapi.hooks',$this->db,$this->hooks_table);
}
$this->hooks->register_hooks($appname);
}
@ -685,7 +683,7 @@
{
if (!is_object($this->hooks))
{
$this->hooks =& CreateObject('phpgwapi.hooks',$this->db);
$this->hooks =& CreateObject('phpgwapi.hooks',$this->db,$this->hooks_table);
}
return $this->hooks->single($location,$appname,True,True);
}