+++ /dev/null
-<?php
- /*
- * Nucleus: PHP/MySQL Weblog CMS (http://nucleuscms.org/)
- * Copyright (C) 2002-2011 The Nucleus Group
- *
- * 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.
- * (see nucleus/documentation/index.html#license for more info)
- */
- /**
- * This is an (abstract) class of which all Nucleus Plugins must inherit
- *
- * for more information on plugins and how to write your own, see the
- * plugins.html file that is included with the Nucleus documenation
- *
- * @license http://nucleuscms.org/license.txt GNU General Public License
- * @copyright Copyright (C) 2002-2011 The Nucleus Group
- * @version $Id$
- * $NucleusJP: PLUGIN.php,v 1.12.2.3 2007/12/03 02:22:42 kmorimatsu Exp $
- */
- class NucleusPlugin {
-
- // these functions _have_ to be redefined in your plugin
-
- function getName() { return 'Undefined'; }
- function getAuthor() { return 'Undefined'; }
- function getURL() { return 'Undefined'; }
- function getVersion() { return '0.0'; }
- function getDescription() { return 'Undefined';}
-
- // these function _may_ be redefined in your plugin
-
- function getMinNucleusVersion() { return 150; }
- function getMinNucleusPatchLevel() { return 0; }
- function getEventList() { return array(); }
- function getTableList() { return array(); }
- function hasAdminArea() { return 0; }
-
- function install() {}
- function unInstall() {}
-
- function init() {}
-
- function doSkinVar($skinType) {}
- function doTemplateVar(&$item) {
- $args = func_get_args();
- array_shift($args);
- array_unshift($args, 'template');
- call_user_func_array(array(&$this,'doSkinVar'),$args);
- }
- function doTemplateCommentsVar(&$item, &$comment) {
- $args = func_get_args();
- array_shift($args);
- array_shift($args);
- array_unshift($args, 'template');
- call_user_func_array(array(&$this,'doSkinVar'),$args);
- }
- function doAction($type) { return _ERROR_PLUGIN_NOSUCHACTION; }
- function doIf($key,$value) { return false; }
- function doItemVar (&$item) {}
-
- /**
- * Checks if a plugin supports a certain feature.
- *
- * @returns 1 if the feature is reported, 0 if not
- * @param $feature
- * Name of the feature. See plugin documentation for more info
- * 'SqlTablePrefix' -> if the plugin uses the sql_table() method to get table names
- * 'HelpPage' -> if the plugin provides a helppage
- * 'SqlApi' -> if the plugin uses the complete sql_* api (must also require nucleuscms 3.5)
- */
- function supportsFeature($feature) {
- return 0;
- }
-
- /**
- * Report a list of plugin that is required to function
- *
- * @returns an array of names of plugin, an empty array indicates no dependency
- */
- function getPluginDep() { return array(); }
-
- // these helper functions should not be redefined in your plugin
-
- /**
- * Creates a new option for this plugin
- *
- * @param name
- * A string uniquely identifying your option. (max. length is 20 characters)
- * @param description
- * A description that will show up in the nucleus admin area (max. length: 255 characters)
- * @param type
- * Either 'text', 'yesno' or 'password'
- * This info is used when showing 'edit plugin options' screens
- * @param value
- * Initial value for the option (max. value length is 128 characters)
- */
- function createOption($name, $desc, $type, $defValue = '', $typeExtras = '') {
- return $this->_createOption('global', $name, $desc, $type, $defValue, $typeExtras);
- }
- function createBlogOption($name, $desc, $type, $defValue = '', $typeExtras = '') {
- return $this->_createOption('blog', $name, $desc, $type, $defValue, $typeExtras);
- }
- function createMemberOption($name, $desc, $type, $defValue = '', $typeExtras = '') {
- return $this->_createOption('member', $name, $desc, $type, $defValue, $typeExtras);
- }
- function createCategoryOption($name, $desc, $type, $defValue = '', $typeExtras = '') {
- return $this->_createOption('category', $name, $desc, $type, $defValue, $typeExtras);
- }
- function createItemOption($name, $desc, $type, $defValue = '', $typeExtras = '') {
- return $this->_createOption('item', $name, $desc, $type, $defValue, $typeExtras);
- }
-
- /**
- * Removes the option from the database
- *
- * Note: Options get erased automatically on plugin uninstall
- */
- function deleteOption($name) {
- return $this->_deleteOption('global', $name);
- }
- function deleteBlogOption($name) {
- return $this->_deleteOption('blog', $name);
- }
- function deleteMemberOption($name) {
- return $this->_deleteOption('member', $name);
- }
- function deleteCategoryOption($name) {
- return $this->_deleteOption('category', $name);
- }
- function deleteItemOption($name) {
- return $this->_deleteOption('item', $name);
- }
-
- /**
- * Sets the value of an option to something new
- */
- function setOption($name, $value) {
- return $this->_setOption('global', 0, $name, $value);
- }
- function setBlogOption($blogid, $name, $value) {
- return $this->_setOption('blog', $blogid, $name, $value);
- }
- function setMemberOption($memberid, $name, $value) {
- return $this->_setOption('member', $memberid, $name, $value);
- }
- function setCategoryOption($catid, $name, $value) {
- return $this->_setOption('category', $catid, $name, $value);
- }
- function setItemOption($itemid, $name, $value) {
- return $this->_setOption('item', $itemid, $name, $value);
- }
-
- /**
- * Retrieves the current value for an option
- */
- function getOption($name)
- {
- // only request the options the very first time. On subsequent requests
- // the static collection is used to save SQL queries.
- if ($this->plugin_options == 0)
- {
- $this->plugin_options = array();
- $query = sql_query(
- 'SELECT d.oname as name, o.ovalue as value '.
- 'FROM '.
- sql_table('plugin_option').' o, '.
- sql_table('plugin_option_desc').' d '.
- 'WHERE d.opid='. intval($this->getID()).' AND d.oid=o.oid'
- );
- while ($row = sql_fetch_object($query))
- $this->plugin_options[strtolower($row->name)] = $row->value;
- }
- if (isset($this->plugin_options[strtolower($name)]))
- return $this->plugin_options[strtolower($name)];
- else
- return $this->_getOption('global', 0, $name);
- }
-
- function getBlogOption($blogid, $name) {
- return $this->_getOption('blog', $blogid, $name);
- }
- function getMemberOption($memberid, $name) {
- return $this->_getOption('member', $memberid, $name);
- }
- function getCategoryOption($catid, $name) {
- return $this->_getOption('category', $catid, $name);
- }
- function getItemOption($itemid, $name) {
- return $this->_getOption('item', $itemid, $name);
- }
-
- /**
- * Retrieves an associative array with the option value for each
- * context id
- */
- function getAllBlogOptions($name) {
- return $this->_getAllOptions('blog', $name);
- }
- function getAllMemberOptions($name) {
- return $this->_getAllOptions('member', $name);
- }
- function getAllCategoryOptions($name) {
- return $this->_getAllOptions('category', $name);
- }
- function getAllItemOptions($name) {
- return $this->_getAllOptions('item', $name);
- }
-
- /**
- * Retrieves an indexed array with the top (or bottom) of an option
- * (delegates to _getOptionTop())
- */
- function getBlogOptionTop($name, $amount = 10, $sort = 'desc') {
- return $this->_getOptionTop('blog', $name, $amount, $sort);
- }
- function getMemberOptionTop($name, $amount = 10, $sort = 'desc') {
- return $this->_getOptionTop('member', $name, $amount, $sort);
- }
- function getCategoryOptionTop($name, $amount = 10, $sort = 'desc') {
- return $this->_getOptionTop('category', $name, $amount, $sort);
- }
- function getItemOptionTop($name, $amount = 10, $sort = 'desc') {
- return $this->_getOptionTop('item', $name, $amount, $sort);
- }
-
- /**
- * Returns the plugin ID
- *
- * public
- */
- function getID() {
- return $this->plugid;
- }
-
- /**
- * Returns the URL of the admin area for this plugin (in case there's
- * no such area, the returned information is invalid)
- *
- * public
- */
- function getAdminURL() {
- global $CONF;
- return $CONF['PluginURL'] . $this->getShortName() . '/';
- }
-
- /**
- * Returns the directory where the admin directory is located and
- * where the plugin can maintain his extra files
- *
- * public
- */
- function getDirectory() {
- global $DIR_PLUGINS;
- return $DIR_PLUGINS . $this->getShortName() . '/';
- }
-
- /**
- * Derives the short name for the plugin from the classname (all
- * lowercase)
- *
- * public
- */
- function getShortName() {
- return str_replace('np_','',strtolower(get_class($this)));
- }
-
- /**
- * Clears the option value cache which saves the option values during
- * the plugin execution. This function is usefull if the options has
- * changed during the plugin execution (especially in association with
- * the PrePluginOptionsUpdate and the PostPluginOptionsUpdate events)
- *
- * public
- **/
- function clearOptionValueCache(){
- $this->_aOptionValues = array();
- $this->plugin_options = 0;
- }
-
- // internal functions of the class starts here
-
- var $_aOptionValues; // oid_contextid => value
- var $_aOptionToInfo; // context_name => array('oid' => ..., 'default' => ...)
- var $plugin_options; // see getOption()
- var $plugid; // plugin id
-
-
- /**
- * Class constructor: Initializes some internal data
- */
- function NucleusPlugin() {
- $this->_aOptionValues = array(); // oid_contextid => value
- $this->_aOptionToInfo = array(); // context_name => array('oid' => ..., 'default' => ...)
- $this->plugin_options = 0;
- }
-
- /**
- * Retrieves an array of the top (or bottom) of an option from a plugin.
- * @author TeRanEX
- * @param string $context the context for the option: item, blog, member,...
- * @param string $name the name of the option
- * @param int $amount how many rows must be returned
- * @param string $sort desc or asc
- * @return array array with both values and contextid's
- * @access private
- */
- function _getOptionTop($context, $name, $amount = 10, $sort = 'desc') {
- if (($sort != 'desc') && ($sort != 'asc')) {
- $sort= 'desc';
- }
-
- $oid = $this->_getOID($context, $name);
-
- // retrieve the data and return
- $q = 'SELECT otype, oextra FROM '.sql_table('plugin_option_desc').' WHERE oid = '.$oid;
- $query = sql_query($q);
-
- $o = sql_fetch_array($query);
-
- if (($this->optionCanBeNumeric($o['otype'])) && ($o['oextra'] == 'number' )) {
- $orderby = 'CAST(ovalue AS SIGNED)';
- } else {
- $orderby = 'ovalue';
- }
- $q = 'SELECT ovalue value, ocontextid id FROM '.sql_table('plugin_option').' WHERE oid = '.$oid.' ORDER BY '.$orderby.' '.$sort.' LIMIT 0,'.intval($amount);
- $query = sql_query($q);
-
- // create the array
- $i = 0;
- $top = array();
- while($row = sql_fetch_array($query)) {
- $top[$i++] = $row;
- }
-
- // return the array (duh!)
- return $top;
- }
-
- /**
- * Creates an option in the database table plugin_option_desc
- *
- * private
- */
- function _createOption($context, $name, $desc, $type, $defValue, $typeExtras = '') {
- // create in plugin_option_desc
- $query = 'INSERT INTO ' . sql_table('plugin_option_desc')
- .' (opid, oname, ocontext, odesc, otype, odef, oextra)'
- .' VALUES ('.intval($this->plugid)
- .', \''.sql_real_escape_string($name).'\''
- .', \''.sql_real_escape_string($context).'\''
- .', \''.sql_real_escape_string($desc).'\''
- .', \''.sql_real_escape_string($type).'\''
- .', \''.sql_real_escape_string($defValue).'\''
- .', \''.sql_real_escape_string($typeExtras).'\')';
- sql_query($query);
- $oid = sql_insert_id();
-
- $key = $context . '_' . $name;
- $this->_aOptionToInfo[$key] = array('oid' => $oid, 'default' => $defValue);
- return 1;
- }
-
-
- /**
- * Deletes an option from the database tables
- * plugin_option and plugin_option_desc
- *
- * private
- */
- function _deleteOption($context, $name) {
- $oid = $this->_getOID($context, $name);
- if (!$oid) return 0; // no such option
-
- // delete all things from plugin_option
- sql_query('DELETE FROM ' . sql_table('plugin_option') . ' WHERE oid=' . $oid);
-
- // delete entry from plugin_option_desc
- sql_query('DELETE FROM ' . sql_table('plugin_option_desc') . ' WHERE oid=' . $oid);
-
- // clear from cache
- unset($this->_aOptionToInfo[$context . '_' . $name]);
- $this->_aOptionValues = array();
- return 1;
- }
-
- /**
- * Update an option in the database table plugin_option
- *
- * returns: 1 on success, 0 on failure
- * private
- */
- function _setOption($context, $contextid, $name, $value) {
- global $manager;
-
- $oid = $this->_getOID($context, $name);
- if (!$oid) return 0;
-
- // check if context id exists
- switch ($context) {
- case 'member':
- if (!MEMBER::existsID($contextid)) return 0;
- break;
- case 'blog':
- if (!$manager->existsBlogID($contextid)) return 0;
- break;
- case 'category':
- if (!$manager->existsCategory($contextid)) return 0;
- break;
- case 'item':
- if (!$manager->existsItem($contextid, true, true)) return 0;
- break;
- case 'global':
- if ($contextid != 0) return 0;
- break;
- }
-
-
- // update plugin_option
- sql_query('DELETE FROM ' . sql_table('plugin_option') . ' WHERE oid='.intval($oid) . ' and ocontextid='. intval($contextid));
- sql_query('INSERT INTO ' . sql_table('plugin_option') . ' (ovalue, oid, ocontextid) VALUES (\''.sql_real_escape_string($value).'\', '. intval($oid) . ', ' . intval($contextid) . ')');
-
- // update cache
- $this->_aOptionValues[$oid . '_' . $contextid] = $value;
-
- return 1;
- }
-
- /**
- * Get an option from Cache or database
- * - if not in the option Cache read it from the database
- * - if not in the database write default values into the database
- *
- * private
- */
- function _getOption($context, $contextid, $name) {
- $oid = $this->_getOID($context, $name);
- if (!$oid) return '';
-
-
- $key = $oid . '_' . $contextid;
-
- if (isset($this->_aOptionValues[$key]))
- return $this->_aOptionValues[$key];
-
- // get from DB
- $res = sql_query('SELECT ovalue FROM ' . sql_table('plugin_option') . ' WHERE oid='.intval($oid).' and ocontextid=' . intval($contextid));
-
- if (!$res || (sql_num_rows($res) == 0)) {
- $defVal = $this->_getDefVal($context, $name);
- $this->_aOptionValues[$key] = $defVal;
-
- // fill DB with default value
- $query = 'INSERT INTO ' . sql_table('plugin_option') . ' (oid,ocontextid,ovalue)'
- .' VALUES ('.intval($oid).', '.intval($contextid).', \''.sql_real_escape_string($defVal).'\')';
- sql_query($query);
- }
- else {
- $o = sql_fetch_object($res);
- $this->_aOptionValues[$key] = $o->ovalue;
- }
-
- return $this->_aOptionValues[$key];
- }
-
- /**
- * Returns assoc array with all values for a given option
- * (one option per possible context id)
- *
- * private
- */
- function _getAllOptions($context, $name) {
- $oid = $this->_getOID($context, $name);
- if (!$oid) return array();
- $defVal = $this->_getDefVal($context, $name);
-
- $aOptions = array();
- switch ($context) {
- case 'blog':
- $r = sql_query('SELECT bnumber as contextid FROM ' . sql_table('blog'));
- break;
- case 'category':
- $r = sql_query('SELECT catid as contextid FROM ' . sql_table('category'));
- break;
- case 'member':
- $r = sql_query('SELECT mnumber as contextid FROM ' . sql_table('member'));
- break;
- case 'item':
- $r = sql_query('SELECT inumber as contextid FROM ' . sql_table('item'));
- break;
- }
- if ($r) {
- while ($o = sql_fetch_object($r))
- $aOptions[$o->contextid] = $defVal;
- }
-
- $res = sql_query('SELECT ocontextid, ovalue FROM ' . sql_table('plugin_option') . ' WHERE oid=' . $oid);
- while ($o = sql_fetch_object($res))
- $aOptions[$o->ocontextid] = $o->ovalue;
-
- return $aOptions;
- }
-
- /**
- * Gets the 'option identifier' that corresponds to a given option name.
- * When this method is called for the first time, all the OIDs for the plugin
- * are loaded into memory, to avoid re-doing the same query all over.
- */
- function _getOID($context, $name) {
- $key = $context . '_' . $name;
- $info = $this->_aOptionToInfo[$key];
- if (is_array($info)) return $info['oid'];
-
- // load all OIDs for this plugin from the database
- $this->_aOptionToInfo = array();
- $query = 'SELECT oid, oname, ocontext, odef FROM ' . sql_table('plugin_option_desc') . ' WHERE opid=' . intval($this->plugid);
- $res = sql_query($query);
- while ($o = sql_fetch_object($res)) {
- $k = $o->ocontext . '_' . $o->oname;
- $this->_aOptionToInfo[$k] = array('oid' => $o->oid, 'default' => $o->odef);
- }
- sql_free_result($res);
-
- return $this->_aOptionToInfo[$key]['oid'];
- }
- function _getDefVal($context, $name) {
- $key = $context . '_' . $name;
- $info = $this->_aOptionToInfo[$key];
- if (is_array($info)) return $info['default'];
- }
-
-
- /**
- * Deletes all option values for a given context and contextid
- * (used when e.g. a blog, member or category is deleted)
- *
- * (static method)
- */
- function _deleteOptionValues($context, $contextid) {
- // delete all associated plugin options
- $aOIDs = array();
- // find ids
- $query = 'SELECT oid FROM '.sql_table('plugin_option_desc') . ' WHERE ocontext=\''.sql_real_escape_string($context).'\'';
- $res = sql_query($query);
- while ($o = sql_fetch_object($res))
- array_push($aOIDs, $o->oid);
- sql_free_result($res);
- // delete those options. go go go
- if (count($aOIDs) > 0) {
- $query = 'DELETE FROM ' . sql_table('plugin_option') . ' WHERE oid in ('.implode(',',$aOIDs).') and ocontextid=' . intval($contextid);
- sql_query($query);
- }
- }
-
- /**
- * splits the option's typeextra field (at ;'s) to split the meta collection
- * @param string $typeExtra the value of the typeExtra field of an option
- * @return array array of the meta-key/value-pairs
- * @author TeRanEX
- * @static
- */
- function getOptionMeta($typeExtra) {
- $tmpMeta = explode(';', $typeExtra);
- $meta = array();
- for ($i = 0; $i < count($tmpMeta); $i++) {
- if (($i == 0) && (!strstr($tmpMeta[0], '='))) {
- // we have the select-list
- $meta['select'] = $tmpMeta[0];
- } else {
- $tmp = explode('=', $tmpMeta[$i]);
- $meta[$tmp[0]] = $tmp[1];
- }
- }
- return $meta;
- }
-
- /**
- * filters the selectlists out of the meta collection
- * @param string $typeExtra the value of the typeExtra field of an option
- * @return string the selectlist
- * @author TeRanEX
- */
- function getOptionSelectValues($typeExtra) {
- $meta = NucleusPlugin::getOptionMeta($typeExtra);
- //the select list must always be the first part
- return $meta['select'];
- }
-
- /**
- * checks if the eventlist in the database is up-to-date
- * @return bool if it is up-to-date it return true, else false
- * @author TeRanEX
- */
- function subscribtionListIsUptodate() {
- $res = sql_query('SELECT event FROM '.sql_table('plugin_event').' WHERE pid = '.$this->getID());
- $ev = array();
- while($a = sql_fetch_array($res)) {
- array_push($ev, $a['event']);
- }
- if (count($ev) != count($this->getEventList())) {
- return false;
- }
- $d = array_diff($ev, $this->getEventList());
- if (count($d) > 0) {
- // there are differences so the db is not up-to-date
- return false;
- }
- return true;
- }
-
- /**
- * @param $aOptions: array ( 'oid' => array( 'contextid' => 'value'))
- * (taken from request using requestVar())
- * @param $newContextid: integer (accepts a contextid when it is for a new
- * contextid there was no id available at the moment of writing the
- * formcontrols into the page (by ex: itemOptions for new item)
- * @static
- */
- function _applyPluginOptions(&$aOptions, $newContextid = 0) {
- global $manager;
- if (!is_array($aOptions)) return;
-
- foreach ($aOptions as $oid => $values) {
-
- // get option type info
- $query = 'SELECT opid, oname, ocontext, otype, oextra, odef FROM ' . sql_table('plugin_option_desc') . ' WHERE oid=' . intval($oid);
- $res = sql_query($query);
- if ($o = sql_fetch_object($res))
- {
- foreach ($values as $key => $value) {
- // avoid overriding the key used by foreach statement
- $contextid=$key;
-
- // retreive any metadata
- $meta = NucleusPlugin::getOptionMeta($o->oextra);
-
- // if the option is readonly or hidden it may not be saved
- if (($meta['access'] != 'readonly') && ($meta['access'] != 'hidden')) {
-
- $value = undoMagic($value); // value comes from request
-
- switch($o->otype) {
- case 'yesno':
- if (($value != 'yes') && ($value != 'no')) $value = 'no';
- break;
- default:
- break;
- }
-
- // check the validity of numerical options
- if (($meta['datatype'] == 'numerical') && (!is_numeric($value))) {
- //the option must be numeric, but the it isn't
- //use the default for this option
- $value = $o->odef;
- }
-
- // decide wether we are using the contextid of newContextid
- if ($newContextid != 0) {
- $contextid = $newContextid;
- }
-
- //trigger event PrePluginOptionsUpdate to give the plugin the
- //possibility to change/validate the new value for the option
- $manager->notify('PrePluginOptionsUpdate',array('context' => $o->ocontext, 'plugid' => $o->opid, 'optionname' => $o->oname, 'contextid' => $contextid, 'value' => &$value));
-
- // delete the old value for the option
- sql_query('DELETE FROM '.sql_table('plugin_option').' WHERE oid='.intval($oid).' AND ocontextid='.intval($contextid));
- sql_query('INSERT INTO '.sql_table('plugin_option')." (oid, ocontextid, ovalue) VALUES (".intval($oid).",".intval($contextid).",'" . sql_real_escape_string($value) . "')");
- }
- }
- }
- // clear option value cache if the plugin object is already loaded
- if (is_object($o)) {
- $plugin=& $manager->pidLoaded($o->opid);
- if ($plugin) $plugin->clearOptionValueCache();
- }
- }
- }
- }
-?>
\ No newline at end of file
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