--- /dev/null
+<?php
+/*
+ * Copyright (C) 2003-2004 Polytechnique.org
+ * http://opensource.polytechnique.org/
+ *
+ * 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.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+// dependency on PEAR
+require_once 'System.php';
+
+
+/** This class provides a configuration tool for Diogenes plugins.
+ */
+class Diogenes_Plugin_Editor {
+ /** Should we show plugins parameters? */
+ var $show_params = 1;
+
+ /** Should editing functions be disabled? */
+ var $readonly = false;
+
+ /** The alias of the barrel we are working on. */
+ var $plug_barrel;
+
+ /** The PID of the page we are working on. */
+ var $plug_page;
+
+ /** The write permissions of the page we are working on. */
+ var $plug_page_wperms;
+
+ /** Construct a new plugin editor.
+ *
+ * @param $plug_barrel
+ * @param $plug_page
+ * @param $plug_page_wperms
+ */
+ function Diogenes_Plugin_Editor($plug_barrel, $plug_page, $plug_page_wperms = '')
+ {
+ $this->plug_barrel = $plug_barrel;
+ $this->plug_page = $plug_page;
+ $this->plug_page_wperms = $plug_page_wperms;
+ }
+
+
+ /** Run the plugin editor.
+ *
+ * @param $page
+ * @param $outputvar
+ */
+ function run(&$page, $outputvar = '')
+ {
+ global $globals;
+
+ $action = isset($_REQUEST['action']) ? $_REQUEST['action'] : '';
+ $target = isset($_REQUEST['plug_target']) ? $_REQUEST['plug_target'] : '';
+
+ // load all available plugins
+ $cachefile = $globals->plugins->cacheFile($this->plug_barrel);
+
+ // if the tree cache does not exits, try to init it
+ if (!file_exists($cachefile)) {
+ $globals->plugins->compileCache($cachefile, $this->plug_barrel);
+ }
+ $cache = $globals->plugins->readCache($cachefile, $this->plug_barrel);
+ $available = $globals->plugins->cachedAvailable($cache, $this->plug_barrel, $this->plug_page);
+
+
+ // handle updates
+ switch ($action) {
+ case "move_up": case "move_down":
+ if ($this->readonly) die("Sorry, this plugin view is read-only.");
+
+ $delta = ($action == "move_down") ? 1 : -1;
+ //$page->info("moving plugin '$target'..");
+ $plugcache_a = $globals->plugins->cacheGet($cache, $this->plug_barrel, $this->plug_page, $target);
+ $plug_a =& $globals->plugins->load($plugcache_a);
+ //$plug_a =& $globals->plugins->get($target);
+
+ if (is_object($plug_a) && ($plug_a->active)) {
+ $old_pos = $plug_a->pos;
+ //$plug_b =& $globals->plugins->getAtPos($old_pos + $delta);
+ $plugcache_b = $globals->plugins->cacheGetAtPos($cache, $this->plug_barrel, $this->plug_page, $old_pos + $delta);
+
+ if (is_array($plugcache_b))
+ {
+ $plug_b =& $globals->plugins->load($plugcache_b);
+
+ // swap the current plugin and the next plugin
+ if (is_object($plug_b) && ($plug_b->active))
+ {
+ $plug_a->writeParams($this->plug_barrel, $this->plug_page, $old_pos + $delta);
+ $plug_b->writeParams($this->plug_barrel, $this->plug_page, $old_pos);
+ }
+ }
+ }
+ $globals->plugins->compileCache($cachefile, $this->plug_barrel);
+ $cache = $globals->plugins->readCache($cachefile, $this->plug_barrel);
+ $available = $globals->plugins->cachedAvailable($cache, $this->plug_barrel, $this->plug_page);
+ break;
+
+ case "update":
+ if ($this->readonly) die("Sorry, this plugin view is read-only.");
+
+ // list of active plugins
+ $active = array();
+ if (isset($_REQUEST['plugins_active'])) {
+ $active = array_values($_REQUEST['plugins_active']);
+ }
+
+ foreach ($available as $plugin) {
+ $plugentry =& $globals->plugins->cacheGet($cache, $this->plug_barrel, $this->plug_page, $plugin);
+ if (!is_array($plugentry) and $this->plug_page) {
+ $plugentry = $globals->plugins->cacheGet($cache, $this->plug_barrel, 0, $plugin);
+ if (is_array($plugentry))
+ {
+ $plugentry['active'] = 0;
+ }
+ }
+
+ // check we have a valid cache entry
+ if (!is_array($plugentry)) {
+ $page->info("could not find plugin '$plugin' in cache for barrel '{$this->plug_barrel}'");
+ return;
+ }
+
+ $plug_h =& $globals->plugins->load($plugentry);
+
+ if (is_object($plug_h) && is_array($plugentry)) {
+ $pos = array_search($plugin, $active);
+
+ if ($pos !== false) {
+ // check the plugin is allowed in the current context
+ if ($this->plug_barrel and $this->plug_page) {
+ $wperms = $this->plug_page_wperms;
+
+ // $page->info("checking plugin '$plugin' vs. write permissions '$wperms'..");
+ if (!$plug_h->allow_wperms($wperms))
+ {
+ $page->info("plugin '$plugin' is not allowed with write permissions '$wperms'!");
+ break;
+ }
+ }
+
+ // retrieve parameters from REQUEST
+ foreach ($plug_h->params as $key => $val)
+ {
+ if (isset($_REQUEST[$plug_h->name."_".$key])) {
+ $plug_h->params[$key] = $_REQUEST[$plug_h->name."_".$key];
+ }
+ }
+
+ // write parameters to database
+ $plug_h->writeParams($this->plug_barrel, $this->plug_page, $pos);
+ } else {
+ // erase parameters from database
+ $plug_h->eraseParams($this->plug_barrel, $this->plug_page);
+ }
+ }
+ }
+
+ // log this action
+ if ($this->plug_barrel)
+ {
+ if ($this->plug_page)
+ {
+ $page->log('page_plugins', $this->plug_barrel.":".$this->plug_page);
+ } else {
+ $page->log('barrel_plugins', $this->plug_barrel.":*");
+ }
+ }
+
+ $globals->plugins->compileCache($cachefile, $this->plug_barrel);
+ $cache = $globals->plugins->readCache($cachefile, $this->plug_barrel);
+ $available = $globals->plugins->cachedAvailable($cache, $this->plug_barrel, $this->plug_page);
+ break;
+ }
+
+ // get dump of plugins to fill out form
+ $page->assign('plug_barrel', $this->plug_barrel);
+ $page->assign('plug_page', $this->plug_page);
+
+ $plugs = array();
+
+ // start by adding the active plugins
+ foreach ($cache as $plugcache)
+ {
+ if (in_array($plugcache['plugin'], $available) and ($plugcache['page'] == $this->plug_page) and ($plugcache['active']))
+ {
+ // check we have a valid plugin handle
+ $plug_h = $globals->plugins->load($plugcache);
+ if (!is_object($plug_h)) {
+
+ $page->info("could not load disabled plugin '{$plugcache['plugin']}' in barrel '{$this->plug_barrel}'");
+
+ } else {
+
+ $plugentry = $plug_h->dump();
+ $plugentry['icon'] = $globals->icons->get_action_icon('plugins');
+ $type = $plugentry['type'];
+ if (!empty($plugs[$type])) {
+ $plugentry['move_up'] = 1;
+ $last = count($plugs[$type]) - 1;
+ $plugs[$type][$last]['move_down'] = 1;
+ } else {
+ $plugs[$type] = array();
+ }
+ array_push($plugs[$type], $plugentry);
+
+ }
+ }
+ }
+
+ // next we add the disabled plugins
+ if (!$this->readonly)
+ {
+ foreach ($available as $plugname)
+ {
+ $plugcache = $globals->plugins->cacheGet($cache, $this->plug_barrel, $this->plug_page, $plugname);
+ if (!is_array($plugcache) or !$plugcache['active'])
+ {
+ $plugcache = $globals->plugins->cacheGet($cache, $this->plug_barrel, 0, $plugname);
+ $plugcache['active'] = 0;
+ $plug_h = $globals->plugins->load($plugcache);
+ if (!is_object($plug_h)) {
+ $page->info("could not load disabled plugin '$plugname' in barrel '{$this->plug_barrel}'");
+ return;
+ }
+
+ $plugentry = $plug_h->dump();
+ $plugentry['icon'] = $globals->icons->get_action_icon('plugins');
+ $type = $plugentry['type'];
+ if (empty($plugs[$type])) {
+ $plugs[$type] = array();
+ }
+ array_push($plugs[$type], $plugentry);
+ }
+ }
+ }
+
+ /*
+ echo "plugins <pre>";
+ print_r($plugs);
+ echo "</pre>";
+ */
+ $page->assign('plugins', $plugs);
+
+ // values
+ $page->assign('show_params', $this->show_params);
+ $page->assign('readonly',$this->readonly);
+
+ // translations
+ $page->assign('msg_submit', __("Submit"));
+ $page->assign('msg_plugedit_plugin', __("plugin"));
+ $page->assign('msg_plugedit_plugins', __("plugins"));
+ $page->assign('msg_plugedit_description', __("description"));
+ $page->assign('msg_plugedit_parameters', __("parameters"));
+ $page->assign('msg_move_up', __("move up"));
+ $page->assign('msg_move_down', __("move down"));
+
+ // if requested, assign the content to be displayed
+ if (!empty($outputvar)) {
+ $page->assign($outputvar, $page->fetch('plugin-editor.tpl'));
+ }
+ }
+
+
+ /** Do not display plugin parameters.
+ *
+ * @param $hide boolean
+ */
+ function hide_params($hide)
+ {
+ $this->show_params = !$hide;
+ }
+
+}
+
+?>