Source for file group_browse.act.php

<?php
 
/**
 * @package polyphony.agents
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: group_browse.act.php,v 1.10 2007/09/19 14:04:52 adamfranco Exp $
 */ 
 
require_once(POLYPHONY."/main/library/AbstractActions/MainWindowAction.class.php");
require_once(HARMONI."GUIManager/Components/Blank.class.php");
 
/**
 * This action will allow for the modification of group Membership.
 *
 * @since 11/10/04
 * 
 * @package polyphony.agents
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: group_browse.act.php,v 1.10 2007/09/19 14:04:52 adamfranco Exp $
 */
class group_browseAction 
    extends MainWindowAction
{
    /**
     * Check Authorizations
     * 
     * @return boolean 
     * @access public
     * @since 4/26/05
     */
    function isAuthorizedToExecute () {
        // Check for authorization
         $authZManager = Services::getService("AuthZ");
         $idManager = Services::getService("IdManager");
         if ($authZManager->isUserAuthorized(
                     $idManager->getId("edu.middlebury.authorization.view"),
                     $idManager->getId("edu.middlebury.authorization.root")))
         {
            return TRUE;
         } else {
             
             return FALSE;
        }
    }
    
    /**
     * Return the heading text for this action, or an empty string.
     * 
     * @return string 
     * @access public
     * @since 4/26/05
     */
    function getHeadingText () {
        return dgettext("polyphony", "Browse Agents and Groups");
    }
    
    /**
     * Build the content for this action
     * 
     * @return void 
     * @access public
     * @since 4/26/05
     */
    function buildContent () {
        $defaultTextDomain = textdomain("polyphony");
        
        $actionRows =$this->getActionRows();
        $pageRows = new Container(new YLayout(), OTHER, 1);
        $harmoni = Harmoni::instance();
        
        $harmoni->request->startNamespace("polyphony-agents");
 
        $agentManager = Services::getService("Agent");
        $idManager = Services::getService("Id");
        $everyoneId =$idManager->getId("edu.middlebury.agents.everyone");
        $usersId =$idManager->getId("edu.middlebury.agents.users");
        
        
        /*********************************************************
         * the agent search form
         *********************************************************/
        // Users header
        $actionRows->add(new Heading(_("Users"), 2), "100%", null, LEFT, CENTER);
        
        ob_start();
        $self = $harmoni->request->quickURL();
        $lastCriteria = $harmoni->request->get("search_criteria");
        $search_criteria_name = RequestContext::name("search_criteria");
        $search_type_name = RequestContext::name("search_type");
        print _("Search For Users").": ";
        print <<<END
        <form action='$self' method='post'>
            <div>
            <input type='text' name='$search_criteria_name' value='$lastCriteria' />
            <br /><select name='$search_type_name'>
END;
        
        $searchTypes =$agentManager->getAgentSearchTypes();
        while ($searchTypes->hasNext()) {
            $type =$searchTypes->next();
            $typeString = htmlspecialchars($type->getDomain()
                                ."::".$type->getAuthority()
                                ."::".$type->getKeyword());
            print "\n\t\t<option value='$typeString'";
            if ($harmoni->request->get("search_type") == $typeString)
                print " selected='selected'";
            print ">$typeString</option>";
        }
        
            print "\n\t</select>";
            print "\n\t<br /><input type='submit' value='"._("Search")."' />";
            print "\n\t<a href='".$harmoni->request->quickURL()."'>";
            print "<input type='button' value='"._("Clear")."' /></a>";
        print "\n</div>\n</form>";
        
        $actionRows->add(new Block(ob_get_contents(), STANDARD_BLOCK), "100%", null, LEFT, CENTER);
        ob_end_clean();
        
        
        /*********************************************************
         * the agent search results
         *********************************************************/
        ob_start();
        if (($search_criteria = $harmoni->request->get('search_criteria')) && ($search_type = $harmoni->request->get('search_type'))) {
            $typeParts = explode("::", @html_entity_decode($search_type, ENT_COMPAT, 'UTF-8'));
            $searchType = new HarmoniType($typeParts[0], $typeParts[1], $typeParts[2]);
            $agents =$agentManager->getAgentsBySearch($search_criteria, $searchType);
            print "search: " . $search_criteria;
            
            print <<<END
        
        
        <table>
            <tr>
                <td valign='top'>
                    <div style='
                        border: 1px solid #000; 
                        width: 15px; 
                        height: 15px;
                        text-align: center;
                        text-decoration: none;
                        font-weight: bold;
                    '>
                        -
                    </div>
                </td>
                <td>
END;
            print "\n\t\t\t"._("Search Results");
            print <<<END
                </td>
            </tr>
        </table>
        <div style='
            margin-left: 13px; 
            margin-right: 0px; 
            margin-top:0px; 
            padding-left: 10px;
            border-left: 1px solid #000;
        '>
END;
            while ($agents->hasNext()) {
                $agent =$agents->next();
                group_browseAction::printMember($agent);
                print "<br />";
            }
            print "\n</div>";
            
            $pageRows->add(new Block(ob_get_contents(), STANDARD_BLOCK), "100%", null, LEFT, CENTER);    
            ob_end_clean();
        }
        
        
        
        /*********************************************************
         * Groups
         *********************************************************/
         $pageRows->add(new Heading(_("Groups"), 2), "100%", null, LEFT, CENTER);
 
        
        // Loop through all of the Root Groups
        $childGroupIds = array();
        $groups =$agentManager->getGroupsBySearch($null = null, new Type("Agent & Group Search", "edu.middlebury.harmoni", "RootGroups"));
 
        while ($groups->hasNext()) {
            $group =$groups->next();
            $groupId =$group->getId();
                            
            // Create a layout for this group using the GroupPrinter
            ob_start();
            
            GroupPrinter::printGroup($group, $harmoni,
                                            2,
                                            "group_browseAction::printGroup", 
                                            "group_browseAction::printMember");
            $groupLayout = new Block(ob_get_contents(), STANDARD_BLOCK);
            ob_end_clean();
            $pageRows->add($groupLayout, "100%", null, LEFT, CENTER);    
        }
        
        // In order to preserve proper nesting on the HTML output, the checkboxes
        // are all in the pagerows layout instead of actionrows.
         $actionRows->add($pageRows, null, null,CENTER, CENTER);    
         
         textdomain($defaultTextDomain);
    }
    
    
/*******************************************************
 * Functions used for the GroupPrinter
 *********************************************************/
 
 
    /**
     * Callback function for printing a group
     * 
     * @param object Group $group 
     * @return void 
     * @access public
     * @ignore
     */
    function printGroup($group) {
        $idManager = Services::getService("Id");
        $everyoneId =$idManager->getId("edu.middlebury.agents.everyone");
        $usersId =$idManager->getId("edu.middlebury.agents.users");
        
        $id =$group->getId();
        $groupType =$group->getType();
        
        print "\n&nbsp; &nbsp; &nbsp;";
        
        print "\n<a title='".htmlspecialchars($groupType->getAuthority()." :: ".$groupType->getDomain()." :: ".$groupType->getKeyword()." - ".$groupType->getDescription())."'>";
        print "\n<span style='text-decoration: underline; font-weight: bold;'>".htmlspecialchars($group->getDisplayName())."</span></a>";
        
        print "\n - <a href=\"Javascript:alert('"._("Id:").'\n\t'.addslashes($id->getIdString())."')\">"._("Show Id")."</a>";
        print "\n - <em>".htmlspecialchars($group->getDescription())."</em>";
        
        // print out the properties of the Agent
        print "\n<em>";
        $propertiesIterator =$group->getProperties();
        
        while($propertiesIterator->hasNext()) {
            $properties =$propertiesIterator->next();
            $propertiesType =$properties->getType();
            print "\n\t(<a title='".htmlspecialchars($propertiesType->getDomain()." :: ".$propertiesType->getAuthority()." :: ".$propertiesType->getKeyword()." - ".$propertiesType->getDescription())."'>";
            
            $keys =$properties->getKeys();
            $i = 0;
            
            while ($keys->hasNext()) {
                $key =$keys->next();            
                print htmlspecialchars("\n\t\t".(($i)?", ":"").$key.": ".$properties->getProperty($key));
                $i++;
            }
            
            print "\n\t</a>)";
        }
        print "\n</em>";
    }
    
    /**
     * Callback function for printing an agent
     * 
     * @param object Agent $member 
     * @return void 
     * @access public
     * @ignore
     */
    function printMember($member) {
        $harmoni = Harmoni::instance();
        $id =$member->getId();
        
        $memberType =$member->getType();
        $harmoni->history->markReturnURL("polyphony/agents/edit_agent_details");
        
        print "\n<a href='".$harmoni->request->quickURL("agents","edit_agent_details", array("agentId"=>$id->getIdString()))."' title='".htmlspecialchars($memberType->getDomain()." :: ".$memberType->getAuthority()." :: ".$memberType->getKeyword()." - ".$memberType->getDescription())."'>";
        print "\n<span style='text-decoration: none;'>".htmlspecialchars($member->getDisplayName())."</span></a>";
        print "\n - <a href=\"Javascript:alert('"._("Id:").'\n\t'.addslashes($id->getIdString())."')\">"._("Show Id")."</a>";
        
        // print out the properties of the Agent
        print "\n<em>";
        $propertiesIterator = NULL;
        $propertiesIterator =$member->getProperties();
        while($propertiesIterator->hasNext()) {
            $properties = NULL;
            $properties =$propertiesIterator->next();
            
            $propertiesType =$properties->getType();
            print "\n\t(<a style='text-decoration: none; font-weight: normal;' title='".htmlspecialchars($propertiesType->getDomain()." :: ".$propertiesType->getAuthority()." :: ".$propertiesType->getKeyword()." - ".$propertiesType->getDescription())."'>";
            
            $keys =$properties->getKeys();
            $i = 0;
            while ($keys->hasNext()) {
                $key =$keys->next();            
                print htmlspecialchars("\n\t\t".(($i)?", ":"").$key.": ".$properties->getProperty($key));
                $i++;
            }
            
            print "\n\t</a>)";
        }
        print "\n</em>";
    }
}