forked from extern/egroupware
461 lines
13 KiB
PHP
461 lines
13 KiB
PHP
<?php
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/**
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* EGroupware - Home - user interface
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*
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* @link www.egroupware.org
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* @author Nathan Gray
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* @copyright (c) 2013 by Nathan Gray
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* @package home
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @version $Id$
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*/
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/**
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* General user interface object of the Home app
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*
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* For the purposes of the Home application, a Portlet is [part of] an application that provides
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* a specific piece of content to be included as part of the Home page.
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* See /home/js/Portlet.js.
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*
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* While Home is not WSRP complient, it does use many of the ideas, and may someday be,
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* if someone wants to fully implement it.
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* @link http://docs.oasis-open.org/wsrp/v2/wsrp-2.0-spec-os-01.html
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*/
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class home_ui
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{
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public $public_functions = array(
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'index' => true
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);
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/**
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* Main UI - generates the container, and aggregates all
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* the portlets from the applications
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*/
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public function index($content = array())
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{
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// CSS for Gridster grid layout
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egw_framework::includeCSS('/phpgwapi/js/jquery/gridster/jquery.gridster.css');
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$template = new etemplate_new('home.index');
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// Get a list of portlets
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$content = array(
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'portlets' => $this->get_user_portlets($template)
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);
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$template->setElementAttribute('home.index','actions',$this->get_actions());
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$GLOBALS['egw_info']['flags']['app_header'] = lang('home');
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$GLOBALS['egw_info']['flags']['currentapp'] = 'home';
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// Main screen message
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translation::add_app('mainscreen');
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$greeting = translation::translate('mainscreen_message',false,'');
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if($greeting == 'mainscreen_message'|| empty($greeting))
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{
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translation::add_app('mainscreen','en'); // trying the en one
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$greeting = translation::translate('mainscreen_message',false,'');
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}
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if(!($greeting == 'mainscreen_message'|| empty($greeting)))
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{
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$content['mainscreen_message'] = $greeting;
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}
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$template->exec('home.home_ui.index', $content);
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// Now run the portlets themselves
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foreach($content['portlets'] as $portlet => $p_data)
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{
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$id = $p_data['id'];
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if(!$id) continue;
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$portlet = $this->get_portlet($id, $p_data, $content, $attrs, true);
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}
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}
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/**
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* Get a list of actions on the whole home page. Each portlet also has
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* its own actions
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*
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* @return array of actions
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*/
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protected function get_actions()
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{
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$portlets = $this->get_portlet_list();
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$add_portlets = $portlets;
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$change_for_add = function(&$add_portlets) use (&$change_for_add)
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{
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foreach($add_portlets as $id => &$add)
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{
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if(is_array($add['children']))
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{
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$change_for_add($add['children']);
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}
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if($id && !$add['children'])
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{
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$add['id'] = 'add_' . $id;
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$add['class'] = 'add_'.$id;
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}
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}
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};
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$change_for_add($add_portlets);
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$actions = array(
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'add' => array(
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'type' => 'popup',
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'caption' => 'Add',
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'onExecute' => 'javaScript:app.home.add',
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'children' => $add_portlets
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),
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// Favorites are sortable which needs special handling,
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// handled directly through jQuery
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);
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// Add all known portlets as drop actions too. If there are multiple matches, there will be a menu
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$drop_execute = 'javaScript:app.home.add_from_drop';
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foreach($portlets as $app => &$children)
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{
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// Home portlets - uses link system, so all apps that support that are accepted
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if(!$children['children'])
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{
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$children['class'] = $app;
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$children['onExecute'] = $drop_execute;
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$children['acceptedTypes'] = array('file','link');
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$children['type'] = 'drop';
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$actions["drop_$app"] = $children;
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}
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else
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{
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foreach($children['children'] as $portlet => $app_portlet)
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{
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if(!is_array($app_portlet)) continue;
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$app_portlet['class'] = $portlet;
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$app_portlet['id'] = 'drop_' . $app_portlet['id'];
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$app_portlet['onExecute'] = $drop_execute;
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$app_portlet['acceptedTypes'] = $app;
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$app_portlet['type'] = 'drop';
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$actions["drop_$portlet"] = $app_portlet;
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}
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}
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}
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return $actions;
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}
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/**
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* Get a list of the user's portlets, and their associated values & settings, for display
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*
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* Actual portlet content is provided by each portlet.
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* @param template etemplate so attributes can be set
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*/
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protected function get_user_portlets(etemplate_new &$template)
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{
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$portlets = array();
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foreach((array)$GLOBALS['egw_info']['user']['preferences']['home']['portlets'] as $id => $context)
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{
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if(!$id || in_array($id, array_keys($GLOBALS['egw_info']['user']['apps']))) continue;
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$classname = $context['class'];
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$portlet = new $classname($context);
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$desc = $portlet->get_description();
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$portlet_content = array(
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'id' => $id
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) + $desc + $context;
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// Get settings
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// Exclude common attributes changed through UI and settings lacking a type
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$settings = $portlet->get_properties();
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foreach($settings as $key => $setting)
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{
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if(is_array($setting) && !array_key_exists('type',$setting)) unset($settings[$key]);
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}
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$settings += $context;
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foreach(home_portlet::$common_attributes as $attr)
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{
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unset($settings[$attr]);
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}
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$portlet_content['settings'] = $settings;
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// Set actions
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// Must be after settings so actions can take settings into account
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$template->setElementAttribute("portlets[" . count($portlets) . "[$id]", 'actions', $portlet->get_actions());
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$portlets[] = $portlet_content;
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}
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// Add in legacy HTML home bits
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// TODO: DOM IDs still collide
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//$this->get_legacy_portlets($portlets, $attributes);
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return $portlets;
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}
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/**
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* Load the needed info for one portlet, given the context
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*
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* @param context Array Settings to customize the portlet instance (size, entry, etc)
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* These are specific values for the portlet's properties.
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* @param content String HTML fragment to be displayed - will be set by the portlet
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* @param attributes Array Settings that can be customized on a per-portlet basis - will be set
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* @param full_exec Boolean If set, the portlet etemplates should use mode 2, if not use mode -1
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* @return home_portlet The portlet object that created the content
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*/
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protected function get_portlet($id, &$context, &$content, &$attributes, $full_exec = false)
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{
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if(!$context['class']) $context['class'] = 'home_link_portlet';
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// This should be set already, but just in case the execution path
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// is different from normal...
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if(egw_json_response::isJSONResponse())
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{
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$GLOBALS['egw']->framework->response = egw_json_response::get();
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}
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$classname = $context['class'];
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$portlet = new $classname($context, $full_exec);
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$desc = $portlet->get_description();
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// Pre-set up etemplate so it only needs done once
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$dom_id = 'home-index_'.$id.'_content';
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$etemplate = new etemplate_new();
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// Exclude common attributes changed through UI and settings lacking a type
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$settings = $portlet->get_properties();
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foreach($settings as $key => $setting)
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{
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if(is_array($setting) && !array_key_exists('type',$setting)) unset($settings[$key]);
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}
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$settings += $context;
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foreach(home_portlet::$common_attributes as $attr)
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{
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unset($settings[$attr]);
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}
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$attributes = array(
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'title' => $desc['title'],
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'color' => $settings['color'],
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'settings' => $settings,
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'actions' => $portlet->get_actions(),
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);
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// Set any provided common attributes (size, etc)
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foreach(home_portlet::$common_attributes as $name)
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{
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if(array_key_exists($name, $context))
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{
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$attributes[$name] = $context[$name];
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}
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}
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foreach($attributes as $attr => $value)
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{
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$etemplate->setElementAttribute($id, $attr, $value);
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}
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if($full_exec)
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{
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$content = $portlet->exec($id, $etemplate, $full_exec ? 2 : -1);
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}
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return $portlet;
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}
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/**
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* Get a list of pre-etemplate2 home hook content according to the individual
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* application preferences. If we find a preference that indicates the user
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* wants some content, we make a portlet for that app using the home_legacy_portlet,
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* which fetches content from the home hook.
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*/
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protected function get_legacy_portlets(&$content, &$attributes)
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{
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$sorted_apps = array_keys($GLOBALS['egw_info']['user']['apps']);
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$portal_oldvarnames = array('mainscreen_showevents', 'homeShowEvents','homeShowLatest','mainscreen_showmail','mainscreen_showbirthdays','mainscreen_show_new_updated', 'homepage_display');
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foreach($sorted_apps as $appname)
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{
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// If there's already [new] settings, or no preference, skip it
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if($content[$appname]) continue;
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$no_pref = true;
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foreach($portal_oldvarnames as $varcheck)
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{
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$thisd = $GLOBALS['egw_info']['user']['preferences'][$appname][$varcheck];
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if($thisd)
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{
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$no_pref = false;
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break;
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}
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}
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if($no_pref || !$GLOBALS['egw']->hooks->hook_exists('home', $appname))
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{
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continue;
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}
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$context = array(
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'class' => 'home_legacy_portlet', 'app' => $appname,
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'width' => 8, 'height' => 3
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);
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$_content = '';
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$_attributes = array();
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$this->get_portlet($appname, $context, $_content, $_attributes);
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if(trim($_content))
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{
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$content[$appname] = $_content;
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$attributes[$appname] = $_attributes;
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}
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}
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}
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/**
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* Get a list of all available portlets for add menu
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*/
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protected function get_portlet_list()
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{
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$list = array();
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$list = egw_cache::getTree('home', 'portlet_classes', function() {
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$list = array();
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$classes = array();
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// Ignore some problem files and base classes that shouldn't be options
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$ignore = array(
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'.','..',
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'class.home_portlet.inc.php',
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'class.home_legacy_portlet.inc.php',
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'class.home_favorite_portlet.inc.php'
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);
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// Look through all known classes for portlets - for now, they need 'portlet' in the file name
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foreach($GLOBALS['egw_info']['apps'] as $appname => $app)
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{
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if(in_array($appname, array('phpgwapi', 'felamimail'))) continue;
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$files = (array)@scandir(EGW_SERVER_ROOT . '/'.$appname .'/inc/');
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if(!$files) continue;
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foreach($files as $entry)
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{
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if (!in_array($entry, $ignore) && substr($entry,-8) == '.inc.php' && strpos($entry,'portlet'))
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{
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list(,$classname) = explode('.', $entry);
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if(class_exists($classname) &&
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in_array('home_portlet', class_parents($classname, false)))
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{
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$classes[$appname][] = $classname;
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}
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else
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{
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error_log("Could not load $classname from $entry");
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}
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}
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}
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if(!$classes[$appname]) continue;
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// Build 'Add' actions for each discovered portlet.
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// Portlets from other apps go in sub-actions
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$add_to =& $list;
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if($classes[$appname] && $appname != 'home')
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{
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$list[$appname] = array(
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'caption' => lang($appname),
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);
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$add_to =& $list[$appname]['children'];
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}
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foreach($classes[$appname] as $portlet)
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{
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$instance = new $portlet();
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$desc = $instance->get_description();
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$add_to[$portlet] = array(
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'id' => $portlet,
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'caption' => $desc['displayName'],
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'hint' => $desc['description'],
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'onExecute' => 'javaScript:app.home.add',
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'allowOnMultiple' => $instance->accept_multiple()
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);
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}
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}
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return $list;
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}, array(), 60);
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return $list;
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}
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/**
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* Update the settings for a particular portlet, and give updated content
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*
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* @param portlet_id String Unique ID (for the user) for a portlet
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* @param values Array List of property => value pairs
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*
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*/
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public function ajax_set_properties($portlet_id, $attributes, $values)
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{
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if(!$attributes)
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{
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$attributes = array();
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}
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$response = egw_json_response::get();
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if ($GLOBALS['egw_info']['user']['apps']['preferences'])
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{
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$prefs = $GLOBALS['egw']->preferences->read_repository();
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$portlets = (array)$prefs['home']['portlets'];
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if($values =='~reload~')
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{
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$full_exec = true;
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$values = array();
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}
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if($values == '~remove~')
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{
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unset($portlets[$portlet_id]);
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// Already removed client side
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}
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else
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{
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// Get portlet settings, and merge new with old
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$context = $values+(array)$portlets[$portlet_id];
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// Handle add IDs
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$classname =& $context['class'];
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if(strpos($classname,'add_') == 0 && !class_exists($classname))
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{
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$add = true;
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$classname = substr($classname, 4);
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}
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$portlet = $this->get_portlet($portlet_id, $context, $content, $attributes, $full_exec);
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$context['class'] = get_class($portlet);
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foreach($portlet->get_properties() as $property)
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{
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if($values[$property['name']])
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{
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$context[$property['name']] = $values[$property['name']];
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}
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elseif($portlets[$portlet_id][$property['name']])
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{
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$context[$property['name']] = $portlets[$portlet_id][$property['name']];
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}
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}
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// Update client side
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$update = array('attributes' => $attributes);
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// New portlet? Flag going straight to edit mode
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if($add)
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{
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$update['edit_settings'] = true;
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}
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// Send this back to the portlet widget
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$response->data($update);
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// Store for preference update
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$portlets[$portlet_id] = $context;
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}
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// Save updated preferences
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$GLOBALS['egw']->preferences->add('home', 'portlets', $portlets);
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$GLOBALS['egw']->preferences->save_repository(True);
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}
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}
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}
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