first commit

actions/delete.php

@@ -0,0 +1,11 @@
+<?php
+
+//delete only if admin login
+if (!isadminloggedin()){
+	forward('pg/collaboration/admin');
+}
+$guids_to_delete = get_input('to_delete');
+foreach($guids_to_delete as $guid) {
+	delete_entity($guid);
+}
+forward('pg/collaboration/admin');

actions/insert.php

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+<?php
+//add only if admin login
+if (!isadminloggedin()) {
+	forward('pg/collaboration/admin');
+}
+$site_name  = get_input('site_name');
+$site_url = get_input('site_url');
+$use_iframe = get_input('use_iframe');
+$group_id = get_input('group_visibility');
+
+$site = saveCollaborativeSite($site_name, $site_url, $use_iframe, $group_id);
+forward('pg/collaboration/admin');
+
+/**
+ * Function inserts the site entered by the admin into database
+ * @params $site_name => The user friendly display name of the site
+ * @params $site_url => The url of the collaborative site.
+ *
+ * All the parameters must properly validated and sanitized
+ */
+function saveCollaborativeSite($site_name, $site_url, $in_new_window = false, $group_id) {
+	$site = new ElggObject();
+	$site->subtype = "collaboration";
+	$site->name  = $site_name;
+	$site->url = $site_url;
+	$site->access_id = ACCESS_PUBLIC;
+	$site = setVisibility($site, $group_id);
+	if ($in_new_window) {
+		$site->use_iframe = false;
+	} else {
+		$site->use_iframe = true;
+	}
+
+
+	$site->save();
+
+	return $site;
+}
+
+function setVisibility(ElggObject $site, $group_id = 0) {
+	$group = get_entity($group_id);
+
+	if ($group instanceof ElggGroup) {
+		$site->access_id = $group->group_acl;
+	}
+	return $site;
+}

actions/view.php

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+<?php
+
+$site_id = get_input('site_id');
+
+$area1 = elgg_view_title($title);
+
+$area1 = elgg_view('collaboration/view');
+
+$body = elgg_view_layout('one_column

admin.php

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+<?php
+
+include_once(dirname(dirname(dirname(__FILE__))) ."/engine/start.php");
+
+gatekeeper();
+
+$title = "";
+
+$area1 = elgg_view_title($title);
+
+$area1 .= elgg_view('collaboration/add');
+$area1 .= elgg_view('collaboration/view_all');
+
+$body = elgg_view_layout('one_column', $area1);
+
+echo page_draw($title, $body);
+
+

manifest.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<plugin_manifest>
+	<field key="author" value="Robert George" />
+	<field key="version" value="1.7" />
+	<field key="description" value="This plugin allows linking external sites to elgg site." />
+	<field key="website" value="http://www.neevtech.com/" />
+	<field key="copyright" value="" />
+	<field key="license" value="GNU Public License version 2" />
+	<field key="elgg_version" value="2010030101" />
+</plugin_manifest>

start.php

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+<?php
+global $CONFIG;
+
+
+register_action("collaboration/insert_site", 
+	false, 
+	$CONFIG->pluginspath . "collaboration/actions/insert.php"
+);
+/*
+register_action("collaboration/view",
+	false,
+	$CONFIG->pluginspath . "collaboration/actions/view.php"
+);*/
+
+function collaboration_page_handler($page) {
+
+	if (isset($page[0])) {
+		switch ($page[0]) {
+		case 'add':
+			include (dirname(__FILE__) ."/add.php");
+			break;
+		case 'delete':
+			include (dirname(__FILE__) ."/actions/delete.php");
+			break;
+		case 'view':
+			include (dirname(__FILE__) ."/view.php");
+			break;
+		case 'admin':
+			include (dirname(__FILE__) ."/admin.php");
+			break;
+		}
+	} else {
+		register_error('Page not found');
+		forward( $CONFIG->wwwroot );
+	}
+	return true;
+}
+
+function collaboration_init() {
+	register_page_handler('collaboration', 'collaboration_page_handler');
+	elgg_extend_view('elgg_topbar/extend', 'collaboration/topbar');
+}
+
+function collaboration_pagesetup() {
+	global $CONFIG;
+	if (get_context() == 'admin' && isadminloggedin()) {
+		add_submenu_item('Manage external sites', $CONFIG->wwwroot . 'pg/collaboration/admin');
+	}
+}
+
+register_elgg_event_handler('init', 'system', 'collaboration_init');
+register_elgg_event_handler('pagesetup', 'system', 'collaboration_pagesetup');

view.php

@@ -0,0 +1,15 @@
+<?php
+
+include_once(dirname(dirname(dirname(__FILE__))) . "/engine/start.php");
+
+gatekeeper();
+
+$title = "";
+
+$area1 = elgg_view_title($title);
+
+$area1 .= elgg_view('collaboration/view');
+
+$body = elgg_view_layout('one_column', $area1);
+
+echo page_draw($title, $body);

views/default/collaboration/add.php

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+<?php
+	$groups = elgg_get_entities(array('type' => 'group', 'owner' => 0, 'full_view' => false));
+	$options = array();
+	$options_values = array();
+	$options[] = 'All groups';
+	$options_values[0] = 'All groups';
+
+	foreach( $groups as $group) {
+		$options[] = $group->name;
+		$options_values[$group->getGUID()] = $group->name;
+	}
+?>
+<div class="conentWrapper">
+<form action="<?php echo $vars['url']; ?>action/collaboration/insert_site" method="post">
+<fieldset style="border: 1px solid gold;padding: 18px; margin: 10px;">
+<legend> Add a new collaboration site. Enter the name and url of the site below. </legend>
+<label for="site_name">Name:</label>
+<?php echo elgg_view('input/text', array('internalname' => 'site_name')); ?>
+
+<label for="site_url">Url:</label>
+<?php echo elgg_view('input/text', array('internalname' => 'site_url')); ?>
+<label for="group_assigned">Visible to:</label>
+<?php echo elgg_view('input/pulldown',
+	array(
+		'internalname' => 'group_visibility', 
+		'options' => $options, 
+		'options_values' => $options_values
+	)
+);
+?>
+<br>
+<label for="use_iframe">Open the site in new window:</label>
+<input type="checkbox" name="use_iframe"></input>
+
+<?php echo elgg_view('input/securitytoken'); ?>
+<br>
+<?php echo elgg_view('input/submit', array('value' => elgg_echo('Add site'))); ?>
+</fieldset>
+
+</form>

views/default/collaboration/topbar.php

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+<?php
+
+if ( !function_exists('make_link')) {
+	function make_link($href, $title, $target_blank = false) {
+		if ($target_blank) {
+			return '<a href="' . $href . '" target="_blank">' .$title . '</a>';
+		} else {
+			return '<a href="' . $href . '" target="_self">' .$title . '</a>';
+		}
+	}
+}
+if (!function_exists('get_my_links')) {
+	function get_my_links() {
+		$collaboration_sites  = elgg_get_entities(
+			array( 
+				'type' => 'object', 
+				'subtype' => 'collaboration',
+			)
+		);
+		$submenus = array();
+
+		foreach($collaboration_sites as $site) {
+			if ($site->name == '' || $site->url == '') {
+				continue;
+			}
+			$submenu =  array(
+				'title' => $site->name,
+			);
+			if ($site->use_iframe) {
+				$url =  make_link( $site->url, $site->name );
+			} else {
+				$url =  make_link( $site->url, $site->name, true );
+			}
+			$submenu['url'] = $url;
+			$submenus[] = $submenu;
+		}
+		return $submenus;
+
+	}
+}
+$submenus = get_my_links();
+?>
+<ul class="topbardropdownmenu">
+	<li class="drop"><a href="#" class="menuitemtools">Sites</a>
+	<ul>
+	<?php
+		foreach($submenus as $menu) {
+			echo "<li>{$menu['url']}</li>";
+		}
+	?>
+	</ul>
+	</li>
+</ul>
+<script type="text/javascript">
+jQuery(function() {
+	jQuery('ul.topbardropdownmenu').elgg_topbardropdownmenu();
+});
+</script>

views/default/collaboration/view.php

@@ -0,0 +1,11 @@
+<?php
+ $site_id = get_input('id');
+ $entity = get_entity($site_id);
+
+ $area2 = "<iframe src=\"{$entity->url}\" width=\"100%\" height=\"718px\"></iframe>";
+?>
+<div class="conentWrapper">
+ <?= $area2 ?>
+</div>
+
+

views/default/collaboration/view_all.php

@@ -0,0 +1,55 @@
+<?php
+if (!function_exists('get_all_links')) {
+	function get_all_links() {
+		$links = array();
+		$collaboration_sites = elgg_get_entities(
+			array(
+				'type' => 'object',
+				'subtype' => 'collaboration'
+			)
+		);
+
+		foreach($collaboration_sites as $site) {
+			if ($site->name == '' || $site->url == '') {
+				continue;
+			}
+			$links[] =  array(
+				'name' => $site->name,
+				'id' => $site->getGUID()
+			);
+		}
+		return $links;
+	}
+}	
+?>
+
+<?php
+$delete_path = $CONFIG->wwwroot . "pg/collaboration/delete";
+$links = get_all_links();
+
+if (count($links) ) {
+	echo '<form action="' .$delete_path .'" method="post">
+	    <fieldset style="border: 1px solid gold; padding: 10px;margin: 10px;">
+	    <legend>All collaboration sites</legend>
+		<ol style="list-style-type: decimal;">';
+	foreach($links as $link) {
+		echo '<li>'. $link['name'] .'
+			<input type="checkbox" name="to_delete[]" value="'.
+			$link['id'] ."\"></input>";
+		echo '</li>';
+	}
+	echo '</ol>';
+	echo elgg_view('input/securitytoken');
+	echo '<br>';
+	echo elgg_view(
+		'input/submit', 
+		array(
+			'value' => elgg_echo("Remove selected sites")
+		)
+	);
+	echo	'</fieldset>
+		</form>';
+} else {
+	echo 'No sites found. Please add sites using the above form.';
+}
+?>