aboutsummaryrefslogtreecommitdiff
path: root/mod/embed/start.php
blob: 94021947623ea0775b9fe25855f1442cb62f06c7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
<?php
/**
 * Elgg media embed plugin
 *
 * @package ElggEmbed
 */


elgg_register_event_handler('init', 'system', 'embed_init');

/**
 * Init function
 */
function embed_init() {
	elgg_extend_view('css/elgg', 'embed/css');
	
	elgg_register_plugin_hook_handler('register', 'menu:longtext', 'embed_longtext_menu');
	elgg_register_plugin_hook_handler('register', 'menu:embed', 'embed_select_tab', 1000);

	// Page handler for the modal media embed
	elgg_register_page_handler('embed', 'embed_page_handler');
	
	elgg_register_js('elgg.embed', 'js/embed/embed.js', 'footer');
}

/**
 * Add the embed menu item to the long text menu
 *
 * @param string $hook
 * @param string $type
 * @param array $items
 * @param array $vars
 * @return array
 */
function embed_longtext_menu($hook, $type, $items, $vars) {

	if (elgg_get_context() == 'embed') {
		return $items;
	}

	$url = 'embed';
	if (elgg_get_page_owner_guid()) {
		$url = 'embed?container_guid=' . elgg_get_page_owner_guid();
	}
	
	$items[] = ElggMenuItem::factory(array(
		'name' => 'embed',
		'href' => $url,
		'text' => elgg_echo('embed:media'),
		'rel' => 'lightbox',
		'link_class' => "elgg-longtext-control elgg-lightbox embed-control embed-control-{$vars['id']}",
		'priority' => 10,
	));

	elgg_load_js('lightbox');
	elgg_load_css('lightbox');
	elgg_load_js('elgg.embed');
	
	return $items;
}

/**
 * Select the correct embed tab for display
 *
 * @param string $hook
 * @param string $type
 * @param array $items
 * @param array $vars
 */
function embed_select_tab($hook, $type, $items, $vars) {

	// can this ba called from page handler instead?
	$page = get_input('page');
	$tab_name = array_pop(explode('/', $page));
	foreach ($items as $item) {
		if ($item->getName() == $tab_name) {
			$item->setSelected();
			elgg_set_config('embed_tab', $item);
		}
	}

	if (!elgg_get_config('embed_tab') && count($items) > 0) {
		$items[0]->setSelected();
		elgg_set_config('embed_tab', $items[0]);
	}
}

/**
 * Serves the content for the embed lightbox
 *
 * @param array $page URL segments
 */
function embed_page_handler($page) {

	$container_guid = (int)get_input('container_guid');
	if ($container_guid) {
		elgg_set_page_owner_guid($container_guid);
	}

	echo elgg_view('embed/layout');

	// exit because this is in a modal display.
	exit;
}

/**
 * A special listing function for selectable content
 *
 * This calls a custom list view for entities. 
 *
 * @param array $entities Array of ElggEntity objects
 * @param array $vars     Display parameters
 * @return string
 */
function embed_list_items($entities, $vars = array()) {

	$defaults = array(
		'items' => $entities,
		'list_class' => 'elgg-list-entity',
	);

	$vars = array_merge($defaults, $vars);

	return elgg_view('embed/list', $vars);
}

/**
 * Set the options for the list of embedable content
 *
 * @param array $options
 * @return array
 */
function embed_get_list_options($options = array()) {

	$container_guids = array(elgg_get_logged_in_user_guid());
	if (elgg_get_page_owner_guid()) {
		$page_owner_guid = elgg_get_page_owner_guid();
		if ($page_owner_guid != elgg_get_logged_in_user_guid()) {
			$container_guids[] = $page_owner_guid;
		}
	}

	$defaults = array(
		'limit' => 6,
		'container_guids' => $container_guids,
		'item_class' => 'embed-item',
	);

	$options = array_merge($defaults, $options);

	return $options;
}