feedwordpress / performance-page.php

performance-page.php in FeedWordPress 2011.1018, at performance-page.php

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1	<?php
2	require_once(dirname(__FILE__) . '/admin-ui.php');
3
4	class FeedWordPressPerformancePage extends FeedWordPressAdminPage {
5	function FeedWordPressPerformancePage () {
6	// Set meta-box context name
7	FeedWordPressAdminPage::FeedWordPressAdminPage('feedwordpressperformancepage');
8	$this->dispatch = 'feedwordpress_performance';
9	$this->filename = __FILE__;
10	}
11
12	function has_link () { return false; }
13
14	function display () {
15	global $wpdb, $wp_db_version, $fwp_path;
16	global $fwp_post;
17
18	if (FeedWordPress::needs_upgrade()) :
19	fwp_upgrade_page();
20	return;
21	endif;
22
23	// If this is a POST, validate source and user credentials
24	FeedWordPressCompatibility::validate_http_request(/action=/ 'feedwordpress_performance', /capability=/ 'manage_options');
25
26	if (strtoupper($_SERVER['REQUEST_METHOD'])=='POST') :
27	$this->accept_POST($fwp_post);
28	do_action('feedwordpress_admin_page_performance_save', $GLOBALS['fwp_post'], $this);
29	endif;
30
31	////////////////////////////////////////////////
32	// Prepare settings page ///////////////////////
33	////////////////////////////////////////////////
34
35	$this->display_update_notice_if_updated('Performance');
36
37	$this->open_sheet('FeedWordPress Performance');
38	?>
39	<div id="post-body">
40	<?php
41	$boxes_by_methods = array(
42	'performance_box' => __('Performance'),
43	);
44
45	foreach ($boxes_by_methods as $method => $title) :
46	add_meta_box(
47	/id=/ 'feedwordpress_'.$method,
48	/title=/ $title,
49	/callback=/ array('FeedWordPressPerformancePage', $method),
50	/page=/ $this->meta_box_context(),
51	/context=/ $this->meta_box_context()
52	);
53	endforeach;
54	do_action('feedwordpress_admin_page_performance_meta_boxes', $this);
55	?>
56	<div class="metabox-holder">
57	<?php
58	fwp_do_meta_boxes($this->meta_box_context(), $this->meta_box_context(), $this);
59	?>
60	</div> <!-- class="metabox-holder" -->
61	</div> <!-- id="post-body" -->
62
63	<?php
64	$this->close_sheet();
65	} /* FeedWordPressPerformancePage::display () */
66
67	function accept_POST ($post) {
68	if (isset($post['create_index'])) :
69	FeedWordPress::create_guid_index();
70	$this->updated = __('guid column index created on database table.');
71	endif;
72	if (isset($post['remove_index'])) :
73	FeedWordPress::remove_guid_index();
74	$this->updated = __('guid column index removed from database table.');
75	endif;
76
77	if (isset($post['clear_cache'])) :
78	$N = FeedWordPress::clear_cache();
79	$feeds = (($N == 1) ? __("feed") : __("feeds"));
80	$this->updated = sprintf(__("Cleared %d cached %s from WordPress database."), $N, $feeds);
81	endif;
82	} /* FeedWordPressPerformancePage::accept_POST () */
83
84	/static/ function performance_box ($page, $box = NULL) {
85	// Hey ho, let's go...
86	?>
87	<table class="editform" width="100%" cellspacing="2" cellpadding="5">
88	<tr style="vertical-align: top">
89	<th width="33%" scope="row">Feed cache:</th>
90	<td width="67%"><input class="button" type="submit" name="clear_cache" value="Clear all cached feeds from WordPress database" />
91	<p>This will clear all cached copies of feed data from the WordPress database
92	and force FeedWordPress to make a fresh scan for updates on syndicated feeds.</p></td></tr>
93
94	<tr style="vertical-align: top">
95	<th width="33%" scope="row">Guid index:</th>
96	<td width="67%"><?php if (!FeedWordPress::has_guid_index()) : ?>
97	<input class="button" type="submit" name="create_index" value="Create index on guid column in posts database table" />
98	<p>Creating this index may significantly improve performance on some large
99	FeedWordPress installations.</p>
100	<?php else : ?>
101
102	<p>You have already created an index on the guid column in the WordPress posts
103	table. If you'd like to remove the index for any reason, you can do so here.</p>
104
105	<input class="button" type="submit" name="remove_index" value="Remove index on guid column in posts database table" />
106
107	<?php endif; ?>
108
109
110	</td>
111	</tr>
112	</table>
113	<?php
114	} /* FeedWordPressPerformancePage::performance_box () */
115	} /* class FeedWordPressPerformancePage */
116
117	$performancePage = new FeedWordPressPerformancePage;
118	$performancePage->display();
119
120