function render_dashboard_page()
{
$this->list_table = new Amber_List_Table();
$this->list_table->prepare_items();
?>
<div class="wrap">
<form id="amber_dashboard" method="get">
<?php
wp_nonce_field('amber_dashboard');
?>
<div id="icon-users" class="icon32"><br/></div>
<h2>Amber Dashboard</h2>
<div id="amber-stats">
<h3>Global Statistics</h3>
<table>
<tbody>
<tr><td>Snapshots preserved</td><td><?php
print $this->cache_size();
?>
</td></tr>
<tr><td>Links to snapshot</td><td><?php
print $this->queue_size();
?>
</td></tr>
<tr><td>Last check</td><td><?php
print $this->last_check();
?>
</td></tr>
<tr><td>Disk space used</td><td><?php
print $this->disk_usage() . " of " . Amber::get_option('amber_max_disk');
?>
MB</td></tr>
</tbody>
</table>
<?php
submit_button("Delete all snapshots", "small", "delete_all");
?>
<?php
submit_button("Scan content for links to preserve", "small", "scan");
?>
<?php
submit_button("Snapshot all new links", "small", "cache_now");
?>
<?php
submit_button("Export list of snapshots", "small", "export");
?>
</div>
</form>
<form id="amber_dashboard-2">
<input type="hidden" name="page" value="<?php
echo $_REQUEST['page'];
?>
" />
<?php
$this->list_table->display();
?>
<div id="amber-lightbox">
<div id="amber-lightbox-content">
<div id="batch_status"></div>
<input type="submit" name="stop" id="stop" class="button button-small" value="Stop">
</div>
</div>
</form>
</div>
<style>
div#amber-stats {
float: left;
background:#ECECEC;
border:1px solid #CCC;
padding:0 10px;
margin-top:5px;
border-radius:5px;
}
p.submit {
float: left;
padding-right: 20px;
}
th.views, td.views
{
text-align: center;
}
div#amber-lightbox {
width: 100%;
height: 75%;
z-index: 200;
position: absolute;
background-color: rgba(0,0,0,.7);
left: -10px;
top: 0;
padding-top: 25%;
display: none;
}
div#amber-lightbox-content {
float: left;
width: 50%;
margin-left: 25%;
top: 25%;
postion: absolute;
background:#ECECEC;
border:1px solid #CCC;
padding:30px;
margin-top:5px;
border-radius:5px;
}
div#batch_status {
width: 80%;
overflow: hidden;
float: left;
}
div#amber-lightbox input {
float: right;
position: relative;
}
</style>
<script type="text/javascript" >
jQuery(document).ready(function($) {
$("input#cache_now").click(function() { cache_all(); return false;});
$("input#scan").click(function() { scan_all(); return false;});
function show_status(s) {
$("div#amber-lightbox").show();
$("#batch_status").html(s);
}
function show_status_done(s) {
$("#batch_status").html(s);
$("#amber-lightbox input").val("Close");
}
function cache_one() {
var data = { 'action': 'amber_cache', '_wpnonce': $("#_wpnonce").val() };
$.post(ajaxurl, data, function(response) {
if (response) {
// Cached a page, check to see if there's another
show_status("Preserving..." + response);
setTimeout(cache_one, 100);
} else {
show_status_done("Done preserving links");
}
});
}
function cache_all () {
show_status("Preserving links...");
cache_one();
}
function scan_one() {
var data = { 'action': 'amber_scan', '_wpnonce': $("#_wpnonce").val()};
$.post(ajaxurl, data, function(response) {
if (response && response != 0) {
show_status("Scanning content. " + response + " items remaining.");
setTimeout(scan_one, 100);
} else {
show_status_done("Done scanning content");
}
});
}
function scan_all () {
show_status("Scanning content for links...");
var data = { 'action': 'amber_scan_start', '_wpnonce': $("#_wpnonce").val() };
$.post(ajaxurl, data, function(response) {
if (response) {
show_status(response + " items left to scan");
setTimeout(scan_one, 100);
} else {
show_status_done("No items to scan");
}
});
}
});
</script>
<?php
}
/**
* Filter links that are candidates for caching to exclude local links, or links to URLs on the blacklist
* @param $links array of links to check
* @param $blacklist array of regular expressions to exclude
*/
private static function filter_regexp_excluded_links($links)
{
$blacklist = preg_split("/[,\\s]+/", Amber::get_option("amber_excluded_sites", ""));
if (!$blacklist) {
return $links;
}
$default_error_logging_level = error_reporting();
$result = array('cache' => array(), 'excluded' => array());
foreach ($links as $link) {
$exclude = FALSE;
foreach ($blacklist as $blacklistitem) {
$blacklistitem = trim($blacklistitem);
if ($blacklistitem) {
$blacklistitem = preg_replace("/https?:\\/\\//i", "", $blacklistitem);
$blacklistitem = str_replace("@", "\\@", $blacklistitem);
$blacklistitem = '@' . $blacklistitem . '@';
$cleanedlink = preg_replace("/https?:\\/\\//i", "", $link);
/* Hide warning messages from preg_match() that can be generated by
invalid user-entered regular expressions. */
error_reporting(E_ALL ^ E_WARNING);
$match_result = preg_match($blacklistitem, $cleanedlink);
error_reporting($default_error_logging_level);
if ($match_result === FALSE) {
// Log compilation error explicitly, since we'd disabled warnings
error_log("filter_regexp_excluded_links: Error processing excluded list regular expression for " . $blacklistitem);
$error = error_get_last();
error_log($error["message"]);
} else {
if ($match_result) {
$exclude = TRUE;
} else {
// If match_result === 0, meaning there was no match, so do nothing
}
}
}
}
if ($exclude) {
$result['excluded'][] = $link;
} else {
$result['cache'][] = $link;
}
}
return $result;
}
public static function add_meta_boxes()
{
$screens = explode(',', Amber::get_option('amber_post_types', 'post,page'));
foreach ($screens as $screen) {
add_meta_box('amber_sectionid', 'Amber', array('Amber', 'display_meta_boxes'), $screen, 'side');
}
}
