function twitch_status_channels_edit()
{
?>
<script type="text/javascript">
function twitchStatus_AddChannelRow()
{
jQuery('#twitchStatusChannels tbody').append(jQuery('#twitchStatusChannels tbody tr:last()').clone());
jQuery('#twitchStatusChannels tbody tr:last() button').show();
}
function twitchStatus_RemoveChannelRow(button)
{
jQuery(button).closest('tr').remove();
}
</script>
<?php
$channels = twitch_status_get_channels();
if (empty($channels)) {
$channels[] = array('name' => '', 'selectors' => '');
}
echo '<table id="twitchStatusChannels">';
echo '<thead>';
echo '<tr>';
echo '<th style="width: 30px"></th>';
echo '<th>' . __('Channel name', 'twitch-status') . '<p class="description">' . __("Your Twitch channel name", 'twitch-status') . '</p></th>';
echo '<th style="width: 500px">' . __('jQuery selectors', 'twitch-status') . '<p class="description">' . __("<a href=\"http://api.jquery.com/category/selectors/\" target=\"_blank\">jQuery selectors</a> matching the places you want to insert the stream status tags.<br />Enter one selector per line. You can add as much selectors as you want.", 'twitch-status') . '</p></th>';
echo '</tr>';
echo '</thead>';
echo '<tbody>';
$first = true;
foreach ($channels as $channel) {
echo '<tr>';
echo '<td style="width: 30px"><button class="button button-primary" type="button" style="' . ($first ? 'display: none' : '') . '" onclick="twitchStatus_RemoveChannelRow(this)">X</button></td>';
echo '<td><input name="twitch_status_channels[names][]" size="40" type="text" value="' . esc_attr($channel['name']) . '" /></td>';
echo '<td><textarea class="large-text code" name="twitch_status_channels[selectors][]" cols="40" rows="3">' . htmlspecialchars(implode("\n", $channel['selectors'])) . '</textarea></td>';
echo '</tr>';
$first = false;
}
echo '</tbody>';
echo '<tfoot>';
echo '<tr><td colspan="3"><button class="button button-primary" type="button" onclick="twitchStatus_AddChannelRow()">' . __('Add channel', 'twitch-status') . '</button></td></tr>';
echo '</tfoot>';
echo '</table>';
}
/**
* Widget admin form
* @param array $instance
*/
public function form($instance)
{
if (!isset($instance['title'])) {
$instance['title'] = __('Twitch', 'twitch-status');
}
if (!isset($instance['target'])) {
$instance['target'] = 'channel';
}
// Use the first available channel for backward compatibility with v1.1
if (empty($instance['channel'])) {
$instance['channel'] = reset(array_keys(twitch_status_get_channels()));
}
?>
<p>
<label for="<?php
echo $this->get_field_id('title');
?>
"><?php
_e('Title:');
?>
</label>
<input class="widefat" id="<?php
echo $this->get_field_id('title');
?>
" name="<?php
echo $this->get_field_name('title');
?>
" type="text" value="<?php
echo esc_attr($instance['title']);
?>
" />
<label for="<?php
echo $this->get_field_id('channel');
?>
"><?php
_e('Channel:', 'twitch-status');
?>
</label>
<select class="widefat" id="<?php
echo $this->get_field_id('channel');
?>
" name="<?php
echo $this->get_field_name('channel');
?>
">
<?php
foreach (twitch_status_get_channels() as $channel) {
echo '<option value="' . esc_attr($channel['name']) . '"' . ($channel['name'] == $instance['channel'] ? ' selected' : '') . '>' . esc_attr($channel['name']) . '</option>';
}
?>
</select>
<label><?php
echo __("\"Play\" button target", 'twitch-status');
?>
</label><br/>
<input type="radio" name="<?php
echo $this->get_field_name('target');
?>
" id="<?php
echo $this->get_field_id('target_url');
?>
" value="url"<?php
echo @$instance['target'] == 'url' ? ' checked="checked"' : '';
?>
>
<label for="<?php
echo $this->get_field_id('target_url');
?>
"><?php
echo __('URL:', 'twitch-status');
?>
</label>
<input type="text" name="<?php
echo $this->get_field_name('url');
?>
" value="<?php
echo esc_attr(@$instance['url']);
?>
"><br />
<input type="radio" name="<?php
echo $this->get_field_name('target');
?>
" id="<?php
echo $this->get_field_id('target_channel');
?>
" value="channel"<?php
echo @$instance['target'] == 'channel' ? ' checked="checked"' : '';
?>
>
<label for="<?php
echo $this->get_field_id('target_channel');
?>
"><?php
echo __('Your Twitch.tv channel', 'twitch-status');
?>
</label><br />
<input type="radio" name="<?php
echo $this->get_field_name('target');
?>
" id="<?php
echo $this->get_field_id('target_page');
?>
" value="page"<?php
echo @$instance['target'] == 'page' ? ' checked="checked"' : '';
?>
>
<label for="<?php
echo $this->get_field_id('target_page');
?>
"><?php
echo __('Blog page:', 'twitch-status');
?>
</label>
<select name="<?php
echo $this->get_field_name('page');
?>
" id="<?php
echo $this->get_field_id('page');
?>
">
<?php
foreach (get_pages() as $aPage) {
echo '<option value="' . $aPage->ID . '"' . (@$instance['page'] == $aPage->ID ? ' selected' : '') . '>' . htmlspecialchars($aPage->post_title) . '</option>';
}
?>
</select><br />
<input type="checkbox" name="<?php
echo $this->get_field_name('newtab');
?>
" id="<?php
echo $this->get_field_id('newtab');
?>
" value="newtab"<?php
echo @$instance['newtab'] ? ' checked="checked"' : '';
?>
>
<label for="<?php
echo $this->get_field_id('newtab');
?>
"><?php
echo __('Open in a new tab', 'twitch-status');
?>
</label>
</p>
<?php
}
/**
* Retrieve channel and stream data from Twitch.tv
* Called by AJAXaction
* @return void
*/
function twitch_status_get_channel_status_ajax()
{
header('Content-type: application/json; charset=utf-8');
// Fetch stream and channel information from Twitch
$now = time();
$jsonData = array();
foreach (twitch_status_get_channels() as $channelName => $channel) {
$channelName = preg_replace('/[^0-9a-zA-Z_-]/', '', $channelName);
$channelFilename = TWITCH_STATUS_BASE . 'cache/' . $channelName . '-channel.json';
$streamFilename = TWITCH_STATUS_BASE . 'cache/' . $channelName . '-stream.json';
// Update channel information from cache
if ($now - @filemtime($channelFilename) >= 15) {
$rawChannelData = @file_get_contents('https://api.twitch.tv/kraken/channels/' . $channelName);
if (!empty($rawChannelData)) {
file_put_contents($channelFilename, $rawChannelData);
} else {
$rawChannelData = @file_get_contents($channelFilename);
}
} else {
$rawChannelData = @file_get_contents($channelFilename);
}
// Update stream status information from cache
if ($now - @filemtime($streamFilename) >= 15) {
$rawStreamData = @file_get_contents('https://api.twitch.tv/kraken/streams/' . $channelName);
if (!empty($rawStreamData)) {
file_put_contents($streamFilename, $rawStreamData);
} else {
$rawStreamData = @file_get_contents($streamFilename);
}
} else {
$rawStreamData = @file_get_contents($streamFilename);
}
$data = array();
$channelData = @json_decode($rawChannelData, true);
$streamData = @json_decode($rawStreamData, true);
if (!empty($channelData) && !empty($streamData)) {
if (!empty($channelData['error']) || !empty($streamData['error'])) {
$data['status'] = 'error';
} else {
$data['status'] = empty($streamData['stream']) ? 'offline' : 'online';
$data['statusTxt'] = empty($streamData['stream']) ? __('Offline', 'twitch-status') : __('Online', 'twitch-status');
$data['channel'] = $channelData;
$data['stream'] = $streamData['stream'];
$data['playingHTML'] = sprintf(__("%s playing %s", 'twitch-status'), '<a href="http://www.twitch.tv/' . urlencode($channelData['name']) . '/profile" target="_blank">' . htmlspecialchars($channelData['display_name']) . '</a>', '<a href="http://www.twitch.tv/directory/game/' . str_replace('+', ' ', urlencode($channelData['game'])) . '" target="_blank">' . htmlspecialchars($channelData['game']) . '</a>');
}
} else {
$data['status'] = 'error';
}
$jsonData[] = $data;
}
echo json_encode($jsonData);
die;
}