what-did-they-say/classes/WhatDidTheySayAdmin.php

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<?php
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/**
* Administrative functions for What Did They Say?!?
*/
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class WhatDidTheySayAdmin {
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var $default_options = array(
'languages' => array(
array('code' => 'en', 'default' => true),
'fr',
'es',
'it',
'de'
),
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'capabilities' => array(
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'submit_transcriptions' => 'administrator',
'approve_transcriptions' => 'administrator',
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'change_languages' => 'administrator'
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),
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'load_default_styles' => true,
'excerpt_distance' => 30
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);
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var $capabilities = array();
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var $language_file;
var $all_languages = array();
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var $notices = array();
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var $is_ajax = false;
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/**
* Initialize the admin interface.
* @param WhatDidTheySay $what_did_they_say The WhatDidTheySay object to use for all transcript transactions.
*/
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function WhatDidTheySayAdmin() {
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$this->language_file = dirname(__FILE__) . '/../data/lsr-language.txt';
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}
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/**
* Initialize the object.
*/
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function init() {
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$this->capabilities = array(
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'submit_transcriptions' => __('Submit transcriptions to a post', 'what-did-they-say'),
'approve_transcriptions' => __('Approve transcriptions to a post', 'what-did-they-say'),
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'change_languages' => __('Change the available languages', 'what-did-they-say')
);
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$options = get_option('what-did-they-say-options');
if (!is_array($options)) {
$options = $this->default_options;
update_option('what-did-they-say-options', $options);
}
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add_action('admin_menu', array(&$this, 'admin_menu'));
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add_action('admin_notices', array(&$this, 'admin_notices'));
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add_filter('user_has_cap', array(&$this, 'user_has_cap'), 5, 3);
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add_filter('the_media_transcript', array(&$this, 'the_media_transcript'), 10, 2);
add_filter('the_language_name', array(&$this, 'the_language_name'), 10, 2);
add_filter('the_matching_transcript_excerpts', array(&$this, 'the_matching_transcript_excerpts'), 10, 3);
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add_filter('template_redirect', array(&$this, 'template_redirect'));
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add_filter('posts_where', array(&$this, 'posts_where'));
add_filter('posts_join', array(&$this, 'posts_join'));
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if (isset($_REQUEST['wdts'])) {
if (isset($_REQUEST['wdts']['_nonce'])) {
if (wp_verify_nonce($_REQUEST['wdts']['_nonce'], 'what-did-they-say')) {
$this->handle_update($_REQUEST['wdts']);
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if ($this->is_ajax) { exit(0); }
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}
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}
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}
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}
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function posts_where($where) {
global $wpdb;
$search = get_query_var('s');
if (!empty($search)) {
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$query = $wpdb->prepare(" OR ($wpdb->postmeta.meta_key = %s ", 'approved_transcripts_words');
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$search = addslashes_gpc($search);
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$query .= " AND $wpdb->postmeta.meta_value LIKE '%$search%') ";
$exact = get_query_var('exact');
$n = !empty($exact) ? '' : '%';
$where = preg_replace("#(\($wpdb->posts.post_title LIKE '{$n}{$search}{$n}'\))#", '\1' . $query, $where);
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}
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return $where;
}
function posts_join($join) {
global $wpdb;
$search = get_query_var('s');
if (!empty($search)) {
$join .= " JOIN $wpdb->postmeta ON ($wpdb->posts.ID = $wpdb->postmeta.post_id) ";
}
return $join;
}
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function template_redirect() {
wp_enqueue_script('toggle-transcript', plugin_dir_url(dirname(__FILE__)) . 'js/toggle-transcript.js', array('prototype'), false, true);
if (current_user_can('submit_transcriptions')) { wp_enqueue_script('scriptaculous-effects'); }
foreach (get_class_methods($this) as $method) {
if (strpos($method, "shortcode_") === 0) {
$shortcode_name = str_replace("_", "-", str_replace("shortcode_", "", $method));
add_shortcode($shortcode_name, array(&$this, $method));
}
}
add_filter('filter_shortcode_dialog', array(&$this, 'filter_shortcode_dialog'), 10, 4);
add_filter('filter_shortcode_scene_action', array(&$this, 'filter_shortcode_scene_action'), 10, 2);
add_filter('filter_shortcode_scene_heading', array(&$this, 'filter_shortcode_scene_heading'), 10, 2);
$options = get_option('what-did-they-say-options');
if (!empty($options['load_default_styles'])) {
wp_enqueue_style('wdts-defaults', plugin_dir_url(dirname(__FILE__)) . 'css/wdts-defaults.css');
}
}
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function shortcode_dialog($atts, $speech) {
extract(shortcode_atts(array(
'name' => 'Nobody',
'direction' => ''
), $atts));
list($content) = apply_filters('filter_shortcode_dialog', "", $name, $direction, $speech);
return $content;
}
function filter_shortcode_dialog($content, $name, $direction, $speech) {
$content = '<div class="dialog"><span class="name">' . $name . '</span>';
if (!empty($direction)) {
$content .= ' <span class="direction">' . $direction . '</span>';
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}
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$content .= ' <span class="speech">' . $speech . '</span></div>';
return array($content, $name, $direction, $speech);
}
function shortcode_scene_action($atts, $description) {
extract(shortcode_atts(array(), $atts));
list($content) = apply_filters('filter_shortcode_scene_action', "", $description);
return $content;
}
function filter_shortcode_scene_action($content, $description) {
return array('<div class="scene-action">' . $description . '</div>', $description);
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}
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function shortcode_scene_heading($atts, $description) {
extract(shortcode_atts(array(), $atts));
list($content) = apply_filters('filter_shortcode_scene_heading', "", $description);
return $content;
}
function filter_shortcode_scene_heading($content, $description) {
return array('<div class="scene-heading">' . $description . '</div>', $description);
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}
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/**
* Handle the_media_transcript filter.
* @param string $transcript The transcription text.
* @return string The processed transcription text.
*/
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function the_media_transcript($transcript, $output = "") {
return array($transcript, '<div class="transcript">' . do_shortcode($transcript) . '</div>');
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}
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/**
* Handle the_language_name filter.
* @param string $language The name of the language.
* @return string The processed language name.
*/
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function the_language_name($language, $output = "") {
return array($language, '<h3 class="transcript-language">' . $language . '</h3>');
}
function the_matching_transcript_excerpts($transcripts, $search_string = '', $output = "") {
var_dump($search_string);
ob_start();
if (!empty($search_string)) {
$language_options = new WDTSLanguageOptions();
$options = get_option('what-did-they-say-options');
foreach ($transcripts as $transcript) {
if (($pos = strpos($transcript['transcript'], $search_string)) !== false) {
$l = strlen($transcript['transcript']) - 1;
echo '<div class="transcript-match">';
echo '<h4>' . sprintf(__("%s transcript:", 'what-did-they-say'), $language_options->get_language_name($transcript['language'])) . '</h4>';
echo '<p>';
$start_ellipsis = $end_ellipsis = true;
foreach (array(
'start' => -1,
'end' => 1
) as $variable => $direction) {
${$variable} = $pos + ($options['excerpt_distance'] * $direction);
if (${$variable} < 0) { ${$variable} = 0; $start_ellipsis = false; }
if (${$variable} > $l) { ${$variable} = $l; $end_ellipsis = false; }
}
$output = "";
if ($start_ellipsis) { $output .= "... "; }
$output .= str_replace($search_string, "<strong>" . $search_string . "</strong>", $transcript['transcript']);
if ($end_ellipsis) { $output .= " ..."; }
echo $output;
echo '</p>';
echo '</div>';
}
}
}
return array($transcripts, $search_string, ob_get_clean());
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}
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/**
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* Handle the user_has_cap filter.
* @param array $capabilities The capabilities the user already has.
* @param array $requested_capabilities The capabilities requested by current_user_can.
* @param object $capability_name
* @return array The list of capabilities this user now has.
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*/
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function user_has_cap($capabilities, $requested_capabilities, $capability_name) {
$options = get_option('what-did-they-say-options');
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if (is_array($options)) {
$role_cascade = array('administrator', 'editor', 'author', 'contributor', 'subscriber');
$allowed_roles = array();
$capture_roles = false;
for ($i = 0; $i < count($role_cascade); ++$i) {
if (in_array($role_cascade, $capabilities)) { $capture_roles = true; }
if ($capture_roles) { $allowed_roles[] = $role_cascade[$i]; }
}
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foreach ($requested_capabilities as $requested_capability) {
if (in_array($options['capabilities'][$requested_capability], $allowed_roles)) {
$capabilities[$requested_capability] = true;
}
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}
}
return $capabilities;
}
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/**
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* Handle show_admin action.
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*/
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function admin_notices() {
if (!empty($this->notices)) {
echo '<div class="updated fade">';
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foreach ($this->notices as $notice) { echo "<p>" . $notice . "</p>"; }
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echo '</div>';
}
}
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/**
* Handle an update to options.
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* @param array $info The part of the $_POST array for What Did They Say?!?
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*/
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function handle_update($info) {
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if (isset($info['module'])) {
$method_name = "handle_update_" . str_replace("-", "_", $info['module']);
if (method_exists($this, $method_name)) {
$result = $this->{$method_name}($info);
if (!empty($result)) { $this->notices[] = $result; }
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}
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}
}
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/**
* Handle updates to queued transcripts.
* @param array $info The part of the $_POST array for What Did They Say?!?
* @return string|false A string if a message is to be displayed, or false if no message.
*/
function handle_update_queue_transcript($info) {
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$updated = false;
if (current_user_can('submit_transcriptions')) {
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$transcript_options = new WDTSTranscriptOptions($info['post_id']);
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if ($transcript_options->are_new_transcripts_allowed()) {
$queued_transcript_manager = new WDTSQueuedTranscript($info['post_id']);
if ($queued_transcript_manager->save_transcript($info)) {
$updated = __('Transcript added to queue.', 'what-did-they-say');
} else {
$updated = __('Transcript not added to queue.', 'what-did-they-say');
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}
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}
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}
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return $updated;
}
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/**
* Handle updates to post transcripts.
* @param array $info The part of the $_POST array for What Did They Say?!?
* @return string|false A string if a message is to be displayed, or false if no message.
*/
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function handle_update_manage_post_transcripts($info) {
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$updated = false;
if (current_user_can('approve_transcriptions')) {
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$approved_transcript_manager = new WDTSApprovedTranscript($info['post_id']);
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foreach ($info['transcripts'] as $language => $transcript) {
$approved_transcript_manager->save_transcript(array(
'language' => $language,
'transcript' => $transcript
));
}
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$transcript_options = new WDTSTranscriptOptions($info['post_id']);
$transcript_options->set_allow_transcripts(isset($info['allow_on_post']));
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$queued_transcript_manager = new WDTSQueuedTranscript($info['post_id']);
$queued_transcripts = $queued_transcript_manager->get_transcripts();
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if (is_array($queued_transcriptions)) {
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$transcripts_to_delete = array();
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foreach ($queued_transcriptions as $transcription) { $transcripts_to_delete[$transcription->id] = true; }
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if (isset($info['queue'])) {
foreach ($info['queue'] as $id => $keep) { unset($transcripts_to_delete[$id]); }
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}
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foreach (array_keys($transcripts_to_delete) as $id) { $queued_transcripts->delete_transcript($id); }
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}
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$updated = __('Transcripts updated.', 'what-did-they-say');
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}
return $updated;
}
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function handle_update_approve_transcript($info) {
$this->is_ajax = true;
if (current_user_can('approve_transcriptions')) {
$approved_transcript_manager = new WDTSApprovedTranscript($info['post_id']);
$queued_transcript_manager = new WDTSQueuedTranscript($info['post_id']);
if (($transcript = $queued_transcript_manager->delete_transcript_by_key($info['key'])) !== false) {
$approved_transcript_manager->save_transcript($transcript);
return;
}
header('HTTP/1.1 500 Internal Server Error');
return;
}
header('HTTP/1.1 401 Unauthorized');
}
function handle_update_delete_transcript($info) {
$this->is_ajax = true;
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if (current_user_can('approve_transcriptions')) {
$queued_transcript_manager = new WDTSQueuedTranscript($info['post_id']);
if (($transcript = $queued_transcript_manager->delete_transcript_by_key($info['key'])) !== false) {
return;
}
header('HTTP/1.1 500 Internal Server Error');
return;
}
header('HTTP/1.1 401 Unauthorized');
}
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function handle_update_styles($info) {
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$updated = false;
if (current_user_can('edit_themes')) {
$options = get_option('what-did-they-say-options');
$options['load_default_styles'] = isset($info['default_styles']);
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$options['excerpt_distance'] = !empty($info['excerpt_distance']) ? $info['excerpt_distance'] : 30;
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update_option('what-did-they-say-options', $options);
$updated = __('Default styles option updated.', 'what-did-they-say');
}
return $updated;
}
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/**
* Handle updates to languages.
* @param array $info The part of the $_POST array for What Did They Say?!?
* @return string|false A string if a message is to be displayed, or false if no message.
*/
function handle_update_languages($info) {
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$updated = false;
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if (current_user_can('change_languages')) {
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$language_options = new WDTSLanguageOptions();
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switch ($info['action']) {
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case "delete":
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if ($result = $language_options->delete_language($info['code'])) {
$updated = sprintf(__('%s deleted.', 'what-did-they-say'), $result['name']);
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} else {
$updated = sprintf(__('Language not deleted!', 'what-did-they-say'));
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}
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break;
case "add":
$this->read_language_file();
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if (isset($this->all_languages[$info['code']])) {
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if ($language_options->add_language($info['code'], array('name' => $this->all_languages[$info['code']]))) {
$updated = sprintf(__('%s added.', 'what-did-they-say'), $this->all_languages[$info['code']]);
} else {
$updated = sprintf(__('Language not added!', 'what-did-they-say'));
}
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}
break;
case "default":
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if ($language_options->set_default_language($info['code'])) {
$updated = sprintf(__('%s set as default.', 'what-did-they-say'), $language_options->get_language_name($info['code']));
} else {
$updated = sprintf(__('Language not set as default!', 'what-did-they-say'));
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}
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break;
case "rename":
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$original_language_name = $language_options->get_language_name($info['code']);
if ($language_options->rename_language($info['code'], $info['name'])) {
$updated = sprintf(__('%1$s renamed to %2$s.', 'what-did-they-say'), $original_language_name, $info['name']);
} else {
$updated = sprintf(__('Language not renamed!', 'what-did-they-say'));
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}
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break;
}
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}
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return $updated;
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}
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/**
* Handle updates to user capabilities.
* @param array $info The part of the $_POST array for What Did They Say?!?
* @return string|false A string if a message is to be displayed, or false if no message.
*/
function handle_update_capabilities($info) {
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$updated = false;
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if (current_user_can('edit_users')) {
$options = get_option('what-did-they-say-options');
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if (isset($info['capabilities'])) {
foreach (array_keys($this->default_options['capabilities']) as $capability) {
if (isset($info['capabilities'][$capability])) {
$options['capabilities'][$capability] = $info['capabilities'][$capability];
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}
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}
$updated = __('User capabilities updated.', 'what-did-they-say');
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}
if ($updated !== false) {
update_option('what-did-they-say-options', $options);
}
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}
return $updated;
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}
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/**
* Handle resettings what-did-they-say-options.
* @param array $info The part of the $_POST array for What Did They Say?!?
* @return string|false A string if a message is to be displayed, or false if no message.
*/
function handle_update_reset_options($info) {
$updated = false;
if (current_user_can('manage_options')) {
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delete_option('what-did-they-say-options');
$this->install();
$updated = __('<strong>What Did They Say?!?</strong> options reset.', 'what-did-they-say');
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}
return $updated;
}
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/**
* Read a data file containing all the known languages on Earth.
* The data originally came from http://www.langtag.net/, specifically http://www.langtag.net/registries/lsr-language.txt.
* The data file format is tab-delimited, with the following fields:
* language_code date_added name_of_language additional_information
* @return array The list of all known languages on Earth as code => language.
*/
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function read_language_file() {
if (file_exists($this->language_file)) {
foreach (file($this->language_file) as $language) {
$language = trim($language);
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list($code, $date_added, $name) = explode("\t", $language);
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$this->all_languages[$code] = $name;
}
}
return $this->all_languages;
}
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/**
* Handle plugin installation.
*/
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function install() {
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$this->read_language_file();
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$options = get_option('what-did-they-say-options');
if (empty($options)) {
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$this->default_options['languages'] = $this->build_default_languages();
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ksort($this->default_options['languages']);
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update_option('what-did-they-say-options', $this->default_options);
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}
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}
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/**
* From $this->default_options, fill in the language details from the language file.
* @return array The language info will all details filled in.
*/
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function build_default_languages() {
$full_default_language_info = array();
foreach ($this->default_options['languages'] as $info) {
$code = null;
if (is_string($info)) {
$code = $info;
$default = false;
}
if (is_array($info)) {
extract($info);
}
if (isset($this->all_languages[$code])) {
$full_default_language_info[$code] = array('name' => $this->all_languages[$code]);
if (!empty($default)) {
$full_default_language_info[$code]['default'] = true;
}
}
}
return $full_default_language_info;
}
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/**
* Handle admin_menu action.
*/
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function admin_menu() {
global $plugin_page;
if (current_user_can('submit_transcriptions')) {
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add_options_page(
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__('What Did They Say?!?', 'what-did-they-say'),
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__('What Did They Say?!?', 'what-did-they-say'),
'manage_options',
'manage-wdts',
array(&$this, 'manage_admin')
);
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if ($plugin_page == "manage-wdts") {
$this->read_language_file();
wp_enqueue_style('wdts-admin', plugin_dir_url(dirname(__FILE__)) . 'css/wdts-admin.css');
}
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wp_enqueue_script('scriptaculous-effects');
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}
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if (current_user_can('approve_transcriptions')) {
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add_meta_box(
'manage-transcriptions',
__('Manage Transcriptions', 'what-did-they-say'),
array(&$this, 'manage_transcriptions_meta_box'),
'post',
'normal',
'low'
);
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wp_enqueue_script('scriptaculous-effects');
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}
}
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/**
* Show the admin page.
*/
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function manage_admin() {
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$options = get_option('what-did-they-say-options');
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$nonce = wp_create_nonce('what-did-they-say');
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include(dirname(__FILE__) . '/admin.inc');
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}
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/**
* Show the Manage Transcriptions meta box.
*/
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function manage_transcriptions_meta_box() {
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global $post;
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$options = get_option('what-did-they-say-options');
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foreach (array('Approved', 'Queued') as $name) {
$var_name = strtolower($name);
$class_name = "WDTS${name}Transcript";
${"${var_name}_transcript_manager"} = new $class_name($post->ID);
${"${var_name}_transcripts"} = ${"${var_name}_transcript_manager"}->get_transcripts();
}
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$transcript_options = new WDTSTranscriptOptions($post->ID);
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$nonce = wp_create_nonce('what-did-they-say');
include(dirname(__FILE__) . '/meta-box.inc');
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}
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}
?>