private function __construct()
{
$success = OnePanelDebug::Track('Starting Language Engine');
// Build the hooks array
self::SetHooks();
$success->Affirm();
}
/**
*
* @param $post
* @return unknown_type
* @todo anything in the html that has dodgy characters in it will make DOM unhappy.
* Probably best to hold back errors.
*/
public static function AutoGenThumbs($post)
{
$tracker = OnePanelDebug::Track('Trying to autogenerate thumbnails.');
// Wordpress is crazy
$post_id = wp_is_post_revision($post);
OnePanelDebug::Info('Post id: ' . $post_id);
// Create thumbnail module object?
OnePanelLib::RequireFileOnce(ONE_PANEL_DIR . '/panel/module.php');
OnePanelLib::RequireFileOnce(ONE_PANEL_DIR . '/panel/feature.php');
OnePanelLib::RequireFileOnce(ONE_PANEL_DIR . '/panel/thumbnails.php');
$thumbnail_feature_object = new Thumbnails();
// Scan the post for images
$dom_doc = new DOMDocument();
@$dom_doc->loadHTML($_POST['content']);
// Grab the first image
$first_image = $dom_doc->getElementsByTagName('img')->item(0);
if (is_null($first_image)) {
OnePanelDebug::Info('No images found in post');
return true;
}
// Get the location of the image
$src = str_replace('"', '', $first_image->getAttribute('src'));
$src = str_replace('\\', '', $src);
// Get the real path
$src = str_replace(get_option('siteurl'), '', $src);
$location = ABSPATH . $src;
$location = str_replace('//', '/', $location);
// Generate
OnePanelDebug::Info('Calling CreateThumbs with ' . $location . ' ' . $post_id);
$thumbnail_feature_object->CreateThumbs($location, $post_id, 'All', false);
// All done
$tracker->Affirm();
return true;
}
/**
* RequireFileOnce
*
* Uses OnePanelDebug and runs a require_once on the file path provided.
*
* @param $file_path
* @return boolean
*/
public static function RequireFileOnce($file_path)
{
$success = OnePanelDebug::Track('Including file: ' . $file_path);
if (file_exists(realpath($file_path))) {
require_once realpath($file_path);
$success->Affirm();
} else {
OnePanelDebug::Error('The file ' . $file_path . ' does not exist');
$success->Fail();
}
return true;
}
/**
* Create Thumbnails
*
* @param str $source_file
* @param int $post_id
* @param str $thumb_to_generate
* @param bool $overwrite_existing
* @return Error string on error, TRUE on success
* @todo this function is ridiculous, chop it up
*/
public function CreateThumbs($source_file, $post_id, $thumb_to_generate, $overwrite_existing = false)
{
// Debug
$success = OnePanelDebug::Track('Creating thumbnails: ' . $thumb_to_generate);
// Get WordPress' uploads data
$wp_uploads_data = wp_upload_dir();
$upload_directory = $wp_uploads_data['path'];
if (is_writable($upload_directory)) {
OnePanelDebug::Info('Upload dir is writable.');
// Figure out how many thumbs we are generating
$actual_thumbs_to_gen = array();
$config_thumbs = OnePanelConfig::GetThumbnailTypes();
if ($config_thumbs == false) {
OnePanelDebug::Info('No additional thumbnail types passed from config.');
}
// Set up catch all.
if ($thumb_to_generate == 'All') {
$actual_thumbs_to_gen[] = 'Thumbnail';
foreach ($config_thumbs as $key => &$thumbnail_type) {
$actual_thumbs_to_gen[] = $thumbnail_type->GetCustomField();
}
} else {
// Just the passed thumbnail type.
// TODO check that the passed ttg is in the config
$actual_thumbs_to_gen[] = $thumb_to_generate;
}
// Create the thumbs we need.
foreach ($actual_thumbs_to_gen as &$custom_field_name) {
// Debug
OnePanelDebug::Info('Attempting to build thumbnail for ' . $custom_field_name);
// Check for an existing thumb
$existing = get_post_meta($post_id, $custom_field_name);
if (empty($existing)) {
$existing = false;
} else {
OnePanelDebug::Info('Thumb already exists ' . ($overwrite_existing ? 'attempting overwrite' : 'skipping'));
}
// Dont do anything if overwrite is off and theres an existing thumb
if ($existing != false && $overwrite_existing == false) {
continue;
}
// Dims are set differently for the standard thumbnails
if ($custom_field_name == 'Thumbnail') {
$default_thumbnail_dims = OnePanelConfig::GetThumbnailSize();
$width = $default_thumbnail_dims['Width'];
$height = $default_thumbnail_dims['Height'];
}
// Get the dims for this thumbnail type and try and resize it
foreach ($config_thumbs as $key => &$config_thumb) {
if ($config_thumb->GetCustomField() == $custom_field_name) {
$width = $config_thumb->GetWidth();
$height = $config_thumb->GetHeight();
}
}
// Can we create the resized image?
OnePanelDebug::Info('Attempting to create thumbnail ' . $source_file . ' ' . $width . 'x' . $height);
$new_thumbnail_path = image_resize($source_file, $width, $height, true);
// TODO this really shouldnt be here, if this is a html returning function
if (is_wp_error($new_thumbnail_path) || $new_thumbnail_path == false) {
if (is_wp_error($new_thumbnail_path)) {
OnePanelDebug::Error($new_thumbnail_path->get_error_message());
}
OnePanelDebug::Error('Unable to create thumbnail, moving to next iteration.');
$error = '<div class="popup_no_results"><div class="module_error_stroke">One Panel could not resize the image for ' . $custom_field_name . '. <a href="javascript:;" onclick="op_admin.Thumbnails.SwitchMode(\'tool\')">Please try another.</a></div></div>';
continue;
} else {
OnePanelDebug::Info('Thumbnail created successfully with path ' . $new_thumbnail_path);
}
// Get the url for the one we just created
$new_thumbnail_url = str_replace(ABSPATH, get_option('siteurl') . '/', $new_thumbnail_path);
// Add the custom field to the post
if ($existing && $overwrite_existing == true) {
delete_post_meta($post_id, $custom_field_name);
}
add_post_meta($post_id, $custom_field_name, $new_thumbnail_url);
OnePanelDebug::Info('Custom field added with' . $new_thumbnail_url);
}
// Prepare the return value
if (isset($error)) {
$return = $error;
} else {
$return = true;
}
} else {
// Upload path is not writable
$return = '<div class="popup_no_results"><div class="module_error_stroke">The image path is not currently writable. Please chmod the directory first.</div></div>';
}
$success->Affirm();
return $return;
}
/**
* FeatureIsEnabled
*
* Determine whether a feature is enabled.
*
* @param string $feature_name
* @return boolean
*/
public static function FeatureIsEnabled($feature_name)
{
$success = OnePanelDebug::Track('Checking if feature [' . $feature_name . '] is enabled');
if (!is_array(self::$features_enabled)) {
self::$features_enabled = array();
}
if (in_array($feature_name, self::$features_enabled)) {
OnePanelDebug::Info('Feature is enabled');
$success->Affirm();
return true;
} else {
OnePanelDebug::Info('Feature is not enabled');
$success->Affirm();
return false;
}
}
/**
* Data Upgrade Available
*
* A quick test to see whether the user data is out of date.
*
* @uses assumes that if opdata[0] exists, so does the data version info
* @return bool
*/
private function DataUpgradeAvailable()
{
// Debug
$track = OnePanelDebug::Track('Checking for possible data upgrades');
// Dont run if there isnt any data.
if (empty(self::$operational_data)) {
OnePanelDebug::Info('No operational data yet, aborting upgrade attempt.');
$track->Affirm();
return false;
}
// Check for corruption in the operational data.
if (!isset(self::$operational_data[0]['data_version_date'])) {
// Throw an error, anomaly detected
OnePanelDebug::Error('Checking for upgrades on corrupted data - missing data_version.');
$track->Fail();
return false;
} else {
// Check the data against the version date constant
if (ONE_PANEL_VERSION_DATE > (int) self::$operational_data[0]['data_version_date']) {
OnePanelDebug::Info('Upgrade required.');
$track->Affirm();
return true;
} else {
OnePanelDebug::Info('No upgrade required.');
$track->Affirm();
return false;
}
}
}
