' . "\n";
}
/**
* Show a system messages
*/
function show_message($message) {
echo '' . "\n";
}
/**
* get the thumbnail url to the image
*/
function get_thumbnail_url($imageID, $picturepath = '', $fileName = ''){
// get the complete url to the thumbnail
global $wpdb;
// safety first
$imageID = (int) $imageID;
// get gallery values
if ( empty($fileName) ) {
list($fileName, $picturepath ) = $wpdb->get_row("SELECT p.filename, g.path FROM $wpdb->nggpictures AS p INNER JOIN $wpdb->nggallery AS g ON (p.galleryid = g.gid) WHERE p.pid = '$imageID' ", ARRAY_N);
}
if ( empty($picturepath) ) {
$picturepath = $wpdb->get_var("SELECT g.path FROM $wpdb->nggpictures AS p INNER JOIN $wpdb->nggallery AS g ON (p.galleryid = g.gid) WHERE p.pid = '$imageID' ");
}
// set gallery url
$folder_url = get_option ('siteurl') . '/' . $picturepath.nggGallery::get_thumbnail_folder($picturepath, FALSE);
$thumbnailURL = $folder_url . 'thumbs_' . $fileName;
return $thumbnailURL;
}
/**
* get the complete url to the image
*/
function get_image_url($imageID, $picturepath = '', $fileName = '') {
global $wpdb;
// safety first
$imageID = (int) $imageID;
// get gallery values
if (empty($fileName)) {
list($fileName, $picturepath ) = $wpdb->get_row("SELECT p.filename, g.path FROM $wpdb->nggpictures AS p INNER JOIN $wpdb->nggallery AS g ON (p.galleryid = g.gid) WHERE p.pid = '$imageID' ", ARRAY_N);
}
if (empty($picturepath)) {
$picturepath = $wpdb->get_var("SELECT g.path FROM $wpdb->nggpictures AS p INNER JOIN $wpdb->nggallery AS g ON (p.galleryid = g.gid) WHERE p.pid = '$imageID' ");
}
// set gallery url
$imageURL = get_option ('siteurl') . '/' . $picturepath . '/' . $fileName;
return $imageURL;
}
/**
* nggGallery::get_thumbnail_folder()
*
* @param mixed $gallerypath
* @param bool $include_Abspath
* @return string $foldername
*/
function create_thumbnail_folder($gallerypath, $include_Abspath = TRUE) {
if (!$include_Abspath) {
$gallerypath = WINABSPATH . $gallerypath;
}
if (!file_exists($gallerypath)) {
return FALSE;
}
if (is_dir($gallerypath . '/thumbs/')) {
return '/thumbs/';
}
if (is_admin()) {
if (!is_dir($gallerypath . '/thumbs/')) {
if ( !wp_mkdir_p($gallerypath . '/thumbs/') ) {
if (SAFE_MODE) {
nggAdmin::check_safemode($gallerypath . '/thumbs/');
} else {
nggGallery::show_error(__('Unable to create directory ', 'nggallery') . $gallerypath . '/thumbs !');
}
return FALSE;
}
return '/thumbs/';
}
}
return FALSE;
}
/**
* nggGallery::get_thumbnail_folder()
*
* @param mixed $gallerypath
* @param bool $include_Abspath
* @deprecated use create_thumbnail_folder() if needed;
* @return string $foldername
*/
function get_thumbnail_folder($gallerypath, $include_Abspath = TRUE) {
return nggGallery::create_thumbnail_folder($gallerypath, $include_Abspath);
}
/**
* nggGallery::get_thumbnail_prefix() - obsolete
*
* @param string $gallerypath
* @param bool $include_Abspath
* @deprecated prefix is now fixed to "thumbs_";
* @return string "thumbs_";
*/
function get_thumbnail_prefix($gallerypath, $include_Abspath = TRUE) {
return 'thumbs_';
}
/**
* create the complete navigation
* TODO: shall be moved to another class. This belongs to the view and not to the library.
*
* @param mixed $page
* @param integer $totalElement
* @param integer $maxElement
* @return string pagination content
*/
function create_navigation($page, $totalElement, $maxElement = 0) {
global $nggRewrite;
if ($maxElement > 0) {
$total = $totalElement;
// create navigation
if ( $total > $maxElement ) {
$total_pages = ceil( $total / $maxElement );
$r = '';
if ( 1 < $page ) {
$args['nggpage'] = ( 1 == $page - 1 ) ? FALSE : $page - 1;
$previous = $args['nggpage'];
if (FALSE == $args['nggpage']) {
$previous = 1;
}
$r .= '◄';
}
$total_pages = ceil( $total / $maxElement );
if ( $total_pages > 1 ) {
for ( $page_num = 1; $page_num <= $total_pages; $page_num++ ) {
if ( $page == $page_num ) {
$r .= '' . $page_num . '';
} else {
$p = false;
if ( $page_num < 3 || ( $page_num >= $page - 3 && $page_num <= $page + 3 ) || $page_num > $total_pages - 3 ) {
$args['nggpage'] = ( 1 == $page_num ) ? FALSE : $page_num;
$r .= '' . ( $page_num ) . '';
$in = true;
} elseif ( $in == true ) {
$r .= '...';
$in = false;
}
}
}
}
if ( ( $page ) * $maxElement < $total || -1 == $total ) {
$args['nggpage'] = $page + 1;
$r .= '►';
}
$navigation = "$r
";
} else {
$navigation = ""."\n";
}
}
return $navigation;
}
/**
* nggGallery::get_option() - get the options and overwrite them with custom meta settings
*
* @param string $key
* @return array $options
*/
function get_option($key) {
// get first the options from the database
$options = get_option($key);
// Get all key/value data for the current post.
$meta_array = get_post_custom();
// Ensure that this is a array
if ( !is_array($meta_array) )
$meta_array = array($meta_array);
// assign meta key to db setting key
$meta_tags = array(
'string' => array(
'ngg_gal_ShowOrder' => 'galShowOrder',
'ngg_gal_Sort' => 'galSort',
'ngg_gal_SortDirection' => 'galSortDir',
'ngg_gal_ShowDescription' => 'galShowDesc',
'ngg_ir_Audio' => 'irAudio',
'ngg_ir_Overstretch' => 'irOverstretch',
'ngg_ir_Transition' => 'irTransition',
'ngg_ir_Backcolor' => 'irBackcolor',
'ngg_ir_Frontcolor' => 'irFrontcolor',
'ngg_ir_Lightcolor' => 'irLightcolor'
),
'int' => array(
'ngg_gal_Images' => 'galImages',
'ngg_gal_Columns' => 'galColumns',
'ngg_paged_Galleries' => 'galPagedGalleries',
'ngg_ir_Width' => 'irWidth',
'ngg_ir_Height' => 'irHeight',
'ngg_ir_Rotatetime' => 'irRotatetime'
),
'bool' => array(
'ngg_gal_ShowSlide' => 'galShowSlide',
'ngg_gal_ShowPiclense' => 'usePicLens',
'ngg_gal_ImageBrowser' => 'galImgBrowser',
'ngg_ir_Shuffle' => 'irShuffle',
'ngg_ir_LinkFromDisplay' => 'irLinkfromdisplay',
'ngg_ir_ShowNavigation' => 'irShownavigation',
'ngg_ir_ShowWatermark' => 'irWatermark',
'ngg_ir_Overstretch' => 'irOverstretch',
'ngg_ir_Kenburns' => 'irKenburns'
)
);
foreach ($meta_tags as $typ => $meta_keys){
foreach ($meta_keys as $key => $db_value){
// if the kex exist overwrite it with the custom field
if (array_key_exists($key, $meta_array)){
switch ($typ) {
case 'string':
$options[$db_value] = (string) attribute_escape($meta_array[$key][0]);
break;
case 'int':
$options[$db_value] = (int) $meta_array[$key][0];
break;
case 'bool':
$options[$db_value] = (bool) $meta_array[$key][0];
break;
}
}
}
}
return $options;
}
/**
* nggGallery::scale_image() - Scale down a image
*
* @param mixed $location (filename)
* @param int $maxw - max width
* @param int $maxh - max height
* @return array (width, heigth)
*/
function scale_image($location, $maxw = 0, $maxh = 0){
$img = @getimagesize($location);
if ($img){
$w = $img[0];
$h = $img[1];
$dim = array('w','h');
foreach($dim AS $val) {
$max = "max{$val}";
if(${$val} > ${$max} && ${$max}){
$alt = ($val == 'w') ? 'h' : 'w';
$ratio = ${$alt} / ${$val};
${$val} = ${$max};
${$alt} = ${$val} * $ratio;
}
}
return array( $w, $h );
}
return false;
}
/**
* Renders a section of user display code. The code is first checked for in the current theme display directory
* before defaulting to the plugin
* Call the function : nggGallery::render ('template_name', array ('var1' => $var1, 'var2' => $var2));
*
* @autor John Godley
* @param string $template_name Name of the template file (without extension)
* @param string $vars Array of variable name=>value that is available to the display code (optional)
* @return void
**/
function render($template_name, $vars = array ()) {
foreach ($vars AS $key => $val) {
$$key = $val;
}
if (file_exists (TEMPLATEPATH . "/nggallery/$template_name.php")) {
include (TEMPLATEPATH . "/nggallery/$template_name.php");
} else if (file_exists (NGGALLERY_ABSPATH . "/view/$template_name.php")) {
include (NGGALLERY_ABSPATH . "/view/$template_name.php");
} else {
echo "Rendering of template $template_name.php failed
";
}
}
/**
* Captures an section of user display code.
*
* @autor John Godley
* @param string $template_name Name of the template file (without extension)
* @param string $vars Array of variable name=>value that is available to the display code (optional)
* @return void
**/
function capture ($template_name, $vars = array ()) {
ob_start ();
nggGallery::render ($template_name, $vars);
$output = ob_get_contents ();
ob_end_clean ();
return $output;
}
/**
* nggGallery::graphic_library() - switch between GD and ImageMagick
*
* @return path to the selected library
*/
function graphic_library() {
$ngg_options = get_option('ngg_options');
if ( $ngg_options['graphicLibrary'] == 'im')
return NGGALLERY_ABSPATH . '/lib/imagemagick.inc.php';
else
return NGGALLERY_ABSPATH . '/lib/gd.thumbnail.inc.php';
}
function get_theme_css_file() {
if ( file_exists (STYLESHEETPATH . '/nggallery.css') )
return get_stylesheet_directory_uri() . '/nggallery.css';
else
return false;
}
/**
* Support for i18n with polyglot or qtrans
*
* @param string $in
* @return string $in localized
*/
function i18n($in) {
if ( function_exists( 'langswitch_filter_langs_with_message' ) )
$in = langswitch_filter_langs_with_message($in);
if ( function_exists( 'polyglot_filter' ))
$in = polyglot_filter($in);
if ( function_exists( 'qtrans_useCurrentLanguageIfNotFoundUseDefaultLanguage' ))
$in = qtrans_useCurrentLanguageIfNotFoundUseDefaultLanguage($in);
$in = apply_filters('localization', $in);
return $in;
}
/**
* Check the memory_limit and calculate a recommended memory size
*
* @since V1.2.0
* @return string message about recommended image size
*/
function check_memory_limit() {
if ( (function_exists('memory_get_usage')) && (ini_get('memory_limit')) ) {
// get memory limit
$memory_limit = ini_get('memory_limit');
if ($memory_limit != '')
$memory_limit = substr($memory_limit, 0, -1) * 1024 * 1024;
// calculate the free memory
$freeMemory = $memory_limit - memory_get_usage();
// build the test sizes
$sizes = array();
$sizes[] = array ( 'width' => 800, 'height' => 600);
$sizes[] = array ( 'width' => 1024, 'height' => 768);
$sizes[] = array ( 'width' => 1280, 'height' => 960); // 1MP
$sizes[] = array ( 'width' => 1600, 'height' => 1200); // 2MP
$sizes[] = array ( 'width' => 2016, 'height' => 1512); // 3MP
$sizes[] = array ( 'width' => 2272, 'height' => 1704); // 4MP
$sizes[] = array ( 'width' => 2560, 'height' => 1920); // 5MP
// test the classic sizes
foreach ($sizes as $size){
// very, very rough estimation
if ($freeMemory < round( $size['width'] * $size['height'] * 5.09 )) {
$result = sprintf( __( 'Note : Based on your server memory limit you should not upload larger images then %d x %d pixel', 'nggallery' ), $size['width'], $size['height']);
return $result;
}
}
}
return;
}
}
?>