/**
* Outputs the Fancybox popup code.
*
* @param array $params
* @param object $smarty
* @return string
*/
function smarty_fancybox($params, &$smarty)
{
global $PIVOTX;
// If we've set the hidden config option for 'never_jquery', just return without doing anything.
if ($PIVOTX['config']->get('never_jquery') == 1) {
debug("JQuery is disabled by the 'never_jquery' config option. FancyBox won't work.");
return;
}
$params = cleanParams($params);
$filename = $params['file'];
$thumbname = getDefault($params['description'], "(thumbnail)");
$org_thumbname = $thumbname;
$alt = $params['alt'];
$title = $params['title'];
$align = getDefault($params['align'], "center");
// rel_id can be used to specify your own prefix; all fancybox images with the same prefix will become a gallery
$rel_id = getDefault($params['rel_id'], "entry-");
// fb_type can be used to specify the type of the fancybox
// image (default) - selfexplanatory
// youtube - creates an embedded object with the youtube link (use url for that)
$fb_type = getDefault($params['fb_type'], "image");
$width = getDefault($params['width'], "560");
$height = getDefault($params['height'], "340");
$objwidth = getDefault($params['objwidth'], "0");
$objheight = getDefault($params['objheight'], "0");
$maxthumb = getDefault($params['specthumbmax'], "0");
$txtcol = getDefault($params['txtcol'], "black");
$txtcolbg = getDefault($params['txtcolbg'], "white");
$txtcls = getDefault($params['txtcls'], "pivotx-popupimage");
// this one can be used together with fb_type="youtube" and "vimeo"
// !! structure should be like explained on youtube e.g. http://www.youtube.com/v/MOVID
// or for vimeo: http://www.vimeo.com/moogaloop.swf?clip_id=CLIPID
// it's better to just use movid to specify youtube or clipid for vimeo
// url can also be used for fb type="iframe" or "flash"
$url = $params['url'];
$url = strip_tags($url);
$movid = $params['movid'];
$text = getDefault($params['text'], "Specify your text in parm 'text'.");
// $border = getDefault($params['border'], 0);
$imgw = getDefault($PIVOTX['config']->get('upload_thumb_width'), 200);
$imgh = getDefault($PIVOTX['config']->get('upload_thumb_height'), 200);
$uplbasepath = $PIVOTX['paths']['upload_base_path'];
// Config option 'fancybox_thumbnail' can be added and used as default for thumbnail behaviour
// 1 = always make sure the dimensions of the img tag are the same irrelevant of current thumbnail size
// (this means that when thumbnail gets created the upload width/height settings are used)
// 2 = if thumbnail already exists always use its dimensions for the img tag (default)
// 3 = if thumbnail exists and doesn't adhere to current width/height setting recreate it
$fbthumb = getDefault($PIVOTX['config']->get('fancybox_thumbnail'), 2);
$fbthumb = getDefault($params['thumbbehav'], $fbthumb);
// debug("fb info: '$filename'-'$thumbname'-'$title'-'$alt'-'$align'-'$fb_type'");
if ($align == 'center' || $align == 'inline') {
$fbclass = 'pivotx-popupimage';
$txclass = 'pivotx-popuptext';
} else {
$fbclass = 'pivotx-popupimage align-' . $align;
$txclass = 'pivotx-popuptext align-' . $align;
}
// Get the UID for the page or entry
$vars = $smarty->get_template_vars();
$uid = intval($vars['uid']);
if (empty($alt)) {
$alt = $filename;
}
if ($objwidth == "0") {
$objwidth = $width;
}
if ($objheight == "0") {
$objheight = $height;
}
// Fix Thumbname, perhaps use a thumbname, instead of textual link
// and try to fill both alt and title if still empty
if ($thumbname == "(thumbnail)") {
if (empty($filename)) {
debug("No filename specified for thumbnail to process");
} else {
$thumbname = makeThumbname($filename);
// If thumbnail exists and option 3 is chosen then check the dimensions for possible recreation
$recreate = 0;
if (file_exists($PIVOTX['paths']['upload_base_path'] . $thumbname) && $fbthumb == 3) {
list($thumbw, $thumbh) = getimagesize($uplbasepath . $thumbname);
//debug("dimensions of thumbnail: " . $thumbw . "/" . $thumbh);
//debug("imgw/h: " . $imgw . "/" . $imgh);
//debug("maxthumb: " . $maxthumb);
if ($maxthumb > 0) {
// specthumbmax specified: calculate the right values (useful for vertical images)
if ($thumbw > $thumbh) {
$imgh = round($thumbh * ($maxthumb / $thumbw));
$imgw = $maxthumb;
} else {
$imgw = round($thumbw * ($maxthumb / $thumbh));
$imgh = $maxthumb;
}
}
if ($thumbw != $imgw || $thumbh != $imgh) {
$recreate = 1;
//debug("thumb will be recreated");
}
}
// If the thumbnail does not exist and extension is jpg or png then try to create it
// gif could be problematic so don't try it here......
// filename could contain a subdir! this part is removed by auto_thumbnail
// so save it through specifying a folder var
if (!file_exists($PIVOTX['paths']['upload_base_path'] . $thumbname) || $recreate == 1) {
$ext = strtolower(getExtension($filename));
if ($ext == "jpeg" || $ext == "jpg" || $ext == "png") {
require_once $PIVOTX['paths']['pivotx_path'] . 'modules/module_imagefunctions.php';
$folder = $PIVOTX['paths']['upload_base_path'];
$dirpart = dirname($filename);
$basename = basename($filename);
$action = "Fancybox";
if ($dirpart != "" && $dirpart != ".") {
$folder = $folder . $dirpart . "/";
}
if (!auto_thumbnail($basename, $folder, $action, $maxthumb)) {
debug("Failed to create thumbnail for " . $filename);
}
} else {
debug("Unable to create thumbnail for this extension " . $filename);
}
}
}
}
if (empty($alt)) {
$alt = $thumbname;
}
if (empty($title)) {
$title = $alt;
}
// special string "null" to get rid of any title/alt
if ($title == "null" || $alt == "null") {
$title = "";
$alt = "";
}
// Clean title and alternative text before using in generated html
$title = cleanAttributes($title);
$alt = cleanAttributes($alt);
// If the thumbnail exists, make the HTML for it, else just use the text for a link.
// use the current settings for uploadwidth/height because thumb can have diff.size
if (file_exists($PIVOTX['paths']['upload_base_path'] . $thumbname)) {
$ext = strtolower(getExtension($thumbname));
if ($ext == "jpg" || $ext == "jpeg" || $ext == "gif" || $ext == "png") {
// get image dimensions
list($thumbw, $thumbh) = getimagesize($uplbasepath . $thumbname);
if ($maxthumb > 0) {
// specthumbmax specified: calculate the right values (useful for vertical images)
if ($thumbw > $thumbh) {
$imgh = round($thumbh * ($maxthumb / $thumbw));
$imgw = $maxthumb;
} else {
$imgw = round($thumbw * ($maxthumb / $thumbh));
$imgh = $maxthumb;
}
}
// thumbnail behaviour 2: always use the dimensions of the found thumbnail
if ($fbthumb == 2) {
$imgw = $thumbw;
$imgh = $thumbh;
//debug("dimensions of found thumb used: " . $thumbw . "/" . $thumbh);
}
// if parms width or height have been specified they should be used!
if (isset($params['width'])) {
$imgw = $width;
}
if (isset($params['height'])) {
$imgh = $height;
}
$thumbname = sprintf("<img src=\"%s%s\" alt=\"%s\" title=\"%s\" class=\"%s\" width=\"%s\" height=\"%s\" />", $PIVOTX['paths']['upload_base_url'], $thumbname, $alt, $title, $fbclass, $imgw, $imgh);
} else {
$thumbname = $org_thumbname;
}
} else {
$thumbname = $org_thumbname;
}
// pack text in aligned paragraph (thumbname has been unchanged by the above)
if ($thumbname == $org_thumbname) {
if (strlen($org_thumbname) < 2) {
$org_thumbname = "popup";
}
$thumbname = sprintf("<span class=\"%s\">%s</span>", $txclass, $org_thumbname);
}
// Prepare the HMTL for the link to the popup..
// fb_type image
if ($fb_type == 'image') {
if (file_exists($PIVOTX['paths']['upload_base_path'] . $filename)) {
$filename = $PIVOTX['paths']['upload_base_url'] . $filename;
$code = sprintf("<a href=\"%s\" class=\"fancybox\" title=\"%s\" rel=\"%s%s\" >%s</a>", $filename, $title, $rel_id, $uid, $thumbname);
if ('center' == $align) {
$code = '<p class="pivotx-wrapper">' . $code . '</p>';
}
} else {
debug("Rendering error: could not popup '{$filename}'. File does not exist.");
$code = "<!-- Rendering error: could not popup '{$filename}'. File does not exist. -->";
}
} else {
if ($fb_type == 'youtube' || $fb_type == "vimeo") {
// filename is not mandatory so fix an empty one with dummy string so code gets returned
if (empty($filename)) {
$filename = '==fbdummy==';
}
// use random number to be fairly sure that constructed href will be unique
// if by chance the number is the same then movie shown (when clicked) will be the first one
// this is because a gallery of movies is not possible yet
// uploadwidth/height is not used here because default youtube images are smaller
$randnum = rand();
if (empty($movid) && empty($url)) {
debug("Popup type youtube/vimeo needs either a 'movid' or a fully qualified 'url' parm!");
}
$movstart = 0;
if (empty($movid)) {
$movthumb = formatFilename($url);
$movthumb = str_replace('watch?v=', '', $movthumb);
$movtime = '';
// link contains time parm? &t=
if (strpos($movthumb, "&t=")) {
$timepos = strpos($movthumb, "&t=");
$movtime = substr($movthumb, $timepos + 3);
$movthumb = substr($movthumb, 0, $timepos);
}
// short link supplied with time parm?
if (strpos($movthumb, "?t=")) {
$timepos = strpos($movthumb, "?t=");
$movtime = substr($movthumb, $timepos + 3);
$movthumb = substr($movthumb, 0, $timepos);
}
// calculate the amount of seconds to supply to the player
if ($movtime != '') {
$movh = 0;
$movm = 0;
$movs = 0;
$hpos = strpos($movtime, "h");
if ($hpos) {
$movh = substr($movtime, 0, $hpos);
$movtime = substr($movtime, $hpos + 1);
}
$mpos = strpos($movtime, "m");
if ($mpos) {
$movm = substr($movtime, 0, $mpos);
$movtime = substr($movtime, $mpos + 1);
}
$spos = strpos($movtime, "s");
if ($spos) {
$movs = substr($movtime, 0, $spos);
$movtime = substr($movtime, $spos + 1);
}
if (is_numeric($movh)) {
$movstart = $movh * 3600;
}
if (is_numeric($movm)) {
$movstart = $movstart + $movm * 60;
}
if (is_numeric($movs)) {
$movstart = $movstart + $movs;
}
}
// formatFilename replaces underscore by space -- undo this
$movthumb = str_replace(' ', '_', $movthumb);
if ($fb_type == "vimeo") {
// possible formats: http://www.vimeo.com/moogaloop.swf?clip_id=6566857
// http://www.vimeo.com/5324878
$pos = strpos($url, "clip_id=");
if ($pos !== false) {
$pos = $pos + 8;
$movthumb = substr($url, $pos);
} else {
$pos = strpos($url, "vimeo.com/");
if ($pos !== false) {
$pos = $pos + 10;
$movthumb = substr($url, $pos);
// if this format is received rewrite it to embed format
$url = "http://www.vimeo.com/moogaloop.swf?clip_id=" . $movthumb;
}
}
}
} else {
$movthumb = $movid;
}
if ($fb_type == "youtube") {
$urlthumb = "http://i2.ytimg.com/vi/" . $movthumb . "/default.jpg";
} else {
if ($fb_type == "vimeo") {
$urlvimphp = "http://vimeo.com/api/v2/video/" . $movthumb . ".php";
$vimeocontents = @file_get_contents($urlvimphp);
$thumbcontents = @unserialize(trim($vimeocontents));
$urlthumb = $thumbcontents[0][thumbnail_small];
if (empty($urlthumb)) {
$urlthumb = $thumbcontents[0][user_thumbnail_small];
}
}
}
$code = sprintf("<a href=\"#%s%s\" class=\"fancytube\" title=\"%s\" rel=\"%s%s\" ><img src=\"%s\" class=\"%s\" alt=\"%s\" /></a>", $rel_id, $randnum, $title, $rel_id, $uid, $urlthumb, $fbclass, $alt);
// some extra options for youtube (end with ampersand)
// for explanation see http://code.google.com/intl/nl/apis/youtube/player_parameters.html
// hl = language
// autoplay: 1 = autoplay; 0 = click to play
// rel = play related videos (0 = no)
// fs = fullscreen allowed
// options for vimeo just found by browsing through Google
if (empty($movid)) {
$urlmain = str_replace('watch?v=', 'v/', $url);
$urlmain = str_replace('/embed/', '/v/', $urlmain);
// convert a short link to a long one otherwise it won't work (if parms were in link they are now gone)
// also if time parm was found the link needs to be reformatted to obligatory format
if (strpos($urlmain, "//youtu.be/") || $movstart != 0) {
$urlmain = "http://www.youtube.com/v/" . $movthumb;
}
$urlid = "";
} else {
if ($fb_type == "youtube") {
$urlmain = "http://www.youtube.com/v/";
$urlid = $movid;
} else {
if ($fb_type == "vimeo") {
$urlmain = "http://www.vimeo.com/moogaloop.swf?clip_id=";
$urlid = $movid;
}
}
}
if ($fb_type == "youtube") {
$urlextra = "&hl=en&autoplay=1&rel=0&fs=1&start=" . $movstart;
} else {
if ($fb_type == "vimeo") {
$urlextra = "&server=vimeo.com&autoplay=1&fullscreen=1&show_title=1&show_byline=0&show_portrait=0";
}
}
$anchor_obj = sprintf("<span style=\"display: none\"><span id=\"%s%s\" ><object type=\"application/x-shockwave-flash\" data=\"%s%s%s\" width=\"%s\" height=\"%s\"><param name=\"movie\" value=\"%s%s%s\"></param><param name=\"allowFullScreen\" value=\"true\"></param><param name=\"allowscriptaccess\" value=\"always\"></param></object></span></span>", $rel_id, $randnum, $urlmain, $urlid, $urlextra, $objwidth, $objheight, $urlmain, $urlid, $urlextra);
$code = $code . $anchor_obj;
if ('center' == $align) {
$code = '<p class="pivotx-wrapper">' . $code . '</p>';
}
} else {
if ($fb_type == 'text') {
// filename is not mandatory so fix an empty one with dummy string so code gets returned
if (empty($filename)) {
$filename = '==fbdummy==';
}
// use random number to be fairly sure that constructed href will be unique
// if by chance the number is the same then text shown (when clicked) will be the first one
// also use this random number to construct a unique rel because grouping results
// in array-reverse errors and crashing of the webpage when scrolling with the mouse!
$randnum = rand();
$code = sprintf("<a href=\"#%s%s\" class=\"fancytext\" title=\"%s\" rel=\"%s%s%s\" >%s</a>", $rel_id, $randnum, $title, $rel_id, $uid, $randnum, $thumbname);
$textbegin = substr($text, 0, 5);
$textrest = substr($text, 5);
if ($textbegin !== "file:") {
$lines = $text;
} else {
$docfile = $PIVOTX['paths']['pivotx_path'] . "docs/" . $textrest;
if (file_exists($docfile) && is_readable($docfile) && ($handle = fopen($docfile, 'r'))) {
$lines = fread($handle, filesize($docfile));
fclose($handle);
} else {
debug("Specified file cannot be found or read:'{$docfile}'");
}
}
// check whether the lines contain html.
// If there are the popup will still function but with visible elements
// better use iframe for text with html
if (strlen($lines) != strlen(strip_tags($lines))) {
debug("Popup: '{$rel_id}{$randnum}' contains HTML elements.");
debug("A text popup should only contain plain text.");
debug("Try using fb_type iframe with an url pointing to a saved file instead.");
}
// couldn't get it to work correctly with an object (kept on forcing its own default size)
// just specifying a span had the same result; can't use div and so on because pop-up
// can be within an open paragraph
// so switched to textarea (which is more customisable anyway); cols and rows are there for valid html
$anchor_obj = sprintf("<span style=\"display: none\"><span id=\"%s%s\"><textarea class=\"%s\" style=\"width: %s; height: %s; overflow: auto; color: %s; background-color: %s\" readonly=\"readonly\" cols=\"\" rows=\"\">%s</textarea></span></span>", $rel_id, $randnum, $txtcls, $objwidth, $objheight, $txtcol, $txtcolbg, $lines);
$code = $code . $anchor_obj;
if ('center' == $align) {
$code = '<p class="pivotx-wrapper">' . $code . '</p>';
}
} else {
if ($fb_type == 'iframe') {
// filename is not mandatory so fix an empty one with dummy string so code gets returned
if (empty($filename)) {
$filename = '==fbdummy==';
}
// use random number to be fairly sure that constructed rel will be unique
// if by chance the number is the same then iframe will open but clicking
// in the frame itself will be impossible
$randnum = rand();
$code = sprintf("<a href=\"%s\" class=\"fancyframe\" title=\"%s\" rel=\"%s%s%s\" >%s</a>", $url, $title, $rel_id, $uid, $randnum, $thumbname);
if ('center' == $align) {
$code = '<p class="pivotx-wrapper">' . $code . '</p>';
}
} else {
if ($fb_type == 'flash') {
// filename is not mandatory so fix an empty one with dummy string so code gets returned
if (empty($filename)) {
$filename = '==fbdummy==';
}
// use random number to be fairly sure that constructed rel will be unique
// if by chance the number is the same then flash will open but clicking
// in the window itself will be impossible
$randnum = rand();
$code = sprintf("<a href=\"%s\" class=\"fancyflash\" title=\"%s\" rel=\"%s%s%s\" >%s</a>", $url, $title, $rel_id, $uid, $randnum, $thumbname);
if ('center' == $align) {
$code = '<p class="pivotx-wrapper">' . $code . '</p>';
}
}
}
}
}
}
$PIVOTX['extensions']->addHook('after_parse', 'callback', 'fancyboxIncludeCallback');
// not every type uses parm file so var filename gets a dummy value in those types
if (!empty($filename)) {
return $code;
} else {
return "";
}
}
/**
* Creates a thumbnail using the GD library.
*
* Currently only JPEG and PNG is supported (in the GD library).
*
* @param string $imagename
* @return boolean
*/
function auto_thumbnail($imagename, $folder = '', $action = 'upload', $maxsize = '0')
{
global $PIVOTX;
// If we can't create thumbnails locally or we haven't enabled "Automatic Thumbnails",
// we don't automatically make a thumbnail..
// Action not Upload --> other function trying to create a thumb so disregard upload_autothumb
if (!$PIVOTX['image']['local'] || $action == 'upload' && !$PIVOTX['config']->get('upload_autothumb')) {
return FALSE;
}
$ext = strtolower(getExtension($imagename));
if ($ext == "jpeg") {
$ext = "jpg";
}
$thumbname = makeThumbname(basename($imagename));
if ($folder == '') {
$folder = $PIVOTX['paths']['upload_path'];
}
$filename = $folder . $imagename;
$thumbfilename = $folder . $thumbname;
$width = $PIVOTX['image']['mw'];
$height = $PIVOTX['image']['mh'];
// We are current only handling JPEG and PNG.
if ($ext == "jpg") {
$src = ImageCreateFromJPEG($filename);
} elseif ($ext == "png") {
$src = ImageCreateFromPNG($filename);
} else {
debug("Can not auto create thumb for " . basename($filename) . " - unsupported extension.");
return FALSE;
}
list($curwidth, $curheight) = getimagesize($filename);
// When Fancybox calls and maxsize is specified then maxthumb was specified in FB
if ($action == 'Fancybox' && $maxsize != '0') {
if ($curwidth > $curheight) {
$height = round($curheight * ($maxsize / $curwidth));
$width = $maxsize;
} else {
$width = round($curwidth * ($maxsize / $curheight));
$height = $maxsize;
}
}
$scale = min($curheight / $height, $curwidth / $width);
if (function_exists('ImageCreateTrueColor')) {
$dst = ImageCreateTrueColor($width, $height);
} else {
$dst = ImageCreate($width, $height);
}
$startx = $width / 2 - $curwidth / 2 / $scale;
$endx = $width / 2 + $curwidth / 2 / $scale - $startx;
$starty = $height / 2 - $curheight / 2 / $scale;
$endy = $height / 2 + $curheight / 2 / $scale - $starty;
ImageCopyResampled($dst, $src, $startx, $starty, 0, 0, $endx, $endy, $curwidth, $curheight);
if ($ext == "jpg") {
ImageJPEG($dst, $thumbfilename, $PIVOTX['image']['qual']);
} elseif ($ext == "png") {
ImagePNG($dst, $thumbfilename, $PIVOTX['image']['qual']);
}
chmodFile($thumbfilename);
ImageDestroy($src);
ImageDestroy($dst);
return TRUE;
}
/**
* Smarty tag to insert a popup to an image..
*
* First we check if we can use Jquery and whether extensions/thickbox/ is
* present. If so, we use Thickbox. If not, we use the 'old style' popup.
*
* @param array $params
* @param object $smarty
*/
function smarty_popup($params, &$smarty)
{
global $PIVOTX;
$params = cleanParams($params);
$filename = $params['file'];
$thumbname = $params['description'];
$org_thumbname = $params['description'];
$alt = cleanAttributes($params['alt']);
$align = getDefault($params['align'], "center");
// $border = getDefault($params['border'], 0); -- border is deprecated
$vars = $smarty->get_template_vars();
$entry = $vars['entry'];
// Fix Thumbname, perhaps use a thumbname, instead of textual link
if (empty($thumbname) || $thumbname == "(thumbnail)") {
$thumbname = makeThumbname($filename);
}
// If the thumbnail exists, make the HTML for it, else just use the text for a link.
if (file_exists($PIVOTX['paths']['upload_base_path'] . $thumbname)) {
$ext = strtolower(getExtension($thumbname));
if (in_array($ext, array('gif', 'jpg', 'jpeg', 'png'))) {
if ($align == "center") {
$thumbname = sprintf("<img src=\"%s%s\" alt=\"%s\" title=\"%s\" class='pivotx-popupimage'/>", $PIVOTX['paths']['upload_base_url'], $thumbname, $alt, $alt);
} else {
$thumbname = sprintf("<img src=\"%s%s\" alt=\"%s\" title=\"%s\" class='pivotx-popupimage align-%s'/>", $PIVOTX['paths']['upload_base_url'], $thumbname, $alt, $alt, $align);
}
} else {
$thumbname = $org_thumbname;
}
} else {
if (strlen($org_thumbname) > 2) {
$thumbname = $org_thumbname;
} else {
$thumbname = "popup";
}
}
// Prepare the HMTL for the link to the popup..
if (file_exists($PIVOTX['paths']['upload_base_path'] . $filename)) {
$filename = $PIVOTX['paths']['upload_base_url'] . $filename;
$code = sprintf("<a href='%s' class=\"thickbox\" title=\"%s\" rel=\"entry-%s\" >%s</a>", $filename, $alt, intval($entry['code']), $thumbname);
if ('center' == $align) {
$code = '<div class="pivotx-wrapper">' . $code . '</div>';
}
} else {
debug("Rendering error: could not popup '{$filename}'. File does not exist.");
$code = "<!-- Rendering error: could not popup '{$filename}'. File does not exist. -->";
}
// If the hook for the thickbox includes in the header was not yet
// installed, do so now..
$PIVOTX['extensions']->addHook('after_parse', 'callback', 'thickboxIncludeCallback');
return $code;
}
function Attributes($n, $w, $h, $x, $y, $link)
{
$this->Image($n, $w, $h, $x, $y, $type, $link);
$this->ext = getExtension($this->name);
if ($this->ext != '') {
$this->new_name = makeThumbname($_GET['image']);
$this->org_name = $_GET['image'];
} else {
printf(__("Error creating thumbnail for %s - no file extension found."), $this->name);
die;
}
}
