/**
* encode a sequence of HTML tags, or plain text, to PDF
*
* @param string the text to append
* @return the content of PDF
* @see articles/fetch_as_pdf.php
*/
function encode($text)
{
global $context;
//
// meta information
//
// encode it to iso8859 -- sorry
// document title
if ($context['page_title']) {
$this->SetTitle(utf8::to_iso8859(Safe::html_entity_decode($context['page_title'], ENT_COMPAT, 'ISO-8859-15')));
}
// document author
if ($context['page_author']) {
$this->SetAuthor(utf8::to_iso8859(Safe::html_entity_decode($context['page_author'], ENT_COMPAT, 'ISO-8859-15')));
}
// document subject
if ($context['subject']) {
$this->SetSubject(utf8::to_iso8859(Safe::html_entity_decode($context['subject'], ENT_COMPAT, 'ISO-8859-15')));
}
// document creator (typically, the tool used to produce the document)
$this->SetCreator('yacs');
//
// PDF content
//
// start the rendering engine
$this->AliasNbPages();
$this->AddPage();
$this->SetFont('Arial', 'B', 16);
// reference view.php instead of ourself to achieve correct links
$text = str_replace('/fetch_as_pdf.php', '/view.php', $text);
// remove all unsupported tags
$text = strip_tags($text, "<a><b><blockquote><br><code><div><em><font><h1><h2><h3><h4><hr><i><img><li><p><pre><strong><table><tr><tt><u><ul>");
// spaces instead of carriage returns
$text = str_replace("\n", ' ', $text);
// transcode to ISO8859-15 characters
$text = utf8::to_iso8859(Safe::html_entity_decode($text, ENT_COMPAT, 'ISO-8859-15'));
// locate every HTML/XML tag
$areas = preg_split('/<(.*)>/U', $text, -1, PREG_SPLIT_DELIM_CAPTURE);
$height = 5;
$link = '';
foreach ($areas as $index => $entity) {
// a tag entity
if ($index % 2) {
@(list($tag, $attributes) = explode(' ', $entity, 2));
switch (strtolower($tag)) {
case 'a':
if (preg_match('/href="(.*)"/i', $attributes, $matches)) {
$link = $matches[1];
// suppress local references (eg, in table of content)
if (preg_match('/(#.*)/', $link)) {
$link = '';
} elseif ($link[0] == '/') {
$link = $context['url_to_home'] . $link;
}
}
break;
case 'b':
$this->SetFont('', 'B');
break;
case '/b':
$this->SetFont('', '');
break;
case 'blockquote':
$this->Ln($height);
break;
case '/blockquote':
$this->Ln($height);
break;
case 'br':
$this->Ln($height);
break;
case 'code':
$this->SetFont('Courier', '', 11);
$this->SetFontSize(11);
break;
case '/code':
$this->SetFont('Times', '', 12);
$this->SetFontSize(12);
break;
case 'div':
case '/div':
$this->Ln($height);
break;
case 'em':
$this->SetFont('', 'I');
break;
case '/em':
$this->SetFont('', '');
break;
case 'font':
if (preg_match('/color="#(.{6})"/i', $attributes, $matches)) {
$color = $matches[1];
$r = hexdec($color[0] . $color[1]);
$g = hexdec($color[2] . $color[3]);
$b = hexdec($color[4] . $color[5]);
$this->SetTextColor($r, $g, $b);
}
break;
case 'font':
$this->SetFont('Times', '', 12);
$this->SetTextColor(0, 0, 0);
$this->SetFontSize(12);
break;
case 'h1':
$this->Ln(10);
$this->SetTextColor(150, 0, 0);
$this->SetFontSize(22);
$height = 8;
break;
case 'h2':
$this->Ln(8);
$this->SetFontSize(18);
$height = 6;
break;
case 'h3':
$this->Ln(6);
$this->SetFontSize(16);
$height = 5;
break;
case 'h4':
$this->Ln(6);
$this->SetTextColor(102, 0, 0);
$this->SetFontSize(14);
$height = 5;
break;
case '/h1':
case '/h2':
case '/h3':
case '/h4':
$this->Ln($height);
$this->SetFont('Times', '', 12);
$this->SetTextColor(0, 0, 0);
$this->SetFontSize(12);
$height = 5;
break;
case 'hr':
$this->Ln($height + 2);
$this->Line($this->GetX(), $this->GetY(), $this->GetX() + 187, $this->GetY());
$this->Ln(3);
break;
case 'i':
$this->SetFont('', 'I');
break;
case '/i':
$this->SetFont('', '');
break;
case 'img':
// only accept JPG and PNG
if (preg_match('/src="([^"]+\\.(jpg|jpeg|png))"/i', $attributes, $matches)) {
$image = $matches[1];
// map on a file
$image = preg_replace('/^' . preg_quote($context['url_to_home'] . $context['url_to_root'], '/') . '/', $context['path_to_root'], $image);
// include the image only if the file exists
if ($attributes = Safe::GetImageSize($image)) {
// insert an image at 72 dpi -- the k factor
$this->Image($image, $this->GetX(), $this->GetY(), $attributes[0] / $this->k, $attributes[1] / $this->k);
// make room for the image
$this->y += 3 + $attributes[1] / $this->k;
}
}
break;
case 'li':
$this->Ln($height);
break;
case '/li':
break;
case 'p':
case '/p':
$this->Ln($height);
break;
case 'pre':
$this->SetFont('Courier', '', 11);
$this->SetFontSize(11);
$preformatted = TRUE;
break;
case '/pre':
$this->SetFont('Times', '', 12);
$this->SetFontSize(12);
$preformatted = FALSE;
break;
case 'strong':
$this->SetFont('', 'B');
break;
case '/strong':
$this->SetFont('', '');
break;
case 'table':
$this->Ln($height);
break;
case '/table':
$this->Ln($height);
break;
case 'tr':
$this->Ln($height + 2);
$this->Line($this->GetX(), $this->GetY(), $this->GetX() + 187, $this->GetY());
$this->Ln(3);
break;
case 'tt':
$this->SetFont('Courier', '', 11);
$this->SetFontSize(11);
break;
case '/tt':
$this->SetFont('Times', '', 12);
$this->SetFontSize(12);
break;
case 'u':
$this->SetFont('', 'U');
break;
case '/u':
$this->SetFont('', '');
break;
case 'ul':
break;
case '/ul':
break;
}
// a textual entity
} else {
// we have to write a link
if ($link) {
// a blue underlined link
$this->SetTextColor(0, 0, 255);
$this->SetFont('', 'U');
$this->Write($height, $entity, $link);
$link = '';
$this->SetTextColor(0, 0, 0);
$this->SetFont('', '');
// regular text
} else {
$this->Write($height, $entity);
}
}
}
// return the PDF content as a string
return $this->Output('dummy', 'S');
}
/**
* process one uploaded image
*
* @param string file name
* @param string path to the file
* @param boolean TRUE to not report on errors
* @return boolean TRUE on correct processing, FALSE otherwise
*/
public static function upload($file_name, $file_path, $silent = FALSE)
{
global $context, $_REQUEST;
// we accept only valid images
if (!($image_information = Safe::GetImageSize($file_path . $file_name))) {
if (!$silent) {
Logger::error(sprintf(i18n::s('No image information in %s'), $file_path . $file_name));
}
return FALSE;
// we accept only gif, jpeg and png
} elseif ($image_information[2] != 1 && $image_information[2] != 2 && $image_information[2] != 3) {
if (!$silent) {
Logger::error(sprintf(i18n::s('Rejected file type %s'), $file_name));
}
return FALSE;
// post-upload processing
} else {
// create folders
$_REQUEST['thumbnail_name'] = 'thumbs/' . $file_name;
// derive a thumbnail image
if (isset($_REQUEST['action']) && $_REQUEST['action'] == 'set_as_avatar') {
Image::shrink($file_path . $file_name, $file_path . $_REQUEST['thumbnail_name'], TRUE, TRUE);
} else {
Image::shrink($file_path . $file_name, $file_path . $_REQUEST['thumbnail_name'], FALSE, TRUE);
}
// always limit the size of avatar images
if (isset($_REQUEST['action']) && $_REQUEST['action'] == 'set_as_avatar') {
if (Image::adjust($file_path . $file_name, TRUE, 'avatar')) {
$_REQUEST['image_size'] = Safe::filesize($file_path . $file_name);
}
// always limit the size of icon images
} elseif (isset($_REQUEST['action']) && $_REQUEST['action'] == 'set_as_icon') {
if (Image::adjust($file_path . $file_name, TRUE, 'avatar')) {
$_REQUEST['image_size'] = Safe::filesize($file_path . $file_name);
}
// resize the image where applicable
} elseif (isset($_REQUEST['automatic_process'])) {
if (Image::adjust($file_path . $file_name, TRUE, 'standard')) {
$_REQUEST['image_size'] = Safe::filesize($file_path . $file_name);
}
}
return TRUE;
}
}
/**
* list articles
*
* @param resource the SQL result
* @return string the rendered text
*
* @see layouts/layout.php
**/
function layout($result)
{
global $context;
// we return some text
$text = '';
// empty list
if (!SQL::count($result)) {
return $text;
}
// sanity check
if (!isset($this->focus)) {
$this->focus = 'map';
}
// put in cache
$cache_id = Cache::hash('articles/layout_articles_as_carrousel:' . $this->focus) . '.xml';
// save for one minute
if (!file_exists($context['path_to_root'] . $cache_id) || filemtime($context['path_to_root'] . $cache_id) + 60 < time()) {
// content of the slideshow
$content = '<?xml version="1.0" encoding="utf-8"?><!-- fhShow Carousel 2.0 configuration file Please visit http://www.flshow.net/ -->' . "\n" . '<slide_show>' . "\n" . ' <options>' . "\n" . ' <debug>false</debug> <!-- true, false -->' . "\n" . ' <background>transparent</background> <!-- #RRGGBB, transparent -->' . "\n" . ' <friction>5</friction> <!-- [1,100] -->' . "\n" . ' <fullscreen>false</fullscreen> <!-- true, false -->' . "\n" . ' <margins>' . "\n" . ' <top>0</top> <!-- [-1000,1000] pixels -->' . "\n" . ' <left>0</left> <!-- [-1000,1000] pixels -->' . "\n" . ' <bottom>0</bottom> <!-- [-1000,1000] pixels -->' . "\n" . ' <right>0</right> <!-- [-1000,1000] pixels -->' . "\n" . ' <horizontal_ratio>20%</horizontal_ratio> <!-- [1,50] a photo may occupy at most horizontalRatio percent of the Carousel width -->' . "\n" . ' <vertical_ratio>90%</vertical_ratio> <!-- [1,100] a photo may occupy at most verticalRatio percent of the Carousel height -->' . "\n" . ' </margins>' . "\n" . ' <interaction>' . "\n" . ' <rotation>mouse</rotation> <!-- auto, mouse, keyboard -->' . "\n" . ' <view_point>none</view_point> <!-- none, mouse, keyboard -->' . "\n" . ' <speed>15</speed> <!-- [-360,360] degrees per second -->' . "\n" . ' <default_speed>15</default_speed> <!-- [-360,360] degrees per second -->' . "\n" . ' <default_view_point>20%</default_view_point> <!-- [0,100] percentage -->' . "\n" . ' <reset_delay>20</reset_delay> <!-- [0,600] seconds, 0 means never reset -->' . "\n" . ' </interaction>' . "\n" . ' <far_photos>' . "\n" . ' <size>50%</size> <!-- [0,100] percentage -->' . "\n" . ' <amount>50%</amount> <!-- [0,100] percentage -->' . "\n" . ' <blur>10</blur> <!-- [0,100] amount -->' . "\n" . ' <blur_quality>3</blur_quality> <!-- [1,3] 1=low - 3=high -->' . "\n" . ' </far_photos>' . "\n" . ' <reflection>' . "\n" . ' <amount>25</amount> <!-- [0,1000] pixels -->' . "\n" . ' <blur>2</blur> <!-- [0,100] blur amount -->' . "\n" . ' <distance>0</distance> <!-- [-1000,1000] pixels -->' . "\n" . ' <alpha>40%</alpha> <!-- [0,100] percentage -->' . "\n" . ' </reflection>' . "\n" . ' <titles>' . "\n" . ' <style>font-size: 14px; font-family: Verdana, _serif; color: #000000;</style>' . "\n" . ' <position>above center</position> <!-- [above, below] [left,center,right]-->' . "\n" . ' <background>' . $context['url_to_home'] . $context['url_to_root'] . 'skins/_reference/layouts/carrousel_bubble.png</background> <!-- image url -->' . "\n" . ' <scale9>35 35 35 35</scale9> <!-- [0,1000] pixels -->' . "\n" . ' <padding>8 15 10 15</padding> <!-- [-1000,1000] pixels -->' . "\n" . ' </titles>' . "\n" . ' </options>' . "\n";
// get a default image
if (Safe::GetImageSize($context['path_to_root'] . $context['skin'] . '/layouts/map.gif')) {
$default_href = $context['url_to_root'] . $context['skin'] . '/layouts/map.gif';
} elseif ($size = Safe::GetImageSize($context['path_to_root'] . 'skins/_reference/layouts/map.gif')) {
$default_href = $context['url_to_root'] . 'skins/_reference/layouts/map.gif';
} else {
$default_href = NULL;
}
// process all items in the list
while ($item = SQL::fetch($result)) {
// get the related overlay
$overlay = Overlay::load($item, 'article:' . $item['id']);
// get the anchor
$anchor = Anchors::get($item['anchor']);
// this is visual
if (isset($item['icon_url']) && $item['icon_url']) {
$image = $item['icon_url'];
} elseif (isset($item['thumbnail_url']) && $item['thumbnail_url']) {
$image = $item['thumbnail_url'];
} elseif (is_callable(array($anchor, 'get_bullet_url')) && ($image = $anchor->get_bullet_url())) {
} elseif ($default_href) {
$image = $default_href;
} else {
continue;
}
// fix relative path
if (!preg_match('/^(\\/|http:|https:|ftp:)/', $image)) {
$image = $context['url_to_home'] . $context['url_to_root'] . $image;
}
// build a title
if (is_object($overlay)) {
$title = Codes::beautify_title($overlay->get_text('title', $item));
} else {
$title = Codes::beautify_title($item['title']);
}
// the url to view this item
$url = Articles::get_permalink($item);
// add to the list
$content .= ' <photo>' . "\n" . ' <title>' . $title . '</title>' . "\n" . ' <src>' . $image . '</src>' . "\n" . ' <href>' . $url . '</href>' . "\n" . ' <target>_self</target>' . "\n" . ' </photo>' . "\n";
}
// finalize slideshow content
$content .= '</slide_show>';
// put in cache
Safe::file_put_contents($cache_id, $content);
}
// allow multiple instances
static $count;
if (!isset($count)) {
$count = 1;
} else {
$count++;
}
// load the right file
$text = '<div id="articles_as_carrousel_' . $count . '"></div>' . "\n";
Page::insert_script('swfobject.embedSWF("' . $context['url_to_home'] . $context['url_to_root'] . 'included/browser/carrousel.swf",' . "\n" . '"articles_as_carrousel_' . $count . '",' . "\n" . '"100%",' . "\n" . '"150",' . "\n" . '"9.0.0",' . "\n" . 'false,' . "\n" . '{xmlfile:"' . $context['url_to_home'] . $context['url_to_root'] . $cache_id . '", loaderColor:"0x666666"},' . "\n" . '{wmode: "transparent"},' . "\n" . '{});' . "\n");
// end of processing
SQL::free($result);
return $text;
}
/**
* get a <img> element
*
* @param the type ('suggestion', etc.')
* @return a suitable HTML element
*
* @see skins/skin_skeleton.php
*/
public static function get_img($type)
{
global $context;
switch ($type) {
// approval
case 'approval':
// use skin declaration if any
if (!defined('APPROVAL_IMG')) {
// else use default image file
$file = 'skins/_reference/comments/yes.gif';
if ($size = Safe::GetImageSize($context['path_to_root'] . $file)) {
define('APPROVAL_IMG', '<img src="' . $context['url_to_root'] . $file . '" ' . $size[3] . ' alt="" />');
} else {
define('APPROVAL_IMG', '');
}
}
return APPROVAL_IMG;
// it's worth the reading
// it's worth the reading
case 'attention':
case 'default':
default:
// use skin declaration if any
if (!defined('ATTENTION_IMG')) {
// else use default image file
$file = 'skins/_reference/comments/attention.gif';
if ($size = Safe::GetImageSize($context['path_to_root'] . $file)) {
define('ATTENTION_IMG', '<img src="' . $context['url_to_root'] . $file . '" ' . $size[3] . ' alt="" />');
} else {
define('ATTENTION_IMG', '');
}
}
return ATTENTION_IMG;
// denial
// denial
case 'denial':
// use skin declaration if any
if (!defined('DENIAL_IMG')) {
// else use default image file
$file = 'skins/_reference/comments/no.gif';
if ($size = Safe::GetImageSize($context['path_to_root'] . $file)) {
define('DENIAL_IMG', '<img src="' . $context['url_to_root'] . $file . '" ' . $size[3] . ' alt="" />');
} else {
define('DENIAL_IMG', '');
}
}
return DENIAL_IMG;
// job has been completed
// job has been completed
case 'done':
// use skin declaration if any
if (!defined('DONE_IMG')) {
// else use default image file
$file = 'skins/_reference/comments/done.gif';
if ($size = Safe::GetImageSize($context['path_to_root'] . $file)) {
define('DONE_IMG', '<img src="' . $context['url_to_root'] . $file . '" ' . $size[3] . ' alt="" />');
} else {
define('DONE_IMG', '');
}
}
return DONE_IMG;
// to submit a new suggestion
// to submit a new suggestion
case 'idea':
case 'suggestion':
//-- legacy keyword
// use skin declaration if any
if (!defined('IDEA_IMG')) {
// else use default image file
$file = 'skins/_reference/comments/idea.gif';
if ($size = Safe::GetImageSize($context['path_to_root'] . $file)) {
define('IDEA_IMG', '<img src="' . $context['url_to_root'] . $file . '" ' . $size[3] . ' alt="" />');
} else {
define('IDEA_IMG', '');
}
}
return IDEA_IMG;
// manual or automatic notification
// manual or automatic notification
case 'information':
case 'notification':
// use skin declaration if any
if (!defined('INFORMATION_IMG')) {
// else use default image file
$file = 'skins/_reference/comments/information.gif';
if ($size = Safe::GetImageSize($context['path_to_root'] . $file)) {
define('INFORMATION_IMG', '<img src="' . $context['url_to_root'] . $file . '" ' . $size[3] . ' alt="" />');
} else {
define('INFORMATION_IMG', '');
}
}
return INFORMATION_IMG;
// please help
// please help
case 'question':
// use skin declaration if any
if (!defined('QUESTION_IMG')) {
// else use default image file
$file = 'skins/_reference/comments/question.gif';
if ($size = Safe::GetImageSize($context['path_to_root'] . $file)) {
define('QUESTION_IMG', '<img src="' . $context['url_to_root'] . $file . '" ' . $size[3] . ' alt="" />');
} else {
define('QUESTION_IMG', '');
}
}
return QUESTION_IMG;
// I dislike it
// I dislike it
case 'thumbs_down':
case 'dislike':
//-- legacy keyword
// use skin declaration if any
if (!defined('THUMBS_DOWN_IMG')) {
// else use default image file
$file = 'skins/_reference/comments/thumbs_down.gif';
if ($size = Safe::GetImageSize($context['path_to_root'] . $file)) {
define('THUMBS_DOWN_IMG', '<img src="' . $context['url_to_root'] . $file . '" ' . $size[3] . ' alt="" />');
} else {
define('THUMBS_DOWN_IMG', '');
}
}
return THUMBS_DOWN_IMG;
// I like it
// I like it
case 'thumbs_up':
case 'like':
//-- legacy keyword
// use skin declaration if any
if (!defined('THUMBS_UP_IMG')) {
// else use default image file
$file = 'skins/_reference/comments/thumbs_up.gif';
if ($size = Safe::GetImageSize($context['path_to_root'] . $file)) {
define('THUMBS_UP_IMG', '<img src="' . $context['url_to_root'] . $file . '" ' . $size[3] . ' alt="" />');
} else {
define('THUMBS_UP_IMG', '');
}
}
return THUMBS_UP_IMG;
// you should take care
// you should take care
case 'warning':
// use skin declaration if any
if (!defined('WARNING_IMG')) {
// else use default image file
$file = 'skins/_reference/comments/warning.gif';
if ($size = Safe::GetImageSize($context['path_to_root'] . $file)) {
define('WARNING_IMG', '<img src="' . $context['url_to_root'] . $file . '" ' . $size[3] . ' alt="" />');
} else {
define('WARNING_IMG', '');
}
}
return WARNING_IMG;
}
}
/**
* create a referenced image
*
* @param array of entity attributes (e.g., 'Content-Disposition')
* @param string image actual content
* @param array poster attributes
* @param string the target anchor (e.g., 'article:123')
* @param string reference of the object to be extended, if any
* @return string reference to the created object, or NULL
*/
public static function submit_image($entity_headers, $content, $user, $anchor, $target = NULL)
{
global $context;
// retrieve queue parameters
list($server, $account, $password, $allowed, $match, $section, $options, $hooks, $prefix, $suffix) = $context['mail_queue'];
// locate content-disposition
foreach ($entity_headers as $header) {
if (preg_match('/Content-Disposition/i', $header['name'])) {
$content_disposition = $header['value'];
break;
}
}
// find file name in content-disposition
$file_name = '';
if ($content_disposition && preg_match('/filename="*([a-zA-Z0-9\'\\(\\)\\+_,-\\.\\/:=\\? ]+)"*\\s*/i', $content_disposition, $matches)) {
$file_name = $matches[1];
}
// as an alternative, look in content-type
if (!$file_name) {
// locate content-type
foreach ($entity_headers as $header) {
if (preg_match('/Content-Type/i', $header['name'])) {
$content_type = $header['value'];
break;
}
}
// find file name in content-type
if ($content_type && preg_match('/name="*([a-zA-Z0-9\'\\(\\)\\+_,-\\.\\/:=\\? ]+)"*\\s*/i', $content_type, $matches)) {
$file_name = $matches[1];
}
}
// as an alternative, look in content-description
if (!$file_name) {
// locate content-description
foreach ($entity_headers as $header) {
if (preg_match('/Content-Description/i', $header['name'])) {
$content_description = $header['value'];
break;
}
}
// find file name in content-description
$file_name = $content_description;
}
// sanity check
if (!$file_name) {
Logger::remember('agents/messages.php: No file name to use for submitted image');
return NULL;
}
// file size
$file_size = strlen($content);
// sanity check
if ($file_size < 7) {
Logger::remember('agents/messages.php: Short image skipped', $file_name);
return NULL;
}
// sanity check
if (!$anchor) {
Logger::remember('agents/messages.php: No anchor to use for submitted image', $file_name);
return NULL;
}
// get anchor data -- this is a mutable object
$host = Anchors::get($anchor, TRUE);
if (!is_object($host)) {
Logger::remember('agents/messages.php: Unknown anchor ' . $anchor, $file_name);
return NULL;
}
// create target folders
$file_path = Files::get_path($anchor, 'images');
if (!Safe::make_path($file_path)) {
Logger::remember('agents/messages.php: Impossible to create ' . $file_path);
return NULL;
}
if (!Safe::make_path($file_path . '/thumbs')) {
Logger::remember('agents/messages.php: Impossible to create ' . $file_path . '/thumbs');
return NULL;
}
$file_path = $context['path_to_root'] . $file_path . '/';
// save the entity in the file system
if (!($file = Safe::fopen($file_path . $file_name, 'wb'))) {
Logger::remember('agents/messages.php: Impossible to open ' . $file_path . $file_name);
return NULL;
}
if (fwrite($file, $content) === FALSE) {
Logger::remember('agents/messages.php: Impossible to write to ' . $file_path . $file_name);
return NULL;
}
fclose($file);
// get image information
if (!($image_information = Safe::GetImageSize($file_path . $file_name))) {
Safe::unlink($file_path . $file_name);
Logger::remember('agents/messages.php: No image information in ' . $file_path . $file_name);
return NULL;
}
// we accept only gif, jpeg and png
if ($image_information[2] != 1 && $image_information[2] != 2 && $image_information[2] != 3) {
Safe::unlink($file_path . $file_name);
Logger::remember('agents/messages.php: Rejected image type for ' . $file_path . $file_name);
return NULL;
}
// build a thumbnail
$thumbnail_name = 'thumbs/' . $file_name;
// do not stop on error
include_once $context['path_to_root'] . 'images/image.php';
if (!Image::shrink($file_path . $file_name, $file_path . $thumbnail_name, FALSE, FALSE)) {
Logger::remember('agents/messages.php: No thumbnail has been created for ' . $file_path . $file_name);
}
// resize the image where applicable
if (Image::adjust($file_path . $file_name, FALSE)) {
$file_size = Safe::filesize($file_path . $file_name);
}
// all details
$details = array();
// image size
if ($image_information = Safe::GetImageSize($file_path . $file_name)) {
$details[] = i18n::c('Size') . ': ' . $image_information[0] . ' x ' . $image_information[1];
}
// update image description
$item = array();
$item['anchor'] = $anchor;
$item['image_name'] = $file_name;
$item['thumbnail_name'] = $thumbnail_name;
$item['image_size'] = $file_size;
$item['description'] = '';
if (isset($content_description) && $content_description != $file_name) {
$item['description'] .= $content_description;
}
if (@count($details)) {
$item['description'] .= "\n\n" . '<p class="details">' . implode("<br />\n", $details) . "</p>\n";
}
$item['edit_date'] = gmstrftime('%Y-%m-%d %H:%M:%S', time());
$item['edit_name'] = $user['nick_name'];
$item['edit_id'] = $user['id'];
$item['edit_address'] = $user['email'];
// create an image record in the database
include_once $context['path_to_root'] . 'images/images.php';
if (!($item['id'] = Images::post($item))) {
Logger::remember('agents/messages.php: Impossible to save image ' . $item['image_name']);
return NULL;
}
if ($context['debug_messages'] == 'Y') {
Logger::remember('agents/messages.php: Messages::submit_image()', $item, 'debug');
}
// insert the image in the anchor page
$host->touch('image:create', $item['id'], TRUE);
return 'image:' . $item['id'];
}
/**
* define a constant img tag
*
* mainly called from initialize(), in skins/skin_skeleton.php, and as Skin::initialize()
*
* @param string constant name, in upper case
* @param string file name for this image
* @param string to be used if the file does not exists
* @param string to be displayed in textual browsers
* @param string options to be integrated into the img tag, if any
*/
public static function define_img($name, $file, $default = '', $alternate = '', $options = '')
{
global $context;
// sanity check
if (defined($name)) {
return;
}
// make an absolute path to image, in case of export (freemind, etc.)
if ($size = Safe::GetImageSize($context['path_to_root'] . $context['skin'] . '/' . $file)) {
define($name, ' <img src="' . $context['url_to_master'] . $context['url_to_root'] . $context['skin'] . '/' . $file . '" ' . $size[3] . ' alt="' . $alternate . '" ' . $options . ' />');
} elseif ($size = Safe::GetImageSize($context['path_to_root'] . 'skins/_reference/' . $file)) {
define($name, ' <img src="' . $context['url_to_master'] . $context['url_to_root'] . 'skins/_reference/' . $file . '" ' . $size[3] . ' alt="' . $alternate . '" ' . $options . ' />');
} else {
define($name, $default);
}
}
/**
* give a preview of file rendering
* used after ajax uploading in forms
*
* @param string $url string where is the file
* @param string $input_name the input that what used to upload
*/
public static function preview($url, $input_name)
{
global $context;
// get file ext.
$ext = pathinfo($url, PATHINFO_EXTENSION);
$basename = basename($url);
// at least show file's name
$preview = $basename;
// destroy link, put it where you want
$destroy = '<a class="yc-upload-destroy" data-del="' . $input_name . '" href="javascript:void(0);" title="' . i18n::s('Delete') . '" onclick="Yacs.uploadDestroy($(this).data(\'del\'),$(this))" >x</a>' . "\n";
// file is a image
if (Files::is_image($url) && ($image_information = Safe::GetImageSize($url))) {
// make a temp thumb name
$thumb = uniqid() . '.' . $ext;
$thumbpath = $context['path_to_root'] . UPLOAD_PATH . $thumb;
$thumburl = $context['url_to_root'] . UPLOAD_PATH . $thumb;
// make a thumb
Image::shrink($url, $thumbpath, true);
// build image
$preview = Skin::build_image('left', $thumburl, '') . '<span style="line-height:34px"> ' . $basename . '</span>' . "\n" . $destroy;
} else {
// file is a reconnized audio format
switch ($ext) {
case 'mp3':
case 'm4a':
case 'aac':
case 'oog':
// audio file
$audio_url = $context['url_to_root'] . UPLOAD_PATH . $basename;
$preview .= $destroy . BR . Skin::build_audioplayer($audio_url);
break;
default:
$icon = Skin::build_image('inline', $context['url_to_master'] . $context['url_to_root'] . Files::get_icon_url($basename), $basename);
$preview = $icon . $preview . ' ' . $destroy;
break;
}
}
// add separator
$preview .= '<hr class="clear" />' . "\n";
// wrap
$preview = '<div class="yc-preview">' . $preview . '</div>';
return $preview;
}
function explode_callback($name)
{
global $context;
// reject all files put in sub-folders
$file_path = Files::get_path($_REQUEST['anchor'], 'images');
if (($path = substr($name, strlen($file_path . '/'))) && strpos($path, '/') !== FALSE) {
Safe::unlink($name);
} elseif (!($attributes = Safe::GetImageSize($name))) {
Safe::unlink($name);
} elseif ($attributes[0] > 5000 || $attributes[1] > 5000) {
Safe::unlink($name);
}
}
/**
* list articles
*
* @param resource the SQL result
* @return string the rendered text
*
* @see layouts/layout.php
**/
function layout($result)
{
global $context;
// we return some text
$text = '';
// empty list
if (!SQL::count($result)) {
return $text;
}
// load the SIMILE Timeline javascript library in shared/global.php
$context['javascript']['timeline'] = TRUE;
// sanity check
if (!isset($this->focus)) {
$this->focus = 'default';
}
// put in cache
$cache_id = Cache::hash('articles/layout_articles_as_simile:' . $this->focus) . '.xml';
// save for one minute
if (!file_exists($context['path_to_root'] . $cache_id) || filemtime($context['path_to_root'] . $cache_id) + 60 < time()) {
// content of the slideshow
$content = '<?xml version="1.0" encoding="utf-8"?>' . "\n" . '<data>' . "\n";
// get a default image
if (Safe::GetImageSize($context['path_to_root'] . $context['skin'] . '/layouts/map.gif')) {
$default_href = $context['url_to_root'] . $context['skin'] . '/layouts/map.gif';
} elseif ($size = Safe::GetImageSize($context['path_to_root'] . 'skins/_reference/layouts/map.gif')) {
$default_href = $context['url_to_root'] . 'skins/_reference/layouts/map.gif';
} else {
$default_href = NULL;
}
// process all items in the list
while ($item = SQL::fetch($result)) {
// get the related overlay
$overlay = Overlay::load($item, 'article:' . $item['id']);
// get the anchor
$anchor = Anchors::get($item['anchor']);
// start
if ($item['publish_date'] > $item['create_date']) {
$first = Skin::build_date($item['publish_date'], 'plain');
} else {
$first = Skin::build_date($item['create_date'], 'plain');
}
// end
$last = Skin::build_date($item['edit_date'], 'plain');
if ($last != $first) {
$last = ' end="' . $last . '"';
} else {
$last = '';
}
// build a title
if (is_object($overlay)) {
$title = Codes::beautify_title($overlay->get_text('title', $item));
} else {
$title = Codes::beautify_title($item['title']);
}
// the url to view this item
$url = str_replace('&', '&', Articles::get_permalink($item));
// this is visual
if (isset($item['icon_url']) && $item['icon_url']) {
$image = $item['icon_url'];
} elseif (isset($item['thumbnail_url']) && $item['thumbnail_url']) {
$image = $item['thumbnail_url'];
} else {
$image = '';
}
// fix relative path
if ($image && !preg_match('/^(\\/|http:|https:|ftp:)/', $image)) {
$image = $context['url_to_root'] . $image;
}
if ($image) {
$image = ' image="' . $image . '"';
}
// introduction
$introduction = '';
if (is_object($overlay)) {
$introduction = $overlay->get_text('introduction', $item);
} else {
$introduction = $item['introduction'];
}
// insert overlay data, if any
if (is_object($overlay) && ($data = $overlay->get_text('list', $item))) {
if ($introduction) {
$introduction .= BR;
}
$introduction .= $data;
}
// ampersands kill SIMILE Timeline
if ($introduction) {
$introduction = encode_field(str_replace(array(' ', '&'), ' ', Codes::beautify($introduction)));
}
// details
$details = array();
// info on related comments
if ($count = Comments::count_for_anchor('article:' . $item['id'], TRUE)) {
$details[] = sprintf(i18n::ns('%d comment', '%d comments', $count), $count);
}
// info on related files
if ($count = Files::count_for_anchor('article:' . $item['id'], TRUE)) {
$details[] = sprintf(i18n::ns('%d file', '%d files', $count), $count);
}
// info on related links
if ($count = Links::count_for_anchor('article:' . $item['id'], TRUE)) {
$details[] = sprintf(i18n::ns('%d link', '%d links', $count), $count);
}
// combine in-line details
if (count($details)) {
if ($introduction) {
$introduction .= BR;
}
$introduction .= '<span class="details">' . trim(implode(', ', $details)) . '</span>';
}
// escape the introduction, if any
if ($introduction) {
$introduction = str_replace(array('<', '&'), array('<', '&'), $introduction);
}
// add to the list
$content .= ' <event start="' . $first . '"' . $last . ' title="' . encode_field(str_replace(array(" ", '"'), ' ', $title)) . '" link="' . $url . '"' . $image . '>' . "\n" . ' ' . $introduction . "\n" . ' </event>' . "\n";
}
// finalize slideshow content
$content .= '</data>';
// put in cache
Safe::file_put_contents($cache_id, $content);
}
// allow multiple instances
static $count;
if (!isset($count)) {
$count = 1;
} else {
$count++;
}
// 1 week ago
$now = gmdate('M d Y H:i:s', time() - 7 * 24 * 60 * 60);
// load the right file
$text = '<div id="articles_as_simile_' . $count . '" style="height: 300px; border: 1px solid #aaa; font-size: 10px"></div>' . "\n";
Page::insert_script('var simile_handle_' . $count . ';' . "\n" . 'function onLoad' . $count . '() {' . "\n" . ' var eventSource = new Timeline.DefaultEventSource();' . "\n" . ' var bandInfos = [' . "\n" . ' Timeline.createBandInfo({' . "\n" . ' eventSource: eventSource,' . "\n" . ' date: "' . $now . '",' . "\n" . ' width: "80%",' . "\n" . ' intervalUnit: Timeline.DateTime.WEEK,' . "\n" . ' intervalPixels: 200' . "\n" . ' }),' . "\n" . ' Timeline.createBandInfo({' . "\n" . ' showEventText: false,' . "\n" . ' trackHeight: 0.5,' . "\n" . ' trackGap: 0.2,' . "\n" . ' eventSource: eventSource,' . "\n" . ' date: "' . $now . '",' . "\n" . ' width: "20%",' . "\n" . ' intervalUnit: Timeline.DateTime.MONTH,' . "\n" . ' intervalPixels: 50' . "\n" . ' })' . "\n" . ' ];' . "\n" . ' bandInfos[1].syncWith = 0;' . "\n" . ' bandInfos[1].highlight = true;' . "\n" . ' bandInfos[1].eventPainter.setLayout(bandInfos[0].eventPainter.getLayout());' . "\n" . ' simile_handle_' . $count . ' = Timeline.create(document.getElementById("articles_as_simile_' . $count . '"), bandInfos);' . "\n" . ' Timeline.loadXML("' . $context['url_to_home'] . $context['url_to_root'] . $cache_id . '", function(xml, url) { eventSource.loadXML(xml, url); });' . "\n" . '}' . "\n" . "\n" . 'var resizeTimerID' . $count . ' = null;' . "\n" . 'function onResize' . $count . '() {' . "\n" . ' if (resizeTimerID' . $count . ' == null) {' . "\n" . ' resizeTimerID' . $count . ' = window.setTimeout(function() {' . "\n" . ' resizeTimerID' . $count . ' = null;' . "\n" . ' simile_handle_' . $count . '.layout();' . "\n" . ' }, 500);' . "\n" . ' }' . "\n" . '}' . "\n" . "\n" . '// observe page major events' . "\n" . '$(document).ready( onLoad' . $count . ');' . "\n" . '$(window).resize(onResize' . $count . ');' . "\n");
// end of processing
SQL::free($result);
return $text;
}
Safe::header('Status: 401 Unauthorized', TRUE, 401);
// only available to site associates
} elseif (!Surfer::is_associate()) {
Safe::header('Status: 401 Unauthorized', TRUE, 401);
Logger::error(i18n::s('You are not allowed to perform this operation.'));
// provide requested data
} else {
// loads feeding parameters
Safe::load('parameters/feeds.include.php');
// set preamble strings
$title = sprintf(i18n::s('Event log at %s'), strip_tags($context['site_name']));
// provide shortcuts for this site
$splash = sprintf(i18n::s('Most recent events at %s'), $context['host_name']);
// the preamble
$text = '<?xml version="1.0" encoding="' . $context['charset'] . '"?>' . "\n" . '<rss version="2.0">' . "\n" . '<channel>' . "\n" . ' <title>' . encode_field($title) . '</title>' . "\n" . ' <link>' . $context['url_to_home'] . $context['url_to_root'] . 'agents/</link>' . "\n" . ' <description><![CDATA[ ' . $splash . ' ]]></description>' . "\n";
if (isset($context['powered_by_image']) && $context['powered_by_image'] && ($size = Safe::GetImageSize($context['path_to_root'] . $context['powered_by_image']))) {
$text .= ' <image>' . "\n" . ' <url>' . $context['url_to_home'] . $context['url_to_root'] . $context['powered_by_image'] . '</url>' . "\n" . ' <width>' . $size[0] . '</width>' . "\n" . ' <height>' . $size[1] . '</height>' . "\n" . ' <title>' . encode_field($title) . '</title>' . "\n" . ' <link>' . $context['url_to_home'] . $context['url_to_root'] . 'agents/</link>' . "\n" . ' </image>' . "\n";
}
if ($context['preferred_language']) {
$text .= ' <language>' . encode_field($context['preferred_language']) . '</language>' . "\n";
}
$text .= ' <lastBuildDate>' . gmdate('D, d M Y H:i:s') . ' GMT</lastBuildDate>' . "\n" . ' <generator>yacs</generator>' . "\n" . ' <docs>http://blogs.law.harvard.edu/tech/rss</docs>' . "\n" . ' <ttl>5</ttl>' . "\n";
// list last events
$events = Logger::get_tail(50, 'all');
if (is_array($events)) {
// the actual list of events
foreach ($events as $event) {
list($stamp, $surfer, $script, $label, $description) = $event;
// formatting patterns
$search = array("|\r\n|", "|<br\\s*/>\n+|i", "|\n\n+[ \t]*-\\s+|i", "|\n[ \t]*-\\s+|i", "|\n\n+[ \t]*\\.\\s+|i", "|\n[ \t]*\\.\\s+|i", "|\n\n+[ \t]*\\*\\s+|i", "|\n[ \t]*\\*\\s+|i", "|\n\n+[ \t]*¤\\s+|i", "|\n[ \t]*¤\\s+|i", "|\n\n+[ \t]*\\•\\s+|i", "|\n[ \t]*\\•\\s+|i", "/\n[ \t]*(From|To|cc|bcc|Subject|Date):(\\s*)/i", "|\n[ \t]*>(\\s*)|i", "|\n[ \t]*\\|(\\s*)|i", "#([\n\t ])([a-z]+?)://([^, <>{}\n\r]+)#is", "#^([a-z]+?)://([^, <>{}\n\r]+)#is", "#([\n\t ])www\\.([a-z0-9\\-]+)\\.([a-z0-9\\-.\\~]+)((?:/[^,< \n\r]*)?)#is", "#([\n\t ])([a-z0-9\\-_.]+?)@([^,< \\.\n\r]+\\.[^,< \n\r]+)#is", "|\n\n|i");
$replace = array("\n", BR, BR . BR . "- ", BR . "- ", BR . BR . "- ", BR . "- ", BR . BR . "- ", BR . "- ", BR . BR . "- ", BR . "- ", BR . BR . "• ", BR . "• ", BR . "\$1:\$2", BR . ">\$1", BR . "|\$1", "\$1<a href=\"\$2://\$3\">\$2://\$3</a>", "<a href=\"\$1://\$2\">\$1://\$2</a>", "\$1<a href=\"http://www.\$2.\$3\$4\">http://www.\$2.\$3\$4</a>", "\$1<a href=\"mailto:\$2@\$3\">\$2@\$3</a>", BR . BR);
/**
* encode PHP data into RSS
*
* Accept following values:
* - $values['channel']['title'] is a string
* - $values['channel']['link'] is a string
* - $values['channel']['description'] is a string
* - $values['channel']['image'] is a string to a channel image, if any
* - $values['items'] is an array of $url => array($time, $title, $author, $section, $image, $introduction, $description, $comments, $trackback, $comment_post, $comment_rss)
*
* @param mixed the parameter to encode
* @return some XML
*/
public static function encode(&$values)
{
global $context;
// ensure we have a channel title
if (isset($values['channel']['title']) && $values['channel']['title']) {
$channel_title = $values['channel']['title'];
} elseif (isset($context['server_title']) && $context['server_title']) {
$channel_title = $context['server_title'];
} else {
$channel_title = $context['host_name'];
}
// ensure we have a channel link
if (isset($values['channel']['link']) && $values['channel']['link']) {
$channel_link = $values['channel']['link'];
} else {
$channel_link = $context['url_to_home'] . $context['url_to_root'];
}
// allowed HTML in description
$allowed = '<a><b><blockquote><form><hr><input><li><ol><p><strong><u><ul>';
// the preamble
$text = '<?xml version="1.0" encoding="' . $context['charset'] . '"?>' . "\n" . '<rss version="2.0" ' . "\n" . ' xmlns:atom="http://www.w3.org/2005/Atom" ' . "\n" . ' xmlns:content="http://purl.org/rss/1.0/modules/content/" ' . "\n" . ' xmlns:dc="http://purl.org/dc/elements/1.1/" ' . "\n" . ' xmlns:georss="http://www.georss.org/georss" ' . "\n" . ' xmlns:icbm="http://postneo.com/icbm" ' . "\n" . ' xmlns:slash="http://purl.org/rss/1.0/modules/slash/" ' . "\n" . ' xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" ' . "\n" . ' xmlns:wfw="http://wellformedweb.org/CommentAPI/" >' . "\n" . "\n" . '<channel>' . "\n" . ' <title>' . rss_codec::clean($channel_title) . '</title>' . "\n" . ' <link>' . encode_link($channel_link) . '</link>' . "\n" . ' <atom:link href="' . encode_link($context['self_url']) . '" rel="self" type="application/rss+xml" />' . "\n" . ' <description>' . rss_codec::clean($values['channel']['description'], $allowed) . '</description>' . "\n";
if (isset($values['channel']['image']) && $values['channel']['image'] && ($size = Safe::GetImageSize($values['channel']['image']))) {
$text .= ' <image>' . "\n" . ' <url>' . encode_link($context['url_to_home'] . $context['url_to_root'] . $values['channel']['image']) . '</url>' . "\n" . ' <width>' . $size[0] . '</width>' . "\n" . ' <height>' . $size[1] . '</height>' . "\n" . ' <title>' . rss_codec::clean($channel_title) . '</title>' . "\n" . ' <link>' . encode_link($channel_link) . '</link>' . "\n" . ' </image>' . "\n";
}
if (isset($context['preferred_language']) && $context['preferred_language']) {
$text .= ' <language>' . $context['preferred_language'] . '</language>' . "\n";
}
if (isset($context['site_copyright']) && $context['site_copyright']) {
$text .= ' <copyright>' . rss_codec::clean($context['site_copyright']) . '</copyright>' . "\n";
}
if (isset($context['site_email']) && $context['site_email']) {
$text .= ' <managingEditor>' . rss_codec::clean($context['site_email']) . '</managingEditor>' . "\n";
}
if (isset($context['webmaster_address']) && $context['webmaster_address']) {
$text .= ' <webMaster>' . rss_codec::clean($context['site_email']) . '</webMaster>' . "\n";
}
// encode icbm position
if (isset($context['site_position']) && $context['site_position']) {
list($latitude, $longitude) = preg_split('/[ ,\\t]+/', $context['site_position']);
$text .= ' <icbm:latitude>' . rss_codec::clean($latitude) . '</icbm:latitude>' . "\n";
$text .= ' <icbm:longitude>' . rss_codec::clean($longitude) . '</icbm:longitude>' . "\n";
$text .= ' <georss:point>' . str_replace(',', ' ', $context['site_position']) . '</georss:point>' . "\n";
}
$text .= ' <lastBuildDate>' . gmdate('D, d M Y H:i:s') . ' GMT</lastBuildDate>' . "\n" . ' <generator>yacs</generator>' . "\n" . ' <docs>http://blogs.law.harvard.edu/tech/rss</docs>' . "\n";
if (isset($context['time_to_live']) && $context['time_to_live'] > 0) {
$text .= ' <ttl>' . $context['time_to_live'] . '</ttl>' . "\n";
} else {
$text .= ' <ttl>70</ttl>' . "\n";
}
// process rows, if any
if (isset($values['items']) && is_array($values['items'])) {
// for each item
foreach ($values['items'] as $url => $attributes) {
$time = $attributes[0];
$title = $attributes[1];
$author = $attributes[2];
$section = $attributes[3];
$image = $attributes[4];
$introduction = $attributes[5];
$description = $attributes[6];
$extensions = $attributes[7];
// output one story
$text .= "\n" . ' <item>' . "\n";
if ($title) {
$text .= ' <title>' . rss_codec::clean($title) . "</title>\n";
}
if ($url) {
$text .= ' <link>' . encode_link($url) . "</link>\n" . ' <guid isPermaLink="true">' . encode_link($url) . "</guid>\n";
}
if ($introduction) {
$text .= ' <description>' . rss_codec::clean($introduction) . "</description>\n";
} elseif ($description) {
$text .= ' <description>' . rss_codec::clean($description) . "</description>\n";
}
// use unicode entities, and escape & chars that are not part of an entity
if ($description) {
$text .= ' <content:encoded><![CDATA[ ' . str_replace(']]>', ']]]]><![CDATA[>', $description) . " ]]></content:encoded>\n";
}
// do not express mail addresses, but only creator name, which is between ()
if (preg_match('/\\((.*?)\\)/', $author, $matches)) {
$text .= ' <dc:creator>' . rss_codec::clean($matches[1]) . "</dc:creator>\n";
}
// do not put any attribute, it would kill FeedReader
if ($section) {
$text .= ' <category>' . encode_field(strip_tags($section)) . "</category>\n";
}
if (intval($time)) {
$text .= ' <pubDate>' . gmdate('D, d M Y H:i:s', intval($time)) . " GMT</pubDate>\n";
}
// add any extension (eg, slash:comments, wfw:commentRss, trackback:ping)
if (isset($extensions)) {
if (is_array($extensions)) {
foreach ($extensions as $extension) {
$text .= ' ' . $extension . "\n";
}
} else {
$text .= ' ' . $extensions . "\n";
}
}
$text .= "\t</item>\n";
}
}
// the postamble
$text .= "\n</channel>\n" . '</rss>';
return array(TRUE, $text);
}
/**
* fully describe a poll in its main page
*
* This also features a voting form, to let people vote from permalinks.
*
* @link http://www.slashdot.org/ Slashdot has been copied for the layout, and for the bar images as well
*
* @param array attributes of the containing page
* @param boolean TRUE if votes are enabled, FALSE otherwise
* @return some HTML to be inserted into the resulting page
*/
function get_text_to_view($host = NULL, $enable_votes = TRUE)
{
global $context;
if (!isset($this->attributes['answers'])) {
return '';
}
if (!is_array($this->attributes['answers'])) {
return '';
}
// use images either from the skin, or from the polls directory
if ($size = Safe::GetImageSize($context['path_to_root'] . $context['skin'] . '/images/poll_left.gif')) {
$left_img = '<img src="' . $context['url_to_root'] . $context['skin'] . '/images/poll_left.gif" ' . $size[3] . ' alt="" />';
} elseif ($size = Safe::GetImageSize($context['path_to_root'] . 'overlays/polls/bar_left.gif')) {
$left_img = '<img src="' . $context['url_to_root'] . 'overlays/polls/bar_left.gif" ' . $size[3] . ' alt="" />';
}
if ($size = Safe::GetImageSize($context['path_to_root'] . $context['skin'] . '/images/poll_main.gif')) {
$main_img = '<img src="' . $context['url_to_root'] . $context['skin'] . '/images/poll_main.gif" ' . $size[3] . ' alt="" />';
} elseif ($size = Safe::GetImageSize($context['path_to_root'] . 'overlays/polls/bar_main.gif')) {
$main_img = '<img src="' . $context['url_to_root'] . 'overlays/polls/bar_main.gif" ' . $size[3] . ' alt="" />';
}
if ($size = Safe::GetImageSize($context['path_to_root'] . $context['skin'] . '/images/poll_right.gif')) {
$right_img = '<img src="' . $context['url_to_root'] . $context['skin'] . '/images/poll_right.gif" ' . $size[3] . ' alt="" />';
} elseif ($size = Safe::GetImageSize($context['path_to_root'] . 'overlays/polls/bar_right.gif')) {
$right_img = '<img src="' . $context['url_to_root'] . 'overlays/polls/bar_right.gif" ' . $size[3] . ' alt="" />';
}
// compute totals
$total = 0;
$maximum = 0;
foreach ($this->attributes['answers'] as $answer) {
list($label, $count) = $answer;
$total += $count;
$maximum = max($maximum, strlen($label));
}
// empty form when votes are disallowed
$text = '<form method="post" action="' . $context['url_to_root'] . 'overlays/polls/vote.php">';
// layout poll elements
$text .= '<dl class="poll">';
// one row per answer
$index = 1;
foreach ($this->attributes['answers'] as $answer) {
list($label, $count) = $answer;
$text .= '<dt>';
if ($enable_votes) {
$text .= '<input type="radio" name="vote" value="' . $index++ . '" /> ';
}
$text .= $label . '</dt>' . "\n";
$text .= '<dd>';
if ($total > 0) {
$size = (int) ($count * 350 / $total) + 2;
} else {
$size = 2;
}
$text .= $left_img . preg_replace('/width=".+?"/i', 'width="' . $size . '"', $main_img) . $right_img . ' ' . number_format($count);
if ($total > 0) {
$text .= ' / <b>' . (int) ($count * 100 / $total) . '%</b>';
}
$text .= '<br style="clear: left;" /></dd>' . "\n";
}
$text .= '</dl>' . "\n";
// votes are allowed
if ($enable_votes) {
$text .= '<p>';
// a button to vote
$text .= Skin::build_submit_button(i18n::s('Cast your vote'));
// summarize votes
if ($total > 1) {
$text .= ' ' . sprintf(i18n::s('%d votes up to now'), $total);
}
$text .= '</p>' . "\n";
}
// end of the form
$text .= '<input type="hidden" name="id" value="' . $host['id'] . '" />' . '</form>' . "\n";
return $text;
}
