/**
* This replaces all article image HTML in intro and body with
* GL special syntax
*
* @param string $sid ID for story to parse
* @param string $intro Intro text
* @param string $body Body text
* @return string processed text
*
*/
function replaceImages($text)
{
global $_CONF, $_TABLES, $LANG24;
$stdImageLoc = true;
if (!strstr($_CONF['path_images'], $_CONF['path_html'])) {
$stdImageLoc = false;
}
$count = 0;
/* If we haven't already cached the images for this story, do so */
if (!is_array($this->_storyImages)) {
$result = DB_query("SELECT ai_filename FROM {$_TABLES['article_images']} WHERE " . "ai_sid = '{$this->_sid}' ORDER BY ai_img_num");
$nrows = DB_numRows($result);
$this->_storyImages = array();
for ($i = 1; $i <= $nrows; $i++) {
$this->_storyImages[] = DB_fetchArray($result);
}
$count = $nrows;
} else {
$count = count($this->_storyImages);
}
// If the article has any images, remove them back to [image] tags.
for ($i = 0; $i < $count; $i++) {
$A = $this->_storyImages[$i];
$imageX = '[image' . ($i + 1) . ']';
$imageX_left = '[image' . ($i + 1) . '_left]';
$imageX_right = '[image' . ($i + 1) . '_right]';
$sizeattributes = COM_getImgSizeAttributes($_CONF['path_images'] . 'articles/' . $A['ai_filename']);
$lLinkPrefix = '';
$lLinkSuffix = '';
if ($_CONF['keep_unscaled_image'] == 1) {
$lFilename_large = substr_replace($A['ai_filename'], '_original.', strrpos($A['ai_filename'], '.'), 1);
$lFilename_large_complete = $_CONF['path_images'] . 'articles/' . $lFilename_large;
if ($stdImageLoc) {
$imgpath = substr($_CONF['path_images'], strlen($_CONF['path_html']));
$lFilename_large_URL = $_CONF['site_url'] . '/' . $imgpath . 'articles/' . $lFilename_large;
} else {
$lFilename_large_URL = $_CONF['site_url'] . '/getimage.php?mode=show&image=' . $lFilename_large;
}
if (file_exists($lFilename_large_complete)) {
$lLinkPrefix = '<a href="' . $lFilename_large_URL . '" title="' . $LANG24[57] . '">';
$lLinkSuffix = '</a>';
}
}
if ($stdImageLoc) {
$imgpath = substr($_CONF['path_images'], strlen($_CONF['path_html']));
$imgSrc = $_CONF['site_url'] . '/' . $imgpath . 'articles/' . $A['ai_filename'];
} else {
$imgSrc = $_CONF['site_url'] . '/getimage.php?mode=articles&image=' . $A['ai_filename'];
}
$norm = $lLinkPrefix . '<img ' . $sizeattributes . 'src="' . $imgSrc . '" alt=""' . XHTML . '>' . $lLinkSuffix;
$left = $lLinkPrefix . '<img ' . $sizeattributes . 'class="floatleft" src="' . $imgSrc . '" alt=""' . XHTML . '>' . $lLinkSuffix;
$right = $lLinkPrefix . '<img ' . $sizeattributes . 'class="floatright" src="' . $imgSrc . '" alt=""' . XHTML . '>' . $lLinkSuffix;
$text = str_replace($norm, $imageX, $text);
$text = str_replace($left, $imageX_left, $text);
$text = str_replace($right, $imageX_right, $text);
if ($_CONF['allow_user_scaling'] == 1 and $_CONF['keep_unscaled_image'] == 1) {
$unscaledX = '[unscaled' . ($i + 1) . ']';
$unscaledX_left = '[unscaled' . ($i + 1) . '_left]';
$unscaledX_right = '[unscaled' . ($i + 1) . '_right]';
if (file_exists($lFilename_large_complete)) {
$sizeattributes = COM_getImgSizeAttributes($lFilename_large_complete);
$norm = '<img ' . $sizeattributes . 'src="' . $lFilename_large_URL . '" alt=""' . XHTML . '>';
$left = '<img ' . $sizeattributes . 'align="left" src="' . $lFilename_large_URL . '" alt=""' . XHTML . '>';
$right = '<img ' . $sizeattributes . 'align="right" src="' . $lFilename_large_URL . '" alt=""' . XHTML . '>';
}
$text = str_replace($norm, $unscaledX, $text);
$text = str_replace($left, $unscaledX_left, $text);
$text = str_replace($right, $unscaledX_right, $text);
}
}
return $text;
}
/**
* Inserts image HTML into the place of Image Placeholders
*
* @return string Text with image placeholders removed
*/
function STORY_renderImages($sid, $text)
{
global $_CONF, $_TABLES, $LANG24;
$parsedText = $text;
$ai_sid = $sid;
$result = DB_query("SELECT ai_filename FROM {$_TABLES['article_images']} WHERE ai_sid = '{$ai_sid}' ORDER BY ai_img_num");
$nrows = DB_numRows($result);
$errors = array();
$stdImageLoc = true;
if (!strstr($_CONF['path_images'], $_CONF['path_html'])) {
$stdImageLoc = false;
}
for ($i = 1; $i <= $nrows; $i++) {
$A = DB_fetchArray($result);
$sizeattributes = COM_getImgSizeAttributes($_CONF['path_images'] . 'articles/' . $A['ai_filename']);
$norm = '[image' . $i . ']';
$left = '[image' . $i . '_left]';
$right = '[image' . $i . '_right]';
$unscalednorm = '[unscaled' . $i . ']';
$unscaledleft = '[unscaled' . $i . '_left]';
$unscaledright = '[unscaled' . $i . '_right]';
$imgpath = '';
// If we are storing images on a "standard path" i.e. is
// available to the host web server, then the url to this
// image is based on the path to images, site url, articles
// folder and it's filename.
//
// Otherwise, we have to use the image handler to load the
// image from whereever else on the file system we're
// keeping them:
if ($stdImageLoc) {
$imgpath = substr($_CONF['path_images'], strlen($_CONF['path_html']));
$imgSrc = $_CONF['site_url'] . '/' . $imgpath . 'articles/' . $A['ai_filename'];
} else {
$imgSrc = $_CONF['site_url'] . '/getimage.php?mode=articles&image=' . $A['ai_filename'];
}
// Build image tags for each flavour of the image:
$img_noalign = '<img ' . $sizeattributes . 'src="' . $imgSrc . '" alt=""' . XHTML . '>';
$img_leftalgn = '<img ' . $sizeattributes . 'class="floatleft" src="' . $imgSrc . '" alt=""' . XHTML . '>';
$img_rightalgn = '<img ' . $sizeattributes . 'class="floatright" src="' . $imgSrc . '" alt=""' . XHTML . '>';
// Are we keeping unscaled images?
if ($_CONF['keep_unscaled_image'] == 1) {
// Yes we are, so, we need to find out what the filename
// of the original, unscaled image is:
$lFilename_large = substr_replace($A['ai_filename'], '_original.', strrpos($A['ai_filename'], '.'), 1);
$lFilename_large_complete = $_CONF['path_images'] . 'articles/' . $lFilename_large;
// We need to map that filename to the right location
// or the fetch script:
if ($stdImageLoc) {
$lFilename_large_URL = $_CONF['site_url'] . '/' . $imgpath . 'articles/' . $lFilename_large;
} else {
$lFilename_large_URL = $_CONF['site_url'] . '/getimage.php?mode=show&image=' . $lFilename_large;
}
// And finally, replace the [imageX_mode] tags with the
// image and its hyperlink (only when the large image
// actually exists)
$lLink_url = '';
$lLink_attr = '';
if (file_exists($lFilename_large_complete)) {
$lLink_url = $lFilename_large_URL;
$lLink_attr = array('title' => $LANG24[57]);
}
}
if (!empty($lLink_url)) {
$parsedText = str_replace($norm, COM_createLink($img_noalign, $lLink_url, $lLink_attr), $parsedText);
$parsedText = str_replace($left, COM_createLink($img_leftalgn, $lLink_url, $lLink_attr), $parsedText);
$parsedText = str_replace($right, COM_createLink($img_rightalgn, $lLink_url, $lLink_attr), $parsedText);
} else {
// We aren't wrapping our image tags in hyperlinks, so
// just replace the [imagex_mode] tags with the image:
$parsedText = str_replace($norm, $img_noalign, $parsedText);
$parsedText = str_replace($left, $img_leftalgn, $parsedText);
$parsedText = str_replace($right, $img_rightalgn, $parsedText);
}
// And insert the unscaled mode images:
if ($_CONF['allow_user_scaling'] == 1 and $_CONF['keep_unscaled_image'] == 1) {
if (file_exists($lFilename_large_complete)) {
$imgSrc = $lFilename_large_URL;
$sizeattributes = COM_getImgSizeAttributes($lFilename_large_complete);
}
$parsedText = str_replace($unscalednorm, '<img ' . $sizeattributes . 'src="' . $imgSrc . '" alt=""' . XHTML . '>', $parsedText);
$parsedText = str_replace($unscaledleft, '<img ' . $sizeattributes . 'align="left" src="' . $imgSrc . '" alt=""' . XHTML . '>', $parsedText);
$parsedText = str_replace($unscaledright, '<img ' . $sizeattributes . 'align="right" src="' . $imgSrc . '" alt=""' . XHTML . '>', $parsedText);
}
}
return $parsedText;
}
