diff -r 902822492a68 -r fe660c52c48f includes/wikiengine/Render/Xhtml/Image.php --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/includes/wikiengine/Render/Xhtml/Image.php Wed Jun 13 16:07:17 2007 -0400 @@ -0,0 +1,180 @@ + + * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 + * @version CVS: $Id: Image.php,v 1.16 2006/02/10 23:07:03 toggg Exp $ + * @link http://pear.php.net/package/Text_Wiki + */ + +/** + * This class inserts an image in XHTML. + * + * @category Text + * @package Text_Wiki + * @author Paul M. Jones + * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 + * @version Release: @package_version@ + * @link http://pear.php.net/package/Text_Wiki + */ +class Text_Wiki_Render_Xhtml_Image extends Text_Wiki_Render { + + var $conf = array( + 'base' => '/', + 'url_base' => null, + 'css' => null, + 'css_link' => null + ); + + + /** + * + * Renders a token into text matching the requested format. + * + * @access public + * + * @param array $options The "options" portion of the token (second + * element). + * + * @return string The text rendered from the token options. + * + */ + + function token($options) + { + // note the image source + $src = $options['src']; + + // is the source a local file or URL? + if (strpos($src, '://') === false) { + // the source refers to a local file. + // add the URL base to it. + $src = $this->getConf('base', '/') . $src; + } + + // stephane@metacites.net + // is the image clickable? + if (isset($options['attr']['link'])) { + // yes, the image is clickable. + // are we linked to a URL or a wiki page? + if (strpos($options['attr']['link'], '://')) { + // it's a URL, prefix the URL base + $href = $this->getConf('url_base') . $options['attr']['link']; + } else { + // it's a WikiPage; assume it exists. + /** @todo This needs to honor sprintf wikilinks (pmjones) */ + /** @todo This needs to honor interwiki (pmjones) */ + /** @todo This needs to honor freelinks (pmjones) */ + $href = $this->wiki->getRenderConf('xhtml', 'wikilink', 'view_url') . + $options['attr']['link']; + } + } else { + // image is not clickable. + $href = null; + } + // unset so it won't show up as an attribute + unset($options['attr']['link']); + + // stephane@metacites.net -- 25/07/2004 + // we make up an align="center" value for the tag. + if (isset($options['attr']['align']) && + $options['attr']['align'] == 'center') { + + // unset so it won't show up as an attribute + unset($options['attr']['align']); + + // make sure we have a style attribute + if (! isset($options['attr']['style'])) { + // no style, set up a blank one + $options['attr']['style'] = ''; + } else { + // style exists, add a space + $options['attr']['style'] .= ' '; + } + + // add a "center" style to the existing style. + $options['attr']['style'] .= + 'display: block; margin-left: auto; margin-right: auto;'; + } + + // stephane@metacites.net -- 25/07/2004 + // try to guess width and height + if (! isset($options['attr']['width']) && + ! isset($options['attr']['height'])) { + + // does the source refer to a local file or a URL? + if (strpos($src,'://')) { + // is a URL link + $imageFile = $src; + } elseif ($src[0] == '.') { + // reg at dav-muz dot net -- 2005-03-07 + // is a local file on relative path. + $imageFile = $src; # ...don't do anything because it's perfect! + } else { + // is a local file on absolute path. + $imageFile = $_SERVER['DOCUMENT_ROOT'] . $src; + } + + // attempt to get the image size + $imageSize = @getimagesize($imageFile); + + if (is_array($imageSize)) { + $options['attr']['width'] = $imageSize[0]; + $options['attr']['height'] = $imageSize[1]; + } + + } + + // start the HTML output + $output = 'formatConf(' class="%s"', 'css'); + + // add the attributes to the output, and be sure to + // track whether or not we find an "alt" attribute + $alt = false; + foreach ($options['attr'] as $key => $val) { + + // track the 'alt' attribute + if (strtolower($key) == 'alt') { + $alt = true; + } + + // the 'class' attribute overrides the CSS class conf + if (strtolower($key) == 'class') { + $css = null; + } + + $key = $this->textEncode($key); + $val = $this->textEncode($val); + $output .= " $key=\"$val\""; + } + + // always add an "alt" attribute per Stephane Solliec + if (! $alt) { + $alt = $this->textEncode(basename($options['src'])); + $output .= " alt=\"$alt\""; + } + + // end the image tag with the automatic CSS class (if any) + $output .= "$css />"; + + // was the image clickable? + if ($href) { + // yes, add the href and return + $href = $this->textEncode($href); + $css = $this->formatConf(' class="%s"', 'css_link'); + $output = "$output"; + } + + return $output; + } +} +?>