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Riley Schneider
184
database/php/pear/Text/Wiki/Render/Xhtml/Image.php
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184
database/php/pear/Text/Wiki/Render/Xhtml/Image.php
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<?php
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// vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4:
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/**
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* Image rule end renderer for Xhtml
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*
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* PHP versions 4 and 5
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*
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* @category Text
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* @package Text_Wiki
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* @author Paul M. Jones <pmjones@php.net>
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* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
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* @version CVS: $Id: Image.php 231923 2007-03-15 15:04:50Z justinpatrin $
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* @link http://pear.php.net/package/Text_Wiki
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*/
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/**
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* This class inserts an image in XHTML.
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*
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* @category Text
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* @package Text_Wiki
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* @author Paul M. Jones <pmjones@php.net>
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* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
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* @version Release: @package_version@
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* @link http://pear.php.net/package/Text_Wiki
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*/
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class Text_Wiki_Render_Xhtml_Image extends Text_Wiki_Render {
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var $conf = array(
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'base' => '/',
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'url_base' => null,
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'css' => null,
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'css_link' => null
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);
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/**
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*
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* Renders a token into text matching the requested format.
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*
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* @access public
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*
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* @param array $options The "options" portion of the token (second
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* element).
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*
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* @return string The text rendered from the token options.
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*
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*/
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function token($options)
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{
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// note the image source
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$src = $options['src'];
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// is the source a local file or URL?
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if (strpos($src, '://') === false) {
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// the source refers to a local file.
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// add the URL base to it.
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$src = $this->getConf('base', '/') . $src;
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}
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// stephane@metacites.net
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// is the image clickable?
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if (isset($options['attr']['link'])) {
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// yes, the image is clickable.
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// are we linked to a URL or a wiki page?
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if (strpos($options['attr']['link'], '://')) {
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// it's a URL, prefix the URL base
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$href = $this->getConf('url_base') . $options['attr']['link'];
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} else {
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// it's a WikiPage; assume it exists.
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/** @todo This needs to honor sprintf wikilinks (pmjones) */
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/** @todo This needs to honor interwiki (pmjones) */
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/** @todo This needs to honor freelinks (pmjones) */
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$href = $this->wiki->getRenderConf('xhtml', 'wikilink', 'view_url') .
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$options['attr']['link'];
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}
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} else {
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// image is not clickable.
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$href = null;
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}
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// unset so it won't show up as an attribute
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unset($options['attr']['link']);
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// stephane@metacites.net -- 25/07/2004
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// use CSS for all alignment
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if (isset($options['attr']['align'])) {
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// make sure we have a style attribute
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if (!isset($options['attr']['style'])) {
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// no style, set up a blank one
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$options['attr']['style'] = '';
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} else {
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// style exists, add a space
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$options['attr']['style'] .= ' ';
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}
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if ($options['attr']['align'] == 'center') {
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// add a "center" style to the existing style.
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$options['attr']['style'] .=
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'display: block; margin-left: auto; margin-right: auto;';
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} else {
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// add a float style to the existing style
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$options['attr']['style'] .=
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'float: '.$options['attr']['align'];
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}
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// unset so it won't show up as an attribute
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unset($options['attr']['align']);
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}
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// stephane@metacites.net -- 25/07/2004
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// try to guess width and height
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if (! isset($options['attr']['width']) &&
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! isset($options['attr']['height'])) {
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// does the source refer to a local file or a URL?
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if (strpos($src,'://')) {
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// is a URL link
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$imageFile = $src;
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} elseif ($src[0] == '.') {
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// reg at dav-muz dot net -- 2005-03-07
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// is a local file on relative path.
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$imageFile = $src; # ...don't do anything because it's perfect!
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} else {
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// is a local file on absolute path.
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$imageFile = $_SERVER['DOCUMENT_ROOT'] . $src;
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}
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// attempt to get the image size
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$imageSize = @getimagesize($imageFile);
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if (is_array($imageSize)) {
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$options['attr']['width'] = $imageSize[0];
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$options['attr']['height'] = $imageSize[1];
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}
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}
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// start the HTML output
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$output = '<img src="' . $this->textEncode($src) . '"';
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// get the CSS class but don't add it yet
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$css = $this->formatConf(' class="%s"', 'css');
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// add the attributes to the output, and be sure to
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// track whether or not we find an "alt" attribute
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$alt = false;
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foreach ($options['attr'] as $key => $val) {
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// track the 'alt' attribute
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if (strtolower($key) == 'alt') {
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$alt = true;
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}
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// the 'class' attribute overrides the CSS class conf
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if (strtolower($key) == 'class') {
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$css = null;
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}
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$key = $this->textEncode($key);
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$val = $this->textEncode($val);
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$output .= " $key=\"$val\"";
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}
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// always add an "alt" attribute per Stephane Solliec
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if (! $alt) {
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$alt = $this->textEncode(basename($options['src']));
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$output .= " alt=\"$alt\"";
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}
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// end the image tag with the automatic CSS class (if any)
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$output .= "$css />";
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// was the image clickable?
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if ($href) {
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// yes, add the href and return
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$href = $this->textEncode($href);
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$css = $this->formatConf(' class="%s"', 'css_link');
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$output = "<a$css href=\"$href\">$output</a>";
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}
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return $output;
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}
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}
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?>
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