Commit | Line | Data |
---|---|---|
6855525e JL |
1 | <?php |
2 | ||
3 | ||
4 | class Text_Wiki_Render_Xhtml_Url extends Text_Wiki_Render { | |
5 | ||
6 | ||
7 | var $conf = array( | |
8 | 'target' => '_blank', | |
9 | 'images' => true, | |
10 | 'img_ext' => array('jpg', 'jpeg', 'gif', 'png'), | |
11 | 'css_inline' => null, | |
12 | 'css_footnote' => null, | |
13 | 'css_descr' => null, | |
14 | 'css_img' => null | |
15 | ); | |
16 | ||
17 | /** | |
18 | * | |
19 | * Renders a token into text matching the requested format. | |
20 | * | |
21 | * @access public | |
22 | * | |
23 | * @param array $options The "options" portion of the token (second | |
24 | * element). | |
25 | * | |
26 | * @return string The text rendered from the token options. | |
27 | * | |
28 | */ | |
29 | ||
30 | function token($options) | |
31 | { | |
32 | // create local variables from the options array (text, | |
33 | // href, type) | |
34 | extract($options); | |
35 | ||
36 | // find the rightmost dot and determine the filename | |
37 | // extension. | |
38 | $pos = strrpos($href, '.'); | |
39 | $ext = strtolower(substr($href, $pos + 1)); | |
40 | $href = htmlspecialchars($href); | |
41 | ||
42 | // does the filename extension indicate an image file? | |
43 | if ($this->getConf('images') && | |
44 | in_array($ext, $this->getConf('img_ext', array()))) { | |
45 | ||
46 | // create alt text for the image | |
47 | if (! isset($text) || $text == '') { | |
48 | $text = basename($href); | |
49 | $text = htmlspecialchars($text); | |
50 | } | |
51 | ||
52 | // generate an image tag | |
53 | $css = $this->formatConf(' class="%s"', 'css_img'); | |
54 | $output = "<img$css src=\"$href\" alt=\"$text\" />"; | |
55 | ||
56 | } else { | |
57 | ||
58 | // should we build a target clause? | |
59 | if ($href{0} == '#' || | |
60 | strtolower(substr($href, 0, 7)) == 'mailto:') { | |
61 | // targets not allowed for on-page anchors | |
62 | // and mailto: links. | |
63 | $target = ''; | |
64 | } else { | |
65 | // allow targets on non-anchor non-mailto links | |
66 | $target = $this->getConf('target'); | |
67 | } | |
68 | ||
69 | // generate a regular link (not an image) | |
70 | $text = htmlspecialchars($text); | |
71 | $css = $this->formatConf(' class="%s"', "css_$type"); | |
72 | $output = "<a$css href=\"$href\""; | |
73 | ||
74 | if ($target) { | |
75 | // use a "popup" window. this is XHTML compliant, suggested by | |
76 | // Aaron Kalin. uses the $target as the new window name. | |
77 | $target = htmlspecialchars($target); | |
78 | $output .= " onclick=\"window.open(this.href, '$target');"; | |
79 | $output .= " return false;\""; | |
80 | } | |
81 | ||
82 | // finish up output | |
83 | $output .= ">$text</a>"; | |
84 | ||
85 | // make numbered references look like footnotes when no | |
86 | // CSS class specified, make them superscript by default | |
87 | if ($type == 'footnote' && ! $css) { | |
88 | $output = '<sup>' . $output . '</sup>'; | |
89 | } | |
90 | } | |
91 | ||
92 | return $output; | |
93 | } | |
94 | } | |
95 | ?> |