]> git.vanrenterghem.biz Git - git.ikiwiki.info.git/blobdiff - IkiWiki/Plugin/toggle.pm
po: added HOMEPAGEURL template variable, documented when to use it
[git.ikiwiki.info.git] / IkiWiki / Plugin / toggle.pm
index e203defb09f602f462ceac269d6742651691802c..657d8d3c2d49dbc40a415fde9446aaeffe761d46 100644 (file)
@@ -5,61 +5,9 @@ use warnings;
 use strict;
 use IkiWiki 2.00;
 
-# Here's the javascript that makes this possible. A key feature is the use
-# of css to hide toggleables, to avoid any flashing on page load. The css
-# is only emitted after the javascript tests that it's going to be able to
-# show the toggleables.
-our $javascript=<<'EOF';
-<script type="text/javascript">
-<!--
-if (document.getElementById && document.getElementsByTagName && document.createTextNode) {
-       document.write('<style type="text/css">div.toggleable { display: none; }</style>');
-       window.onload = inittoggle;
-}
-
-function inittoggle() {
-       var as = getElementsByClass('toggle');
-       for (var i = 0; i < as.length; i++) {
-               var id = as[i].href.match(/#(\w.+)/)[1];
-               if (document.getElementById(id).className == "toggleable")
-                       document.getElementById(id).style.display="none";
-               as[i].onclick = function() {
-                       toggle(this);
-                       return false;
-               }
-       }
-}
-
-function toggle(s) {
-       var id = s.href.match(/#(\w.+)/)[1];
-       style = document.getElementById(id).style;
-       if (style.display == "none")
-               style.display = "block";
-       else
-               style.display = "none";
-}
-
-function getElementsByClass(cls, node, tag) {
-       if (document.getElementsByClass)
-               return document.getElementsByClass(cls, node, tag);
-       if (! node) node = document;
-       if (! tag) tag = '*';
-       var ret = new Array();
-       var pattern = new RegExp("(^|\\s)"+cls+"(\\s|$)");
-       var els = node.getElementsByTagName(tag);
-       for (i = 0; i < els.length; i++) {
-               if ( pattern.test(els[i].className) ) {
-                       ret.push(els[i]);
-               }
-       }
-       return ret;
-}
-
-//-->
-</script>
-EOF
-
 sub import { #{{{
+       add_underlay("javascript");
+       hook(type => "getsetup", id => "toggle", call => \&getsetup);
        hook(type => "preprocess", id => "toggle",
                call => \&preprocess_toggle);
        hook(type => "preprocess", id => "toggleable",
@@ -67,6 +15,14 @@ sub import { #{{{
        hook(type => "format", id => "toggle", call => \&format);
 } # }}}
 
+sub getsetup () { #{{{
+       return
+               plugin => {
+                       safe => 1,
+                       rebuild => undef,
+               },
+} #}}}
+
 sub genid ($$) { #{{{
        my $page=shift;
        my $id=shift;
@@ -112,12 +68,22 @@ sub format (@) { #{{{
 
        if ($params{content}=~s!(<div class="toggleable(?:-open)?" id="[^"]+">\s*)</div>!$1!g) {
                $params{content}=~s/<div class="toggleableend">//g;
-               if (! ($params{content}=~s!^<body>!<body>$javascript!m)) {
+               if (! ($params{content}=~s!^(<body>)!$1.include_javascript($params{page})!em)) {
                        # no </body> tag, probably in preview mode
-                       $params{content}=$javascript.$params{content};
+                       $params{content}=include_javascript($params{page}, 1).$params{content};
                }
        }
        return $params{content};
 } # }}}
 
+sub include_javascript ($;$) { #{{{
+       my $page=shift;
+       my $absolute=shift;
+       
+       return '<script src="'.urlto("ikiwiki.js", $page, $absolute).
+               '" type="text/javascript" charset="utf-8"></script>'."\n".
+               '<script src="'.urlto("toggle.js", $page, $absolute).
+               '" type="text/javascript" charset="utf-8"></script>';
+} #}}}
+
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