forked from github/kensanata.oddmuse
74 lines
2.1 KiB
JavaScript
74 lines
2.1 KiB
JavaScript
/* Copyright 2005 Alex Schroeder <alex@emacswiki.org>
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based on http://simon.incutio.com/archive/2004/05/30/plinks#p-13
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Copyright 2004 Simon Willison
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*/
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function plinkHighlight() {
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if (/#[0-9]+$/.test(document.location)) {
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// The user arrived via a plink
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var plink_id = document.location.href.split('#')[1];
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var para = document.getElementById("p" + plink_id);
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para.className = 'plink';
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}
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}
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function addpLinks() {
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/* Only show plinks on ordinary pages: They either use path_info
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* or keywords in the URL, not parameters. */
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if (/=/.test(document.location.href)) {
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return;
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}
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// find the content div: why is there no xpath?
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var elem = document.getElementsByTagName('div');
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var content;
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div:
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for (var i = 0; i < elem.length; i++) {
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var classes = elem[i].getAttribute('class').split(" ");
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for (var j = 0; j < classes.length; j++) {
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if (classes[j] == 'content') {
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content = elem[i];
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break div;
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}
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}
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}
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// identify all p and li items
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var items = new Array;
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elem = content.getElementsByTagName('p');
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for (var i = 0; i < elem.length; i++) {
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items.push(elem[i]);
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}
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elem = content.getElementsByTagName('li');
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for (var i = 0; i < elem.length; i++) {
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items.push(elem[i]);
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}
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// add named anchors at the beginning and a link to that anchor at
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// the end of all items
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for (var i = 0; i < items.length; i++) {
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var current = items[i];
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current.setAttribute("id", "p" + i);
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var anchor = document.createElement('a');
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anchor.name = i;
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current.insertBefore(anchor, current.firstChild);
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var plink = document.createElement('a');
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plink.href = document.location.href.split('#')[0] + '#' + i;
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plink.className = 'plink';
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plink.appendChild(document.createTextNode(' #'));
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current.appendChild(plink);
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}
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}
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function addLoadEvent(func) {
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var oldonload = window.onload;
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if (typeof window.onload != 'function') {
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window.onload = func;
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} else {
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window.onload = function() {
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oldonload();
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func();
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}
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}
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}
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addLoadEvent(addpLinks);
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addLoadEvent(plinkHighlight);
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