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Adds and/or modifies link and image title attributes to include more informaton
// ==UserScript==
// @name Link Tooltips
// @namespace Cromagnon
// @description Adds and/or modifies link and image title attributes to include more informaton
// @include *
// @version 1.2.0202
// ==/UserScript==
//go through and add or modify each link's title
//
// !Link.title -> Link.href
//
// !Link.href
//
// Link.title -> unchanged
//
// Link.href = #
//
// Link.title -> unchanged
//
// Link.title -> Link.title + ( Link.href )
//
// !Img.title
//
// !Img.alt
//
// Img.title -> Link.title
//
// !Link.href
//
// Img.title -> Img.alt
//
// Link.href = #
//
// Img.title -> Img.alt
//
// Img.title -> Img.alt + ( Link.href )
//
// !Link.href
//
// Img.title -> unchanged
//
// Link.href = #
//
// Img.title -> unchanged
//
// Img.title -> Img.title + ( Link.href )
//
//
function checkLinkTitles(e) {
var target = (e == null) ? document : e.target;
var links = target.getElementsByTagName("a");
if (links.length == 0) {
if (target.nodeName != "A") return;
links = [];
links.push(target);
};
for (var i = 0; link = links[i]; ++i) {
//if (link.getAttribute("modified-by") == "Link Tooltips") continue;
//link.setAttribute("modified-by", "Link Tooltips");
var href = link.getAttribute("href");
var title = link.getAttribute("title");
if (!title) {
if (href != null) link.setAttribute("title", href);
} else if ((href != null) && (href != "#")) {
if ((title != href) && (title.indexOf("(" + href + ")") == -1))
link.setAttribute("title", title + "\n (" + href + ")");
};
//in the latest FireFox versions, titles on image elements override those on enclosing links
var imgs = link.getElementsByTagName("img");
for(var j = 0; img = imgs[j]; ++j) {
var title = img.getAttribute("title");
var alt = img.getAttribute("alt");
if (!title) {
if (!alt)
img.setAttribute("title", link.getAttribute("title"));
else if ((href != null) && (href != "#"))
img.setAttribute("title", alt + "\n (" + href + ")");
else img.setAttribute("title", alt);
}
else if ((href != null) && (href != "#")) {
if ((title != href) && (title.indexOf("(" + href + ")") == -1))
img.setAttribute("title", title + "\n (" + href + ")");
}
}
}
};
// Main function
//
function init() {
checkLinkTitles();
document.addEventListener("DOMSubtreeModified", checkLinkTitles, false);
};
// Call our main function.
//
init();
//end