There are 7 previous versions of this script.
Add Syntax Highlighting (this will take a few seconds, probably freezing your browser while it works)
// ==UserScript==
// @name Google Scholar Citation Explorer
// @namespace ScholarsLittleHelper
// @description Scholar's Little Helper
// @include http://scholar.google.com/scholar*
// ==/UserScript==
window.slh_MAX_CITATIONS = 1000;
window.slh_CHUNKSIZE = 100;
window.slh_SLEEP_BETWEEN_HITS = true;
function slh_main() {
// setup
window.slh_ce_citations = new Object;
window.slh_ce_citetext = new Object;
window.slh_ce_pc = 0;
window.slh_ce_stattext = " ";
window.slh_parser_div = document.createElement('div');
// parse the results on the current page
window.slh_docs_on_page = slh_parser(document.body.innerHTML);
window.slh_cited_docs_on_page = new Object;
for(var i = 0; i < slh_docs_on_page.length; i++)
if(slh_docs_on_page[i][1] > 0)
slh_cited_docs_on_page[slh_docs_on_page[i][0].toString()] = slh_docs_on_page[i].toString();
// add UI elements to the page
slh_add_checkboxes();
slh_add_notification_div();
slh_add_citexplore_div();
slh_update_notification();
window.addEventListener('resize', slh_resize, true);
}
//
// adds checkboxes next to results that can be selected
//
function slh_add_checkboxes() {
var allAnchors = document.getElementsByTagName('a');
for(var a = 0; a < allAnchors.length; a++)
if(allAnchors[a].innerHTML.match(/Cited by/i)) {
var doc_id = allAnchors[a].getAttribute('href').match(/cites=[0-9]+/i)[0].replace(/cites=/i, '');
var checkbox_span = document.createElement('span');
checkbox_span.innerHTML = "<input type='checkbox' id='slh_checkbox_"+doc_id+"'><font color='#aa0000'> Explore citations</font></input> ";
allAnchors[a].parentNode.insertBefore(checkbox_span, allAnchors[a]);
var elem = document.getElementById('slh_checkbox_'+doc_id);
elem.addEventListener("click", slh_checkbox_clicked, true);
elem.checked = (GM_getValue('slh_data'+doc_id) == undefined) ? false : true;
}
}
//
// adds a light blue background notification area to the top of a Scholar results page
//
function slh_add_notification_div() {
var notify_div = document.createElement('div');
notify_div.id = 'slh_notify_div';
notify_div.style.border = "solid 1px black";
notify_div.style.backgroundColor = "#d6e3ff";
notify_div.style.padding = "10px";
notify_div.style.marginBottom = "10px";
notify_div.innerHTML = "<b>Scholar's Little Helper</b>: You have selected <a href='#' id='slh_notify_docs_selected'>0 documents</a>. Click to start the <a href='#' id='slh_action'>citation explorer</a>.<br><div style='display: none;' id='slh_notify_doc_list'></div>";
var hdr_table = document.getElementsByTagName('table')[0];
hdr_table.parentNode.insertBefore(notify_div, hdr_table.nextSibling);
document.getElementById('slh_notify_docs_selected').addEventListener("click", slh_notify_show_sels, true);
document.getElementById('slh_action').addEventListener("click", slh_citexplore, true);
}
//
// creates the main overlay DIV for the citation explorer
//
function slh_add_citexplore_div() {
var ce_div = document.createElement('div');
var ce_bkg_div = document.createElement('div');
ce_div.id = 'slh_ce_div';
ce_div.style.position = 'absolute';
ce_div.style.top = '92px';
ce_div.style.backgroundColor = 'white';
ce_div.style.left = '30px';
ce_div.style.padding = '15px';
ce_div.style.paddingBottom = '25px';
ce_div.style.border = '3px solid gray';
ce_div.style.zIndex = 10;
ce_div.style.overflow = 'scroll';
ce_div.style.overflowX = 'hidden';
ce_div.style.overflowY = 'auto';
ce_div.style.visibility = 'hidden';
ce_bkg_div.id = 'slh_ce_bkg_div';
ce_bkg_div.style.position = 'absolute';
ce_bkg_div.style.backgroundColor = 'black';
ce_bkg_div.style.top = '0px';
ce_bkg_div.style.left = '0px';
ce_bkg_div.style.opacity = '0.8';
ce_bkg_div.style.zIndex = 9;
ce_bkg_div.style.visibility = 'hidden';
var ih= "<b><table border=0 width='100%' cellpadding=0 cellspacing=0><tr><td valign='left'>"+
"<b><font color='red'>Citation Explorer</font></b><br>Show all common citations for a subset of documents you select."+
"</td><td valign='middle' align='right'><b><span style='margin-right:30px'><a href='#' id='slh_print_button'></a></span>"+
"<a href='#' id='slh_close_button'>Close</a></b></td></tr></table><div style='width: 100%; margin-top: 10px' id='slh_ce_main'></div>";
ce_div.innerHTML = ih;
document.body.appendChild(ce_div);
document.body.appendChild(ce_bkg_div);
document.getElementById('slh_close_button').addEventListener("click", slh_ce_close, true);
document.getElementById('slh_print_button').addEventListener("click", slh_ce_print, true);
slh_resize();
}
//
// responds to the browser window being resized
//
window.slh_resize = function() {
var ce_div = document.getElementById('slh_ce_div');
var ce_bkg_div = document.getElementById('slh_ce_bkg_div');
ce_div.style.width = (window.innerWidth-120) + "px";
ce_div.style.height = (window.innerHeight-170) + "px";
ce_bkg_div.style.width = window.innerWidth + "px";
ce_bkg_div.style.height = (window.scrollMaxY + window.innerHeight) + "px";
var prog = document.getElementById('slh_progress_bar');
if(prog != undefined)
prog.style.width = Math.round((window.slh_ce_pc/100.0) * (window.innerWidth-144)) + "px";
}
//
// shows/hides the document list in the notification area
//
window.slh_notify_show_sels = function() {
var x = document.getElementById('slh_notify_doc_list');
x.style.display = (x.style.display== 'block') ? 'none' : 'block';
}
//
// updates the notification area
//
window.slh_update_notification = function() {
var docs = GM_listValues('slh_data');
document.getElementById('slh_notify_docs_selected').innerHTML = docs.length + " document" + (docs.length==1?"":"s");
var div_doclist = document.getElementById('slh_notify_doc_list');
var ih = "<table border=0 cellpadding='0px' cellspacing='10px'>";
for(var d = 0; d < docs.length; d++) {
var doc = GM_getValue(docs[d]);
if(doc == undefined)
continue;
var cite_id = doc.match(/^[0-9]+/)[0];
var num_cited = doc.match(/,[0-9]+/)[0];
var doc_txt = doc.replace(/^.*?,.*?,/, '');
ih += '<tr><td>'+doc_txt+'</td><td valign="middle"><a href="#" id="slh_notify_remove_'+cite_id+'"><b>Remove from list</b></a></td></tr>';
}
ih += "</table>"; // a little hackish because current FF doesn't seem to like direct innerHTML string appends
div_doclist.innerHTML = ih;
for(var d = 0; d < docs.length; d++) {
var doc = GM_getValue(docs[d]);
if(doc == undefined)
continue;
var cite_id = doc.match(/^[0-9]+/)[0];
document.getElementById('slh_notify_remove_'+cite_id).addEventListener('click', slh_notify_remove_item, true);
}
var x = document.getElementById('slh_notify_div');
if(docs.length == 0)
x.style.display = 'none';
else
x.style.display = 'block';
}
//
// event handler for an item being removed from the notification area
//
window.slh_notify_remove_item = function() {
var doc_id = this.id.match(/[0-9]+/)[0];
GM_deleteValue('slh_data'+doc_id);
var x = document.getElementById('slh_checkbox_'+doc_id);
if(x != null)
x.checked = false;
slh_update_notification();
}
//
// event handler for a checkbox being clicked
//
window.slh_checkbox_clicked = function() {
var doc_id = this.id.replace(/slh_checkbox_/, '');
if(this.checked)
GM_setValue('slh_data'+doc_id, slh_cited_docs_on_page[doc_id]);
else
GM_deleteValue('slh_data'+doc_id);
slh_update_notification();
}
//
// a primitive little parser for Google Scholar pages
//
window.slh_parser = function(doc) {
var result = new Array();
// find all documents with 1 or more citations
doc = doc.replace(/[\n\r\f]/g, ' ');
var Dox = doc.match(/<h3 class\s*=\s*"?r"?.*?Related articles\s*<\/a>.*?<\/font>/gi);
if(Dox == null)
return result;
// clean up results and collect in a nested array
for(var i = 0; i < Dox.length; i++) {
var thisDoc = new Array();
var doc_id = Dox[i].match(/cites=[0-9]+/i);
var num_cited = 0;
if(doc_id == null) {
// this doc has not been cited, try getting the cluster ID
var doc_id = Dox[i].match(/cluster=[0-9]+/i);
if(doc_id == null)
// no cite id and no cluster id, generate a makeshift ID
doc_id = slh_hash(Dox[i]);
} else {
doc_id = doc_id[0].replace(/cites=/i, '');
num_cited = Dox[i].match(/Cited by [0-9]+/i)[0].replace(/Cited by /i, '');
if(num_cited > window.slh_MAX_CITATIONS)
num_cited = window.slh_MAX_CITATIONS;
}
thisDoc.push(doc_id, num_cited, Dox[i])
result.push(thisDoc);
}
return result;
}
//
// generic error handler
//
window.slh_error = function(err) {
alert(err);
window.slh_ce_close();
}
//
// populate the CE window with the current intersection of citations
//
window.slh_ce_update_intersection = function() {
var result = undefined;
// calculate intersection
for(var r = 0; r < window.slh_ce_roots.length; r++) {
var root = window.slh_ce_roots[r];
var root_cache = window.slh_ce_citecache[root[0]];
if(document.getElementById('slh_ce_sel_'+r).checked) {
if(result == undefined)
result = root_cache.slice(0);
else
result = slh_ce_isect(result, root_cache);
if(result.length == 0)
break;
}
}
// dump the results
var ih = "";
if(result != undefined && result.length > 0) {
for(var x = 0; x < result.length; x++)
ih += window.slh_ce_txtcache[result[x]] + '<p>';
}
else
ih = "No common citations.";
document.getElementById('slh_ce_isect').innerHTML = ih;
}
window.slh_ce_isect = function(a1, a2) {
var p1 = 0;
var p2 = 0;
var isect = new Array();
while(p1 < a1.length && p2 < a2.length)
if(a1[p1].toString() == a2[p2].toString()) {
isect.push(a1[p1]);
p1++;
p2++;
} else
if(a1[p1].toString() < a2[p2].toString())
p1++;
else
p2++;
return isect;
}
//
// the main citation explorer mini-application
// consider this the entry point for it, or a modal dialog on top of
// Google Scholar
//
window.slh_citexplore = function() {
// check if we have enough documents to compare (i.e., more than 1)
var docs = GM_listValues('slh_data');
if(docs.length < 2) {
alert("Please select at least two documents before starting the citation explorer.");
return;
}
// show our "dialog box" and get a handle to our div
var ce_nd = document.getElementById('slh_notify_div').parentNode;
ce_nd.style.overflow = 'hidden';
var ce_div = document.getElementById('slh_ce_div');
var ce_bkg_div = document.getElementById('slh_ce_bkg_div');
ce_div.style.visibility = 'visible';
ce_bkg_div.style.visibility = 'visible';
var ce_mainwnd = document.getElementById('slh_ce_main');
if(ce_mainwnd == null)
return slh_error('Cannot start citation explorer.');
// set up initial window elements (progress bar and a table for showing progress details)
var ih= "<div id='slh_progress_bar' style='width: 5px; background-color: #d6e3ff; border: 1px solid gray; color: #aa0000; padding-top: 10px; padding-bottom: 10px; font-size: 16pt; font-weight: bold; text-align: center;'>0%</div>"+
"<font size=-1>Downloaded <b><span id='slh_progress_bar_text'>0 of 0</span></b> citations.<br><b>Status: </b><span id='slh_progress_txtstatus'> </span></font>"+
"<p><table border=0 cellpadding='10px' cellspacing='10px' id='slh_ce_prog_table>"+
"<tr><td><b>Citations</b></td><td><b>Document</b></td></tr>"
+"</table>";
ce_mainwnd.innerHTML = ih;
var slh_ce_prog_table = document.getElementById('slh_progress_table');
// prepare the citation root list:
// PRE: none
window.slh_ce_roots = new Array();
window.slh_ce_at_root = 0;
window.slh_ce_total_cites = 0;
for(var d = 0; d < docs.length; d++) {
var doc = GM_getValue(docs[d]);
var doc_id = doc.match(/^[0-9iA-Za-z]+/)[0];
var doc_num_cited = parseInt(doc.match(/,[0-9]+/)[0].substring(1));
var doc_txt = doc.replace(/^.*?,.*?,/, '');
var curDoc = new Array();
curDoc.push(doc_id, doc_num_cited, doc_txt);
window.slh_ce_roots.push(curDoc);
window.slh_ce_total_cites += doc_num_cited;
}
// POST: slh_ce_roots[0...#roots] = [ [doc_id, doc_num_cited, doc_txt], ... ]
// slh_ce_total_cites = total # of citations for all checked documents
// set the initial state for the citation downloader
window.slh_down_quit_flag = false;
window.slh_ce_at_root = 0;
window.slh_ajax_result = new Array();
return slh_get_citations();
}
//
// gets all citing documents using either the internal cache or ajax requests
// to the server
// PRE: slh_ce_roots[0...#roots] = [ [doc_id, doc_num_cited, doc_txt], ... ]
// POST: slh_ce_citations{doc_id t} = [citing doc 1, ... ] for all 't' in [0...#roots]
// slh_ce_citetext{doc_id t} = "<citation html for t>"
// calls slh_downloader_finished() when all roots have a citation list in slh_ce_citations
//
window.slh_get_citations = function() {
if(window.slh_ce_at_root >= window.slh_ce_roots.length) {
// clear up the call stack a bit
document.getElementById('slh_ce_main').innerHTML = "";
window.setTimeout(slh_downloader_finished, 300);
return;
}
var root = window.slh_ce_roots[window.slh_ce_at_root];
// add row for current root to progress table
if(window.slh_ajax_result.length == 0 && root[1] > 0) {
// add the information to the progress table
var row = document.getElementById('slh_ce_prog_table').insertRow(1);
var t1 = document.createElement('div');
var t2 = document.createElement('div');
t1.innerHTML = root[2];
t2.innerHTML = '0 of '+(root[1]>slh_MAX_CITATIONS?slh_MAX_CITATIONS+"+":root[1]);
t2.style.fontSize = '16pt';
var cell1 = row.insertCell(0).appendChild(t2);
var cell2 = row.insertCell(1).appendChild(t1);
window.slh_down_statcell = t2;
window.slh_down_statcell2 = t1;
}
// check if each root is already in the cache (no need to hit server then)
if(root[0] in window.slh_ce_citations) {
// already in the cache (slh_ce_citations)
window.slh_ajax_result.length = root[1]>slh_MAX_CITATIONS?slh_MAX_CITATIONS:root[1];
slh_citation_downloader_status();
window.slh_ce_at_root++;
if(window.slh_ajax_result.length > 0)
window.slh_ajax_result = new Array();
window.setTimeout(slh_get_citations, 50);
return;
} else {
// not in cache, check progress on current ajax request needs to be initiated
if(window.slh_ajax_result.length >= (root[1]<window.slh_MAX_CITATIONS?root[1]:window.slh_MAX_CITATIONS)) {
// done with this root
window.slh_ce_citations[root[0]] = window.slh_ajax_result;
slh_citation_downloader_status();
window.slh_ce_at_root++;
window.slh_ajax_result = new Array();
window.setTimeout(slh_get_citations, 50);
return;
} else {
// need more ajax requests
window.slh_ajax_url = 'http://scholar.google.com/scholar?num='+window.slh_CHUNKSIZE+'&hl=en&lr=&safe=off&cites='+root[0]+'&start='+window.slh_ajax_result.length+'&sa=N';
window.setTimeout(slh_ajax_hit_server, window.slh_SLEEP_BETWEEN_HITS ? 1500 + Math.floor(Math.random()*2000) : 50);
window.slh_ce_stattext = "Waiting for a bit...";
slh_citation_downloader_status();
return;
}
}
}
window.slh_ajax_hit_server = function() {
window.slh_ce_stattext = "Requesting more citations.";
GM_xmlhttpRequest({
method: 'GET',
url: window.slh_ajax_url,
headers: {'Accept': 'text/html',
'User-agent': 'Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9a3pre) Gecko/20070330' },
onload: slh_ajax_success,
onerror: slh_ajax_error });
}
window.slh_ajax_error = function(resp) {
alert("Error "+resp.status+" parsing response from the server.");
slh_ce_close();
}
window.slh_ajax_success = function(resp) {
if(parseInt(resp.status) != 200)
return slh_ajax_error(resp)
var root = window.slh_ce_roots[window.slh_ce_at_root];
window.slh_ce_stattext = "Received more citations.";
// process the results
var parsed = slh_parser(resp.responseText);
for(var d = 0; d < parsed.length; d++) {
var docid = parsed[d][0];
window.slh_ajax_result.push(docid);
window.slh_ce_citetext[docid] = parsed[d][2];
}
// get the latest estimate of the total number of results
resp.responseText = resp.responseText.replace(/,/g, '');
var cur_start = resp.responseText.match(/Results <b>[0-9]+/i);
var cur_end = resp.responseText.match(/Results <b>[0-9]+<\/b>\s*-\s*<b>[0-9]+/i);
var cur_total = resp.responseText.match(/[0-9]+<\/b>\s*of.*?<b>[0-9]+/i);
if(resp.responseText.match(/Sorry,? we didn/i) != null) {
cur_start = 0; cur_total = 0; cur_end = 0;
root[1] = 0;
} else {
if(cur_start == null || cur_end == null || cur_total == null)
return slh_ajax_error(resp);
cur_start = cur_start[0].match(/[0-9]+/)[0];
cur_end = cur_end[0].replace(/.*<b>/, '');
cur_total = cur_total[0].replace(/.*<b>/, '');
}
// update citation estimates
if(cur_total <= window.slh_MAX_CITATIONS && cur_total < root[1]) {
root[1] = cur_total;
// TODO: update num_cited values in GM persistent storage
}
if(cur_end-cur_start+1 < window.slh_CHUNKSIZE)
// no more results
root[1] = window.slh_ajax_result.length;
slh_citation_downloader_status();
window.setTimeout(slh_get_citations, 50);
}
window.slh_citation_downloader_status = function() {
// calculate progress
var total_prog = 0;
var total_cites = 0;
for(var r = 0; r < window.slh_ce_roots.length; r++) {
var root = window.slh_ce_roots[r];
if(window.slh_ce_at_root > r) {
total_cites += parseInt(window.slh_ce_citations[root[0]].length);
total_prog += parseInt(window.slh_ce_citations[root[0]].length);
} else {
if(window.slh_ce_at_root == r) {
total_cites += parseInt(root[1]);
total_prog += parseInt(window.slh_ajax_result.length);
} else
total_cites += parseInt(root[1]);
}
}
// update progress indicators
var pc = Math.round(total_prog*100.0 / total_cites);
document.getElementById('slh_progress_bar').innerHTML = pc + "%";
document.getElementById('slh_progress_bar').style.width = Math.round((pc/100.0) * (document.getElementById('slh_ce_div').style.width.match(/[0-9]+/)[0]-24)) + "px";
document.getElementById('slh_progress_bar_text').innerHTML = total_prog+' of '+total_cites;
document.getElementById('slh_progress_txtstatus').innerHTML = window.slh_ce_stattext;
var act_root = window.slh_ce_roots[window.slh_ce_at_root];
if(act_root != null && "slh_down_statcell" in window)
window.slh_down_statcell.innerHTML = window.slh_ajax_result.length+' of '+(act_root[1]>window.slh_MAX_CITATIONS?window.slh_MAX_CITATIONS:act_root[1]);
window.slh_ce_pc = pc;
}
//
// post-downloading screen setup
// to be called from slh_get_citations() after all citations have been successfully downloaded.
// PRE: slh_ce_citations{doc_id} = [ citing doc 1, ... ]
// slh_ce_citetext{doc_id} = "<citation html>"
// slh_ce_roots is populated with the roots
//
window.slh_downloader_finished = function() {
window.slh_ce_stattext = "Done.";
var ce_mainwnd = document.getElementById('slh_ce_main');
ce_mainwnd.innerHTML = "<table border=0 cellpadding='5px' cellspacing='5px' id='slh_ce_selector_table'><tr style='background-color: #d6e3ff;'><td><b>Document #</b></td><td>"+
"<b>Include</b></td><td><b>Citation</b></td></tr></table><hr><div id='slh_ce_isect'></div><p><hr><font size=-2>Copyright © 2009 <a href='http://compbio.cs.uic.edu/~mayank/software/slh/'>Mayank Lahiri</a>, version 1.2</font>";
document.getElementById('slh_print_button').innerHTML = "Printable version";
// add documents to the intersection selector table
for(var r = 0; r < window.slh_ce_roots.length; r++) {
var root = window.slh_ce_roots[r];
var cites = window.slh_ce_citations[root[0]];
cites.sort();
// add to the table
var row = document.getElementById('slh_ce_selector_table').insertRow(-1);
row.style.backgroundColor = 'white';
var t1 = document.createElement('div');
var t2 = document.createElement('div');
var t3 = document.createElement('div');
t1.innerHTML = r+1;
t1.style.textAlign = 'center';
t2.innerHTML = "<input type='checkbox' checked='true' id='slh_ce_sel_"+r+"' style='width: 50px; height: 80px; padding: 0px;'> </input>";
t3.innerHTML = root[2].replace(/Cited by [0-9]+/i, "Cited by "+root[1]);
t1.style.fontSize = '24pt';
var cell1 = row.insertCell(0).appendChild(t1);
var cell2 = row.insertCell(1).appendChild(t2);
var cell3 = row.insertCell(2).appendChild(t3);
document.getElementById('slh_ce_sel_'+r).addEventListener("click", slh_ce_update_intersection, true);
}
slh_ce_update_intersection();
}
//
// updates the document list with the currently selected (via checkboxes)
// intersection set
//
// can be called independently but also the click event handler for checkboxes
//
window.slh_ce_update_intersection = function() {
// calculate intersection
var result = undefined;
for(var r = 0; r < window.slh_ce_roots.length; r++) {
var root = window.slh_ce_roots[r];
var cites = window.slh_ce_citations[root[0]];
if(document.getElementById('slh_ce_sel_'+r).checked) {
if(result == undefined)
result = cites.slice(0); // deep copies cites to result
else
result = slh_ce_isect(result, cites);
if(result.length == 0)
break;
}
}
// POST: result holds the current intersection
// dump the results
var ih;
if(result != undefined && result.length > 0) {
ih = result.length + " results.<p>";
for(var x = 0; x < result.length; x++)
ih += window.slh_ce_citetext[result[x]] + '<p>';
}
else
ih = "No common citations.";
document.getElementById('slh_ce_isect').innerHTML = ih;
}
window.slh_ce_isect = function(a1, a2) {
var p1 = 0;
var p2 = 0;
var isect = new Array();
while(p1 < a1.length && p2 < a2.length)
if(a1[p1].toString() == a2[p2].toString()) {
isect.push(a1[p1]);
p1++;
p2++;
} else
if(a1[p1].toString() < a2[p2].toString())
p1++;
else
p2++;
return isect;
}
//
// close citation explorer mini-window
// abort any pending XMLHttp requests gracefully
//
window.slh_ce_close = function() {
// hide the DIVs and set the download thread quitting flag
var ce_div = document.getElementById('slh_ce_div');
var ce_bkg_div = document.getElementById('slh_ce_bkg_div');
ce_div.style.visibility = 'hidden';
ce_bkg_div.style.visibility = 'hidden';
var ce_nd = document.getElementById('slh_notify_div').parentNode;
ce_nd.style.overflow = 'auto';
window.slh_down_quit_flag = true;
document.getElementById('slh_print_button').innerHTML = "";
}
//
// very simple hash function -- do not use ANYWHERE else but here
//
window.slh_hash = function(txt) {
var result = "";
var t = "";
window.slh_parser_div.innerHTML = txt;
var r = window.slh_parser_div.getElementsByTagName('*');
if(r == null) {
slh_error("Cannot PARSE!!");
return;
} else
for(var i = 0; i < r.length; i++)
if(r[i].innerHTML.match(/</) == null)
t = t + '--' + r[i].innerHTML;
for(var i = 0; i < t.length; i+=3) {
var c = t.charAt(i);
if(c.match(/[a-zA-Z0-9]/))
result = result + c;
}
return result;
}
//
// generates a printable version of the citation list
//
window.slh_ce_print_sorter = function(b,a) {
return window.slh_temp_isect[a].length < slh_temp_isect[b].length ? -1 : (slh_temp_isect[a].length > slh_temp_isect[b].length ? 1 : 0);
}
window.slh_ce_print = function() {
var pwin = window.open('', 'Google Scholar Citation Explorer Results-to-go', 'resizable=yes,toolbar=no,location=no,menubar=yes,personalbar=no,status=no,scrollbars=yes');
pwin.document.body.innerHTML = '<head></head>'
var ih = "<table border=0 cellpadding='5px' cellspacing='5px' id='slh_ce_selector_table'><tr style='background-color: #d6e3ff;'><td><b>Document #</b></td><td>Citation</td></tr>";
// transfer stylesheets to printy window
var styles = document.getElementsByTagName('style');
for(var s = 0; s < styles.length; s++) {
var styl = styles[s].cloneNode(true);
pwin.document.getElementsByTagName('head')[0].appendChild(styl);
}
// add root citations
for(var r = 0; r < window.slh_ce_roots.length; r++) {
var root = window.slh_ce_roots[r];
ih += "<tr><td style='font-size: 28pt; text-align: center'>"+(r+1)+"</td><td>"+root[2]+"</td></tr>";
}
ih += "</table><p><hr><font size=-2>Generated by Google Scholar Citation Explorer<pre>http://compbio.cs.uic.edu/~mayank/software/slh/</pre></font><p>";
// sort all citations by number of intersections in common
window.slh_temp_isect = new Object(); var clist = new Array();
for(var r = 0; r < window.slh_ce_roots.length; r++) {
var root = window.slh_ce_roots[r];
var cites = window.slh_ce_citations[root[0]];
for(var c = 0; c < cites.length; c++)
if(cites[c] in window.slh_temp_isect)
window.slh_temp_isect[cites[c]].push(r);
else {
window.slh_temp_isect[cites[c]] = new Array();
window.slh_temp_isect[cites[c]].push(r);
clist.push(cites[c]);
}
}
clist.sort(slh_ce_print_sorter);
// print citations
ih += "<table border=0 cellpadding = '5px' cellspacing = '5px'><tr style='background-color: #d6e3ff'>";
for(var r = 0; r < window.slh_ce_roots.length; r++)
ih += '<td style="font-size: 28pt; font-weight: bold">'+(r+1)+'</td>';
ih += '<td></td></tr>';
for(var c = 0; c < clist.length; c++) {
var ct = clist[c];
var citingdocs = window.slh_temp_isect[ct];
ih += '<tr>';
var at = 0;
for(var d = 0; d < window.slh_ce_roots.length; d++) {
ih += '<td style="font-size: 28pt; font-weight: bold">';
if(d > citingdocs[at])
at++;
else
if(d == citingdocs[at]) {
at++;
ih += 'X';
}
ih += '</td>';
}
ih += '<td>'+window.slh_ce_citetext[ct]+'</td>';
ih += '</tr>';
}
ih += '</table>';
window.slh_temp_isect = undefined; // mark for garbage collection
pwin.document.body.innerHTML += ih;
}
slh_main();
