User:TheJosh/Scripts/RecentChangesPatrol.js

var rcp_http; var rcp_enabled; var rcp_num_pages; var rcp_refresh;

$( rcp_init );

/* initalise */ function rcp_init {

// allow user settings through if(rcp_enabled == null) { rcp_enabled = false; } if(rcp_num_pages == null) { rcp_num_pages = 10; } if(rcp_refresh == null) { rcp_refresh = 5; }

// A few limits to be nice to the servers if (rcp_num_pages > 50) { rcp_num_pages = 50; } if (rcp_num_pages < 1) { rcp_num_pages = 1; } if (rcp_refresh < 2) { rcp_refresh = 2; }

// get our cookie if (document.cookie.length > 0) { var c_start = document.cookie.indexOf("rcp_show_box="); if (c_start != -1) { c_start = c_start + 13; var c_end = document.cookie.indexOf(";", c_start); if (c_end == -1) { c_end = document.cookie.length; }

if (document.cookie.substring(c_start, c_end) == "yes") { rcp_enabled = true; } else { rcp_enabled = false; }   }   }

// Either make a request or show nothing if (rcp_enabled == true) { rcp_ajax_request; } else { rcp_draw_disabled_box; } }

/* init ajax */ function rcp_create_request { try { rcp_http = new XMLHttpRequest;

} catch (e) { try { rcp_http = new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) { try { rcp_http = new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) { alert("Your browser does not support AJAX!"); return false; }   }  }

rcp_http.onreadystatechange = function { if(rcp_http.readyState == 4) rcp_ajax_response; }

return true; }

/* make a request */ function rcp_ajax_request { // check we are enabled if (rcp_enabled == false) return;

// firstly, inform the user var cur_box = document.getElementById('p-recentchanges'); if (cur_box != null) { cur_box.firstChild.firstChild.data = 'Recent Changes (updating)'; }

if (rcp_create_request == false) { if (cur_box != null) { cur_box.firstChild.firstChild.data = 'Recent Changes (update failed)'; } else { alert ("There seems to be a problem using the RecentChangePatrol script. I can't make AJAX objects, so I'm just going to complain. God Bless!"); } }

// Then make the request rcp_http.open("GET", "http://en.wikipedia.org/w/api.php?action=query&list=recentchanges&format=xml&rcnamespace=0&rcshow=!bot&rcshow=!minor&rclimit=" + rcp_num_pages, true); rcp_http.send(null); }

/* we have received a response */ function rcp_ajax_response {

var items = rcp_http && rcp_http.responseXML ? rcp_http.responseXML.getElementsByTagName('rc') : [];

// create the div that holds all the recentchanges links var link_div = document.createElement('div'); link_div.className = 'pBody'; var list = document.createElement('ul'); link_div.appendChild(list);

// populate the list with 10 links. for (var i = 0; i < items.length; i++) { var item_name = items[i].getAttribute('title'); var item_url = 'http://en.wikipedia.org/w/index.php?diff=cur&oldid=prev&title=' + escape(item_name);

a = document.createElement('a'); a.setAttribute('href', item_url); a.appendChild(document.createTextNode(item_name));

var li = document.createElement('li'); li.appendChild(a); list.appendChild(li); }

// Container div var div = document.createElement('div'); div.setAttribute('id', 'p-recentchanges'); div.className = 'portlet'; var heading = document.createElement('h5'); heading.appendChild(document.createTextNode('Recent Changes')); div.appendChild(heading); div.appendChild(link_div);

// disable link var p = document.createElement('p'); p.style.fontSize = 'x-small'; p.style.margin = '0px'; p.style.textAlign = 'right'; a = document.createElement('a'); a.appendChild(document.createTextNode('disable this box')); a.onclick = rcp_disable_box; p.appendChild(a); link_div.appendChild(p);

// now replace the div var old_div = document.getElementById('p-recentchanges'); var side_col = document.getElementById('column-one'); if (old_div != null) { side_col.replaceChild(div, old_div); } else { var node = document.getElementById('p-search'); side_col.insertBefore(div, node); }

// and do it again in 5 secs setTimeout("rcp_ajax_request", rcp_refresh * 1000); }

function rcp_disable_box { rcp_enabled = false; rcp_draw_disabled_box; document.cookie = "rcp_show_box=no; path=/"; }

function rcp_enable_box { rcp_enabled = true; document.cookie = "rcp_show_box=yes; path=/"; rcp_ajax_request; }

function rcp_draw_disabled_box { // Container div var link_div = document.createElement('div'); link_div.className = 'pBody'; var div = document.createElement('div'); div.setAttribute('id', 'p-recentchanges'); div.className = 'portlet'; var heading = document.createElement('h5'); heading.appendChild(document.createTextNode('Recent Changes')); div.appendChild(heading); div.appendChild(link_div);

// enable link var p = document.createElement('p'); p.style.fontSize = 'x-small'; p.style.margin = '0px'; var a = document.createElement('a'); a.appendChild(document.createTextNode('enable this box')); a.onclick = rcp_enable_box; p.appendChild(a); link_div.appendChild(p);

// now replace the div var old_div = document.getElementById('p-recentchanges'); var side_col = document.getElementById('column-one'); if (old_div != null) { side_col.replaceChild(div, old_div); } else { var node = document.getElementById('p-search'); node.parentNode.insertBefore(div, node); } }