User:Quarl/redirector.js

// User:Quarl/redirector.js - "Redirector" application

// When you invoke the Redirector (through a tab), adds a new form to the

// document. Start typing page names and press ENTER after each one. A table

// will show the current status of each page (already a redirect, doesn't

// exist, etc.), and if you click "Redirect!", the target page will be updated

// to redirect to the current page.

// quarl 2006-02-09 initial version

// depends: util.js, wikipage.js, wikiedit.js, wikitabs.js

//

var redirector = new Object();
// seconds between updates
redirector.update_interval = 1.0;
// maximum number of concurrent requests
redirector.max_concurrent_requests = 5;
redirector._entries = [];
redirector._requests_in_progress = 0;
redirector.run = function() {
redirector.tab.innerHTML = 'Redirector'; // prevent future clicks
redirector.annotateDocument();
}
addStylesheetRule = function(tag, style) {
var ss = document.styleSheets[0];
if (ss.insertRule) {
ss.insertRule(tag + '{' + style + '}', ss.cssRules.length);
} else if (ss.addRule) {
ss.addRule(tag, style);
}
}
redirector.annotateDocument = function() {
if (document.getElementById('redirector')) {
// already done, called again for some reason
return;
}
addStylesheetRule('#redirector', 'border: 1px solid red; padding: 1em;');
addStylesheetRule('#redirector .redirectorStatus .downloading', 'color:grey');
addStylesheetRule('#redirector .redirectorStatus .empty', 'color:black');
addStylesheetRule('#redirector .redirectorStatus .toHere', 'color:green');
addStylesheetRule('#redirector .redirectorStatus .toElsewhere', 'color:red');
addStylesheetRule('#redirector .redirectorStatus .notRedirect', 'color:red');
addStylesheetRule('#redirector .redirectorStatus .done', 'color:green');
addStylesheetRule('#redirector .redirectorStatus .previous', 'text-decoration: line-through; color: #888;');
var divLoc = document.getElementById('jump-to-nav');
if (!divLoc) {
alert("Redirector: couldn't get 'jump-to-nav' (error d5153643-a8c1-46ad-8d8e-c5d3fe066c77)");
return null;
}
redirector.doc = new Object();
redirector.doc.div = document.createElement('div');
redirector.doc.div.id = 'redirector';
redirector.doc.div.innerHTML = (
'
Redirector
' +

'Enter names of articles to redirect to '+wikiPage.page+', and press ENTER after each one:' +
'
' +

'' +
'' +
'
' +

'
Page
Status
Action
'

);
add_after(divLoc, redirector.doc.div);
redirector.doc.rcConsole = document.getElementById('rcConsole');
redirector.doc.rcStatus = document.getElementById('rcStatus');
redirector.doc.rcConsole.focus();
redirector._timerUpdate();
}
redirector.inputClicked = function() {
var target = trimspaces(redirector.doc.rcConsole.value);
if (!target) return false;
if (target == wikiPage.page) return false;
redirector.addEntry(target);
// redirector.doc.rcConsole.value = wikiPage.page;
return false;
}
redirector.resetClicked = function() {
for (var i in redirector._entries) {
redirector._entries[i].clearentry = true;
}
return false;
}
redirector.addEntry = function(s) {
var t = new Object();
// wiki page
t.wp = new WikiPage(null, s);
if (!t.wp) return;
// delete old entry if any
for (var i in redirector._entries) {
if (redirector._entries[i].wp.page == t.wp.page) {
redirector._entries[i].clearentry = true;
}
}
// object for document status nodes.  null = not yet added
t.statusnode = null;
// download request status.  0 = not yet initiated; 1 = initiated; 2 =
// finished
t.downloadstatus = 0;
// WikiEditor instance
t.editor = null;
// string value of old contents of target page
t.oldcontents = null;
t.oldredirect = null;
// whether user has clicked "update" button
t.updatewanted = false;
// whether update requires confirmation
t.updatedangerous = false;
// update request status.  0 = not yet initiated; 1 = iniatited; 2 =
// completed
t.updatestatus = 0;
// whether this entry should be cleared when done with it
t.clearentry = false;
t.ignore = false;
redirector._entries.push(t);
redirector.update();
}
// main action loop
redirector.update = function() {
for (var i in redirector._entries) {
var t = redirector._entries[i];
if (t.ignore) continue;
if (t.clearentry) {
// only clear it if nothing in progress
if ((t.downloadstatus == 0 || t.downloadstatus == 2) &&
(t.updatestatus == 0 || t.updatestatus == 2))
{
t.statusnode.tr.parentNode.removeChild(t.statusnode.tr);
t.ignore = true;
continue;
}
}
if (!t.statusnode) {
redirector._addStatusNode(t);
}
if (redirector._requests_in_progress < redirector.max_concurrent_requests) {
if (t.downloadstatus == 0) {
redirector._initiateDownload(t);
} else if (t.downloadstatus == 2 && t.updatewanted && t.updatestatus == 0) {
redirector._initiateUpdate(t);
}
}
}
}
redirector._timerUpdate = function() {
redirector.update();
setTimeout(redirector._timerUpdate, redirector.update_interval * 1000);
}
redirector._addStatusNode = function(t) {
t.statusnode = new Object();
t.statusnode.tr = document.createElement('tr');
t.statusnode.page = document.createElement('td');
var url = t.wp.qurl + '&redirect=no';
var urlEdit = t.wp.qurl + '&action=edit';
t.statusnode.page.innerHTML = (
'' + t.wp.page + '' +
' [edit]');
t.statusnode.status = document.createElement('td');
t.statusnode.status.className = 'redirectorStatus';
t.statusnode.status.innerHTML = '...';
t.statusnode.action = document.createElement('td');
t.statusnode.button = document.createElement('button');
t.statusnode.button.onclick = function() { redirector._actionClick(t) };
t.statusnode.button.disabled = true;
t.statusnode.button.innerHTML = 'please wait';
t.statusnode.action.appendChild(t.statusnode.button);
t.statusnode.tr.appendChild(t.statusnode.page);
t.statusnode.tr.appendChild(t.statusnode.status);
t.statusnode.tr.appendChild(t.statusnode.action);
redirector.doc.rcStatus.appendChild(t.statusnode.tr);
}
redirector._actionClick = function(t) {
if (t.updatedangerous) {
if (!window.confirm("The target is not a redirect.  Are you sure?")) return;
}
t.updatewanted = true;
t.statusnode.button.disabled = true;
}
redirector._initiateDownload = function(t) {
t.downloadstatus = 1;
redirector._requests_in_progress ++;
t.statusnode.status.innerHTML = 'downloading...';
t.wp.getEditorAsync(redirector._downloadComplete, t);
}
redirector._downloadComplete = function(editor, t) {
t.downloadstatus = 2;
redirector._requests_in_progress --;
t.editor = editor;
t.oldcontents = t.editor.wpTextbox1;
if (t.oldcontents.match(/^(?:\s|\n)*$/)) {
t.status = 'empty';
t.statustext = "empty";
t.statusnode.button.innerHTML = 'Create redirect!';
t.statusnode.button.disabled = false;
} else if (t.oldcontents.match(/^\s*#REDIRECT \[\[(.+?)\]\]/i)) {
t.oldredirect = RegExp.$1;
t.oldredirectwp = new WikiPage(null, t.oldredirect);
if (t.oldredirect == wikiPage.page) {
t.status = 'toHere';
t.statustext = 'redirect to here';
t.statusnode.button.innerHTML = 'Nothing to do!';
t.statusnode.button.disabled = true;
} else {
t.status = 'toElsewhere';
t.statustext = 'redirect to '+t.oldredirectwp.page+'';
t.statusnode.button.innerHTML = 'Alter redirect!';
t.updatedangerous = true;
t.statusnode.button.disabled = false;
}
} else {
t.status = 'notRedirect';
t.old_wordcount = t.oldcontents.split(/\s+/).length;
t.statustext = 'non-redirect (' + t.old_wordcount + ' words)';
t.statusnode.button.innerHTML = 'Change to redirect';
t.updatedangerous = true;
t.statusnode.button.disabled = false;
}
t.statusnode.status.innerHTML = '' + t.statustext + '';
}
redirector._initiateUpdate = function(t) {
t.updatestatus = 1;
t.statusnode.button.innerHTML = 'Submitting...';
redirector._requests_in_progress ++;
var rd = t.editor.wpTextbox1 = '#REDIRECT ' + wikiPage.page + '\n';
if (t.status == 'empty') {
t.editor.wpSummary = 'Creating ' + rd;
} else if (t.status == 'toElsewhere') {
t.editor.wpSummary = 'Changing redirect from ' + t.oldredirectwp.page + ' to ' + rd;
} else if (t.status == 'notRedirect') {
t.editor.wpSummary = 'Changing article (' + t.old_wordcount + ' words) to ' + rd;
} else {
alert("internal error 3056fdaf-1147-4433-8334-d92eb2ffd8b7");
return;
}
t.editor.submitAsync(null, redirector._updateComplete, t);
}
redirector._updateComplete = function(editor, t) {
t.updatestatus = 2;
t.statusnode.button.innerHTML = 'Done!';
redirector._requests_in_progress --;
t.statusnode.status.innerHTML = 'Updated! (' + t.statustext + ')';
}
redirector._load = function() {
if (wikiPage.nsSpecialP) return;
redirector.tab = wikitabs.addToolboxLink('javascript:redirector.run()', 'Redirector', 'ca-redirector');
}
addOnloadHook(redirector._load);
//