User:Quarl/redirector.js

From Wikipedia, the free encyclopedia

If a message on your talk page led you here, please be wary of who left it. Code that you insert on this page could contain malicious content capable of compromising your account. If you are unsure whether code you are adding to this page is safe, you can ask at the appropriate village pump. If this is a .js page, the code will be executed when previewing the page.
Note: After saving, you have to bypass your browser's cache to see the changes. In Internet Explorer and Firefox, hold down the Ctrl key and click the Refresh or Reload button. Opera users have to clear their caches through Tools→Preferences, see the instructions for Opera. Konqueror and Safari users can just click the Reload button.
// [[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
 
// <pre><nowiki>
 
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 = '<a><b>Redirector</b></a>'; // 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 = (
        '<h2>Redirector</h2>' +
        'Enter names of articles to redirect to <tt>'+wikiPage.page+'</tt>, and press ENTER after each one:' +
        '<form id="rcInputForm"><input type="text" id="rcConsole" name="rcConsole" size="60" value="'+wikiPage.page+'" />' +
        '<input type="submit" onclick="javascript:return redirector.inputClicked()" value="Enter" />' +
        '<input type="submit" onclick="javascript:return redirector.resetClicked()" value="Clear all" />' +
        '</form>' +
        '<table id="rcStatus" class="prettytable"><tr><th>Page</th><th>Status</th><th>Action</th></table>'
        );
    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 = (
        '<a href="' + url + '">' + t.wp.page + '</a>' +
        ' [<a href="' + urlEdit +'">edit</a>]');
 
    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 = '<span class="downloading">downloading...</span>';
    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 <a href="'+t.oldredirectwp.url+'">'+t.oldredirectwp.page+'</a>';
            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 = '<span class="'+t.status+'">' + t.statustext + '</span>';
}
 
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 = '<span class="done">Updated! (<span class="previous">' + t.statustext + '</span>)</span>';
}
 
 
redirector._load = function() {
    if (wikiPage.nsSpecialP) return;
    redirector.tab = wikitabs.addToolboxLink('javascript:redirector.run()', 'Redirector', 'ca-redirector');
}
 
addOnloadHook(redirector._load);
 
// </nowiki></pre>
User:Quarl/redirector.js

From Wikipedia, the free encyclopedia

Views

Navigation

Interaction

Search
