User:Animum/massdelete.js

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Documentation for this user script can be added at User:Animum/massdelete.
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function doMassDelete() {
    document.getElementById("wpMassDeleteSubmit").disabled = true;
    var articles = document.getElementById("wpMassDeletePages").value.split("\n");
    if(articles.length == 0) return;
    var wpMassDeleteReasons = document.getElementById("wpMassDeleteReasons").value, wpMassDeleteReason = document.getElementById("wpMassDeleteReason").value, deleted = 0, failed = new Array(), error = new Array();
    for(i=0;i<articles.length;i++) {
        var article = articles[i];
        if(article.length > 0) {
            var req = sajax_init_object();
            req.open("GET", wgScriptPath + "/api.php?format=json&action=query&prop=info&intoken=delete&titles=" + encodeURIComponent(article), false);
            req.send(null);
            var response = eval("(" + req.responseText + ")").query.pages;
            for(var index in response) {
                var info = response[index];
                var deletetoken = info.deletetoken;
                var postdata = "format=json"
                             + "&action=delete"
                             + "&title=" + encodeURIComponent(article)
                             + "&reason=" + encodeURIComponent(wpMassDeleteReasons == "other" ? wpMassDeleteReason : wpMassDeleteReasons + (wpMassDeleteReason ? " (" + wpMassDeleteReason + ")" : ""))
                             + "&token=" + encodeURIComponent(deletetoken);
                var req = sajax_init_object();
                req.open("POST", wgScriptPath + "/api.php", false);
                req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
                req.setRequestHeader("Content-length", postdata.length);
                req.send(postdata);
                if(eval("(" + req.responseText + ")").delete) { //If deleted, update the deleted count and the button.
                    deleted++;
                    document.getElementById("wpMassDeleteSubmit").value = "(" + deleted + ")";
                } else { //If not deleted, add the title to the "failed" array and a description of the error to the "error" array.
                    failed.push(article);
                    error.push(eval("(" + req.responseText + ")").error.info);
                }
            }
        }
        if(!articles[i+1]) {
            document.getElementById("wpMassDeleteSubmit").value = "Done (" + deleted + ")";
            if(failed.length > 0) {
                var linkedList = "";
                for(x=0; x<failed.length; x++) {
                    linkedList += "<li><a href=\"/wiki/" + encodeURIComponent(failed[x]).replace("%2F", "/") + "\">" + failed[x] + "</a>: " + error[x] + "</li>"; //Links the titles in the "failed" array
                }
                document.getElementById("wpMassDeleteFailedContainer").innerHTML += '<br /><b>Failed deletions:</b> <ul>' + linkedList + '</ul>';
            }
            
        }
    }
}
 
function massdeleteform() {
    var bodyContent = (skin == "cologneblue" ? "article" : "bodyContent");
    document.getElementsByTagName("h1")[0].textContent = "Animum's mass-deletion tool";
    document.title = "Animum's mass-deletion tool - Wikipedia, the free encyclopedia";
    document.getElementById(bodyContent).innerHTML = '<h3 id="siteSub">From Wikipedia, the free encyclopedia</h3><br /><br />'
        + '<form id="wpMassDelete" name="wpMassDelete">'
        + '<b>If you abuse this tool, it\'s <i>your</i> fault, not mine.</b>'
        + '<div id="wpMassDeleteFailedContainer"></div>'
        + '<br /><br />'
            + 'Pages to delete (one on each line, please):<br />'
                + '<textarea tabindex="1" accesskey="," name="wpMassDeletePages" id="wpMassDeletePages" rows="10" cols="80"></textarea>'
            + '<br /><br /><table style="background-color:transparent">'
                + '<tr><td>Common reasons:</td>'
                    + '<td><select id="wpMassDeleteReasons">'
                        + '<optgroup label="Other reason">'
                            + '<option value="other">Other reason</option>'
                        + '</optgroup>'
                        + '<optgroup label="Criteria for speedy deletion">'
                            + '<optgroup label="General criteria">'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#G1|G1]]: [[Wikipedia:Patent nonsense|Patent nonsense]]">G1: Patent nonsense</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#G2|G2]]: Test page">G2: Test page</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#G3|G3]]: Pure [[Wikipedia:Vandalism|vandalism]], including the redirects created from the cleanup of page-move vandalism">G3: Vandalism</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#G4|G4]]: Recreation of material previously deleted pursuant to an XfD">G4: Repost</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#G5|G5]]: Page created by a [[Wikipedia:List of banned users|banned user]]">G5: Banned</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#G6|G6]]: Non-controversial maintenance, including deleting a page to merge histories or making way for an uncontroversial move">G6: Maintenance</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#G7|G7]]: Only one editor has made significant edits to this page, and he or she has blanked it or requested its deletion.">G7: Author</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#G8|G8]]: Talk page whose corresponding article does not exist">G8: Orphaned talk page</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#G10|G10]]: [[Wikipedia:Attack page|Attack page]]">G10: Attack page</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#G11|G11]]: [[Wikipedia:Spam|Blatant advertising]]">G11: Advertising</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#G12|G12]]: Blatant [[Wikipedia:Copyrights|copyright]] infringement">G12: Copyvio</option>'
                            + '</optgroup>'
                            + '<optgroup label="Articles">'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#A1|A1]]: Very short article providing little or no context">A1: No context</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#A2|A2]]: Article written in a foreign language that exists on another Wikimedia project">A2: Foreign</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#A3|A3]]: No content except possibly external links, a \'See also\' section, category tags, or attempts to correspond with the article\'s subject">A3: No content</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#A5|A5]]: Properly transwikied elsewhere">A5: Transwiki</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#A7|A7]]: Biographical article that did not assert the [[Wikipedia:Notability (people)|significance]] of its subject">A7: Non-notable person</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#A7|A7]]: Article about a web site or other online forum that did not assert the [[Wikipedia:Notability (web)|significance]] of its subject">A7: Non-notable website</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#A7|A7]]: Article about a company that did not assert the [[Wikipedia:Notability (organizations and companies)|significance]] of its subject">A7: Non-notable corporation</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#A7|A7]]: Article about a club or group that did not assert the significance of its subject">A7: Non-notable club</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#A7|A7]]: Article about a band that did not assert the [[Wikipedia:Notability (music)|significance]] of its subject">A7: Non-notable band</option>'
                            + '</optgroup>'
                            + '<optgroup label="Redirects">'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#R1|R1]]: Redirect to non-existent page">R1: Non-existent</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#R2|R2]]: Redirect to the \'Talk:\', \'User talk:\', or \'User:\' namespaces from the mainspace">R2: Cross-namespace</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#R3|R3]]: Redirect based on an implausible typo">R3: Implausible typo</option>'
                            + '</optgroup>'
                            + '<optgroup label="Images and other media">'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#I1|I1]]: Exact copy of a preexisting image">I1: Copy</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#I2|I2]]: Corrupt or empty image">I2: Corrupt or empty</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#I3|I3]]: Licensed for non-commercial use only, non-derivative use or used with permission, uploaded on or after May 19, 2005, and does not meet the non-free content criteria">I3: Non-commercial</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#I4|I4]]: Image that has lacked sources or licensing information for more than seven days">I4: Unknown source</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#I5|I5]]: Unfree image that has not been used in an article for more than seven days">I5: Unfree and unused</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#I6|I6]]: No [[Wikipedia:Non-free use rationale guideline|justification]] given for fair use for more than seven days">I6: No rationale</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#I7|I7]]: Bad [[Wikipedia:Non-free use rationale guideline|justification]] was given for fair use, and the uploader was notified more than 48 hours ago.">I7: Bad fair use rationale</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#I8|I8]]: Identical copy of this image exists on Wikimedia Commons">I8: On Commons</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#I9|I9]]: Uploader claims that this image is under a free license, but it obviously is not.">I9: Image copyvio</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#I10|I10]]: Image was neither image, sound, nor video, and it has no foreseeable encyclopedic use.">I10: Useless image</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#I11|I11]]: Permission has not been verified within seven days of the uploader\'s notification.">I11: No permission</option>'
                            + '</optgroup>'
                            + '<optgroup label="Categories">'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#C1|C1]]: Category has been unpopulated for at least 4 days.">C1: Empty</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#C2|C2]]: Eligible for [[Wikipedia:Categories for discussion/Speedy#Speedy criteria|speedy renaming]]">C2: Speedy rename</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#C3|C3]]: Category was populated solely by a template, and that template has been deleted per deletion policy.">C3: Populating template was deleted</option>'
                            + '</optgroup>'
                            + '<optgroup label="User namespace">'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#U1|U1]]: User or user subpage of which the corresponding user requests deletion">U1: User requests deletion</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#U2|U2]]: Userpage of a nonexistent user">U2: Non-existent user</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#U3|U3]]: Userpage that is primarily a gallery of fair-use images">U3: Fair use gallery</option>'
                            + '</optgroup>'
                            + '<optgroup label="Templates">'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#T1|T1]]: Divisive or inflammatory template">T1: Inflammatory</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#T2|T2]]: Blatant misrepresentation of established policy">T2: Blatant misrepresentation</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#T3|T3]]: Template was not employed in any useful fashion, either a substantial duplicate or a hard-coded instance of a preexisting template, and was tagged for seven days.">T3: Duplicate</option>'
                            + '</optgroup>'
                            + '<optgroup label="Portals">'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#P1|P1]]: Portal that would be subject to deletion as an article">P2: Deletion as article</option>'
                                + '<option value="[[Wikipedia:Criteria for speedy deletion#P2|P2]]: Underpopulated portal">P2: Underpopulated</option>'
                            + '</optgroup>'
                        + '</optgroup>'
                    + '</select></td></tr>'
            + '<tr><td>Other/additional reason:</td>'
                + '<td><input type="text" id="wpMassDeleteReason" name="wpMassDeleteReason" maxlength="255" /></td></tr>'
                + '<tr><td><input type="button" id="wpMassDeleteSubmit" name="wpMassDeleteSubmit" value="Delete" onclick="doMassDelete()" /></td>'
        + '</form>';
}
 
addOnloadHook(function() {
    if(wgNamespaceNumber == -1 && (wgPageName == "Special:Massdelete" || wgPageName == "Special:MassDelete") && /sysop/.test(wgUserGroups)) {         
        massdeleteform();
        document.getElementById("wpMassDeleteReasons").onchange = function() {
            var maxlength = (document.getElementById("wpMassDeleteReasons").value == "other" ? 255 : 252-document.getElementById("wpMassDeleteReasons").value.length); //It's 252 because of the three characters (" ()") in addition to the selected summary.
            document.getElementById("wpMassDeleteReason").setAttribute("maxlength", maxlength);
        }
    }
});