User:Timotheus Canens/massedit.js

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Documentation for this user script can be added at User:Timotheus Canens/massedit.

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///Tim's Mass Edit Tool
/// Adapted from [[User:Animum/massdelete.js]]

function doMassEdit() {
    document.getElementById("wpMassEditSubmit").disabled = true;
    var articles = document.getElementById("wpMassEditPages").value.split("\n");
    if(articles.length == 0) return;
    var newtext = document.getElementById("wpMassEditText1").value;
    var text2 = document.getElementById("wpMassEditText2").value;
    var wpMassEditType = document.getElementById("wpMassEditType").value, wpMassEditSummary = document.getElementById("wpMassEditSummary").value, edited = 0, failed = new Array(), error = new Array();
    var wpMassEditMinor = document.getElementById("wpMassEditMinor").checked;
    for(i=0;i<articles.length;i++) {
        var article = articles[i];
        if(article.length > 0) {
            var req = new XMLHttpRequest();
            req.open("GET", mw.config.get('wgScriptPath') + "/api.php?format=json&action=query&prop=info&meta=tokens&type=csrf&titles=" + encodeURIComponent(article), false);
            req.send(null);
            var query = eval("(" + req.responseText + ")").query;
            var edittoken = query.tokens.csrftoken;
            var response = query.pages;
            for(var index in response) {
                var info = response[index];
				var postdata = "format=json"
                             + "&action=edit&watchlist=nochange"
                             + "&title=" + encodeURIComponent(article)
                             + "&summary=" + encodeURIComponent(wpMassEditSummary)
                             + "&token=" + encodeURIComponent(edittoken);
                if(wpMassEditMinor)
                	postdata += "&minor=1";
                else
                	postdata += "&notminor=1";
				if(wpMassEditType == "prepend"){
					postdata += "&prependtext=" + encodeURIComponent(newtext + "\n"); 
				}
				else if(wpMassEditType == "append"){
					postdata += "&appendtext=" + encodeURIComponent("\n" + newtext);
				}
				else if(wpMassEditType == "replacepage"){
					postdata += "&text=" + encodeURIComponent(newtext);
				}
				else if(wpMassEditType == "replacetext" || wpMassEditType == "replacetextg" || wpMassEditType == "bothpend"){
					var pagetext = gettext(article);
					if(wpMassEditType == "replacetextg"){
						newtext = newtext.replace(/([.*+?|(){}\[\]\\])/g, "\\$1");
						pagetext = pagetext.replace(new RegExp(newtext, "g"), text2);
					}
					else if(wpMassEditType == "replacetext"){
						pagetext = pagetext.replace(newtext, text2);
					}
					else
						pagetext = newtext + pagetext + text2;
					postdata += "&text=" + encodeURIComponent(pagetext);
				}
                var req = new XMLHttpRequest();
                req.open("POST", mw.config.get('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 + ")").edit ) { //If edited, update the count and the button.
                    edited++;
                    document.getElementById("wpMassEditSubmit").value = "(" + edited + ")";
                } else { //If not edited, 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("wpMassEditSubmit").value = "Done (" + edited + ")";
            if(failed.length > 0) {
                var linkedList = "";
                for(x=0; x<failed.length; x++) {
                    linkedList += "<li><a href=\"" + mw.config.get('wgScript') + "?title=" + encodeURIComponent(failed[x]) + "\">" + failed[x] + "</a>: " + error[x] + "</li>"; //Links the titles in the "failed" array
                }
                document.getElementById("wpMassEditFailedContainer").innerHTML += '<br /><b>Failed edits:</b><ul>' + linkedList + '</ul>';
            }
            
        }
    }
}

function gettext(title){
	var req = new XMLHttpRequest();
	req.open("GET", mw.config.get('wgScriptPath') + "/api.php?action=query&prop=revisions&rvprop=content&format=json&indexpageids=1&titles="+encodeURIComponent(title), false);
	req.send(null);
	var response = eval('(' + req.responseText + ')');
	pageid = response['query']['pageids'][0];
	if (pageid == "-1") {
		delete req;
		return '';
	}
	var pagetext = response['query']['pages'][pageid]['revisions'][0]['*'];
	return pagetext;
} 
function masseditform() {
    var bodyContent;
	switch (mw.config.get('skin')) {
		case 'modern':
			bodyContent = 'mw_contentholder';
			break;
		case 'cologneblue':
			bodyContent = 'article';
			break;
		case 'vector':
		case 'monobook':
		case 'vector':
		default:
			bodyContent = 'bodyContent';
			break;
	}
    document.getElementsByTagName("h1")[0].textContent = "Tim's mass edit tool";
    document.title = "Tim's mass-editing tool - Wikipedia, the free encyclopedia";
    document.getElementById(bodyContent).innerHTML = '<h3 id="siteSub">From Wikipedia, the free encyclopedia</h3><br /><br />'
        + '<form id="wpMassEdit" name="wpMassEdit">'
        + '<b>If you abuse this tool, it\'s <i>your</i> fault, not mine.</b>'
        + '<div id="wpMassEditFailedContainer"></div>'
        + '<br /><br />'
            + 'Pages to edit (one on each line, please):<br />'
                + '<textarea tabindex="1" name="wpMassEditPages" id="wpMassEditPages" rows="10" cols="80"></textarea>'
            + 'Text 1 (see below):<br />'
                + '<textarea tabindex="2" name="wpMassEditText1" id="wpMassEditText1" rows="10" cols="80"></textarea>'
            + 'Text 2 (see below):<br />'
                + '<textarea tabindex="3" name="wpMassEditText2" id="wpMassEditText2" rows="10" cols="80"></textarea>'
            + '<br /><br /><table style="background-color:transparent">'
                + '<tr><td>Edit type:</td>'
                    + '<td><select id="wpMassEditType">'
                        + '<option value="prepend">Prepend text 1</option>'
                        + '<option value="append">Append text 1</option>'
                        + '<option value="bothpend">Prepend text 1 and append text 2</option>'
                        + '<option value="replacetext">Replace first instance of text 1 with text 2</option>'
                        + '<option value="replacetextg">Replace all instances of text 1 with text 2</option>'
                        + '<option value="replacepage">Replace page with text 1</option>'
                    + '</select></td></tr>'
            + '<tr><td>Edit summary:</td>'
                + '<td><input type="text" id="wpMassEditSummary" name="wpMassEditSummary" maxlength="255" /></td></tr>'
            + '<tr><td>Mark edit as minor:</td>'
                + '<td><input type="checkbox" id="wpMassEditMinor" name="wpMassEditMinor"/></td></tr>'
                + '<tr><td><input type="button" id="wpMassEditSubmit" name="wpMassEditSubmit" value="Edit" onclick="doMassEdit()" /></td>'
        + '</form>';
}
 
var massedit_whitelist = ["Sven Manguard", "DeltaQuad.alt", "T. Canens"];
if(mw.config.get("wgNamespaceNumber") == -1 && (mw.config.get("wgTitle").toLowerCase() == "massedit") && 
(/sysop/.test(mw.config.get("wgUserGroups")) || massedit_whitelist.indexOf(mw.config.get("wgUserName")) != -1 )) $(masseditform);