User:Greenpickle/rcnst.js

window.onload = function () {
    if (!"".indexOf || !"".substring || ![].push) return;
    if (document.body.className.indexOf("page-Special_RecentChanges") == -1 && document.body.className.indexOf("page-Special_Recentchanges") == -1) return;
    choice = document.getElementById("namespace").childNodes;
    nslist = [];
    for (i in choice) if (choice[i].tagName == "OPTION" && choice[i].value != "") nslist[choice[i].value] = choice[i].innerHTML;
    loglist = [];
    enhanced = true;
    if (document.getElementById("bodyContent").innerHTML.indexOf('<a href="/index.php?title=Special:RecentChanges&amp;hideenhanced=1" title="Special:RecentChanges">Hide</a> grouped recent changes') == -1) enhanced = false;
    if (enhanced) {
        h4s = document.getElementsByTagName("h4");
        days = [];
        for (i = 0; i < h4s.length; i++) {
            days[i] = h4s[i].nextSibling;
            while (days[i].tagName != "DIV") days[i] = days[i].nextSibling;
        }
        for (i in days) {
            if (days[i].tagName != "DIV") continue;
            items = days[i].childNodes;
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                if (items[j].tagName != "TABLE") continue;
                logname = items[j].getElementsByTagName("a");
                if (logname[0].getAttribute("href") == "#") logname = logname[2];
                else logname = logname[0];
                if (logname.nextSibling) if(logname.nextSibling.nodeValue.substring(0, 1) == ")" && loglist.indexOf(logname.innerHTML) == -1) loglist.push(logname.innerHTML);
            }
        }
    } else {
        days = document.getElementsByClassName("special");
        for (i in days) {
            if (days[i].tagName != "UL") continue;
            items = days[i].childNodes;
            for (j = 0; j < items.length; j++) {
                if (items[j].tagName != "LI") continue;
                logname = items[j].getElementsByTagName("a")[0].innerHTML;
                if (logname != "diff" && logname != "hist" && loglist.indexOf(logname) == -1) loglist.push(logname);
            }
        }
    }
    temp = RCNSTList;
    RCNSTList = [];
    for (i in nslist) {
        if (!include && (temp.indexOf(nslist[i]) != -1)) RCNSTList[i] = false;
        else if (include && (temp.indexOf(nslist[i])) == -1) RCNSTList[i] = false;
    }
    for (i in loglist) {
        if (!include && (temp.indexOf(loglist[i]) != -1)) RCNSTList[loglist[i]] = false;
        else if (include && (temp.indexOf(loglist[i])) == -1) RCNSTList[loglist[i]] = false;
    }
    s = RCNSTbeforecheckboxes;
    for (i in nslist) {
        if (RCNSTList[i] == false) insert = '';
        else insert = 'checked="checked"';
        s += RCNSTbeforecheckbox + '<input type="checkbox" ' + insert + 'name="RCNST' + i + '" onclick="RCNSTupdate()" /><label for="RCNST' + i + '">' + nslist[i] + '</label>' + RCNSTaftercheckbox;
    }
    for (i in loglist) {
        if (RCNSTList[loglist[i]] == false) insert = '';
        else insert = 'checked="checked"';
        s += RCNSTbeforecheckbox + '<input type="checkbox" ' + insert + 'name="RCNSTl' + i + '" onclick="RCNSTupdate()" /><label for="RCNSTl' + i + '">' + loglist[i] + '</label>' + RCNSTaftercheckbox;
    }
    s += RCNSTbeforecheckbox + '<input type="button" onclick="RCNSTall()" value="toggle all" />' + RCNSTaftercheckbox;
    s += RCNSTbeforecheckbox + '<input type="button" onclick="RCNSTinvert()" value="invert selection" />' + RCNSTaftercheckbox;
    s += RCNSTbeforecheckbox + '<input type="button" onclick="RCNSTrestore()" value="restore default" />' + RCNSTaftercheckbox;
    document.getElementsByClassName("rcoptions")[0].innerHTML += s;
    RCNSTupdate();
    RCNSTListStore = [];
    for (i in RCNSTList) RCNSTListStore[i] = RCNSTList[i];
}
function RCNSTupdate () {
    for (i in nslist) {
        if (document.getElementsByName("RCNST" + i)[0].checked) RCNSTList[i] = true;
        else RCNSTList[i] = false;
    }
    for (i in loglist) {
        if (document.getElementsByName("RCNSTl" + i)[0].checked) RCNSTList[loglist[i]] = true;
        else RCNSTList[loglist[i]] = false;
    }
    if (enhanced) {
        h4s = document.getElementsByTagName("h4");
        days = [];
        for (i = 0; i < h4s.length; i++) {
            days[i] = h4s[i].nextSibling;
            while (days[i].tagName != "DIV") days[i] = days[i].nextSibling;;
        }
        for (i in days) {
            needh4 = false;
            if (days[i].tagName != "DIV") continue;
            items = days[i].childNodes;
            for (j = 0; j < items.length; j++) {
                if (items[j].tagName != "TABLE") continue;
                page = items[j].getElementsByTagName("a");
                if (page[0].getAttribute("href") == "#") page = page[2];
                else page = page[0];
                if (page.nextSibling) if(page.nextSibling.nodeValue.substring(0, 1) == ")") visible = RCNSTList[page.innerHTML];
                else {
                    if (RCNSTPageListInclude.indexOf(page.innerHTML) != -1) visible = true;
                    else if (RCNSTPageListExclude.indexOf(page.innerHTML) != -1) visible = false;
                    else {
                        page = page.innerHTML;
                        page = page.substring(0, page.indexOf(":")).replace("_", " ").replace("_", " ");
                        page = nslist.indexOf(page);
                        if (page == -1) page = 0;
                        visible = RCNSTList[page];
                    }
                }
                div = items[j].nextSibling;
                if (!div.tagName) div = div.nextSibling;
                if (visible) {
                    if (items[j].className.indexOf(" rcnsthidden") != -1) items[j].className = items[j].className.substring(0, items[j].className.indexOf(" rcnsthidden"));
                    if (div) if (div.tagName == "DIV") if (div.className.indexOf(" rcnsthidden") != -1) div.className = div.className.substring(0, div.className.indexOf(" rcnsthidden"));
                    needh4 = true;
                } else {
                    if (items[j].className.indexOf(" rcnsthidden") == -1) items[j].className += " rcnsthidden";
                    if (div) if (div.tagName == "DIV") if (div.className.indexOf(" rcnsthidden") == -1) div.className += " rcnsthidden";
                }
            }
            h4 = days[i].previousSibling;
            while (h4.tagName != "H4") h4 = h4.previousSibling;
            if (needh4) h4.removeAttribute("class");
            else h4.className = "rcnsthidden";
        }
    } else {
        days = document.getElementsByClassName("special");
        for (i in days) {
            needh4 = false;
            if (days[i].tagName != "UL") continue;
            items = days[i].childNodes;
            for (j = 0; j < items.length; j++) {
                if (items[j].tagName != "LI") continue;
                page = items[j].getElementsByTagName("a");
                if (page[0].innerHTML == "diff") n = 2;
                else if (page[0].innerHTML == "hist") n = 1;
                if (page[0].innerHTML == "diff" || page[0].innerHTML == "hist") {
                    if (RCNSTPageListInclude.indexOf(page[n].innerHTML) != -1) visible = true;
                    else if (RCNSTPageListExclude.indexOf(page[n].innerHTML) != -1) visible = false;
                    else {
                        page = page[0].href;
                        page = page.substring(page.indexOf("?title=") + 7);
                        page = page.substring(0, page.indexOf("&curid="));
                        page = page.substring(0, page.indexOf(":")).replace("_", " ").replace("_", " ");
                        page = nslist.indexOf(page);
                        if (page == -1) page = 0;
                        visible = RCNSTList[page];
                    }
                } else visible = RCNSTList[page[0].innerHTML];
                if (visible) {
                    if (items[j].className.indexOf(" rcnsthidden") != -1) items[j].className =  items[j].className.substring(0, items[j].className.indexOf(" rcnsthidden"));
                    needh4 = true;
                } else if (items[j].className.indexOf(" rcnsthidden") == -1) items[j].className += " rcnsthidden";
            }
            h4 = days[i].previousSibling;
            while (h4.tagName != "H4") h4 = h4.previousSibling;
            if (needh4) h4.removeAttribute("class");
            else h4.className = "rcnsthidden";
        }
    }
}
function RCNSTall () {
    on = false;
    for (i in RCNSTList) if (!RCNSTList[i]) on = true;
    for (i in nslist) RCNSTList[i] = on;
    for (i in loglist) RCNSTList[loglist[i]] = on;
    RCNSTsetboxes();
    RCNSTupdate();
}
function RCNSTinvert () {
    for (i in RCNSTList) {
        if (RCNSTList[i]) RCNSTList[i] = false;
        else RCNSTList[i] = true;
    }
    RCNSTsetboxes();
    RCNSTupdate();
}
function RCNSTrestore () {
    for (i in RCNSTListStore) RCNSTList[i] = RCNSTListStore[i];
    RCNSTsetboxes();
    RCNSTupdate();
}
function RCNSTsetboxes () {
    for (i in nslist) document.getElementsByName("RCNST" + i)[0].checked = RCNSTList[i];
    for (i in loglist) document.getElementsByName("RCNSTl" + i)[0].checked = RCNSTList[loglist[i]];
}