User:Prog/common.js

function findFirstOf(text, characters){
    for(var i = 0; i < text.length; ++i){
        for(var j = 0; j < characters.length; ++j){
            if(text[i] == characters[j]) return i;
        }
    }
    return text.length;
}

function findLastOf(text, characters){
    for(var i = text.length; i > 0; --i){
        for(var j = 0; j < characters.length; ++j){
            if(text[i-1] == characters[j]) return i-1;
        }
    }
    return text.length;
}

function findFirstNotOf(text, characters){
    for(var i = 0; i < text.length; ++i){
        for(var j = 0; j < characters.length; ++j){
            if(text[i] != characters[j]) return i;
        }
    }
    return text.length;
}

function findLastNotOf(text, characters){
    for(var i = text.length; i > 0; --i){
        for(var j = 0; j < characters.length; ++j){
            if(text[i-1] != characters[j]) return i-1;
        }
    }
    return text.length;
}

function trim(text, characters){
    var first  = findFirstNotOf(text, characters);
    var last   = findLastNotOf(text, characters);
    var length = last - first + (last == text.length ? 0 : 1);

    return text.substr(first, length);
}

function wrapTitle(separators) {
    if(wgAction != 'view' && wgAction != 'purge') return false;

    var title = document.getElementById("firstHeading");
    var saveTitle = title.firstChild.data;

    while(title.hasChildNodes()){
        title.removeChild(title.firstChild);
    }

    var littleTitle = document.createElement("span");
    littleTitle.appendChild(document.createTextNode(saveTitle));
    littleTitle.setAttribute("style", "font-size:50%");

    // split title by all separators
    var titleParts = new Array(saveTitle);
    for(var i = 0; i < separators.length; ++i){
        var newParts = new Array();
        for(var j = 0; j < titleParts.length; ++j){
            var newSubParts = titleParts[j].split(separators[i]);
            for(var k = 0; k < newSubParts.length; ++k){
                newParts.push(newSubParts[k]);
            }
        }
        titleParts = newParts;
    }

    // trim all title parts
    for(var i = 0; i < titleParts.length; ++i){
        titleParts[i] = trim(titleParts[i], " \t\n");
    }

    title.appendChild(littleTitle);
    for(var i = 0; i < titleParts.length; ++i){
        title.appendChild(document.createElement("br"));
        title.appendChild(document.createTextNode(titleParts[i]));
    }

    return true;
}

function createTopBox(){
    var box = document.createElement("div");
    box.setAttribute("style", "float:right;text-align:right;font-size:0.8em;");

    var title = document.getElementById("firstHeading")
    title.parentNode.insertBefore(box, title);

    return box;
}

function addToBox(box, element){
    if(box == null || element == null) return false;

   var subBox = document.createElement("div");

    if(typeof(element) == "object" && (element instanceof Array)){
        if(element.length > 0) subBox.appendChild(element[0]);
        for(var i = 1; i < element.length; ++i){
            subBox.appendChild(document.createTextNode(", "));
            subBox.appendChild(element[i]);
        }
    }else{
        subBox.appendChild(element);
    }

    box.appendChild(subBox);
}

function createPurgeLink(){
    if(wgAction != 'view' && wgAction != 'purge') return null;

    var link = document.createElement("a");
    link.appendChild(document.createTextNode("purge"));
    link.setAttribute("href", mw.config.get('wgServer') + mw.config.get('wgScript') + "?title=" + encodeURIComponent(mw.config.get('wgPageName')) + "&action=purge");

    return link;
}

function createUserLinks(){
    if(wgAction != 'view' && wgAction != 'purge') return null;
    if(wgNamespaceNumber != 2 && wgNamespaceNumber != 3) return null;

    var username = wgPageName.substring(findFirstOf(wgPageName, ":") + 1, wgPageName.length);
    var separators = new Array("/", ":");
    username = username.substring(0, findFirstOf(username, separators));


    var userpage = document.createElement("a");
    userpage.appendChild(document.createTextNode(username));
    userpage.setAttribute("href", mw.config.get('wgServer') + mw.config.get('wgArticlePath').replace('$1', wgFormattedNamespaces[2] + ":" + encodeURIComponent(username)));

    var usertalk = document.createElement("a");
    usertalk.appendChild(document.createTextNode("Diskussion"));
    usertalk.setAttribute("href", mw.config.get('wgServer') + mw.config.get('wgArticlePath').replace('$1', wgFormattedNamespaces[3] + ":" + encodeURIComponent(username)));

    var contributions = document.createElement("a");
    contributions.appendChild(document.createTextNode("Beiträge"));
    contributions.setAttribute("href", mw.config.get('wgServer') + mw.config.get('wgArticlePath').replace('$1', wgFormattedNamespaces[-1] + ":" + "Beiträge" + "/" + encodeURIComponent(username)));


    return new Array(userpage, usertalk, contributions);
}

function format_watchlists(){
    if(wgNamespaceNumber != -1) return false;

    $('li').each(function(index){
        var elements = $(this).attr("class").split(" ");
        var i;
        for(i = 0; i < elements.length; ++i){
            if(elements[i].substr(0, 10) == "watchlist-"){
                $(this).addClass(elements[i].substr(0, 11))
            }
        }
    });

    return true;
}

function setup(){
    var separators = new Array("/", ":");
    wrapTitle(separators);

    var box = createTopBox();
    addToBox(box, createUserLinks());
    addToBox(box, createPurgeLink());

    format_watchlists();
}

$(setup);