// ==UserScript==
// @name           UJFHack-page-button
// @namespace      http://localhost/
// @description    Hack for Ubuntu Japanese Forum: Add Page Buttons $Revision: 1.0 $
// @include        https://forums.ubuntulinux.jp/viewtopic.php?*
// ==/UserScript==
var UJFHack = unsafeWindow.UJFHack;
var ViewTopic = unsafeWindow.UJFHack.ViewTopic;
var createButton = ViewTopic.createButton;

var findNumber = UJFHack.findNumber;
var findString = UJFHack.findString;
var findAll = UJFHack.findAll;
var findFirst = UJFHack.findFirst;

var pagelink = findFirst('p[@class="pagelink conl"]', ViewTopic.inbox);
var here = findNumber('strong', pagelink);
var last = findFirst('a[position()=last()][starts-with(@href,"viewtopic.php?id=")]', pagelink);

if (! last)
    {
    last = 1;
    }
else
    {
    var path = last.href.replace(/\d+$/, '');
    last = last.textContent;
    }

var pageSelector = [];
function selectPage(index)
{
    for (var i = 0; i < pageSelector.length; ++ i)
    {
        pageSelector[i].selectedIndex = index;
    }
}

function slicePosts(html)
{
    var b = html.lastIndexOf('<div', html.indexOf('class="blockpost'));
    var e = html.lastIndexOf('<div', html.lastIndexOf('class="postlinksb"'));
    return html.slice(b, e);
}

function createPage(nombre)
{
    var div = document.createElement('div');
    var inner = document.createElement('div');

    function loadPage(detail)
    {
    div.innerHTML = slicePosts(detail.responseText);
    ViewTopic.revisePage(div);
    selectPage(nombre - 1);
    }
    function goLast(detail)
    {
    loadPage(detail);
    div.lastChild.previousSibling.scrollIntoView(true);
    }
    function request(func)
    {
    return function () { GM_xmlhttpRequest({method: 'GET', url : path + nombre, onload : func });};
    }

    inner.className = 'blockpost';
    inner.align = 'center';

    inner.appendChild(createButton('ページ ' + nombre, request(loadPage)));
    inner.appendChild(createButton('ラスト ' + nombre, request(goLast)));

    div.appendChild(inner);
    return div;
}

var thePage = ViewTopic.thePage;
var pageView = ViewTopic.pageView = document.createElement('div');
thePage.parentNode.insertBefore(pageView, thePage);

for (var i = 1; i < here; ++ i)
    {
    pageView.appendChild(createPage(i));
    }
pageView.appendChild(thePage);
for (var i = here + 1; i <= last; ++ i)
    {
    pageView.appendChild(createPage(i));
    }

var list = findAll('div/div[@class="inbox"]/p[@class="pagelink conl"]',ViewTopic.punviewtopic);
if (here > last)
    {
    last = here;
    }
for (var i = 0; i < list.snapshotLength; ++ i)
    {
    var node = list.snapshotItem(i);
    var select = pageSelector[i] = document.createElement('select');
    var text = node.firstChild;
    function createOption(text)
    {
        var option = document.createElement('option');
        option.textContent = text;
        select.appendChild(option);
    }
    function gotoPage()
    {
        var index = this.selectedIndex;
        selectPage(index);
        var top = index == last ? (-- index, false) : true;
        pageView.childNodes[index].scrollIntoView(top);
    }
    text.textContent = ':';
    node.insertBefore(select, text);
    select.addEventListener('change', gotoPage, false);
    for (var j = 1; j <= last; ++ j)
        {
        createOption('ページ ' + j);
        }
    createOption('ラスト');
    select.selectedIndex = here - 1;
    }

// ==UserScript==
// @name           UJFHack-scrollable-view
// @namespace      http://localhost/
// @description    Hack for Ubuntu Japanese Forum: Scrollable View $Revision: 1.0 $
// @include        https://forums.ubuntulinux.jp/viewtopic.php?*
// ==/UserScript==
var UJFHack = unsafeWindow.UJFHack;
var ViewTopic = UJFHack.ViewTopic;
var pageView = ViewTopic.pageView;
var lastPage;
function makeScrollable()
{
    var style = pageView.style;
    lastPage = pageView.lastChild;
    lastPage.style.marginBottom = '-10px';
    lastPage.lastChild.style.borderBottom = '0px';
    pageView.firstChild.style.marginTop = '-1px';
    style.borderBottom = style.borderTop = '1px solid rgb(129, 102, 71)';
    style.marginBottom = '10px';
    style.maxHeight = '40em';
    style.overflow = 'auto';
    var hash = location.hash;
    if (! hash) return;
    document.getElementById(hash.slice(1)).scrollIntoView(true);
}
UJFHack.hooks.push(makeScrollable);
ViewTopic.pageRevisor.push(function (page)
               {
                   if (page != lastPage) return;
                   lastPage.lastChild.previousSibling.style.borderBottom = '0px';
               });

// ==UserScript==
// @name           UJFHack-reverse-review
// @namespace      http://localhost/
// @description    Hack for Ubuntu Japanese Forum: Reverse Post Review $Revision: 1.0 $
// @include        https://forums.ubuntulinux.jp/post.php?*
// ==/UserScript==
var postreview = document.getElementById('postreview');
if (! postreview) return;
var fragment = document.createDocumentFragment();
var child;
while ((child = postreview.lastChild).nodeName !== 'H2')
    {
    fragment.appendChild(postreview.removeChild(child));
    }
child.firstChild.textContent = 'Topic review (oldest first)';
postreview.appendChild(fragment);

var blockform = postreview.previousSibling.previousSibling;
var punpost = postreview.parentNode;
punpost.insertBefore(postreview, blockform);

var postpreview = document.getElementById('postpreview') || document.getElementById('posterror');
if (postpreview)
    {
    punpost.insertBefore(postpreview, blockform);
    postpreview.scrollIntoView(true);
    }
else
    {
    blockform.scrollIntoView(true);
    }

var notice = unsafeWindow.UJFHack.findFirst('id("post")/div[@class="inform"]/fieldset/strong[1]', document);
notice.parentNode.appendChild(notice);

// ==UserScript==
// @name           UJFHack-draggable-form
// @namespace      http://localhost/
// @description    Hack for Ubuntu Japanese Forum: Make Input Form Draggable $Revision: 1.0 $
// @include        https://forums.ubuntulinux.jp/viewtopic.php?*
// @include        https://forums.ubuntulinux.jp/post.php?*
// ==/UserScript==
var UJFHack = unsafeWindow.UJFHack;
var message = UJFHack.Post.message;
if (!message) return;
var blockform = UJFHack.findFirst('ancestor::div[@class="blockform"]', message);
var bar = blockform.firstChild.nextSibling;
var style = blockform.style;
var limit = 0, delta = 0, top;

function initialize()
{
    limit = blockform.offsetParent.clientHeight - blockform.clientHeight;
    style.top  = top = blockform.offsetTop + 'px';
    style.width = '100%';
    style.zIndex = 100;
    bar.removeEventListener('mousedown', initialize, false);
}

function stopMove()
{
    style.cursor = 'auto';
    document.body.removeEventListener('mousemove', doMove, false);
    document.body.removeEventListener('mouseup', endMove, false);
}

function doMove(event)
{
    var dy;
    var y = event.clientY;
    event.stopPropagation();
    event.preventDefault();
    if ((dy = y - 32) < 0 || (dy = y - unsafeWindow.innerHeight + 32) > 0)
    {
        unsafeWindow.scrollBy(0, dy);
        delta += dy;
    }
    if ((y += delta) >= limit)
    {
        style.position = 'static';
        style.opacity = 1;
        style.top = top;
        stopMove();
    }
    else if (y > 0)
    {
        style.top = y + 'px';
    }
}

function endMove(event)
{
    style.opacity = 0.9;
    stopMove();
}

function followMove(event)
{
    var y = event.clientY + unsafeWindow.pageYOffset - blockform.offsetParent.offsetTop - bar.clientHeight;
    style.top = (y > 0 ? y : 0) + 'px';
    delta = blockform.offsetTop - event.clientY;
    bar.removeEventListener('mouseout', followMove, false);
}

function beginMove(event)
{
    style.opacity = 0.6;
    style.position = 'absolute';
    style.cursor = 'move';
    delta = blockform.offsetTop - event.clientY;
 
    document.body.addEventListener('mousemove', doMove, false);
    document.body.addEventListener('mouseup', endMove, false);
    bar.addEventListener('mouseout', followMove, false);

    event.stopPropagation();
    event.preventDefault();
}
bar.addEventListener('mousedown', initialize, false);
bar.addEventListener('mousedown', beginMove, false);

function sliceQuote(html)
{
    var b = html.indexOf(']', html.indexOf('name="req_message"')) + 1;
    var e = html.indexOf('</textarea>', b) - 1;
    return html.slice(b, e).replace(/&quot;/g, '"').replace(/&lt;/g, '<').replace(/&gt;/g, '>').replace(/&amp;/g, '&');
}

// ==UserScript==
// @name           UJFHack-quick-quote
// @namespace      http://localhost/
// @description    Hack for Ubuntu Japanese Forum: Add Quick Quote Functions $Revision: 2.0 $
// @include        https://forums.ubuntulinux.jp/viewtopic.php?*
// ==/UserScript==
var UJFHack = unsafeWindow.UJFHack;
var ViewTopic = UJFHack.ViewTopic;
var punviewtopic = ViewTopic.punviewtopic;
var createButton = ViewTopic.createButton;

var findString = UJFHack.findString;
var findAll = UJFHack.findAll;
var findFirst = UJFHack.findFirst;

var topic = findString('ul/li[position()=last()]', ViewTopic.inbox).slice(3);

var message = UJFHack.Post.message;

function insertToMessage(text)
{
    var t = message.value;
    var s = message.selectionStart;
    message.value = t.slice(0, s) + text + t.slice(message.selectionEnd);
    message.selectionStart = message.selectionEnd = s + text.length;
}

function insert(text)
{
    return function () { insertToMessage(text); };
}

if (message)
    {
    var list = findAll('div/div[@class="inbox"]/p[@class="postlink conr"]/a', punviewtopic);
    var i = 0;
    var reply = list.snapshotItem(0);
    var url = location.protocol + '//' + location.host + location.pathname + '?id=' +  reply.href.replace(/.*=/, '');
    var title = '[' + 'url=' + url + ']' + topic + '[/url]';
    do
        {
        reply.parentNode.appendChild(createButton('タイトル挿入', insert(title)));
        }
    while (reply = list.snapshotItem(++ i));
    }

function sliceQuote(html)
{
    var dummy = document.createElement('textarea');
    function sliceQuote(html)
    {
    var b = html.indexOf(']', html.indexOf('name="req_message"')) + 1;
    var e = html.indexOf('</textarea>', b) - 1;
    dummy.innerHTML = html.slice(b, e);
    return dummy.value;
    }
    return sliceQuote(html);
}

function quickQuote(blockpost)
{
    if (blockpost.nodeType !== unsafeWindow.Node.ELEMENT_NODE) return;
    var inbox = findFirst('div[@class="box"]/div[@class="inbox"]', blockpost);
    var dl = findFirst('div[@class="postleft"]/dl', inbox);
    var user = findString('dt/strong/a', dl);
    if (! user) return;
    var nbsp = String.fromCharCode(160);
    var postfootright = inbox.lastChild.previousSibling;
    var conr = findFirst('h2/span/span[@class="conr"]', blockpost);
    var post = conr.textContent.slice(0, -1);
    var link = '[' + 'url=' + conr.nextSibling.href + ']';

    user += user === 'einundzwanzighundertsechs' ? nbsp : nbsp + 'さん';
    var byuser = user + 'の投稿';

    if (! message)
    {
        postfootright.textContent = link + byuser + nbsp + post + '[/url]';
        return;
    }

    function withoutTitle(text)
    {
    return link + text + '[/url]';
    }
    function withTitle(text)
    {
    return title + ' の ' + withoutTitle(text);
    }

    var quote;
    function quoteWith(tag)
    {
    return function () { insertToMessage(tag + quote + '\n'); };
    }
    function withoutLink(text)
    {
    return quoteWith('[quote' + text + ']');
    }
    function withLink(text)
    {
    return quoteWith('[quote]' + text + ':\n\n');
    }
    function justDo(how)
    {
    how();
    }
    function wrapper(how)
    {
    function memoize(detail)
    {
        quote = sliceQuote(detail.responseText);
        wrapper = justDo;
        how();
    }
    var href = findFirst('ul/li[@class="postquote"]/a[starts-with(@href,"post.php")]', postfootright).href;
    GM_xmlhttpRequest({method : 'GET', url : href, onload : memoize});
    }
    function insertQuote(how)
    {
    return function () { wrapper(how); };
    }

    var menu = 
    [
     { text:'クイック引用' },
     { text:'O', exec:insertQuote(withoutLink('=' + user)) },
     { text:'Q', exec:insertQuote(withoutLink('')) },
     { text:'T', exec:insert(withoutTitle(topic)) },
     { text:'U', exec:insert(withoutTitle(byuser)) },
     { text:'#', exec:insert(withoutTitle(post)) },
     { text:'T#', exec:insert(withTitle(post)) },
     { text:'U#', exec:insert(withoutTitle(byuser + nbsp + post)) },
     { text:'QU', exec:insertQuote(withLink(withoutTitle(byuser))) },
     { text:'TU', exec:insert(withTitle(byuser)) },
     { text:'TU#', exec:insert(withTitle(byuser + nbsp + post)) },
     { text:'QT#', exec:insertQuote(withLink(withTitle(post))) },
     { text:'QU#', exec:insertQuote(withLink(withoutTitle(byuser + nbsp + post))) },
     { text:'QTU', exec:insertQuote(withLink(withTitle(byuser))) },
     { text:'QTU#', exec:insertQuote(withLink(withTitle(byuser + nbsp + post))) },
     ];
    var select = document.createElement('select');
    for (var i = 0; i < menu.length; ++ i)
    {
        var option = document.createElement('option');
        option.textContent = menu[i].text;
        select.appendChild(option);
    }
    select.addEventListener('change',
                function()
                {
                menu[this.selectedIndex].exec();
                this.selectedIndex = 0;
                },
                false);
    conr.appendChild(select);

    var dd = document.createElement('dd');
    dl.insertBefore(dd, findFirst('dd[@class="usertitle"]',dl));
    dd.appendChild(createButton('ユーザ名挿入', insert(user)));
}

function addQuoteButton(node)
{
    for (var i = 0; i < node.childNodes.length; ++ i)
    {
        quickQuote(node.childNodes[i]);
    }
}
addQuoteButton(ViewTopic.thePage);
ViewTopic.pageRevisor.push(addQuoteButton);