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/* Isso – Ich schrei sonst!
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*/
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define(["app/text/html", "app/dom", "app/utils", "app/config", "app/api", "app/markup", "app/i18n", "app/lib", "app/fancy"],
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function(templates, $, utils, config, api, Mark, i18n, lib, fancy) {
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"use strict";
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var msgs = i18n[i18n.lang];
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var Postbox = function(parent) {
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var el = $.htmlify(Mark.up(templates["postbox"]));
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// add a default identicon to not waste CPU cycles
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$(".avatar > svg", el).replace(lib.identicons.blank(4, 48));
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// on text area focus, generate identicon from IP address
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$(".textarea-wrapper > textarea", el).on("focus", function() {
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if ($(".avatar svg", el).getAttribute("className") === "blank") {
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$(".avatar svg", el).replace(
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lib.identicons.generate(lib.pbkdf2(api.remote_addr(), api.salt, 1000, 6), 4, 48));
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}
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});
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// update identicon on email input. Listens on keyup, after 200ms the
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// new identicon is generated.
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var active;
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$(".input-wrapper > [type=email]", el).on("keyup", function() {
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if (active) {
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clearTimeout(active);
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}
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active = setTimeout(function() {
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lib.pbkdf2($(".input-wrapper > [type=email]", el).value || api.remote_addr(), api.salt, 1000, 6)
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.then(function(rv) {
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$(".avatar svg", el).replace(lib.identicons.generate(rv, 4, 48));
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});
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}, 200);
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}, false);
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$(".input-wrapper > [type=email]", el).on("keydown", function() {
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clearTimeout(active);
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}, false);
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// callback on success (e.g. to toggle the reply button)
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el.onsuccess = function() {};
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el.validate = function() {
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if ($("textarea", this).value.length < 3) {
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$("textarea", this).focus();
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return false;
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}
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return true;
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};
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// submit form, initialize optional fields with `null` and reset form.
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// If replied to a comment, remove form completely.
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$("[type=submit]", el).on("click", function() {
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if (! el.validate()) {
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return;
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}
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api.create({
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author: $("[name=author]", el).value || null,
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email: $("[name=email]", el).value || null,
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text: $("textarea", el).value,
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parent: parent || null
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}).then(function(comment) {
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$("[name=author]", el).value = "";
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$("[name=email]", el).value = "";
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$("textarea", el).value = "";
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$("textarea", el).rows = 2;
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$("textarea", el).blur();
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insert(comment, true);
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if (parent !== null) {
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el.onsuccess();
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el.remove();
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}
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});
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});
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// copy'n'paste sluggy automagically dynamic textarea resize
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fancy.autoresize($("textarea", el), 48);
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return el;
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};
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// lookup table for responses (to link to the parent)
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var map = {id: {}, name: {}};
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var insert = function(comment, scrollIntoView) {
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map.name[comment.id] = comment.author;
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if (comment.parent) {
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comment["replyto"] = map.name[comment.parent];
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}
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var el = $.htmlify(Mark.up(templates["comment"], comment));
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// update datetime every 60 seconds
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var refresh = function() {
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$(".permalink > date", el).textContent = utils.ago(
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new Date(parseInt(comment.created, 10) * 1000));
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setTimeout(refresh, 60*1000);
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};
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// run once to activate
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refresh();
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$("div.avatar > svg", el).replace(lib.identicons.generate(comment.hash, 4, 48));
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var entrypoint;
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if (comment.parent === null) {
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entrypoint = $("#isso-root");
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} else {
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var key = comment.parent;
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while (key in map.id) {
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key = map.id[key];
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}
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map.id[comment.id] = comment.parent;
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entrypoint = $("#isso-" + key + " > .text-wrapper > .isso-follow-up");
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}
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entrypoint.append(el);
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if (scrollIntoView) {
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el.scrollIntoView();
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}
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var footer = $("#isso-" + comment.id + " > .text-wrapper > .isso-comment-footer"),
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header = $("#isso-" + comment.id + " > .text-wrapper > .isso-comment-header"),
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text = $("#isso-" + comment.id + " > .text-wrapper > .text");
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var form = null; // XXX: probably a good place for a closure
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$("a.reply", footer).toggle("click",
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function(toggler) {
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form = footer.insertAfter(new Postbox(comment.id));
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form.onsuccess = function() { toggler.next(); };
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$("textarea", form).focus();
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$("a.reply", footer).textContent = msgs["comment-close"];
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},
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function() {
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form.remove();
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$("a.reply", footer).textContent = msgs["comment-reply"];
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}
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);
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if (comment.parent !== null) {
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$("a.parent", header).on("mouseover", function() {
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$("#isso-" + comment.parent).classList.add("parent-highlight");
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});
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$("a.parent", header).on("mouseout", function() {
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$("#isso-" + comment.parent).classList.remove("parent-highlight");
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});
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}
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// update vote counter, but hide if votes sum to 0
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var votes = function(value) {
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var span = $("span.votes", footer);
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if (span === null) {
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if (value === 0) {
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span.remove();
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} else {
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footer.prepend($.new("span.votes", value));
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}
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} else {
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if (value === 0) {
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span.remove();
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} else {
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span.textContent = value;
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}
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}
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};
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$("a.upvote", footer).on("click", function() {
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api.like(comment.id).then(function(rv) {
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votes(rv.likes - rv.dislikes);
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});
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});
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$("a.downvote", footer).on("click", function() {
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api.dislike(comment.id).then(function(rv) {
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votes(rv.likes - rv.dislikes);
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});
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});
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$("a.edit", footer).toggle("click",
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function(toggler) {
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var edit = $("a.edit", footer);
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edit.textContent = msgs["comment-save"];
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edit.insertAfter($.new("a.cancel", msgs["comment-cancel"])).on("click", function() {
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text.textContent = "";
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text.className = "text";
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text.append(comment.text);
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toggler.next();
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});
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api.view(comment.id, 1).then(function(rv) {
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var textarea = $.new("textarea", rv.text);
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fancy.autoresize(textarea, 48);
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text.className = "textarea-wrapper";
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text.textContent = "";
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text.append(textarea);
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textarea.focus();
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});
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},
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function(toggler) {
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var textarea = $("textarea", text);
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if (textarea && textarea.value.length < 3) {
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textarea.focus();
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toggler.wait();
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return;
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} else if (textarea) {
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api.modify(comment.id, {"text": textarea.value}).then(function(rv) {
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text.innerHTML = rv.text;
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text.className = "text";
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comment.text = rv.text;
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});
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}
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$("a.cancel", footer).remove();
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$("a.edit", footer).textContent = msgs["comment-edit"];
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}
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);
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$("a.delete", footer).toggle("click",
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function(toggler) {
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var del = $("a.delete", footer);
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var state = ! toggler.state;
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del.textContent = msgs["comment-confirm"];
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del.on("mouseout", function() {
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del.textContent = msgs["comment-delete"];
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toggler.state = state;
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del.onmouseout = null;
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});
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},
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function() {
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var del = $("a.delete", footer);
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api.remove(comment.id).then(function(rv) {
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if (rv) {
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el.remove();
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} else {
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$("span.note", header).textContent = msgs["comment-deleted"];
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text.innerHTML = "<p> </p>";
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$("a.edit", footer).remove()
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$("a.delete", footer).remove()
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}
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del.textContent = msgs["comment-delete"];
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});
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}
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);
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// remove edit and delete buttons when cookie is gone
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var clear = function(button) {
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if (! utils.cookie("isso-" + comment.id)) {
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if ($(button, footer) !== null) {
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$(button, footer).remove();
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}
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} else {
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setTimeout(function() { clear(button); }, 15*1000);
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}
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};
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clear("a.edit");
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clear("a.delete");
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// show direct reply to own comment when cookie is max aged
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var show = function(el) {
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if (utils.cookie("isso-" + comment.id)) {
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setTimeout(function() { show(el); }, 15*1000);
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} else {
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footer.append(el);
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}
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};
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if (! config["reply-to-self"] && utils.cookie("isso-" + comment.id)) {
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show($("a.reply", footer).detach());
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}
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};
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return {
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insert: insert,
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Postbox: Postbox
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};
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});
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