一键分享 cnBeta 新闻的评论
// ==UserScript==
// @name Yet Another #自古CB出评论 sharing plugin
// @namespace http://gplus.me/JaHIY
// @description 一键分享 cnBeta 新闻的评论
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_registerMenuCommand
// @match http://cnbeta.com/articles/*
// @match http://www.cnbeta.com/articles/*
// @version 1.1.10
// @homepageURL https://greasyfork.org/scripts/5029
// @run-at document-end
// ==/UserScript==
"use strict";
if (typeof GM_getValue !== "function") {
var GM_getValue = function(key, default_value) {
return default_value;
};
}
var cBshare = function ($comments, $where_to_add_links_callback) {
var $doc = document,
$template_link = $doc.createElement("a"),
$template_text = $doc.createElement("span"),
$template_newline = $doc.createElement("br"),
$post_title = $doc.getElementById("news_title").textContent.trim(),
$post_url = window.location.href;
$template_link.rel = "external nofollow noreferer";
$template_link.className = "cbshare commt_a_link";
return {
"link_start": function () {
var comments = $comments,
where_to_add_links_callback = $where_to_add_links_callback,
doc = $doc,
i = comments.length,
template = cBshare.generate_template(),
generate_content = function (comment_node) {
var content_dict = {
"comment": comment_node.textContent.trim(),
"title": $post_title,
"url": $post_url
},
content = template.replace(/\{%(title|comment|url)%\}/g, function (match, p1, offset, string) {
return content_dict[p1];
});
return content;
},
generate_links = function (template) {
var fragment, temp_link, temp_text, temp_newline, parent_node,
template_single = template.replace(/\{%tag%\}/g, "#自古CB出评论"),
template_double = template.replace(/\{%tag%\}/g, "#自古CB出评论#"),
fragments = [
[
encodeURI('http://widget.renren.com/dialog/forward?content=') + encodeURIComponent(template_double),
"rentag",
"以 #自古CB出评论# 发表至人人",
"#人"
], [
encodeURI('https://twitter.com/intent/tweet?text=') + encodeURIComponent(template_single),
"twitag",
"以 #自古CB出评论 发表至推特",
"#推"
], [
encodeURI('http://service.weibo.com/share/share.php?title=') + encodeURIComponent(template_double),
"weitag",
"以 #自古CB出评论# 发表至微博",
"#微"
]
],
i = fragments.length,
template_link = $template_link,
template_text = $template_text,
template_newline = $template_newline,
df = doc.createDocumentFragment();
parent_node = template_text.cloneNode(true);
parent_node.className = "cbshare_bar";
temp_newline = template_newline.cloneNode(true);
parent_node.appendChild(temp_newline);
do {
i -= 1;
fragment = fragments[i];
temp_link = template_link.cloneNode(true);
temp_text = template_text.cloneNode(true);
temp_link.href = fragment[0];
temp_link.classList.add(fragment[1]);
temp_link.title = fragment[2];
temp_text.textContent = fragment[3];
temp_link.appendChild(temp_text);
parent_node.appendChild(temp_link);
} while (i !== 0);
df.appendChild(parent_node);
return df;
},
comment;
if (i === 0) {
console.warn("Cannot get comments! (Maybe this page has no comment.)");
} else {
do {
i -= 1;
comment = comments[i];
where_to_add_links_callback(comment).appendChild(generate_links(generate_content(comment)));
} while (i !== 0);
}
return this;
}
};
};
cBshare.external_links = function () {
var open_links_in_new_window = function (event) {
var target = event.target.parentNode;
if (target.classList.contains("cbshare")) {
event.preventDefault();
event.stopPropagation();
window.open(target.href, "_blank");
}
};
document.getElementsByClassName("main_content")[0].addEventListener("click", open_links_in_new_window, false);
return this;
};
cBshare.append_style = (function () {
var doc = document,
style = doc.createElement("style");
style.textContent = "a.weitag:link span,a.weitag:hover span{color:#EB192D;}\
a.twitag:link span,a.twitag:hover span{color:#00C8FA;}\
a.rentag:link span,a.rentag:hover span{color:#005EAC;}";
return function () {
try {
doc.head.appendChild(style);
} catch (err) {
console.error("Cannot append style to <head>!");
} finally {
return this;
}
};
}());
cBshare.template = "{%comment%} ——「{%title%}」 {%url%} {%tag%}";
cBshare.generate_template = function () {
return GM_getValue("template", this.template);
};
cBshare.create_observer = function (where_to_get_comments_callback, where_to_add_links_callback) {
return new MutationObserver(function (mutationRecord, observer) {
mutationRecord.forEach(function (mutation) {
var n = mutation.addedNodes,
i = n.length;
do {
i -= 1;
(n[i].nodeType === Node.ELEMENT_NODE) && cBshare(where_to_get_comments_callback(n[i]), where_to_add_links_callback).link_start();
} while (i !== 0);
});
});
};
cBshare.append_style().external_links();
var commt_list_observer = cBshare.create_observer(function (e) {
return e.getElementsByClassName("re_text");
}, function (e) {
return e.nextElementSibling;
}),
hotcommt_list_observer = cBshare.create_observer(function (e) {
return e.querySelectorAll(".comContent em");
}, function (e) {
return e.parentNode.parentNode.nextElementSibling.firstElementChild;
});
commt_list_observer.observe(document.getElementById("J_commt_list"), {"childList": true});
hotcommt_list_observer.observe(document.getElementById("J_hotcommt_list"), {"childList": true});
if (typeof GM_registerMenuCommand === "function") {
GM_registerMenuCommand("「#自古CB出评论」模板设置", function () {
var template, template_input, temp_link, cbshare_links, i;
template = cBshare.generate_template();
template_input = prompt("「#自古CB出评论」模板设置\n\n可用变量：\n{%title%} - 文章标题；\n{%url%} - 文章链接；\n{%comment%} - 评论正文；\n{%tag%} - 奇怪的标签；\n\n默认值：" + cBshare.template + "\n\n", template);
if (template_input !== null && template !== template_input) {
GM_setValue("template", template_input);
cbshare_links = document.getElementsByClassName("main_content")[0].getElementsByClassName("cbshare_bar");
i = cbshare_links.length;
while (i !== 0) {
i -= 1;
temp_link = cbshare_links[i];
temp_link.parentNode.removeChild(temp_link);
}
cBshare(document.getElementById("J_commt_list").getElementsByClassName("re_text"), function (e) {
return e.nextElementSibling;
}).link_start();
cBshare(document.querySelectorAll("#J_hotcommt_list .comContent em"), function (e) {
return e.parentNode.parentNode.nextElementSibling.firstChild;
}).link_start();
}
});
}