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v2ex_reply.js
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v2ex_reply.js
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/*global img_list emoticon_list triangle_img setClipboardText*/
//获取被@的用户
function get_at_name_list(comment_content){
const name_list = new Set(),
patt_at_name = RegExp("@<a href=\"/member/(.+?)\">", "g");
let match = patt_at_name.exec(comment_content);
while (match) {
name_list.add(match[1]);
match = patt_at_name.exec(comment_content);
}
return name_list;
}
//判断是否为相关的回复
function related_reply( reply_content, _reply_user_name, _reply_at_name ){
let reply_related = false;
const at_name_list = get_at_name_list(reply_content);
if (at_name_list.size === 0){
return true;
}
for (let at_name of at_name_list) {
if (at_name == _reply_user_name || at_name == _reply_at_name){
reply_related = true;
}
}
return reply_related;
}
//插入图片
function input_img(input_img_base64, this_img_id){
_upload_image.append("<div class='imgId"+ this_img_id +"'>\
<div><img src='"+ input_img_base64 +"' alt='上传图片'/></div>\
<span>上传中</span>\
</div>");
_upload_image.slideDown(700);
const img_base64 = input_img_base64.match("base64,(.*)")[1];
chrome.runtime.sendMessage({img_base64: img_base64}, function(res) {
const _img_preview = $(".imgId"+ this_img_id);
if (res.img_status !== "Failed"){
img_list["图片"+this_img_id] = ` ${res.img_status} `;
_reply_textarea.val((i,origText) => origText+"[:图片"+this_img_id+":]");
_img_preview.find("span").text("[:图片"+ this_img_id +":]");
_img_preview.css({"background": "rgba(246, 246, 246, 0.5)","borderColor": "#A4FF94"});
} else{
alert("图片上传失败，可能是未登录微博/受 imgur 上传次数限制");
_img_preview.find("span").text("请重新上传");
}
_upload_img_btn.text(" ᕀ 插入图片");
});
}
//————————————————基本信息的获取及功能按钮初始化————————————————
//图片功能的初始化放在图片功能内
var page_current_num = $(".page_current").eq(0).text() || "1";
var page_previous_num = ~~(page_current_num)-1;
var _key_user = $(".header small a:first-of-type").text();
var _topic = $("#Main > div:nth-of-type(2)");
var _topic_content = $(".cell .topic_content", _topic);
var _topic_buttons = $(".topic_buttons");
var _reply_user_name_list = Array();
var _reply_content_list = Array();
var r_i = 1;
var maxNestDivCount = 1;
_topic_buttons.append(" <a href='#;' id='onlyKeyUser' class='tb'>只看楼主</a>");
$("div[id^=r_]").each(function(){
var _this = $(this);
var _reply = _this.find(".reply_content");
//———回复空格修复———
_reply.css("whiteSpace", "pre-wrap").html(function(i, o){
return o.replace(/\n<br>/g, "\n").replace(/<br>/g, "\n");
});
function lazyGist(element) {
}
//———回复空格修复———
var _reply_content = _reply.html();
var _reply_user_name = _this.find("strong a").text();
var _reply_at_name = RegExp("<a href=\"/member/(.*?)\">").exec(_reply_content);
if ( _key_user == _reply_user_name ){
_this.addClass("keyUser");
}else{
_this.addClass("normalUser");
}
//判断高度是否超高
var height = _reply.height();
if ( height > 1000 ){
_reply.addClass("waitForFold");
_reply.attr("vPlus-height", height);
}
_reply_user_name_list[r_i] = _reply_user_name;
_reply_content_list[r_i++] = _reply_content;
//设置按钮名称，是否出现，出现位置
var btn_name = "";
if ( _reply_at_name ){
btn_name = "会话详情";
}else{
for (var i=r_i-2; i; --i){
_reply_user_name_list[i] == _reply_user_name && (btn_name = "所有回复");
break;
}
}
var _append_place;
var _thanked = _this.find(".thanked");
if ( _thanked.text() == "感谢已发送" ){
_append_place = _thanked;
}else{
var itemAll = _this.find(".no");
var item1 = itemAll[0];
if (itemAll.length > maxNestDivCount){
maxNestDivCount = itemAll.length;
}
_append_place = _this.find(item1).prev();
}
if ( btn_name ){
_append_place.before(" <a role='button' tabindex='0' class='replyDetailBTN'>"+ btn_name +"</a> ");
}
// console.log(page_current_num)
_append_place.before(" <a role='button' tabindex='0' class='direct' data-clipboard-text='"
+ location.origin + location.pathname + "?p=" + page_current_num + "#" + _this.attr("id")
+ "'>楼层直链</a> ");
});
// 修复因为恢复回复排版导致 gist 无法加载的问题
$('body').append("<script>$('.reply_content button').click(function(){lazyGist(this)})</script>")
// if (~~page_current_num > 1){
//console.log('V2EX PLUS: 此主题有多页回复，正在加载所有回复。');
$.get("https://www.v2ex.com/api/replies/show.json?topic_id="+/\/t\/([0-9]+)/.exec(window.location.href)[1],function(data){
//console.log('V2EX PLUS: 所有回复加载完成。');
for (var i in data){
_reply_user_name_list[~~i+1] = data[i].member.username;
_reply_content_list[~~i+1] = data[i].content_rendered;
}
page_previous_num = "0";
});
// }
$(".direct").click(function () {
setClipboardText($(this).data("clipboard-text"));
});
$("#onlyKeyUser").click(function(){
var _this = $(this);
if (_this.text() == "只看楼主"){
_this.text("全部回复");
$(".normalUser").slideUp(600);
}else{
_this.text("只看楼主");
$(".normalUser").slideDown(600);
}
});
chrome.storage.sync.get(function(response) {
const topic_height = _topic.height(),
r = parseInt((response.replyColor).substring(1,3),16),
g = parseInt((response.replyColor).substring(3,5),16),
b = parseInt((response.replyColor).substring(5,7),16),
replyColor = `${r},${g},${b},${response.replyA}`;
$(".keyUser").css("backgroundColor", `rgba(${replyColor})`);//设置楼主回复背景颜色
if (response.fold){//折叠超长主题
if (topic_height>1800){
_topic_content.css({maxHeight:"600px", overflow:"hidden", transition:"max-height 2s"});
$(".subtle", _topic).hide();
const $showTopic = $("<div id='showTopic' style='padding:16px; color:#778087;'>\
<button id='topicBTN'>展开主题</button>\
<div style='height:10px;'></div>\
<span style='font-size:0.6em'>主题超长已自动折叠，点击按钮显示完整的主题。</span>\
</div>");
if(_topic_buttons.length > 0){//用户未登录状态下，_topic_buttons不存在
_topic_buttons.before($showTopic);
} else {
_topic.append($showTopic);
}
$("#topicBTN").click(function(){
//乘2是由于当图片未加载完成时，预先记录的高度不准确（短于实际高度）
_topic_content.css({maxHeight:topic_height*2});
//还有可能是图片及其多，一开始保存的高度数值只有很少一部分图片的高度，所以在上面的两秒动画后还得再取消高度限制
setTimeout(function(){
_topic_content.css({maxHeight:"none"});
}, 2000);
$(".subtle", _topic).slideDown(800);
$("#showTopic").remove();
});
}
var _reply = $(".waitForFold");
_reply.css({maxHeight:"300px", overflow:"hidden", transition:"max-height 2s"});
_reply.after("<div class='showReply' style='padding:20px 0px 10px; color:#778087; text-align:center; border-top:1px solid #e2e2e2'>\
<span class='replyBTN'>展开回复</span>\
<div style='height:16px;'></div>\
<span>回复超长已自动折叠，点击按钮显示完整的回复。</span>\
</div>");
$(".replyBTN").click(function(){
var _this = $(this);
var _showReply = _this.parent();
var _reply = _showReply.prev();
_reply.css({maxHeight:2*~~(_reply.attr("vPlus-height"))+"px"});
setTimeout(function(){
_reply.css({maxHeight:"none"});
}, 2000);
_showReply.remove();
});
}
//————————高亮感谢————————
$(".box .small.fade").each(function(){
if ($(this).text().indexOf("♥") !== -1)
$(this).css("color", response.thankColor);
});
//————————高亮感谢————————
});
//————————同一帖子翻页跳过主题————————
var _t_num = RegExp("/t/([0-9]+)");
var _history_t_num = _t_num.exec(document.referrer);
_history_t_num = _history_t_num!=null && _history_t_num[1] || "none";
var _current_t_num = _t_num.exec(window.location.href)[1] || " none ";
if ( _history_t_num == _current_t_num ){
$("html, body").animate({scrollTop: (_topic_buttons.offset().top)}, 300);
}
//————————同一帖子翻页跳过主题————————
//————————视频非 http 访问提示————————
if ( location.protocol == "https:" ){
var iframe_list = _topic_content.find("iframe");
iframe_list.each(function(){
//判断是否为腾讯视频
var _this = $(this);
if (/http:\/\/v.qq.com/.test(_this.attr("src"))){
_this.attr("src", function(index, oldvalue){
return "https" + oldvalue.substring(4);
});
_this.before("v2ex plus 提醒您：<br/>由于您以 https 访问 v2ex，已将腾讯视频链接修改为 https 现可正常观看。");
//判断是否为优酷视频
}else if (/http:\/\/player.youku.com/.test(_this.attr("src"))){
_this.before("v2ex plus 提醒您：<br/>由于您以 https 访问 v2ex，无法正常显示优酷视频，您可以访问此链接观看：<br/><br/>    <a href='"+ _this.attr("src") +"' target='_blank'>新窗口观赏视频</a><br/><br/>");
_this.remove();
}
});
}
//————————腾讯视频非 http 访问提示————————
//————————————————基本信息的获取及初始化————————————————
//——————————————————————————————————会话详情 所有回复——————————————————————————————————
var btn_id = 0;
$(".replyDetailBTN").click(function(){
if(maxNestDivCount > 1){
alert("可能与其他脚本或扩展有冲突，会话详情暂不可用！");
return;
}
var _this = $(this);
var _cell = _this.parents("div[id^=r_]");//由于最后一条回复 class 为 inner 所以还是匹配 id 完整些
var _reply_user_name = _cell.find("strong a").text();
var _reply_content = _cell.find(".reply_content").html();
var btn_name = _this.text();
var _bubble, _replyDetail;
_this.css("visibility", "visible");
//————————————————会话详情功能————————————————
if ( btn_name == "会话详情"){
_this.text("加载中...");
_cell.after("<div class='replyDetail'></div>");
_replyDetail = _cell.next(".replyDetail");
var _reply_at_name_list = get_at_name_list( _reply_content );
_replyDetail.append("<div class='smartMode' onclick=\"$(this).children('span').toggleClass('checked');$(this).siblings('.unrelated').slideToggle(300);\"><span class='checked'>智能模式</span></div>");
for (let at_name of _reply_at_name_list) {
r_i = 1;
var _no = ~~(_this.closest("td").find(".no").text());
var have_main_reply = false;
_replyDetail.append("<p class='bubbleTitle' style='margin-top: 20px;padding-top: 20px;'>本页内 "+ _reply_user_name +" 与 "+ at_name +" 的会话：</p>");
while ( _reply_user_name_list[r_i] ){
if ( _reply_user_name_list[r_i] == _reply_user_name ){
_bubble = "<div class='rightBubble";
!related_reply( _reply_content_list[r_i], _reply_user_name, at_name ) && (_bubble+=" unrelated");
_bubble += "' style='text-align: right;'>\
<div>\
"+ _reply_content_list[r_i] +"\
<p class='bubbleName' style='text-align:right;'>\
<span class='unrelatedTip'><span> 回复于"+ (r_i+page_previous_num*100) +"层 "+ _reply_user_name +"\
</p>\
</div></div>";
_replyDetail.append( _bubble );
}else if ( _reply_user_name_list[r_i] == at_name ){
_bubble = "<div class='leftBubble";
!related_reply( _reply_content_list[r_i], _reply_user_name, at_name ) && (_bubble+=" unrelated") || (have_main_reply=true);
_bubble += "' style='text-align: left;'>\
<div>\
"+ _reply_content_list[r_i] +"\
<p class='bubbleName' style=''>\
"+ at_name +" 回复于"+ (r_i+page_previous_num*100) +"层 <span class='unrelatedTip'><span>\
</p>\
</div></div>";
_replyDetail.append( _bubble );
}
//如果被@用户只有一条回复但回复是@其他不相干用户则显示这条回复
if ( _no-1 == r_i && !have_main_reply && /(\S+?) 回复于\d+层/.exec(_replyDetail.children(".leftBubble").last().find(".bubbleName").text())[1] == at_name ){
_replyDetail.children(".leftBubble").last().removeClass("unrelated");
}
++r_i;
}
}
_this.addClass("btn_id"+btn_id);
_replyDetail.append("<p class='bubbleName' style='margin-top: 20px;'><span class='replyDetailEnd item_node' \
onclick='$(\".btn_id"+ btn_id +"\").click();\
$(\"html, body\").animate({scrollTop: ($(\".btn_id"+ btn_id++ +"\").offset().top-200)}, 600);'>\
收起会话\
</span></p>");
_this.text("收起会话");
_replyDetail.slideDown(800);
//————————————————会话详情功能————————————————
//————————————————所有回复功能————————————————
}else if( btn_name == "所有回复" ){
_this.text("加载中...");
_cell.after("<div class='replyDetail'></div>");
_replyDetail = _cell.next(".replyDetail");
r_i = 1;
_replyDetail.append("<p class='bubbleTitle' style='margin-top: 20px;padding-top: 20px;'>本页内 "+ _reply_user_name +" 的所有回复：</p>");
while ( _reply_user_name_list[r_i] ){
if ( _reply_user_name_list[r_i] == _reply_user_name ){
_bubble = "<div class='rightBubble' style='text-align: right;'>\
<div>\
"+ _reply_content_list[r_i] +"\
<p class='bubbleName' style='text-align:right;'>\
<span class='unrelatedTip'><span> 回复于"+ (r_i+page_previous_num*100) +"层 "+ _reply_user_name +"\
</p>\
</div>\
</div>";
_replyDetail.append( _bubble );
}
++r_i;
}
_this.addClass("btn_id"+btn_id);
_replyDetail.append("<p class='bubbleName' style='margin-top: 20px;'>\
<span class='replyDetailEnd item_node' \
onclick='$(\".btn_id"+ btn_id +"\").click();$(\"html, body\").animate({scrollTop: ($(\".btn_id"+ btn_id++ +"\").offset().top-200)}, 600);'>\
收起回复\
</span>\
</p>");
_this.text("收起回复");
_replyDetail.slideDown(800);
//————————————————所有回复功能————————————————
//————————————————收起功能————————————————
}else{
_this.css("visibility", "");
btn_name=="收起会话" && _this.text("会话详情") || _this.text("所有回复");
_replyDetail = _cell.next(".replyDetail");
setTimeout(function(){
_replyDetail.remove();
},800);
_replyDetail.slideUp(800);
}
});
//————————————————收起功能————————————————
//————————————————快速查看最近一条回复————————————————
$("body").append("<div id='closeReply'></div>");
var _close_reply = $("#closeReply");
var _reply_link = $(".reply_content a");
var display_foMouse;
_reply_link.mouseenter(function(){
var _this = $(this);
var _no = ~~(_this.closest("td").find(".no").text()) - page_previous_num*100;
var _hover_at_name = RegExp("/member/(.+)").exec( _this.attr("href") );
if ( _hover_at_name != null ){
display_foMouse = setTimeout(function(){
_close_reply.html( "<div style='padding-bottom:6px;'>" + (1) + "层至" + (_no) + "层间未发现该用户的回复</div>" + "<img class='triangle' src='"+ triangle_img +"' />" );
// 判断 @ 之后是否跟了 # 号
var result = RegExp(" #(\\d+)").exec(_this[0].nextSibling.data);
if (result && _reply_user_name_list[+result[1]] == _this.text()){
var i = +result[1];
_close_reply.html( _reply_content_list[i] + "<p class='bubbleName' style='text-align:right; padding-right:0px;'>\
"+ _reply_user_name_list[i] +" 回复于"+ (i+page_previous_num*100) +"层 \
</p><img class='triangle' src='"+ triangle_img +"' />" );
} else {
for (let i=_no - 1; i > 0; --i){
if ( _reply_user_name_list[i] == _hover_at_name[1] ){
_close_reply.html( _reply_content_list[i] + "<p class='bubbleName' style='text-align:right; padding-right:0px;'>\
"+ _reply_user_name_list[i] +" 回复于"+ (i+page_previous_num*100) +"层 \
</p><img class='triangle' src='"+ triangle_img +"' />" );
break;
}
}
}
//判断弹出位置
var _fo_triangle = $(".triangle", _close_reply);
var reply_position = [1, 0];
_fo_triangle.css({bottom:"-6px", top:"auto", transform:"rotate(0deg)"});
//上方空间不够且下方空间足够则向下弹出
if ( ( _this.offset().top - $(document).scrollTop() ) < ( _close_reply.height() + 50 ) && ( $(document).scrollTop() + $(window).height() - _this.offset().top ) > ( _close_reply.height() + 50 ) ){
reply_position = [0, 16];
_fo_triangle.css({top:"-6px", bottom:"auto", transform:"rotate(180deg)"});
}
_close_reply.css({"top":(_this.offset().top - reply_position[0]*(34 + _close_reply.height()) + reply_position[1] ) + "px", "left":(_this.offset().left - 80 + _this.width()/2) + "px", "visibility":"visible", "opacity":"1", "marginTop":"10px", "word-break": "keep-all"});
},300);
}
});
_reply_link.mouseleave(function(){
clearTimeout(display_foMouse);
_close_reply.css({"opacity":"0", "marginTop":"0px"});
setTimeout(function(){
_close_reply.css("visibility", "hidden");
},300);
});
//————————————————快速查看最近一条回复————————————————
//——————————————————————————————————会话详情 所有回复——————————————————————————————————
//——————————————————————————————————图片功能——————————————————————————————————
//————————————————初始化————————————————
//var _reply_textarea = document.getElementById("reply_content");
//_reply_textarea.parentNode.replaceChild(_reply_textarea.cloneNode(true), _reply_textarea);
var _reply_textarea = $("#reply_content");
_reply_textarea.attr("placeholder", "你可以在文本框内直接粘贴截图或拖拽图片上传");
var _reply_textarea_top_btn = _reply_textarea
.parents(".box")
.children(".cell:first-of-type");
_reply_textarea_top_btn
.children("div:first")
.after(
"<div class='inputBTN'><span class='inputBTN1'> ᕀ 表情</span><span class='inputBTN2'> ᕀ 插入图片</span><input type='file' style='display: none' id='imgUpload' accept='image/*' /></div>"
);
$("script").each(function(){
var $this = $(this);
if ($this.attr("scr") || $this.attr("type") || $this.html().indexOf("textcomplete") == -1){
return ;
}
var script = document.createElement("script");
script.textContent = $this.html();
(document.head||document.documentElement).appendChild(script);
script.parentNode.removeChild(script);
});
//————————————————初始化————————————————
//————————————————表情功能————————————————
_reply_textarea_top_btn.before(emoticon_list);
var _emoticon_board = $(".emoticon");
_reply_textarea_top_btn.after("<div class = 'uploadImage'></div>");
var _upload_image = $(".uploadImage");
$(".inputBTN1").click(function(){
var _emoticon_switch = -1;
_emoticon_board.is(":visible") || (_emoticon_switch=1);
_emoticon_board.slideToggle(300);
$("html, body").animate({scrollTop: ($(document).scrollTop()+66*_emoticon_switch)}, 300);
});
$(".emoticon li").click(function(){
var _this = $(this);
var _emoticon = window.navigator.userAgent.toLowerCase().indexOf("mac","iphone","ipod","ipad")>-1 ? " " + _this.text() + " " : _this.text();
_reply_textarea.val(function(i,origText){
return origText + _emoticon;//TODO:根据光标位置插入而不是直接追加到原有内容末尾
});
_reply_textarea.focus();
});
//————————————————表情功能————————————————
//————————————————粘贴图片上传————————————————
var img_id = 1;
//从剪切板上传
//只要粘贴就触发，不管在什么地方粘贴
document.body.addEventListener("paste", function(e) {
for (var i = 0; i < e.clipboardData.items.length; ++i) {
var this_item = e.clipboardData.items[i];
if ( this_item.kind == "file" && /image\/\w+/.test(this_item.type) ) {
var imageFile = this_item.getAsFile();
var fileReader = new FileReader();
fileReader.onloadend = function() {
input_img( this.result, img_id++ );
};
fileReader.readAsDataURL(imageFile);
//阻止原有的粘贴事件以屏蔽文字
e.preventDefault();
//只黏贴一张图片
break;
}
}
});
//————————————————粘贴图片上传————————————————
//————————————————选择图片上传————————————————
var _upload_img_btn = $(".inputBTN2");
var _imgUpload = $("#imgUpload");
_upload_img_btn.click(function(){
_imgUpload.click();
});
_imgUpload.change(function(e){
var files = e.target.files || (e.dataTransfer && e.dataTransfer.files);
if (files){
var img_file = files[0];
//Chrome input file 支持 accepts 属性
// if(!/image\/\w+/.test(img_file.type)){
// alert("请上传图片文件");
// return false;
// }else{
var reader = new FileReader();
reader.onload = function() {
input_img( this.result, img_id++ );
};
reader.readAsDataURL(img_file);
// }
}else{
alert("出错了，获取不到文件。");
}
});
//————————————————选择图片上传————————————————
//————————————————替换图片标签————————————————
if (_reply_textarea.val()) {
_reply_textarea_top_btn.append(" <span style=\"color:red;\">之前如有上传的图片则已丢失，请重新上传。</span>");
//还原图片链接为标签
_reply_textarea.val(function(i,origText){
for (var img_key_name in img_list){
origText = origText.replace(new RegExp(img_list[img_key_name],"g"), "[:"+img_key_name+":]");
}
return origText;
});
}
//#1是用来调试的，点击 textarea 模拟显示上传的字符串
//_reply_textarea.click(function( e ){//#1
_reply_textarea.parent().submit(function( e ){
if ( _upload_img_btn.text().indexOf("正在上传") === -1 ){
_reply_textarea.val(function(i,origText){
origText = origText.replace(new RegExp("\\[:(.+?):\\]", "g"), function(i,k){
const img_url = img_list[k];
if (img_url) {
return img_url;
} else {
e.preventDefault();
return "[:此图片标签已失效删除后请重新上传" + k + ":]";
}
});
return origText;
});
}else{
confirm("仍有图片未上传完成，确定要直接回复？\n未上传的图片将不被发送") || e.preventDefault();
}
});
//支持快捷键回复
_reply_textarea.keydown(function(e) {
if ((e.ctrlKey || e.metaKey) && e.which === 13) {
//e.preventDefault();
_reply_textarea.parent().submit();
}
});
//————————————————替换图片标签————————————————
//————————————————旋转图片————————————————
function rotateImg(img, times){
var scale;
if ( times & 1 ){
scale = img.height()/img.width();
}else{
scale = 1;
}
img.css("transform", "rotate("+ 90*times +"deg) scale("+ scale +")");
img.attr("times", times);
_rotateImg.css("display", "none");
}
$("body").append("<div id='rotateImg'><span id='rotateImgLBtn'>左旋</span> <span id='rotateImgRBtn'>右旋</span> </div>");
var _rotateImg = $("#rotateImg");
var _will_rotate_img;
var _rotate_times;
var _rotate_img = $(".reply_content img");
_rotate_img.mouseenter(function(){
var _this = $(this);
var width = _this.width();
var height = _this.height();
if( width>100 && height>30 ){
_will_rotate_img = _this;
_rotate_times = _this.attr("times") || (_this.attr("times", "0") && "0");
var position = _this.offset();
width = _rotate_times & 1 && (height*height/width) || _this.width();
_rotateImg.css({"top":position.top, "left":position.left + width - _rotateImg.width(), "display": "block"});
}
});
$("#rotateImgLBtn").click(function(){
rotateImg(_will_rotate_img, --_rotate_times);
});
$("#rotateImgRBtn").click(function(){
rotateImg(_will_rotate_img, ++_rotate_times);
});
//移出图片时隐藏按钮，暂时没想到更好的方法
_rotate_img.mouseleave(function(){
_rotateImg.css("display", "none");
});
_rotateImg.mouseenter(function(){
_rotateImg.css("display", "block");
});
_rotateImg.mouseleave(function(){
_rotateImg.css("display", "none");
});
//————————————————旋转图片————————————————
//——————————————————————————————————图片功能——————————————————————————————————
//——————————————————————————————————快捷键——————————————————————————————————
var _r_c=$("#reply_content");
var bottom = $("#Main .inner");
var tab_switch = false;
$(document).keydown(function(event) {
var keyCode = event.which;
if (keyCode == 9 && _r_c.length > 0 && bottom.length > 0) {
if (!_r_c.attr("id") || tab_switch){
$("html, body").animate({scrollTop: 0}, 300);
_r_c.blur();
tab_switch = false;
}else{
$("html, body").animate({scrollTop: (bottom.offset().top)}, 300);
_r_c.focus();
tab_switch = true;
}
window.event.returnValue = false;
}
});
//——————————————————————————————————快捷键——————————————————————————————————
//——————————————————————————————————拖拽上传图片——————————————————————————————————
_r_c[0].addEventListener("drop",function(e){
e.preventDefault();
var fileReader = new FileReader();
fileReader.onloadend = function() {
input_img( this.result, img_id++ );
};
fileReader.readAsDataURL(e.dataTransfer.files[0]);
});
//——————————————————————————————————拖拽上传图片——————————————————————————————————
//——————————————————————————————————回复楼层号——————————————————————————————————
chrome.storage.sync.get(function(response) {
if (response.replyUser){
$("[alt=\"Reply\"]").click(function(){
setTimeout(() => {
const replyContent = $("#reply_content"),
oldContent = replyContent.val(),
prefix = "#" + $(this).parent().parent().find(".no").text() + " ";
let newContent = "";
if (oldContent.length > 0){
if (oldContent != prefix) {
newContent = oldContent + prefix;
}
} else {
newContent = prefix;
}
replyContent.focus();
replyContent.val(newContent);
}, 100);
});
}
});
//——————————————————————————————————回复楼层号——————————————————————————————————
//——————————————————————————————————https 新浪图床修改——————————————————————————————————
if (location.protocol == "https:"){
setTimeout(function () {
$(".reply_content img").each(function(){
var $this = $(this);
if ($this[0].src.indexOf(".sinaimg.cn") != -1 && $this[0].src.indexOf("http://") != -1) {
$this[0].src = "https" + $this[0].src.substr(4);
}
$this[0].src = $this[0].src.replace("https://ws2.sinaimg.cn","https://ww1.sinaimg.cn")
});
}, 100);
}
//——————————————————————————————————重新解析图片——————————————————————————————————
/*
默认情况下，v2ex中的评论只渲染来自imgur/weibo/v2ex的图片URL，用户体验非常不好。
需要解决两个问题：
1. 图床限制
2. 非标准的图片URL，以下是需要转换的URL
- https://imgur.com/s9vHWcC
- not starts with https://
*/
// Helper functions
var regex_common_imgurl = /\/.+\.(jpeg|jpg|gif|png)$/;
function is_common_img_url(url) { // 常见的图片URL
return (url.match(regex_common_imgurl) != null);
}
var regex_imgur_imgurl = /^https?:\/\/imgur\.com\/[a-zA-Z0-9]{7}$/;
function is_imgur_url(url) { // 是否属于imgur的图片URL
return (url.match(regex_imgur_imgurl) != null);
}
function is_img_url(url) {
return (is_common_img_url(url) || is_imgur_url(url));
}
function has_img_url(text) {
return (
regex_common_imgurl.test(text) ||
regex_imgur_imgurl.test(text)
);
}
function convert_img_url(url) {
url = url.replace(/ /g, '');
// https://imgur.com/s9vHWcC
if (is_imgur_url(url)) {
url += ".png";
}
if (is_img_url(url)) {
// not starts with `http`
if (!(
url.startsWith('//') ||
url.startsWith('http://') ||
url.startsWith('https://')
)) {
url = 'https://' + url;
}
}
return url;
}
var regex_url = /((http(s)?:)?\/\/.)?(www\.)?[-a-zA-Z0-9@:%._\+~#=]{2,256}\.[a-z]{2,6}\b([-a-zA-Z0-9@:%_\+.~#?&//=]*)/g;
function replacer_url2img(match, offset, string) {
if (is_common_img_url(match)) {
let t = `<a target="_blank" href="${match}"><img src="${match}" /></a>`;
return t;
}
return match;
}
var regex_mdimg = /(?:!\[(.*?)\]\s*\((.*?)\))/g;
function replacer_mdimg2htmlimg(match, p1, p2, offset, string) {
p2 = convert_img_url(p2);
if (is_common_img_url(p2)) {
show_parsed = true;
let t = `<a target="_blank" href="${p2}"><img src="${p2}" alt="${p1}" /></a>`;
return t;
}
return match;
}
var regex_html_imgtag = /<img.*?src="(.*?)"[^\>]*>/g;
function replacer_plainimgtag2imgtag(match, p, offset, string) {
p = convert_img_url(p);
return `<a target="_blank" href="${p}"><img src="${p}" /></a>`;
}
var regex_dirty_html = /<(?:\/|)script>/g;
function replace_dirty2escape(p, offset, string) {
return p.startsWith("<s") ? "<script>" : "<\/script>";
}
function construct_separator_html(id, tip) { // tip: 显示/隐藏
let html_part1 = `<p class="reply-separator">`,
html_part2 = `</p>`;
return html_part1 +
`（本回复已由<a href="https://github.com/sciooga/v2ex-plus"> v2ex plus </a>重新解析）<a class="toggle_original_reply_link" reply-id="${id}">点击此处${tip}原始回复</a>` +
html_part2;
}
// Main logic and code
/*
针对每个回复，拷贝其html，并作如下处理：
1. 恢复出原始文本
1.1 用<img>中的src替换<img>
1.2 用<a>中的text替换<a>
2. 重新解析文本
2.1 转换markdown格式的图片: `![]()` -> <img />
2.2 转换escaped <img>格式的图片: `<img >` -> <img />
2.3 转换plain image url: *.jpg -> <img />
3.替换脏字符为转义字符
4. 判断是否展示
*/
chrome.storage.sync.get("imageParsing", function(settings) {
var imageParsing = settings["imageParsing"];
if (imageParsing == "off") {
return;
}
var show_parsed = false;
var replies = $(".reply_content");
let i = 0,
n_replies = replies.length;
for (; i < n_replies; i++) {
// for each reply
let reply = $(replies[i]),
reply_copy = reply.clone(true, true),
j = 0;
show_parsed = false;
// 1. 恢复出原始文本
let imgs = $(reply_copy).find("img"),
n_imgs = imgs.length;
for (j = 0; j < n_imgs; j++) { // 1.1 用<img>中的src替换<img>
let img = $(imgs[j]),
img_url = img.attr("src");
img.replaceWith(img_url);
}
let links = $(reply_copy).find("a"),
n_links = links.length;
for (j = 0; j < n_links; j++) { // 1.2 用<a>中的text替换<a>
let a = $(links[j]),
href = a.attr("href"),
text = a.text();
text = text.replace(/ /g, "");
if (is_img_url(href) && is_img_url(text)) {
// or less strict: has_img_url(text)
url = convert_img_url(text);
a.replaceWith(url);
}
}
// 2. 重新解析文本
let html = $(reply_copy).html();
html = html.replace(regex_mdimg, replacer_mdimg2htmlimg); // 2.1 转换markdown格式的图片![]()
$(reply_copy).html(html);
html = html.replace(regex_html_imgtag, replacer_plainimgtag2imgtag); // 2.2 转换html <img>格式的图片<img />
$(reply_copy).html(html);
let contents = $(reply_copy).contents();
for (j = 0; j < contents.length; j++) { // 2.3 转换plain image url
let content = $(contents[j]);
if (content[0].nodeType == 3) {
// text
let text = $(content).text();
if (regex_url.test(text)) {
text = text.replace(regex_url, replacer_url2img);
$(contents[j]).replaceWith(text);
}
}
}
//3.替换脏字符为转义字符
html = $(reply_copy).html();
html = html.replace(regex_dirty_html, replace_dirty2escape); // 3.1 将脏字符替换为转义字符
$(reply_copy).html(html);
// 4. 判断是否展示
if (
show_parsed ||
reply.find("img").length < reply_copy.find("img").length
) {
reply.wrapInner(
`<div id="original-reply-${i}" class="original-reply"></div>`
);
if (imageParsing == "auto-hide") {
$(`#original-reply-${i}`).toggle(false);
}
reply.append(`<div id="reply-separator-${i}-display"></div>`);
reply.append(`<div id="reply-separator-${i}-hide"></div>`);
$(`#reply-separator-${i}-display`).html(
construct_separator_html(i, "显示")
);
$(`#reply-separator-${i}-hide`).html(
construct_separator_html(i, "隐藏")
);
if (imageParsing == "auto-hide") {
$(`#reply-separator-${i}-display`).toggle(true);
$(`#reply-separator-${i}-hide`).toggle(false);
} else {
$(`#reply-separator-${i}-display`).toggle(false);
$(`#reply-separator-${i}-hide`).toggle(true);
}
reply_copy.wrapInner(`<div id="parsed-reply${i}"></div>`);
reply.append(reply_copy.contents());
}
}
$(".toggle_original_reply_link").click(function(e) {
setTimeout(() => {
let target = $(e.target),
id = target.attr("reply-id");
$(`#original-reply-${id}`).toggle();
$(`#reply-separator-${id}-display`).toggle();
$(`#reply-separator-${id}-hide`).toggle();
}, 100);
});
});