// ==UserScript==
// @name         Pixiv动图预览
// @namespace    
// @version      0.2
// @description  在网页右侧显示预览图(非动图适用)，分辨率低慎用。
// @author       Ocrosoft
// @match        https://www.pixiv.net/search.php*
// @match        https://www.pixiv.net/member_illust.php*
// @grant        none
// @require      http://code.jquery.com/jquery-2.1.4.min.js
// @downloadURL none
// ==/UserScript==

function addSidePreview() {
    'use strict';
    $('._layout-thumbnail').mouseenter(function(){
        if($('#preview_div').attr('data-id')==$(this.children[0]).attr('data-id'))return;
        //console.log($(this.children[0]).attr('data-id'));
        var ifr=document.createElement('iframe');
        $(ifr).css({'width':'100%','height':'100%'});
        ifr.src='https://www.pixiv.net/member_illust.php?mode=medium&illust_id='+$(this.children[0]).attr('data-id')+'#preview';
        $('#preview_div').children().remove();
        $('#preview_div').append(ifr);
        $('#preview_div').attr('data-id',$(this.children[0]).attr('data-id'));
    });
    $('._layout-thumbnail').addClass('prev');
}

function clearOtherElements(){
    if(location.href.indexOf('#preview')==-1)return;
    $('body').append($('.works_display')[0]);
    $('body').children().each(function(i,d){
        if(!$(d).hasClass('works_display'))d.remove();
    });
    /*var c=$('body').children();
    c.each(function(i,d){
        if(d.id!='wrapper')d.remove();
        else{
            $(d).children().each(function(j,e){
                if(!$(e).hasClass('layout-a'))e.remove();
                else{
                    $('.layout-column-1').remove();
                }
            });
        }
    });
    c=$('.layout-column-2').children();
    c.each(function(i,d){
        if(!$(d).hasClass('_unit'))d.remove();
        else{
            $(d).children().each(function(j,e){
                if(!$(e).hasClass('works_display'))e.remove();
            });
        }
    });*/
    //$('body').css('display','');
}

if(location.href.indexOf('member_illust.php')!=-1){
    //$('body').css('display','none');
    $('document').ready(clearOtherElements());
}else {
    setInterval(function(){
        if($('#preview_div').length<=0){
            try{$($('.popular-introduction-block')[0].parentNode).remove();}catch(e){}
            var d=document.createElement('div');
            d.id="preview_div";
            $(d).css({"right":"0px","position":"fixed","top":"0px","width":"25%","height":"100%"});
            //d.innerHTML='<iframe style="width:100%;height:100%;"></iframe>';
            $('body').append(d);
            //https://www.pixiv.net/member_illust.php?mode=medium&illust_id=62814980
        }
        var t=$('._layout-thumbnail');
        if(!$(t[t.length-1]).hasClass('prev'))addSidePreview();
    },500);
}