LOR spoiler

Add spoiler functionality

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name        LOR spoiler
// @namespace   linux.org.ru
// @description Add spoiler functionality
// @include     https://linux.org.ru/*
// @include     https://www.linux.org.ru/*
// @version     2
// @grant       none
// ==/UserScript==

$script.ready('jquery',function(){
  console.log('LOR spoiler is ON');

  // spoiler
  var types = ['cut', 'code', 'pre'];
  var blocks = {
    cut: $('[id ^= cut]'),
    code: $('.code'),
    pre: $('pre:not([class])')
  };

  var total_block_cnt = blocks.cut.length + blocks.code.length + blocks.pre.length;
  var line_limit = total_block_cnt > 2 ? 5 : 15;

  var spoiler_prefix_on = '>>> ';
  var spoiler_prefix_off = '<<< ';

  var tpl = 
    '<span class="sign">'+
      '<span>'+ spoiler_prefix_on +'</span>'+
      '<a '+
      'id="spoiler-hide-{TYPE}_{ID}" '+
      'href="javascript:void(0);" '+
      'onClick="javascript:var block=$(\'#hide-{TYPE}_{ID}\'); var prefix=this.previousElementSibling;'+
        'if (block.css(\'display\')===\'none\') {'+
          'block.show(); prefix.innerText=\''+spoiler_prefix_off+'\'; } else {'+
          'block.hide(); prefix.innerText=\''+spoiler_prefix_on+'\'; };">'+
      '{TYPE}-spoiler'+
      '</a>'+
    '</span><br/>';

  // change content
  if (total_block_cnt > 0) {
    for (var i = 0; i < types.length; i++) {
      var TYPE = types[i];
      var ID = 0;
      
      blocks[TYPE].each(function() {
        // limit
        var no_hl = $(this).find('pre.no-highlight code');
        var cur_blk = no_hl.length > 0 ?  no_hl : $(this);
        if (cur_blk.text().split("\n").length <= line_limit) return;

        // add spoiler
        var spoiler = tpl.replace(/\{TYPE\}/g, TYPE).replace(/\{ID\}/g, ID);
        $(this).attr('id','hide-'+TYPE+'_'+ ID).hide();
        $(this).before(spoiler);
        
        ID++;
      });
    }
  }
});