writer.js

   1 document.addEventListener('DOMContentLoaded', () => {
   2         let wpinput = document.getElementById('wptitle');
   3         if (wpinput) {
   4                 let wpbutton = wpinput.parentNode.appendChild(document.createElement('button'));
   5                 wpbutton.type = 'button';
   6                 wpbutton.append('Download');
   7                 wpbutton.onclick = () => {
   8                         let wptitle = wpinput.value || document.getElementById('form').value;
   9                         let wplang = document.getElementById('lang').value;
  10                         let wpapi = `https://${wplang}.wikipedia.org/w/api.php`;
  11                         let wppage = wpapi+'?action=parse&format=json&origin=*&prop=text|langlinks&page='+wptitle;
  12                         fetch(wppage).then(res => res.json()).then(json => {
  13                                 if (json.error) throw `error returned: ${json.error.info}`;
  14                                 wpinput.value = json.parse.title;
  15
  16                                 // translations from language links
  17                                 let wplangs = json.parse.langlinks;
  18                                 if (wplangs) wplangs.forEach(wptrans => {
  19                                         let transrow = document.getElementById('trans-' + wptrans.lang);
  20                                         if (!transrow || transrow.value) return;
  21                                         transrow.value = wptrans['*'];
  22                                 });
  23
  24                                 // list images in article html
  25                                 let imginput = document.getElementById('source');
  26                                 if (!imginput || imginput.value) return;
  27                                 let wpimages = json.parse.text['*'].match(/<img\s[^>]+>/g);
  28                                 let wpselect = wpinput.parentNode.appendChild(document.createElement('ul'));
  29                                 wpselect.className = 'popup';
  30                                 wpimages.forEach(img => {
  31                                         let selectitem = wpselect.appendChild(document.createElement('li'));
  32                                         selectitem.insertAdjacentHTML('beforeend', img);
  33                                         selectitem.onclick = e => {
  34                                                 let imgsrc = e.target.src
  35                                                         .replace(/^(?=\/\/)/, 'https:')
  36                                                         .replace(/\/thumb(\/.+)\/[^\/]+$/, '$1');
  37                                                 imginput.value = imgsrc;
  38                                                 wpselect.remove();
  39                                                 return false;
  40                                         };
  41                                 });
  42                         }).catch(error => alert(error));
  43                         return false;
  44                 };
  45                 wpbutton = wpinput.parentNode.appendChild(document.createElement('button'));
  46                 wpbutton.type = 'button';
  47                 wpbutton.append('Visit');
  48                 wpbutton.onclick = () => {
  49                         let wptitle = wpinput.value || document.getElementById('form').value;
  50                         let wplang = document.getElementById('lang').value;
  51                         let wpurl = `https://${wplang}.wikipedia.org/wiki/${wptitle}`;
  52                         window.open(wpurl, 'sheet-wikipedia').focus();
  53                         return false;
  54                 };
  55         }
  56
  57         let imgpreview = document.getElementById('sourcepreview');
  58         if (imgpreview) {
  59                 let imginput = document.getElementById('source');
  60                 imginput.parentNode.parentNode.append(imgpreview); // separate row
  61                 let previewbutton = imginput.parentNode.appendChild(document.createElement('button'));
  62                 previewbutton.type = 'button';
  63                 previewbutton.append('View');
  64                 previewbutton.onclick = () => {
  65                         previewbutton.childNodes[0].nodeValue = imgpreview.hidden ? 'Hide' : 'View';
  66                         imgpreview.hidden = !imgpreview.hidden;
  67                 };
  68         }
  69
  70         let translist = document.getElementById('trans');
  71         if (translist) {
  72                 let transadd = translist.appendChild(document.createElement('li'));
  73                 let transselect = transadd.appendChild(document.createElement('select'));
  74                 transselect.appendChild(document.createElement('option'));
  75                 for (let langoption of document.getElementById('lang').options) {
  76                         if (document.getElementById('trans-'+langoption.value)) continue;
  77                         let transoption = document.createElement('option');
  78                         transoption.value = langoption.value;
  79                         transoption.append(langoption.label);
  80                         transselect.appendChild(transoption);
  81                 }
  82                 transselect.onchange = e => {
  83                         let inputlang = e.target.selectedOptions[0];
  84                         let transadded = translist.insertBefore(document.createElement('li'), transadd);
  85                         let translabel = transadded.appendChild(document.createElement('label'));
  86                         translabel.append(inputlang.label.replace(/ (.+)/, ' ')); //TODO title = $1
  87                         let transinput = transadded.appendChild(document.createElement('input'));
  88                         transinput.name = 'trans-'+inputlang.value;
  89                         translabel.setAttribute('for', transinput.id = transinput.name);
  90                         inputlang.remove();
  91                         if (e.target.length <= 1) e.target.remove();
  92                         transinput.focus();
  93                 };
  94         }
  95 });