source: allow external website inclusion of json
[sheet.git] / writer.js
1 document.addEventListener('DOMContentLoaded', () => {
2         document.querySelectorAll('.multiinput > input[id]').forEach(el => {
3                 el.oninput = e => {
4                         if (e.target.value == '') return;
5                         let add = e.target.cloneNode(true);
6                         add.value = '';
7                         add.oninput = e.target.oninput;
8                         e.target.parentNode.appendChild(add);
9                         e.target.oninput = undefined;
10                         e.target.removeAttribute('id');
11                 };
12         });
13
14         let wpinput = document.getElementById('wptitle');
15         if (wpinput) {
16                 let wpbutton = wpinput.parentNode.appendChild(document.createElement('button'));
17                 wpbutton.type = 'button';
18                 wpbutton.append('Download');
19                 wpbutton.onclick = () => {
20                         let wptitle = wpinput.value || document.getElementById('form').value;
21                         let wplang = document.getElementById('lang').value;
22                         let wpapi = `https://${wplang}.wikipedia.org/w/api.php`;
23                         let wppage = wpapi+'?action=parse&format=json&origin=*&prop=text|langlinks&page='+wptitle;
24                         fetch(wppage).then(res => res.json()).then(json => {
25                                 if (json.error) throw `error returned: ${json.error.info}`;
26                                 wpinput.value = json.parse.title;
27
28                                 // translations from language links
29                                 let wplangs = json.parse.langlinks;
30                                 if (wplangs) wplangs.forEach(wptrans => {
31                                         let transrow = document.getElementById('trans-' + wptrans.lang);
32                                         if (!transrow || transrow.value) return;
33                                         transrow.value = wptrans['*'].replace(/([^,(]*).*/, (link, short) => {
34                                                 return short.toLocaleLowerCase(wptrans.lang).trimEnd() + ' [' + link + ']';
35                                         });
36                                 });
37
38                                 // list images in article html
39                                 let imginput = document.getElementById('source');
40                                 if (!imginput || imginput.value) return;
41                                 let wpimages = json.parse.text['*'].match(/<img\s[^>]+>/g);
42                                 let wpselect = wpinput.parentNode.appendChild(document.createElement('ul'));
43                                 wpselect.className = 'popup';
44                                 wpimages.forEach(img => {
45                                         let selectitem = wpselect.appendChild(document.createElement('li'));
46                                         selectitem.insertAdjacentHTML('beforeend', img);
47                                         selectitem.onclick = e => {
48                                                 let imgsrc = e.target.src
49                                                         .replace(/^(?=\/\/)/, 'https:')
50                                                         .replace(/\/thumb(\/.+)\/[^\/]+$/, '$1');
51                                                 imginput.value = imgsrc;
52                                                 wpselect.remove();
53                                                 return false;
54                                         };
55                                 });
56                         }).catch(error => alert(error));
57                         return false;
58                 };
59                 wpbutton = wpinput.parentNode.appendChild(document.createElement('button'));
60                 wpbutton.type = 'button';
61                 wpbutton.append('Visit');
62                 wpbutton.onclick = () => {
63                         let wptitle = wpinput.value || document.getElementById('form').value;
64                         let wplang = document.getElementById('lang').value;
65                         let wpurl = `https://${wplang}.wikipedia.org/wiki/${wptitle}`;
66                         window.open(wpurl, 'sheet-wikipedia').focus();
67                         return false;
68                 };
69         }
70
71         let imgpreview = document.getElementById('sourcepreview');
72         if (imgpreview) {
73                 let imginput = document.getElementById('source');
74                 imginput.parentNode.parentNode.append(imgpreview); // separate row
75                 let previewbutton = imginput.parentNode.appendChild(document.createElement('button'));
76                 previewbutton.type = 'button';
77                 previewbutton.append('View');
78                 previewbutton.onclick = () => {
79                         previewbutton.childNodes[0].nodeValue = imgpreview.hidden ? 'Hide' : 'View';
80                         imgpreview.hidden = !imgpreview.hidden;
81                 };
82         }
83
84         let translist = document.getElementById('trans');
85         if (translist) {
86                 let langoptions = Array.prototype.filter.call(document.getElementById('lang').options, opt => {
87                         if (document.getElementById('trans-' + opt.value)) return;
88                         if (document.getElementById('lang').value == opt.value) return;
89                         return true;
90                 });
91                 if (!langoptions.length) return;
92
93                 let transadd = translist.appendChild(document.createElement('li'));
94                 let transselect = transadd.appendChild(document.createElement('select'));
95                 transselect.appendChild(document.createElement('option'));
96                 for (let langoption of langoptions) {
97                         let transoption = document.createElement('option');
98                         transoption.value = langoption.value;
99                         transoption.append(langoption.label);
100                         transselect.appendChild(transoption);
101                 }
102                 transselect.onchange = e => {
103                         let inputlang = e.target.selectedOptions[0];
104                         let transadded = translist.insertBefore(document.createElement('li'), transadd);
105                         let translabel = transadded.appendChild(document.createElement('label'));
106                         translabel.append(inputlang.label.replace(/ (.+)/, ' ')); //TODO title = $1
107                         let transinput = transadded.appendChild(document.createElement('input'));
108                         transinput.name = 'trans-'+inputlang.value;
109                         translabel.setAttribute('for', transinput.id = transinput.name);
110                         inputlang.remove();
111                         if (e.target.length <= 1) e.target.remove();
112                         transinput.focus();
113                 };
114         }
115 });