Automatically save drafts locally when you click Preview, keep multiple drafts per topic.
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// ==UserScript==
// @name AltcoinTalks Local Draft Saver
// @namespace https://www.altcoinstalks.com/
// @version 1.0
// @description Automatically save drafts locally when you click Preview, keep multiple drafts per topic.
// @author Royal Cap
// @match https://www.altcoinstalks.com/*
// @grant none
// @license MIT
// ==/UserScript==
(function () {
'use strict';
// === Helpers ===
function findMessageElements() {
const textarea = document.querySelector('textarea[name=message], textarea#message, textarea');
const subject = document.querySelector('input[name=subject], input#subject');
return { textarea, subject };
}
function getContextKey() {
const match = window.location.href.match(/topic=(\d+)/);
return match ? `altc_drafts_topic_${match[1]}` : 'altc_drafts_general';
}
function loadDrafts() { try { return JSON.parse(localStorage.getItem('altc_drafts_v2')) || {}; } catch { return {}; } }
function saveDrafts(obj) { try { localStorage.setItem('altc_drafts_v2', JSON.stringify(obj)); } catch (e) { console.error(e); } }
function getDraftList(key) { const all = loadDrafts(); return all[key] || []; }
function addDraft(key, draft, max=10) { const all = loadDrafts(); const arr = all[key] || []; arr.unshift(draft); if (arr.length > max) arr.length = max; all[key] = arr; saveDrafts(all); }
function showToast(text) {
let el = document.getElementById('altc-toast');
if (!el) {
el = document.createElement('div'); el.id = 'altc-toast';
Object.assign(el.style, {position:'fixed', right:'14px', bottom:'14px', background:'#222', color:'#fff', padding:'8px 12px', borderRadius:'6px', zIndex:99999, transition:'opacity .35s'});
document.body.appendChild(el);
}
el.textContent = text; el.style.opacity='1'; clearTimeout(el.dataset.t); el.dataset.t = setTimeout(()=> el.style.opacity='0',1800);
}
// === UI insertion next to Preview/Post ===
function insertControlsNextToButtons() {
// find likely preview/post button
const previewBtn = document.querySelector("input[name='preview'], button[name='preview'], input[type=submit][value*='Preview'], button[type=submit][name='preview']");
const postBtn = document.querySelector("input[name='post'], input[name='postmodify'], input[type=submit][value='Post'], input[type=submit][value='Save']");
const ref = previewBtn || postBtn || document.querySelector('form[action*="action=post"] input[type=submit], form input[type=submit]');
if (!ref) return false;
// avoid inserting duplicates
if (document.getElementById('altc-draft-controls')) return true;
const wrapper = document.createElement('span');
wrapper.id = 'altc-draft-controls';
wrapper.style.marginLeft = '8px';
const viewBtn = document.createElement('button');
viewBtn.type = 'button';
viewBtn.textContent = 'Drafts';
viewBtn.title = 'View saved drafts';
viewBtn.addEventListener('click', showDraftsModal);
wrapper.append(viewBtn);
ref.parentNode.insertBefore(wrapper, ref.nextSibling);
return true;
}
// === Save logic ===
function saveCurrentDraft() {
const { textarea, subject } = findMessageElements();
if (!textarea) { showToast('Editor not found'); return; }
const key = getContextKey();
addDraft(key, { subject: subject?.value || '', message: textarea.value, savedAt: new Date().toISOString() });
showToast('Draft saved locally');
}
// === Draft modal ===
function showDraftsModal() {
const overlay = document.createElement('div');
overlay.style.cssText = 'position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:99998';
const modal = document.createElement('div');
modal.style.cssText = 'position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);width:min(780px,92%);max-height:78%;overflow:auto;background:#fff;padding:14px;border-radius:8px;z-index:99999';
const h = document.createElement('h3'); h.textContent = 'Saved Drafts';
modal.appendChild(h);
const key = getContextKey();
const drafts = getDraftList(key);
const list = document.createElement('div');
if (!drafts.length) {
const p = document.createElement('div'); p.textContent = 'No drafts yet for this topic.'; list.appendChild(p);
} else {
drafts.forEach((d, idx) => {
const row = document.createElement('div');
row.style.borderBottom = '1px solid #eee';
row.style.padding = '8px 0';
const meta = document.createElement('div');
meta.textContent = `${new Date(d.savedAt).toLocaleString()} — ${d.subject || '(no subject)'}`;
meta.style.fontSize = '12px';
meta.style.color = '#555';
const excerpt = document.createElement('div');
excerpt.textContent = (d.message || '').slice(0,300) + ((d.message||'').length>300 ? '…' : '');
excerpt.style.margin = '6px 0';
const load = document.createElement('button');
load.type = 'button';
load.textContent = 'Load';
load.addEventListener('click', () => {
const { textarea, subject } = findMessageElements();
if (subject) subject.value = d.subject || '';
if (textarea) textarea.value = d.message || '';
showToast('Draft loaded');
close();
});
const del = document.createElement('button');
del.type = 'button';
del.textContent = 'Delete';
del.style.marginLeft = '6px';
del.addEventListener('click', () => {
if (!confirm('Delete this draft?')) return;
deleteDraftAtIndex(key, idx);
close();
showDraftsModal();
});
row.append(meta, excerpt, load, del);
list.appendChild(row);
});
}
const closeBtn = document.createElement('button');
closeBtn.type = 'button';
closeBtn.textContent = 'Close';
closeBtn.style.marginTop = '8px';
closeBtn.addEventListener('click', close);
modal.append(list, closeBtn);
document.body.append(overlay, modal);
function close() { modal.remove(); overlay.remove(); }
}
function deleteDraftAtIndex(key, idx) { const all = loadDrafts(); const arr = all[key]||[]; arr.splice(idx,1); all[key]=arr; saveDrafts(all); }
// === Hook preview buttons to auto-save before their default action ===
function attachPreviewSaveHook() {
const selectors = [
"input[name='preview']",
"button[name='preview']",
"input[type=submit][value*='Preview']",
"button[type=submit][name='preview']",
"input[data-value='Preview']"
];
const nodes = selectors.map(s => Array.from(document.querySelectorAll(s))).flat();
if (!nodes.length) return false;
nodes.forEach(btn => {
if (btn.dataset.altcHooked) return; btn.dataset.altcHooked = '1';
// capture so we save before other listeners that may submit
btn.addEventListener('click', function () {
try { saveCurrentDraft(); } catch (e) { console.error(e); }
// let the forum handle preview/post normally
}, true);
});
return true;
}
// === Initialization ===
function init() {
insertControlsNextToButtons();
attachPreviewSaveHook();
// Retry once for dynamic pages
setTimeout(() => { insertControlsNextToButtons(); attachPreviewSaveHook(); }, 1200);
}
if (document.readyState === 'loading') document.addEventListener('DOMContentLoaded', init); else init();
})();