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comparison src/chat.js @ 12:9f45d32670ae

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server push
author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 31 Oct 2024 21:40:57 -0600
parents 563a5358f2ee
children 0df3a63a895f
comparison
equal deleted inserted replaced
11:563a5358f2ee 12:9f45d32670ae
1 'use strict'; 1 'use strict';
2 2
3 let currentChatId = null; 3 let currentChatId = null;
4 let eventSource;
4 5
5 function selectChat(div) { 6 function selectChat(div) {
6 let chatId = div.getAttribute('chat'); 7 let chatId = div.getAttribute('chat');
7 if( chatId === currentChatId ) 8 if( chatId === currentChatId )
8 return; 9 return;
9 let selected = div.parentNode.querySelector('[selected]'); 10 let selected = div.parentNode.querySelector('[selected]');
10 if( selected ) selected.removeAttribute('selected'); 11 if( selected ) selected.removeAttribute('selected');
11 div.setAttribute('selected',''); 12 div.setAttribute('selected','');
12 ajax(`get_chat.js?chat=${chatId}`); 13 ajax(`get_chat.js?chat=${chatId}`);
13 currentChatId = chatId; 14 currentChatId = chatId;
15
16 if(eventSource) eventSource.close();
17 eventSource = new EventSource(`${location.origin}/chat/${chatId}`);
18 eventSource.onmessage = function(event) {
19 eval(event.data);
20 };
21 }
22
23 function gotChat(html) {
24 document.querySelector('div[posts]').innerHTML = html;
25 fixDates();
26 document.querySelector('div[input] textarea').focus();
27 document.querySelector('div[input]').scrollIntoView({block: 'end'});
14 } 28 }
15 29
16 function fixTextarea(event) { 30 function fixTextarea(event) {
17 let textarea = event.target; 31 let textarea = event.target;
18 textarea.style.height = 'initial'; 32 textarea.style.height = 'initial';
27 let text = textarea.value; 41 let text = textarea.value;
28 if( text.trim() === '' ) 42 if( text.trim() === '' )
29 return; 43 return;
30 ajax(`add_post.js?chat=${currentChatId}&content=${encodeURIComponent(text)}`); 44 ajax(`add_post.js?chat=${currentChatId}&content=${encodeURIComponent(text)}`);
31 textarea.value = ''; 45 textarea.value = '';
32 console.log('addPost');
33 } 46 }
34 47
35 function textareaKey(event) { 48 function textareaKey(event) {
36 if( event.keyCode===13 && !event.shiftKey && !event.ctrlKey && !isMobile ) { 49 if( event.keyCode===13 && !event.shiftKey && !event.ctrlKey && !isMobile ) {
37 event.preventDefault(); 50 event.preventDefault();
48 } 61 }
49 62
50 function deleteChat() { 63 function deleteChat() {
51 ajax(`delete_chat.js?chat=${currentChatId}`); 64 ajax(`delete_chat.js?chat=${currentChatId}`);
52 } 65 }
66
67 function added(html) {
68 let input = document.querySelector('div[input]');
69 input.insertAdjacentHTML('beforebegin',html);
70 input.scrollIntoView({block: 'end'});
71 }