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https://github.com/moodle/moodle.git
synced 2025-08-04 16:36:37 +02:00
"MDL-14651, improve ajax chat module"
This commit is contained in:
dongsheng
parent
1a3f83348d
commit
83064f9c24
8 changed files with 473 additions and 452 deletions
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@ -1,7 +1,11 @@
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// record msg IDs
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var msgs = [];
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var interval = null;
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var scrollable = true;
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YAHOO.namespace('moodle.chat');
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YAHOO.moodle.chat.api = moodle_cfg.wwwroot+'/mod/chat/chat_ajax.php';
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YAHOO.moodle.chat.interval = null;
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YAHOO.moodle.chat.chat_input_element = null;
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YAHOO.moodle.chat.msgs = [];
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YAHOO.moodle.chat.scrollable = true;
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(function() {
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var Dom = YAHOO.util.Dom, Event = YAHOO.util.Event;
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@ -10,11 +14,11 @@ Event.onDOMReady(function() {
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// build layout
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var layout = new YAHOO.widget.Layout({
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units: [
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{ position: 'top', height: 60, body: 'chat_header', header: chat_cfg.header_title, gutter: '5px', collapse: true, resize: false },
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{ position: 'right', header: chat_lang.userlist, width: 180, resize: true, gutter: '5px', footer: null, collapse: true, scroll: true, body: 'chat_user_list', animate: false },
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{ position: 'bottom', header: chat_lang.inputarea, height: 60, resize: true, body: 'chat_input', gutter: '5px', collapse: false, resize: false },
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{ position: 'top', height: 50, body: 'chat-header', gutter: '5px', resize: false },
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{ position: 'right', width: 180, resize: true, gutter: '5px', scroll: true, body: 'chat-userlist', animate: false },
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{ position: 'bottom', height: 42, resize: false, body: 'chat-input', gutter: '5px', collapse: false, resize: false },
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//{ position: 'left', header: 'Options', width: 200, resize: true, body: 'chat_options', gutter: '5px', collapse: true, close: true, collapseSize: 50, scroll: true, animate: false },
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{ position: 'center', body: 'chat_panel', gutter: '5px', scroll: true }
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{ position: 'center', body: 'chat-messages', gutter: '5px', scroll: true }
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]
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});
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layout.on('render', function() {
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@ -25,37 +29,45 @@ Event.onDOMReady(function() {
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layout.render();
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Event.on('btn_send', 'click', function(ev) {
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Event.stopEvent(ev);
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send_message();
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YAHOO.moodle.chat.send_message();
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});
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Event.on('chat_panel', 'mouseover', function(ev) {
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Event.on('chat-messages', 'mouseover', function(ev) {
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Event.stopEvent(ev);
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scrollable = false;
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YAHOO.moodle.chat.scrollable = false;
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});
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Event.on('chat_panel', 'mouseout', function(ev) {
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Event.on('chat-messages', 'mouseout', function(ev) {
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Event.stopEvent(ev);
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scrollable = true;
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YAHOO.moodle.chat.scrollable = true;
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});
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var key_send = new YAHOO.util.KeyListener(document, { keys:13 }, {fn:send_message, correctScope:true });
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key_send.enable();
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document.getElementById('input_msgbox').focus();
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YAHOO.moodle.chat.chat_input_element = document.getElementById('input_msgbox');
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YAHOO.moodle.chat.chat_input_element.onkeypress = function(ev) {
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var e = (ev)?ev:event;
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if (e.keyCode == 13) {
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YAHOO.moodle.chat.send_message();
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}
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}
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document.title = chat_cfg.chatroom_name;
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this.cb = {
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success: function(o){
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YAHOO.moodle.chat.chat_input_element.focus();
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if(o.responseText){
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var data = YAHOO.lang.JSON.parse(o.responseText);
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} else {
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return;
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}
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if (data.users) {
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update_users(data.users);
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YAHOO.moodle.chat.update_users(data.users);
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}
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}
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}
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var transaction = YAHOO.util.Connect.asyncRequest('POST', "update.php?chat_sid="+chat_cfg.sid+"&chat_init=1", this.cb, null);
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interval = setInterval(function(){
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update_messages();
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var params = {};
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params.action = 'init';
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params.chat_init = 1;
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params.chat_sid = chat_cfg.sid;
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var trans = YAHOO.util.Connect.asyncRequest('POST', YAHOO.moodle.chat.api, this.cb, build_querystring(params));
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YAHOO.moodle.chat.interval = setInterval(function(){
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YAHOO.moodle.chat.update_messages();
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}, chat_cfg.timer);
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});
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})();
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@ -71,129 +83,151 @@ function in_array(f, t){
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return a;
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}
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function talkto(name) {
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YAHOO.moodle.chat.talkto = function(name) {
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var msg = document.getElementById('input_msgbox');
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msg.value = "To "+name+": ";
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msg.focus();
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}
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function send_message() {
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YAHOO.moodle.chat.send_callback = {
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success: function(o) {
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if(o.responseText == 200){
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document.getElementById('btn_send').value = mstr.chat.send;
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document.getElementById('input_msgbox').value = '';
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}
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clearInterval(YAHOO.moodle.chat.interval)
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YAHOO.moodle.chat.update_messages();
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YAHOO.moodle.chat.interval = setInterval(function(){
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YAHOO.moodle.chat.update_messages();
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}, chat_cfg.timer);
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//document.getElementById('input_msgbox').focus();
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}
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}
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YAHOO.moodle.chat.send_message = function(ev) {
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var msg = document.getElementById('input_msgbox').value;
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var el_send = document.getElementById('btn_send');
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if (!msg) {
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alert('Empty message not allowed');
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return;
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}
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var url = 'post.php?chat_sid='+chat_cfg.sid;
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el_send.value = chat_lang.sending;
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var trans = YAHOO.util.Connect.asyncRequest('POST', url, send_cb, "chat_message="+msg);
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}
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function send_beep(id){
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var url = 'post.php?chat_sid='+chat_cfg.sid;
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var trans = YAHOO.util.Connect.asyncRequest('POST', url, send_cb, "beep="+id);
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el_send.value = mstr.chat.sending;
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var params = {};
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params.chat_message=msg;
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params.chat_sid=chat_cfg.sid;
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var trans = YAHOO.util.Connect.asyncRequest('POST', YAHOO.moodle.chat.api+"?action=chat", YAHOO.moodle.chat.send_callback, build_querystring(params));
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}
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var send_cb = {
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success: function(o) {
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if(o.responseText == 200){
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document.getElementById('btn_send').value = chat_lang.send;
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document.getElementById('input_msgbox').value = '';
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}
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clearInterval(interval)
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update_messages();
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interval = setInterval(function(){
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update_messages();
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}, chat_cfg.timer);
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document.getElementById('input_msgbox').focus();
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}
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YAHOO.moodle.chat.send_beep = function(user_id) {
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var url = 'post.php?chat_sid='+chat_cfg.sid;
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var params = {};
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params.chat_sid = chat_cfg.sid;
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params.beep=user_id;
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var trans = YAHOO.util.Connect.asyncRequest('POST', YAHOO.moodle.chat.api+"?action=chat", YAHOO.moodle.chat.send_callback, build_querystring(params));
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}
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function update_users(users) {
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YAHOO.moodle.chat.update_users = function(users) {
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if(!users){
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return;
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}
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var list = document.getElementById('listing');
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var list = document.getElementById('users-list');
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list.innerHTML = '';
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var html = '';
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for(var i in users){
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var el = document.createElement('li');
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html += '<table><tr><td>' + users[i].picture + '</td><td>'
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html += '<a target="_blank" href="'+users[i].url+'">'+ users[i].name+'<br/>';
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html += '<a href="###" onclick="talkto(\''+users[i].name+'\')">Talk</a> ';
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html += '<a href="###" onclick="send_beep('+users[i].id+')">Beep</a>';
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html += '</td></tr></table>';
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html += '<table>';
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html += '<tr>';
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html += '<td>' + users[i].picture + '</td>';
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html += '<td>';
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html += ' <a target="_blank" href="'+users[i].url+'">'+ users[i].name+'<br/>';
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html += ' <a href="###" onclick="YAHOO.moodle.chat.talkto(\''+users[i].name+'\')">'+mstr.chat.talk+'</a> ';
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html += ' <a href="###" onclick="YAHOO.moodle.chat.send_beep('+users[i].id+')">'+mstr.chat.beep+'</a>';
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html += '</td>';
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html += '</tr>';
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html += '</table>';
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el.innerHTML = html;
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list.appendChild(el);
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}
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}
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function update_messages() {
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YAHOO.moodle.chat.update_messages = function() {
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if(!chat_cfg.req_count){
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chat_cfg.req_count = 1;
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} else {
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chat_cfg.req_count++;
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}
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console.info('Update count: '+chat_cfg.req_count);
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var url = "update.php?chat_sid="+chat_cfg.sid+"&chat_lasttime="+chat_cfg.chat_lasttime;
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var params = {};
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if(chat_cfg.chat_lastrow != null){
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url += "&chat_lastrow="+chat_cfg.chat_lastrow;
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params.chat_lastrow = chat_cfg.chat_lastrow;
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}
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var trans = YAHOO.util.Connect.asyncRequest('POST', url, update_cb, null);
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params.chat_lasttime = chat_cfg.chat_lasttime;
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params.chat_sid = chat_cfg.sid;
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var trans = YAHOO.util.Connect.asyncRequest('POST', YAHOO.moodle.chat.api+"?action=update", YAHOO.moodle.chat.update_cb, build_querystring(params));
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}
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function append_msg(msg) {
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var list = document.getElementById('messageslist');
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YAHOO.moodle.chat.mymsg_cfg = {
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color: { to: '#06e' },
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backgroundColor: { to: '#e06' }
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};
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YAHOO.moodle.chat.oddmsg_cfg = {
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color: { to: 'red' },
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backgroundColor: { to: '#FFFFCC' }
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};
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YAHOO.moodle.chat.evenmsg_cfg = {
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color: { to: 'blue' }
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};
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YAHOO.moodle.chat.append_msg = function(key, msg, row) {
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var list = document.getElementById('messages-list');
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var item = document.createElement('li');
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console.info('New message:'+msg.msg);
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item.id="mdl-chat-entry-"+key;
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if (msg.mymessage) {
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item.className = 'mdl-chat-my-entry';
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} else {
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item.className = 'mdl-chat-entry';
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}
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item.innerHTML = msg.msg;
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if(msg.type && msg.type == 'beep'){
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document.getElementById('notify').innerHTML = '<embed src="../beep.wav" autostart="true" hidden="true" name="beep" />';
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}
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list.appendChild(item);
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}
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var update_cb = {
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success: function(o){
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try {
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if(o.responseText){
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var data = YAHOO.lang.JSON.parse(o.responseText);
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} else {
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return;
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}
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} catch(e) {
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alert('json invalid');
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alert(o.responseText);
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return;
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if (!row) {
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var anim = new YAHOO.util.ColorAnim(item.id, YAHOO.moodle.chat.oddmsg_cfg);
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anim.animate();
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}
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if(data.error) {
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if(data.error.level == 'ERROR'){
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clearInterval(interval);
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window.location = chat_cfg.home;
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}
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if (msg.mymessage) {
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//var anim = new YAHOO.util.ColorAnim(item.id, YAHOO.moodle.chat.mymsg_cfg);
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//anim.animate();
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}
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if(!data)
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return false;
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chat_cfg.chat_lasttime = data['lasttime'];
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chat_cfg.chat_lastrow = data['lastrow'];
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// update messages
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for (key in data['msgs']){
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if(!in_array(key, msgs)){
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msgs.push(key);
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append_msg(data['msgs'][key]);
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}
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}
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// update users
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update_users(data['users']);
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// scroll to the bottom of the message list
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if(scrollable){
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document.getElementById('chat_panel').parentNode.scrollTop+=500;
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}
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}
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}
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// debug code
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if(!console){
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var console = {
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info: function(){
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},
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log: function(){
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YAHOO.moodle.chat.update_cb = {
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success: function(o){
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var data = json_decode(o.responseText);
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if (!data) {
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return;
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}
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if(data.error) {
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if(data.error.level == 'ERROR'){
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clearInterval(YAHOO.moodle.chat.interval);
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window.location = chat_cfg.home;
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}
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}
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chat_cfg.chat_lasttime = data['lasttime'];
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chat_cfg.chat_lastrow = data['lastrow'];
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// update messages
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for (key in data['msgs']){
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if(!in_array(key, YAHOO.moodle.chat.msgs)){
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YAHOO.moodle.chat.msgs.push(key);
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YAHOO.moodle.chat.append_msg(key, data['msgs'][key], data.lastrow);
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}
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}
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// update users
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YAHOO.moodle.chat.update_users(data['users']);
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// scroll to the bottom of the message list
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if(YAHOO.moodle.chat.scrollable){
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document.getElementById('chat-messages').parentNode.scrollTop+=500;
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}
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YAHOO.moodle.chat.chat_input_element.focus();
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}
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}
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