codice:
var windowFocus = true;
var username;
var chatHeartbeatCount = 0;
var minChatHeartbeat = 1000;
var maxChatHeartbeat = 33000;
var chatHeartbeatTime = minChatHeartbeat;
var originalTitle;
var blinkOrder = 0;
var chatboxFocus = new Array();
var newMessages = new Array();
var newMessagesWin = new Array();
var chatBoxes = new Array();
$(document).ready(function(){
originalTitle = document.title;
startChatSession();
$([window, document]).blur(function(){
windowFocus = false;
}).focus(function(){
windowFocus = true;
document.title = originalTitle;
});
});
function restructureChatBoxes() {
align = 0;
for (x in chatBoxes) {
chatboxtitle = chatBoxes[x];
if ($("#chatbox_"+chatboxtitle).css('display') != 'none') {
if (align == 0) {
$("#chatbox_"+chatboxtitle).css('right', '20px');
} else {
width = (align)*(225+7)+20;
$("#chatbox_"+chatboxtitle).css('right', width+'px');
}
align++;
}
}
}
function chatWith(chatuser) {
createChatBox(chatuser);
$("#chatbox_"+chatuser+" .chatboxtextarea").focus();
}
function createChatBox(chatboxtitle,minimizeChatBox) {
if ($("#chatbox_"+chatboxtitle).length > 0) {
if ($("#chatbox_"+chatboxtitle).css('display') == 'none') {
$("#chatbox_"+chatboxtitle).css('display','block');
restructureChatBoxes();
}
$("#chatbox_"+chatboxtitle+" .chatboxtextarea").focus();
return;
}
$(" <div />" ).attr("id","chatbox_"+chatboxtitle)
.addClass("chatbox")
.html('<div class="chatboxhead"><div class="chatboxtitle">'+chatboxtitle+'</div><div class="chatboxoptions">- X</div><br clear="all"/></div><div class="chatboxcontent"></div><div class="chatboxinput"><textarea class="chatboxtextarea" onkeydown="javascript:return checkChatBoxInputKey(event,this,\''+chatboxtitle+'\');"></textarea></div>')
.appendTo($( "body" ));
$("#chatbox_"+chatboxtitle).css('bottom', '0px');
chatBoxeslength = 0;
for (x in chatBoxes) {
if ($("#chatbox_"+chatBoxes[x]).css('display') != 'none') {
chatBoxeslength++;
}
}
if (chatBoxeslength == 0) {
$("#chatbox_"+chatboxtitle).css('right', '20px');
} else {
width = (chatBoxeslength)*(225+7)+20;
$("#chatbox_"+chatboxtitle).css('right', width+'px');
}
chatBoxes.push(chatboxtitle);
if (minimizeChatBox == 1) {
minimizedChatBoxes = new Array();
if ($.cookie('chatbox_minimized')) {
minimizedChatBoxes = $.cookie('chatbox_minimized').split(/\|/);
}
minimize = 0;
for (j=0;j<minimizedChatBoxes.length;j++) {
if (minimizedChatBoxes[j] == chatboxtitle) {
minimize = 1;
}
}
if (minimize == 1) {
$('#chatbox_'+chatboxtitle+' .chatboxcontent').css('display','none');
$('#chatbox_'+chatboxtitle+' .chatboxinput').css('display','none');
}
}
chatboxFocus[chatboxtitle] = false;
$("#chatbox_"+chatboxtitle+" .chatboxtextarea").blur(function(){
chatboxFocus[chatboxtitle] = false;
$("#chatbox_"+chatboxtitle+" .chatboxtextarea").removeClass('chatboxtextareaselected');
}).focus(function(){
chatboxFocus[chatboxtitle] = true;
newMessages[chatboxtitle] = false;
$('#chatbox_'+chatboxtitle+' .chatboxhead').removeClass('chatboxblink');
$("#chatbox_"+chatboxtitle+" .chatboxtextarea").addClass('chatboxtextareaselected');
});
$("#chatbox_"+chatboxtitle).click(function() {
if ($('#chatbox_'+chatboxtitle+' .chatboxcontent').css('display') != 'none') {
$("#chatbox_"+chatboxtitle+" .chatboxtextarea").focus();
}
});
$("#chatbox_"+chatboxtitle).show();
}
function chatHeartbeat(){
var itemsfound = 0;
if (windowFocus == false) {
var blinkNumber = 0;
var titleChanged = 0;
for (x in newMessagesWin) {
if (newMessagesWin[x] == true) {
++blinkNumber;
if (blinkNumber >= blinkOrder) {
document.title = x+' says...';
titleChanged = 1;
break;
}
}
}
if (titleChanged == 0) {
document.title = originalTitle;
blinkOrder = 0;
} else {
++blinkOrder;
}
} else {
for (x in newMessagesWin) {
newMessagesWin[x] = false;
}
}
for (x in newMessages) {
if (newMessages[x] == true) {
if (chatboxFocus[x] == false) {
//FIXME: add toggle all or none policy, otherwise it looks funny
$('#chatbox_'+x+' .chatboxhead').toggleClass('chatboxblink');
}
}
}
$.ajax({
url: "chat.php?action=chatheartbeat",
cache: false,
dataType: "json",
success: function(data) {
$.each(data.items, function(i,item){
if (item) { // fix strange ie bug
chatboxtitle = item.f;
if ($("#chatbox_"+chatboxtitle).length <= 0) {
createChatBox(chatboxtitle);
}
if ($("#chatbox_"+chatboxtitle).css('display') == 'none') {
$("#chatbox_"+chatboxtitle).css('display','block');
restructureChatBoxes();
}
if (item.s == 1) {
item.f = username;
}
if (item.s == 2) {
$("#chatbox_"+chatboxtitle+" .chatboxcontent").append('<div class="chatboxmessage"><span class="chatboxinfo">'+item.m+'</span></div>');
} else {
newMessages[chatboxtitle] = true;
newMessagesWin[chatboxtitle] = true;
$("#chatbox_"+chatboxtitle+" .chatboxcontent").append('<div class="chatboxmessage"><span class="chatboxmessagefrom">'+item.f+':</span><span class="chatboxmessagecontent">'+item.m+'</span></div>');
}
$("#chatbox_"+chatboxtitle+" .chatboxcontent").scrollTop($("#chatbox_"+chatboxtitle+" .chatboxcontent")[0].scrollHeight);
itemsfound += 1;
}
});
chatHeartbeatCount++;
if (itemsfound > 0) {
chatHeartbeatTime = minChatHeartbeat;
chatHeartbeatCount = 1;
} else if (chatHeartbeatCount >= 10) {
chatHeartbeatTime *= 2;
chatHeartbeatCount = 1;
if (chatHeartbeatTime > maxChatHeartbeat) {
chatHeartbeatTime = maxChatHeartbeat;
}
}
setTimeout('chatHeartbeat();',chatHeartbeatTime);
}});
}
function closeChatBox(chatboxtitle) {
$('#chatbox_'+chatboxtitle).css('display','none');
restructureChatBoxes();
$.post("chat.php?action=closechat", { chatbox: chatboxtitle} , function(data){
});
}
function toggleChatBoxGrowth(chatboxtitle) {
if ($('#chatbox_'+chatboxtitle+' .chatboxcontent').css('display') == 'none') {
var minimizedChatBoxes = new Array();
if ($.cookie('chatbox_minimized')) {
minimizedChatBoxes = $.cookie('chatbox_minimized').split(/\|/);
}
var newCookie = '';
for (i=0;i<minimizedChatBoxes.length;i++) {
if (minimizedChatBoxes[i] != chatboxtitle) {
newCookie += chatboxtitle+'|';
}
}
newCookie = newCookie.slice(0, -1)
$.cookie('chatbox_minimized', newCookie);
$('#chatbox_'+chatboxtitle+' .chatboxcontent').css('display','block');
$('#chatbox_'+chatboxtitle+' .chatboxinput').css('display','block');
$("#chatbox_"+chatboxtitle+" .chatboxcontent").scrollTop($("#chatbox_"+chatboxtitle+" .chatboxcontent")[0].scrollHeight);
} else {
var newCookie = chatboxtitle;
if ($.cookie('chatbox_minimized')) {
newCookie += '|'+$.cookie('chatbox_minimized');
}
$.cookie('chatbox_minimized',newCookie);
$('#chatbox_'+chatboxtitle+' .chatboxcontent').css('display','none');
$('#chatbox_'+chatboxtitle+' .chatboxinput').css('display','none');
}
}
function checkChatBoxInputKey(event,chatboxtextarea,chatboxtitle) {
if(event.keyCode == 13 && event.shiftKey == 0) {
message = $(chatboxtextarea).val();
message = message.replace(/^\s+|\s+$/g,"");
$(chatboxtextarea).val('');
$(chatboxtextarea).focus();
$(chatboxtextarea).css('height','44px');
if (message != '') {
$.post("chat.php?action=sendchat", {to: chatboxtitle, message: message} , function(data){
message = message.replace(/</g,"<").replace(/>/g,">").replace(/\"/g,""");
$("#chatbox_"+chatboxtitle+" .chatboxcontent").append('<div class="chatboxmessage"><span class="chatboxmessagefrom">'+username+':</span><span class="chatboxmessagecontent">'+message+'</span></div>');
$("#chatbox_"+chatboxtitle+" .chatboxcontent").scrollTop($("#chatbox_"+chatboxtitle+" .chatboxcontent")[0].scrollHeight);
});
}
chatHeartbeatTime = minChatHeartbeat;
chatHeartbeatCount = 1;
return false;
}
var adjustedHeight = chatboxtextarea.clientHeight;
var maxHeight = 94;
if (maxHeight > adjustedHeight) {
adjustedHeight = Math.max(chatboxtextarea.scrollHeight, adjustedHeight);
if (maxHeight)
adjustedHeight = Math.min(maxHeight, adjustedHeight);
if (adjustedHeight > chatboxtextarea.clientHeight)
$(chatboxtextarea).css('height',adjustedHeight+8 +'px');
} else {
$(chatboxtextarea).css('overflow','auto');
}
}
function startChatSession(){
$.ajax({
url: "chat.php?action=startchatsession",
cache: false,
dataType: "json",
success: function(data) {
username = data.username;
$.each(data.items, function(i,item){
if (item) { // fix strange ie bug
chatboxtitle = item.f;
if ($("#chatbox_"+chatboxtitle).length <= 0) {
createChatBox(chatboxtitle,1);
}
if (item.s == 1) {
item.f = username;
}
if (item.s == 2) {
$("#chatbox_"+chatboxtitle+" .chatboxcontent").append('<div class="chatboxmessage"><span class="chatboxinfo">'+item.m+'</span></div>');
} else {
$("#chatbox_"+chatboxtitle+" .chatboxcontent").append('<div class="chatboxmessage"><span class="chatboxmessagefrom">'+item.f+':</span><span class="chatboxmessagecontent">'+item.m+'</span></div>');
}
}
});
for (i=0;i<chatBoxes.length;i++) {
chatboxtitle = chatBoxes[i];
$("#chatbox_"+chatboxtitle+" .chatboxcontent").scrollTop($("#chatbox_"+chatboxtitle+" .chatboxcontent")[0].scrollHeight);
setTimeout('$("#chatbox_"+chatboxtitle+" .chatboxcontent").scrollTop($("#chatbox_"+chatboxtitle+" .chatboxcontent")[0].scrollHeight);', 100); // yet another strange ie bug
}
setTimeout('chatHeartbeat();',chatHeartbeatTime);
}});
}
/**
* Cookie plugin
*
* Copyright (c) 2006 Klaus Hartl (stilbuero.de)
* Dual licensed under the MIT and GPL licenses:
* http://www.opensource.org/licenses/mit-license.php
* http://www.gnu.org/licenses/gpl.html
*
*/
jQuery.cookie = function(name, value, options) {
if (typeof value != 'undefined') { // name and value given, set cookie
options = options || {};
if (value === null) {
value = '';
options.expires = -1;
}
var expires = '';
if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
var date;
if (typeof options.expires == 'number') {
date = new Date();
date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
} else {
date = options.expires;
}
expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
}
// CAUTION: Needed to parenthesize options.path and options.domain
// in the following expressions, otherwise they evaluate to undefined
// in the packed version for some reason...
var path = options.path ? '; path=' + (options.path) : '';
var domain = options.domain ? '; domain=' + (options.domain) : '';
var secure = options.secure ? '; secure' : '';
document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
} else { // only name given, get cookie
var cookieValue = null;
if (document.cookie && document.cookie != '') {
var cookies = document.cookie.split(';');
for (var i = 0; i < cookies.length; i++) {
var cookie = jQuery.trim(cookies[i]);
// Does this cookie string begin with the name we want?
if (cookie.substring(0, name.length + 1) == (name + '=')) {
cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
break;
}
}
}
return cookieValue;
}
};
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