/**
* AjaxChat Shoutouts Module for Joomla1.5
* @copyright (c) Fiji Web Design, www.fijiwebdesign.com
* @author gabe@fijiwebdesign.com
* @license http://www.fijiwebdesign.com/
*/
// define ajaxchat namespace
if (typeof(ajaxchat) == 'undefined') {
ajaxchat = {};
}
/**
* Shoutouts obj
*/
ajaxchat.shoutouts = {
// global chat html content storage obj
current_chat: false,
// global message count
session_msgs: 0,
// in request?
requestMode: false,
// allow set ping?
_setTimeout: true,
/**
* Load the Shoutouts
*/
init: function() {
ajaxchat.shoutouts.config.serverUrl = ajaxchat.shoutouts.getSameDomain(ajaxchat.shoutouts.config.serverUrl);
ajaxchat.shoutouts.shoutMsgs();
},
/**
* Add a window Onload Event
*/
attachLoadEvent: function(fn) {
var oldonload = window.onload;
window.onload = window.onload != 'function' ? fn : function() {
oldonload();
fn();
};
},
/**
* Debugging
* @param String
*/
debug: function(txt) {
if (ajaxchat.shoutouts.config.verbose == '1') {
if (el = document.getElementById('so_verbose')) {
el.value = txt+"\r\n"+el.value;
// pop the last line off when over [this.maxlen] lines
var arr = el.value.split("\r\n");
if (arr.length > this.maxlen) {
arr.pop();
el.value = arr.concat("\r\n");
}
}
}
},
/**
* Returns the URL with the same domain as document domain (same origin policy)
* @param {String} url URL including http://
* @return {String} URL with domain portion replaced with current domain
*/
getSameDomain: function(url) {
return url.replace(/^http:\/\/[^\/]+/, window.location.href.match(/^http:\/\/[^\/]+/));
},
/**
* Retrieve Shout Messages
*/
shoutMsgs: function() {
ajaxchat.shoutouts.requestMode = true; // in request
try {
ajaxchat.shoutouts.debug('new msgs request: ' + ajaxchat.shoutouts.config.serverUrl + "/index2.php?option=" + encode('com_ajaxchat') + "&no_html=1&task=lastmsgs&roomid=" + encode(ajaxchat.shoutouts.config.roomid) + "&recipient=" + encode(ajaxchat.shoutouts.config.recipient));
return new AJAXRequest("post", ajaxchat.shoutouts.config.serverUrl + "/index2.php", "option=" + encode('com_ajaxchat') + "&no_html=1&task=lastmsgs&roomid=" + encode(ajaxchat.shoutouts.config.roomid) + "&recipient=" + encode(ajaxchat.shoutouts.config.recipient) + "&total=" + encode(ajaxchat.shoutouts.config.total) + "&r=" + encode((new Date()).getTime()), ajaxchat.shoutouts.handleShoutMsgs);
} catch(e) {
alert(e);
}
},
/**
* Write Message to ui
*/
handleShoutMsgs: function(xhr) {
if (xhr.readyState == 4) {
if (xhr.status == 200) {
var xml = xhr.responseXML;
var text = xhr.responseText;
ajaxchat.shoutouts.debug('Response text/xml: ' + text);
// parse the xml
if (xml && xml.documentElement) {
var messages = xml.documentElement.getElementsByTagName("msg");
if (messages && messages.length > 0) {
ajaxchat.shoutouts.addMsgs(messages);
} else {
ajaxchat.shoutouts.debug('no msgs to read');
}
}
} else {
ajaxchat.shoutouts.debug("There was a problem retrieving the XML data:\n" + myAJAX.statusText);
}
ajaxchat.shoutouts.requestMode = false;
if (ajaxchat.shoutouts._setTimeout) {
setTimeout(ajaxchat.shoutouts.shoutMsgs, ajaxchat.shoutouts.config.period * 1000);
} else {
ajaxchat.shoutouts._setTimeout = true;
}
}
},
/**
* Write the Messages
* @param {Array} msgs
*/
addMsgs: function(msgs) {
var shout_msgs = document.getElementById('shout_msgs');
var html = '';
shout_msgs.innerHTML = html;
},
/**
* Get the Shout Message Template
* @param {String} username
* @param {String} msg
* @param {String} time // todo
*/
makeShoutMessage: function(username, msg, time) {
var post = '';
if (ajaxchat.shoutouts.config.msg_template) {
var post = ajaxchat.shoutouts.config.msg_template;
post = post.replace(/{username}/, username);
post = post.replace(/{msg}/, msg);
} else {
post += '';
}
return post;
},
/**
* Get the Shout Profile URL
* @param {Object} username
* @param {Object} userid
* @param {Object} live_site
*/
makeUserProfileUrl: function(username, userid, live_site) {
if (ajaxchat.shoutouts.config.profile_url) {
var profile_url = ajaxchat.shoutouts.config.profile_url;
profile_url = profile_url.replace(/{userid}/, userid);
profile_url = profile_url.replace(/{username}/, username);
profile_url = profile_url.replace(/{live_site}/, live_site);
return ''+username+'';
} else {
return username;
}
},
/**
* Send Message to server
* @param {String} msg
* @param {String} roomid
* @param {String} recipient
*/
shoutPostMsg: function(msg, roomid, recipient) {
if (msg) {
ajaxchat.shoutouts._setTimeout = false; // stop polling for this result
ajaxchat.shoutouts.debug('new msgs request: ' + ajaxchat.shoutouts.config.serverUrl + "/index2.php?option=" + encode('com_ajaxchat') + "&no_html=1&task=rwrite&roomid=" + encode(roomid) + "&recipient=" + encode(recipient) + "&msg=" + encode(msg));
return new AJAXRequest("post", ajaxchat.shoutouts.config.serverUrl + "/index2.php", "option=" + encode('com_ajaxchat') + "&no_html=1&task=rwrite&roomid=" + encode(roomid) + "&recipient=" + encode(recipient) + "&msg=" + encode(msg) + "&r=" + encode(Math.round(999*Math.random())), ajaxchat.shoutouts.shoutMsgs);
}
},
/**
* Toggle Element Display
* @param {Element} el
*/
toggleDisplay: function(el) {
el = $(el);
el.style.display = el.style.display == 'none' ? '' : 'none';
},
/**
* View more messages
*/
viewMore: function() {
if (ajaxchat.shoutouts.config.total >= ajaxchat.shoutouts.config.all) {
alert(ajaxchat.shoutouts.config.max_msgs_reached.replace('%n', ajaxchat.shoutouts.config.all));
} else {
ajaxchat.shoutouts.config.total = ajaxchat.shoutouts.config.total + 10;
ajaxchat.shoutouts.shoutMsgs();
}
},
/**
* Handle key presses in msg box
* @param {Object} e
*/
handleMsgKeyDown: function(e) {
e = e || window.event;
if (!e.shiftKey && e.keyCode == 13) {
ajaxchat.shoutouts.handleShout(e);
}
},
/**
* Handle Shout
*/
handleShout: function(e) {
var input = document.getElementById('shout_msg');
if (input && input.value) {
ajaxchat.shoutouts.shoutPostMsg(input.value, ajaxchat.shoutouts.config.roomid, 'all');
input.value = '';
} else {
alert(ajaxchat.shoutouts.config.empty_msg);
}
}
};