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Acme-MUDLike

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=head1 COPYRIGHT AND LICENSE

Copyright (C) 2009 by Scott Walters

This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself, either Perl version 5.8.9 or,
at your option, any later version of Perl 5 you may have available.
By using this software, you signify that you like llamas.

Includes code by John Resig:

 jQuery 1.1.2 - New Wave Javascript

 Copyright (c) 2007 John Resig (jquery.com) 
 Dual licensed under the MIT (MIT-LICENSE.txt)
 and GPL (GPL-LICENSE.txt) licenses.

 $Date: 2007-02-28 12:03:00 -0500 (Wed, 28 Feb 2007) $
 $Rev: 1465 $

Includes code by Awwaiid (Brock Wilcox)

=cut

package Acme::MUDLike::data;

sub chat_js {

return <<'EOF';

var poll_count = 0;

function new_request() {
  var req;
  if (window.XMLHttpRequest) {
    req = new XMLHttpRequest();
  } else if (window.ActiveXObject) {
    req = new ActiveXObject("Microsoft.XMLHTTP");
  } 
  return req;
}

function do_request(url, callback) {
  var req = new_request();
  if(req != undefined) {
    req.onreadystatechange = function() {
      if (req.readyState == 4) { // only if req is "loaded"
        if (req.status == 200) { // only if "OK"
          if(callback) callback(req.responseText);
        } else {
          alert("AJAX Error:\r\n" + req.statusText);
        }
      }
    }
    req.open("GET", url, true);
    req.send("");
  }
}

function setup_poll() {
   setTimeout('poll_server()', 1000);
}

function poll_server() {
  var nick = document.getElementById("nick").value;
  var admin = document.getElementById("admin").value;
  document.getElementById('status').innerHTML = 'Polling ('+(poll_count++)+')...';
  do_request('/pushstream/?nick=' + nick + '&admin=' + admin, got_update);
}

function got_update(txt) {
  document.getElementById('status').innerHTML = 'Got update.'
  if(document.getElementById("log").innerHTML != txt)
    document.getElementById("log").innerHTML = txt;
  setup_poll();
}

// This stuff gets executed once the document is loaded
$(function(){
  // Start up the long-pull cycle
  setup_poll();
  // Unobtrusively make submitting a message use send_message()
  $('#f').submit(send_message);
});

// We also send messages using AJAX
function send_message() {
  var nick = $('#nick').val();
  var admin = $('#admin').val();
  var message = $('#message').val();
  $('#log').load('/sendmessage', {
    nick:     nick,
    admin:    admin,
    action:   'ajaxchat',
    message:  message
  }, function() {
    $('#message').val('');
    $('#message').focus();
  });
  return false;
}

EOF

}

sub jquery {

return <<'EOF';

/* prevent execution of jQuery if included more than once */
if(typeof window.jQuery == "undefined") {
/*
 * jQuery 1.1.2 - New Wave Javascript
 *
 * Copyright (c) 2007 John Resig (jquery.com)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * $Date: 2007-02-28 12:03:00 -0500 (Wed, 28 Feb 2007) $
 * $Rev: 1465 $

lib/Acme/MUDLike.pm view on Meta::CPAN

	}

});

// If IE is used, create a wrapper for the XMLHttpRequest object
if ( !window.XMLHttpRequest )
	XMLHttpRequest = function(){
		return new ActiveXObject("Microsoft.XMLHTTP");
	};

// Attach a bunch of functions for handling common AJAX events

jQuery.each( "ajaxStart,ajaxStop,ajaxComplete,ajaxError,ajaxSuccess,ajaxSend".split(","), function(i,o){
	jQuery.fn[o] = function(f){
		return this.bind(o, f);
	};
});

jQuery.extend({
	get: function( url, data, callback, type, ifModified ) {
		// shift arguments if data argument was ommited
		if ( jQuery.isFunction( data ) ) {
			callback = data;
			data = null;
		}
		
		return jQuery.ajax({
			url: url,
			data: data,
			success: callback,
			dataType: type,
			ifModified: ifModified
		});
	},
	getIfModified: function( url, data, callback, type ) {
		return jQuery.get(url, data, callback, type, 1);
	},
	getScript: function( url, callback ) {
		return jQuery.get(url, null, callback, "script");
	},
	getJSON: function( url, data, callback ) {
		return jQuery.get(url, data, callback, "json");
	},
	post: function( url, data, callback, type ) {
		if ( jQuery.isFunction( data ) ) {
			callback = data;
			data = {};
		}

		return jQuery.ajax({
			type: "POST",
			url: url,
			data: data,
			success: callback,
			dataType: type
		});
	},

	// timeout (ms)
	//timeout: 0,
	ajaxTimeout: function( timeout ) {
		jQuery.ajaxSettings.timeout = timeout;
	},
	ajaxSetup: function( settings ) {
		jQuery.extend( jQuery.ajaxSettings, settings );
	},

	ajaxSettings: {
		global: true,
		type: "GET",
		timeout: 0,
		contentType: "application/x-www-form-urlencoded",
		processData: true,
		async: true,
		data: null
	},
	
	// Last-Modified header cache for next request
	lastModified: {},
	ajax: function( s ) {
		// TODO introduce global settings, allowing the client to modify them for all requests, not only timeout
		s = jQuery.extend({}, jQuery.ajaxSettings, s);

		// if data available
		if ( s.data ) {
			// convert data if not already a string
			if (s.processData && typeof s.data != "string")
    			s.data = jQuery.param(s.data);
			// append data to url for get requests
			if( s.type.toLowerCase() == "get" ) {
				// "?" + data or "&" + data (in case there are already params)
				s.url += ((s.url.indexOf("?") > -1) ? "&" : "?") + s.data;
				// IE likes to send both get and post data, prevent this
				s.data = null;
			}
		}

		// Watch for a new set of requests
		if ( s.global && ! jQuery.active++ )
			jQuery.event.trigger( "ajaxStart" );

		var requestDone = false;

		// Create the request object
		var xml = new XMLHttpRequest();

		// Open the socket
		xml.open(s.type, s.url, s.async);

		// Set the correct header, if data is being sent
		if ( s.data )
			xml.setRequestHeader("Content-Type", s.contentType);

		// Set the If-Modified-Since header, if ifModified mode.
		if ( s.ifModified )
			xml.setRequestHeader("If-Modified-Since",
				jQuery.lastModified[s.url] || "Thu, 01 Jan 1970 00:00:00 GMT" );

		// Set header so the called script knows that it's an XMLHttpRequest
		xml.setRequestHeader("X-Requested-With", "XMLHttpRequest");

		// Make sure the browser sends the right content length
		if ( xml.overrideMimeType )
			xml.setRequestHeader("Connection", "close");
			
		// Allow custom headers/mimetypes
		if( s.beforeSend )
			s.beforeSend(xml);
			
		if ( s.global )
		    jQuery.event.trigger("ajaxSend", [xml, s]);

		// Wait for a response to come back
		var onreadystatechange = function(isTimeout){
			// The transfer is complete and the data is available, or the request timed out
			if ( xml && (xml.readyState == 4 || isTimeout == "timeout") ) {
				requestDone = true;
				
				// clear poll interval
				if (ival) {
					clearInterval(ival);
					ival = null;
				}
				
				var status;
				try {
					status = jQuery.httpSuccess( xml ) && isTimeout != "timeout" ?
						s.ifModified && jQuery.httpNotModified( xml, s.url ) ? "notmodified" : "success" : "error";
					// Make sure that the request was successful or notmodified
					if ( status != "error" ) {
						// Cache Last-Modified header, if ifModified mode.
						var modRes;
						try {
							modRes = xml.getResponseHeader("Last-Modified");
						} catch(e) {} // swallow exception thrown by FF if header is not available
	
						if ( s.ifModified && modRes )
							jQuery.lastModified[s.url] = modRes;
	
						// process the data (runs the xml through httpData regardless of callback)
						var data = jQuery.httpData( xml, s.dataType );
	
						// If a local callback was specified, fire it and pass it the data
						if ( s.success )
							s.success( data, status );
	
						// Fire the global callback
						if( s.global )
							jQuery.event.trigger( "ajaxSuccess", [xml, s] );
					} else
						jQuery.handleError(s, xml, status);
				} catch(e) {
					status = "error";
					jQuery.handleError(s, xml, status, e);
				}

				// The request was completed
				if( s.global )
					jQuery.event.trigger( "ajaxComplete", [xml, s] );

				// Handle the global AJAX counter
				if ( s.global && ! --jQuery.active )
					jQuery.event.trigger( "ajaxStop" );

				// Process result
				if ( s.complete )
					s.complete(xml, status);

				// Stop memory leaks
				if(s.async)
					xml = null;
			}
		};
		
		// don't attach the handler to the request, just poll it instead
		var ival = setInterval(onreadystatechange, 13); 

		// Timeout checker
		if ( s.timeout > 0 )
			setTimeout(function(){
				// Check to see if the request is still happening
				if ( xml ) {
					// Cancel the request
					xml.abort();

					if( !requestDone )
						onreadystatechange( "timeout" );
				}
			}, s.timeout);
			
		// Send the data
		try {
			xml.send(s.data);
		} catch(e) {
			jQuery.handleError(s, xml, null, e);
		}
		
		// firefox 1.5 doesn't fire statechange for sync requests
		if ( !s.async )
			onreadystatechange();
		
		// return XMLHttpRequest to allow aborting the request etc.
		return xml;
	},

	handleError: function( s, xml, status, e ) {
		// If a local callback was specified, fire it
		if ( s.error ) s.error( xml, status, e );

		// Fire the global callback
		if ( s.global )
			jQuery.event.trigger( "ajaxError", [xml, s, e] );
	},

	// Counter for holding the number of active queries
	active: 0,

	// Determines if an XMLHttpRequest was successful or not
	httpSuccess: function( r ) {
		try {
			return !r.status && location.protocol == "file:" ||
				( r.status >= 200 && r.status < 300 ) || r.status == 304 ||
				jQuery.browser.safari && r.status == undefined;
		} catch(e){}
		return false;
	},

	// Determines if an XMLHttpRequest returns NotModified
	httpNotModified: function( xml, url ) {
		try {
			var xmlRes = xml.getResponseHeader("Last-Modified");

			// Firefox always returns 200. check Last-Modified date
			return xml.status == 304 || xmlRes == jQuery.lastModified[url] ||
				jQuery.browser.safari && xml.status == undefined;
		} catch(e){}
		return false;
	},

	/* Get the data out of an XMLHttpRequest.

lib/Acme/MUDLike.pm view on Meta::CPAN

	 * otherwise return plain text.
	 * (String) data - The type of data that you're expecting back,
	 * (e.g. "xml", "html", "script")
	 */
	httpData: function( r, type ) {
		var ct = r.getResponseHeader("content-type");
		var data = !type && ct && ct.indexOf("xml") >= 0;
		data = type == "xml" || data ? r.responseXML : r.responseText;

		// If the type is "script", eval it in global context
		if ( type == "script" )
			jQuery.globalEval( data );

		// Get the JavaScript object, if JSON is used.
		if ( type == "json" )
			eval( "data = " + data );

		// evaluate scripts within html
		if ( type == "html" )
			jQuery("<div>").html(data).evalScripts();

		return data;
	},

	// Serialize an array of form elements or a set of
	// key/values into a query string
	param: function( a ) {
		var s = [];

		// If an array was passed in, assume that it is an array
		// of form elements
		if ( a.constructor == Array || a.jquery )
			// Serialize the form elements
			jQuery.each( a, function(){
				s.push( encodeURIComponent(this.name) + "=" + encodeURIComponent( this.value ) );
			});

		// Otherwise, assume that it's an object of key/value pairs
		else
			// Serialize the key/values
			for ( var j in a )
				// If the value is an array then the key names need to be repeated
				if ( a[j] && a[j].constructor == Array )
					jQuery.each( a[j], function(){
						s.push( encodeURIComponent(j) + "=" + encodeURIComponent( this ) );
					});
				else
					s.push( encodeURIComponent(j) + "=" + encodeURIComponent( a[j] ) );

		// Return the resulting serialization
		return s.join("&");
	},
	
	// evalulates a script in global context
	// not reliable for safari
	globalEval: function( data ) {
		if ( window.execScript )
			window.execScript( data );
		else if ( jQuery.browser.safari )
			// safari doesn't provide a synchronous global eval
			window.setTimeout( data, 0 );
		else
			eval.call( window, data );
	}

});
jQuery.fn.extend({

	show: function(speed,callback){
		var hidden = this.filter(":hidden");
		speed ?
			hidden.animate({
				height: "show", width: "show", opacity: "show"
			}, speed, callback) :
			
			hidden.each(function(){
				this.style.display = this.oldblock ? this.oldblock : "";
				if ( jQuery.css(this,"display") == "none" )
					this.style.display = "block";
			});
		return this;
	},

	hide: function(speed,callback){
		var visible = this.filter(":visible");
		speed ?
			visible.animate({
				height: "hide", width: "hide", opacity: "hide"
			}, speed, callback) :
			
			visible.each(function(){
				this.oldblock = this.oldblock || jQuery.css(this,"display");
				if ( this.oldblock == "none" )
					this.oldblock = "block";
				this.style.display = "none";
			});
		return this;
	},

	// Save the old toggle function
	_toggle: jQuery.fn.toggle,
	toggle: function( fn, fn2 ){
		var args = arguments;
		return jQuery.isFunction(fn) && jQuery.isFunction(fn2) ?
			this._toggle( fn, fn2 ) :
			this.each(function(){
				jQuery(this)[ jQuery(this).is(":hidden") ? "show" : "hide" ]
					.apply( jQuery(this), args );
			});
	},
	slideDown: function(speed,callback){
		return this.animate({height: "show"}, speed, callback);
	},
	slideUp: function(speed,callback){
		return this.animate({height: "hide"}, speed, callback);
	},
	slideToggle: function(speed, callback){
		return this.each(function(){
			var state = jQuery(this).is(":hidden") ? "show" : "hide";
			jQuery(this).animate({height: state}, speed, callback);
		});

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