diff options
| author | xue <> | 2006-08-30 12:33:43 +0000 | 
|---|---|---|
| committer | xue <> | 2006-08-30 12:33:43 +0000 | 
| commit | 1f560ccd8a9e21871dbedd548fc97f231131c771 (patch) | |
| tree | 90d054108a0bce4668ca16d425655b22c99ed6d3 /framework/Web/Javascripts/js/debug/ajax.js | |
| parent | f4482f9c17825b63242fee42252e097dd85f53c5 (diff) | |
merge from 3.0 branch till 1363.
Diffstat (limited to 'framework/Web/Javascripts/js/debug/ajax.js')
| -rw-r--r-- | framework/Web/Javascripts/js/debug/ajax.js | 3303 | 
1 files changed, 3303 insertions, 0 deletions
diff --git a/framework/Web/Javascripts/js/debug/ajax.js b/framework/Web/Javascripts/js/debug/ajax.js new file mode 100644 index 00000000..9a61cabb --- /dev/null +++ b/framework/Web/Javascripts/js/debug/ajax.js @@ -0,0 +1,3303 @@ +var Ajax = { +  getTransport: function() { +    return Try.these( +      function() {return new XMLHttpRequest()}, +      function() {return new ActiveXObject('Msxml2.XMLHTTP')}, +      function() {return new ActiveXObject('Microsoft.XMLHTTP')} +    ) || false; +  }, +   +  activeRequestCount: 0 +} + +Ajax.Responders = { +  responders: [], +   +  _each: function(iterator) { +    this.responders._each(iterator); +  }, + +  register: function(responderToAdd) { +    if (!this.include(responderToAdd)) +      this.responders.push(responderToAdd); +  }, +   +  unregister: function(responderToRemove) { +    this.responders = this.responders.without(responderToRemove); +  }, +   +  dispatch: function(callback, request, transport, json) { +    this.each(function(responder) { +      if (responder[callback] && typeof responder[callback] == 'function') { +        try { +          responder[callback].apply(responder, [request, transport, json]); +        } catch (e) {} +      } +    }); +  } +}; + +Object.extend(Ajax.Responders, Enumerable); + +Ajax.Responders.register({ +  onCreate: function() { +    Ajax.activeRequestCount++; +  }, +   +  onComplete: function() { +    Ajax.activeRequestCount--; +  } +}); + +Ajax.Base = function() {}; +Ajax.Base.prototype = { +  setOptions: function(options) { +    this.options = { +      method:       'post', +      asynchronous: true, +      contentType:  'application/x-www-form-urlencoded', +      parameters:   '' +    } +    Object.extend(this.options, options || {}); +  }, + +  responseIsSuccess: function() { +    return this.transport.status == undefined +        || this.transport.status == 0  +        || (this.transport.status >= 200 && this.transport.status < 300); +  }, + +  responseIsFailure: function() { +    return !this.responseIsSuccess(); +  } +} + +Ajax.Request = Class.create(); +Ajax.Request.Events =  +  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; + +Ajax.Request.prototype = Object.extend(new Ajax.Base(), { +  initialize: function(url, options) { +    this.transport = Ajax.getTransport(); +    this.setOptions(options); +    this.request(url); +  }, + +  request: function(url) { +    var parameters = this.options.parameters || ''; +    if (parameters.length > 0) parameters += '&_='; + +    try { +      this.url = url; +      if (this.options.method == 'get' && parameters.length > 0) +        this.url += (this.url.match(/\?/) ? '&' : '?') + parameters; +       +      Ajax.Responders.dispatch('onCreate', this, this.transport); +       +      this.transport.open(this.options.method, this.url,  +        this.options.asynchronous); + +      if (this.options.asynchronous) { +        this.transport.onreadystatechange = this.onStateChange.bind(this); +        setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10); +      } + +      this.setRequestHeaders(); + +      var body = this.options.postBody ? this.options.postBody : parameters; +      this.transport.send(this.options.method == 'post' ? body : null); + +    } catch (e) { +      this.dispatchException(e); +    } +  }, + +  setRequestHeaders: function() { +    var requestHeaders =  +      ['X-Requested-With', 'XMLHttpRequest', +       'X-Prototype-Version', Prototype.Version, +       'Accept', 'text/javascript, text/html, application/xml, text/xml, */*']; + +    if (this.options.method == 'post') { +      requestHeaders.push('Content-type', this.options.contentType); + +      /* Force "Connection: close" for Mozilla browsers to work around +       * a bug where XMLHttpReqeuest sends an incorrect Content-length +       * header. See Mozilla Bugzilla #246651.  +       */ +      if (this.transport.overrideMimeType) +        requestHeaders.push('Connection', 'close'); +    } + +    if (this.options.requestHeaders) +      requestHeaders.push.apply(requestHeaders, this.options.requestHeaders); + +    for (var i = 0; i < requestHeaders.length; i += 2) +      this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]); +  }, + +  onStateChange: function() { +    var readyState = this.transport.readyState; +    if (readyState != 1) +      this.respondToReadyState(this.transport.readyState); +  }, +   +  header: function(name) { +    try { +      return this.transport.getResponseHeader(name); +    } catch (e) {} +  }, +   +  evalJSON: function() { +    try { +      return eval('(' + this.header('X-JSON') + ')'); +    } catch (e) {} +  }, +   +  evalResponse: function() { +    try { +      return eval(this.transport.responseText); +    } catch (e) { +      this.dispatchException(e); +    } +  }, + +  respondToReadyState: function(readyState) { +    var event = Ajax.Request.Events[readyState]; +    var transport = this.transport, json = this.evalJSON(); + +    if (event == 'Complete') { +      try { +        (this.options['on' + this.transport.status] +         || this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')] +         || Prototype.emptyFunction)(transport, json); +      } catch (e) { +        this.dispatchException(e); +      } +       +      if ((this.header('Content-type') || '').match(/^text\/javascript/i)) +        this.evalResponse(); +    } +     +    try { +      (this.options['on' + event] || Prototype.emptyFunction)(transport, json); +      Ajax.Responders.dispatch('on' + event, this, transport, json); +    } catch (e) { +      this.dispatchException(e); +    } +     +    /* Avoid memory leak in MSIE: clean up the oncomplete event handler */ +    if (event == 'Complete') +      this.transport.onreadystatechange = Prototype.emptyFunction; +  }, +   +  dispatchException: function(exception) { +    (this.options.onException || Prototype.emptyFunction)(this, exception); +    Ajax.Responders.dispatch('onException', this, exception); +  } +}); + +Ajax.Updater = Class.create(); + +Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), { +  initialize: function(container, url, options) { +    this.containers = { +      success: container.success ? $(container.success) : $(container), +      failure: container.failure ? $(container.failure) : +        (container.success ? null : $(container)) +    } + +    this.transport = Ajax.getTransport(); +    this.setOptions(options); + +    var onComplete = this.options.onComplete || Prototype.emptyFunction; +    this.options.onComplete = (function(transport, object) { +      this.updateContent(); +      onComplete(transport, object); +    }).bind(this); + +    this.request(url); +  }, + +  updateContent: function() { +    var receiver = this.responseIsSuccess() ? +      this.containers.success : this.containers.failure; +    var response = this.transport.responseText; +     +    if (!this.options.evalScripts) +      response = response.stripScripts(); + +    if (receiver) { +      if (this.options.insertion) { +        new this.options.insertion(receiver, response); +      } else { +        Element.update(receiver, response); +      } +    } + +    if (this.responseIsSuccess()) { +      if (this.onComplete) +        setTimeout(this.onComplete.bind(this), 10); +    } +  } +}); + +Ajax.PeriodicalUpdater = Class.create(); +Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), { +  initialize: function(container, url, options) { +    this.setOptions(options); +    this.onComplete = this.options.onComplete; + +    this.frequency = (this.options.frequency || 2); +    this.decay = (this.options.decay || 1); +     +    this.updater = {}; +    this.container = container; +    this.url = url; + +    this.start(); +  }, + +  start: function() { +    this.options.onComplete = this.updateComplete.bind(this); +    this.onTimerEvent(); +  }, + +  stop: function() { +    this.updater.onComplete = undefined; +    clearTimeout(this.timer); +    (this.onComplete || Prototype.emptyFunction).apply(this, arguments); +  }, + +  updateComplete: function(request) { +    if (this.options.decay) { +      this.decay = (request.responseText == this.lastText ?  +        this.decay * this.options.decay : 1); + +      this.lastText = request.responseText; +    } +    this.timer = setTimeout(this.onTimerEvent.bind(this),  +      this.decay * this.frequency * 1000); +  }, + +  onTimerEvent: function() { +    this.updater = new Ajax.Updater(this.container, this.url, this.options); +  } +}); + + +/**
 + * Prado AJAX service. The default service provider is JPSpan.
 + */
 +Prado.AJAX = { Service : 'Prototype' };
 +
 +/**
 + * Parse and execute javascript embedded in html.
 + */
 +Prado.AJAX.EvalScript = function(output)
 +{
 +
 +	var match = new RegExp(Ajax.Updater.ScriptFragment, 'img');
 +	var scripts  = output.match(match);
 +	if (scripts)
 +	{
 +		match = new RegExp(Ajax.Updater.ScriptFragment, 'im');
 +		setTimeout((function()
 +		{
 +			for (var i = 0; i < scripts.length; i++)
 +				eval(scripts[i].match(match)[1]);
 +		}).bind(this), 50);
 +	}
 +}
 +
 +
 +/**
 + * AJAX service request using Prototype's AJAX request class.
 + */
 +Prado.AJAX.Request = Class.create();
 +Prado.AJAX.Request.prototype = Object.extend(Ajax.Request.prototype,
 +{
 +	/**
 +	 * Evaluate the respond JSON data, override parent implementing.
 +	 * If default eval fails, try parsing the JSON data (slower).
 +	 */
 +	evalJSON: function()
 +	{
 +		try
 +		{
 +			var json = this.transport.getResponseHeader('X-JSON'), object;
 +			object = eval(json);
 +			return object;
 +		}
 +		catch (e)
 +		{
 +			if(isString(json))
 +			{
 +				return Prado.AJAX.JSON.parse(json);
 +			}
 +		}
 +	},
 +
 +	respondToReadyState: function(readyState) {
 +    var event = Ajax.Request.Events[readyState];
 +    var transport = this.transport, json = this.evalJSON();
 +
 +
 +	if(event == 'Complete' && transport.status)
 +    	Ajax.Responders.dispatch('on' + transport.status, this, transport, json);
 +
 +   (this.options['on' + event] || Prototype.emptyFunction)(transport, json);
 +    Ajax.Responders.dispatch('on' + event, this, transport, json);
 +
 +	if (event == 'Complete')
 +      (this.options['on' + this.transport.status]
 +       || this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')]
 +       || Prototype.emptyFunction)(transport, json);
 +
 +
 +    /* Avoid memory leak in MSIE: clean up the oncomplete event handler */
 +    if (event == 'Complete')
 +      this.transport.onreadystatechange = Prototype.emptyFunction;
 +  }
 +
 +});
 +
 +Prado.AJAX.Error = function(e, code)
 +{
 +    e.name = 'Prado.AJAX.Error';
 +    e.code = code;
 +    return e;
 +}
 +
 +/**
 + * Post data builder, serialize the data using JSON.
 + */
 +Prado.AJAX.RequestBuilder = Class.create();
 +Prado.AJAX.RequestBuilder.prototype =
 +{
 +	initialize : function()
 +	{
 +		this.body = '';
 +		this.data = [];
 +	},
 +	encode : function(data)
 +	{
 +		return Prado.AJAX.JSON.stringify(data);
 +	},
 +	build : function(data)
 +	{
 +		var sep = '';
 +        for ( var argName in data)
 +		{
 +			if(isFunction(data[argName])) continue;
 +            try
 +			{
 +                this.body += sep + argName + '=';
 +                this.body += encodeURIComponent(this.encode(data[argName]));
 +            } catch (e) {
 +                throw Prado.AJAX.Error(e, 1006);
 +            }
 +            sep = '&';
 +        }
 +    },
 +
 +	getAll : function()
 +	{
 +		this.build(this.data);
 +		return this.body;
 +	}
 +}
 +
 +
 +Prado.AJAX.RemoteObject = function(){};
 +
 +/**
 + * AJAX service request for Prado RemoteObjects
 + */
 +Prado.AJAX.RemoteObject.Request = Class.create();
 +Prado.AJAX.RemoteObject.Request.prototype = Object.extend(Prado.AJAX.Request.prototype,
 +{
 +	/**
 +	 * Initialize the RemoteObject Request, overrides parent
 +	 * implementation by delaying the request to invokeRemoteObject.
 +	 */
 +	initialize : function(options)
 +	{
 +	    this.transport = Ajax.getTransport();
 +		this.setOptions(options);
 +		this.post = new Prado.AJAX.RequestBuilder();
 +	},
 +
 +	/**
 +	 * Call the remote object,
 +	 * @param string the remote server url
 +	 * @param array additional arguments
 +	 */
 +	invokeRemoteObject : function(url, args)
 +	{
 +		this.initParameters(args);
 +		this.options.postBody = this.post.getAll();
 +		this.request(url);
 +	},
 +
 +	/**
 +	 * Set the additional arguments as post data with key '__parameters'
 +	 */
 +	initParameters : function(args)
 +	{
 +		this.post.data['__parameters'] = [];
 +		for(var i = 0; i<args.length; i++)
 +			this.post.data['__parameters'][i] = args[i];
 +	}
 +});
 +
 +/**
 + * Base proxy class for Prado RemoteObjects via AJAX.
 + * e.g.
 + * <code>
 + *	var TestObject1 = Class.create();
 + *	TestObject1.prototype = Object.extend(new Prado.AJAX.RemoteObject(),
 + *	{
 + * 		initialize : function(handlers, options)
 + *      {
 + *           this.__serverurl = 'http://127.0.0.1/.....';
 + *           this.baseInitialize(handlers, options);
 + *	    }
 + *
 + *		method1 : function()
 + *		{
 + *			return this.__call(this.__serverurl, 'method1', arguments);
 + *		}
 + *	});
 + *</code>
 + * And client usage,
 + * <code>
 + *	var test1 = new TestObject1(); //create new remote object
 + *	test1.method1(); //call the method, no onComplete hook
 + *
 + *  var onComplete = { method1 : function(result){ alert(result) } };
 + *  //create new remote object with onComplete callback
 + *  var test2 = new TestObject1(onComplete);
 + *  test2.method1(); //call it, on success, onComplete's method1 is called.
 + * </code>
 + */
 +Prado.AJAX.RemoteObject.prototype =
 +{
 +	baseInitialize : function(handlers, options)
 +	{
 +		this.__handlers = handlers || {};
 +		this.__service = new Prado.AJAX.RemoteObject.Request(options);
 +	},
 +
 +	__call : function(url, method, args)
 +	{
 +		this.__service.options.onSuccess = this.__onSuccess.bind(this);
 +		this.__callback = method;
 +		return this.__service.invokeRemoteObject(url+"/"+method, args);
 +	},
 +
 +	__onSuccess : function(transport, json)
 +	{
 +		if(this.__handlers[this.__callback])
 +			this.__handlers[this.__callback](json, transport.responseText);
 +	}
 +};
 +
 +/**
 + * Respond to Prado AJAX request exceptions.
 + */
 +Prado.AJAX.Exception =
 +{
 +	/**
 +	 * Server returns 505 exception. Just log it.
 +	 */
 +	"on505" : function(request, transport, e)
 +	{
 +		var msg = 'HTTP '+transport.status+" with response";
 +		Logger.error(msg, transport.responseText);
 +		Logger.exception(e);
 +	},
 +
 +	onComplete : function(request, transport, e)
 +	{
 +		if(transport.status != 505)
 +		{
 +			var msg = 'HTTP '+transport.status+" with response : \n";
 +			msg += transport.responseText + "\n";
 +			msg += "Data : \n"+inspect(e);
 +			Logger.warn(msg);
 +		}
 +	},
 +
 +	format : function(e)
 +	{
 +		var msg = e.type + " with message \""+e.message+"\"";
 +		msg += " in "+e.file+"("+e.line+")\n";
 +		msg += "Stack trace:\n";
 +		var trace = e.trace;
 +		for(var i = 0; i<trace.length; i++)
 +		{
 +			msg += "  #"+i+" "+trace[i].file;
 +			msg += "("+trace[i].line+"): ";
 +			msg += trace[i]["class"]+"->"+trace[i]["function"]+"()"+"\n";
 +		}
 +		return msg;
 +	},
 +
 +	logException : function(e)
 +	{
 +		var msg = Prado.AJAX.Exception.format(e);
 +		Logger.error("Server Error "+e.code, msg);
 +	}
 +}
 +
 +//Add HTTP exception respones when logger is enabled.
 +Event.OnLoad(function()
 +{
 +	if(typeof Logger != "undefined")
 +	{
 +		Logger.exception = Prado.AJAX.Exception.logException;
 +		Ajax.Responders.register(Prado.AJAX.Exception);
 +	}
 +});
 +
 +/**
 + * Prado Callback service that provides component intergration,
 + * viewstate (read only), and automatic form data serialization.
 + * Usage: <code>new Prado.AJAX.Callback('MyPage.MyComponentID.raiseCallbackEvent', options)</code>
 + * These classes should be called by the components developers.
 + * For inline callback service, use <t>Prado.Callback(callbackID, params)</t>.
 + */
 +Prado.AJAX.Callback = Class.create();
 +Prado.AJAX.Callback.prototype = Object.extend(new Prado.AJAX.RemoteObject(),
 +{
 +
 +	/**
 +	 * Create and request a new Prado callback service.
 +	 * @param string|element the callback ID, must be of the form, <t>ClassName.ComponentID.MethodName</t>
 +	 * @param list options with list key onCallbackReturn, and more.
 +	 *
 +	 */
 +	initialize : function(ID, options)
 +	{
 +		if(!isString(ID) && typeof(ID.id) != "undefined")
 +			ID = ID.id;
 +		if(!isString(ID))
 +			throw new Error('A Control ID must be specified');
 +		this.baseInitialize(this, options);
 +		this.options = options || [];
 +		this.__service.post.data['__ID'] = ID;
 +		this.requestCallback();
 +	},
 +
 +	/**
 +	 * Get form data for components that implements IPostBackHandler.
 +	 */
 +	collectPostData : function()
 +	{
 +		var IDs = Prado.AJAX.Callback.IDs;
 +		this.__service.post.data['__data'] = {};
 +		for(var i = 0; i<IDs.length; i++)
 +		{
 +			var id = IDs[i];
 +			if(id.indexOf("[]") > -1)
 +				this.__service.post.data['__data'][id] =
 +					this.collectArrayPostData(id);
 +			else if(isObject($(id)))
 +				this.__service.post.data['__data'][id] = $F(id);
 +		}
 +	},
 +
 +	collectArrayPostData : function(name)
 +	{
 +		var elements = document.getElementsByName(name);
 +		var data = [];
 +		$A(elements).each(function(el)
 +		{
 +			if($F(el)) data.push($F(el));
 +		});
 +		return data;
 +	},
 +
 +	/**
 +	 * Prepares and calls the AJAX request.
 +	 * Collects the data from components that implements IPostBackHandler
 +	 * and the viewstate as part of the request payload.
 +	 */
 +	requestCallback : function()
 +	{
 +		this.collectPostData();
 +		if(Prado.AJAX.Validate(this.options))
 +			return this.__call(Prado.AJAX.Callback.Server, 'handleCallback', this.options.params);
 +	},
 +
 +	/**
 +	 * On callback request return, call the onSuccess function.
 +	 */
 +	handleCallback : function(result, output)
 +	{
 +		if(typeof(result) != "undefined" && !isNull(result))
 +		{
 +			this.options.onSuccess(result['data'], output);
 +			if(result['actions'])
 +				result.actions.each(Prado.AJAX.Callback.Action.__run);
 +		}
 +	}
 +});
 +
 +/**
 + * Prase and evaluate Callback clien-side actions.
 + */
 +Prado.AJAX.Callback.Action =
 +{
 +	__run : function(command)
 +	{
 +		for(var name in command)
 +		{
 +			//first parameter must be a valid element or begins with '@'
 +			if(command[name][0] && ($(command[name][0]) || command[name][0].indexOf("[]") > -1))
 +			{
 +				name.toFunction().apply(this,command[name]);
 +			}
 +		}
 +	}
 +};
 +
 +
 +/**
 + * Returns false if validation required and validates to false,
 + * returns true otherwise.
 + * @return boolean true if validation passes.
 + */
 +Prado.AJAX.Validate = function(options)
 +{
 +	if(options.CausesValidation)
 +	{
 +		if(options.ValidatorGroup)
 +			return Prado.Validation.ValidateValidatorGroup(options.ValidatorGroup);
 +		else if(options.ValidationGroup)
 +			return Prado.Validation.ValidateValidationGroup(options.ValidationGroup);
 +		else
 +			return Prado.Validation.ValidateNonGroup(options.ValidationForm);
 +	}
 +	else
 +		return true;
 +};
 +
 +
 +//Available callback service
 +Prado.AJAX.Callback.Server = '';
 +
 +//List of IDs that implements IPostBackHandler
 +Prado.AJAX.Callback.IDs = [];
 +
 +/**
 + * Simple AJAX callback interface, suitable for inline javascript.
 + * e.g., <code><a href="..." onclick="Prado.Callback('..', 'Hello');">Click me</a></code>
 + * @param {String} callback ID
 + * @param {Array} parameters to pass to the callback service
 + * @param {Function} on callback success handler method
 + * @param {Object} additional callback options
 + */
 +Prado.Callback = function(ID, params, onSuccess, options)
 +{
 +	var callback =
 +	{
 +		'params' : [params] || [],
 +		'onSuccess' : onSuccess || Prototype.emptyFunction,
 +		'CausesValidation' : true
 +	};
 +
 +	Object.extend(callback, options || {});
 +
 +	new Prado.AJAX.Callback(ID, callback);
 +	return false;
 +} + +/*
 +Copyright (c) 2005 JSON.org
 +
 +Permission is hereby granted, free of charge, to any person obtaining a copy
 +of this software and associated documentation files (the "Software"), to deal
 +in the Software without restriction, including without limitation the rights
 +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 +copies of the Software, and to permit persons to whom the Software is
 +furnished to do so, subject to the following conditions:
 +
 +The Software shall be used for Good, not Evil.
 +
 +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 +SOFTWARE.
 +*/
 +
 +Array.prototype.______array = '______array';
 +
 +Prado.AJAX.JSON = {
 +    org: 'http://www.JSON.org',
 +    copyright: '(c)2005 JSON.org',
 +    license: 'http://www.crockford.com/JSON/license.html',
 +
 +    stringify: function (arg) {
 +        var c, i, l, s = '', v;
 +
 +        switch (typeof arg) {
 +        case 'object':
 +            if (arg) {
 +                if (arg.______array == '______array') {
 +                    for (i = 0; i < arg.length; ++i) {
 +                        v = this.stringify(arg[i]);
 +                        if (s) {
 +                            s += ',';
 +                        }
 +                        s += v;
 +                    }
 +                    return '[' + s + ']';
 +                } else if (typeof arg.toString != 'undefined') {
 +                    for (i in arg) {
 +                        v = arg[i];
 +                        if (typeof v != 'undefined' && typeof v != 'function') {
 +                            v = this.stringify(v);
 +                            if (s) {
 +                                s += ',';
 +                            }
 +                            s += this.stringify(i) + ':' + v;
 +                        }
 +                    }
 +                    return '{' + s + '}';
 +                }
 +            }
 +            return 'null';
 +        case 'number':
 +            return isFinite(arg) ? String(arg) : 'null';
 +        case 'string':
 +            l = arg.length;
 +            s = '"';
 +            for (i = 0; i < l; i += 1) {
 +                c = arg.charAt(i);
 +                if (c >= ' ') {
 +                    if (c == '\\' || c == '"') {
 +                        s += '\\';
 +                    }
 +                    s += c;
 +                } else {
 +                    switch (c) {
 +                        case '\b':
 +                            s += '\\b';
 +                            break;
 +                        case '\f':
 +                            s += '\\f';
 +                            break;
 +                        case '\n':
 +                            s += '\\n';
 +                            break;
 +                        case '\r':
 +                            s += '\\r';
 +                            break;
 +                        case '\t':
 +                            s += '\\t';
 +                            break;
 +                        default:
 +                            c = c.charCodeAt();
 +                            s += '\\u00' + Math.floor(c / 16).toString(16) +
 +                                (c % 16).toString(16);
 +                    }
 +                }
 +            }
 +            return s + '"';
 +        case 'boolean':
 +            return String(arg);
 +        default:
 +            return 'null';
 +        }
 +    },
 +    parse: function (text) {
 +        var at = 0;
 +        var ch = ' ';
 +
 +        function error(m) {
 +            throw {
 +                name: 'JSONError',
 +                message: m,
 +                at: at - 1,
 +                text: text
 +            };
 +        }
 +
 +        function next() {
 +            ch = text.charAt(at);
 +            at += 1;
 +            return ch;
 +        }
 +
 +        function white() {
 +            while (ch) {
 +                if (ch <= ' ') {
 +                    next();
 +                } else if (ch == '/') {
 +                    switch (next()) {
 +                        case '/':
 +                            while (next() && ch != '\n' && ch != '\r') {}
 +                            break;
 +                        case '*':
 +                            next();
 +                            for (;;) {
 +                                if (ch) {
 +                                    if (ch == '*') {
 +                                        if (next() == '/') {
 +                                            next();
 +                                            break;
 +                                        }
 +                                    } else {
 +                                        next();
 +                                    }
 +                                } else {
 +                                    error("Unterminated comment");
 +                                }
 +                            }
 +                            break;
 +                        default:
 +                            error("Syntax error");
 +                    }
 +                } else {
 +                    break;
 +                }
 +            }
 +        }
 +
 +        function string() {
 +            var i, s = '', t, u;
 +
 +            if (ch == '"') {
 +outer:          while (next()) {
 +                    if (ch == '"') {
 +                        next();
 +                        return s;
 +                    } else if (ch == '\\') {
 +                        switch (next()) {
 +                        case 'b':
 +                            s += '\b';
 +                            break;
 +                        case 'f':
 +                            s += '\f';
 +                            break;
 +                        case 'n':
 +                            s += '\n';
 +                            break;
 +                        case 'r':
 +                            s += '\r';
 +                            break;
 +                        case 't':
 +                            s += '\t';
 +                            break;
 +                        case 'u':
 +                            u = 0;
 +                            for (i = 0; i < 4; i += 1) {
 +                                t = parseInt(next(), 16);
 +                                if (!isFinite(t)) {
 +                                    break outer;
 +                                }
 +                                u = u * 16 + t;
 +                            }
 +                            s += String.fromCharCode(u);
 +                            break;
 +                        default:
 +                            s += ch;
 +                        }
 +                    } else {
 +                        s += ch;
 +                    }
 +                }
 +            }
 +            error("Bad string");
 +        }
 +
 +        function array() {
 +            var a = [];
 +
 +            if (ch == '[') {
 +                next();
 +                white();
 +                if (ch == ']') {
 +                    next();
 +                    return a;
 +                }
 +                while (ch) {
 +                    a.push(value());
 +                    white();
 +                    if (ch == ']') {
 +                        next();
 +                        return a;
 +                    } else if (ch != ',') {
 +                        break;
 +                    }
 +                    next();
 +                    white();
 +                }
 +            }
 +            error("Bad array");
 +        }
 +
 +        function object() {
 +            var k, o = {};
 +
 +            if (ch == '{') {
 +                next();
 +                white();
 +                if (ch == '}') {
 +                    next();
 +                    return o;
 +                }
 +                while (ch) {
 +                    k = string();
 +                    white();
 +                    if (ch != ':') {
 +                        break;
 +                    }
 +                    next();
 +                    o[k] = value();
 +                    white();
 +                    if (ch == '}') {
 +                        next();
 +                        return o;
 +                    } else if (ch != ',') {
 +                        break;
 +                    }
 +                    next();
 +                    white();
 +                }
 +            }
 +            error("Bad object");
 +        }
 +
 +        function number() {
 +            var n = '', v;
 +            if (ch == '-') {
 +                n = '-';
 +                next();
 +            }
 +            while (ch >= '0' && ch <= '9') {
 +                n += ch;
 +                next();
 +            }
 +            if (ch == '.') {
 +                n += '.';
 +                while (next() && ch >= '0' && ch <= '9') {
 +                    n += ch;
 +                }
 +            }
 +            if (ch == 'e' || ch == 'E') {
 +                n += 'e';
 +                next();
 +                if (ch == '-' || ch == '+') {
 +                    n += ch;
 +                    next();
 +                }
 +                while (ch >= '0' && ch <= '9') {
 +                    n += ch;
 +                    next();
 +                }
 +            }
 +            v = +n;
 +            if (!isFinite(v)) {
 +                ////error("Bad number");
 +            } else {
 +                return v;
 +            }
 +        }
 +
 +        function word() {
 +            switch (ch) {
 +                case 't':
 +                    if (next() == 'r' && next() == 'u' && next() == 'e') {
 +                        next();
 +                        return true;
 +                    }
 +                    break;
 +                case 'f':
 +                    if (next() == 'a' && next() == 'l' && next() == 's' &&
 +                            next() == 'e') {
 +                        next();
 +                        return false;
 +                    }
 +                    break;
 +                case 'n':
 +                    if (next() == 'u' && next() == 'l' && next() == 'l') {
 +                        next();
 +                        return null;
 +                    }
 +                    break;
 +            }
 +            error("Syntax error");
 +        }
 +
 +        function value() {
 +            white();
 +            switch (ch) {
 +                case '{':
 +                    return object();
 +                case '[':
 +                    return array();
 +                case '"':
 +                    return string();
 +                case '-':
 +                    return number();
 +                default:
 +                    return ch >= '0' && ch <= '9' ? number() : word();
 +            }
 +        }
 +
 +        return value();
 +    }
 +}; + +// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us) +//           (c) 2005 Ivan Krstic (http://blogs.law.harvard.edu/ivan) +//           (c) 2005 Jon Tirsen (http://www.tirsen.com) +// Contributors: +//  Richard Livsey +//  Rahul Bhargava +//  Rob Wills +//  +// See scriptaculous.js for full license. + +// Autocompleter.Base handles all the autocompletion functionality  +// that's independent of the data source for autocompletion. This +// includes drawing the autocompletion menu, observing keyboard +// and mouse events, and similar. +// +// Specific autocompleters need to provide, at the very least,  +// a getUpdatedChoices function that will be invoked every time +// the text inside the monitored textbox changes. This method  +// should get the text for which to provide autocompletion by +// invoking this.getToken(), NOT by directly accessing +// this.element.value. This is to allow incremental tokenized +// autocompletion. Specific auto-completion logic (AJAX, etc) +// belongs in getUpdatedChoices. +// +// Tokenized incremental autocompletion is enabled automatically +// when an autocompleter is instantiated with the 'tokens' option +// in the options parameter, e.g.: +// new Ajax.Autocompleter('id','upd', '/url/', { tokens: ',' }); +// will incrementally autocomplete with a comma as the token. +// Additionally, ',' in the above example can be replaced with +// a token array, e.g. { tokens: [',', '\n'] } which +// enables autocompletion on multiple tokens. This is most  +// useful when one of the tokens is \n (a newline), as it  +// allows smart autocompletion after linebreaks. + +if(typeof Effect == 'undefined') +  throw("controls.js requires including script.aculo.us' effects.js library"); + +var Autocompleter = {} +Autocompleter.Base = function() {}; +Autocompleter.Base.prototype = { +  baseInitialize: function(element, update, options) { +    this.element     = $(element);  +    this.update      = $(update);   +    this.hasFocus    = false;  +    this.changed     = false;  +    this.active      = false;  +    this.index       = 0;      +    this.entryCount  = 0; + +    if (this.setOptions) +      this.setOptions(options); +    else +      this.options = options || {}; + +    this.options.paramName    = this.options.paramName || this.element.name; +    this.options.tokens       = this.options.tokens || []; +    this.options.frequency    = this.options.frequency || 0.4; +    this.options.minChars     = this.options.minChars || 1; +    this.options.onShow       = this.options.onShow ||  +    function(element, update){  +      if(!update.style.position || update.style.position=='absolute') { +        update.style.position = 'absolute'; +        Position.clone(element, update, {setHeight: false, offsetTop: element.offsetHeight}); +      } +      Effect.Appear(update,{duration:0.15}); +    }; +    this.options.onHide = this.options.onHide ||  +    function(element, update){ new Effect.Fade(update,{duration:0.15}) }; + +    if (typeof(this.options.tokens) == 'string')  +      this.options.tokens = new Array(this.options.tokens); + +    this.observer = null; +     +    this.element.setAttribute('autocomplete','off'); + +    Element.hide(this.update); + +    Event.observe(this.element, "blur", this.onBlur.bindAsEventListener(this)); +    Event.observe(this.element, "keypress", this.onKeyPress.bindAsEventListener(this)); +  }, + +  show: function() { +    if(Element.getStyle(this.update, 'display')=='none') this.options.onShow(this.element, this.update); +    if(!this.iefix &&  +      (navigator.appVersion.indexOf('MSIE')>0) && +      (navigator.userAgent.indexOf('Opera')<0) && +      (Element.getStyle(this.update, 'position')=='absolute')) { +      new Insertion.After(this.update,  +       '<iframe id="' + this.update.id + '_iefix" '+ +       'style="display:none;position:absolute;filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0);" ' + +       'src="javascript:false;" frameborder="0" scrolling="no"></iframe>'); +      this.iefix = $(this.update.id+'_iefix'); +    } +    if(this.iefix) setTimeout(this.fixIEOverlapping.bind(this), 50); +  }, +   +  fixIEOverlapping: function() { +    Position.clone(this.update, this.iefix, {setTop:(!this.update.style.height)}); +    this.iefix.style.zIndex = 1; +    this.update.style.zIndex = 2; +    Element.show(this.iefix); +  }, + +  hide: function() { +    this.stopIndicator(); +    if(Element.getStyle(this.update, 'display')!='none') this.options.onHide(this.element, this.update); +    if(this.iefix) Element.hide(this.iefix); +  }, + +  startIndicator: function() { +    if(this.options.indicator) Element.show(this.options.indicator); +  }, + +  stopIndicator: function() { +    if(this.options.indicator) Element.hide(this.options.indicator); +  }, + +  onKeyPress: function(event) { +    if(this.active) +      switch(event.keyCode) { +       case Event.KEY_TAB: +       case Event.KEY_RETURN: +         this.selectEntry(); +         Event.stop(event); +       case Event.KEY_ESC: +         this.hide(); +         this.active = false; +         Event.stop(event); +         return; +       case Event.KEY_LEFT: +       case Event.KEY_RIGHT: +         return; +       case Event.KEY_UP: +         this.markPrevious(); +         this.render(); +         if(navigator.appVersion.indexOf('AppleWebKit')>0) Event.stop(event); +         return; +       case Event.KEY_DOWN: +         this.markNext(); +         this.render(); +         if(navigator.appVersion.indexOf('AppleWebKit')>0) Event.stop(event); +         return; +      } +     else  +       if(event.keyCode==Event.KEY_TAB || event.keyCode==Event.KEY_RETURN ||  +         (navigator.appVersion.indexOf('AppleWebKit') > 0 && event.keyCode == 0)) return; + +    this.changed = true; +    this.hasFocus = true; + +    if(this.observer) clearTimeout(this.observer); +      this.observer =  +        setTimeout(this.onObserverEvent.bind(this), this.options.frequency*1000); +  }, + +  activate: function() { +    this.changed = false; +    this.hasFocus = true; +    this.getUpdatedChoices(); +  }, + +  onHover: function(event) { +    var element = Event.findElement(event, 'LI'); +    if(this.index != element.autocompleteIndex)  +    { +        this.index = element.autocompleteIndex; +        this.render(); +    } +    Event.stop(event); +  }, +   +  onClick: function(event) { +    var element = Event.findElement(event, 'LI'); +    this.index = element.autocompleteIndex; +    this.selectEntry(); +    this.hide(); +  }, +   +  onBlur: function(event) { +    // needed to make click events working +    setTimeout(this.hide.bind(this), 250); +    this.hasFocus = false; +    this.active = false;      +  },  +   +  render: function() { +    if(this.entryCount > 0) { +      for (var i = 0; i < this.entryCount; i++) +        this.index==i ?  +          Element.addClassName(this.getEntry(i),"selected") :  +          Element.removeClassName(this.getEntry(i),"selected"); +         +      if(this.hasFocus) {  +        this.show(); +        this.active = true; +      } +    } else { +      this.active = false; +      this.hide(); +    } +  }, +   +  markPrevious: function() { +    if(this.index > 0) this.index-- +      else this.index = this.entryCount-1; +    this.getEntry(this.index).scrollIntoView(true); +  }, +   +  markNext: function() { +    if(this.index < this.entryCount-1) this.index++ +      else this.index = 0; +    this.getEntry(this.index).scrollIntoView(false); +  }, +   +  getEntry: function(index) { +    return this.update.firstChild.childNodes[index]; +  }, +   +  getCurrentEntry: function() { +    return this.getEntry(this.index); +  }, +   +  selectEntry: function() { +    this.active = false; +    this.updateElement(this.getCurrentEntry()); +  }, + +  updateElement: function(selectedElement) { +    if (this.options.updateElement) { +      this.options.updateElement(selectedElement); +      return; +    } +    var value = ''; +    if (this.options.select) { +      var nodes = document.getElementsByClassName(this.options.select, selectedElement) || []; +      if(nodes.length>0) value = Element.collectTextNodes(nodes[0], this.options.select); +    } else +      value = Element.collectTextNodesIgnoreClass(selectedElement, 'informal'); +     +    var lastTokenPos = this.findLastToken(); +    if (lastTokenPos != -1) { +      var newValue = this.element.value.substr(0, lastTokenPos + 1); +      var whitespace = this.element.value.substr(lastTokenPos + 1).match(/^\s+/); +      if (whitespace) +        newValue += whitespace[0]; +      this.element.value = newValue + value; +    } else { +      this.element.value = value; +    } +    this.element.focus(); +     +    if (this.options.afterUpdateElement) +      this.options.afterUpdateElement(this.element, selectedElement); +  }, + +  updateChoices: function(choices) { +    if(!this.changed && this.hasFocus) { +      this.update.innerHTML = choices; +      Element.cleanWhitespace(this.update); +      Element.cleanWhitespace(this.update.firstChild); + +      if(this.update.firstChild && this.update.firstChild.childNodes) { +        this.entryCount =  +          this.update.firstChild.childNodes.length; +        for (var i = 0; i < this.entryCount; i++) { +          var entry = this.getEntry(i); +          entry.autocompleteIndex = i; +          this.addObservers(entry); +        } +      } else {  +        this.entryCount = 0; +      } + +      this.stopIndicator(); + +      this.index = 0; +      this.render(); +    } +  }, + +  addObservers: function(element) { +    Event.observe(element, "mouseover", this.onHover.bindAsEventListener(this)); +    Event.observe(element, "click", this.onClick.bindAsEventListener(this)); +  }, + +  onObserverEvent: function() { +    this.changed = false;    +    if(this.getToken().length>=this.options.minChars) { +      this.startIndicator(); +      this.getUpdatedChoices(); +    } else { +      this.active = false; +      this.hide(); +    } +  }, + +  getToken: function() { +    var tokenPos = this.findLastToken(); +    if (tokenPos != -1) +      var ret = this.element.value.substr(tokenPos + 1).replace(/^\s+/,'').replace(/\s+$/,''); +    else +      var ret = this.element.value; + +    return /\n/.test(ret) ? '' : ret; +  }, + +  findLastToken: function() { +    var lastTokenPos = -1; + +    for (var i=0; i<this.options.tokens.length; i++) { +      var thisTokenPos = this.element.value.lastIndexOf(this.options.tokens[i]); +      if (thisTokenPos > lastTokenPos) +        lastTokenPos = thisTokenPos; +    } +    return lastTokenPos; +  } +} + +Ajax.Autocompleter = Class.create(); +Object.extend(Object.extend(Ajax.Autocompleter.prototype, Autocompleter.Base.prototype), { +  initialize: function(element, update, url, options) { +    this.baseInitialize(element, update, options); +    this.options.asynchronous  = true; +    this.options.onComplete    = this.onComplete.bind(this); +    this.options.defaultParams = this.options.parameters || null; +    this.url                   = url; +  }, + +  getUpdatedChoices: function() { +    entry = encodeURIComponent(this.options.paramName) + '=' +  +      encodeURIComponent(this.getToken()); + +    this.options.parameters = this.options.callback ? +      this.options.callback(this.element, entry) : entry; + +    if(this.options.defaultParams)  +      this.options.parameters += '&' + this.options.defaultParams; + +    new Ajax.Request(this.url, this.options); +  }, + +  onComplete: function(request) { +    this.updateChoices(request.responseText); +  } + +}); + +// The local array autocompleter. Used when you'd prefer to +// inject an array of autocompletion options into the page, rather +// than sending out Ajax queries, which can be quite slow sometimes. +// +// The constructor takes four parameters. The first two are, as usual, +// the id of the monitored textbox, and id of the autocompletion menu. +// The third is the array you want to autocomplete from, and the fourth +// is the options block. +// +// Extra local autocompletion options: +// - choices - How many autocompletion choices to offer +// +// - partialSearch - If false, the autocompleter will match entered +//                    text only at the beginning of strings in the  +//                    autocomplete array. Defaults to true, which will +//                    match text at the beginning of any *word* in the +//                    strings in the autocomplete array. If you want to +//                    search anywhere in the string, additionally set +//                    the option fullSearch to true (default: off). +// +// - fullSsearch - Search anywhere in autocomplete array strings. +// +// - partialChars - How many characters to enter before triggering +//                   a partial match (unlike minChars, which defines +//                   how many characters are required to do any match +//                   at all). Defaults to 2. +// +// - ignoreCase - Whether to ignore case when autocompleting. +//                 Defaults to true. +// +// It's possible to pass in a custom function as the 'selector'  +// option, if you prefer to write your own autocompletion logic. +// In that case, the other options above will not apply unless +// you support them. + +Autocompleter.Local = Class.create(); +Autocompleter.Local.prototype = Object.extend(new Autocompleter.Base(), { +  initialize: function(element, update, array, options) { +    this.baseInitialize(element, update, options); +    this.options.array = array; +  }, + +  getUpdatedChoices: function() { +    this.updateChoices(this.options.selector(this)); +  }, + +  setOptions: function(options) { +    this.options = Object.extend({ +      choices: 10, +      partialSearch: true, +      partialChars: 2, +      ignoreCase: true, +      fullSearch: false, +      selector: function(instance) { +        var ret       = []; // Beginning matches +        var partial   = []; // Inside matches +        var entry     = instance.getToken(); +        var count     = 0; + +        for (var i = 0; i < instance.options.array.length &&   +          ret.length < instance.options.choices ; i++) {  + +          var elem = instance.options.array[i]; +          var foundPos = instance.options.ignoreCase ?  +            elem.toLowerCase().indexOf(entry.toLowerCase()) :  +            elem.indexOf(entry); + +          while (foundPos != -1) { +            if (foundPos == 0 && elem.length != entry.length) {  +              ret.push("<li><strong>" + elem.substr(0, entry.length) + "</strong>" +  +                elem.substr(entry.length) + "</li>"); +              break; +            } else if (entry.length >= instance.options.partialChars &&  +              instance.options.partialSearch && foundPos != -1) { +              if (instance.options.fullSearch || /\s/.test(elem.substr(foundPos-1,1))) { +                partial.push("<li>" + elem.substr(0, foundPos) + "<strong>" + +                  elem.substr(foundPos, entry.length) + "</strong>" + elem.substr( +                  foundPos + entry.length) + "</li>"); +                break; +              } +            } + +            foundPos = instance.options.ignoreCase ?  +              elem.toLowerCase().indexOf(entry.toLowerCase(), foundPos + 1) :  +              elem.indexOf(entry, foundPos + 1); + +          } +        } +        if (partial.length) +          ret = ret.concat(partial.slice(0, instance.options.choices - ret.length)) +        return "<ul>" + ret.join('') + "</ul>"; +      } +    }, options || {}); +  } +}); + +// AJAX in-place editor +// +// see documentation on http://wiki.script.aculo.us/scriptaculous/show/Ajax.InPlaceEditor + +// Use this if you notice weird scrolling problems on some browsers, +// the DOM might be a bit confused when this gets called so do this +// waits 1 ms (with setTimeout) until it does the activation +Field.scrollFreeActivate = function(field) { +  setTimeout(function() { +    Field.activate(field); +  }, 1); +} + +Ajax.InPlaceEditor = Class.create(); +Ajax.InPlaceEditor.defaultHighlightColor = "#FFFF99"; +Ajax.InPlaceEditor.prototype = { +  initialize: function(element, url, options) { +    this.url = url; +    this.element = $(element); + +    this.options = Object.extend({ +      okButton: true, +      okText: "ok", +      cancelLink: true, +      cancelText: "cancel", +      savingText: "Saving...", +      clickToEditText: "Click to edit", +      okText: "ok", +      rows: 1, +      onComplete: function(transport, element) { +        new Effect.Highlight(element, {startcolor: this.options.highlightcolor}); +      }, +      onFailure: function(transport) { +        alert("Error communicating with the server: " + transport.responseText.stripTags()); +      }, +      callback: function(form) { +        return Form.serialize(form); +      }, +      handleLineBreaks: true, +      loadingText: 'Loading...', +      savingClassName: 'inplaceeditor-saving', +      loadingClassName: 'inplaceeditor-loading', +      formClassName: 'inplaceeditor-form', +      highlightcolor: Ajax.InPlaceEditor.defaultHighlightColor, +      highlightendcolor: "#FFFFFF", +      externalControl: null, +      submitOnBlur: false, +      ajaxOptions: {}, +      evalScripts: false +    }, options || {}); + +    if(!this.options.formId && this.element.id) { +      this.options.formId = this.element.id + "-inplaceeditor"; +      if ($(this.options.formId)) { +        // there's already a form with that name, don't specify an id +        this.options.formId = null; +      } +    } +     +    if (this.options.externalControl) { +      this.options.externalControl = $(this.options.externalControl); +    } +     +    this.originalBackground = Element.getStyle(this.element, 'background-color'); +    if (!this.originalBackground) { +      this.originalBackground = "transparent"; +    } +     +    this.element.title = this.options.clickToEditText; +     +    this.onclickListener = this.enterEditMode.bindAsEventListener(this); +    this.mouseoverListener = this.enterHover.bindAsEventListener(this); +    this.mouseoutListener = this.leaveHover.bindAsEventListener(this); +    Event.observe(this.element, 'click', this.onclickListener); +    Event.observe(this.element, 'mouseover', this.mouseoverListener); +    Event.observe(this.element, 'mouseout', this.mouseoutListener); +    if (this.options.externalControl) { +      Event.observe(this.options.externalControl, 'click', this.onclickListener); +      Event.observe(this.options.externalControl, 'mouseover', this.mouseoverListener); +      Event.observe(this.options.externalControl, 'mouseout', this.mouseoutListener); +    } +  }, +  enterEditMode: function(evt) { +    if (this.saving) return; +    if (this.editing) return; +    this.editing = true; +    this.onEnterEditMode(); +    if (this.options.externalControl) { +      Element.hide(this.options.externalControl); +    } +    Element.hide(this.element); +    this.createForm(); +    this.element.parentNode.insertBefore(this.form, this.element); +    if (!this.options.loadTextURL) Field.scrollFreeActivate(this.editField); +    // stop the event to avoid a page refresh in Safari +    if (evt) { +      Event.stop(evt); +    } +    return false; +  }, +  createForm: function() { +    this.form = document.createElement("form"); +    this.form.id = this.options.formId; +    Element.addClassName(this.form, this.options.formClassName) +    this.form.onsubmit = this.onSubmit.bind(this); + +    this.createEditField(); + +    if (this.options.textarea) { +      var br = document.createElement("br"); +      this.form.appendChild(br); +    } + +    if (this.options.okButton) { +      okButton = document.createElement("input"); +      okButton.type = "submit"; +      okButton.value = this.options.okText; +      okButton.className = 'editor_ok_button'; +      this.form.appendChild(okButton); +    } + +    if (this.options.cancelLink) { +      cancelLink = document.createElement("a"); +      cancelLink.href = "#"; +      cancelLink.appendChild(document.createTextNode(this.options.cancelText)); +      cancelLink.onclick = this.onclickCancel.bind(this); +      cancelLink.className = 'editor_cancel';       +      this.form.appendChild(cancelLink); +    } +  }, +  hasHTMLLineBreaks: function(string) { +    if (!this.options.handleLineBreaks) return false; +    return string.match(/<br/i) || string.match(/<p>/i); +  }, +  convertHTMLLineBreaks: function(string) { +    return string.replace(/<br>/gi, "\n").replace(/<br\/>/gi, "\n").replace(/<\/p>/gi, "\n").replace(/<p>/gi, ""); +  }, +  createEditField: function() { +    var text; +    if(this.options.loadTextURL) { +      text = this.options.loadingText; +    } else { +      text = this.getText(); +    } + +    var obj = this; +     +    if (this.options.rows == 1 && !this.hasHTMLLineBreaks(text)) { +      this.options.textarea = false; +      var textField = document.createElement("input"); +      textField.obj = this; +      textField.type = "text"; +      textField.name = "value"; +      textField.value = text; +      textField.style.backgroundColor = this.options.highlightcolor; +      textField.className = 'editor_field'; +      var size = this.options.size || this.options.cols || 0; +      if (size != 0) textField.size = size; +      if (this.options.submitOnBlur) +        textField.onblur = this.onSubmit.bind(this); +      this.editField = textField; +    } else { +      this.options.textarea = true; +      var textArea = document.createElement("textarea"); +      textArea.obj = this; +      textArea.name = "value"; +      textArea.value = this.convertHTMLLineBreaks(text); +      textArea.rows = this.options.rows; +      textArea.cols = this.options.cols || 40; +      textArea.className = 'editor_field';       +      if (this.options.submitOnBlur) +        textArea.onblur = this.onSubmit.bind(this); +      this.editField = textArea; +    } +     +    if(this.options.loadTextURL) { +      this.loadExternalText(); +    } +    this.form.appendChild(this.editField); +  }, +  getText: function() { +    return this.element.innerHTML; +  }, +  loadExternalText: function() { +    Element.addClassName(this.form, this.options.loadingClassName); +    this.editField.disabled = true; +    new Ajax.Request( +      this.options.loadTextURL, +      Object.extend({ +        asynchronous: true, +        onComplete: this.onLoadedExternalText.bind(this) +      }, this.options.ajaxOptions) +    ); +  }, +  onLoadedExternalText: function(transport) { +    Element.removeClassName(this.form, this.options.loadingClassName); +    this.editField.disabled = false; +    this.editField.value = transport.responseText.stripTags(); +    Field.scrollFreeActivate(this.editField); +  }, +  onclickCancel: function() { +    this.onComplete(); +    this.leaveEditMode(); +    return false; +  }, +  onFailure: function(transport) { +    this.options.onFailure(transport); +    if (this.oldInnerHTML) { +      this.element.innerHTML = this.oldInnerHTML; +      this.oldInnerHTML = null; +    } +    return false; +  }, +  onSubmit: function() { +    // onLoading resets these so we need to save them away for the Ajax call +    var form = this.form; +    var value = this.editField.value; +     +    // do this first, sometimes the ajax call returns before we get a chance to switch on Saving... +    // which means this will actually switch on Saving... *after* we've left edit mode causing Saving... +    // to be displayed indefinitely +    this.onLoading(); +     +    if (this.options.evalScripts) { +      new Ajax.Request( +        this.url, Object.extend({ +          parameters: this.options.callback(form, value), +          onComplete: this.onComplete.bind(this), +          onFailure: this.onFailure.bind(this), +          asynchronous:true,  +          evalScripts:true +        }, this.options.ajaxOptions)); +    } else  { +      new Ajax.Updater( +        { success: this.element, +          // don't update on failure (this could be an option) +          failure: null },  +        this.url, Object.extend({ +          parameters: this.options.callback(form, value), +          onComplete: this.onComplete.bind(this), +          onFailure: this.onFailure.bind(this) +        }, this.options.ajaxOptions)); +    } +    // stop the event to avoid a page refresh in Safari +    if (arguments.length > 1) { +      Event.stop(arguments[0]); +    } +    return false; +  }, +  onLoading: function() { +    this.saving = true; +    this.removeForm(); +    this.leaveHover(); +    this.showSaving(); +  }, +  showSaving: function() { +    this.oldInnerHTML = this.element.innerHTML; +    this.element.innerHTML = this.options.savingText; +    Element.addClassName(this.element, this.options.savingClassName); +    this.element.style.backgroundColor = this.originalBackground; +    Element.show(this.element); +  }, +  removeForm: function() { +    if(this.form) { +      if (this.form.parentNode) Element.remove(this.form); +      this.form = null; +    } +  }, +  enterHover: function() { +    if (this.saving) return; +    this.element.style.backgroundColor = this.options.highlightcolor; +    if (this.effect) { +      this.effect.cancel(); +    } +    Element.addClassName(this.element, this.options.hoverClassName) +  }, +  leaveHover: function() { +    if (this.options.backgroundColor) { +      this.element.style.backgroundColor = this.oldBackground; +    } +    Element.removeClassName(this.element, this.options.hoverClassName) +    if (this.saving) return; +    this.effect = new Effect.Highlight(this.element, { +      startcolor: this.options.highlightcolor, +      endcolor: this.options.highlightendcolor, +      restorecolor: this.originalBackground +    }); +  }, +  leaveEditMode: function() { +    Element.removeClassName(this.element, this.options.savingClassName); +    this.removeForm(); +    this.leaveHover(); +    this.element.style.backgroundColor = this.originalBackground; +    Element.show(this.element); +    if (this.options.externalControl) { +      Element.show(this.options.externalControl); +    } +    this.editing = false; +    this.saving = false; +    this.oldInnerHTML = null; +    this.onLeaveEditMode(); +  }, +  onComplete: function(transport) { +    this.leaveEditMode(); +    this.options.onComplete.bind(this)(transport, this.element); +  }, +  onEnterEditMode: function() {}, +  onLeaveEditMode: function() {}, +  dispose: function() { +    if (this.oldInnerHTML) { +      this.element.innerHTML = this.oldInnerHTML; +    } +    this.leaveEditMode(); +    Event.stopObserving(this.element, 'click', this.onclickListener); +    Event.stopObserving(this.element, 'mouseover', this.mouseoverListener); +    Event.stopObserving(this.element, 'mouseout', this.mouseoutListener); +    if (this.options.externalControl) { +      Event.stopObserving(this.options.externalControl, 'click', this.onclickListener); +      Event.stopObserving(this.options.externalControl, 'mouseover', this.mouseoverListener); +      Event.stopObserving(this.options.externalControl, 'mouseout', this.mouseoutListener); +    } +  } +}; + +Ajax.InPlaceCollectionEditor = Class.create(); +Object.extend(Ajax.InPlaceCollectionEditor.prototype, Ajax.InPlaceEditor.prototype); +Object.extend(Ajax.InPlaceCollectionEditor.prototype, { +  createEditField: function() { +    if (!this.cached_selectTag) { +      var selectTag = document.createElement("select"); +      var collection = this.options.collection || []; +      var optionTag; +      collection.each(function(e,i) { +        optionTag = document.createElement("option"); +        optionTag.value = (e instanceof Array) ? e[0] : e; +        if(this.options.value==optionTag.value) optionTag.selected = true; +        optionTag.appendChild(document.createTextNode((e instanceof Array) ? e[1] : e)); +        selectTag.appendChild(optionTag); +      }.bind(this)); +      this.cached_selectTag = selectTag; +    } + +    this.editField = this.cached_selectTag; +    if(this.options.loadTextURL) this.loadExternalText(); +    this.form.appendChild(this.editField); +    this.options.callback = function(form, value) { +      return "value=" + encodeURIComponent(value); +    } +  } +}); + +// Delayed observer, like Form.Element.Observer,  +// but waits for delay after last key input +// Ideal for live-search fields + +Form.Element.DelayedObserver = Class.create(); +Form.Element.DelayedObserver.prototype = { +  initialize: function(element, delay, callback) { +    this.delay     = delay || 0.5; +    this.element   = $(element); +    this.callback  = callback; +    this.timer     = null; +    this.lastValue = $F(this.element);  +    Event.observe(this.element,'keyup',this.delayedListener.bindAsEventListener(this)); +  }, +  delayedListener: function(event) { +    if(this.lastValue == $F(this.element)) return; +    if(this.timer) clearTimeout(this.timer); +    this.timer = setTimeout(this.onTimerEvent.bind(this), this.delay * 1000); +    this.lastValue = $F(this.element); +  }, +  onTimerEvent: function() { +    this.timer = null; +    this.callback(this.element, $F(this.element)); +  } +}; + + +// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us) +//           (c) 2005 Sammi Williams (http://www.oriontransfer.co.nz, sammi@oriontransfer.co.nz) +//  +// See scriptaculous.js for full license. + +/*--------------------------------------------------------------------------*/ + +if(typeof Effect == 'undefined') +  throw("dragdrop.js requires including script.aculo.us' effects.js library"); + +var Droppables = { +  drops: [], + +  remove: function(element) { +    this.drops = this.drops.reject(function(d) { return d.element==$(element) }); +  }, + +  add: function(element) { +    element = $(element); +    var options = Object.extend({ +      greedy:     true, +      hoverclass: null, +      tree:       false +    }, arguments[1] || {}); + +    // cache containers +    if(options.containment) { +      options._containers = []; +      var containment = options.containment; +      if((typeof containment == 'object') &&  +        (containment.constructor == Array)) { +        containment.each( function(c) { options._containers.push($(c)) }); +      } else { +        options._containers.push($(containment)); +      } +    } +     +    if(options.accept) options.accept = [options.accept].flatten(); + +    Element.makePositioned(element); // fix IE +    options.element = element; + +    this.drops.push(options); +  }, +   +  findDeepestChild: function(drops) { +    deepest = drops[0]; +       +    for (i = 1; i < drops.length; ++i) +      if (Element.isParent(drops[i].element, deepest.element)) +        deepest = drops[i]; +     +    return deepest; +  }, + +  isContained: function(element, drop) { +    var containmentNode; +    if(drop.tree) { +      containmentNode = element.treeNode;  +    } else { +      containmentNode = element.parentNode; +    } +    return drop._containers.detect(function(c) { return containmentNode == c }); +  }, +   +  isAffected: function(point, element, drop) { +    return ( +      (drop.element!=element) && +      ((!drop._containers) || +        this.isContained(element, drop)) && +      ((!drop.accept) || +        (Element.classNames(element).detect(  +          function(v) { return drop.accept.include(v) } ) )) && +      Position.within(drop.element, point[0], point[1]) ); +  }, + +  deactivate: function(drop) { +    if(drop.hoverclass) +      Element.removeClassName(drop.element, drop.hoverclass); +    this.last_active = null; +  }, + +  activate: function(drop) { +    if(drop.hoverclass) +      Element.addClassName(drop.element, drop.hoverclass); +    this.last_active = drop; +  }, + +  show: function(point, element) { +    if(!this.drops.length) return; +    var affected = []; +     +    if(this.last_active) this.deactivate(this.last_active); +    this.drops.each( function(drop) { +      if(Droppables.isAffected(point, element, drop)) +        affected.push(drop); +    }); +         +    if(affected.length>0) { +      drop = Droppables.findDeepestChild(affected); +      Position.within(drop.element, point[0], point[1]); +      if(drop.onHover) +        drop.onHover(element, drop.element, Position.overlap(drop.overlap, drop.element)); +       +      Droppables.activate(drop); +    } +  }, + +  fire: function(event, element) { +    if(!this.last_active) return; +    Position.prepare(); + +    if (this.isAffected([Event.pointerX(event), Event.pointerY(event)], element, this.last_active)) +      if (this.last_active.onDrop)  +        this.last_active.onDrop(element, this.last_active.element, event); +  }, + +  reset: function() { +    if(this.last_active) +      this.deactivate(this.last_active); +  } +} + +var Draggables = { +  drags: [], +  observers: [], +   +  register: function(draggable) { +    if(this.drags.length == 0) { +      this.eventMouseUp   = this.endDrag.bindAsEventListener(this); +      this.eventMouseMove = this.updateDrag.bindAsEventListener(this); +      this.eventKeypress  = this.keyPress.bindAsEventListener(this); +       +      Event.observe(document, "mouseup", this.eventMouseUp); +      Event.observe(document, "mousemove", this.eventMouseMove); +      Event.observe(document, "keypress", this.eventKeypress); +    } +    this.drags.push(draggable); +  }, +   +  unregister: function(draggable) { +    this.drags = this.drags.reject(function(d) { return d==draggable }); +    if(this.drags.length == 0) { +      Event.stopObserving(document, "mouseup", this.eventMouseUp); +      Event.stopObserving(document, "mousemove", this.eventMouseMove); +      Event.stopObserving(document, "keypress", this.eventKeypress); +    } +  }, +   +  activate: function(draggable) { +    window.focus(); // allows keypress events if window isn't currently focused, fails for Safari +    this.activeDraggable = draggable; +  }, +   +  deactivate: function() { +    this.activeDraggable = null; +  }, +   +  updateDrag: function(event) { +    if(!this.activeDraggable) return; +    var pointer = [Event.pointerX(event), Event.pointerY(event)]; +    // Mozilla-based browsers fire successive mousemove events with +    // the same coordinates, prevent needless redrawing (moz bug?) +    if(this._lastPointer && (this._lastPointer.inspect() == pointer.inspect())) return; +    this._lastPointer = pointer; +    this.activeDraggable.updateDrag(event, pointer); +  }, +   +  endDrag: function(event) { +    if(!this.activeDraggable) return; +    this._lastPointer = null; +    this.activeDraggable.endDrag(event); +    this.activeDraggable = null; +  }, +   +  keyPress: function(event) { +    if(this.activeDraggable) +      this.activeDraggable.keyPress(event); +  }, +   +  addObserver: function(observer) { +    this.observers.push(observer); +    this._cacheObserverCallbacks(); +  }, +   +  removeObserver: function(element) {  // element instead of observer fixes mem leaks +    this.observers = this.observers.reject( function(o) { return o.element==element }); +    this._cacheObserverCallbacks(); +  }, +   +  notify: function(eventName, draggable, event) {  // 'onStart', 'onEnd', 'onDrag' +    if(this[eventName+'Count'] > 0) +      this.observers.each( function(o) { +        if(o[eventName]) o[eventName](eventName, draggable, event); +      }); +  }, +   +  _cacheObserverCallbacks: function() { +    ['onStart','onEnd','onDrag'].each( function(eventName) { +      Draggables[eventName+'Count'] = Draggables.observers.select( +        function(o) { return o[eventName]; } +      ).length; +    }); +  } +} + +/*--------------------------------------------------------------------------*/ + +var Draggable = Class.create(); +Draggable._revertCache = {}; +Draggable._dragging    = {}; + +Draggable.prototype = { +  initialize: function(element) { +    var options = Object.extend({ +      handle: false, +      starteffect: function(element) { +        element._opacity = Element.getOpacity(element); +        Draggable._dragging[element] = true; +        new Effect.Opacity(element, {duration:0.2, from:element._opacity, to:0.7});  +      }, +      reverteffect: function(element, top_offset, left_offset) { +        var dur = Math.sqrt(Math.abs(top_offset^2)+Math.abs(left_offset^2))*0.02; +        Draggable._revertCache[element] = +          new Effect.Move(element, { x: -left_offset, y: -top_offset, duration: dur, +            queue: {scope:'_draggable', position:'end'} +          }); +      }, +      endeffect: function(element) { +        var toOpacity = typeof element._opacity == 'number' ? element._opacity : 1.0; +        new Effect.Opacity(element, {duration:0.2, from:0.7, to:toOpacity,  +          queue: {scope:'_draggable', position:'end'}, +          afterFinish: function(){ Draggable._dragging[element] = false } +        });  +      }, +      zindex: 1000, +      revert: false, +      scroll: false, +      scrollSensitivity: 20, +      scrollSpeed: 15, +      snap: false   // false, or xy or [x,y] or function(x,y){ return [x,y] } +    }, arguments[1] || {}); + +    this.element = $(element); +     +    if(options.handle && (typeof options.handle == 'string')) { +      var h = Element.childrenWithClassName(this.element, options.handle, true); +      if(h.length>0) this.handle = h[0]; +    } +    if(!this.handle) this.handle = $(options.handle); +    if(!this.handle) this.handle = this.element; +     +    if(options.scroll && !options.scroll.scrollTo && !options.scroll.outerHTML) +      options.scroll = $(options.scroll); + +    Element.makePositioned(this.element); // fix IE     + +    this.delta    = this.currentDelta(); +    this.options  = options; +    this.dragging = false;    + +    this.eventMouseDown = this.initDrag.bindAsEventListener(this); +    Event.observe(this.handle, "mousedown", this.eventMouseDown); +     +    Draggables.register(this); +  }, +   +  destroy: function() { +    Event.stopObserving(this.handle, "mousedown", this.eventMouseDown); +    Draggables.unregister(this); +  }, +   +  currentDelta: function() { +    return([ +      parseInt(Element.getStyle(this.element,'left') || '0'), +      parseInt(Element.getStyle(this.element,'top') || '0')]); +  }, +   +  initDrag: function(event) { +    if(typeof Draggable._dragging[this.element] != undefined && +      Draggable._dragging[this.element]) return; +    if(Event.isLeftClick(event)) {     +      // abort on form elements, fixes a Firefox issue +      var src = Event.element(event); +      if(src.tagName && ( +        src.tagName=='INPUT' || +        src.tagName=='SELECT' || +        src.tagName=='OPTION' || +        src.tagName=='BUTTON' || +        src.tagName=='TEXTAREA')) return; +         +      if(Draggable._revertCache[this.element]) { +        Draggable._revertCache[this.element].cancel(); +        Draggable._revertCache[this.element] = null; +      } +       +      var pointer = [Event.pointerX(event), Event.pointerY(event)]; +      var pos     = Position.cumulativeOffset(this.element); +      this.offset = [0,1].map( function(i) { return (pointer[i] - pos[i]) }); +       +      Draggables.activate(this); +      Event.stop(event); +    } +  }, +   +  startDrag: function(event) { +    this.dragging = true; +     +    if(this.options.zindex) { +      this.originalZ = parseInt(Element.getStyle(this.element,'z-index') || 0); +      this.element.style.zIndex = this.options.zindex; +    } +     +    if(this.options.ghosting) { +      this._clone = this.element.cloneNode(true); +      Position.absolutize(this.element); +      this.element.parentNode.insertBefore(this._clone, this.element); +    } +     +    if(this.options.scroll) { +      if (this.options.scroll == window) { +        var where = this._getWindowScroll(this.options.scroll); +        this.originalScrollLeft = where.left; +        this.originalScrollTop = where.top; +      } else { +        this.originalScrollLeft = this.options.scroll.scrollLeft; +        this.originalScrollTop = this.options.scroll.scrollTop; +      } +    } +     +    Draggables.notify('onStart', this, event); +    if(this.options.starteffect) this.options.starteffect(this.element); +  }, +   +  updateDrag: function(event, pointer) { +    if(!this.dragging) this.startDrag(event); +    Position.prepare(); +    Droppables.show(pointer, this.element); +    Draggables.notify('onDrag', this, event); +    this.draw(pointer); +    if(this.options.change) this.options.change(this); +     +    if(this.options.scroll) { +      this.stopScrolling(); +       +      var p; +      if (this.options.scroll == window) { +        with(this._getWindowScroll(this.options.scroll)) { p = [ left, top, left+width, top+height ]; } +      } else { +        p = Position.page(this.options.scroll); +        p[0] += this.options.scroll.scrollLeft; +        p[1] += this.options.scroll.scrollTop; +        p.push(p[0]+this.options.scroll.offsetWidth); +        p.push(p[1]+this.options.scroll.offsetHeight); +      } +      var speed = [0,0]; +      if(pointer[0] < (p[0]+this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[0]+this.options.scrollSensitivity); +      if(pointer[1] < (p[1]+this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[1]+this.options.scrollSensitivity); +      if(pointer[0] > (p[2]-this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[2]-this.options.scrollSensitivity); +      if(pointer[1] > (p[3]-this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[3]-this.options.scrollSensitivity); +      this.startScrolling(speed); +    } +     +    // fix AppleWebKit rendering +    if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0); +     +    Event.stop(event); +  }, +   +  finishDrag: function(event, success) { +    this.dragging = false; + +    if(this.options.ghosting) { +      Position.relativize(this.element); +      Element.remove(this._clone); +      this._clone = null; +    } + +    if(success) Droppables.fire(event, this.element); +    Draggables.notify('onEnd', this, event); + +    var revert = this.options.revert; +    if(revert && typeof revert == 'function') revert = revert(this.element); +     +    var d = this.currentDelta(); +    if(revert && this.options.reverteffect) { +      this.options.reverteffect(this.element,  +        d[1]-this.delta[1], d[0]-this.delta[0]); +    } else { +      this.delta = d; +    } + +    if(this.options.zindex) +      this.element.style.zIndex = this.originalZ; + +    if(this.options.endeffect)  +      this.options.endeffect(this.element); + +    Draggables.deactivate(this); +    Droppables.reset(); +  }, +   +  keyPress: function(event) { +    if(event.keyCode!=Event.KEY_ESC) return; +    this.finishDrag(event, false); +    Event.stop(event); +  }, +   +  endDrag: function(event) { +    if(!this.dragging) return; +    this.stopScrolling(); +    this.finishDrag(event, true); +    Event.stop(event); +  }, +   +  draw: function(point) { +    var pos = Position.cumulativeOffset(this.element); +    var d = this.currentDelta(); +    pos[0] -= d[0]; pos[1] -= d[1]; +     +    if(this.options.scroll && (this.options.scroll != window)) { +      pos[0] -= this.options.scroll.scrollLeft-this.originalScrollLeft; +      pos[1] -= this.options.scroll.scrollTop-this.originalScrollTop; +    } +     +    var p = [0,1].map(function(i){  +      return (point[i]-pos[i]-this.offset[i])  +    }.bind(this)); +     +    if(this.options.snap) { +      if(typeof this.options.snap == 'function') { +        p = this.options.snap(p[0],p[1],this); +      } else { +      if(this.options.snap instanceof Array) { +        p = p.map( function(v, i) { +          return Math.round(v/this.options.snap[i])*this.options.snap[i] }.bind(this)) +      } else { +        p = p.map( function(v) { +          return Math.round(v/this.options.snap)*this.options.snap }.bind(this)) +      } +    }} +     +    var style = this.element.style; +    if((!this.options.constraint) || (this.options.constraint=='horizontal')) +      style.left = p[0] + "px"; +    if((!this.options.constraint) || (this.options.constraint=='vertical')) +      style.top  = p[1] + "px"; +    if(style.visibility=="hidden") style.visibility = ""; // fix gecko rendering +  }, +   +  stopScrolling: function() { +    if(this.scrollInterval) { +      clearInterval(this.scrollInterval); +      this.scrollInterval = null; +      Draggables._lastScrollPointer = null; +    } +  }, +   +  startScrolling: function(speed) { +    if(!(speed[0] || speed[1])) return; +    this.scrollSpeed = [speed[0]*this.options.scrollSpeed,speed[1]*this.options.scrollSpeed]; +    this.lastScrolled = new Date(); +    this.scrollInterval = setInterval(this.scroll.bind(this), 10); +  }, +   +  scroll: function() { +    var current = new Date(); +    var delta = current - this.lastScrolled; +    this.lastScrolled = current; +    if(this.options.scroll == window) { +      with (this._getWindowScroll(this.options.scroll)) { +        if (this.scrollSpeed[0] || this.scrollSpeed[1]) { +          var d = delta / 1000; +          this.options.scroll.scrollTo( left + d*this.scrollSpeed[0], top + d*this.scrollSpeed[1] ); +        } +      } +    } else { +      this.options.scroll.scrollLeft += this.scrollSpeed[0] * delta / 1000; +      this.options.scroll.scrollTop  += this.scrollSpeed[1] * delta / 1000; +    } +     +    Position.prepare(); +    Droppables.show(Draggables._lastPointer, this.element); +    Draggables.notify('onDrag', this); +    Draggables._lastScrollPointer = Draggables._lastScrollPointer || $A(Draggables._lastPointer); +    Draggables._lastScrollPointer[0] += this.scrollSpeed[0] * delta / 1000; +    Draggables._lastScrollPointer[1] += this.scrollSpeed[1] * delta / 1000; +    if (Draggables._lastScrollPointer[0] < 0) +      Draggables._lastScrollPointer[0] = 0; +    if (Draggables._lastScrollPointer[1] < 0) +      Draggables._lastScrollPointer[1] = 0; +    this.draw(Draggables._lastScrollPointer); +     +    if(this.options.change) this.options.change(this); +  }, +   +  _getWindowScroll: function(w) { +    var T, L, W, H; +    with (w.document) { +      if (w.document.documentElement && documentElement.scrollTop) { +        T = documentElement.scrollTop; +        L = documentElement.scrollLeft; +      } else if (w.document.body) { +        T = body.scrollTop; +        L = body.scrollLeft; +      } +      if (w.innerWidth) { +        W = w.innerWidth; +        H = w.innerHeight; +      } else if (w.document.documentElement && documentElement.clientWidth) { +        W = documentElement.clientWidth; +        H = documentElement.clientHeight; +      } else { +        W = body.offsetWidth; +        H = body.offsetHeight +      } +    } +    return { top: T, left: L, width: W, height: H }; +  } +} + +/*--------------------------------------------------------------------------*/ + +var SortableObserver = Class.create(); +SortableObserver.prototype = { +  initialize: function(element, observer) { +    this.element   = $(element); +    this.observer  = observer; +    this.lastValue = Sortable.serialize(this.element); +  }, +   +  onStart: function() { +    this.lastValue = Sortable.serialize(this.element); +  }, +   +  onEnd: function() { +    Sortable.unmark(); +    if(this.lastValue != Sortable.serialize(this.element)) +      this.observer(this.element) +  } +} + +var Sortable = { +  sortables: {}, +   +  _findRootElement: function(element) { +    while (element.tagName != "BODY") {   +      if(element.id && Sortable.sortables[element.id]) return element; +      element = element.parentNode; +    } +  }, + +  options: function(element) { +    element = Sortable._findRootElement($(element)); +    if(!element) return; +    return Sortable.sortables[element.id]; +  }, +   +  destroy: function(element){ +    var s = Sortable.options(element); +     +    if(s) { +      Draggables.removeObserver(s.element); +      s.droppables.each(function(d){ Droppables.remove(d) }); +      s.draggables.invoke('destroy'); +       +      delete Sortable.sortables[s.element.id]; +    } +  }, + +  create: function(element) { +    element = $(element); +    var options = Object.extend({  +      element:     element, +      tag:         'li',       // assumes li children, override with tag: 'tagname' +      dropOnEmpty: false, +      tree:        false, +      treeTag:     'ul', +      overlap:     'vertical', // one of 'vertical', 'horizontal' +      constraint:  'vertical', // one of 'vertical', 'horizontal', false +      containment: element,    // also takes array of elements (or id's); or false +      handle:      false,      // or a CSS class +      only:        false, +      hoverclass:  null, +      ghosting:    false, +      scroll:      false, +      scrollSensitivity: 20, +      scrollSpeed: 15, +      format:      /^[^_]*_(.*)$/, +      onChange:    Prototype.emptyFunction, +      onUpdate:    Prototype.emptyFunction +    }, arguments[1] || {}); + +    // clear any old sortable with same element +    this.destroy(element); + +    // build options for the draggables +    var options_for_draggable = { +      revert:      true, +      scroll:      options.scroll, +      scrollSpeed: options.scrollSpeed, +      scrollSensitivity: options.scrollSensitivity, +      ghosting:    options.ghosting, +      constraint:  options.constraint, +      handle:      options.handle }; + +    if(options.starteffect) +      options_for_draggable.starteffect = options.starteffect; + +    if(options.reverteffect) +      options_for_draggable.reverteffect = options.reverteffect; +    else +      if(options.ghosting) options_for_draggable.reverteffect = function(element) { +        element.style.top  = 0; +        element.style.left = 0; +      }; + +    if(options.endeffect) +      options_for_draggable.endeffect = options.endeffect; + +    if(options.zindex) +      options_for_draggable.zindex = options.zindex; + +    // build options for the droppables   +    var options_for_droppable = { +      overlap:     options.overlap, +      containment: options.containment, +      tree:        options.tree, +      hoverclass:  options.hoverclass, +      onHover:     Sortable.onHover +      //greedy:      !options.dropOnEmpty +    } +     +    var options_for_tree = { +      onHover:      Sortable.onEmptyHover, +      overlap:      options.overlap, +      containment:  options.containment, +      hoverclass:   options.hoverclass +    } + +    // fix for gecko engine +    Element.cleanWhitespace(element);  + +    options.draggables = []; +    options.droppables = []; + +    // drop on empty handling +    if(options.dropOnEmpty || options.tree) { +      Droppables.add(element, options_for_tree); +      options.droppables.push(element); +    } + +    (this.findElements(element, options) || []).each( function(e) { +      // handles are per-draggable +      var handle = options.handle ?  +        Element.childrenWithClassName(e, options.handle)[0] : e;     +      options.draggables.push( +        new Draggable(e, Object.extend(options_for_draggable, { handle: handle }))); +      Droppables.add(e, options_for_droppable); +      if(options.tree) e.treeNode = element; +      options.droppables.push(e);       +    }); +     +    if(options.tree) { +      (Sortable.findTreeElements(element, options) || []).each( function(e) { +        Droppables.add(e, options_for_tree); +        e.treeNode = element; +        options.droppables.push(e); +      }); +    } + +    // keep reference +    this.sortables[element.id] = options; + +    // for onupdate +    Draggables.addObserver(new SortableObserver(element, options.onUpdate)); + +  }, + +  // return all suitable-for-sortable elements in a guaranteed order +  findElements: function(element, options) { +    return Element.findChildren( +      element, options.only, options.tree ? true : false, options.tag); +  }, +   +  findTreeElements: function(element, options) { +    return Element.findChildren( +      element, options.only, options.tree ? true : false, options.treeTag); +  }, + +  onHover: function(element, dropon, overlap) { +    if(Element.isParent(dropon, element)) return; + +    if(overlap > .33 && overlap < .66 && Sortable.options(dropon).tree) { +      return; +    } else if(overlap>0.5) { +      Sortable.mark(dropon, 'before'); +      if(dropon.previousSibling != element) { +        var oldParentNode = element.parentNode; +        element.style.visibility = "hidden"; // fix gecko rendering +        dropon.parentNode.insertBefore(element, dropon); +        if(dropon.parentNode!=oldParentNode)  +          Sortable.options(oldParentNode).onChange(element); +        Sortable.options(dropon.parentNode).onChange(element); +      } +    } else { +      Sortable.mark(dropon, 'after'); +      var nextElement = dropon.nextSibling || null; +      if(nextElement != element) { +        var oldParentNode = element.parentNode; +        element.style.visibility = "hidden"; // fix gecko rendering +        dropon.parentNode.insertBefore(element, nextElement); +        if(dropon.parentNode!=oldParentNode)  +          Sortable.options(oldParentNode).onChange(element); +        Sortable.options(dropon.parentNode).onChange(element); +      } +    } +  }, +   +  onEmptyHover: function(element, dropon, overlap) { +    var oldParentNode = element.parentNode; +    var droponOptions = Sortable.options(dropon); +         +    if(!Element.isParent(dropon, element)) { +      var index; +       +      var children = Sortable.findElements(dropon, {tag: droponOptions.tag, only: droponOptions.only}); +      var child = null; +             +      if(children) { +        var offset = Element.offsetSize(dropon, droponOptions.overlap) * (1.0 - overlap); +         +        for (index = 0; index < children.length; index += 1) { +          if (offset - Element.offsetSize (children[index], droponOptions.overlap) >= 0) { +            offset -= Element.offsetSize (children[index], droponOptions.overlap); +          } else if (offset - (Element.offsetSize (children[index], droponOptions.overlap) / 2) >= 0) { +            child = index + 1 < children.length ? children[index + 1] : null; +            break; +          } else { +            child = children[index]; +            break; +          } +        } +      } +       +      dropon.insertBefore(element, child); +       +      Sortable.options(oldParentNode).onChange(element); +      droponOptions.onChange(element); +    } +  }, + +  unmark: function() { +    if(Sortable._marker) Element.hide(Sortable._marker); +  }, + +  mark: function(dropon, position) { +    // mark on ghosting only +    var sortable = Sortable.options(dropon.parentNode); +    if(sortable && !sortable.ghosting) return;  + +    if(!Sortable._marker) { +      Sortable._marker = $('dropmarker') || document.createElement('DIV'); +      Element.hide(Sortable._marker); +      Element.addClassName(Sortable._marker, 'dropmarker'); +      Sortable._marker.style.position = 'absolute'; +      document.getElementsByTagName("body").item(0).appendChild(Sortable._marker); +    }     +    var offsets = Position.cumulativeOffset(dropon); +    Sortable._marker.style.left = offsets[0] + 'px'; +    Sortable._marker.style.top = offsets[1] + 'px'; +     +    if(position=='after') +      if(sortable.overlap == 'horizontal')  +        Sortable._marker.style.left = (offsets[0]+dropon.clientWidth) + 'px'; +      else +        Sortable._marker.style.top = (offsets[1]+dropon.clientHeight) + 'px'; +     +    Element.show(Sortable._marker); +  }, +   +  _tree: function(element, options, parent) { +    var children = Sortable.findElements(element, options) || []; +   +    for (var i = 0; i < children.length; ++i) { +      var match = children[i].id.match(options.format); + +      if (!match) continue; +       +      var child = { +        id: encodeURIComponent(match ? match[1] : null), +        element: element, +        parent: parent, +        children: new Array, +        position: parent.children.length, +        container: Sortable._findChildrenElement(children[i], options.treeTag.toUpperCase()) +      } +       +      /* Get the element containing the children and recurse over it */ +      if (child.container) +        this._tree(child.container, options, child) +       +      parent.children.push (child); +    } + +    return parent;  +  }, + +  /* Finds the first element of the given tag type within a parent element. +    Used for finding the first LI[ST] within a L[IST]I[TEM].*/ +  _findChildrenElement: function (element, containerTag) { +    if (element && element.hasChildNodes) +      for (var i = 0; i < element.childNodes.length; ++i) +        if (element.childNodes[i].tagName == containerTag) +          return element.childNodes[i]; +   +    return null; +  }, + +  tree: function(element) { +    element = $(element); +    var sortableOptions = this.options(element); +    var options = Object.extend({ +      tag: sortableOptions.tag, +      treeTag: sortableOptions.treeTag, +      only: sortableOptions.only, +      name: element.id, +      format: sortableOptions.format +    }, arguments[1] || {}); +     +    var root = { +      id: null, +      parent: null, +      children: new Array, +      container: element, +      position: 0 +    } +     +    return Sortable._tree (element, options, root); +  }, + +  /* Construct a [i] index for a particular node */ +  _constructIndex: function(node) { +    var index = ''; +    do { +      if (node.id) index = '[' + node.position + ']' + index; +    } while ((node = node.parent) != null); +    return index; +  }, + +  sequence: function(element) { +    element = $(element); +    var options = Object.extend(this.options(element), arguments[1] || {}); +     +    return $(this.findElements(element, options) || []).map( function(item) { +      return item.id.match(options.format) ? item.id.match(options.format)[1] : ''; +    }); +  }, + +  setSequence: function(element, new_sequence) { +    element = $(element); +    var options = Object.extend(this.options(element), arguments[2] || {}); +     +    var nodeMap = {}; +    this.findElements(element, options).each( function(n) { +        if (n.id.match(options.format)) +            nodeMap[n.id.match(options.format)[1]] = [n, n.parentNode]; +        n.parentNode.removeChild(n); +    }); +    +    new_sequence.each(function(ident) { +      var n = nodeMap[ident]; +      if (n) { +        n[1].appendChild(n[0]); +        delete nodeMap[ident]; +      } +    }); +  }, +   +  serialize: function(element) { +    element = $(element); +    var options = Object.extend(Sortable.options(element), arguments[1] || {}); +    var name = encodeURIComponent( +      (arguments[1] && arguments[1].name) ? arguments[1].name : element.id); +     +    if (options.tree) { +      return Sortable.tree(element, arguments[1]).children.map( function (item) { +        return [name + Sortable._constructIndex(item) + "[id]=" +  +                encodeURIComponent(item.id)].concat(item.children.map(arguments.callee)); +      }).flatten().join('&'); +    } else { +      return Sortable.sequence(element, arguments[1]).map( function(item) { +        return name + "[]=" + encodeURIComponent(item); +      }).join('&'); +    } +  } +} + +/* Returns true if child is contained within element */ +Element.isParent = function(child, element) { +  if (!child.parentNode || child == element) return false; + +  if (child.parentNode == element) return true; + +  return Element.isParent(child.parentNode, element); +} + +Element.findChildren = function(element, only, recursive, tagName) {     +  if(!element.hasChildNodes()) return null; +  tagName = tagName.toUpperCase(); +  if(only) only = [only].flatten(); +  var elements = []; +  $A(element.childNodes).each( function(e) { +    if(e.tagName && e.tagName.toUpperCase()==tagName && +      (!only || (Element.classNames(e).detect(function(v) { return only.include(v) })))) +        elements.push(e); +    if(recursive) { +      var grandchildren = Element.findChildren(e, only, recursive, tagName); +      if(grandchildren) elements.push(grandchildren); +    } +  }); + +  return (elements.length>0 ? elements.flatten() : []); +} + +Element.offsetSize = function (element, type) { +  if (type == 'vertical' || type == 'height') +    return element.offsetHeight; +  else +    return element.offsetWidth; +} + +// Copyright (c) 2005 Marty Haught, Thomas Fuchs  +// +// See http://script.aculo.us for more info +//  +// Permission is hereby granted, free of charge, to any person obtaining +// a copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to +// permit persons to whom the Software is furnished to do so, subject to +// the following conditions: +//  +// The above copyright notice and this permission notice shall be +// included in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +if(!Control) var Control = {}; +Control.Slider = Class.create(); + +// options: +//  axis: 'vertical', or 'horizontal' (default) +// +// callbacks: +//  onChange(value) +//  onSlide(value) +Control.Slider.prototype = { +  initialize: function(handle, track, options) { +    var slider = this; +     +    if(handle instanceof Array) { +      this.handles = handle.collect( function(e) { return $(e) }); +    } else { +      this.handles = [$(handle)]; +    } +     +    this.track   = $(track); +    this.options = options || {}; + +    this.axis      = this.options.axis || 'horizontal'; +    this.increment = this.options.increment || 1; +    this.step      = parseInt(this.options.step || '1'); +    this.range     = this.options.range || $R(0,1); +     +    this.value     = 0; // assure backwards compat +    this.values    = this.handles.map( function() { return 0 }); +    this.spans     = this.options.spans ? this.options.spans.map(function(s){ return $(s) }) : false; +    this.options.startSpan = $(this.options.startSpan || null); +    this.options.endSpan   = $(this.options.endSpan || null); + +    this.restricted = this.options.restricted || false; + +    this.maximum   = this.options.maximum || this.range.end; +    this.minimum   = this.options.minimum || this.range.start; + +    // Will be used to align the handle onto the track, if necessary +    this.alignX = parseInt(this.options.alignX || '0'); +    this.alignY = parseInt(this.options.alignY || '0'); +     +    this.trackLength = this.maximumOffset() - this.minimumOffset(); + +    this.handleLength = this.isVertical() ?  +      (this.handles[0].offsetHeight != 0 ?  +        this.handles[0].offsetHeight : this.handles[0].style.height.replace(/px$/,"")) :  +      (this.handles[0].offsetWidth != 0 ? this.handles[0].offsetWidth :  +        this.handles[0].style.width.replace(/px$/,"")); + +    this.active   = false; +    this.dragging = false; +    this.disabled = false; + +    if(this.options.disabled) this.setDisabled(); + +    // Allowed values array +    this.allowedValues = this.options.values ? this.options.values.sortBy(Prototype.K) : false; +    if(this.allowedValues) { +      this.minimum = this.allowedValues.min(); +      this.maximum = this.allowedValues.max(); +    } + +    this.eventMouseDown = this.startDrag.bindAsEventListener(this); +    this.eventMouseUp   = this.endDrag.bindAsEventListener(this); +    this.eventMouseMove = this.update.bindAsEventListener(this); + +    // Initialize handles in reverse (make sure first handle is active) +    this.handles.each( function(h,i) { +      i = slider.handles.length-1-i; +      slider.setValue(parseFloat( +        (slider.options.sliderValue instanceof Array ?  +          slider.options.sliderValue[i] : slider.options.sliderValue) ||  +         slider.range.start), i); +      Element.makePositioned(h); // fix IE +      Event.observe(h, "mousedown", slider.eventMouseDown); +    }); +     +    Event.observe(this.track, "mousedown", this.eventMouseDown); +    Event.observe(document, "mouseup", this.eventMouseUp); +    Event.observe(document, "mousemove", this.eventMouseMove); +     +    this.initialized = true; +  }, +  dispose: function() { +    var slider = this;     +    Event.stopObserving(this.track, "mousedown", this.eventMouseDown); +    Event.stopObserving(document, "mouseup", this.eventMouseUp); +    Event.stopObserving(document, "mousemove", this.eventMouseMove); +    this.handles.each( function(h) { +      Event.stopObserving(h, "mousedown", slider.eventMouseDown); +    }); +  }, +  setDisabled: function(){ +    this.disabled = true; +  }, +  setEnabled: function(){ +    this.disabled = false; +  },   +  getNearestValue: function(value){ +    if(this.allowedValues){ +      if(value >= this.allowedValues.max()) return(this.allowedValues.max()); +      if(value <= this.allowedValues.min()) return(this.allowedValues.min()); +       +      var offset = Math.abs(this.allowedValues[0] - value); +      var newValue = this.allowedValues[0]; +      this.allowedValues.each( function(v) { +        var currentOffset = Math.abs(v - value); +        if(currentOffset <= offset){ +          newValue = v; +          offset = currentOffset; +        }  +      }); +      return newValue; +    } +    if(value > this.range.end) return this.range.end; +    if(value < this.range.start) return this.range.start; +    return value; +  }, +  setValue: function(sliderValue, handleIdx){ +    if(!this.active) { +      this.activeHandleIdx = handleIdx || 0; +      this.activeHandle    = this.handles[this.activeHandleIdx]; +      this.updateStyles(); +    } +    handleIdx = handleIdx || this.activeHandleIdx || 0; +    if(this.initialized && this.restricted) { +      if((handleIdx>0) && (sliderValue<this.values[handleIdx-1])) +        sliderValue = this.values[handleIdx-1]; +      if((handleIdx < (this.handles.length-1)) && (sliderValue>this.values[handleIdx+1])) +        sliderValue = this.values[handleIdx+1]; +    } +    sliderValue = this.getNearestValue(sliderValue); +    this.values[handleIdx] = sliderValue; +    this.value = this.values[0]; // assure backwards compat +     +    this.handles[handleIdx].style[this.isVertical() ? 'top' : 'left'] =  +      this.translateToPx(sliderValue); +     +    this.drawSpans(); +    if(!this.dragging || !this.event) this.updateFinished(); +  }, +  setValueBy: function(delta, handleIdx) { +    this.setValue(this.values[handleIdx || this.activeHandleIdx || 0] + delta,  +      handleIdx || this.activeHandleIdx || 0); +  }, +  translateToPx: function(value) { +    return Math.round( +      ((this.trackLength-this.handleLength)/(this.range.end-this.range.start)) *  +      (value - this.range.start)) + "px"; +  }, +  translateToValue: function(offset) { +    return ((offset/(this.trackLength-this.handleLength) *  +      (this.range.end-this.range.start)) + this.range.start); +  }, +  getRange: function(range) { +    var v = this.values.sortBy(Prototype.K);  +    range = range || 0; +    return $R(v[range],v[range+1]); +  }, +  minimumOffset: function(){ +    return(this.isVertical() ? this.alignY : this.alignX); +  }, +  maximumOffset: function(){ +    return(this.isVertical() ?  +      (this.track.offsetHeight != 0 ? this.track.offsetHeight : +        this.track.style.height.replace(/px$/,"")) - this.alignY :  +      (this.track.offsetWidth != 0 ? this.track.offsetWidth :  +        this.track.style.width.replace(/px$/,"")) - this.alignY); +  },   +  isVertical:  function(){ +    return (this.axis == 'vertical'); +  }, +  drawSpans: function() { +    var slider = this; +    if(this.spans) +      $R(0, this.spans.length-1).each(function(r) { slider.setSpan(slider.spans[r], slider.getRange(r)) }); +    if(this.options.startSpan) +      this.setSpan(this.options.startSpan, +        $R(0, this.values.length>1 ? this.getRange(0).min() : this.value )); +    if(this.options.endSpan) +      this.setSpan(this.options.endSpan,  +        $R(this.values.length>1 ? this.getRange(this.spans.length-1).max() : this.value, this.maximum)); +  }, +  setSpan: function(span, range) { +    if(this.isVertical()) { +      span.style.top = this.translateToPx(range.start); +      span.style.height = this.translateToPx(range.end - range.start + this.range.start); +    } else { +      span.style.left = this.translateToPx(range.start); +      span.style.width = this.translateToPx(range.end - range.start + this.range.start); +    } +  }, +  updateStyles: function() { +    this.handles.each( function(h){ Element.removeClassName(h, 'selected') }); +    Element.addClassName(this.activeHandle, 'selected'); +  }, +  startDrag: function(event) { +    if(Event.isLeftClick(event)) { +      if(!this.disabled){ +        this.active = true; +         +        var handle = Event.element(event); +        var pointer  = [Event.pointerX(event), Event.pointerY(event)]; +        var track = handle; +        if(track==this.track) { +          var offsets  = Position.cumulativeOffset(this.track);  +          this.event = event; +          this.setValue(this.translateToValue(  +           (this.isVertical() ? pointer[1]-offsets[1] : pointer[0]-offsets[0])-(this.handleLength/2) +          )); +          var offsets  = Position.cumulativeOffset(this.activeHandle); +          this.offsetX = (pointer[0] - offsets[0]); +          this.offsetY = (pointer[1] - offsets[1]); +        } else { +          // find the handle (prevents issues with Safari) +          while((this.handles.indexOf(handle) == -1) && handle.parentNode)  +            handle = handle.parentNode; +         +          this.activeHandle    = handle; +          this.activeHandleIdx = this.handles.indexOf(this.activeHandle); +          this.updateStyles(); +         +          var offsets  = Position.cumulativeOffset(this.activeHandle); +          this.offsetX = (pointer[0] - offsets[0]); +          this.offsetY = (pointer[1] - offsets[1]); +        } +      } +      Event.stop(event); +    } +  }, +  update: function(event) { +   if(this.active) { +      if(!this.dragging) this.dragging = true; +      this.draw(event); +      // fix AppleWebKit rendering +      if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0); +      Event.stop(event); +   } +  }, +  draw: function(event) { +    var pointer = [Event.pointerX(event), Event.pointerY(event)]; +    var offsets = Position.cumulativeOffset(this.track); +    pointer[0] -= this.offsetX + offsets[0]; +    pointer[1] -= this.offsetY + offsets[1]; +    this.event = event; +    this.setValue(this.translateToValue( this.isVertical() ? pointer[1] : pointer[0] )); +    if(this.initialized && this.options.onSlide) +      this.options.onSlide(this.values.length>1 ? this.values : this.value, this); +  }, +  endDrag: function(event) { +    if(this.active && this.dragging) { +      this.finishDrag(event, true); +      Event.stop(event); +    } +    this.active = false; +    this.dragging = false; +  },   +  finishDrag: function(event, success) { +    this.active = false; +    this.dragging = false; +    this.updateFinished(); +  }, +  updateFinished: function() { +    if(this.initialized && this.options.onChange)  +      this.options.onChange(this.values.length>1 ? this.values : this.value, this); +    this.event = null; +  } +} + +/**
 + * Auto complete textbox via AJAX.
 + */
 +Prado.AutoCompleter = Class.create();
 +
 +
 +/**
 + * Overrides parent implementation of updateElement by trimming the value.
 + */
 +Prado.AutoCompleter.Base = function(){};
 +Prado.AutoCompleter.Base.prototype = Object.extend(Autocompleter.Base.prototype,
 +{
 +  updateElement: function(selectedElement) 
 +  {
 +    if (this.options.updateElement) {
 +      this.options.updateElement(selectedElement);
 +      return;
 +    }
 +
 +    var value = Element.collectTextNodesIgnoreClass(selectedElement, 'informal');
 +    var lastTokenPos = this.findLastToken();
 +    if (lastTokenPos != -1) {
 +      var newValue = this.element.value.substr(0, lastTokenPos + 1);
 +      var whitespace = this.element.value.substr(lastTokenPos + 1).match(/^\s+/);
 +      if (whitespace)
 +        newValue += whitespace[0];
 +      this.element.value = (newValue + value).trim();
 +    } else {
 +      this.element.value = value.trim();
 +    }
 +    this.element.focus();
 +    
 +    if (this.options.afterUpdateElement)
 +      this.options.afterUpdateElement(this.element, selectedElement);
 +  }
 +});
 +
 +/**
 + * Based on the Prototype Autocompleter class.
 + * This client-side component should be instantiated from a Prado component.
 + * Usage: <t>new Prado.AutoCompleter('textboxID', 'updateDivID', {callbackID : '...'});
 + */
 +Prado.AutoCompleter.prototype = Object.extend(new Autocompleter.Base(),
 +{
 +	/**
 +	 * This component is initialized by
 +	 * <code>new Prado.AutoCompleter(...)</code>
 +	 * @param string the ID of the textbox element to observe
 +	 * @param string the ID of the div to display the auto-complete options
 +	 * @param array a hash of options, e.g. auto-completion token separator.
 +	 */
 +	initialize : function(element, update, options)
 +	{
 +		this.baseInitialize(element, update, options);
 +	},
 +
 +	/**
 +	 * The callback function, i.e., function called on successful AJAX return.
 +	 * Calls update choices in the Autocompleter.
 +	 * @param string new auto-complete options for display
 +	 */
 +	onUpdateReturn : function(result)
 +	{
 +		if(isString(result) && result.length > 0)
 +			this.updateChoices(result);
 +	},
 +
 +	/**
 +	 * Requesting new choices using Prado's client-side callback scheme.
 +	 */
 +	getUpdatedChoices : function()
 +	{
 +		Prado.Callback(this.element.id, this.getToken(), this.onUpdateReturn.bind(this));
 +	}
 +});
 +
 +/**
 + * Prado TActivePanel client javascript. Usage
 + * <code>
 + * Prado.ActivePanel.register("id", options);
 + * Prado.ActivePanel.update("id", "hello");
 + * </code>
 + */
 +Prado.ActivePanel =
 +{
 +	callbacks : {},
 +
 +	register : function(id, options)
 +	{
 +		Prado.ActivePanel.callbacks[id] = options;
 +	},
 +
 +	update : function(id, param)
 +	{
 +		var request = new Prado.ActivePanel.Request(id,
 +						Prado.ActivePanel.callbacks[id]);
 +		request.callback(param);
 +	}
 +}
 +
 +/**
 + * Client-script for TActivePanel. Uses Callback to notify the server
 + * for updates, if update option is set, the innerHTML of the update ID
 + * is set to the returned output.
 + */
 +Prado.ActivePanel.Request = Class.create();
 +Prado.ActivePanel.Request.prototype =
 +{
 +	initialize : function(element, options)
 +	{
 +		this.element = element;
 +		this.setOptions(options);
 +	},
 +
 +	/**
 +	 * Set some options.
 +	 */
 +	setOptions : function(options)
 +	{
 +		this.options =
 +		{
 +			onSuccess : this.onSuccess.bind(this)
 +		}
 +		Object.extend(this.options, options || {});
 +	},
 +
 +	/**
 +	 * Make the callback request
 +	 */
 +	callback : function(param)
 +	{
 +		this.options.params = [param];
 +		new Prado.AJAX.Callback(this.element, this.options);
 +	},
 +
 +	/**
 +	 * Callback onSuccess handler, update the element innerHTML if necessary
 +	 */
 +	onSuccess : function(result, output)
 +	{
 +		if(this.options.update)
 +		{
 +			if (!this.options.evalScripts)
 +				output = output.stripScripts();
 +			Element.update(this.options.update, output);
 +		}
 +	}
 +}
 +
 +/**
 + * Drop container to accept draggable component drops.
 + */
 +Prado.DropContainer = Class.create();
 +Prado.DropContainer.prototype = Object.extend(new Prado.ActivePanel.Request(),
 +{
 +	initialize : function(element, options)
 +	{
 +		this.element = element;
 +		this.setOptions(options);
 +		Object.extend(this.options,
 +		{
 +			onDrop : this.onDrop.bind(this),
 +			evalScripts : true,
 +			onSuccess : options.onSuccess || this.onSuccess.bind(this)
 +		});
 +		Droppables.add(element, this.options);
 +	},
 +
 +	onDrop : function(draggable, droppable)
 +	{
 +		this.callback(draggable.id)
 +	}
 +});
 +
 +Prado.ActiveImageButton = Class.create();
 +Prado.ActiveImageButton.prototype = 
 +{
 +	initialize : function(element, options)
 +	{
 +		this.element = $(element);
 +		this.options = options;
 +		Event.observe(this.element, "click", this.click.bind(this));
 +	},
 +
 +	click : function(e)
 +	{
 +		var el = $('{$this->ClientID}');
 +		var imagePos = Position.cumulativeOffset(this.element);
 +		var clickedPos = [e.clientX, e.clientY];
 +		var param = (clickedPos[0]-imagePos[0]+1)+","+(clickedPos[1]-imagePos[1]+1);
 +		Prado.Callback(this.element, param, null, this.options);
 +		Event.stop(e);
 +	}
 +}
 +
 +
 + +  | 
