move method parameter from event object to calendar object

method paramter should be on the calendar object
http://www.kanzaki.com/docs/ical/method.html

lib/calendar.js

@@ -8,10 +8,14 @@
  */
 var ICalCalendar = function(_data) {
     var data = {},
-        attributes = ['domain', 'prodId', 'name', 'description', 'timezone', 'ttl', 'url', 'events'],
+        attributes = ['domain', 'prodId', 'method', 'name', 'description', 'timezone', 'ttl', 'url', 'events'],
+        vars,
         generate,
         i;
 
+    vars = {
+        allowedMethods: ['PUBLISH', 'REQUEST', 'REPLY', 'ADD', 'CANCEL', 'REFRESH', 'COUNTER', 'DECLINECOUNTER']
+    };
 
     generate = function(calendar) {
         var tools = require('./_tools.js'),
@@ -28,6 +32,11 @@ var ICalCalendar = function(_data) {
             g += 'URL:' + data.url + '\r\n';
         }
 
+        // METHOD
+        if(data.method) {
+            g += 'METHOD:' + data.method + '\r\n';
+        }
+
         // NAME
         if(data.name) {
             g += 'NAME:' + data.name + '\r\n';
@@ -172,6 +181,31 @@ var ICalCalendar = function(_data) {
     };
 
 
+    /**
+     * Set/Get your feed's method
+     *
+     * @param {String} method
+     * @since 0.2.0
+     * @returns {ICalEvent|String}
+     */
+    this.method = function(method) {
+        if(method === undefined) {
+            return data.method;
+        }
+        if(!method) {
+            data.method = null;
+            return this;
+        }
+
+        if(vars.allowedMethods.indexOf(method.toUpperCase()) === -1) {
+            throw '`method` must be one of the following: ' + vars.allowedMethods.join(', ') + '!';
+        }
+
+        data.method = method.toUpperCase();
+        return this;
+    };
+
+
     /**
      * Set your feed's name…
      *
@@ -450,6 +484,7 @@ var ICalCalendar = function(_data) {
     this.clear = function() {
         data.domain = require('os').hostname();
         data.prodid = '//sebbo.net//ical-generator//EN';
+        data.method = null;
         data.name = null;
         data.timezone = null;
         data.ttl = null;

lib/event.js

@@ -7,7 +7,7 @@
  * @constructor ICalEvent Event
  */
 var ICalEvent = function(_data, calendar) {
-    var attributes = ['id', 'uid', 'sequence', 'start', 'end', 'timezone', 'stamp', 'timestamp', 'allDay', 'floating', 'repeating', 'summary', 'location', 'description', 'organizer', 'attendees', 'alarms', 'method', 'status', 'url'],
+    var attributes = ['id', 'uid', 'sequence', 'start', 'end', 'timezone', 'stamp', 'timestamp', 'allDay', 'floating', 'repeating', 'summary', 'location', 'description', 'organizer', 'attendees', 'alarms', 'status', 'url'],
         vars,
         i,
         data;
@@ -17,7 +17,6 @@ var ICalEvent = function(_data, calendar) {
     }
 
     vars = {
-        allowedMethods: ['PUBLISH', 'REQUEST', 'REPLY', 'ADD', 'CANCEL', 'REFRESH', 'COUNTER', 'DECLINECOUNTER'],
         allowedRepeatingFreq: ['SECONDLY', 'MINUTELY', 'HOURLY', 'DAILY', 'WEEKLY', 'MONTHLY', 'YEARLY'],
         allowedStatuses: ['CONFIRMED', 'TENATIVE', 'CANCELLED']
     };
@@ -38,7 +37,6 @@ var ICalEvent = function(_data, calendar) {
         organizer: null,
         attendees: [],
         alarms: [],
-        method: null,
         status: null,
         url: null
     };
@@ -541,31 +539,6 @@ var ICalEvent = function(_data, calendar) {
     };
 
 
-    /**
-     * Set/Get the event's method
-     *
-     * @param {String} method
-     * @since 0.2.0
-     * @returns {ICalEvent|String}
-     */
-    this.method = function(method) {
-        if(method === undefined) {
-            return data.method;
-        }
-        if(!method) {
-            data.method = null;
-            return this;
-        }
-
-        if(vars.allowedMethods.indexOf(method.toUpperCase()) === -1) {
-            throw '`method` must be one of the following: ' + vars.allowedMethods.join(', ') + '!';
-        }
-
-        data.method = method.toUpperCase();
-        return this;
-    };
-
-
     /**
      * Set/Get the event's status
      *
@@ -728,10 +701,7 @@ var ICalEvent = function(_data, calendar) {
             g += 'URL;VALUE=URI:' + tools.escape(data.url) + '\r\n';
         }
 
-        // METHOD & STATUS
-        if(data.method) {
-            g += 'METHOD:' + data.method.toUpperCase() + '\r\n';
-        }
+        // STATUS
         if(data.status) {
             g += 'STATUS:' + data.status.toUpperCase() + '\r\n';
         }