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(function(tinymce){var PLUGIN_NAME='autosave',RESTORE_DRAFT='autosave',TRUE=true,undefined,unloadHandlerAdded,Dispatcher=tinymce.util.Dispatcher;tinymce.create('tinymce.plugins.AutoSave',{init:function(ed,url){var self=this,settings=ed.settings;self.editor=ed;function parseTime(time){var multipels={s:1000,m:60000};time=/^(\d+)([ms]?)$/.exec(''+time);return(time[2]?multipels[time[2]]:1)*parseInt(time)};tinymce.each({ask_before_unload:false,interval:'30s',retention:'20m',minlength:50},function(value,key){key=PLUGIN_NAME+'_'+key;if(settings[key]===undefined)settings[key]=value});settings.autosave_interval=parseTime(settings.autosave_interval);settings.autosave_retention=parseTime(settings.autosave_retention);ed.addButton(RESTORE_DRAFT,{title:PLUGIN_NAME+".restore_content",onclick:function(){if(ed.getContent({draft:true}).replace(/\s| |<\/?p[^>]*>|<br[^>]*>/gi,"").length>0){ed.windowManager.confirm(PLUGIN_NAME+".warning_message",function(ok){if(ok)self.restoreDraft()})}else self.restoreDraft()}});ed.onNodeChange.add(function(){var controlManager=ed.controlManager;if(controlManager.get(RESTORE_DRAFT))controlManager.setDisabled(RESTORE_DRAFT,!self.hasDraft())});ed.onInit.add(function(){if(ed.controlManager.get(RESTORE_DRAFT)){self.setupStorage(ed);setInterval(function(){self.storeDraft();ed.nodeChanged()},settings.autosave_interval)}});self.onStoreDraft=new Dispatcher(self);self.onRestoreDraft=new Dispatcher(self);self.onRemoveDraft=new Dispatcher(self);if(!unloadHandlerAdded){window.onbeforeunload=tinymce.plugins.AutoSave._beforeUnloadHandler;unloadHandlerAdded=TRUE}},getInfo:function(){return{longname:'Auto save',author:'Moxiecode Systems AB',authorurl:'http://tinymce.moxiecode.com',infourl:'http://wiki.moxiecode.com/index.php/TinyMCE:Plugins/autosave',version:tinymce.majorVersion+"."+tinymce.minorVersion}},getExpDate:function(){return new Date(new Date().getTime()+this.editor.settings.autosave_retention).toUTCString()},setupStorage:function(ed){var self=this,testKey=PLUGIN_NAME+'_test',testVal="OK";self.key=PLUGIN_NAME+ed.id;tinymce.each([function(){if(localStorage){localStorage.setItem(testKey,testVal);if(localStorage.getItem(testKey)===testVal){localStorage.removeItem(testKey);return localStorage}}},function(){if(sessionStorage){sessionStorage.setItem(testKey,testVal);if(sessionStorage.getItem(testKey)===testVal){sessionStorage.removeItem(testKey);return sessionStorage}}},function(){if(tinymce.isIE){ed.getElement().style.behavior="url('#default#userData')";return{autoExpires:TRUE,setItem:function(key,value){var userDataElement=ed.getElement();userDataElement.setAttribute(key,value);userDataElement.expires=self.getExpDate();try{userDataElement.save("TinyMCE")}catch(e){}},getItem:function(key){var userDataElement=ed.getElement();try{userDataElement.load("TinyMCE");return userDataElement.getAttribute(key)}catch(e){return null}},removeItem:function(key){ed.getElement().removeAttribute(key)}}}},],function(setup){try{self.storage=setup();if(self.storage)return false}catch(e){}})},storeDraft:function(){var self=this,storage=self.storage,editor=self.editor,expires,content;if(storage){if(!storage.getItem(self.key)&&!editor.isDirty())return;content=editor.getContent({draft:true});if(content.length>editor.settings.autosave_minlength){expires=self.getExpDate();if(!self.storage.autoExpires)self.storage.setItem(self.key+"_expires",expires);self.storage.setItem(self.key,content);self.onStoreDraft.dispatch(self,{expires:expires,content:content})}}},restoreDraft:function(){var self=this,storage=self.storage,content;if(storage){content=storage.getItem(self.key);if(content){self.editor.setContent(content);self.onRestoreDraft.dispatch(self,{content:content})}}},hasDraft:function(){var self=this,storage=self.storage,expDate,exists;if(storage){exists=!!storage.getItem(self.key);if(exists){if(!self.storage.autoExpires){expDate=new Date(storage.getItem(self.key+"_expires"));if(new Date().getTime()<expDate.getTime())return TRUE;self.removeDraft()}else return TRUE}}return false},removeDraft:function(){var self=this,storage=self.storage,key=self.key,content;if(storage){content=storage.getItem(key);storage.removeItem(key);storage.removeItem(key+"_expires");if(content){self.onRemoveDraft.dispatch(self,{content:content})}}},"static":{_beforeUnloadHandler:function(e){var msg;tinymce.each(tinyMCE.editors,function(ed){if(ed.plugins.autosave)ed.plugins.autosave.storeDraft();if(ed.getParam("fullscreen_is_enabled"))return;if(!msg&&ed.isDirty()&&ed.getParam("autosave_ask_before_unload"))msg=ed.getLang("autosave.unload_msg")});return msg}}});tinymce.PluginManager.add('autosave',tinymce.plugins.AutoSave)})(tinymce);