dir/tinymce/jscripts/tiny_mce/plugins/autosave/editor_plugin.js

(function(e){var c="autosave",g="restoredraft",b=true,f,d,a=e.util.Dispatcher;e.create("tinymce.plugins.AutoSave",{init:function(i,j){var h=this,l=i.settings;h.editor=i;function k(n){var m={s:1000,m:60000};n=/^(\d+)([ms]?)$/.exec(""+n);return(n[2]?m[n[2]]:1)*parseInt(n)}e.each({ask_before_unload:b,interval:"30s",retention:"20m",minlength:50},function(n,m){m=c+"_"+m;if(l[m]===f){l[m]=n}});l.autosave_interval=k(l.autosave_interval);l.autosave_retention=k(l.autosave_retention);i.addButton(g,{title:c+".restore_content",onclick:function(){if(i.getContent().replace(/\s|&nbsp;|<\/?p[^>]*>|<br[^>]*>/gi,"").length>0){i.windowManager.confirm(c+".warning_message",function(m){if(m){h.restoreDraft()}})}else{h.restoreDraft()}}});i.onNodeChange.add(function(){var m=i.controlManager;if(m.get(g)){m.setDisabled(g,!h.hasDraft())}});i.onInit.add(function(){if(i.controlManager.get(g)){h.setupStorage(i);setInterval(function(){h.storeDraft();i.nodeChanged()},l.autosave_interval)}});h.onStoreDraft=new a(h);h.onRestoreDraft=new a(h);h.onRemoveDraft=new a(h);if(!d){window.onbeforeunload=e.plugins.AutoSave._beforeUnloadHandler;d=b}},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:e.majorVersion+"."+e.minorVersion}},getExpDate:function(){return new Date(new Date().getTime()+this.editor.settings.autosave_retention).toUTCString()},setupStorage:function(i){var h=this,k=c+"_test",j="OK";h.key=c+i.id;e.each([function(){if(localStorage){localStorage.setItem(k,j);if(localStorage.getItem(k)===j){localStorage.removeItem(k);return localStorage}}},function(){if(sessionStorage){sessionStorage.setItem(k,j);if(sessionStorage.getItem(k)===j){sessionStorage.removeItem(k);return sessionStorage}}},function(){if(e.isIE){i.getElement().style.behavior="url('#default#userData')";return{autoExpires:b,setItem:function(l,n){var m=i.getElement();m.setAttribute(l,n);m.expires=h.getExpDate();m.save("TinyMCE")},getItem:function(l){var m=i.getElement();m.load("TinyMCE");return m.getAttribute(l)},removeItem:function(l){i.getElement().removeAttribute(l)}}}},],function(l){try{h.storage=l();if(h.storage){return false}}catch(m){}})},storeDraft:function(){var i=this,l=i.storage,j=i.editor,h,k;if(l){if(!l.getItem(i.key)&&!j.isDirty()){return}k=j.getContent();if(k.length>j.settings.autosave_minlength){h=i.getExpDate();if(!i.storage.autoExpires){i.storage.setItem(i.key+"_expires",h)}i.storage.setItem(i.key,k);i.onStoreDraft.dispatch(i,{expires:h,content:k})}}},restoreDraft:function(){var h=this,i=h.storage;if(i){content=i.getItem(h.key);if(content){h.editor.setContent(content);h.onRestoreDraft.dispatch(h,{content:content})}}},hasDraft:function(){var h=this,k=h.storage,i,j;if(k){j=!!k.getItem(h.key);if(j){if(!h.storage.autoExpires){i=new Date(k.getItem(h.key+"_expires"));if(new Date().getTime()<i.getTime()){return b}h.removeDraft()}else{return b}}}return false},removeDraft:function(){var h=this,k=h.storage,i=h.key,j;if(k){j=k.getItem(i);k.removeItem(i);k.removeItem(i+"_expires");if(j){h.onRemoveDraft.dispatch(h,{content:j})}}},"static":{_beforeUnloadHandler:function(h){var i;e.each(tinyMCE.editors,function(j){if(j.plugins.autosave){j.plugins.autosave.storeDraft()}if(j.getParam("fullscreen_is_enabled")){return}if(!i&&j.isDirty()&&j.getParam("autosave_ask_before_unload")){i=j.getLang("autosave.unload_msg")}});return i}}});e.PluginManager.add("autosave",e.plugins.AutoSave)})(tinymce);