javascript - Loading data into model by id-Extjs -

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im trying use direct store in extjs
heres code store

ext.define('ide.store.files', {     extend: 'ext.data.store',     proxy: {         type: 'direct',         api: {             create:files.addnew,             read:files.getfile,             update:files.update,             destroy:files.delete,             //load:files.getfile         },         paramorder:'path'     },     model:'ide.model.file' })

the code model 

ext.define('ide.model.file', {     extend: 'ext.data.model',     fields: [         { name: 'path', type: 'string' },         { name: 'name', type: 'string' },         { name: 'extention', type: 'string' },         { name: 'content', type: 'string' }     ],     idproperty:'path',     store:'ide.store.files' })

as can see idproperty path
following code segment giving error

//this.getstore('ide.store.files').load(path, { sucess: function (file) { //                console.log(file.get('content'));            //            } }); this.getstore('ide.store.files').load(path);

here im getting path somewhere , trying load file particular path error is

 ext.data.proxy.direct.dorequest(): no direct function specified proxy

now problem documentation of extjs isnt enough , everywhere searched see 4 api in api object of proxy.
1.create
2.read
3.update
4.destroy

api missing ? or
need give direct function load()

there multiple problems figure out code putting here of community.
1. way calling load function correct.. , doest takes parameter whole object scope , callback mayb error saying http://docs.sencha.com/ext-js/4-0/#!/api/ext.data.store-method-load
2. if remove api.. , use directfn config option appears work..

code:

ext.define('ide.store.files', {     extend: 'ext.data.store',     proxy: {         type: 'direct',         directfn: files.getfile, // <--- new line of code         api: {             create:files.addnew,             //read:files.getfile, // <--- old line of code             update:files.update,             destroy:files.delete         },         paramorder:'path'     },     model:'ide.model.file' })

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