reactjs - How to use the property of an object as a source in the admin-on-rest? -


my friends. want add field associated resource here: https://marmelab.com/admin-on-rest/tutorial.html#relationships

but problem field id of other resource contain in object:

{ "id": 1,  ....,  user: {      id: "12313123"  } }

what can in situation? understand can create own "filelds", how can create own "referencefield"? need "source" property contain this:

       <referencefield label="user" source="user.id" reference="users">             <textfield source="name" />         </referencefield>

i'm not familiar admin-on-rest framework, documentation seems possibly create custom textfield relatively simply. maybe similar thing creating custom referencefield.

import 'lodash.get'; // safe access of nested data  const postuserfield = ({record}) => {    // "record" post object in example    return (       <referencefield label="user" source={ get('user.id', record) } reference="users">         <textfield source="name" />      </referencefield>    ); }

and call 

// inside other component.. <postuserfield />

if doesn't work, try see if overwrite record prop in custom component, access no longer nested. in contex, id point same property user.id. 

const postuserfield = ({record}) => {    // "record" post object in example    // prepare record reference field, removing    // nesting    const unnesteduser = record.user;    return (       <referencefield record={ unnesteduser } label="user" source="id" reference="users">         <textfield source="name" />      </referencefield>    ); }

actually, @ problem again.. sure need referencefield fetch user id (user.id)? because post seem have user data. solve custom textfield like:

import 'lodash.get'; // "record" still post object. since data on // post object (in user.name) , can print directly const postusername = ({record }) => <span>{get(record, 'user.name')}</span>;

Comments

Post a Comment

Popular posts from this blog

resizing Telegram inline keyboard -

telegram's inline keyboard great feature lots of different use cases. inline buttons added list of items this: inline_keyboard = [[inlinekeyboardbutton(text="button", callback_data="button"), inlinekeyboardbutton(text="reset",callback_data="reset")]] inline_keyboard_markup = inlinekeyboardmarkup(inline_keyboard) update.message.reply_text("hi", reply_markup=inline_keyboard_markup) the above code adds 2 buttons each half width of chat screen. i know the normal keyboard button there resize_keyboard parameter somehow can used. my question is there way resize inline buttons ? example make full width or quarter width. unfortunately, can't now. :( you can suggest @botsupport , might add feature next version.
Read more

javascript - How to bind ViewModel Store to View? -

i'm pretty new ext js , trying embed multiselect inside panel . the viewmodel has stores property can see here: ext.define('test.view.controls.search.searchfiltermodel', { extend: 'ext.app.viewmodel', alias: 'viewmodel.filter', data: { title: '' }, stores: { test: { fields: [ 'id', 'name' ], proxy: { type: 'ajax', url: 'api/test', reader: 'array' }, autoload: true } } }); i bind in view this: viewmodel: { type: 'filter' }, layout: 'fit', border: 1, plain: true, scrollable: 'y', layout: 'fit', bind: { title: '{title}', }, items: { xtype: 'multiselect', scrollable: false, allowblank: true, ddreorder: true, bind: { store: '{test}' }, valuefield: 'id', displayfield: 'name' } ...
Read more

c - Why does alarm() cause fgets() to stop waiting? -

i playing around signals in c. main function asks input using fgets(name, 30, stdin) , , sits there , waits. set alarm alarm(3) , , reassigned sigalrm call function myalarm calls system("say pay attention") . after alarm goes off, fgets() stops waiting input , main fn continues on. happens if change myalarm set variable , nothing it. void myalarm(int sig) { //system("say pay attention"); int x = 0; } int catch_signal(int sig, void (*handler)(int)) { // when signal comes in, "catch" , "handle it" in way want struct sigaction action; // create new sigaction action.sa_handler = handler; // set it's sa_handler attribute function specified in header sigemptyset(&action.sa_mask); // "turn signals in sa_mask off?" "set sa_mask contian no signals, i.e. nothing masked?" action.sa_flags = 0; // not sure, looks aren't using of available flags, whatever may return sigaction(sig, ...
Read more