![]() #PHOENIX LIVEVIEW FORM UPDATE#We’re now able to update album data and display validations using Phoenix LiveView. Then if we try a single character we see another error - our album summary should be at least 3 characters. Now let’s try submitting an empty summary and we get an error - album summary can’t be blank. Great - our album was updated and our flash message was displayed. Lytt til Dealing With Perfectionism As A Developer fra Remote Ruby direkte på mobilen din, surfetavlen eller nettleseren - ingen nedlastinger nødvendig. Also, Jason and Chris challenge Andrew to do the typing speed test before the end of this episo. Let’s go ahead and update the summary and then when we submit our form. 00:02:49 Jason and Andrew have been working on some GitHub actions and what’s been going on with that. Then let’s go back to the browser and then we’ll select an album’s summary that we want to edit. ![]() Let’s also update our mount so the initial editable_id is nil. We’ll update our socket assigns to include the editable_id of the album that was clicked. Who doesnt like a real-time chart or graph As another example of JS interop, in this example we use Chart.js with a LiveView. Its a handy pro-level technique you wont want to miss 23 Real-Time Charting with JS. Then inside the function, let’s convert our album_id from a string to an integer. LiveView has a solution: you can validate the form in the LiveView and trigger a Phoenix controller action for handling the form. It also will some parameters, which we can ignore here since we wont use it and the socket. Let’s open our AlbumLive.Index module and we’ll define a handle_event pattern matching on the “edit” string and our album ID. Now that we’ve updated our template, we’ll need to add the corresponding handle_event callback in our Live View module. Template path: lib/teacher_web/templates/album/. It also looks like we have a missing “do” in our if statement, let’s go ahead and add that. This way we can pattern match to get the ID of the album we want to make editable. Phoenix LiveView comes with event bindings, let’s use the phx-click event binding here and for the event name, let’s use “edit” followed by the album’s ID. Now in order for an album to become editable, our users will need to click on it. Otherwise, let’s display our album’s summary. I’ll go ahead and paste in our form for an album’s summary. We’ll open our album live view template and where we’re displaying each of our albums, let’s update it so that if there’s an that matches an album’s ID we’ll render a form to edit an album’s summary. We’ll want it so that when a user clicks on an album’s summary, it becomes editable. Let’s update our albums so that users can edit them, right here form the index page. Beeville British Airways AXIS Q6044-E Network Camera: Live View Setup. Now let’s build some additional features leveraging LiveView. Fuel Forms 5 miles north of the U Japan / Akita Prefecture For the filling. In episioode #87 we configured an existing application to use Phoenix LiveView and updated our album page to use it. #PHOENIX LIVEVIEW FORM INSTALL#Install the dependency in your mix.exs file:ĭef deps do [ = MyApp. The following steps are detailed in Phoenix LiveView Readme. Let’s get LiveView up and running to support a feature that pushes out live updates as our server enacts a step-by-step process of creating a GitHub repo. Phoenix LiveView feels like a perfect fit for the 90% of the time that you do want some live updates but don’t actually need the wrecking ball of many modern JS frameworks. ![]() If you’ve waded through an overly complex SPA that Reduxes all the things (for example), you’ve felt the maintenance and iteration costs that often accompany all that fancy JavaScript. LiveView powered applications are stateful on the server with bidirectional communication via WebSockets, offering a vastly simplified programming model compared to JavaScript alternatives. Phoenix LiveView is an exciting new library which enables rich, real-time user experiences with server-rendered HTML. Keep in mind that the library is still a release candidate and as such, is subject to change.Ĭhris McCord said it best in his announcement back in December: Phoenix LiveView is brand brand new so I thought I’d provide a short write-up of a super simple demo I built for anyone looking to get up and running. ![]() If you’re sick to death of writing JS (I had a bad day with Redux, don’t ask), then this is the library for you! It’s here! Phoenix LiveView leverages server-rendered HTML and Phoenix’s native WebSocket tooling so you can build fancy real-time features without all that complicated JavaScript. ![]()
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