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Paulus Schoutsen 2016-04-16 14:59:37 -07:00
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@ -3,7 +3,7 @@ layout: page
title: "Frontend development"
description: "Tips and hints if you are starting on Home Assistant frontend development"
date: 2014-12-21 13:32
sidebar: false
sidebar: true
comments: false
sharing: true
footer: true
@ -69,40 +69,3 @@ Building a new version of the frontend is as simple as running `script/build_fro
<img src='/images/frontend/polymer-build-architecture.png' alt='Polymer build architecture diagram' />
Polymer build architecture diagram
</p>
# {% linkable_title Adding state cards %}
The main interface of Home Assistant is a list of the current entities and their states. For each entity in the system, a state card will be rendered. State cards will show an icon, the name of the entity, when the state has last changed and the current state or a control to interact with it.
![Cards in the frontend](/images/frontend/frontend-cards1.png)
The different card types can be found [here](https://github.com/home-assistant/home-assistant-polymer/tree/master/src/state-summary).
Sensors, when not [grouped](/components/group/), are shown as so-called badges on top of the state cards.
![Badges in the frontend](/images/frontend/frontend-badges.png)
The different badges are located in the file [`/src/components/entity/ha-state-label-badge.js`](https://github.com/home-assistant/home-assistant-polymer/blob/master/src/components/entity/ha-state-label-badge.js).
Adding a custom card type can be done with a few simple steps. For this example we will add a new state card for the domain `camera`:
1. Add `'camera'` to the array `DOMAINS_WITH_CARD` in the file [/util/state-card-type.js](https://github.com/home-assistant/home-assistant-polymer/blob/master/src/util/state-card-type.js#L3-L4).
2. Create the files `state-card-camera.html` and `state-card-camera.js` in the folder [/state-summary/](https://github.com/home-assistant/home-assistant-polymer/tree/master/src/state-summary).
3. Add `require('./state-card-camera')` to [state-card-content.js](https://github.com/home-assistant/home-assistant-polymer/blob/master/src/state-summary/state-card-content.js).
4. Add `<link rel="import" href="state-card-camera.html">` to [state-card-content.html](https://github.com/home-assistant/home-assistant-polymer/blob/master/src/state-summary/state-card-content.html).
# {% linkable_title More info screens for custom types %}
Whenever the user taps or clicks on one of the cards, a more info dialog will show. The header of this dialog will be the state card, followed by the history of this entity for the last 24 hours. Below this the more info component is rendered for that entity. The more info component can show more information or allow more ways of control.
<p class='img' style='max-width: 400px; margin-left: auto; margin-right: auto;'>
<img src='/images/frontend/frontend-more-info-light.png'>
The more info dialog for a light allows the user to control the color and the brightness.
</p>
The instructions to add a more info dialog are very similar to adding a new card type. This example will add a new more info component for the domain `camera`:
1. Add `'camera'` to the array `DOMAINS_WITH_MORE_INFO` in the file [util/state-more-info-type.js](https://github.com/home-assistant/home-assistant-polymer/blob/master/src/util/state-more-info-type.js#L1).
2. Create the files `more-info-camera.html` and `more-info-camera.js` in the folder [/more-infos](https://github.com/home-assistant/home-assistant-polymer/tree/master/src/more-infos).
3. Add `require('./more-info-camera')` to [more-info-content.js](https://github.com/home-assistant/home-assistant-polymer/blob/master/src/more-infos/more-info-content.js)
4. Add `<link rel="import" href="more-info-camera.html">` to [more-info-content.html](https://github.com/home-assistant/home-assistant-polymer/blob/master/src/more-infos/more-info-content.html)