<a name="Panoramax.components.core.Basic"></a>

## Panoramax.components.core.Basic ⇐ <code>[lit.LitElement](https://lit.dev/docs/api/LitElement/)</code>
**Kind**: static class of <code>Panoramax.components.core</code>  
**Extends**: <code>[lit.LitElement](https://lit.dev/docs/api/LitElement/)</code>  
**Emits**: [<code>select</code>](#Panoramax.components.core.Basic+event_select), [<code>ready</code>](#Panoramax.components.core.Basic+event_ready), [<code>broken</code>](#Panoramax.components.core.Basic+event_broken), [<code>menu-opened</code>](#Panoramax.components.core.Basic+event_menu-opened)  
**Properties**

| Name | Type | Description |
| --- | --- | --- |
| loader | [<code>Loader</code>](../ui/Loader.md/#Panoramax.components.ui.Loader) | The loader screen |
| api | [<code>API</code>](../../utils/API.md/#Panoramax.utils.API) | The API manager |


* [.Basic](#Panoramax.components.core.Basic) ⇐ <code>[lit.LitElement](https://lit.dev/docs/api/LitElement/)</code>
    * [new Basic()](#new_Panoramax.components.core.Basic_new)
    * [.properties](#Panoramax.components.core.Basic+properties) : <code>Object</code>
    * [.onceReady()](#Panoramax.components.core.Basic+onceReady) ⇒ <code>Promise</code>
    * [.onceAPIReady()](#Panoramax.components.core.Basic+onceAPIReady) ⇒ <code>Promise</code>
    * [.getClassName()](#Panoramax.components.core.Basic+getClassName) ⇒ <code>string</code>
    * [.select([seqId], [picId], [force])](#Panoramax.components.core.Basic+select)
    * [.isWidthSmall()](#Panoramax.components.core.Basic+isWidthSmall) ⇒ <code>boolean</code>
    * [.isHeightSmall()](#Panoramax.components.core.Basic+isHeightSmall) ⇒ <code>boolean</code>
    * [.getSubComponentsNames()](#Panoramax.components.core.Basic+getSubComponentsNames) ⇒ <code>Array.&lt;string&gt;</code>
    * [.addEventListener(type, listener, [options])](#Panoramax.components.core.Basic+addEventListener)
    * ["menu-opened"](#Panoramax.components.core.Basic+event_menu-opened)
    * ["select"](#Panoramax.components.core.Basic+event_select)
    * ["ready"](#Panoramax.components.core.Basic+event_ready)
    * ["broken"](#Panoramax.components.core.Basic+event_broken)

<a name="new_Panoramax.components.core.Basic_new"></a>

### new Basic()
Basic core component is a basic container for common functions through all core components.
It is not intended to be used directly, it's only to be extended by other core components.

<a name="Panoramax.components.core.Basic+properties"></a>

### basic.properties : <code>Object</code>
Component properties.

**Kind**: instance mixin of [<code>Basic</code>](#Panoramax.components.core.Basic)  
**Properties**

| Name | Type | Default | Description |
| --- | --- | --- | --- |
| endpoint | <code>string</code> |  | URL to API to use (must be a [STAC API](https://github.com/radiantearth/stac-api-spec/blob/main/overview.md)) |
| [picture] | <code>string</code> |  | The picture ID to display |
| [sequence] | <code>string</code> |  | The sequence ID of the picture displayed |
| [fetch-options] | <code>object</code> |  | Set custom options for fetch calls made against API ([same syntax as fetch options parameter](https://developer.mozilla.org/en-US/docs/Web/API/fetch#parameters)) |
| [users] | <code>Array.&lt;string&gt;</code> | <code>[geovisio]</code> | List of users IDs to use for map display (defaults to general map, identified as "geovisio") |
| [map-style] | <code>string</code> \| <code>object</code> |  | The map's MapLibre style. This can be an a JSON object conforming to the schema described in the [MapLibre Style Specification](https://maplibre.org/maplibre-style-spec/), or a URL string pointing to one. Defaults to OSM vector tiles. |
| [lang] | <code>string</code> |  | To override language used for labels. Defaults to using user's preferred languages. |

<a name="Panoramax.components.core.Basic+onceReady"></a>

### basic.onceReady() ⇒ <code>Promise</code>
Waits for component to have its first loading done.

Each inheriting class must override this method.

**Kind**: instance method of [<code>Basic</code>](#Panoramax.components.core.Basic)  
**Fulfil**: <code>null</code> When initialization is complete.  
**Reject**: <code>string</code> Error message  
<a name="Panoramax.components.core.Basic+onceAPIReady"></a>

### basic.onceAPIReady() ⇒ <code>Promise</code>
Waits for initial API setup.

**Kind**: instance method of [<code>Basic</code>](#Panoramax.components.core.Basic)  
**Fulfil**: <code>null</code> When API is ready.  
**Reject**: <code>string</code> Error message  
<a name="Panoramax.components.core.Basic+getClassName"></a>

### basic.getClassName() ⇒ <code>string</code>
This allows to retrieve an always correct class name.
This is crap, but avoids issues with Webpack & so on.

Each inheriting class must override this method.

**Kind**: instance method of [<code>Basic</code>](#Panoramax.components.core.Basic)  
**Returns**: <code>string</code> - The class name (for example "Basic")  
<a name="Panoramax.components.core.Basic+select"></a>

### basic.select([seqId], [picId], [force])
Change the currently picture and/or sequence.
Calling the method without parameters unselects.

**Kind**: instance method of [<code>Basic</code>](#Panoramax.components.core.Basic)  

| Param | Type | Default | Description |
| --- | --- | --- | --- |
| [seqId] | <code>string</code> | <code>null</code> | The sequence UUID |
| [picId] | <code>string</code> | <code>null</code> | The picture UUID |
| [force] | <code>boolean</code> | <code>false</code> | Force select even if already selected |

<a name="Panoramax.components.core.Basic+isWidthSmall"></a>

### basic.isWidthSmall() ⇒ <code>boolean</code>
Is the view running in a small container (small embed or smartphone)

**Kind**: instance method of [<code>Basic</code>](#Panoramax.components.core.Basic)  
**Returns**: <code>boolean</code> - True if container is small  
<a name="Panoramax.components.core.Basic+isHeightSmall"></a>

### basic.isHeightSmall() ⇒ <code>boolean</code>
Is the view running in a small-height container (small embed or smartphone)

**Kind**: instance method of [<code>Basic</code>](#Panoramax.components.core.Basic)  
**Returns**: <code>boolean</code> - True if container height is small  
<a name="Panoramax.components.core.Basic+getSubComponentsNames"></a>

### basic.getSubComponentsNames() ⇒ <code>Array.&lt;string&gt;</code>
List names of sub-components (like loader, api, map, psv) available in this component.

**Kind**: instance method of [<code>Basic</code>](#Panoramax.components.core.Basic)  
**Returns**: <code>Array.&lt;string&gt;</code> - Sub-components names.  
<a name="Panoramax.components.core.Basic+addEventListener"></a>

### basic.addEventListener(type, listener, [options])
Listen to events from this components or one of its sub-components.

For example, you can listen to `map` events using prefix `map:`.

```js
me.addEventListener("map:move", doSomething);
```

**Kind**: instance method of [<code>Basic</code>](#Panoramax.components.core.Basic)  

| Param | Type | Description |
| --- | --- | --- |
| type | <code>string</code> | The event type to listen for |
| listener | <code>function</code> | The event handler |
| [options] | <code>object</code> | [Any original addEventListener available options](https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#options) |

<a name="Panoramax.components.core.Basic+event_menu-opened"></a>

### "menu-opened"
Event for overlaying menu opening

**Kind**: event emitted by [<code>Basic</code>](#Panoramax.components.core.Basic)  
**Properties**

| Name | Type | Description |
| --- | --- | --- |
| detail.menu | <code>Element</code> | The opened menu |

<a name="Panoramax.components.core.Basic+event_select"></a>

### "select"
Event for sequence/picture selection

**Kind**: event emitted by [<code>Basic</code>](#Panoramax.components.core.Basic)  
**Properties**

| Name | Type | Description |
| --- | --- | --- |
| detail.seqId | <code>string</code> | The selected sequence ID |
| detail.picId | <code>string</code> | The selected picture ID (or null if not a precise picture clicked) |
| [detail.prevSeqId] | <code>string</code> | The previously selected sequence ID (or null if none) |
| [detail.prevPicId] | <code>string</code> | The previously selected picture ID (or null if none) |

<a name="Panoramax.components.core.Basic+event_ready"></a>

### "ready"
Event when component is ready to use.
This happens when loader screen disappear, with picture and map loaded.

To follow more precisely loading steps, you can also watch for sub-components `ready` events.
```js
// Watch API-readiness
viewer.addEventListener("api:ready", ...); // From parent
viewer.api.addEventListener("ready", ...); // Or on sub-component
```

**Kind**: event emitted by [<code>Basic</code>](#Panoramax.components.core.Basic)  
<a name="Panoramax.components.core.Basic+event_broken"></a>

### "broken"
Event for viewer failing to initially load.

To follow more precisely loading failures, you can also watch for sub-components `broken` events.
```js
// Watch API breaks
viewer.addEventListener("api:broken", ...); // From parent
viewer.api.addEventListener("broken", ...); // Or on sub-component
```

**Kind**: event emitted by [<code>Basic</code>](#Panoramax.components.core.Basic)  
**Properties**

| Name | Type | Description |
| --- | --- | --- |
| detail.error | <code>string</code> | The user-friendly error message to display |

