# FocusManager guide

## Focus Manager

Focus manager born like a necessity to have a manual control of focus and relieve browser from that work. Is important for us to know which component is currently selected and apply the corresponding event. We have been created a FocusManagerModule ir order to handle directives and services.

## FocusManagerService

This is a service class with a group of functions that basically handles the focus action for the application, validates if a column of Data Manager has focus, triggers data manager events if required, handles `focus in` and `focus out` classes.

## FocusableDirective

Angular directive class that has '\[wmFocusable]' as a selector which is applied to all components. This class determines whether a component needs to be focus.

## How to use

If you want to led focus manager handle your component focus just add directive

```markup
<input  wmFocusable >
```

## Important facts

It is important to check that each control has a focusableElement defined, this should be the correct way to applyFocus.

Any control with the flag isFocused true must be focused and then turned in to false by the focusable directive.


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