Icon (slimuiannot 0.1.0 API)

```
@Retention(RUNTIME)
@Target(FIELD)
public @interface Icon
```
Adds an icon to current element/widget. The interpretation of icon value() depends on implementing library. For example, the icon can be a JPEG image, a CSS class or one of these: See also: 1) http://fontawesome.io/icons 2) http://www.webhostinghub.com/glyphs/#howToUse 3) https://material.io/icons 4) Use http://fontello.com, to make custom font+CSS from SVG-files; Get SVG-files from https://www.flaticon.com

Optional Element Summary

Optional Elements
Modifier and Type	Optional Element	Description
`java.lang.String`	`cssClass`
`java.lang.String`	`fromField`	Icon is dynamic and its value is read from another field (not from annotation value=...).
`Icon.Position`	`pos`
`java.lang.String`	`value`	HTML rendering depends on implementing library.

- Element Detail
  - value
```
java.lang.String value
```
    HTML rendering depends on implementing library. For example, it can be one of these: 1) for font-awesome, "fa fa-filter"; complete list is available at http://fontawesome.io/icons 2) for webhostinghub, "icon-filter"; complete list is available at http://www.webhostinghub.com/glyphs Properties value and fromField are mutually exclusive.
    
    Returns:
    
    icon identifier
    
    Default:
    
    ""
- - fromField
```
java.lang.String fromField
```
    Icon is dynamic and its value is read from another field (not from annotation value=...). Properties value and fromField are mutually exclusive.
    
    Returns:
    
    field name for icon identifier
    
    Default:
    
    ""
- - pos
```
Icon.Position pos
```
    Returns:
    
    leading=icon appears before element, trailing=icon appears after element
    
    Default:
    
    eu.miltema.uiannot.Icon.Position.DEFAULT
- - cssClass
```
java.lang.String cssClass
```
    Returns:
    
    extra CSS for the icon
    
    Default:
    
    ""