Provide contextual feedback messages for typical user actions with the handful of available and flexible alert messages.
A default gray alert wouldn't make too much sense, so you're required to specify a type with the severity attribute. Choose from success, info, warning, or danger.
The title attribute is optional and will add a title to the Alert.
The b:alert tag is a container you can put arbitrary JSF and HTML code in:
value vs. contentYou can use the attribute value to put a simple text into the alert body. Alternatively,
you can put the content between the opening <b:alert /> and the closing </b:alert /> tag.
This allows for arbitrary complex content.
You can make Alerts dismissable adding closable="true" :
Click the cross on the right to get rid of the message.
Caveat: This is a feature that works with Bootstrap 3 but may break with Bootstrap 4. Use at own risk.
BootsFaces doesn't restrict the severity parameters to the five values defined by Bootstrap. So you can define
your own alert type.
| Attribute | Default value | Description |
|---|---|---|
| auto-update autoUpdate (alternative writing) |
false | Setting this flag updates the widget on every AJAX request. |
| binding | (none) | An EL expression referring to a server side UIComponent instance in a backing bean. |
| closable | false | If true close button will be displayed. |
| col-lg colLg (alternative writing) |
-1 | Integer value to specify how many columns to span on large screens (≥1200 pixels wide). The number may optionally be followed by "column" or "columns". Alternative legal values: half, one-third, two-thirds, one-fourth, three-fourths. |
| col-md colMd (alternative writing) |
-1 | Integer value to specify how many columns to span on medium screens (≥992 pixels wide). The number may optionally be followed by "column" or "columns". Alternative legal values: half, one-third, two-thirds, one-fourth, three-fourths. |
| col-sm colSm (alternative writing) |
-1 | Integer value to specify how many columns to span on small screens (≥768p pixels wide). The number may optionally be followed by "column" or "columns". Alternative legal values: half, one-third, two-thirds, one-fourth, three-fourths. |
| col-xs colXs (alternative writing) |
-1 | Integer value to specify how many columns to span on tiny screens (≤ 767 pixels wide). The number may optionally be followed by "column" or "columns". Alternative legal values: half, one-third, two-thirds, one-fourth, three-fourths. |
| display | block | If you use the "visible" attribute, the value of this attribute is added. Legal values: block, inline, inline-block. Default: block. |
| hidden | (none) | This column is hidden on a certain screen size and below. Legal values: lg, md, sm, xs. |
| id | (none) | Unique identifier of the component in a namingContainer. |
| large-screen largeScreen (alternative writing) |
-1 | Alternative spelling to col-lg. Integer value to specify how many columns to span on large screens (≥1200 pixels wide). The number may optionally be followed by "column" or "columns". Alternative legal values: half, one-third, two-thirds, one-fourth, three-fourths. |
| medium-screen mediumScreen (alternative writing) |
-1 | Alternative spelling to col-md. Integer value to specify how many columns to span on medium screens (≥992 pixels wide). The number may optionally be followed by "column" or "columns". Alternative legal values: half, one-third, two-thirds, one-fourth, three-fourths. |
| offset | (none) | Integer value to specify how many columns to offset. |
| offset-lg offsetLg (alternative writing) |
(none) | Integer value to specify how many columns to offset. |
| offset-md offsetMd (alternative writing) |
(none) | Integer value to specify how many columns to offset. |
| offset-sm offsetSm (alternative writing) |
(none) | Integer value to specify how many columns to offset. |
| offset-xs offsetXs (alternative writing) |
(none) | Integer value to specify how many columns to offset. |
| rendered | false | Boolean value to specify the rendering of the component, when set to false the component will not be rendered. |
| severity | (none) | Severity of the Alert, can be success, info, warning, danger. Default is warning. |
| small-screen smallScreen (alternative writing) |
-1 | Alternative spelling to col-sm. Integer value to specify how many columns to span on small screens (≥768p pixels wide). The number may optionally be followed by "column" or "columns". Alternative legal values: half, one-third, two-thirds, one-fourth, three-fourths. |
| span | (none) | Integer value to specify how many columns to span on medium screens (≥992 pixels). The number may optionally be followed by "column" or "columns". Alternative legal values: half, one-third, two-thirds, one-fourth, three-fourths. |
| style | (none) | Inline style of the input element. |
| style-class styleClass (alternative writing) |
(none) | Style class of this element. |
| tiny-screen tinyScreen (alternative writing) |
-1 | Alternative spelling to col-xs. Integer value to specify how many columns to span on tiny screens (≤ 767 pixels wide). The number may optionally be followed by "column" or "columns". Alternative legal values: half, one-third, two-thirds, one-fourth, three-fourths. |
| title | (none) | Bold Title displayed before your message. |
| tooltip | (none) | The text of the tooltip. |
| tooltip-container tooltipContainer (alternative writing) |
body | Where is the tooltip div generated? That's primarily a technical value that can be used to fix rendering errors in special cases. Also see data-container in the documentation of Bootstrap. The default value is body. |
| tooltip-delay tooltipDelay (alternative writing) |
0 | The tooltip is shown and hidden with a delay. This value is the delay in milliseconds. Defaults to 0 (no delay). |
| tooltip-delay-hide tooltipDelayHide (alternative writing) |
0 | The tooltip is hidden with a delay. This value is the delay in milliseconds. Defaults to 0 (no delay). |
| tooltip-delay-show tooltipDelayShow (alternative writing) |
0 | The tooltip is shown with a delay. This value is the delay in milliseconds. Defaults to 0 (no delay). |
| tooltip-position tooltipPosition (alternative writing) |
(none) | Where is the tooltip to be displayed? Possible values: "top", "bottom", "right", "left", "auto", "auto top", "auto bottom", "auto right" and "auto left". Default to "bottom". |
| value | (none) | Optional attribute to define the content of the widget. The content can also be specified by simply putting it between the opening and the closing tag. |
| visible | (none) | This column is shown on a certain screen size and above. Legal values: lg, md, sm, xs. |