Message

Table of Contents

Overview

Since 3.3

The message component renders the first Faces message for a specific component.

See the ICEfaces Showcase Live Demo of this component, complete with source code.

Styling is done by predefined jQuery classes in theme stylesheets:

  1. Info: ui-icon-notice w/ ui-state-highlight css
  2. Warn: ui-icon-info w/ ui-state-highlight css
  3. Error: ui-icon-alert w/ ui-state-error css
  4. Fatal: ui-icon-alert w/ ui-state-error css

You can use the style and styleClass attributes to override the styles.

Getting Started

<ace:textEntry id="firstNameInput" value="#{messageBean.firstName}" label="First Name" labelPosition="left">
  <ace:ajax event="blur" render="firstNameMsg" listener="#{messageBean.blurListener}"/>
</ace:textEntry>
<ace:message id="firstNameMsg" for="firstNameInput" initEffect="bounce" changeEffect="explode"/>

Attributes

TagLib Documentation
This section covers attributes involved in the typical use-cases for this component. For reference, the complete taglib documentation for this component is available here.

for: Identifier of the component for which to render error messages.

style: CSS style(s) to be applied when this component is rendered.

styleClass: Space-separated list of CSS style class(es) to be applied when this element is rendered.

Event Listeners

Client Behavior Events

JavaScript API

ICEfaces 3.x

The client side component object is exposed through the global variable name specified in the widgetVar attribute.

ICEfaces 4+

The "widgetVar" attribute on the ACE components has been removed in ICEfaces 4 and in its place a new "ice.ace.instance()" client JavaScript object lookup API has been introduced. The reason for this change is to enable lazy-initialization of the ACE component JavaScript objects to improve runtime performance and reduce browser memory use.

var widget = ice.ace.instance('frm:componentId);
The ice.ace.instance function requires the full client id of the component to be specified, such as "j_idt77:componentId" instead of just "componentId". To reduce the complexity of working with complete IDs with this function it may be preferable in some cases to use prependId="false" in the enclosing form (e.g. <h:form prependId="false">).
This component doesn't have a client-side API made specifically to be used by application developers. However, the component's internal methods and variables can be accessed in this way, including the underlying jQuery object and objects from underlying Javascript libraries (if applicable), and can be used for whatever purpose a developer might have in mind.

Keyboard and ARIA Support

The following ARIA roles are supported: alert.

CSS Classes

The following markup represents the basic HTML structure of the component and the CSS classes it uses.

<span class="ui-faces-message [user defined classes]" style="[user defined styles]">
	<span class=" ui-widget ui-corner-all [ui-state-highlight | ui-state-error]">
		<span class="ui-faces-message-icon">
			<span class="ui-icon ui-icon-info"></span>
		</span>
		<span class="ui-faces-message-text">Message</span>
	</span>
</span>

Known Issues

None.

Additional Resources

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