component has been created and reviewed, following the new standards for component development for ICEfaces-2.0.

Items to note:-
1) hidden field "_hidden" maintains the value of the "checked" attribute, which may be updated via the yui checkbox or server-push.
the javascript params are no longer used for this input component
2) singleSubmit=true means that the checkbutton submits to the server side, singleSubmit=false means that the hidden field gets updated
and waits for some other component to submit the form to the server.
3) the event has a null target (event.target), so this must be set for partial submit = true.
4) aria support means that the space bar toggles the button for true/false.

any other features for this component could perhaps be within another jira.

see ICE-5798 for details

Need a sam skin for this component also.

Checkbox component has the following noted outstanding tasks/issues:

Component Name:

• Rename/repackage component to "CheckboxButton", incl. comp. name, tag name ("checkboxButton"), all classnames, componentFamily, etc.
• Change componentFamily to "org.icefaces.component.CheckboxButton"

Attributes:

• Following attributes are not useful on a checkboxButton, need to be removed:
• validatorMessage
• image
• requiredMessage
• converter (useful?)
• required

Documentation:

• Component level descriptive doc missing from TLD/taglib doc. This can be brief summation with link to the Wiki doc page.
• The following attributes have insufficient doc:
• styleClass
• label
• labelPosition (is this still a useful attribute? Why are the values only "on" and "left"? Should this positioning be done in CSS instead?)
• singleSubmit (use std. description)
• value
• disabled

• Wiki user doc:
• No high-level component description at all
• Should mimic the general contents and compleness from http://developer.yahoo.com/yui/autocomplete/, for example.
• General config and usage should be covered, typical use-cases illustrated and described.

CheckboxRenderer Impl.:

• Don't need to check if rendered in decode and encode, because if false those methods wouldn't get called in Renderer (needs verification)
• decode: if (requestParameterMap.containsKey("ice.event.captured")) { but doesn't use it (remove?)
• encodeBegin: writer.write(checkbox.getLabel()); Should this use writeText to escape the label?
• Reduce component property evaluations. Eg: findCheckboxLabel(Checkbox) by cacheing property values with local var.

had to move disabled and tabindex to yuicomps (jscomps) for param map as they need to be able to be updated dynamically on the client.
Also, singleSubmit must be retrieved from the javascript context setup in ice.components namespace in order to dyanmically update it. (do this in the fn registered to listen for the 'checkedChange' event).

Package name is: org.icefaces.component.checkboxButton.CheckboxButtonTag

...should be: org.icefaces.component.checkboxbutton.CheckboxButtonTag.