org.apache.tapestry5
Class EventConstants

java.lang.Object
  org.apache.tapestry5.EventConstants

public class EventConstants
extends Object

Constant values for common event names fired by Tapestry components.

Field Summary

static String	ACTION Default client event name, "action", used in most situations.
static String	ACTIVATE Event triggered when a page is activated (for rendering).
static String	ADD_ROW Event triggered by AjaxFormLoop to inform the container that a new row has been requested.
static String	CANCELED Event triggered when a client-side form is canceled.
static String	DECORATE_COMPONENT_EVENT_LINK Event triggered during component event link generation.
static String	DECORATE_PAGE_RENDER_LINK Event triggered during page render link generation.
static String	FAILURE Event type for a notification after the form has been submitted, when there are errors in the validation tracker.
static String	NODE_SELECTED Event triggered by the Tree component when a leaf node is selected.
static String	NODE_UNSELECTED Event triggered by the Tree component when a leaf node is unselected.
static String	PARSE_CLIENT Event triggered by some form-related components to parse a value provided by the client.
static String	PASSIVATE Event triggered when a link for a page is generated.
static String	PREALLOCATE_FORM_CONTROL_NAMES Name of a event triggered by the form component on the active page to allow it to pre-allocate the names of any query parameters that might be used by the page for its own purposes and should not be allocated to components.
static String	PREPARE Invoked to let the containing component(s) prepare for the form rendering or the form submission.
static String	PREPARE_FOR_RENDER Invoked before PREPARE when rendering out the form.
static String	PREPARE_FOR_SUBMIT Invoked before PREPARE when the form is submitted.
static String	PROGRESSIVE_DISPLAY Event triggered by ProgressiveDisplay component to inform its container of what context (if any) is available.
static String	PROVIDE_COMPLETIONS Event triggered by an Autocomplete mixin to request completions of the current input.
static String	REFRESH Event triggered by ZoneRefresh to refresh the Zone
static String	REMOVE_ROW Event triggered by AjaxFormLoop to inform the container about the row removed on the client side.
static String	SELECTED Event type triggered by the Submit component when it is the cause of the form submission.
static String	SUBMIT Event type for a notification after the form has submitted.
static String	SUCCESS Event type for a notification after the form has submitted, when there are no errors in the validation tracker.
static String	SYNCHRONIZE_VALUES Event triggered by the Loop component to inform its container of all the values that were supplied from the client during a form submission.
static String	TO_CLIENT Event triggered by some form-related components to convert a server-side value to a client-side string, as an alternative to a Translator.
static String	VALIDATE Event triggered by form-related components to validate user input.
static String	VALUE_CHANGED Event triggered by Select component to inform its container that Select's value has changed.

Constructor Summary

EventConstants()

Method Summary

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ACTION

public static final String ACTION

Default client event name, "action", used in most situations.

See Also:

Constant Field Values

ACTIVATE

public static final String ACTIVATE

Event triggered when a page is activated (for rendering). The component event handler will be passed the context provided by the passivate event.

See Also:

Constant Field Values

PASSIVATE

public static final String PASSIVATE

Event triggered when a link for a page is generated. The event handler for the page may provide an object, or an array of objects, as the context for the page. These values will become part of the page's context, and will be provided back when the page is activated.

See Also:

Constant Field Values

PREPARE_FOR_RENDER

public static final String PREPARE_FOR_RENDER

Invoked before PREPARE when rendering out the form.

See Also:

Form, Constant Field Values

PREPARE_FOR_SUBMIT

public static final String PREPARE_FOR_SUBMIT

Invoked before PREPARE when the form is submitted.

See Also:

Form, Constant Field Values

PREPARE

public static final String PREPARE

Invoked to let the containing component(s) prepare for the form rendering or the form submission.

See Also:

Form, Constant Field Values

SUBMIT

public static final String SUBMIT

Event type for a notification after the form has submitted. This event notification occurs on any form submit, without respect to "success" or "failure".

See Also:

Form, Constant Field Values

CANCELED

public static final String CANCELED

Event triggered when a client-side form is canceled. This occurs after page activation, and after the prepare events for the form, but before any stored ComponentActions for the form are triggered.

Since:

5.2.0

See Also:

SubmitMode.CANCEL, Constant Field Values

SUCCESS

public static final String SUCCESS

Event type for a notification after the form has submitted, when there are no errors in the validation tracker. This occurs before the SUBMIT event.

See Also:

Form, Constant Field Values

FAILURE

public static final String FAILURE

Event type for a notification after the form has been submitted, when there are errors in the validation tracker. This occurs before the SUBMIT event.

See Also:

Constant Field Values

SELECTED

public static final String SELECTED

Event type triggered by the Submit component when it is the cause of the form submission.

See Also:

Constant Field Values

PARSE_CLIENT

public static final String PARSE_CLIENT

Event triggered by some form-related components to parse a value provided by the client. This takes the place of a Translator.

See Also:

Constant Field Values

TO_CLIENT

public static final String TO_CLIENT

Event triggered by some form-related components to convert a server-side value to a client-side string, as an alternative to a Translator.

See Also:

Constant Field Values

VALIDATE

public static final String VALIDATE

Event triggered by form-related components to validate user input. In addition, the Form component fires a validate event just before it fires SUCCESS or FAILURE as a chance to perform cross-form validations.

See Also:

Constant Field Values

REMOVE_ROW

public static final String REMOVE_ROW

Event triggered by AjaxFormLoop to inform the container about the row removed on the client side. The event context is the object that was removed.

See Also:

Constant Field Values

ADD_ROW

public static final String ADD_ROW

Event triggered by AjaxFormLoop to inform the container that a new row has been requested. The return value from the event handler must be the newly created object, which must also be visible in the AjaxFormLoop.encoder parameter.

See Also:

Constant Field Values

SYNCHRONIZE_VALUES

public static final String SYNCHRONIZE_VALUES

Event triggered by the Loop component to inform its container of all the values that were supplied from the client during a form submission. The event handler method should have a single parameter, of type Object[] or type List, to receive the values.

Since:

5.1.0.0

See Also:

Constant Field Values

PROGRESSIVE_DISPLAY

public static final String PROGRESSIVE_DISPLAY

Event triggered by ProgressiveDisplay component to inform its container of what context (if any) is available. The event handler may return a renderable object or null. If null is returned, the component renders its own body as the partial markup response.

Since:

5.1.0.1

See Also:

Constant Field Values

PROVIDE_COMPLETIONS

public static final String PROVIDE_COMPLETIONS

Event triggered by an Autocomplete mixin to request completions of the current input. The context is the partial string provided by the client.

Since:

5.1.0.4

See Also:

Constant Field Values

VALUE_CHANGED

public static final String VALUE_CHANGED

Event triggered by Select component to inform its container that Select's value has changed.

Since:

5.2.0

See Also:

Constant Field Values

DECORATE_PAGE_RENDER_LINK

public static final String DECORATE_PAGE_RENDER_LINK

Event triggered during page render link generation. The first context parameter is the Link object, the second is the PageRenderRequestParameters from which the Link was created. The event is triggered on the actively rendering page.

Since:

5.2.0

See Also:

Constant Field Values

DECORATE_COMPONENT_EVENT_LINK

public static final String DECORATE_COMPONENT_EVENT_LINK

Event triggered during component event link generation. The first context parameter is the Link object, the second is the ComponentEventRequestParameters from which the Link was created. The event is triggered on the actively rendering page, not necessarily the page containing the component.

Since:

5.2.0

See Also:

Constant Field Values

PREALLOCATE_FORM_CONTROL_NAMES

public static final String PREALLOCATE_FORM_CONTROL_NAMES

Name of a event triggered by the form component on the active page to allow it to pre-allocate the names of any query parameters that might be used by the page for its own purposes and should not be allocated to components. An IdAllocator is passed as the event context.

Since:

5.2.0

See Also:

Constant Field Values

NODE_SELECTED

public static final String NODE_SELECTED

Event triggered by the Tree component when a leaf node is selected.

Since:

5.3

See Also:

Constant Field Values

NODE_UNSELECTED

public static final String NODE_UNSELECTED

Event triggered by the Tree component when a leaf node is unselected.

Since:

5.3

See Also:

Constant Field Values

REFRESH

public static final String REFRESH

Event triggered by ZoneRefresh to refresh the Zone

Since:

5.3

See Also:

Constant Field Values

Constructor Detail

EventConstants

public EventConstants()