com.google.gwt.cell.client

Class ButtonCell

java.lang.Object

com.google.gwt.cell.client.AbstractCell<C>

com.google.gwt.cell.client.AbstractSafeHtmlCell<String>

com.google.gwt.cell.client.ButtonCell

All Implemented Interfaces:

Cell<String>

public class ButtonCell
extends AbstractSafeHtmlCell<String>

A Cell used to render a button.

Nested Class Summary

Nested classes/interfaces inherited from interface com.google.gwt.cell.client.Cell

Cell.Context

Constructor Summary

Constructors

Constructor and Description
ButtonCell() Construct a new ButtonCell that will use a SimpleSafeHtmlRenderer.
ButtonCell(SafeHtmlRenderer<String> renderer) Construct a new ButtonCell that will use a given SafeHtmlRenderer.

Method Summary

Modifier and Type	Method and Description
void	onBrowserEvent(Cell.Context context, Element parent, String value, NativeEvent event, ValueUpdater<String> valueUpdater) Handle a browser event that took place within the cell.
protected void	onEnterKeyDown(Cell.Context context, Element parent, String value, NativeEvent event, ValueUpdater<String> valueUpdater) Called when the user triggers a keydown event with the ENTER key while focused on the cell.
void	render(Cell.Context context, SafeHtml data, SafeHtmlBuilder sb) Render the cell contents after they have been converted to SafeHtml form.

Methods inherited from class com.google.gwt.cell.client.AbstractSafeHtmlCell

getRenderer, render

Methods inherited from class com.google.gwt.cell.client.AbstractCell

dependsOnSelection, getConsumedEvents, handlesSelection, isEditing, resetFocus, setValue

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, toString

Constructor Detail

ButtonCell

public ButtonCell()

Construct a new ButtonCell that will use a SimpleSafeHtmlRenderer.

ButtonCell

public ButtonCell(SafeHtmlRenderer<String> renderer)

Construct a new ButtonCell that will use a given SafeHtmlRenderer.

Parameters:

renderer - a SafeHtmlRenderer instance

Method Detail

onBrowserEvent

public void onBrowserEvent(Cell.Context context,
                           Element parent,
                           String value,
                           NativeEvent event,
                           ValueUpdater<String> valueUpdater)

Description copied from class: AbstractCell

Handle a browser event that took place within the cell. The default implementation returns null.

If you override this method to add support for events, remember to pass the event types that the cell expects into the constructor.

Specified by:

onBrowserEvent in interface Cell<String>

Overrides:

onBrowserEvent in class AbstractCell<String>

Parameters:

context - the Cell.Context of the cell

parent - the parent Element

value - the value associated with the cell

event - the native browser event

valueUpdater - a ValueUpdater, or null if not specified

render

public void render(Cell.Context context,
                   SafeHtml data,
                   SafeHtmlBuilder sb)

Description copied from class: AbstractSafeHtmlCell

Render the cell contents after they have been converted to SafeHtml form.

Specified by:

render in class AbstractSafeHtmlCell<String>

Parameters:

context - the original context to render

data - a SafeHtml string

sb - the SafeHtmlBuilder to be written to

onEnterKeyDown

protected void onEnterKeyDown(Cell.Context context,
                              Element parent,
                              String value,
                              NativeEvent event,
                              ValueUpdater<String> valueUpdater)

Description copied from class: AbstractCell

Called when the user triggers a keydown event with the ENTER key while focused on the cell. If your cell interacts with the user, you should override this method to provide a consistent user experience. Your widget must consume keydown events for this method to be called.

Overrides:

onEnterKeyDown in class AbstractCell<String>

Parameters:

context - the Context of the cell

parent - the parent Element

value - the value associated with the cell

event - the native browser event

valueUpdater - a ValueUpdater, or null if not specified