DefaultSelectionEventManager.WhitelistEventTranslator (GWT Javadoc)

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## com.google.gwt.view.client
Class DefaultSelectionEventManager.WhitelistEventTranslator<T>

    java.lang.Object
      com.google.gwt.view.client.DefaultSelectionEventManager.WhitelistEventTranslator<T>

Type Parameters:
  `T` - the data type

All Implemented Interfaces:
  DefaultSelectionEventManager.EventTranslator<T>

Enclosing class:
  DefaultSelectionEventManager<T>

    public static class DefaultSelectionEventManager.WhitelistEventTranslator<T>

extends java.lang.Object
implements DefaultSelectionEventManager.EventTranslator<T>

An event translator that allows selection only for the specified whitelisted columns.

Constructor Summary
`DefaultSelectionEventManager.WhitelistEventTranslator(int... whitelistedColumns)` Construct a new `DefaultSelectionEventManager.WhitelistEventTranslator`.

Method Summary
`boolean` | `clearCurrentSelection(CellPreviewEvent<T> event)` Check whether a user selection event should clear all currently selected values.
`void` | `clearWhitelist()` Clear all columns from the whitelist.
`boolean` | `isColumnWhitelisted(int index)` Check if the specified column is whitelisted.
`void` | `setColumnWhitelisted(int index, boolean isWhitelisted)` Set whether or not the specified column in whitelisted.
`DefaultSelectionEventManager.SelectAction` | `translateSelectionEvent(CellPreviewEvent<T> event)` Translate the user selection event into a `DefaultSelectionEventManager.SelectAction`.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### DefaultSelectionEventManager.WhitelistEventTranslator

    public DefaultSelectionEventManager.WhitelistEventTranslator(int... whitelistedColumns)

  Construct a new `DefaultSelectionEventManager.WhitelistEventTranslator`.

  Parameters:
    `whitelistedColumns` - the columns to whitelist

Method Detail

### clearCurrentSelection

    public boolean clearCurrentSelection(CellPreviewEvent<T> event)

  Description copied from interface: `DefaultSelectionEventManager.EventTranslator`
  Check whether a user selection event should clear all currently selected values.

  Specified by:
    `clearCurrentSelection` in interface `DefaultSelectionEventManager.EventTranslator<T>`
  Parameters:
    `event` - the `CellPreviewEvent` to translate

### clearWhitelist

    public void clearWhitelist()

  Clear all columns from the whitelist.

### isColumnWhitelisted

    public boolean isColumnWhitelisted(int index)

  Check if the specified column is whitelisted.

  Parameters:
    `index` - the column index
  Returns:
    true if whitelisted, false if not

### setColumnWhitelisted

    public void setColumnWhitelisted(int index,
                                     boolean isWhitelisted)

  Set whether or not the specified column in whitelisted.

  Parameters:
    `index` - the column index
    `isWhitelisted` - true to whitelist, false to allow disallow selection

### translateSelectionEvent

    public DefaultSelectionEventManager.SelectAction translateSelectionEvent(CellPreviewEvent<T> event)

  Description copied from interface: `DefaultSelectionEventManager.EventTranslator`
  Translate the user selection event into a `DefaultSelectionEventManager.SelectAction`.

  Specified by:
    `translateSelectionEvent` in interface `DefaultSelectionEventManager.EventTranslator<T>`
  Parameters:
    `event` - the `CellPreviewEvent` to translate

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