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## com.sas.commands.relational
Class ScrollPreviousColumnCommand

    com.sas.commands.relational.ScrollPreviousColumnCommand

All Implemented Interfaces:
  CommandSupportedInterface, DynamicAttributeCommandInterface, BaseEntityInterface, BaseEntityValueInterface, EntityKeyInterface, com.sas.lang.StringDataInterface, com.sas.PublicClonable, com.sas.util.Command, com.sas.util.SimpleCommand, java.lang.Cloneable, java.rmi.Remote

    public class ScrollPreviousColumnCommand

This class implements scrolling to the previous column command.

Field Summary

Fields inherited from interface com.sas.commands.DynamicAttributeCommandInterface
`COMMAND_NAME_PREFIX`

Constructor Summary
`ScrollPreviousColumnCommand()` Default constructor
`ScrollPreviousColumnCommand(java.lang.String name)` Constructor that accepts a command name
`ScrollPreviousColumnCommand(java.lang.String name, java.lang.String actionClass)` Constructor that accepts a command name and an action class type

Method Summary
`boolean` | `isSupported(ActionSupportFilter actionFilter)` Returns a boolean indicating whether the command is supported for the area specified on the ActionSupportFilter argument.
`void` | `scrollExecute(java.lang.Object out)` This method is called by the execute() method on the BaseScrollCommand.

Methods inherited from class com.sas.commands.relational.BaseScrollCommand
`execute, getModel, setModel`

Methods inherited from class com.sas.commands.BaseCommand
`getLocale, getName, getNextCommandName, getText, isExecutable, isUndoable, setLocale, setName, setText, undo`

Methods inherited from class com.sas.entities.BaseEntity
`clone, containsAttributeNamed, equals, equals, getAttribute, getAttribute, getAttributeCount, getAttributes, getEntityKey, getPropertyDescriptors, getStringAttribute, listAttributeNames, removeAllAttributes, removeAttribute, reset, sameEntity, setAttribute, setAttributes, setEntityKey, toString`

Methods inherited from interface com.sas.entities.BaseEntityValueInterface
`getAttribute, setAttribute`

Methods inherited from interface com.sas.util.Command
`clone`

Constructor Detail

### ScrollPreviousColumnCommand

    public ScrollPreviousColumnCommand()

  Default constructor

### ScrollPreviousColumnCommand

    public ScrollPreviousColumnCommand(java.lang.String name)

  Constructor that accepts a command name

  Parameters:
    `name` - the name of this command

### ScrollPreviousColumnCommand

    public ScrollPreviousColumnCommand(java.lang.String name,
                                       java.lang.String actionClass)

  Constructor that accepts a command name and an action class type

  Parameters:
    `name` - the name of this command
    `actionClass` - the name of the action class for this command

Method Detail

### scrollExecute

    public void scrollExecute(java.lang.Object out)

  This method is called by the execute() method on the BaseScrollCommand. This method performs the scroll operation.

  Overrides:
    `scrollExecute` in class `BaseScrollCommand`
  Parameters:
    `out` - The output stream to which the results of this command should be written.

### isSupported

    public boolean isSupported(ActionSupportFilter actionFilter)

  Returns a boolean indicating whether the command is supported for the area specified on the ActionSupportFilter argument. The implementation on this class always return true. Extensions of this class should override this method if there are conditions where the command may not be available or supported.

  Specified by:
    `isSupported` in interface `CommandSupportedInterface`
  Specified by:
    `isSupported` in class `BaseScrollCommand`
  Parameters:
    `actionFilter` - The object that describes the current area.
  Returns:
    a boolean indicating whether the command is supported.
  See Also:
    `BaseAction.setReturnStatus(int)`

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