com.cc.framework.ui.control
Class VirtualListLineIterator

java.lang.Object
  com.cc.framework.ui.control.VirtualListLineIterator

All Implemented Interfaces:

LineIterator

public class VirtualListLineIterator

extends java.lang.Object

implements LineIterator

Class VirtualListLineIterator iterates only the in memory Rows of a virtual List

Version:

$Revision: 1.10 $

Author:

Harald Schulz

Field Summary

private int	current The current position
private VirtualListDataModel	dataModel The data model
private Principal	principal The principal object with the users permission
private ListStateModel	state The state model

Constructor Summary

VirtualListLineIterator(ListStateModel state, VirtualListDataModel dataModel, Principal principal)
Constructor

Method Summary

java.lang.Object	current() Returns the Object at the current position
java.lang.Object	current(java.lang.String property) Method current
int	currentCheckState() Returns the Check state -1 = The Item can not be checked.
int	currentIndex() Returns the current row index
java.lang.String	currentKey() Method curentKey
boolean	done() Checks if all items are processed
Principal	getPrincipal()
boolean	isMarked() Checks if the current Item is highlighted
boolean	isValidProperty(java.lang.String property) Checks if the current iteration element has the given property
void	next() Moves to the next element
void	prev() Moves to the previous element
void	reset() resets the iterator to the first element of the collection

Methods inherited from class java.lang.Object

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

Field Detail

current

private int current

The current position

state

private ListStateModel state

The state model

dataModel

private VirtualListDataModel dataModel

The data model

principal

private Principal principal

The principal object with the users permission

Constructor Detail

VirtualListLineIterator

public VirtualListLineIterator(ListStateModel state,
                               VirtualListDataModel dataModel,
                               Principal principal)

Constructor

Parameters:

state - The state model

dataModel - The data model for the list to be processed

principal - The principal object

Method Detail

done

public boolean done()

Description copied from interface: LineIterator

Checks if all items are processed

Specified by:

done in interface LineIterator

Returns:

boolean

See Also:

LineIterator.done()

current

public java.lang.Object current()

Description copied from interface: LineIterator

Returns the Object at the current position

Specified by:

current in interface LineIterator

Returns:

Object

See Also:

LineIterator.current()

current

public java.lang.Object current(java.lang.String property)

Description copied from interface: LineIterator

Method current

Specified by:

current in interface LineIterator

Parameters:

property - Bean Property Name

Returns:

Property Value

See Also:

LineIterator.current(String property)

isValidProperty

public boolean isValidProperty(java.lang.String property)

Description copied from interface: LineIterator

Checks if the current iteration element has the given property

Specified by:

isValidProperty in interface LineIterator

Parameters:

property - the property name

Returns:

true if the current bean possesses a matching property

See Also:

LineIterator.isValidProperty(java.lang.String)

currentKey

public java.lang.String currentKey()

Description copied from interface: LineIterator

Method curentKey

Specified by:

currentKey in interface LineIterator

Returns:

String

See Also:

LineIterator.currentKey()

currentCheckState

public int currentCheckState()

Description copied from interface: LineIterator

Returns the Check state

• -1 = The Item can not be checked. It has no Property
• 0 = The Item is not checked
• 1 = The Item is checked
• 2 = the state is undefined

Specified by:

currentCheckState in interface LineIterator

Returns:

integer

See Also:

LineIterator.currentCheckState()

currentIndex

public int currentIndex()

Returns the current row index

Specified by:

currentIndex in interface LineIterator

Returns:

row index

next

public void next()

Description copied from interface: LineIterator

Moves to the next element

Specified by:

next in interface LineIterator

See Also:

LineIterator.next()

prev

public void prev()

Description copied from interface: LineIterator

Moves to the previous element

Specified by:

prev in interface LineIterator

See Also:

LineIterator.prev()

isMarked

public boolean isMarked()

Description copied from interface: LineIterator

Checks if the current Item is highlighted

Specified by:

isMarked in interface LineIterator

Returns:

boolean True if the current item is selected

See Also:

LineIterator.isMarked()

reset

public void reset()

Description copied from interface: LineIterator

resets the iterator to the first element of the collection

Specified by:

reset in interface LineIterator

See Also:

LineIterator.reset()

getPrincipal

public Principal getPrincipal()

Returns:

Returns the principal.