sk.uniba.euromath.editor.textEditor
Class TextPieceSelectionStatusImpl

java.lang.Object
  sk.uniba.euromath.editor.textEditor.TextPieceSelectionStatusImpl

All Implemented Interfaces:

ITextPieceSelectionStatus

public class TextPieceSelectionStatusImpl
extends Object
implements ITextPieceSelectionStatus

Selection status for text piece. To store intervals is used HashSet instead of bit map, because most selections are very simple - one big interval.

Author:

Tomáš Studva 24.1.2006 Martin Kollar

Constructor Summary

TextPieceSelectionStatusImpl(ITextPieceKeeper keeper)
Constructor.

Method Summary

void	addSelectionInterval(Interval interval) Adds interval to selection.
void	clear() Clears the selection
List<Interval>	getSelectionIntervals() Returns selection that relates to this text piece.
boolean	isFullySelected() Test if whole text is selected.
boolean	isPartlySelected() Test if something is selected, but not everything
void	selectFull() Select whole text of keeper.
void	setSelectionIntervals(Collection<Interval> intervals) Sets what is selected
void	subtractSelectionInterval(Interval interval) Subtracts interval from selection
void	xorSelectionIntervals(Collection<Interval> intervals) Makes XOR with this new interval

Methods inherited from class java.lang.Object

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

Constructor Detail

TextPieceSelectionStatusImpl

public TextPieceSelectionStatusImpl(ITextPieceKeeper keeper)

Constructor. Creates text selection status for text piece.

Parameters:

keeper - about associated text piece

Method Detail

clear

public void clear()

Description copied from interface: ITextPieceSelectionStatus

Clears the selection

Specified by:

clear in interface ITextPieceSelectionStatus

getSelectionIntervals

public List<Interval> getSelectionIntervals()

Description copied from interface: ITextPieceSelectionStatus

Returns selection that relates to this text piece.

Specified by:

getSelectionIntervals in interface ITextPieceSelectionStatus

Returns:

list by copy, not overlapping Intervals within text piece.

isPartlySelected

public boolean isPartlySelected()

Description copied from interface: ITextPieceSelectionStatus

Test if something is selected, but not everything

Specified by:

isPartlySelected in interface ITextPieceSelectionStatus

Returns:

true, if something is selected, but it is not fully selected

isFullySelected

public boolean isFullySelected()

Description copied from interface: ITextPieceSelectionStatus

Test if whole text is selected.

Specified by:

isFullySelected in interface ITextPieceSelectionStatus

Returns:

true, if whole ITextPieceKeeper is selected

setSelectionIntervals

public void setSelectionIntervals(Collection<Interval> intervals)

Description copied from interface: ITextPieceSelectionStatus

Sets what is selected

Specified by:

setSelectionIntervals in interface ITextPieceSelectionStatus

Parameters:

intervals - Collection of intervals, that are in range text and are not overlaping

addSelectionInterval

public void addSelectionInterval(Interval interval)

Description copied from interface: ITextPieceSelectionStatus

Adds interval to selection. After addition intervals are tidied to not overlap.

Specified by:

addSelectionInterval in interface ITextPieceSelectionStatus

Parameters:

interval - Interval to add to selection

xorSelectionIntervals

public void xorSelectionIntervals(Collection<Interval> intervals)

Description copied from interface: ITextPieceSelectionStatus

Makes XOR with this new interval

Specified by:

xorSelectionIntervals in interface ITextPieceSelectionStatus

Parameters:

intervals - Interval to XOR with others

subtractSelectionInterval

public void subtractSelectionInterval(Interval interval)

Description copied from interface: ITextPieceSelectionStatus

Subtracts interval from selection

Specified by:

subtractSelectionInterval in interface ITextPieceSelectionStatus

Parameters:

interval - Interval to subtract

selectFull

public void selectFull()

Description copied from interface: ITextPieceSelectionStatus

Select whole text of keeper.

Specified by:

selectFull in interface ITextPieceSelectionStatus