Package snap.text

Class CharBlock

java.lang.Object

snap.props.PropObject

snap.text.CharBlock

All Implemented Interfaces:

CharSequence, PropChange.DoChange, CharSequenceX

public class CharBlock
extends PropObject
implements CharSequenceX

This class manages a list of char lines.

Field Summary

Fields inherited from class snap.props.PropObject

_pcs, EMPTY_OBJECT

Constructor Summary

Constructors

Constructor	Description
CharBlock()	Constructor.

Method Summary

Modifier and Type	Method	Description
protected void	addLine(CharLine charLine, int anIndex)	Adds a block at given index.
char	charAt(int charIndex)	Override to get char from line at char index.
protected CharLine	createLine()	Creates a new CharLine for use in this text.
CharLine	getLastLine()	Returns the last line.
CharLine	getLine(int anIndex)	Return individual line at given index.
int	getLineCount()	Return number of lines.
CharLine	getLineForCharIndex(int charIndex)	Returns the block at the given char index.
int	length()	Override to return length.
protected void	removeLine(int anIndex)	Removes the block at given index.
CharSequence	subSequence(int startCharIndex, int endCharIndex)	Override to get subsequence from lines.
protected void	updateLine(CharLine textLine, int newIndex, int newStartCharIndex)	Updates an individual line for new index and start char index.
protected void	updateLines(int anIndex)	Updates Lines from index line to text end to account for changed line.

Methods inherited from class snap.props.PropObject

addDeepChangeListener, addPropChangeListener, addPropChangeListener, clone, firePropChange, firePropChange, firePropChange, getPropDefault, getPropForName, getPropParent, getPropSet, getPropsForArchival, getPropsForArchivalExtra, getPropsString, getPropValue, initProps, isPropDefault, processPropChange, removeDeepChangeListener, removePropChangeListener, removePropChangeListener, setPropsString, setPropValue, setPropValues, toString, toStringProps

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.CharSequence

chars, codePoints, isEmpty, toString

Methods inherited from interface snap.util.CharSequenceX

getIndentLength, getIndentString, getLastChar, indexAfterNewline, indexAfterNewlineOrEnd, indexOfNewline, isAfterLineEnd, isLastCharNewline, isLineEnd, isLineEndChar, isWhiteSpace, lastIndexAfterNewline, lastIndexOfNewline, startsWith

Constructor Details

CharBlock

public CharBlock()

Constructor.

Method Details

getLineCount

public int getLineCount()

Return number of lines.

getLine

public CharLine getLine(int anIndex)

Return individual line at given index.

createLine

protected CharLine createLine()

Creates a new CharLine for use in this text.

addLine

protected void addLine(CharLine charLine,
 int anIndex)

Adds a block at given index.

removeLine

protected void removeLine(int anIndex)

Removes the block at given index.

updateLines

protected void updateLines(int anIndex)

Updates Lines from index line to text end to account for changed line.

updateLine

protected void updateLine(CharLine textLine,
 int newIndex,
 int newStartCharIndex)

Updates an individual line for new index and start char index.

getLastLine

public CharLine getLastLine()

Returns the last line.

getLineForCharIndex

public CharLine getLineForCharIndex(int charIndex)

Returns the block at the given char index.

length

public int length()

Override to return length.

Specified by:

length in interface CharSequence

charAt

public char charAt(int charIndex)

Override to get char from line at char index.

Specified by:

charAt in interface CharSequence

subSequence

public CharSequence subSequence(int startCharIndex,
 int endCharIndex)

Override to get subsequence from lines.

Specified by:

subSequence in interface CharSequence