org.zaval.data
Class SingleLineTxt

java.lang.Object
  |
  +--org.zaval.data.SingleLineTxt

All Implemented Interfaces:

TextModel

public class SingleLineTxt

extends java.lang.Object

implements TextModel

This class is an impl ementation of TextModel interface. It is used to represent single line text, it means that in any case the specified input string is parsed to single line (you can use '\n' delimiter, but it will not have effect) text with the implementation.

Constructor Summary

SingleLineTxt(java.lang.String s)
Constructs a new text with the given text.

SingleLineTxt(java.lang.String s, int max)
Constructs a new text with the given text and the specified maximal length.

Method Summary

void	addTextListener(TextListener l) Adds the specified text listener.
int	getExtraChar(int i) Gets special extra char that is used to store extra information by the specified index.
java.lang.String	getLine(int line) Returns the line at the specified line number.
int	getSize() Returns the line number of the text.
java.lang.String	getText() Returns the original text data that have been set with setText method.
int	getTextLength() Returns the text length.
void	remove(int offset, int size) Removes a text at the specified offset with the size.
void	removeTextListener(TextListener l) Removes the specified text listener.
void	setExtraChar(int i, int ch) Sets special extra char that is used to store extra information by the specified index.
void	setText(java.lang.String text) Sets the specified text data.
void	write(char ch, int offset) Inserts the specified character at the given offset.
void	write(java.lang.String s, int offset) Inserts the specified text at the given offset.

Methods inherited from class java.lang.Object

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

Constructor Detail

SingleLineTxt

public SingleLineTxt(java.lang.String s)

Constructs a new text with the given text.

Parameters:

s - the initial value of the text.

SingleLineTxt

public SingleLineTxt(java.lang.String s,
                     int max)

Constructs a new text with the given text and the specified maximal length.

Parameters:

s - the initial value of the text.

max - the specified maximal length.

Method Detail

getLine

public java.lang.String getLine(int line)

Returns the line at the specified line number.

Specified by:

getLine in interface TextModel

Parameters:

line - the specified line number. The implementation doesn't use the argument, since this is single line implementation.

Returns:

a line at the specified line number.

setText

public void setText(java.lang.String text)

Sets the specified text data. The method performs the text data parsing process. The process decides how the text data have to be divided into lines. The implementation use the input text as is.

Specified by:

setText in interface TextModel

Parameters:

text - the text data.

getText

public java.lang.String getText()

Returns the original text data that have been set with setText method.

Specified by:

getText in interface TextModel

Returns:

an original text data.

getSize

public int getSize()

Returns the line number of the text.

Specified by:

getSize in interface TextModel

Returns:

a line number.

write

public void write(java.lang.String s,
                  int offset)

Inserts the specified text at the given offset. The offset has to be less than the text length. The method performs re-parsing of the text.

Specified by:

write in interface TextModel

Parameters:

s - the text to be inserted.

offset - the offset where the text will be inserted.

write

public void write(char ch,
                  int offset)

Inserts the specified character at the given offset. The offset has to be less than the text length. The method performs re-parsing of the text.

Specified by:

write in interface TextModel

Parameters:

ch - the character to be inserted.

offset - the offset where the character will be inserted.

remove

public void remove(int offset,
                   int size)

Removes a text at the specified offset with the size. The offset and the offset plus the size have to be less than the text length.

Specified by:

remove in interface TextModel

Parameters:

offset - the offset where the text will be removed.

size - the size of the part that is going to be removed.

addTextListener

public void addTextListener(TextListener l)

Adds the specified text listener.

Specified by:

addTextListener in interface TextModel

Parameters:

l - the text listener.

removeTextListener

public void removeTextListener(TextListener l)

Removes the specified text listener.

Specified by:

removeTextListener in interface TextModel

Parameters:

l - the text listener.

See Also:

TextListener, TextEvent

getTextLength

public int getTextLength()

Returns the text length.

Specified by:

getTextLength in interface TextModel

Returns:

a text length.

getExtraChar

public int getExtraChar(int i)

Description copied from interface: TextModel

Gets special extra char that is used to store extra information by the specified index. The method is depricated to be used, because it will be probably re-designed in the future.

Specified by:

getExtraChar in interface TextModel

Following copied from interface: org.zaval.data.TextModel

Parameters:

i - the specified extra char index.

Returns:

an extra char value.

setExtraChar

public void setExtraChar(int i,
                         int ch)

Description copied from interface: TextModel

Sets special extra char that is used to store extra information by the specified index. The method is depricated to be used, because it will probably be re-designed in the future.

Specified by:

setExtraChar in interface TextModel

Following copied from interface: org.zaval.data.TextModel

Parameters:

i - the specified extra char index.

val - the specified extra char value.