org.deft.extension.tools.astlayouter
Class ASTLayout

java.lang.Object
  org.deft.extension.tools.astlayouter.ASTLayout

public class ASTLayout
extends java.lang.Object

Representation of the complete layout behind a AST.

Author:

Martin Heinzerling

Constructor Summary

ASTLayout(java.util.List<org.deft.repository.ast.TokenNode> tokenNodes)

Method Summary

TokenLine	getLine(int line)
TokenLine	getLine(org.deft.repository.ast.Token t)
java.lang.Integer	getNextValidLine(int current)
int	getPreviousRealLine(int current)
java.lang.Integer	getPreviousValidLine(int current)
int	lastLine()
void	moveCol(int selectedLine, int offset) Moves a line in horizontal direction.
void	moveLinesAfterLine(int targetLine, int offset) Moves tokens after a line by a given line offset.
void	moveLinesBeginningByToken(org.deft.repository.ast.Token token, int offset) Moves tokens by a given line offset.
void	reload(java.util.List<org.deft.repository.ast.TokenNode> tokenNodes) Reloads a AST (i.e. after modification) without recalculating the line break width.
void	repairOffset() Recalculates the offset of each token in the layout.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ASTLayout

public ASTLayout(java.util.List<org.deft.repository.ast.TokenNode> tokenNodes)

Method Detail

reload

public void reload(java.util.List<org.deft.repository.ast.TokenNode> tokenNodes)

Reloads a AST (i.e. after modification) without recalculating the line break width.

Parameters:

tokenNodes - serialized AST

repairOffset

public void repairOffset()

Recalculates the offset of each token in the layout. Recommended after last operation.

getLine

public TokenLine getLine(int line)

Parameters:

line - line index

Returns:

TokenLine

getLine

public TokenLine getLine(org.deft.repository.ast.Token t)

Parameters:

t - in line

Returns:

TokenLine

getNextValidLine

public java.lang.Integer getNextValidLine(int current)

Parameters:

current - current line index

Returns:

index of next filled line.

getPreviousValidLine

public java.lang.Integer getPreviousValidLine(int current)

Parameters:

current - current line index

Returns:

index of the previous filled line (also multilines)

getPreviousRealLine

public int getPreviousRealLine(int current)

Parameters:

current - current line index

Returns:

index of the previous filled line (no multilines)

moveLinesBeginningByToken

public void moveLinesBeginningByToken(org.deft.repository.ast.Token token,
                                      int offset)

Moves tokens by a given line offset.

Parameters:

token - Token

offset - lines

moveLinesAfterLine

public void moveLinesAfterLine(int targetLine,
                               int offset)

Moves tokens after a line by a given line offset.

Parameters:

targetLine - line index

offset - lines

moveCol

public void moveCol(int selectedLine,
                    int offset)

Moves a line in horizontal direction. (Negative values allowed).

Parameters:

selectedLine - index

offset - cols

lastLine

public int lastLine()

Returns:

last line in layout

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object