org.netbeans.editor
Class MarkBlockChain

java.lang.Object
  org.netbeans.editor.MarkBlockChain

public class MarkBlockChain
extends Object

Support class for chain of MarkBlocks

Field Summary

protected MarkBlock	chain Chain of all blocks
protected MarkBlock	currentBlock Current block to make checks faster
protected BaseDocument	doc Document for this block
static String	PROP_BLOCKS_CHANGED

Constructor Summary

MarkBlockChain(BaseDocument doc)
Construct chain using regular base marks

Method Summary

void	addBlock(int startPos, int endPos, boolean concat) Add non-empty block to the chain of blocks
void	addPropertyChangeListener(PropertyChangeListener l)
int	adjustToBlockEnd(int pos)
int	adjustToNextBlockStart(int pos) Return the position adjusted to the start of the next mark-block.
protected MarkBlock	checkedRemove(MarkBlock blk) Removes mark block and possibly updates the chain.
int	compareBlock(int startPos, int endPos) Tests whether the position range is partly or fully inside some mark block from the chain.
protected MarkBlock	createBlock(int startPos, int endPos)
protected Mark	createBlockEndMark()
protected Mark	createBlockStartMark()
MarkBlock	getChain()
void	removeBlock(int startPos, int endPos) Remove non-empty block from area covered by blocks from chain
void	removeEmptyBlocks()
void	removePropertyChangeListener(PropertyChangeListener l)
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

PROP_BLOCKS_CHANGED

public static final String PROP_BLOCKS_CHANGED

See Also:

Constant Field Values

chain

protected MarkBlock chain

Chain of all blocks

currentBlock

protected MarkBlock currentBlock

Current block to make checks faster

doc

protected BaseDocument doc

Document for this block

Constructor Detail

MarkBlockChain

public MarkBlockChain(BaseDocument doc)

Construct chain using regular base marks

Method Detail

addPropertyChangeListener

public void addPropertyChangeListener(PropertyChangeListener l)

removePropertyChangeListener

public void removePropertyChangeListener(PropertyChangeListener l)

getChain

public final MarkBlock getChain()

compareBlock

public int compareBlock(int startPos,
                        int endPos)

Tests whether the position range is partly or fully inside some mark block from the chain.

Parameters:

startPos - starting position of tested area

endPos - ending position of tested area for removal or same as startPos when insert is made

Returns:

relation of currentBlock to the given block

removeEmptyBlocks

public void removeEmptyBlocks()

createBlock

protected MarkBlock createBlock(int startPos,
                                int endPos)
                         throws BadLocationException

Throws:

BadLocationException

createBlockStartMark

protected Mark createBlockStartMark()

createBlockEndMark

protected Mark createBlockEndMark()

addBlock

public void addBlock(int startPos,
                     int endPos,
                     boolean concat)

Add non-empty block to the chain of blocks

Parameters:

concat - whether concatenate adjacent blocks

removeBlock

public void removeBlock(int startPos,
                        int endPos)

Remove non-empty block from area covered by blocks from chain

checkedRemove

protected MarkBlock checkedRemove(MarkBlock blk)

Removes mark block and possibly updates the chain.

Returns:

next block after removed one

adjustToBlockEnd

public int adjustToBlockEnd(int pos)

adjustToNextBlockStart

public int adjustToNextBlockStart(int pos)

Return the position adjusted to the start of the next mark-block.

toString

public String toString()

Overrides:

toString in class Object