edu.rice.cs.drjava.ui
Class ErrorCaretListener

java.lang.Object
  edu.rice.cs.drjava.ui.ErrorCaretListener

All Implemented Interfaces:

EventListener, CaretListener

public class ErrorCaretListener
extends Object
implements CaretListener

Listens to the caret in the associated DefinitionsPane and highlights the text containing CompilerErrors.

Version:

$Id: ErrorCaretListener.java 5553 2012-05-01 17:28:45Z rcartwright $

Field Summary

private DefinitionsPane	_definitionsPane
protected MainFrame	_frame
private OpenDefinitionsDocument	_openDoc

Constructor Summary

ErrorCaretListener(OpenDefinitionsDocument doc, DefinitionsPane defPane, MainFrame frame)
Constructs a new caret listener to highlight errors.

Method Summary

private void	_highlightErrorInSource(Position pos) Highlights the given error in the source.
void	caretUpdate(CaretEvent evt) After each update to the caret, determine if changes in highlighting need to be made.
OpenDefinitionsDocument	getOpenDefDoc() Gets the OpenDefinitionsDocument corresponding to this listener.
void	removeHighlight() Hides the error highlight in the document.
void	updateHighlight(int curPos) Update the highlight appropriately.

Methods inherited from class java.lang.Object

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

Field Detail

_openDoc

private final OpenDefinitionsDocument _openDoc

_definitionsPane

private final DefinitionsPane _definitionsPane

_frame

protected final MainFrame _frame

Constructor Detail

ErrorCaretListener

public ErrorCaretListener(OpenDefinitionsDocument doc,
                          DefinitionsPane defPane,
                          MainFrame frame)

Constructs a new caret listener to highlight errors.

Method Detail

getOpenDefDoc

public OpenDefinitionsDocument getOpenDefDoc()

Gets the OpenDefinitionsDocument corresponding to this listener.

caretUpdate

public void caretUpdate(CaretEvent evt)

After each update to the caret, determine if changes in highlighting need to be made. Highlights the line if the compiler output tab is showing. Only runs in the event thread.

Specified by:

caretUpdate in interface CaretListener

updateHighlight

public void updateHighlight(int curPos)

Update the highlight appropriately.

removeHighlight

public void removeHighlight()

Hides the error highlight in the document.

_highlightErrorInSource

private void _highlightErrorInSource(Position pos)

Highlights the given error in the source. Only runs in event thread.

Parameters:

pos - the position of the error