/*
* @see IPainter#paint(int)
*/
public void paint(int reason) {
if (fViewer == null) {
return;
}
if (fViewer.getDocument() == null) {
deactivate(false);
return;
}
// initialization
if (!fIsActive) {
StyledText textWidget = fViewer.getTextWidget();
textWidget.addLineBackgroundListener(this);
textWidget.addPaintListener(this);
fPositionManager.managePosition(fCurrentLine);
fIsActive = true;
}
// This forces redraw of the line highlight
if (updateHighlightLine()) {
// clear last line
// Fix the background colors for tokens that didn't have the same as line!
if (isOpaque() && !fLastLine.isDeleted() && fViewer instanceof ITextViewerExtension2) {
ITextViewerExtension2 ext = (ITextViewerExtension2) fViewer;
try {
ext.invalidateTextPresentation(fLastLine.getOffset(), fLastLine.getLength());
} catch (Exception e) {
IdeLog.logError(CommonEditorPlugin.getDefault(), e);
}
}
drawHighlightLine(fLastLine);
// draw new line
drawHighlightLine(fCurrentLine);
}
}
private void createHighlighting(Class<SourceViewer> sourceViewerClazz)
throws IllegalArgumentException, IllegalAccessException, SecurityException,
NoSuchFieldException {
// TODO this could use some performance tweaks
final StyledText styledText = sourceViewer.getTextWidget();
styledText.addLineBackgroundListener(new ColoringLineBackgroundListener(styledText));
}
/**
* Installs this highlighter into the specified StyledText object. Client can manually call
* detach() method, then wants to destroy this object.
*/
public void attach(StyledText parent) {
detach();
text = parent;
text.addDisposeListener(ml);
text.addLineStyleListener(ml);
text.addLineBackgroundListener(ml);
text.addPaintListener(ml);
text.addVerifyListener(ml);
text.addExtendedModifyListener(ml);
text.addControlListener(ml);
text.addKeyListener(ml);
text.addTraverseListener(ml);
text.addMouseListener(ml);
text.addSelectionListener(ml);
text.getContent().addTextChangeListener(ml);
ScrollBar sb = text.getVerticalBar();
if (sb != null) sb.addSelectionListener(ml);
updateViewport();
new Thread() {
public void run() {
// setPriority(Thread.NORM_PRIORITY-1);
while (true) {
try {
sleep(300);
} catch (InterruptedException e) {
}
if (baseEditor == null || text == null) break;
if (backParserDelay) {
backParserDelay = false;
try {
sleep(1500);
} catch (InterruptedException e) {
}
continue;
}
;
Display.getDefault()
.syncExec(
new Runnable() {
public void run() {
if (baseEditor == null || text == null) return;
if (text.isDisposed()) return;
// System.out.println(System.currentTimeMillis());
baseEditor.idleJob(80);
// redrawFrom(text.getLineAtOffset(text.getCaretOffset()));
}
});
}
;
};
}.start();
}
