X-Git-Url: http://secure.phpeclipse.com

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/LinePainter.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/LinePainter.java
deleted file mode 100644
index a3b7167..0000000
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/LinePainter.java
+++ /dev/null
@@ -1,172 +0,0 @@
-package net.sourceforge.phpeclipse.phpeditor;
-
-/*
- * (c) Copyright IBM Corp. 2000, 2001.
- * All Rights Reserved.
- */
-
-import org.eclipse.jface.text.BadLocationException;
-import org.eclipse.jface.text.IDocument;
-import org.eclipse.jface.text.Position;
-import org.eclipse.jface.text.source.ISourceViewer;
-import org.eclipse.swt.custom.LineBackgroundEvent;
-import org.eclipse.swt.custom.LineBackgroundListener;
-import org.eclipse.swt.custom.StyledText;
-import org.eclipse.swt.graphics.Color;
-import org.eclipse.swt.graphics.Point;
-
-public class LinePainter implements IPainter, LineBackgroundListener {
-
-	private final ISourceViewer fViewer;
-	private Color fHighlightColor;
-	private IPositionManager fPositionManager;
-
-	// positions to keep track of beginning and end of line to be painted or cleared
-	private Position fCurrentLine= new Position(0, 0);
-	private Position fLastLine= new Position(0, 0);
-	// used to keep track of the last line painted
-	private int fLastLineNumber= -1;
-	private boolean fIsActive;
-
-	public LinePainter(ISourceViewer sourceViewer) {
-		fViewer= sourceViewer;
-	}
-
-	public void setHighlightColor(Color highlightColor) {
-		fHighlightColor= highlightColor;
-	}
-
-	/*
-	 * @see LineBackgroundListener#lineGetBackground(LineBackgroundEvent)
-	 */
-	public void lineGetBackground(LineBackgroundEvent event) {
-		// don't use cached line information because of asynch painting
-
-		StyledText textWidget= fViewer.getTextWidget();
-		if (textWidget != null) {
-			
-			int caret= textWidget.getCaretOffset();
-			int length= event.lineText.length();
-
-			if (event.lineOffset <= caret && caret <= event.lineOffset + length)
-				event.lineBackground= fHighlightColor;
-			else
-				event.lineBackground= textWidget.getBackground();
-		}
-	}
-
-	private boolean updateHighlightLine() {
-		try {
-
-			IDocument document= fViewer.getDocument();
-
-			int offset= fViewer.getTextWidget().getCaretOffset() + fViewer.getVisibleRegion().getOffset();
-			int lineNumber= document.getLineOfOffset(offset);
-						
-			// redraw if the current line number is different from the last line number we painted
-			// initially fLastLineNumber is -1
-			if (lineNumber != fLastLineNumber) {
-				
-				fLastLine.offset= fCurrentLine.offset;
-				fLastLine.length= fCurrentLine.length;
-				fLastLine.isDeleted= fCurrentLine.isDeleted;
-
-				fCurrentLine.isDeleted= false;
-				fCurrentLine.offset= document.getLineOffset(lineNumber);
-				if (lineNumber == document.getNumberOfLines() - 1)
-					fCurrentLine.length= document.getLength() - fCurrentLine.offset;
-				else
-					fCurrentLine.length=	document.getLineOffset(lineNumber + 1) - fCurrentLine.offset;
-				
-				fLastLineNumber= lineNumber;
-				return true;
-				
-			}
-			
-		} catch (BadLocationException e) {
-		}
-
-		return false;
-	}
-
-	private void drawHighlightLine(Position position, int visibleOffset) {
-		StyledText textWidget= fViewer.getTextWidget();
-		
-		// if the position that is about to be drawn was deleted then we can't
-		if (position.isDeleted())
-			return;		
-		
-		int delta= position.offset - visibleOffset;
-		if (0 <= delta && delta <= fViewer.getVisibleRegion().getLength()) {
-			Point upperLeft= textWidget.getLocationAtOffset(delta);
-			int width= textWidget.getClientArea().width + textWidget.getHorizontalPixel();
-			int height= textWidget.getLineHeight();
-			textWidget.redraw(upperLeft.x, upperLeft.y, width, height, false);
-		}
-	}
-
-	/*
-	 * @see IPainter#deactivate(boolean)
-	 */
-	public void deactivate(boolean redraw) {
-		if (fIsActive) {
-			fIsActive= false;
-			
-			/* on turning off the feature one has to paint the currently 
-			 * highlighted line with the standard background color 
-			 */
-			if (redraw)
-				drawHighlightLine(fCurrentLine, fViewer.getVisibleRegion().getOffset());
-				
-			fViewer.getTextWidget().removeLineBackgroundListener(this);
-			
-			if (fPositionManager != null)
-				fPositionManager.removeManagedPosition(fCurrentLine);
-				
-			fLastLineNumber= -1;
-		}
-	}
-
-	/*
-	 * @see IPainter#dispose()
-	 */
-	public void dispose() {
-	}
-
-	/*
-	 * @see IPainter#paint(int)
-	 */
-	public void paint(int reason) {
-		
-		// check selection
-		Point selection= fViewer.getTextWidget().getSelectionRange();
-		if (selection.y > 0) {
-			deactivate(true);
-			return;
-		}
-		
-		// initialization
-		if (!fIsActive) {
-			fViewer.getTextWidget().addLineBackgroundListener(this);
-			fPositionManager.addManagedPosition(fCurrentLine);
-			fIsActive= true;
-		}
-		
-		//redraw line highlight only if it hasn't been drawn yet on the respective line
-		if (updateHighlightLine()) {
-			// used to handle segmented view of source files
-			int visibleRegionOffset= fViewer.getVisibleRegion().getOffset();
-			// clear last line
-			drawHighlightLine(fLastLine, visibleRegionOffset);
-			// draw new line
-			drawHighlightLine(fCurrentLine, visibleRegionOffset);
-		}
-	}
-
-	/*
-	 * @see IPainter#setPositionManager(IPositionManager)
-	 */
-	public void setPositionManager(IPositionManager manager) {
-		fPositionManager = manager;
-	}
-}
\ No newline at end of file