org.eclipse.swt.graphics.TextLayout Java Examples

/**
 * Creates and initializes the text layout used to compute the size hint.
 * 
 * @since 3.2
 */
private void createTextLayout() {
	fTextLayout = new TextLayout(fSashForm.getDisplay());

	// Initialize fonts
	String symbolicFontName = fSymbolicFontName == null ? JFaceResources.DIALOG_FONT : fSymbolicFontName;
	Font font = JFaceResources.getFont(symbolicFontName);
	fTextLayout.setFont(font);
	fTextLayout.setWidth(-1);
	font = JFaceResources.getFontRegistry().getBold(symbolicFontName);
	fBoldStyle = new TextStyle(font, null, null);

	// Compute and set tab width
	fTextLayout.setText("    "); //$NON-NLS-1$
	int tabWidth = fTextLayout.getBounds().width;
	fTextLayout.setTabs(new int[] { tabWidth });
	fTextLayout.setText(""); //$NON-NLS-1$
}
 

/**
 * Creates and initializes the text layout used to compute the size hint.
 * 
 * @since 3.2
 */
private void createTextLayout()
{
	fTextLayout = new TextLayout(fBrowser.getDisplay());

	// Initialize fonts
	String symbolicFontName = fSymbolicFontName == null ? JFaceResources.DIALOG_FONT : fSymbolicFontName;
	Font font = JFaceResources.getFont(symbolicFontName);
	fTextLayout.setFont(font);
	fTextLayout.setWidth(-1);
	font = JFaceResources.getFontRegistry().getBold(symbolicFontName);
	fBoldStyle = new TextStyle(font, null, null);

	// Compute and set tab width
	fTextLayout.setText("    "); //$NON-NLS-1$
	int tabWidth = fTextLayout.getBounds().width;
	fTextLayout.setTabs(new int[] { tabWidth });
	fTextLayout.setText(""); //$NON-NLS-1$
}
 

protected void drawBlankString( Graphics g, String s )
{
	TextLayout tl = new TextLayout( Display.getCurrent( ) );

	// bidi_hcg: Apply text direction
	tl.setOrientation( this.rtl ? SWT.RIGHT_TO_LEFT : SWT.LEFT_TO_RIGHT );
	
	tl.setText( s );
	Rectangle rc = tl.getBounds( );

	int left = ( getClientArea( ).width - rc.width ) / 2;
	int top = ( getClientArea( ).height - rc.height ) / 2;

	g.drawText( s, getClientArea( ).x + left, getClientArea( ).y + top );
	tl.dispose();
}
 

public int getPreferredHeight(LayerCell cell, GC gc, IConfigRegistry configRegistry) {
	if (innerTagFactory == null) {
		innerTagFactory = new XliffInnerTagFactory(placeHolderBuilder);
	}
	innerTagFactory.reset();
	TextLayout layout = getCellTextLayout(cell);

	int counts = layout.getLineCount();
	int contentHeight = 0;
	for (int i = 0; i < counts; i++) {
		contentHeight += layout.getLineBounds(i).height;
	}
	layout.dispose();
	contentHeight += Math.max(counts - 1, 0) * SEGMENT_LINE_SPACING;
	contentHeight += 4;// 加上编辑模式下，StyledTextCellEditor的边框
	contentHeight += topPadding;
	contentHeight += bottomPadding;
	return contentHeight;
}
 

public static void configure(TextLayout textLayout) {
	String text = textLayout.getText();
	Document doc = new Document(text);
	ITokenScanner scanner = getRecipeScanner(doc);
	scanner.setRange(doc, 0, doc.getLength());
	IToken token;
	while ((token = scanner.nextToken()) != Token.EOF) {
		int offset = scanner.getTokenOffset();
		int length = scanner.getTokenLength();
		Object data = token.getData();
		if (data != null && data instanceof TextStyle) {
			TextStyle textStyle = (TextStyle) data;
			textLayout.setStyle(textStyle, offset, offset + length - 1);
		}
	}
}
 

public static void configure(TextLayout textLayout) {
	String text = textLayout.getText();
	Document doc = new Document(text);
	ITokenScanner scanner = getRecipeScanner(doc);
	scanner.setRange(doc, 0, doc.getLength());
	IToken token;
	while ((token = scanner.nextToken()) != Token.EOF) {
		int offset = scanner.getTokenOffset();
		int length = scanner.getTokenLength();
		Object data = token.getData();
		if (data != null && data instanceof TextStyle) {
			TextStyle textStyle = (TextStyle) data;
			textLayout.setStyle(textStyle, offset, offset + length - 1);
		}
	}
}
 

public static void configure(TextLayout textLayout) {
	String text = textLayout.getText();
	Document doc = new Document(text);
	ITokenScanner scanner = getRecipeScanner(doc);
	scanner.setRange(doc, 0, doc.getLength());
	IToken token;
	while ((token = scanner.nextToken()) != Token.EOF) {
		int offset = scanner.getTokenOffset();
		int length = scanner.getTokenLength();
		Object data = token.getData();
		if (data != null && data instanceof TextStyle) {
			TextStyle textStyle = (TextStyle) data;
			textLayout.setStyle(textStyle, offset, offset + length - 1);
		}
	}
	scanner = null;
	doc = null;
}
 

public TextLayout getTextLayout(GC gc, GridItem item, int columnIndex, boolean innerTagStyled, boolean drawInnerTag) {
	TextLayout layout = new TextLayout(gc.getDevice());
	layout.setFont(JFaceResources.getFont(net.heartsome.cat.ts.ui.Constants.MATCH_VIEWER_TEXT_FONT));
	innerTagFactory.reset();
	
	String displayStr = "";
	try{
		displayStr = InnerTagUtil.resolveTag(innerTagFactory.parseInnerTag(item.getText(columnIndex)));
	}catch (NullPointerException e) {
		return null;
	}
	layout.setText(displayStr);
	int width = getBounds().width - leftMargin - rightMargin;
	layout.setWidth(width < 1 ? 1 : width);
	layout.setSpacing(Constants.SEGMENT_LINE_SPACING);
	layout.setAlignment(SWT.LEFT);

	if (displayStr.length() != 0 && innerTagStyled) {
		attachInnertTagStyle(gc, layout, drawInnerTag);
	}
	return layout;
}
 

public static void configure(TextLayout textLayout) {
	String text = textLayout.getText();
	Document doc = new Document(text);
	ITokenScanner scanner = getRecipeScanner(doc);
	scanner.setRange(doc, 0, doc.getLength());
	IToken token;
	while ((token = scanner.nextToken()) != Token.EOF) {
		int offset = scanner.getTokenOffset();
		int length = scanner.getTokenLength();
		Object data = token.getData();
		if (data != null && data instanceof TextStyle) {
			TextStyle textStyle = (TextStyle) data;
			textLayout.setStyle(textStyle, offset, offset + length - 1);
		}
	}
	scanner = null;
	doc = null;
}
 

public int getPreferredHeight(LayerCell cell, GC gc, IConfigRegistry configRegistry) {
	if (innerTagFactory == null) {
		innerTagFactory = new XliffInnerTagFactory(placeHolderBuilder);
	}
	innerTagFactory.reset();
	TextLayout layout = getCellTextLayout(cell);

	int counts = layout.getLineCount();
	int contentHeight = 0;
	for (int i = 0; i < counts; i++) {
		contentHeight += layout.getLineBounds(i).height;
	}
	layout.dispose();
	contentHeight += Math.max(counts - 1, 0) * SEGMENT_LINE_SPACING;
	contentHeight += 4;// 加上编辑模式下，StyledTextCellEditor的边框
	contentHeight += topPadding;
	contentHeight += bottomPadding;
	return contentHeight;
}
 

public TextLayout getTextLayout(GC gc, GridItem item, int columnIndex, boolean innerTagStyled, boolean drawInnerTag) {
	TextLayout layout = new TextLayout(gc.getDevice());
	layout.setFont(font);
	layout.setTabs(new int[]{tabWidth});
	innerTagFactory.reset();
	
	String displayStr = "";
	try{
		displayStr = InnerTagUtil.resolveTag(innerTagFactory.parseInnerTag(item.getText(columnIndex)));
	}catch (NullPointerException e) {
		return null;
	}
	layout.setText(displayStr);
	int width = getBounds().width - leftMargin - rightMargin;
	layout.setWidth(width < 1 ? 1 : width);
	layout.setSpacing(Constants.SEGMENT_LINE_SPACING);
	layout.setAlignment(SWT.LEFT);
	layout.setOrientation(item.getParent().getOrientation());
	if (displayStr.length() != 0 && innerTagStyled) {
		attachInnertTagStyle(gc, layout, drawInnerTag);
	}
	return layout;
}
 

protected void drawInnerTag(GC gc, TextLayout layout) {
	String displayStr = layout.getText();
	List<InnerTagBean> innerTagBeans = innerTagFactory.getInnerTagBeans();
	Rectangle bounds = getBounds();
	for (InnerTagBean innerTagBean : innerTagBeans) {
		String placeHolder = placeHolderBuilder.getPlaceHolder(innerTagBeans, innerTagBeans.indexOf(innerTagBean));
		int start = displayStr.indexOf(placeHolder);
		if (start == -1) {
			continue;
		}			
		if (gc != null) {
			Point p = layout.getLocation(start, false);
			int x = bounds.x + p.x + leftMargin;
			x += SEGMENT_LINE_SPACING;

			Point tagSize = tagRender.calculateTagSize(innerTagBean);
			int lineIdx = layout.getLineIndex(start);
			Rectangle r = layout.getLineBounds(lineIdx);
			int y = bounds.y + p.y + topMargin + r.height / 2 - tagSize.y /2;				
			tagRender.draw(gc, innerTagBean, x, y - layout.getAscent());
		}
	}
}
 

public static void configure(TextLayout textLayout) {
	String text = textLayout.getText();
	Document doc = new Document(text);
	ITokenScanner scanner = getRecipeScanner(doc);
	scanner.setRange(doc, 0, doc.getLength());
	IToken token;
	while ((token = scanner.nextToken()) != Token.EOF) {
		int offset = scanner.getTokenOffset();
		int length = scanner.getTokenLength();
		Object data = token.getData();
		if (data != null && data instanceof TextStyle) {
			TextStyle textStyle = (TextStyle) data;
			textLayout.setStyle(textStyle, offset, offset + length - 1);
		}
	}
}
 

@Override
public int getPreferredHeight(LayerCell cell, GC gc, IConfigRegistry configRegistry) {
	TextLayout layout = getCellTextLayout(cell);
	int contentHeight = layout.getBounds().height;
	layout.dispose();
	tuv = null;
	contentHeight += topPadding;
	contentHeight += bottomPadding;
	contentHeight += 4;// 加上编辑模式下，StyledTextCellEditor的边框
	return contentHeight;
}
 

@Override
public void paintCell(LayerCell cell, GC gc, Rectangle bounds, IConfigRegistry configRegistry) {
	super.paintCell(cell, gc, bounds, configRegistry);
	IStyle cellStyle = CellStyleUtil.getCellStyle(cell, configRegistry);
	setupGCFromConfig(gc, cellStyle);

	TextLayout layout = getCellTextLayout(cell);
	Rectangle rectangle = cell.getBounds();
	layout.draw(gc, rectangle.x + leftPadding, rectangle.y + topPadding);
	layout.dispose();
}
 

@Override
public int getPreferredHeight(LayerCell cell, GC gc, IConfigRegistry configRegistry) {
	TextLayout layout = getCellTextLayout(cell);
	int contentHeight = layout.getBounds().height;
	layout.dispose();
	contentHeight += topPadding;
	contentHeight += bottomPadding;
	contentHeight += 4;// 加上编辑模式下，StyledTextCellEditor的边框
	return contentHeight;
}
 

/**
 * 设置字体
 * @param font
 *            ;
 */
public void setFont(Font font) {
	TextLayout layout = new TextLayout(Display.getDefault());
	layout.setFont(font);
	StringBuffer tabBuffer = new StringBuffer(tabSize);
	for (int i = 0; i < tabSize; i++) {
		tabBuffer.append(' ');
	}
	layout.setText(tabBuffer.toString());
	tabWidth = layout.getBounds().width;
	layout.dispose();
	this.font = font;
}
 

private TextLayout getCellTextLayout(LayerCell cell) {
	int orientation = editor.getTable().getStyle() & (SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT);
	TextLayout layout = new TextLayout(editor.getTable().getDisplay());
	layout.setOrientation(orientation);
	layout.setSpacing(Constants.SEGMENT_LINE_SPACING);
	layout.setFont(font);
	layout.setAscent(ascent);
	layout.setDescent(descent); // 和 StyledTextEditor 同步
	layout.setTabs(new int[] { tabWidth });

	Rectangle rectangle = cell.getBounds();
	int width = rectangle.width - leftPadding - rightPadding;
	width -= 1;
	if (wrapText && width > 0) {
		layout.setWidth(width);
	}

	String displayText = InnerTagUtil.resolveTag(innerTagFactory.parseInnerTag((String) cell.getDataValue()));
	if (XliffEditorParameter.getInstance().isShowNonpirnttingCharacter()) {
		displayText = displayText.replaceAll("\\n", Constants.LINE_SEPARATOR_CHARACTER + "\n");
		displayText = displayText.replaceAll("\\t", Constants.TAB_CHARACTER + "");
		displayText = displayText.replaceAll(" ", Constants.SPACE_CHARACTER + "");
	}
	layout.setText(displayText);
	List<InnerTagBean> innerTagBeans = innerTagFactory.getInnerTagBeans();
	for (InnerTagBean innerTagBean : innerTagBeans) {
		String placeHolder = placeHolderBuilder.getPlaceHolder(innerTagBeans, innerTagBeans.indexOf(innerTagBean));
		int start = displayText.indexOf(placeHolder);
		if (start == -1) {
			continue;
		}
		TextStyle style = new TextStyle();
		Point rect = tagRender.calculateTagSize(innerTagBean);
		style.metrics = new GlyphMetrics(rect.y, 0, rect.x + SEGMENT_LINE_SPACING * 2);
		layout.setStyle(style, start, start + placeHolder.length() - 1);
	}

	return layout;
}
 

int validateOffset( TextLayout layout, int offset )
{
	int nextOffset = layout.getNextOffset( offset, SWT.MOVEMENT_CLUSTER );
	if ( nextOffset != offset )
		return layout.getPreviousOffset( nextOffset, SWT.MOVEMENT_CLUSTER );
	return offset;
}
 

private void appendNonprintingStyle(TextLayout layout) {
	TextStyle style = new TextStyle(font, GUIHelper.getColor(new RGB(100, 100, 100)), null);
	String s = layout.getText();
	Matcher matcher = Constants.NONPRINTING_PATTERN.matcher(s);
	while (matcher.find()) {
		int start = matcher.start();
		int end = matcher.end();
		// style.metrics = new GlyphMetrics(10, 0, 1);
		layout.setStyle(style, start, end - 1);
	}
}
 

private TextLayout getCellTextLayout(LayerCell cell) {
	int orientation = editor.getTable().getStyle() & (SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT);
	TextLayout layout = new TextLayout(editor.getTable().getDisplay());
	layout.setOrientation(orientation);
	layout.setSpacing(Constants.SEGMENT_LINE_SPACING);
	layout.setFont(font);
	layout.setAscent(ascent);
	layout.setDescent(descent); // 和 StyledTextEditor 同步
	layout.setTabs(new int[] { tabWidth });

	Rectangle rectangle = cell.getBounds();
	int width = rectangle.width - leftPadding - rightPadding;
	width -= 1;
	if (wrapText && width > 0) {
		layout.setWidth(width);
	}

	String displayText = InnerTagUtil.resolveTag(innerTagFactory.parseInnerTag((String) cell.getDataValue()));
	if (XliffEditorParameter.getInstance().isShowNonpirnttingCharacter()) {
		displayText = displayText.replaceAll("\\n", Constants.LINE_SEPARATOR_CHARACTER + "\n");
		displayText = displayText.replaceAll("\\t", Constants.TAB_CHARACTER + "\u200B");
		displayText = displayText.replaceAll(" ", Constants.SPACE_CHARACTER + "\u200B");
	}
	layout.setText(displayText);
	List<InnerTagBean> innerTagBeans = innerTagFactory.getInnerTagBeans();
	for (InnerTagBean innerTagBean : innerTagBeans) {
		String placeHolder = placeHolderBuilder.getPlaceHolder(innerTagBeans, innerTagBeans.indexOf(innerTagBean));
		int start = displayText.indexOf(placeHolder);
		if (start == -1) {
			continue;
		}
		TextStyle style = new TextStyle();
		Point rect = tagRender.calculateTagSize(innerTagBean);
		style.metrics = new GlyphMetrics(rect.y, 0, rect.x + SEGMENT_LINE_SPACING * 2);
		layout.setStyle(style, start, start + placeHolder.length() - 1);
	}

	return layout;
}
 

/**
 * Shorten text
 *
 * @param gc
 * @param t
 * @param width
 * @return
 */
protected String shortenText(GC gc, String t, int width) {
    if (t == null) return null;
    int w = gc.textExtent(ELLIPSIS, DRAW_FLAGS).x;
    if (width <= w) return t;
    int l = t.length();
    int max = l / 2;
    int min = 0;
    int mid = (max + min) / 2 - 1;
    if (mid <= 0) return t;
    TextLayout layout = new TextLayout(getDisplay());
    layout.setText(t);
    mid = validateOffset(layout, mid);
    while (min < mid && mid < max) {
        String s1 = t.substring(0, mid);
        String s2 = t.substring(validateOffset(layout, l - mid), l);
        int l1 = gc.textExtent(s1, DRAW_FLAGS).x;
        int l2 = gc.textExtent(s2, DRAW_FLAGS).x;
        if (l1 + w + l2 > width) {
            max = mid;
            mid = validateOffset(layout, (max + min) / 2);
        } else if (l1 + w + l2 < width) {
            min = mid;
            mid = validateOffset(layout, (max + min) / 2);
        } else {
            min = max;
        }
    }
    String result = mid == 0 ? t : t.substring(0, mid) + ELLIPSIS + t.substring(validateOffset(layout, l - mid), l);
    layout.dispose();
    return result;
}
 

void handleVerticalScroll(Event event) {
	GridVisibleRange visibleR = gridTable.getVisibleRange();
	GridItem[] items = visibleR.getItems();
	boolean itemFlg = false;
	for (GridItem item : items) {
		if (focusItem == item) {
			itemFlg = true;
		}
	}
	boolean columnFlg = false;
	GridColumn[] columns = visibleR.getColumns();
	if (columns.length - 1 >= focusColIndex) {
		columnFlg = true;
	}
	if (!itemFlg || !columnFlg) {
		defaultCaret.setVisible(false);
		return;
	}
	defaultCaret.setVisible(true);

	GridColumn col = gridTable.getColumn(focusColIndex);
	GridCellRenderer gcr = col.getCellRenderer();
	int colIndex = gcr.getColumn();
	if (gcr == null || !(gcr instanceof XGridCellRenderer) || !copyAbleColumnIndexs.contains(colIndex)) {
		return;
	}
	XGridCellRenderer cellRender = (XGridCellRenderer) gcr;

	Rectangle cellBounds = focusItem.getBounds(colIndex);
	GC gc = new GC(Display.getDefault());
	TextLayout layout = null;
	try {
		layout = cellRender.getTextLayout(gc, focusItem, colIndex, true, false);
		if (layout == null) {
			gc.dispose();
			return;
		}
		Point point = layout.getLocation(caretOffset, false);
		coordinateOffsetX = cellBounds.x + cellRender.leftMargin;
		coordinateOffsetY = cellBounds.y + cellRender.topMargin + cellRender.textTopMargin;
		defaultCaret.setLocation(point.x + coordinateOffsetX, point.y + coordinateOffsetY);
	} finally {
		if (layout != null) {
			layout.dispose();
		}
		if (gc != null) {
			gc.dispose();
		}
	}
}
 

void refreshLabel() {
  int colors = 0, cursors = 0, fonts = 0, gcs = 0, images = 0;
  int paths = 0, patterns = 0, regions = 0, textLayouts = 0, transforms = 0;
  for ( int i = 0; i < objects.length; i++ ) {
    Object object = objects[i];
    if ( object instanceof Color ) {
      colors++;
    }
    if ( object instanceof Cursor ) {
      cursors++;
    }
    if ( object instanceof Font ) {
      fonts++;
    }
    if ( object instanceof GC ) {
      gcs++;
    }
    if ( object instanceof Image ) {
      images++;
    }
    if ( object instanceof Path ) {
      paths++;
    }
    if ( object instanceof Pattern ) {
      patterns++;
    }
    if ( object instanceof Region ) {
      regions++;
    }
    if ( object instanceof TextLayout ) {
      textLayouts++;
    }
    if ( object instanceof Transform ) {
      transforms++;
    }
  }
  String string = "";
  if ( colors != 0 ) {
    string += colors + " Color(s)\n";
  }
  if ( cursors != 0 ) {
    string += cursors + " Cursor(s)\n";
  }
  if ( fonts != 0 ) {
    string += fonts + " Font(s)\n";
  }
  if ( gcs != 0 ) {
    string += gcs + " GC(s)\n";
  }
  if ( images != 0 ) {
    string += images + " Image(s)\n";
  }
  if ( paths != 0 ) {
    string += paths + " Paths(s)\n";
  }
  if ( patterns != 0 ) {
    string += patterns + " Pattern(s)\n";
  }
  if ( regions != 0 ) {
    string += regions + " Region(s)\n";
  }
  if ( textLayouts != 0 ) {
    string += textLayouts + " TextLayout(s)\n";
  }
  if ( transforms != 0 ) {
    string += transforms + " Transform(s)\n";
  }
  if ( string.length() != 0 ) {
    string = string.substring( 0, string.length() - 1 );
  }
  label.setText( string );
}
 

/**
 * {@inheritDoc}
 */
public Point computeSize(GC gc, int wHint, int hHint, Object value) {
	GridItem item = (GridItem) value;

	gc.setFont(item.getFont(getColumn()));

	int x = 0;

	x += leftMargin;

	int y = 0;

	Image image = item.getImage(getColumn());
	if (image != null) {
		y = topMargin + image.getBounds().height + bottomMargin;

		x += image.getBounds().width + 3;
	}

	// MOPR-DND
	// MOPR: replaced this code (to get correct preferred height for cells in word-wrap columns)
	//
	// x += gc.stringExtent(item.getText(column)).x + rightMargin;
	//
	// y = Math.max(y,topMargin + gc.getFontMetrics().getHeight() + bottomMargin);
	//
	// with this code:

	int textHeight = 0;
	if (!isWordWrap()) {
		x += gc.textExtent(item.getText(getColumn())).x + rightMargin;

		textHeight = topMargin + textTopMargin + gc.getFontMetrics().getHeight() + textBottomMargin + bottomMargin;
	} else {
		int plainTextWidth;
		if (wHint == SWT.DEFAULT)
			plainTextWidth = getBounds().width - x - rightMargin;
		else
			plainTextWidth = wHint - x - rightMargin;

		TextLayout currTextLayout = new TextLayout(gc.getDevice());
		currTextLayout.setFont(gc.getFont());
		currTextLayout.setText(item.getText(getColumn()));
		currTextLayout.setAlignment(getAlignment());
		currTextLayout.setWidth(plainTextWidth < 1 ? 1 : plainTextWidth);

		x += plainTextWidth + rightMargin;

		textHeight += topMargin + textTopMargin;
		for (int cnt = 0; cnt < currTextLayout.getLineCount(); cnt++)
			textHeight += currTextLayout.getLineBounds(cnt).height;
		textHeight += textBottomMargin + bottomMargin;

		currTextLayout.dispose();
	}

	y = Math.max(y, textHeight);

	return new Point(x, y);
}
 

/**
 * {@inheritDoc}
 */
public Point computeSize(GC gc, int wHint, int hHint, Object value) {
	GridItem item = (GridItem) value;

	gc.setFont(item.getFont(getColumn()));

	int x = 0;

	x += leftMargin;

	if (isTree()) {
		x += getToggleIndent(item);

		x += toggleRenderer.getBounds().width + insideMargin;

	}

	if (isCheck()) {
		x += checkRenderer.getBounds().width + insideMargin;
	}

	int y = 0;

	Image image = item.getImage(getColumn());
	if (image != null) {
		y = topMargin + image.getBounds().height + bottomMargin;

		x += image.getBounds().width + insideMargin;
	}

	// MOPR-DND
	// MOPR: replaced this code (to get correct preferred height for cells in word-wrap columns)
	//
	// x += gc.stringExtent(item.getText(column)).x + rightMargin;
	//
	// y = Math.max(y,topMargin + gc.getFontMetrics().getHeight() + bottomMargin);
	//
	// with this code:

	int textHeight = 0;
	if (!isWordWrap()) {
		x += gc.textExtent(item.getText(getColumn())).x + rightMargin;

		textHeight = topMargin + textTopMargin + gc.getFontMetrics().getHeight() + textBottomMargin + bottomMargin;
	} else {
		int plainTextWidth;
		if (wHint == SWT.DEFAULT)
			plainTextWidth = getBounds().width - x - rightMargin;
		else
			plainTextWidth = wHint - x - rightMargin;

		TextLayout currTextLayout = new TextLayout(gc.getDevice());
		currTextLayout.setFont(gc.getFont());
		currTextLayout.setText(item.getText(getColumn()));
		currTextLayout.setAlignment(getAlignment());
		currTextLayout.setWidth(plainTextWidth < 1 ? 1 : plainTextWidth);

		x += plainTextWidth + rightMargin;

		textHeight += topMargin + textTopMargin;
		for (int cnt = 0; cnt < currTextLayout.getLineCount(); cnt++)
			textHeight += currTextLayout.getLineBounds(cnt).height;
		textHeight += textBottomMargin + bottomMargin;

		currTextLayout.dispose();
	}

	y = Math.max(y, textHeight);

	return new Point(x, y);
}
 

/**
     * {@inheritDoc}
     */
    public Point computeSize(GC gc, int wHint, int hHint, Object value)
    {
        GridItem item = (GridItem)value;

        gc.setFont(item.getFont(getColumn()));

        int x = 0;

        x += leftMargin;

        if (isTree())
        {
            x += getToggleIndent(item);

            x += toggleRenderer.getBounds().width + insideMargin;

        }

        if (isCheck())
        {
            x += checkRenderer.getBounds().width + insideMargin;
        }

        int y = 0;

        Image image = item.getImage(getColumn());
        if (image != null)
        {
            y = topMargin + image.getBounds().height + bottomMargin;

            x += image.getBounds().width + insideMargin;
        }

// MOPR-DND
// MOPR: replaced this code (to get correct preferred height for cells in word-wrap columns)
//
//       x += gc.stringExtent(item.getText(column)).x + rightMargin;
//
//        y = Math.max(y,topMargin + gc.getFontMetrics().getHeight() + bottomMargin);
//
// with this code:

        int textHeight = 0;
        if(!isWordWrap())
        {
            x += gc.textExtent(item.getText(getColumn())).x + rightMargin;

            textHeight = topMargin + textTopMargin + gc.getFontMetrics().getHeight() + textBottomMargin + bottomMargin;
        }
        else
        {
        	int plainTextWidth;
        	if (wHint == SWT.DEFAULT)
        	  plainTextWidth = getBounds().width - x - rightMargin;
        	else
        		plainTextWidth = wHint - x - rightMargin;

            TextLayout currTextLayout = new TextLayout(gc.getDevice());
            currTextLayout.setFont(gc.getFont());
            currTextLayout.setText(item.getText(getColumn()));
            currTextLayout.setAlignment(getAlignment());
            currTextLayout.setWidth(plainTextWidth < 1 ? 1 : plainTextWidth);

            x += plainTextWidth + rightMargin;

            textHeight += topMargin + textTopMargin;
            for(int cnt=0;cnt<currTextLayout.getLineCount();cnt++)
                textHeight += currTextLayout.getLineBounds(cnt).height;
            textHeight += textBottomMargin + bottomMargin;

            currTextLayout.dispose();
        }

        y = Math.max(y, textHeight);

        return new Point(x, y);
    }
 

/**
 * {@inheritDoc}
 */
public void draw(GC gc, JaretTable jaretTable, ICellStyle cellStyle, Rectangle drawingArea, IRow row,
        IColumn column, boolean drawFocus, boolean selected, boolean printing) {
    
    drawBackground(gc, drawingArea, cellStyle, selected, printing);
    Rectangle drect = drawBorder(gc, cellStyle, drawingArea, printing);
    Rectangle rect = applyInsets(drect);

    // convert the value to a string
    String s = convertValue(row, column);

    Color fg = gc.getForeground();
    Color bg = gc.getBackground();
    Font font = gc.getFont();

   

    // draw comment marker if comment is present and not printing
    if (!printing && getComment(row, column) != null) {
        drawCommentMarker(gc, drawingArea, _commentColor, COMMENTMARKER_SIZE);
    }

    if (drawFocus) {
        drawFocus(gc, drect);
    }
    drawSelection(gc, drawingArea, cellStyle, selected, printing);

    gc.setForeground(fg);
    gc.setBackground(bg);
    gc.setFont(font);
    if (s != null) {
        if (selected && !printing) {
            gc.setBackground(SELECTIONCOLOR);
        } else {
            gc.setBackground(getBackgroundColor(cellStyle, printing));
        }
        gc.setForeground(getForegroundColor(cellStyle, printing));
        gc.setFont(getFont(cellStyle, printing, gc.getFont()));

        drawCellString(gc, rect, s, cellStyle);
        if (s.indexOf("we") != -1) {
            TextLayout textLayout = new TextLayout(gc.getDevice());
            textLayout.setText(s);
            textLayout.setFont(gc.getFont());
            textLayout.setWidth(rect.width);
            Color color = new Color(gc.getDevice(), 150, 100, 100);
    		Font font2 = new Font(gc.getDevice(), gc.getFont().getFontData()[0].getName(), gc.getFont()
    				.getFontData()[0].getHeight(), SWT.ITALIC);
    		TextStyle style = new TextStyle(font2, color, null);
    		for (int i = 1; i < s.length(); i++) {
    			int j = indexOf(s, "we", i, false);
    			if (j != -1) {
    				textLayout.setStyle(style, j, j + 3);
    			} else {
    				break;
    			}

    		}
    		gc.fillRectangle(rect);
    		textLayout.draw(gc, rect.x, rect.y);
    		gc.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_LIST_FOREGROUND));
            }
    }
}
 

/**
 * Shorten the given text <code>t</code> so that its length doesn't exceed
 * the given width. The default implementation replaces characters in the
 * center of the original string with an ellipsis ("..."). Override if you
 * need a different strategy.
 * 
 * @param gc
 *            the gc to use for text measurement
 * @param t
 *            the text to shorten
 * @param width
 *            the width to shorten the text to, in pixels
 * @return the shortened text
 */
protected String shortenText( GC gc, String t, int width )
{
	if ( t == null )
		return null;
	int w = gc.textExtent( ELLIPSIS, DRAW_FLAGS ).x;
	if ( width <= w )
		return t;
	int l = t.length( );
	int max = l / 2;
	int min = 0;
	int mid = ( max + min ) / 2 - 1;
	if ( mid <= 0 )
		return t;
	TextLayout layout = new TextLayout( getDisplay( ) );
	layout.setText( t );
	mid = validateOffset( layout, mid );
	while ( min < mid && mid < max )
	{
		String s1 = t.substring( 0, mid );
		String s2 = t.substring( validateOffset( layout, l - mid ), l );
		int l1 = gc.textExtent( s1, DRAW_FLAGS ).x;
		int l2 = gc.textExtent( s2, DRAW_FLAGS ).x;
		if ( l1 + w + l2 > width )
		{
			max = mid;
			mid = validateOffset( layout, ( max + min ) / 2 );
		}
		else if ( l1 + w + l2 < width )
		{
			min = mid;
			mid = validateOffset( layout, ( max + min ) / 2 );
		}
		else
		{
			min = max;
		}
	}
	String result = mid == 0 ? t : t.substring( 0, mid )
			+ ELLIPSIS
			+ t.substring( validateOffset( layout, l - mid ), l );
	layout.dispose( );
	return result;
}
 

void refreshLabel() {
  int colors = 0, cursors = 0, fonts = 0, gcs = 0, images = 0;
  int paths = 0, patterns = 0, regions = 0, textLayouts = 0, transforms = 0;
  for ( int i = 0; i < objects.length; i++ ) {
    Object object = objects[ i ];
    if ( object instanceof Color ) {
      colors++;
    }
    if ( object instanceof Cursor ) {
      cursors++;
    }
    if ( object instanceof Font ) {
      fonts++;
    }
    if ( object instanceof GC ) {
      gcs++;
    }
    if ( object instanceof Image ) {
      images++;
    }
    if ( object instanceof Path ) {
      paths++;
    }
    if ( object instanceof Pattern ) {
      patterns++;
    }
    if ( object instanceof Region ) {
      regions++;
    }
    if ( object instanceof TextLayout ) {
      textLayouts++;
    }
    if ( object instanceof Transform ) {
      transforms++;
    }
  }
  String string = "";
  if ( colors != 0 ) {
    string += colors + " Color(s)\n";
  }
  if ( cursors != 0 ) {
    string += cursors + " Cursor(s)\n";
  }
  if ( fonts != 0 ) {
    string += fonts + " Font(s)\n";
  }
  if ( gcs != 0 ) {
    string += gcs + " GC(s)\n";
  }
  if ( images != 0 ) {
    string += images + " Image(s)\n";
  }
  if ( paths != 0 ) {
    string += paths + " Paths(s)\n";
  }
  if ( patterns != 0 ) {
    string += patterns + " Pattern(s)\n";
  }
  if ( regions != 0 ) {
    string += regions + " Region(s)\n";
  }
  if ( textLayouts != 0 ) {
    string += textLayouts + " TextLayout(s)\n";
  }
  if ( transforms != 0 ) {
    string += transforms + " Transform(s)\n";
  }
  if ( string.length() != 0 ) {
    string = string.substring( 0, string.length() - 1 );
  }
  label.setText( string );
}