Examples with ITextViewerExtension5 org.eclipse.jface.text.ITextViewerExtension5 used on opensource projects

Example 51 with ITextViewerExtension5

use of org.eclipse.jface.text.ITextViewerExtension5 in project webtools.sourceediting by eclipse.

the class HighlighterHyperlinkPresenter method highlightRegion.

private void highlightRegion(IRegion region) {
    if (region.equals(fActiveRegion))
        return;
    repairRepresentation();
    StyledText text = fTextViewer.getTextWidget();
    if (text == null || text.isDisposed())
        return;
    // Underline
    int offset = 0;
    int length = 0;
    if (fTextViewer instanceof ITextViewerExtension5) {
        ITextViewerExtension5 extension = (ITextViewerExtension5) fTextViewer;
        IRegion widgetRange = extension.modelRange2WidgetRange(region);
        if (widgetRange == null)
            return;
        offset = widgetRange.getOffset();
        length = widgetRange.getLength();
    } else {
        offset = region.getOffset() - fTextViewer.getVisibleRegion().getOffset();
        length = region.getLength();
    }
    // needs to clean background due to StructuredTextEditor's highlighter
    text.redrawRange(offset, length, true);
    // Invalidate region ==> apply text presentation
    fActiveRegion = region;
    if (fTextViewer instanceof ITextViewerExtension2)
        ((ITextViewerExtension2) fTextViewer).invalidateTextPresentation(region.getOffset(), region.getLength());
    else
        fTextViewer.invalidateTextPresentation();
}

Example 52 with ITextViewerExtension5

use of org.eclipse.jface.text.ITextViewerExtension5 in project tdq-studio-se by Talend.

the class MouseClickListener method highlightRegion.

private void highlightRegion(ISourceViewer viewer, IRegion region) {
    if (region.equals(fActiveRegion))
        return;
    repairRepresentation();
    StyledText text = viewer.getTextWidget();
    if (text == null || text.isDisposed())
        return;
    // highlight region
    int offset = 0;
    int length = 0;
    if (viewer instanceof ITextViewerExtension5) {
        ITextViewerExtension5 extension = (ITextViewerExtension5) viewer;
        IRegion widgetRange = extension.modelRange2WidgetRange(region);
        if (widgetRange == null)
            return;
        offset = widgetRange.getOffset();
        length = widgetRange.getLength();
    } else {
        offset = region.getOffset() - viewer.getVisibleRegion().getOffset();
        length = region.getLength();
    }
    StyleRange oldStyleRange = text.getStyleRangeAtOffset(offset);
    Color foregroundColor = fColor;
    Color backgroundColor = oldStyleRange == null ? text.getBackground() : oldStyleRange.background;
    StyleRange styleRange = new StyleRange(offset, length, foregroundColor, backgroundColor);
    text.setStyleRange(styleRange);
    // underline
    text.redrawRange(offset, length, true);
    fActiveRegion = region;
}

Example 53 with ITextViewerExtension5

use of org.eclipse.jface.text.ITextViewerExtension5 in project tdq-studio-se by Talend.

the class MouseClickListener method getCurrentTextOffset.

private int getCurrentTextOffset(ISourceViewer viewer) {
    try {
        StyledText text = viewer.getTextWidget();
        if (text == null || text.isDisposed())
            return -1;
        Display display = text.getDisplay();
        Point absolutePosition = display.getCursorLocation();
        Point relativePosition = text.toControl(absolutePosition);
        int widgetOffset = text.getOffsetAtLocation(relativePosition);
        if (viewer instanceof ITextViewerExtension5) {
            ITextViewerExtension5 extension = (ITextViewerExtension5) viewer;
            return extension.widgetOffset2ModelOffset(widgetOffset);
        } else {
            return widgetOffset + viewer.getVisibleRegion().getOffset();
        }
    } catch (IllegalArgumentException e) {
        return -1;
    }
}

Example 54 with ITextViewerExtension5

use of org.eclipse.jface.text.ITextViewerExtension5 in project tdq-studio-se by Talend.

the class MouseClickListener method paintControl.

/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.swt.events.PaintListener#paintControl(org.eclipse.swt.events.PaintEvent)
	 */
public void paintControl(PaintEvent event) {
    if (fActiveRegion == null)
        return;
    if (sourceViewer == null)
        return;
    StyledText text = sourceViewer.getTextWidget();
    if (text == null || text.isDisposed())
        return;
    int offset = 0;
    int length = 0;
    if (sourceViewer instanceof ITextViewerExtension5) {
        ITextViewerExtension5 extension = (ITextViewerExtension5) sourceViewer;
        IRegion widgetRange = extension.modelRange2WidgetRange(new Region(offset, length));
        if (widgetRange == null)
            return;
        offset = widgetRange.getOffset();
        length = widgetRange.getLength();
    } else {
        IRegion region = sourceViewer.getVisibleRegion();
        if (!includes(region, fActiveRegion))
            return;
        offset = fActiveRegion.getOffset() - region.getOffset();
        length = fActiveRegion.getLength();
    }
    // support for bidi
    Point minLocation = getMinimumLocation(text, offset, length);
    Point maxLocation = getMaximumLocation(text, offset, length);
    int x1 = minLocation.x;
    int x2 = minLocation.x + maxLocation.x - minLocation.x - 1;
    int y = minLocation.y + text.getLineHeight() - 1;
    GC gc = event.gc;
    if (fColor != null && !fColor.isDisposed())
        gc.setForeground(fColor);
    gc.drawLine(x1, y, x2, y);
}

Example 55 with ITextViewerExtension5

use of org.eclipse.jface.text.ITextViewerExtension5 in project xtext-eclipse by eclipse.

the class RenameRefactoringPopup method computePopupLocation.

protected Point computePopupLocation() {
    if (popup == null || popup.isDisposed())
        return null;
    LinkedPosition position = renameLinkedMode.getCurrentLinkedPosition();
    if (position == null)
        return null;
    ISourceViewer viewer = editor.getInternalSourceViewer();
    ITextViewerExtension5 viewer5 = (ITextViewerExtension5) viewer;
    int widgetOffset = viewer5.modelOffset2WidgetOffset(position.offset);
    StyledText textWidget = viewer.getTextWidget();
    Point pos = textWidget.getLocationAtOffset(widgetOffset);
    Point pSize = getExtent();
    pSize.y += HAH + 1;
    pos.x -= HAO;
    pos.y += textWidget.getLineHeight(widgetOffset);
    Point dPos = textWidget.toDisplay(pos);
    Rectangle displayBounds = textWidget.getDisplay().getClientArea();
    Rectangle dPopupRect = Geometry.createRectangle(dPos, pSize);
    Geometry.moveInside(dPopupRect, displayBounds);
    return new Point(dPopupRect.x, dPopupRect.y);
}