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

Example 6 with ITextViewerExtension5

use of org.eclipse.jface.text.ITextViewerExtension5 in project eclipse.platform.text by eclipse.

the class JavaEditor method adjustHighlightRange.

@Override
protected void adjustHighlightRange(int offset, int length) {
    ISourceViewer viewer = getSourceViewer();
    if (viewer instanceof ITextViewerExtension5) {
        ITextViewerExtension5 extension = (ITextViewerExtension5) viewer;
        extension.exposeModelRange(new Region(offset, length));
    }
}

Example 7 with ITextViewerExtension5

use of org.eclipse.jface.text.ITextViewerExtension5 in project eclipse.platform.text by eclipse.

the class RevisionPainter method modelLinesToWidgetLines.

/**
 * Returns the visible extent of a document line range in widget lines.
 *
 * @param range the document line range
 * @return the visible extent of <code>range</code> in widget lines
 */
private ILineRange modelLinesToWidgetLines(ILineRange range) {
    int widgetStartLine = -1;
    int widgetEndLine = -1;
    if (fViewer instanceof ITextViewerExtension5) {
        ITextViewerExtension5 extension = (ITextViewerExtension5) fViewer;
        int modelEndLine = end(range);
        for (int modelLine = range.getStartLine(); modelLine < modelEndLine; modelLine++) {
            int widgetLine = extension.modelLine2WidgetLine(modelLine);
            if (widgetLine != -1) {
                if (widgetStartLine == -1)
                    widgetStartLine = widgetLine;
                widgetEndLine = widgetLine;
            }
        }
    } else {
        IRegion region = fViewer.getVisibleRegion();
        IDocument document = fViewer.getDocument();
        try {
            int visibleStartLine = document.getLineOfOffset(region.getOffset());
            int visibleEndLine = document.getLineOfOffset(region.getOffset() + region.getLength());
            widgetStartLine = Math.max(0, range.getStartLine() - visibleStartLine);
            widgetEndLine = Math.min(visibleEndLine, end(range) - 1);
        } catch (BadLocationException x) {
        // ignore and return null
        }
    }
    if (widgetStartLine == -1 || widgetEndLine == -1)
        return null;
    return new LineRange(widgetStartLine, widgetEndLine - widgetStartLine + 1);
}

Example 8 with ITextViewerExtension5

use of org.eclipse.jface.text.ITextViewerExtension5 in project eclipse.platform.text by eclipse.

the class AnnotationBarHoverManager method getWidgetLineNumber.

/**
 * Returns for the widget line number for the given document line number.
 *
 * @param line the absolute line number
 * @return the line number relative to the viewer's visible region
 * @throws BadLocationException if <code>line</code> is not valid in the viewer's document
 */
private int getWidgetLineNumber(int line) throws BadLocationException {
    if (fSourceViewer instanceof ITextViewerExtension5) {
        ITextViewerExtension5 extension = (ITextViewerExtension5) fSourceViewer;
        return extension.modelLine2WidgetLine(line);
    }
    IRegion region = fSourceViewer.getVisibleRegion();
    int firstLine = fSourceViewer.getDocument().getLineOfOffset(region.getOffset());
    return line - firstLine;
}

Example 9 with ITextViewerExtension5

use of org.eclipse.jface.text.ITextViewerExtension5 in project eclipse.platform.text by eclipse.

the class AnnotationBarHoverManager method adaptLineRangeToFolding.

/**
 * Adapts a given line range so that the result is a line range that does
 * not overlap with any collapsed region of the attached viewer.
 *
 * @param lineRange the original line range
 * @param line the anchor line
 * @return the adapted line range
 * @since 3.0
 */
private ILineRange adaptLineRangeToFolding(ILineRange lineRange, int line) {
    if (fSourceViewer instanceof ITextViewerExtension5) {
        ITextViewerExtension5 extension = (ITextViewerExtension5) fSourceViewer;
        try {
            IRegion region = convertToRegion(lineRange);
            IRegion[] coverage = extension.getCoveredModelRanges(region);
            if (coverage != null && coverage.length > 0) {
                IRegion container = findRegionContainingLine(coverage, line);
                if (container != null)
                    return convertToLineRange(container);
            }
        } catch (BadLocationException x) {
        }
        return null;
    }
    return lineRange;
}

Example 10 with ITextViewerExtension5

use of org.eclipse.jface.text.ITextViewerExtension5 in project eclipse.platform.text by eclipse.

the class AnnotationPainter method getWidgetRange.

/**
 * Returns the widget region that corresponds to the
 * given offset and length in the viewer's document.
 *
 * The returned object can be the fReusableRegion and may used
 * only to read the return values and must not used to store
 * the region.
 *
 * @param modelOffset the model offset
 * @param modelLength the model length
 * @return the corresponding widget region
 */
private IRegion getWidgetRange(int modelOffset, int modelLength) {
    if (modelOffset == Integer.MAX_VALUE)
        return null;
    if (fSourceViewer instanceof ITextViewerExtension5) {
        ITextViewerExtension5 extension = (ITextViewerExtension5) fSourceViewer;
        fReusableRegion.setOffset(modelOffset);
        fReusableRegion.setLength(modelLength);
        return extension.modelRange2WidgetRange(fReusableRegion);
    }
    IRegion region = fSourceViewer.getVisibleRegion();
    int offset = region.getOffset();
    int length = region.getLength();
    if (regionsTouchOrOverlap(modelOffset, modelLength, offset, length)) {
        int p1 = Math.max(offset, modelOffset);
        int p2 = Math.min(offset + length, modelOffset + modelLength);
        fReusableRegion.setOffset(p1 - offset);
        fReusableRegion.setLength(p2 - p1);
        return fReusableRegion;
    }
    return null;
}