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

Example 26 with BadPositionCategoryException

use of org.eclipse.jface.text.BadPositionCategoryException in project che by eclipse.

the class JavaContext method rewriteImports.

private void rewriteImports() {
    if (fImportRewrite == null)
        return;
    if (isReadOnly())
        return;
    ICompilationUnit cu = getCompilationUnit();
    if (cu == null)
        return;
    try {
        Position position = new Position(getCompletionOffset(), 0);
        IDocument document = getDocument();
        //$NON-NLS-1$
        final String category = "__template_position_importer" + System.currentTimeMillis();
        IPositionUpdater updater = new DefaultPositionUpdater(category);
        document.addPositionCategory(category);
        document.addPositionUpdater(updater);
        document.addPosition(position);
        try {
            JavaModelUtil.applyEdit(cu, fImportRewrite.rewriteImports(null), false, null);
            setCompletionOffset(position.getOffset());
        } catch (CoreException e) {
            handleException(null, e);
        } finally {
            document.removePosition(position);
            document.removePositionUpdater(updater);
            document.removePositionCategory(category);
        }
    } catch (BadLocationException e) {
        handleException(null, e);
    } catch (BadPositionCategoryException e) {
        handleException(null, e);
    }
}

Example 27 with BadPositionCategoryException

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

the class SourceViewer method rememberSelection.

/**
 * Remembers and returns the current selection. The saved selection can be restored
 * by calling <code>restoreSelection()</code>.
 *
 * @return the current selection
 * @see org.eclipse.jface.text.ITextViewer#getSelectedRange()
 * @since 3.0
 */
protected Point rememberSelection() {
    final ITextSelection selection = (ITextSelection) getSelection();
    final IDocument document = getDocument();
    if (fSelections.isEmpty()) {
        fSelectionCategory = _SELECTION_POSITION_CATEGORY + hashCode();
        fSelectionUpdater = new NonDeletingPositionUpdater(fSelectionCategory);
        document.addPositionCategory(fSelectionCategory);
        document.addPositionUpdater(fSelectionUpdater);
    }
    try {
        final Position position;
        if (selection instanceof IBlockTextSelection)
            position = new ColumnPosition(selection.getOffset(), selection.getLength(), ((IBlockTextSelection) selection).getStartColumn(), ((IBlockTextSelection) selection).getEndColumn());
        else
            position = new Position(selection.getOffset(), selection.getLength());
        document.addPosition(fSelectionCategory, position);
        fSelections.push(position);
    } catch (BadLocationException exception) {
    // Should not happen
    } catch (BadPositionCategoryException exception) {
    // Should not happen
    }
    return new Point(selection.getOffset(), selection.getLength());
}

Example 28 with BadPositionCategoryException

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

the class SourceViewer method restoreSelection.

/**
 * Restores a previously saved selection in the document.
 * <p>
 * If no selection was previously saved, nothing happens.
 *
 * @since 3.0
 */
protected void restoreSelection() {
    if (!fSelections.isEmpty()) {
        final IDocument document = getDocument();
        final Position position = fSelections.pop();
        try {
            document.removePosition(fSelectionCategory, position);
            Point currentSelection = getSelectedRange();
            if (currentSelection == null || currentSelection.x != position.getOffset() || currentSelection.y != position.getLength()) {
                if (position instanceof ColumnPosition && getTextWidget().getBlockSelection()) {
                    setSelection(new BlockTextSelection(document, document.getLineOfOffset(position.getOffset()), ((ColumnPosition) position).fStartColumn, document.getLineOfOffset(position.getOffset() + position.getLength()), ((ColumnPosition) position).fEndColumn, getTextWidget().getTabs()));
                } else {
                    setSelectedRange(position.getOffset(), position.getLength());
                }
            }
            if (fSelections.isEmpty())
                clearRememberedSelection();
        } catch (BadPositionCategoryException exception) {
        // Should not happen
        } catch (BadLocationException x) {
        // Should not happen
        }
    }
}

Example 29 with BadPositionCategoryException

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

the class SourceViewer method clearRememberedSelection.

protected void clearRememberedSelection() {
    if (!fSelections.isEmpty())
        fSelections.clear();
    IDocument document = getDocument();
    if (document != null && fSelectionUpdater != null) {
        document.removePositionUpdater(fSelectionUpdater);
        try {
            document.removePositionCategory(fSelectionCategory);
        } catch (BadPositionCategoryException e) {
        // ignore
        }
    }
    fSelectionUpdater = null;
    fSelectionCategory = null;
}

Example 30 with BadPositionCategoryException

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

the class ProjectionMappingTest method addProjection.

private void addProjection(int fragmentOffset, int segmentOffset, int length) {
    Fragment fragment = new Fragment(fragmentOffset, length);
    Segment segment = new Segment(segmentOffset, length);
    fragment.segment = segment;
    segment.fragment = fragment;
    try {
        fMasterDocument.addPosition(fFragmentsCategory, fragment);
        fSlaveDocument.addPosition(fSegmentsCategory, segment);
    } catch (BadLocationException e) {
        assertTrue(false);
    } catch (BadPositionCategoryException e) {
        assertTrue(false);
    }
}