Examples with UndoableAction org.csstudio.display.builder.util.undo.UndoableAction used on opensource projects

Example 1 with UndoableAction

use of org.csstudio.display.builder.util.undo.UndoableAction in project org.csstudio.display.builder by kasemir.

the class SelectedWidgetUITracker method updateWidgetsFromTracker.

/**
 * Updates widgets to current tracker location and size
 */
private void updateWidgetsFromTracker(final Rectangle2D original, final Rectangle2D current) {
    if (updating)
        return;
    updating = true;
    try {
        group_handler.hide();
        final List<Rectangle2D> orig_position = widgets.stream().map(GeometryTools::getBounds).collect(Collectors.toList());
        // If there was only one widget, the tracker bounds represent
        // the desired widget location and size.
        // But tracker bounds can apply to one or more widgets, so need to
        // determine the change in tracker bounds, apply those to each widget.
        final double dx = current.getMinX() - original.getMinX();
        final double dy = current.getMinY() - original.getMinY();
        final double dw = current.getWidth() - original.getWidth();
        final double dh = current.getHeight() - original.getHeight();
        final int N = orig_position.size();
        // Use compound action if there's more than one widget
        final CompoundUndoableAction compound = N > 1 ? new CompoundUndoableAction(Messages.UpdateWidgetLocation) : null;
        for (int i = 0; i < N; ++i) {
            final Widget widget = widgets.get(i);
            final Rectangle2D orig = orig_position.get(i);
            final ChildrenProperty orig_parent_children = ChildrenProperty.getParentsChildren(widget);
            ChildrenProperty parent_children = group_handler.getActiveParentChildren();
            if (parent_children == null)
                parent_children = widget.getDisplayModel().runtimeChildren();
            if (orig_parent_children == parent_children) {
                // Slightly faster since parent stays the same
                if (!widget.propX().isUsingWidgetClass())
                    widget.propX().setValue((int) (orig.getMinX() + dx));
                if (!widget.propY().isUsingWidgetClass())
                    widget.propY().setValue((int) (orig.getMinY() + dy));
            } else {
                // Update to new parent
                if (widget.getDisplayModel().isClassModel()) {
                    logger.log(Level.WARNING, "Widget hierarchy is not permitted for class model");
                    return;
                }
                final Point2D old_offset = GeometryTools.getDisplayOffset(widget);
                orig_parent_children.removeChild(widget);
                parent_children.addChild(widget);
                final Point2D new_offset = GeometryTools.getDisplayOffset(widget);
                logger.log(Level.FINE, "{0} moves from {1} ({2}) to {3} ({4})", new Object[] { widget, orig_parent_children.getWidget(), old_offset, parent_children.getWidget(), new_offset });
                // Account for old and new display offset
                if (!widget.propX().isUsingWidgetClass())
                    widget.propX().setValue((int) (orig.getMinX() + dx + old_offset.getX() - new_offset.getX()));
                if (!widget.propY().isUsingWidgetClass())
                    widget.propY().setValue((int) (orig.getMinY() + dy + old_offset.getY() - new_offset.getY()));
            }
            if (!widget.propWidth().isUsingWidgetClass())
                widget.propWidth().setValue((int) Math.max(1, orig.getWidth() + dw));
            if (!widget.propHeight().isUsingWidgetClass())
                widget.propHeight().setValue((int) Math.max(1, orig.getHeight() + dh));
            final UndoableAction step = new UpdateWidgetLocationAction(widget, orig_parent_children, parent_children, (int) orig.getMinX(), (int) orig.getMinY(), (int) orig.getWidth(), (int) orig.getHeight());
            if (compound == null)
                undo.add(step);
            else
                compound.add(step);
        }
        if (compound != null)
            undo.add(compound);
    } catch (Exception ex) {
        logger.log(Level.SEVERE, "Failed to move/resize widgets", ex);
    } finally {
        updating = false;
        updateTrackerFromWidgets();
    }
}