Examples with ConnectionDeleteCommand org.csstudio.opibuilder.commands.ConnectionDeleteCommand used on opensource projects

Example 1 with ConnectionDeleteCommand

use of org.csstudio.opibuilder.commands.ConnectionDeleteCommand in project yamcs-studio by yamcs.

the class WidgetConnectionEditPart method createEditPolicies.

@Override
protected void createEditPolicies() {
    if (getExecutionMode() == ExecutionMode.EDIT_MODE && !getWidgetModel().isLoadedFromLinkedOpi()) {
        // Selection handle edit policy.
        // Makes the connection show a feedback, when selected by the user.
        installEditPolicy(EditPolicy.CONNECTION_ENDPOINTS_ROLE, new ConnectionEndpointEditPolicy() {

            private ConnectionRouter originalRouter = null;

            private Object originalConstraint = null;

            @Override
            protected void showConnectionMoveFeedback(ReconnectRequest request) {
                EditPolicy connectionHandlesEditpolicy = getEditPolicy(EditPolicy.CONNECTION_BENDPOINTS_ROLE);
                if (connectionHandlesEditpolicy != null && connectionHandlesEditpolicy instanceof ManhattanBendpointEditPolicy) {
                    ((ManhattanBendpointEditPolicy) connectionHandlesEditpolicy).removeSelectionHandles();
                }
                if (getConnection().getConnectionRouter() instanceof FixedPointsConnectionRouter) {
                    originalRouter = getConnection().getConnectionRouter();
                    originalConstraint = originalRouter.getConstraint(getConnection());
                    getConnection().setConnectionRouter(new ManhattanConnectionRouter());
                }
                super.showConnectionMoveFeedback(request);
            }

            @Override
            protected void eraseConnectionMoveFeedback(ReconnectRequest request) {
                if (originalRouter != null) {
                    originalRouter.setConstraint(getConnection(), originalConstraint);
                    getConnection().setConnectionRouter(originalRouter);
                }
                super.eraseConnectionMoveFeedback(request);
            }
        });
        // Allows the removal of the connection model element
        installEditPolicy(EditPolicy.CONNECTION_ROLE, new ConnectionEditPolicy() {

            @Override
            protected Command getDeleteCommand(GroupRequest request) {
                return new ConnectionDeleteCommand(getWidgetModel());
            }
        });
    }
}