001/**
002 * Copyright 2005-2018 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.rice.krad.uif.lifecycle.finalize;
017
018import org.kuali.rice.krad.uif.component.Component;
019import org.kuali.rice.krad.uif.component.DataBinding;
020import org.kuali.rice.krad.uif.lifecycle.ViewLifecycle;
021import org.kuali.rice.krad.uif.lifecycle.ViewLifecycleTaskBase;
022import org.kuali.rice.krad.uif.util.LifecycleElement;
023import org.kuali.rice.krad.uif.view.ViewModel;
024
025/**
026 * Sets data bindings to read-only at the end of the apply model phase.
027 * 
028 * @author Kuali Rice Team (rice.collab@kuali.org)
029 */
030public class SetReadOnlyOnDataBindingTask extends ViewLifecycleTaskBase<DataBinding> {
031
032    /**
033     * Default constructor.
034     */
035    public SetReadOnlyOnDataBindingTask() {
036        super(DataBinding.class);
037    }
038
039    /**
040     * {@inheritDoc}
041     */
042    @Override
043    protected void performLifecycleTask() {
044        // implement readonly request overrides
045        LifecycleElement element = getElementState().getElement();
046        ViewModel viewModel = (ViewModel) ViewLifecycle.getModel();
047        if ((element instanceof DataBinding)
048                && ViewLifecycle.getView().isSupportsRequestOverrideOfReadOnlyFields()
049                && !viewModel.getReadOnlyFieldsList().isEmpty()) {
050            DataBinding dataBinding = (DataBinding) element;
051            String propertyName = dataBinding.getPropertyName();
052            if (viewModel.getReadOnlyFieldsList().contains(propertyName)) {
053                ((Component) dataBinding).setReadOnly(true);
054            }
055        }
056    }
057
058}