001    /**
002     * Copyright 2005-2014 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     */
016    package org.kuali.rice.krad.uif.lifecycle.finalize;
017    
018    import org.kuali.rice.krad.uif.component.Component;
019    import org.kuali.rice.krad.uif.component.DataBinding;
020    import org.kuali.rice.krad.uif.lifecycle.ViewLifecycle;
021    import org.kuali.rice.krad.uif.lifecycle.ViewLifecyclePhase;
022    import org.kuali.rice.krad.uif.lifecycle.ViewLifecycleTaskBase;
023    import org.kuali.rice.krad.uif.util.LifecycleElement;
024    import org.kuali.rice.krad.uif.view.ViewModel;
025    
026    /**
027     * Sets data bindings to read-only at the end of the apply model phase.
028     * 
029     * @author Kuali Rice Team (rice.collab@kuali.org)
030     */
031    public class SetReadOnlyOnDataBindingTask extends ViewLifecycleTaskBase<DataBinding> {
032    
033        /**
034         * Constructor.
035         * 
036         * @param phase The finalize phase for the component.
037         */
038        public SetReadOnlyOnDataBindingTask(ViewLifecyclePhase phase) {
039            super(phase, DataBinding.class);
040        }
041    
042        /**
043         * {@inheritDoc}
044         */
045        @Override
046        protected void performLifecycleTask() {
047            // implement readonly request overrides
048            LifecycleElement element = getElementState().getElement();
049            ViewModel viewModel = (ViewModel) ViewLifecycle.getModel();
050            if ((element instanceof DataBinding)
051                    && ViewLifecycle.getView().isSupportsRequestOverrideOfReadOnlyFields()
052                    && !viewModel.getReadOnlyFieldsList().isEmpty()) {
053                DataBinding dataBinding = (DataBinding) element;
054                String propertyName = dataBinding.getPropertyName();
055                if (viewModel.getReadOnlyFieldsList().contains(propertyName)) {
056                    ((Component) dataBinding).setReadOnly(true);
057                }
058            }
059        }
060    
061    }