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.initialize;
017
018import java.util.List;
019
020import org.kuali.rice.krad.uif.component.Component;
021import org.kuali.rice.krad.uif.component.PropertyReplacer;
022import org.kuali.rice.krad.uif.lifecycle.ViewLifecycle;
023import org.kuali.rice.krad.uif.lifecycle.ViewLifecycleTaskBase;
024import org.kuali.rice.krad.uif.modifier.ComponentModifier;
025
026/**
027 * Populate property values on the all property replacers and component modifiers from the
028 * expression graph.
029 *
030 * @author Kuali Rice Team (rice.collab@kuali.org)
031 */
032public class PopulateReplacersAndModifiersFromExpressionGraphTask extends ViewLifecycleTaskBase<Component> {
033
034    /**
035     * Default constructor.
036     */
037    public PopulateReplacersAndModifiersFromExpressionGraphTask() {
038        super(Component.class);
039    }
040
041
042    /**
043     * {@inheritDoc}
044     */
045    @Override
046    protected void performLifecycleTask() {
047        Component component = (Component) getElementState().getElement();
048
049        // move expressions on property replacers and component modifiers
050        List<PropertyReplacer> componentPropertyReplacers = component.getPropertyReplacers();
051        if (componentPropertyReplacers != null) {
052            for (PropertyReplacer replacer : componentPropertyReplacers) {
053                ViewLifecycle.getExpressionEvaluator().populatePropertyExpressionsFromGraph(replacer, true);
054            }
055        }
056
057        List<ComponentModifier> componentModifiers = component.getComponentModifiers();
058        if (componentModifiers != null) {
059            for (ComponentModifier modifier : component.getComponentModifiers()) {
060                ViewLifecycle.getExpressionEvaluator().populatePropertyExpressionsFromGraph(modifier, true);
061            }
062        }
063    }
064
065}