001/*
002 * (C) Copyright 2012 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0
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 * Contributors:
017 *     Anahide Tchertchian
018 */
019package org.nuxeo.ecm.platform.forms.layout.service;
020
021import java.util.Collection;
022import java.util.Collections;
023import java.util.LinkedHashMap;
024import java.util.Map;
025
026import org.nuxeo.runtime.model.ContributionFragmentRegistry;
027
028/**
029 * Registry for {@link DisabledPropertyRefDescriptor} instances
030 * <p>
031 * Only supports merging of contributions on "enabled" information.
032 * <p>
033 * Stores contribution in the registration order, in case some conflicting criteria are found, the first one matching
034 * will apply.
035 *
036 * @since 5.6
037 */
038public class DisabledPropertyRefRegistry extends ContributionFragmentRegistry<DisabledPropertyRefDescriptor> {
039
040    protected final Map<String, DisabledPropertyRefDescriptor> refs;
041
042    public DisabledPropertyRefRegistry() {
043        super();
044        // use linked has map since there is no ordering support, not make sure
045        this.refs = new LinkedHashMap<String, DisabledPropertyRefDescriptor>();
046    }
047
048    @Override
049    public String getContributionId(DisabledPropertyRefDescriptor contrib) {
050        return contrib.getId();
051    }
052
053    @Override
054    public void contributionUpdated(String id, DisabledPropertyRefDescriptor contrib,
055            DisabledPropertyRefDescriptor newOrigContrib) {
056        refs.put(id, contrib);
057    }
058
059    @Override
060    public void contributionRemoved(String id, DisabledPropertyRefDescriptor origContrib) {
061        refs.remove(id);
062    }
063
064    @Override
065    public boolean isSupportingMerge() {
066        return true;
067    }
068
069    @Override
070    public DisabledPropertyRefDescriptor clone(DisabledPropertyRefDescriptor orig) {
071        return orig.clone();
072    }
073
074    @Override
075    public void merge(DisabledPropertyRefDescriptor source, DisabledPropertyRefDescriptor dest) {
076        if (source.getEnabled() != dest.getEnabled()) {
077            dest.setEnabled(source.getEnabled());
078        }
079    }
080
081    public Collection<DisabledPropertyRefDescriptor> getDisabledPropertyRefs() {
082        return Collections.unmodifiableCollection(refs.values());
083    }
084
085}