registryentrylistbox.java

来自「jetspeed源代码」· Java 代码 · 共 183 行

package org.apache.jetspeed.modules.parameters;

/*
 * Copyright 2000-2004 The Apache Software Foundation.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import org.apache.jetspeed.om.registry.Parameter;
import org.apache.jetspeed.om.registry.PortletInfoEntry;
import org.apache.jetspeed.om.registry.RegistryEntry;
import org.apache.jetspeed.om.security.JetspeedUser;
import org.apache.jetspeed.services.JetspeedSecurity;
import org.apache.jetspeed.services.Registry;
import org.apache.jetspeed.services.rundata.JetspeedRunData;
import org.apache.jetspeed.services.security.PortalResource;
import org.apache.turbine.services.localization.Localization;
import org.apache.turbine.util.RunData;
import org.apache.velocity.context.Context;

/**
 * Returns list box control populated with registry entries from selected registry.
 * <p>Options:
 * <UL>
 * <LI><code>registry</code> [Portlet|Security|PortletControl|PortletController|Skin|security|MediaType|Client] - registry name</LI> 
 * <LI><code>sort</code> [<strong>true</strong>|false] - return sorted list of items</LI>  
 * <LI><code>select-hidden</code> [<strong>false</strong>|true] - allow multiple selections</LI>  
 * <LI><code>null-if-empty</code> [<strong>true</strong>|false] - do not return a select control if item list is empty</LI>   
 * <LI><code>set-label</code> [<strong>false</strong>|true] - put label in front of the list box based on the registry name</LI>    
 * <LI><code>disabled-if-wml</code> [<strong>false</strong>|true] - set disabled attribute for the list box if using wml</LI>     
 * <LI><code>select-if-simple</code> [<strong>false</strong>|true] - select only entries with parameter "simple" set to true</LI>   
 * </UL> 
 * @author <a href="[e-mail]">Mark Orciuch</a>
 * @version $Id: RegistryEntryListBox.java,v 1.8 2004/02/23 03:01:20 jford Exp $  
 */

public class RegistryEntryListBox extends VelocityParameterPresentationStyle
{
    public static final String OPTION_REGISTRY = "registry";
    public static final String OPTION_SORT = "sort";
    public static final String OPTION_SELECT_HIDDEN = "select-hidden";
    public static final String OPTION_NULL_IF_EMPTY = "null-if-empty";
    public static final String OPTION_SET_LABEL = "set-label";
    public static final String OPTION_DISABLED_IF_WML = "disabled-if-wml";
    public static final String OPTION_SELECT_IF_SIMPLE = "select-if-simple";

    /**
     * Put custom objects in the velocity context
     * 
     * @param data
     * @param name
     * @param value
     * @param parms
     * @param context
     */
    public void buildContext(RunData data, String name, String value, Map parms, Context context)
    {
        // Initialize options
        JetspeedRunData jdata = (JetspeedRunData)data;
        String mediaType = jdata.getProfile().getMediaType();
        String regName = (String)getParm(OPTION_REGISTRY, Registry.PORTLET);
        boolean sort = (new Boolean((String)getParm(OPTION_SORT, "true"))).booleanValue();
        boolean selectHidden = (new Boolean((String)getParm(OPTION_SELECT_HIDDEN, "false"))).booleanValue();
        String nullIfEmpty = (String)getParm(OPTION_NULL_IF_EMPTY, "true");
        boolean setLabel = (new Boolean((String)getParm(OPTION_SET_LABEL, "false"))).booleanValue();
        boolean disabledIfWML = (new Boolean((String)getParm(OPTION_DISABLED_IF_WML, "false"))).booleanValue();
        boolean selectIfSimple = (new Boolean((String)getParm(OPTION_SELECT_IF_SIMPLE, "false"))).booleanValue();
        String defaultEntry = null;

        // Iterate thru entries from selected registry
        List list = new ArrayList();
        for (Iterator i = Registry.get(regName).listEntryNames(); i.hasNext();)
        {
            RegistryEntry entry = Registry.getEntry(regName, (String)i.next());
            boolean selected = false;
            selected = JetspeedSecurity.checkPermission((JetspeedUser) data.getUser(), new PortalResource(entry), "customize");
            if (selected && !selectHidden)
            {
                selected = !entry.isHidden();
            }
            if (selected && (entry instanceof PortletInfoEntry))
            {
                selected = ((PortletInfoEntry) entry).hasMediaType(mediaType);
            }
            if (selected && selectIfSimple)
            {
                Parameter simpleParam = ((PortletInfoEntry) entry).getParameter("simple");
                if (simpleParam != null)
                {
                    selected = new Boolean(simpleParam.getValue()).booleanValue();
                }
                else
                {
                    selected = false;
                }
            }
            if (selected)
            {
                list.add(entry);
            }
        }

        // Perform optional sort of list box items
        if (sort)
            Collections.sort(list, 
                             new Comparator()
                             {
                                 public int compare(Object o1, Object o2)
                                 {
                                     String t1 = (((RegistryEntry) o1).getTitle() != null)
                                     ? ((RegistryEntry) o1).getTitle()
                                     : ((RegistryEntry) o1).getName();
                                     String t2 = (((RegistryEntry) o2).getTitle() != null)
                                     ? ((RegistryEntry) o2).getTitle()
                                     : ((RegistryEntry) o2).getName();

                                     return t1.compareTo(t2);
                                 }
                             });

        // Set list box label
        String label = null;
        if (regName.equals(Registry.PORTLET))
        {
            label = Localization.getString(data, "CUSTOMIZER_PORTLET");        
        }
        else if (regName.equals(Registry.SECURITY))
        {
            label = Localization.getString(data, "CUSTOMIZER_SECURITY_REF");
//            SecurityReference defaultRef = PortalToolkit.getDefaultSecurityRef(
//                ((JetspeedRunData) data).getCustomizedProfile());
//            if (defaultRef != null)
//            {
//                defaultEntry = defaultRef.getParent();
//            }
        }
        else if (regName.equals(Registry.MEDIA_TYPE))
        {
            label = Localization.getString(data, "CUSTOMIZER_MEDIATYPE");
        }
        else if (regName.equals(Registry.PORTLET_CONTROLLER))
        {
            label = Localization.getString(data, "CUSTOMIZER_LAYOUT");
        }
        else if (regName.equals(Registry.PORTLET_CONTROL))
        {
            label = Localization.getString(data, "CUSTOMIZER_DECORATION");
        }
        else if (regName.equals(Registry.CLIENT))
        {
            label = "Client";
        }
        else
        {
            label = "";
        }
        context.put("entries", list);
        context.put("nullIfEmpty", nullIfEmpty);
        if (setLabel)
            context.put("label", label);
        if (disabledIfWML && mediaType.equalsIgnoreCase("wml"))
            context.put("disabled", "disabled");
        context.put("defaultEntry", defaultEntry);
    }

}