Package org.apache.isis.viewer.html.action.view

Source Code of org.apache.isis.viewer.html.action.view.CollectionView

/*
*  Licensed to the Apache Software Foundation (ASF) under one
*  or more contributor license agreements.  See the NOTICE file
*  distributed with this work for additional information
*  regarding copyright ownership.  The ASF licenses this file
*  to you 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.
*/

package org.apache.isis.viewer.html.action.view;

import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.facets.typeof.TypeOfFacet;
import org.apache.isis.core.metamodel.spec.ObjectSpecification;
import org.apache.isis.core.metamodel.spec.feature.ObjectAssociationFilters;
import org.apache.isis.viewer.html.action.Action;
import org.apache.isis.viewer.html.action.ActionException;
import org.apache.isis.viewer.html.action.view.util.TableUtil;
import org.apache.isis.viewer.html.component.Page;
import org.apache.isis.viewer.html.component.Table;
import org.apache.isis.viewer.html.component.ViewPane;
import org.apache.isis.viewer.html.context.Context;
import org.apache.isis.viewer.html.request.Request;

public class CollectionView implements Action {

    @Override
    public final void execute(final Request request, final Context context, final Page page) {
        final String idString = request.getObjectId();
        final ObjectAdapter collection = context.getMappedCollection(idString);
        if (collection == null) {
            throw new ActionException("No such collection: " + idString);
        }
        final String titleString = collection.titleString();

        page.setTitle(titleString);

        final TypeOfFacet facet = collection.getSpecification().getFacet(TypeOfFacet.class);
        final ObjectSpecification elementSpecification = facet.valueSpec();

        final ViewPane content = page.getViewPane();
        content.setWarningsAndMessages(context.getMessages(), context.getWarnings());
        content.setTitle(titleString, null);
        String iconName = collection.getIconName();
        if (iconName == null) {
            iconName = elementSpecification.getShortIdentifier();
        }
        content.setIconName(iconName);

        if (elementSpecification.getAssociations(ObjectAssociationFilters.WHEN_VISIBLE_IRRESPECTIVE_OF_WHERE).size() != 0) {
            final Table table = TableUtil.createTable(context, false, collection, titleString, elementSpecification);
            content.add(table);
        } else {
            // TODO this should create a list component instead of a table
            final Table table = TableUtil.createTable(context, false, collection, titleString, elementSpecification);
            content.add(table);
        }

        context.addCollectionCrumb(idString);

        context.addCollectionToHistory(idString);
        context.clearMessagesAndWarnings();
    }

    @Override
    public String name() {
        return Request.COLLECTION_COMMAND;
    }

}
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