Package org.apache.isis.viewer.wicket.ui.components.widgets.entitylink

Source Code of org.apache.isis.viewer.wicket.ui.components.widgets.entitylink.FindUsingLinkFactory

/*
*  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
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package org.apache.isis.viewer.wicket.ui.components.widgets.entitylink;

import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.spec.feature.ObjectAction;
import org.apache.isis.viewer.wicket.model.common.NoResultsHandler;
import org.apache.isis.viewer.wicket.model.common.SelectionHandler;
import org.apache.isis.viewer.wicket.model.mementos.ActionMemento;
import org.apache.isis.viewer.wicket.model.mementos.ObjectAdapterMemento;
import org.apache.isis.viewer.wicket.model.models.ActionModel;
import org.apache.isis.viewer.wicket.model.models.ActionModel.SingleResultsMode;
import org.apache.isis.viewer.wicket.model.util.Actions;
import org.apache.isis.viewer.wicket.ui.components.widgets.cssmenu.CssMenuLinkFactory;
import org.apache.wicket.Component;
import org.apache.wicket.markup.html.link.Link;

final class FindUsingLinkFactory implements CssMenuLinkFactory {

    private static final long serialVersionUID = 1L;

    private final EntityLink entityLink;

    FindUsingLinkFactory(final EntityLink entityLink) {
        this.entityLink = entityLink;
    }

    @Override
    public LinkAndLabel newLink(final ObjectAdapterMemento adapterMemento, final ObjectAction action,
        final String linkId) {
        final ActionMemento actionMemento = new ActionMemento(action);
        final ActionModel.Mode actionMode = ActionModel.determineMode(action);
        final ActionModel actionModel =
            ActionModel.create(adapterMemento, actionMemento, actionMode, SingleResultsMode.SELECT);

        actionModel.setSelectionHandler(new SelectionHandler() {
            private static final long serialVersionUID = 1L;

            @Override
            public void onSelected(final Component context, final ObjectAdapter selectedAdapter) {
                entityLink.onSelected(selectedAdapter);
            }
        });
        actionModel.setNoResultsHandler(new NoResultsHandler() {
            private static final long serialVersionUID = 1L;

            @Override
            public void onNoResults(final Component context) {
                entityLink.onNoResults();
            }
        });

        return new LinkAndLabel(new Link<String>(linkId) {
            private static final long serialVersionUID = 1L;

            @Override
            public void onClick() {
                entityLink.onClick(actionModel);
            }
        }, Actions.labelFor(action));
    }

}
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