MaintainsBidirectionalRelationshipPanel.java

/*******************************************************************************
 * Copyright (c) 1998, 2015 Oracle and/or its affiliates. All rights reserved.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
 * which accompanies this distribution.
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *     Oracle - initial API and implementation from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.tools.workbench.mappingsplugin.ui.mapping.xml;

import java.awt.BorderLayout;
import java.util.Iterator;
import javax.swing.ButtonModel;
import javax.swing.ComboBoxModel;
import javax.swing.JCheckBox;
import javax.swing.JComponent;

import org.eclipse.persistence.tools.workbench.framework.context.WorkbenchContextHolder;
import org.eclipse.persistence.tools.workbench.framework.ui.chooser.DefaultListChooser;
import org.eclipse.persistence.tools.workbench.framework.ui.view.AbstractSubjectPanel;
import org.eclipse.persistence.tools.workbench.framework.uitools.GroupBox;
import org.eclipse.persistence.tools.workbench.mappingsmodel.descriptor.MWMappingDescriptor;
import org.eclipse.persistence.tools.workbench.mappingsmodel.mapping.MWMapping;
import org.eclipse.persistence.tools.workbench.mappingsmodel.mapping.xml.MWEisReferenceMapping;
import org.eclipse.persistence.tools.workbench.mappingsplugin.ui.common.cell.MappingCellRendererAdapter;
import org.eclipse.persistence.tools.workbench.uitools.ComponentEnabler;
import org.eclipse.persistence.tools.workbench.uitools.app.*;
import org.eclipse.persistence.tools.workbench.uitools.app.swing.CheckBoxModelAdapter;
import org.eclipse.persistence.tools.workbench.uitools.app.swing.ComboBoxModelAdapter;
import org.eclipse.persistence.tools.workbench.uitools.cell.AdaptableListCellRenderer;
import org.eclipse.persistence.tools.workbench.uitools.chooser.ListChooser;


//TODO this should not have been copied directly from the ui.mapping.relational bundle!
final class MaintainsBidirectionalRelationshipPanel extends AbstractSubjectPanel
{
    MaintainsBidirectionalRelationshipPanel(ValueModel subjectHolder,
                                                         WorkbenchContextHolder context)
    {
        super(new BorderLayout(), subjectHolder, context);
    }

    private ButtonModel buildMaintainsBidirectionalityRelationshipCheckBoxAdapter()
    {
        return new CheckBoxModelAdapter(buildMaintainsBidirectionalityRelationshipHolder());
    }

    private PropertyValueModel buildMaintainsBidirectionalityRelationshipHolder()
    {
        return new PropertyAspectAdapter(getSubjectHolder(), MWEisReferenceMapping.MAINTAINS_BIDIRECTIONAL_RELATIONSHIP_PROPERTY)
        {
            protected Object getValueFromSubject()
            {
                MWEisReferenceMapping mapping = (MWEisReferenceMapping) subject;
                return Boolean.valueOf(mapping.maintainsBidirectionalRelationship());
            }

            protected void setValueOnSubject(Object value)
            {
                MWEisReferenceMapping mapping = (MWEisReferenceMapping) subject;
                mapping.setMaintainsBidirectionalRelationship(Boolean.TRUE.equals(value));
            }
        };
    }

    private ListChooser buildRelationshipPartnerChooser() {
        ListChooser chooser =
            new DefaultListChooser(this.buildRelationshipPartnerComboAdapter(), this.getWorkbenchContextHolder());
        chooser.setRenderer(new AdaptableListCellRenderer(new MappingCellRendererAdapter(this.resourceRepository())));
        return chooser;
    }

    private CollectionValueModel buildRelationshipPartnerCollectionHolder()
    {
        PropertyAspectAdapter referenceDescriptorHolder = new PropertyAspectAdapter(getSubjectHolder(), MWEisReferenceMapping.REFERENCE_DESCRIPTOR_PROPERTY)
        {
            protected Object getValueFromSubject()
            {
                MWEisReferenceMapping mapping = (MWEisReferenceMapping) subject;
                return mapping.getReferenceDescriptor();
            }
        };

        return new CollectionAspectAdapter(referenceDescriptorHolder, MWMappingDescriptor.MAPPINGS_COLLECTION)
        {
            protected Iterator getValueFromSubject()
            {
                return ((MWMappingDescriptor) subject).mappings();
            }

            protected int sizeFromSubject()
            {
                return ((MWMappingDescriptor) subject).mappingsSize();
            }
        };
    }

    private ComboBoxModel buildRelationshipPartnerComboAdapter()
    {
        return new ComboBoxModelAdapter(buildRelationshipPartnerListModel(),
                                                  buildRelationshipPartnerHolder());
    }

    private PropertyValueModel buildRelationshipPartnerHolder()
    {
        return new PropertyAspectAdapter(getSubjectHolder(), MWEisReferenceMapping.RELATIONSHIP_PARTNER_MAPPING_PROPERTY)
        {
            protected Object getValueFromSubject()
            {
                MWEisReferenceMapping mapping = (MWEisReferenceMapping) subject;
                return mapping.getRelationshipPartnerMapping();
            }

            protected void setValueOnSubject(Object value)
            {
                MWEisReferenceMapping mapping = (MWEisReferenceMapping) subject;
                mapping.setRelationshipPartnerMapping((MWMapping) value);
            }
        };
    }

    private ListValueModel buildRelationshipPartnerListModel()
    {
        return new SortedListValueModelAdapter
        (
            new FilteringCollectionValueModel(buildRelationshipPartnerCollectionHolder())
            {
                protected boolean accept(Object value)
                {
                    return value != subject();
                }
            }
        );
    }

    protected void initializeLayout()
    {
        JCheckBox maintainsBidiRelationshipCheckBox = buildCheckBox
        (
            "MAINTAINS_BIDI_RELATIONSHIP_CHECK_BOX",
            buildMaintainsBidirectionalityRelationshipCheckBoxAdapter()
        );

        JComponent relationshipPartnerWidgets = buildLabeledComponent
        (
            "MAINTAINS_BIDI_RELATIONSHIP_RELATIONSHIP_PARTNER_CHOOSER",
            buildRelationshipPartnerChooser()
        );

        new ComponentEnabler(buildMaintainsBidirectionalityRelationshipHolder(), relationshipPartnerWidgets.getComponents());

        GroupBox groupBox = new GroupBox(maintainsBidiRelationshipCheckBox, relationshipPartnerWidgets);
        add(groupBox, BorderLayout.CENTER);
        addHelpTopicId(this, "mapping.maintainsBidirectionalRelationship");
    }
}