XmlFieldTransformerAssociationEditingPanel.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.awt.Insets;
import javax.swing.BorderFactory;
import javax.swing.JLabel;
import javax.swing.JPanel;

import org.eclipse.persistence.tools.workbench.framework.context.WorkbenchContext;
import org.eclipse.persistence.tools.workbench.mappingsplugin.ui.mapping.FieldTransformerAssociationEditingPanel;
import org.eclipse.persistence.tools.workbench.mappingsplugin.ui.xml.XpathChooser;
import org.eclipse.persistence.tools.workbench.uitools.app.PropertyValueModel;
import org.eclipse.persistence.tools.workbench.uitools.app.ValueModel;


public final class XmlFieldTransformerAssociationEditingPanel
    extends FieldTransformerAssociationEditingPanel
{

    // **************** Constructors ******************************************

    XmlFieldTransformerAssociationEditingPanel(FieldTransformerAssociationSpec associationSpec, WorkbenchContext context) {
        super(associationSpec, context);
    }


    // **************** Initialization ****************************************

    /** Not really a "field" - we create an xpath chooser panel here */
    protected JPanel buildFieldChooserPanel() {
        Insets offset = BorderFactory.createTitledBorder("m").getBorderInsets(this);
        JPanel panel = new JPanel(new BorderLayout());
        panel.setBorder(BorderFactory.createEmptyBorder(0, offset.left, 0, offset.right));

        JLabel xpathLabel = this.buildLabel("XML_FIELD_TRANSFORMER_ASSOCIATION_PANEL_FIELD_CHOOSER");
        panel.add(xpathLabel, BorderLayout.LINE_START);
        addAlignLeft(xpathLabel);

        XpathChooser chooser = this.buildXpathChooser();
        chooser.setAccessibleLabeler(xpathLabel);
        panel.add(chooser, BorderLayout.CENTER);
        addPaneForAlignment(chooser);

        return panel;
    }

    private XpathChooser buildXpathChooser() {
        return new XpathChooser(
            this.getWorkbenchContextHolder(),
            this.associationSpec().xmlFieldHolder(),
            this.associationSpec().xpathHolder()
        );
    }


    // **************** Convenience *******************************************

    private XmlFieldTransformerAssociationSpec associationSpec() {
        return (XmlFieldTransformerAssociationSpec) this.associationSpec;
    }


    // **************** Member classes ****************************************

    public static interface XmlFieldTransformerAssociationSpec
        extends FieldTransformerAssociationSpec
    {
        /** Should return an unchanging holder, holding an unchanging value */
        ValueModel xmlFieldHolder();

        /** Should return an unchanging holder (only the value may change) */
        PropertyValueModel xpathHolder();
    }
}