EisReferenceMappingFieldPairEditingPanel.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.Dimension;
import java.awt.GridBagConstraints;
import java.awt.Insets;
import javax.swing.JLabel;

import org.eclipse.persistence.tools.workbench.framework.context.DefaultWorkbenchContextHolder;
import org.eclipse.persistence.tools.workbench.framework.context.WorkbenchContext;
import org.eclipse.persistence.tools.workbench.framework.ui.view.AbstractPanel;
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;


final class EisReferenceMappingFieldPairEditingPanel
    extends AbstractPanel
{
    // **************** Variables *********************************************

    /** Used to govern how the field pair is edited */
    private FieldPairSpec fieldPairSpec;


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

    public EisReferenceMappingFieldPairEditingPanel(WorkbenchContext context, FieldPairSpec fieldPairSpec) {
        super(new DefaultWorkbenchContextHolder(context));
        this.fieldPairSpec = fieldPairSpec;
        this.initializeLayout();
    }


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

    protected void initializeLayout() {
        GridBagConstraints constraints = new GridBagConstraints();

        // Source field label
        JLabel sourceFieldLabel = this.buildSourceFieldLabel();
        constraints.gridx        = 0;
        constraints.gridy        = 0;
        constraints.gridwidth    = 1;
        constraints.gridheight    = 1;
        constraints.weightx        = 0;
        constraints.weighty        = 0;
        constraints.fill        = GridBagConstraints.NONE;
        constraints.anchor        = GridBagConstraints.LINE_START;
        constraints.insets        = new Insets(0, 0, 0, 0);
        this.add(sourceFieldLabel, constraints);

        // Source Field component
        XpathChooser sourceFieldChooser = this.buildSourceFieldChooser();
        sourceFieldChooser.setAccessibleLabeler(sourceFieldLabel);
        constraints.gridx        = 1;
        constraints.gridy        = 0;
        constraints.gridwidth    = 1;
        constraints.gridheight    = 1;
        constraints.weightx        = 1;
        constraints.weighty        = 0;
        constraints.fill        = GridBagConstraints.HORIZONTAL;
        constraints.anchor        = GridBagConstraints.PAGE_START;
        constraints.insets        = new Insets(0, 5, 0, 0);
        this.add(sourceFieldChooser, constraints);

        // Target field label
        JLabel targetFieldLabel = this.buildTargetFieldLabel();
        constraints.gridx        = 0;
        constraints.gridy        = 1;
        constraints.gridwidth    = 1;
        constraints.gridheight    = 1;
        constraints.weightx        = 0;
        constraints.weighty        = 0;
        constraints.fill        = GridBagConstraints.NONE;
        constraints.anchor        = GridBagConstraints.LINE_START;
        constraints.insets        = new Insets(5, 0, 0, 0);
        this.add(targetFieldLabel, constraints);

        // Target Field component
        XpathChooser targetFieldChooser = this.buildTargetFieldChooser();
        targetFieldChooser.setAccessibleLabeler(targetFieldLabel);
        constraints.gridx        = 1;
        constraints.gridy        = 1;
        constraints.gridwidth    = 1;
        constraints.gridheight    = 1;
        constraints.weightx        = 1;
        constraints.weighty        = 1;
        constraints.fill        = GridBagConstraints.HORIZONTAL;
        constraints.anchor        = GridBagConstraints.PAGE_START;
        constraints.insets        = new Insets(0, 5, 0, 0);
        add(targetFieldChooser, constraints);
    }

    private JLabel buildSourceFieldLabel() {
        return this.buildLabel("EIS_REFERENCE_MAPPING_FIELD_PAIR_EDITING_PANEL.SOURCE_FIELD_CHOOSER");
    }

    private XpathChooser buildSourceFieldChooser() {
        XpathChooser chooser =
            new XpathChooser(
                this.getWorkbenchContextHolder(),
                EisReferenceMappingFieldPairEditingPanel.this.fieldPairSpec.sourceXmlFieldHolder(),
                EisReferenceMappingFieldPairEditingPanel.this.fieldPairSpec.sourceXpathHolder()
            );
        chooser.setPreferredSize(new Dimension(400, chooser.getPreferredSize().height));
        this.putClientProperty("initialFocus", chooser);
        return chooser;
    }

    private JLabel buildTargetFieldLabel() {
        return this.buildLabel("EIS_REFERENCE_MAPPING_FIELD_PAIR_EDITING_PANEL.TARGET_FIELD_CHOOSER");
    }

    private XpathChooser buildTargetFieldChooser() {
        XpathChooser chooser =
            new XpathChooser (
                this.getWorkbenchContextHolder(),
                EisReferenceMappingFieldPairEditingPanel.this.fieldPairSpec.targetXmlFieldHolder(),
                EisReferenceMappingFieldPairEditingPanel.this.fieldPairSpec.targetXpathHolder()
            );
        chooser.setPreferredSize(new Dimension(400, chooser.getPreferredSize().height));
        return chooser;
    }


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

    public static interface FieldPairSpec
    {
        ValueModel sourceXmlFieldHolder();

        PropertyValueModel sourceXpathHolder();

        ValueModel targetXmlFieldHolder();

        PropertyValueModel targetXpathHolder();
    }
}