OrderingAttributeDialog.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.query.relational;

import java.awt.Component;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.util.Iterator;

import javax.swing.BorderFactory;
import javax.swing.JComboBox;
import javax.swing.JPanel;
import javax.swing.JScrollPane;

import org.eclipse.persistence.tools.workbench.framework.context.WorkbenchContext;
import org.eclipse.persistence.tools.workbench.mappingsmodel.query.relational.MWAttributeItem;
import org.eclipse.persistence.tools.workbench.mappingsmodel.query.relational.MWOrderableQuery;
import org.eclipse.persistence.tools.workbench.mappingsmodel.query.relational.Ordering;
import org.eclipse.persistence.tools.workbench.utility.filters.Filter;


class OrderingAttributeDialog extends AttributeItemDialog {

    private JComboBox orderComboBox;

    OrderingAttributeDialog(MWOrderableQuery query, Ordering item, Filter traversableFilter, Filter chooseableFilter, WorkbenchContext context) {
        super(query, (MWAttributeItem) item, traversableFilter, chooseableFilter, context);
    }

    protected String titleKey() {
        return "ORDERING_ATTRIBUTES_DIALOG_TITLE";
    }

    protected String editTitleKey() {
        return "ORDERING_ATTRIBUTES_EDIT_DIALOG_TITLE";
    }

    protected String helpTopicId() {
        return "descriptor.queryManager.query.orderingAttributes";
    }

    protected Component buildMainPanel() {
        GridBagConstraints constraints = new GridBagConstraints();

        JPanel panel = new JPanel(new GridBagLayout());
        panel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));

        JScrollPane scrollPane = new JScrollPane(buildQueryableTree());
        constraints.gridx        = 0;
        constraints.gridy        = 0;
        constraints.gridwidth    = 1;
        constraints.gridheight    = 1;
        constraints.weightx        = 1;
        constraints.weighty        = 1;
        constraints.fill        = GridBagConstraints.BOTH;
        constraints.anchor        = GridBagConstraints.CENTER;
        constraints.insets        = new Insets(0, 0, 0, 0);
        panel.add(scrollPane, constraints);

        JComboBox orderComboBox = buildOrderComboBox();
        constraints.gridx        = 0;
        constraints.gridy        = 1;
        constraints.gridwidth    = 1;
        constraints.gridheight    = 1;
        constraints.weightx        = 1;
        constraints.weighty        = 0;
        constraints.fill        = GridBagConstraints.HORIZONTAL;
        constraints.anchor        = GridBagConstraints.LINE_START;
        constraints.insets        = new Insets(5, 0, 0, 0);
        panel.add(orderComboBox, constraints);

        return panel;
    }

    protected void initializeEditMode(MWAttributeItem attributeItem) {
        super.initializeEditMode(attributeItem);
        initializeOrderComboBox(attributeItem);
    }

    protected void initializeOrderComboBox(MWAttributeItem attributeItem) {
        if (((Ordering) attributeItem).isAscending()) {
            this.orderComboBox.setSelectedItem(resourceRepository().getString("ASCENDING_CHOICE"));
        }
        else {
            this.orderComboBox.setSelectedItem(resourceRepository().getString("DESCENDING_CHOICE"));
        }
    }

    protected JComboBox buildOrderComboBox() {
        this.orderComboBox = new JComboBox();
        this.orderComboBox.addItem(resourceRepository().getString("ASCENDING_CHOICE"));
        this.orderComboBox.addItem(resourceRepository().getString("DESCENDING_CHOICE"));
        return this.orderComboBox;
    }

    boolean isAscending() {
        return this.orderComboBox.getSelectedItem().equals(resourceRepository().getString("ASCENDING_CHOICE"));
    }


    protected int attributeItemsSize() {
        return ((MWOrderableQuery) getQuery()).orderingItemsSize();
    }


    protected int indexOfAttributeItem(MWAttributeItem attributeItem) {
        return ((MWOrderableQuery) getQuery()).indexOfOrderingItem((Ordering) attributeItem);
    }

    protected void removeAttributeItem(int index) {
        ((MWOrderableQuery) getQuery()).removeOrderingItem(index);
    }

    protected void addAttributeItem(int index, Iterator queryables, Iterator allowsNulls) {
        Ordering item = ((MWOrderableQuery) getQuery()).addOrderingItem(index, queryables, allowsNulls);
        item.setAscending(isAscending());
    }

}