RelationalProjectComponentFactory.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.project.relational;

import java.util.Iterator;

import javax.swing.ListCellRenderer;

import org.eclipse.persistence.tools.workbench.framework.context.WorkbenchContextHolder;
import org.eclipse.persistence.tools.workbench.framework.resources.ResourceRepository;
import org.eclipse.persistence.tools.workbench.framework.ui.chooser.DefaultListChooser;
import org.eclipse.persistence.tools.workbench.framework.ui.chooser.DefaultListChooserDialog;
import org.eclipse.persistence.tools.workbench.framework.uitools.SwingComponentFactory;
import org.eclipse.persistence.tools.workbench.mappingsmodel.MWModel;
import org.eclipse.persistence.tools.workbench.mappingsmodel.db.MWDatabase;
import org.eclipse.persistence.tools.workbench.mappingsmodel.db.MWTable;
import org.eclipse.persistence.tools.workbench.mappingsplugin.ui.common.cell.TableCellRendererAdapter;
import org.eclipse.persistence.tools.workbench.uitools.app.CollectionAspectAdapter;
import org.eclipse.persistence.tools.workbench.uitools.app.CollectionValueModel;
import org.eclipse.persistence.tools.workbench.uitools.app.ExtendedListValueModelWrapper;
import org.eclipse.persistence.tools.workbench.uitools.app.ItemPropertyListValueModelAdapter;
import org.eclipse.persistence.tools.workbench.uitools.app.ListValueModel;
import org.eclipse.persistence.tools.workbench.uitools.app.PropertyValueModel;
import org.eclipse.persistence.tools.workbench.uitools.app.SortedListValueModelAdapter;
import org.eclipse.persistence.tools.workbench.uitools.app.TransformationPropertyValueModel;
import org.eclipse.persistence.tools.workbench.uitools.app.ValueModel;
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;
import org.eclipse.persistence.tools.workbench.uitools.chooser.NodeSelector;


public class RelationalProjectComponentFactory extends SwingComponentFactory {

    public static ListChooser buildTableChooser(PropertyValueModel mwModelHolder, PropertyValueModel selectedTableHolder, DefaultListChooserDialog.Builder dialogBuilder, WorkbenchContextHolder contextHolder) {
        ListChooser listChooser =
            new DefaultListChooser(
                new ComboBoxModelAdapter(
                    buildExtendedTablesHolder(mwModelHolder),
                    selectedTableHolder
                ),
                contextHolder,
                buildTableNodeSelector(contextHolder),
                dialogBuilder
            );
        listChooser.setRenderer(buildMWTableListCellRenderer(contextHolder.getWorkbenchContext().getApplicationContext().getResourceRepository()));

        return listChooser;
    }

    /**
     * the database will never change, but the MWModel might
     */
    private static ValueModel buildDatabaseAdapter(PropertyValueModel mwModelHolder) {
        return new TransformationPropertyValueModel(mwModelHolder) {
            protected Object transform(Object value) {
                return (value == null) ? null : ((MWModel) value).getDatabase();
            }
            protected Object reverseTransform(Object value) {
                throw new UnsupportedOperationException();
            }
        };
    }

    /**
     * tack a null on the front of the list of tables
     * (to represent "none selected")
     */
    public static ListValueModel buildExtendedTablesHolder(PropertyValueModel mwModelHolder) {
        return new ExtendedListValueModelWrapper(buildSortedTablesHolder(buildDatabaseAdapter(mwModelHolder)));
    }

    /**
     * sort the list of tables
     */
    private static ListValueModel buildSortedTablesHolder(ValueModel databaseHolder) {
        return new SortedListValueModelAdapter(buildTableNameAdapter(databaseHolder));
    }

    /**
     * listen to each table's name
     */
    private static ListValueModel buildTableNameAdapter(ValueModel databaseHolder) {
        return new ItemPropertyListValueModelAdapter(buildTablesAdapter(databaseHolder), MWTable.QUALIFIED_NAME_PROPERTY);
    }

    /**
     * adapt the database's tables
     */
    private static CollectionValueModel buildTablesAdapter(ValueModel databaseHolder) {
        return new CollectionAspectAdapter(databaseHolder, MWDatabase.TABLES_COLLECTION) {
            protected Iterator getValueFromSubject() {
                return ((MWDatabase) this.subject).tables();
            }
            protected int sizeFromSubject() {
                return ((MWDatabase) this.subject).tablesSize();
            }
        };
    }

    private static ListCellRenderer buildMWTableListCellRenderer(ResourceRepository resourceRepository) {
        return new AdaptableListCellRenderer(new TableCellRendererAdapter(resourceRepository));
    }


    public static NodeSelector buildTableNodeSelector(final WorkbenchContextHolder contextHolder) {
        return new NodeSelector() {
            public void selectNodeFor(Object item) {
                RelationalProjectNode projectNode = (RelationalProjectNode) contextHolder.getWorkbenchContext().getNavigatorSelectionModel().getSelectedProjectNodes()[0];
                projectNode.selectTableNodeFor((MWTable) item, contextHolder.getWorkbenchContext().getNavigatorSelectionModel());
            }
        };
    }
}