RenameDescriptorAction.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.descriptor;

import java.util.Collection;
import java.util.Iterator;

import org.eclipse.persistence.tools.workbench.framework.action.AbstractFrameworkAction;
import org.eclipse.persistence.tools.workbench.framework.app.ApplicationNode;
import org.eclipse.persistence.tools.workbench.framework.context.WorkbenchContext;
import org.eclipse.persistence.tools.workbench.mappingsmodel.descriptor.MWDescriptor;
import org.eclipse.persistence.tools.workbench.mappingsmodel.project.MWProject;
import org.eclipse.persistence.tools.workbench.mappingsplugin.NewClassNameDialog;
import org.eclipse.persistence.tools.workbench.mappingsplugin.ui.common.MappingsApplicationNode;
import org.eclipse.persistence.tools.workbench.utility.ClassTools;
import org.eclipse.persistence.tools.workbench.utility.CollectionTools;
import org.eclipse.persistence.tools.workbench.utility.iterators.FilteringIterator;


final class RenameDescriptorAction extends AbstractFrameworkAction {

    RenameDescriptorAction(WorkbenchContext context) {
        super(context.buildExpandedResourceRepositoryContext(UiDescriptorBundle.class));
    }

    protected void initialize() {
        super.initialize();
        this.setIcon(EMPTY_ICON);
        this.initializeTextAndMnemonic("RENAME_DESCRIPTOR_ACTION");
        this.initializeToolTipText("RENAME_DESCRIPTOR_ACTION.toolTipText");
    }

    protected void execute(final ApplicationNode selectedNode) {
        // if the descriptor's package changes, the node's path will change;
        // so hold the descriptor and search for its node after the rename is complete
        MWDescriptor descriptor = (MWDescriptor) selectedNode.getValue();
        ApplicationNode projectNode = selectedNode.getProjectRoot();
        this.navigatorSelectionModel().pushExpansionState();
        this.promptToRenameDescriptor(selectedNode);
        this.navigatorSelectionModel().popAndRestoreExpansionState();
        this.navigatorSelectionModel().setSelectedNode(projectNode.descendantNodeForValue(descriptor));
    }

    private void promptToRenameDescriptor(ApplicationNode selectedNode) {
        MWDescriptor descriptor = (MWDescriptor) selectedNode.getValue();
        MWProject project = descriptor.getProject();

        NewClassNameDialog dialog = this.buildNewClassNameDialog(project, selectedNode, descriptor.getName());
        dialog.setTitle(this.resourceRepository().getString("RENAME_CLASS_DIALOG_TITLE"));
        dialog.setAllowExistingType(false);
        dialog.setVisible(true);

        if (dialog.wasCanceled()) {
            return;
        }

        String typeName = dialog.className();
        descriptor.getMWClass().setName(typeName);
        descriptor.setName(typeName);
    }

    private NewClassNameDialog buildNewClassNameDialog(MWProject project, ApplicationNode selectedNode, String typeName) {
        return new NewClassNameDialog(
            this.buildPackageNames(project),
            this.buildPackageName(selectedNode),
            ClassTools.shortNameForClassNamed(typeName),
            project,
            this.getWorkbenchContext()
        );
    }

    private Collection buildPackageNames(MWProject project) {
        Iterator packageNames = new FilteringIterator(project.packageNames()) {
            protected boolean accept(Object packageName) {
                return ((String) packageName).length() > 0;
            }
        };
        return CollectionTools.collection(packageNames);
    }

    private String buildPackageName(ApplicationNode selectedNode) {
        return ((MappingsApplicationNode) selectedNode).candidatePackageName();
    }

}