org.apache.directory.studio.schemaeditor.controller.actions.NewObjectClassAction.java Source code

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Here is the source code for org.apache.directory.studio.schemaeditor.controller.actions.NewObjectClassAction.java

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/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *  
 *    http://www.apache.org/licenses/LICENSE-2.0
 *  
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License. 
 *  
 */
package org.apache.directory.studio.schemaeditor.controller.actions;

import org.apache.directory.studio.schemaeditor.Activator;
import org.apache.directory.studio.schemaeditor.PluginConstants;
import org.apache.directory.studio.schemaeditor.model.Schema;
import org.apache.directory.studio.schemaeditor.view.wizards.NewObjectClassWizard;
import org.apache.directory.studio.schemaeditor.view.wrappers.AttributeTypeWrapper;
import org.apache.directory.studio.schemaeditor.view.wrappers.Folder;
import org.apache.directory.studio.schemaeditor.view.wrappers.ObjectClassWrapper;
import org.apache.directory.studio.schemaeditor.view.wrappers.SchemaWrapper;
import org.apache.directory.studio.schemaeditor.view.wrappers.TreeNode;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;
import org.eclipse.ui.PlatformUI;

/**
 * This action launches the NewObjectClassWizard.
 *
 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
 */
public class NewObjectClassAction extends Action implements IWorkbenchWindowActionDelegate {
    /** The associated viewer */
    private TreeViewer viewer;

    /**
     * Creates a new instance of NewObjectClassAction.
     */
    public NewObjectClassAction(TreeViewer viewer) {
        super(Messages.getString("NewObjectClassAction.NewObjectClassAction")); //$NON-NLS-1$
        setToolTipText(Messages.getString("NewObjectClassAction.NewObjectClassToolTip")); //$NON-NLS-1$
        setId(PluginConstants.CMD_NEW_OBJECT_CLASS);
        setActionDefinitionId(PluginConstants.CMD_NEW_OBJECT_CLASS);
        setImageDescriptor(Activator.getDefault().getImageDescriptor(PluginConstants.IMG_OBJECT_CLASS_NEW));
        setEnabled(false);
        this.viewer = viewer;
    }

    /**
     * {@inheritDoc}
     */
    public void run() {
        // Getting the selection
        Schema selectedSchema = null;

        int presentation = Activator.getDefault().getPreferenceStore()
                .getInt(PluginConstants.PREFS_SCHEMA_VIEW_SCHEMA_PRESENTATION);
        if (presentation == PluginConstants.PREFS_SCHEMA_VIEW_SCHEMA_PRESENTATION_FLAT) {
            StructuredSelection selection = (StructuredSelection) viewer.getSelection();
            if ((!selection.isEmpty()) && (selection.size() == 1)) {
                Object firstElement = selection.getFirstElement();
                if (firstElement instanceof SchemaWrapper) {
                    selectedSchema = ((SchemaWrapper) firstElement).getSchema();
                } else if (firstElement instanceof Folder) {
                    selectedSchema = ((SchemaWrapper) ((Folder) firstElement).getParent()).getSchema();
                } else if (firstElement instanceof AttributeTypeWrapper) {
                    TreeNode parent = ((AttributeTypeWrapper) firstElement).getParent();

                    if (parent instanceof Folder) {
                        selectedSchema = ((SchemaWrapper) ((Folder) parent).getParent()).getSchema();

                    } else if (parent instanceof SchemaWrapper) {
                        selectedSchema = ((SchemaWrapper) parent).getSchema();
                    }
                } else if (firstElement instanceof ObjectClassWrapper) {
                    TreeNode parent = ((ObjectClassWrapper) firstElement).getParent();

                    if (parent instanceof Folder) {
                        selectedSchema = ((SchemaWrapper) ((Folder) parent).getParent()).getSchema();
                    } else if (parent instanceof SchemaWrapper) {
                        selectedSchema = ((SchemaWrapper) parent).getSchema();
                    }
                }
            }
        }

        // Instantiates and initializes the wizard
        NewObjectClassWizard wizard = new NewObjectClassWizard();
        wizard.init(PlatformUI.getWorkbench(), StructuredSelection.EMPTY);
        wizard.setSelectedSchema(selectedSchema);
        // Instantiates the wizard container with the wizard and opens it
        WizardDialog dialog = new WizardDialog(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
                wizard);
        dialog.create();
        dialog.open();
    }

    /**
     * {@inheritDoc}
     */
    public void run(IAction action) {
        run();
    }

    /**
     * {@inheritDoc}
     */
    public void dispose() {
        // Nothing to do
    }

    /**
     * {@inheritDoc}
     */
    public void init(IWorkbenchWindow window) {
        // Nothing to do
    }

    /**
     * {@inheritDoc}
     */
    public void selectionChanged(IAction action, ISelection selection) {
        // Nothing to do
    }
}