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

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Here is the source code for org.apache.directory.studio.schemaeditor.controller.actions.OpenProjectAction.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.controller.ProjectsHandler;
import org.apache.directory.studio.schemaeditor.controller.ProjectsHandlerAdapter;
import org.apache.directory.studio.schemaeditor.model.Project;
import org.apache.directory.studio.schemaeditor.model.Project.ProjectState;
import org.apache.directory.studio.schemaeditor.view.wrappers.ProjectWrapper;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;

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

    /** The ProjectsHandler */
    private ProjectsHandler projectsHandler;

    /**
     * Creates a new instance of RenameProjectAction.
     *
     * @param view
     *      the associate view
     */
    public OpenProjectAction(TableViewer viewer) {
        super(Messages.getString("OpenProjectAction.OpenProjectAction")); //$NON-NLS-1$
        setToolTipText(Messages.getString("OpenProjectAction.OpenProjectToolTip")); //$NON-NLS-1$
        setEnabled(false);
        this.viewer = viewer;
        this.viewer.addSelectionChangedListener(new ISelectionChangedListener() {
            public void selectionChanged(SelectionChangedEvent event) {
                enableDisable();
            }
        });
        projectsHandler = Activator.getDefault().getProjectsHandler();
        projectsHandler.addListener(new ProjectsHandlerAdapter() {
            public void openProjectChanged(Project oldProject, Project newProject) {
                enableDisable();
            }
        });
    }

    /**
     * Enables or disables the Action.
     */
    private void enableDisable() {
        StructuredSelection selection = (StructuredSelection) viewer.getSelection();
        if ((!selection.isEmpty()) && (selection.size() == 1)) {
            setEnabled(((ProjectWrapper) selection.getFirstElement()).getProject().getState()
                    .equals(ProjectState.CLOSED));
        } else {
            setEnabled(false);
        }
    }

    /**
     * {@inheritDoc}
     */
    public void run() {
        StructuredSelection selection = (StructuredSelection) viewer.getSelection();
        if ((!selection.isEmpty()) && (selection.size() == 1)) {
            projectsHandler.openProject(((ProjectWrapper) selection.getFirstElement()).getProject());
        }

    }

    /**
     * {@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
    }
}