org.eclipse.ajdt.internal.buildpath.ConfigureAJBuildPathAction.java Source code

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Here is the source code for org.eclipse.ajdt.internal.buildpath.ConfigureAJBuildPathAction.java

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/*******************************************************************************
 * Copyright (c) 2006 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     Matthew Ford - initial API and implementation
 *******************************************************************************/
package org.eclipse.ajdt.internal.buildpath;

import org.eclipse.ajdt.ui.AspectJUIPlugin;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.internal.corext.util.JavaModelUtil;
import org.eclipse.jdt.internal.ui.JavaPluginImages;
import org.eclipse.jdt.internal.ui.packageview.ClassPathContainer;
import org.eclipse.jdt.internal.ui.wizards.NewWizardMessages;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IActionDelegate;
import org.eclipse.ui.dialogs.PreferencesUtil;

public class ConfigureAJBuildPathAction extends Action implements IActionDelegate {
    private IProject fProject;

    public ConfigureAJBuildPathAction() {
        super(NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_ConfigureBP_label,
                JavaPluginImages.DESC_ELCL_CONFIGURE_BUILDPATH);
        setToolTipText(NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_ConfigureBP_tooltip);
        setDisabledImageDescriptor(JavaPluginImages.DESC_DLCL_CONFIGURE_BUILDPATH);
    }

    private Shell getShell() {
        return AspectJUIPlugin.getDefault().getWorkbench().getActiveWorkbenchWindow().getShell();
    }

    public void run(IAction action) {
        if (fProject != null) {
            PreferencesUtil
                    .createPropertyDialogOn(getShell(), fProject, "org.eclipse.ajdt.ui.ProjectPage", null, null) //$NON-NLS-1$
                    .open();
        }
    }

    private IProject getProjectFromSelectedElement(Object firstElement) {
        if (firstElement instanceof IJavaElement) {
            IJavaElement element = (IJavaElement) firstElement;
            IPackageFragmentRoot root = JavaModelUtil.getPackageFragmentRoot(element);
            if (root != null && root != element && root.isArchive()) {
                return null;
            }
            IJavaProject project = element.getJavaProject();
            if (project != null) {
                return project.getProject();
            }
            return null;
        } else if (firstElement instanceof ClassPathContainer) {
            return ((ClassPathContainer) firstElement).getJavaProject().getProject();
        } else if (firstElement instanceof IAdaptable) {
            IResource res = (IResource) ((IAdaptable) firstElement).getAdapter(IResource.class);
            if (res != null) {
                return res.getProject();
            }
        }
        return null;
    }

    public void selectionChanged(IAction action, ISelection selection) {
        if (selection instanceof IStructuredSelection) {
            Object firstElement = ((IStructuredSelection) selection).getFirstElement();
            fProject = getProjectFromSelectedElement(firstElement);
        }
    }

}