ch.netcetera.eclipse.copyaspath.DefaultHandler.java Source code

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Here is the source code for ch.netcetera.eclipse.copyaspath.DefaultHandler.java

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/*
 * Copyright (c) 2013 Netcetera AG.
 * 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:
 * - Netcetera AG: initial implementation
 */
package ch.netcetera.eclipse.copyaspath;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.dnd.Clipboard;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.handlers.HandlerUtil;

/**
 * Handles all calls to "Copy as Path".
 */
public class DefaultHandler extends AbstractHandler {

    @Override
    public Object execute(ExecutionEvent event) throws ExecutionException {
        IResource resource = null;
        ISelection currentSelection = HandlerUtil.getCurrentSelection(event);
        Object firstElement = null;
        if (currentSelection instanceof IStructuredSelection) {
            IStructuredSelection ssel = (IStructuredSelection) currentSelection;
            firstElement = ssel.getFirstElement();
        }
        if (firstElement instanceof IAdaptable) {
            IAdaptable adaptableFirstElement = (IAdaptable) firstElement;
            resource = (IResource) adaptableFirstElement.getAdapter(IResource.class);
        }

        if (resource == null) {
            IEditorInput activeEditorInput = HandlerUtil.getActiveEditorInput(event);
            if (activeEditorInput != null) {
                resource = (IResource) activeEditorInput.getAdapter(IResource.class);
            }
        }

        String path = null;

        if (resource != null) {
            path = resource.getLocation().toOSString();
        } else if (firstElement instanceof IJavaElement) {
            path = ((IJavaElement) firstElement).getPath().toOSString();
        }
        Clipboard clipboard = new Clipboard(HandlerUtil.getActiveShell(event).getDisplay());
        try {
            clipboard.setContents(new Object[] { path }, new Transfer[] { TextTransfer.getInstance() });
        } finally {
            clipboard.dispose();
        }
        return null;
    }
}