com.siteview.mde.internal.ui.views.plugins.CopyToClipboardAction.java Source code

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Here is the source code for com.siteview.mde.internal.ui.views.plugins.CopyToClipboardAction.java

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/*******************************************************************************
 *  Copyright (c) 2000, 2008 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package com.siteview.mde.internal.ui.views.plugins;

import java.io.File;
import java.util.ArrayList;
import java.util.Iterator;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.viewers.IStructuredSelection;
import com.siteview.mde.internal.core.FileAdapter;
import org.eclipse.swt.dnd.*;

public class CopyToClipboardAction extends Action {
    IStructuredSelection selection;
    private Clipboard clipboard;

    /**
     * Constructor for CopyToClipboardAction.
     */
    protected CopyToClipboardAction(Clipboard clipboard) {
        setEnabled(false);
        this.clipboard = clipboard;
    }

    /**
     * Constructor for CopyToClipboardAction.
     * @param text
     */
    protected CopyToClipboardAction(String text) {
        super(text);
    }

    public void setSelection(IStructuredSelection selection) {
        this.selection = selection;
        setEnabled(canCopy(selection));
    }

    private boolean canCopy(IStructuredSelection selection) {
        if (selection.isEmpty())
            return false;
        for (Iterator iter = selection.iterator(); iter.hasNext();) {
            Object obj = iter.next();
            if (!(obj instanceof FileAdapter))
                return false;
        }
        return true;
    }

    public void run() {
        if (selection.isEmpty())
            return;
        ArrayList files = new ArrayList();
        for (Iterator iter = selection.iterator(); iter.hasNext();) {
            Object obj = iter.next();
            if (obj instanceof FileAdapter)
                files.add(obj);
        }
        doCopy(files);
    }

    private void doCopy(ArrayList files) {
        // Get the file names and a string representation
        int len = files.size();
        String[] fileNames = new String[len];
        StringBuffer buf = new StringBuffer();
        for (int i = 0, length = len; i < length; i++) {
            FileAdapter adapter = (FileAdapter) files.get(i);
            File file = adapter.getFile();
            fileNames[i] = file.getAbsolutePath();
            if (i > 0)
                buf.append("\n"); //$NON-NLS-1$
            buf.append(file.getName());
        }

        // set the clipboard contents
        clipboard.setContents(new Object[] { fileNames, buf.toString() },
                new Transfer[] { FileTransfer.getInstance(), TextTransfer.getInstance() });
    }
}