Bug 190360 [pde viz] Nodes appear on top of one another
When the pde view is opened the nodes appear on top of one another.
bundles/org.eclipse.ui.navigator.resources/src/org/eclipse/ui/internal/navigator/resources/actions/CopyAction.java
* on <code>IAction</code> copies the selected resources to the 
     * clipboard.
     */
    public void run() {
        List selectedResources = getSelectedResources();
        IResource[] resources = (IResource[]) selectedResources
                .toArray(new IResource[selectedResources.size()]);
        
        final int length = resources.length;
        int actualLength = 0;
        String[] fileNames = new String[length];
        StringBuffer buf = new StringBuffer();
        for (int i = 0; i < length; i++) {
            IPath location = resources[i].getLocation();
            
            if (location != null) {
				fileNames[actualLength++] = location.toOSString();
			}
            if (i > 0) {
				buf.append("\n"); 
			}
            buf.append(resources[i].getName());
        }
        
        if (actualLength < length) {
            String[] tempFileNames = fileNames;
            fileNames = new String[actualLength];
            for (int i = 0; i < actualLength; i++) {
				fileNames[i] = tempFileNames[i];
			}