Bug 17826 [Wizards] New folder wizard is very large if you are creating the folder in a container with a very long path
F1 1) Create a folder with a very long name 2) Select the folder and open the new folder wizard, it is very wide. Similar with new file The Java creation wizards do not have this problem.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/misc/ContainerSelectionGroup.java
boolean allowNewContainerName, String message,
            boolean showClosedProjects) {
        this(parent, listener, allowNewContainerName, message,
                showClosedProjects, SIZING_SELECTION_PANE_HEIGHT);
    }
    /**
     * Creates a new instance of the widget.
     *
     * @param parent The parent widget of the group.
     * @param listener A listener to forward events to.  Can be null if
     *	 no listener is required.
     * @param allowNewContainerName Enable the user to type in a new container
     *  name instead of just selecting from the existing ones.
     * @param message The text to present to the user.
     * @param showClosedProjects Whether or not to show closed projects.
     * @param heightHint height hint for the drill down composite
     */
    public ContainerSelectionGroup(Composite parent, Listener listener,
            boolean allowNewContainerName, String message,
            boolean showClosedProjects, int heightHint) {
        super(parent, SWT.NONE);
        this.listener = listener;
        this.allowNewContainerName = allowNewContainerName;
        this.showClosedProjects = showClosedProjects;
        if (message != null)
            createContents(message, heightHint);
        else if (allowNewContainerName)
            createContents(DEFAULT_MSG_NEW_ALLOWED, heightHint);
        else
            createContents(DEFAULT_MSG_SELECT_ONLY, heightHint);