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/ResourceAndContainerGroup.java
* @return boolean
     */
    public boolean areAllValuesValid() {
        return problemType == PROBLEM_NONE;
    }
    /**
     * Creates this object's visual components.
     *
     * @param parent org.eclipse.swt.widgets.Composite
     * @param heightHint height hint for the container selection widget group
     */
    protected void createContents(Composite parent, String resourceLabelString,
            int heightHint) {
        Font font = parent.getFont();
        
        Composite composite = new Composite(parent, SWT.NONE);
        GridLayout layout = new GridLayout();
        layout.marginWidth = 0;
        layout.marginHeight = 0;
        composite.setLayout(layout);
        composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
        composite.setFont(font);
        
        if (heightHint == SWT.DEFAULT)
            containerGroup = new ContainerSelectionGroup(composite, this, true,
                    null, showClosedProjects);
        else
            containerGroup = new ContainerSelectionGroup(composite, this, true,
                    null, showClosedProjects, heightHint);