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
.getRoot().getFile(resourcePath).exists())) {
            problemType = PROBLEM_RESOURCE_EXIST;
            problemMessage = IDEWorkbenchMessages.ResourceGroup_nameExists;
            return false;
        }
        return true;
    }
    /**
     * Returns a <code>boolean</code> indicating whether the resource name rep-
     * resents a valid resource name in the workbench.  An error message is stored
     * for future reference if the name does not represent a valid resource name.
     *
     * @return <code>boolean</code> indicating validity of the resource name
     */
    protected boolean validateResourceName() {
        String resourceName = resourceNameField.getText();
        if (resourceName.equals("")) {
            problemType = PROBLEM_RESOURCE_EMPTY;
            problemMessage = NLS.bind(IDEWorkbenchMessages.ResourceGroup_emptyName, resourceType);
            return false;
        }
        if (!(new Path("")).isValidPath(resourceName)) { 
            problemType = PROBLEM_NAME_INVALID;
            problemMessage = NLS.bind(IDEWorkbenchMessages.ResourceGroup_invalidFilename, resourceName);
            return false;
        }
        return true;
    }
}