Bug 73027 [Dialogs] Buttons are too high
I20040831 Buttons are no longer oval but have a rounded rectangle shape (see first screenshot). The second screenshot shows how buttons using the small system font should look like.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/CreateLinkedResourceGroup.java
*/
    public void setLinkTarget(String target) {
        linkTarget = target;
        if (linkTargetField != null && linkTargetField.isDisposed() == false)
            linkTargetField.setText(target);
    }
    /**
     * Validates the type of the given file against the link type specified
     * in the constructor.
     * 
     * @param linkTargetFile file to validate
     * @return IStatus indicating the validation result. IStatus.OK if the 
     * 	given file is valid.
     */
    private IStatus validateFileType(File linkTargetFile) {
        if (type == IResource.FILE && linkTargetFile.isFile() == false) {
            return createStatus(IStatus.ERROR, IDEWorkbenchMessages
                    .getString("CreateLinkedResourceGroup.linkTargetNotFile")); 
        } else if (type == IResource.FOLDER
                && linkTargetFile.isDirectory() == false) {
            return createStatus(IStatus.ERROR, IDEWorkbenchMessages
                    .getString("CreateLinkedResourceGroup.linkTargetNotFolder")); 
        }
        return createStatus(IStatus.OK, ""); 
    }
    /**
     * Validates this page's controls.
     *
     * @return IStatus indicating the validation result. IStatus.OK if the 
     * 	specified link target is valid given the linkHandle.