001/* 002 * This library is part of OpenCms - 003 * the Open Source Content Management System 004 * 005 * Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com) 006 * 007 * This library is free software; you can redistribute it and/or 008 * modify it under the terms of the GNU Lesser General Public 009 * License as published by the Free Software Foundation; either 010 * version 2.1 of the License, or (at your option) any later version. 011 * 012 * This library is distributed in the hope that it will be useful, 013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 015 * Lesser General Public License for more details. 016 * 017 * For further information about Alkacon Software, please see the 018 * company website: http://www.alkacon.com 019 * 020 * For further information about OpenCms, please see the 021 * project website: http://www.opencms.org 022 * 023 * You should have received a copy of the GNU Lesser General Public 024 * License along with this library; if not, write to the Free Software 025 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 026 */ 027 028package org.opencms.gwt.client.ui.input.upload; 029 030/** 031 * The upload button interface.<p> 032 */ 033public interface I_CmsUploadButton { 034 035 /** 036 * Creates and adds a file input.<p> 037 * 038 * @return returns the previous file input widget 039 */ 040 CmsFileInput createFileInput(); 041 042 /** 043 * Gets the upload button handler instance for this button.<p> 044 * 045 * @return the upload button handler 046 */ 047 I_CmsUploadButtonHandler getButtonHandler(); 048 049 /** 050 * Reinitializes the button with a new button handler.<p> 051 * 052 * @param buttonHandler the button handler 053 */ 054 void reinitButton(I_CmsUploadButtonHandler buttonHandler); 055 056 /** 057 * Enables / disables the button. 058 * 059 * @param enabled true if the button should be enabled 060 * @param disabledMessage the message to display for disabled buttons 061 */ 062 void setEnabled(boolean enabled, String disabledMessage); 063}