LabelBinding.java
资源名称:swingx.zip [点击查看]
上传用户:zhengdagz
上传日期:2014-03-06
资源大小:1956k
文件大小:3k
源码类别:
xml/soap/webservice
开发平台:
Java
- /*
- * $Id: LabelBinding.java,v 1.2 2005/10/10 17:00:51 rbair Exp $
- *
- * Copyright 2004 Sun Microsystems, Inc., 4150 Network Circle,
- * Santa Clara, California 95054, U.S.A. All rights reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
- package org.jdesktop.binding.swingx;
- import java.awt.Image;
- import javax.swing.Icon;
- import javax.swing.ImageIcon;
- import javax.swing.JComponent;
- import javax.swing.JLabel;
- import org.jdesktop.binding.DataModel;
- import org.jdesktop.swingx.LinkModel;
- /**
- * Class which binds an uneditable component (JLabel) to a data model field
- * of arbitrary type. If the field is type Image, then the image will be
- * displayed as an icon in the component. For all other types, the data model
- * value will be converted and displayed as a String.
- * @author Amy Fowler
- * @version 1.0
- */
- public class LabelBinding extends AbstractBinding {
- private JLabel label;
- public LabelBinding(JLabel label,
- DataModel model, String fieldName) {
- super(label, model, fieldName, AbstractBinding.AUTO_VALIDATE_NONE);
- }
- public boolean isModified() {
- return false;
- }
- public boolean isValid() {
- return true;
- }
- public boolean push() {
- // do nothing, value was not edited
- return true;
- }
- public JComponent getComponent() {
- return label;
- }
- protected void setComponent(JComponent component) {
- label = (JLabel)component;
- }
- protected Object getComponentValue() {
- Class clz = metaData.getElementClass();
- if (clz == Image.class) {
- Icon icon = label.getIcon();
- if (icon instanceof ImageIcon) {
- Image image = ( (ImageIcon) icon).getImage();
- return image;
- }
- }
- if (clz == LinkModel.class) {
- return (LinkModel)label.getClientProperty("jdnc.link.value");
- }
- return label.getText();
- }
- protected void setComponentValue(Object value) {
- Class clz = metaData.getElementClass();
- if (clz == Image.class) {
- if (value != null) {
- ImageIcon icon = new ImageIcon( (Image) value);
- label.setIcon(icon);
- }
- }
- if (clz == LinkModel.class) {
- if (value != null) {
- label.setText("<html>" + convertFromModelType(value) + "</html>");
- label.putClientProperty("jdnc.link.value", (LinkModel)value);
- }
- }
- else {
- label.setText(convertFromModelType(value));
- }
- }
- }