labelbinding.java
来自「java实现浏览器等本地桌面的功能」· Java 代码 · 共 107 行
JAVA
107 行
/* * $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)); } }}⌨️ 快捷键说明
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