?? fileeditor.java
字號:
/* * Oscar - An implementation of the OSGi framework. * Copyright (c) 2004, Richard S. Hall * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * Neither the name of the ungoverned.org nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Contact: Richard S. Hall (heavy@ungoverned.org) * Contributor(s): ***/package org.ungoverned.oscar.installer.editor;import java.awt.GridBagConstraints;import java.awt.GridBagLayout;import java.awt.Insets;import java.awt.event.*;import java.io.File;import javax.swing.*;import org.ungoverned.oscar.installer.Property;import org.ungoverned.oscar.installer.StringProperty;public class FileEditor extends JPanel{ private StringProperty m_prop = null; private JTextField m_textField = null; private JButton m_browseButton = null; private boolean m_isDirectory = false; public FileEditor(StringProperty prop, boolean isDirectory) { super(); m_prop = prop; m_isDirectory = isDirectory; init(); } public Property getProperty() { return m_prop; } public void setEnabled(boolean b) { m_textField.setEnabled(b); m_browseButton.setEnabled(b); } protected void init() { // Set layout. GridBagLayout grid = new GridBagLayout(); GridBagConstraints gbc = new GridBagConstraints(); gbc.insets = new Insets(0, 2, 0, 2); setLayout(grid); // Add field. gbc.gridx = 0; gbc.gridy = 0; gbc.gridheight = 1; gbc.gridwidth = 2; gbc.anchor = GridBagConstraints.WEST; m_textField = new JTextField(30); m_textField.setText(m_prop.getStringValue()); grid.setConstraints(m_textField, gbc); add(m_textField); // Add button. gbc.gridx = 2; gbc.gridy = 0; gbc.gridheight = 1; gbc.gridwidth = 1; gbc.anchor = GridBagConstraints.EAST; m_browseButton = new JButton("Browse..."); m_browseButton.setMargin(new Insets(1, 1, 1, 1)); grid.setConstraints(m_browseButton, gbc); add(m_browseButton); // Add focus listener. m_textField.addFocusListener(new FocusListener() { public void focusGained(FocusEvent event) { } public void focusLost(FocusEvent event) { if (!event.isTemporary()) { // Set the new value. m_prop.setStringValue(normalizeValue(m_textField.getText())); } } }); // Add action listener. m_browseButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { JFileChooser fileDlg = new JFileChooser(); if (m_isDirectory) { fileDlg.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY); fileDlg.setDialogTitle("Please select a directory..."); } else { fileDlg.setFileSelectionMode(JFileChooser.FILES_ONLY); fileDlg.setDialogTitle("Please select a file..."); } fileDlg.setApproveButtonText("Select"); if (fileDlg.showOpenDialog(FileEditor.this) == JFileChooser.APPROVE_OPTION) { m_textField.setText(fileDlg.getSelectedFile().getAbsolutePath()); m_prop.setStringValue(normalizeValue(m_textField.getText())); } } }); } private String normalizeValue(String value) { // Make sure that directories never end with a slash, // for consistency. if (m_isDirectory) { if (value.endsWith(File.separator)) { value = value.substring(0, value.length() - 1); } } return value; }}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -