Java Swing组件综合练习

package MainEntrancy; import java.awt.Color; import java.awt.Dimension; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.util.Enumeration; import java.util.Vector; import javax.swing.ButtonGroup; import javax.swing.DefaultListModel; import javax.swing.JButton; import javax.swing.JCheckBox; import javax.swing.JComboBox; import javax.swing.JEditorPane; import javax.swing.JLabel; import javax.swing.JList; import javax.swing.JPanel; import javax.swing.JPasswordField; import javax.swing.JProgressBar; import javax.swing.JRadioButton; import javax.swing.JTree; import javax.swing.Timer; import javax.swing.table.DefaultTableModel; import javax.swing.tree.DefaultMutableTreeNode; import javax.swing.tree.DefaultTreeModel; import javax.swing.tree.TreeModel; import javax.swing.tree.TreeNode; import javax.swing.tree.TreePath; public class Tab1Panel extends JPanel { private static final long serialVersionUID = 1L; int iTime = 5; Timer timer = null; AppFrame appFrame = null; public Tab1Panel(final AppFrame appFrame) { this.appFrame = appFrame; this.setSize(450,200); this.setPreferredSize(this.getSize()); this.setLayout(new GridLayout(0, 3)); JButton butTest = new JButton("开始"); butTest.setPreferredSize(new Dimension(50,30)); this.add(butTest); JCheckBox checkBox = new JCheckBox(); checkBox.setText("刷新背景色"); this.add(checkBox); final JComboBox<String> comboBox = new JComboBox<String>(); comboBox.addItem("com1"); comboBox.addItem("com2"); comboBox.addItem("com3"); comboBox.addItem("com4"); comboBox.addItem("com5"); comboBox.addItem("com6"); this.add(comboBox); comboBox.setSelectedIndex(2); // 默认选中项 final JEditorPane editorPane = new JEditorPane(); this.add(editorPane); JButton butAdd = new JButton("添加"); this.add(butAdd); final JLabel label = new JLabel("姓名", JLabel.CENTER); this.add(label); butAdd.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub String str = editorPane.getText(); label.setText(str); comboBox.addItem(str); comboBox.setSelectedIndex(comboBox.getItemCount()-1); } }); JList<String> list = new JList<String>(); list.setBackground(Color.GRAY); DefaultListModel<String> listModel = new DefaultListModel<String>(); list.setModel(listModel); listModel.addElement("list1"); listModel.addElement("list2"); listModel.addElement("list3"); listModel.addElement("list4"); listModel.addElement("list5"); listModel.addElement("list6"); /*list.setLayoutOrientation(JList.HORIZONTAL_WRAP);*/ list.setLayoutOrientation(JList.VERTICAL_WRAP); list.setVisibleRowCount(3); // 改变值,观察结果变化 this.add(list); JPasswordField passwordField = new JPasswordField(); passwordField.setEchoChar('*'); passwordField.setForeground(Color.RED); passwordField.setBackground(Color.DARK_GRAY); this.add(passwordField); final JProgressBar progressBar = new JProgressBar(JProgressBar.HORIZONTAL, 0, 100); progressBar.setValue(10); progressBar.setStringPainted(true); this.add(progressBar); timer = new Timer(100,new ActionListener() { int value = progressBar.getValue(); @Override public void actionPerformed(ActionEvent e) { if(value < 100){ progressBar.setValue(++value); } else { timer.stop(); } } }); butTest.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub timer.start(); } }); ButtonGroup group = new ButtonGroup(); JRadioButton radioButton1 = new JRadioButton("Green"); this.add(radioButton1); group.add(radioButton1); JRadioButton radioButton2 = new JRadioButton("Red"); this.add(radioButton2); group.add(radioButton2); JRadioButton radioButton3 = new JRadioButton("Gray"); this.add(radioButton3); group.add(radioButton3); radioButton1.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub appFrame.getContentPane().setBackground(Color.GREEN); } }); radioButton2.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub appFrame.getContentPane().setBackground(Color.RED); } }); radioButton3.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub appFrame.getContentPane().setBackground(Color.GRAY); } }); JButton butAddNode = new JButton("增加节点"); this.add(butAddNode); JButton butIterNode = new JButton("遍历节点"); this.add(butIterNode); JButton butDelNode = new JButton("删除节点"); this.add(butDelNode); // 为树添加节点 butAddNode.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { JTree tree = appFrame.leftPanel.tab2Panel.tree; DefaultMutableTreeNode root = (DefaultMutableTreeNode) tree.getModel().getRoot(); Enumeration<?>enumeration = root.preorderEnumeration(); while (enumeration.hasMoreElements()) { DefaultMutableTreeNode node = (DefaultMutableTreeNode) enumeration.nextElement(); // 获取节点的字符串名称 String str = node.toString(); if(str.equals("河南")){ DefaultMutableTreeNode dmAnyang = new DefaultMutableTreeNode("安阳"); node.add(dmAnyang); tree.updateUI(); // 由于最后的节点为叶节点,所以函数expandPath无效 TreePath path = new TreePath(dmAnyang.getPath()); System.out.println(path.toString()); TreePath parTh = new TreePath(node.getPath()); tree.expandPath(parTh); break; } } } }); // 为树遍历节点 butIterNode.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { // 获取的是树中可以看见的节点数目,也就是行数,隐藏的没有计算在内 int iRowCount = appFrame.leftPanel.tab2Panel.tree.getRowCount(); // 只能展开二级节点的行数,三级节点无法展开 for(int i = 0;i < iRowCount;i++){ appFrame.leftPanel.tab2Panel.tree.expandRow(i); } // 首先获取树的根节点,然后获取根节点的子节点数目 TreeModel model = appFrame.leftPanel.tab2Panel.tree.getModel(); int iChildCount = model.getChildCount(model.getRoot()); System.out.println(String.valueOf("根节点上的子节点个数是: " + iChildCount)); label.setText(String.valueOf(iRowCount)); // 需要使用递归函数遍历子节点 ExpandChildNode(appFrame.leftPanel.tab2Panel.tree, new TreePath((TreeNode)model.getRoot()),true); } }); // 为树删除指定节点 butDelNode.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { JTree tree = appFrame.leftPanel.tab2Panel.tree; DefaultMutableTreeNode root = (DefaultMutableTreeNode) tree.getModel().getRoot(); Enumeration<?>enumeration = root.preorderEnumeration(); while (enumeration.hasMoreElements()) { DefaultMutableTreeNode node = (DefaultMutableTreeNode) enumeration.nextElement(); // 获取节点的字符串名称 String str = node.toString(); DefaultTreeModel model = (DefaultTreeModel)tree.getModel(); if(str.equals("安阳")){ if(node.isRoot()) model.setRoot(null); else model.removeNodeFromParent(node); break; } } } }); JButton butAddRow = new JButton("