check brackets-2
file1
package com.mingrisoft.jtextpane; import java.awt.Color; import java.awt.Font; import java.util.ArrayList; import java.util.Stack; import javax.swing.JOptionPane; import javax.swing.JTextPane; import javax.swing.text.AttributeSet; import javax.swing.text.BadLocationException; import javax.swing.text.MutableAttributeSet; import javax.swing.text.SimpleAttributeSet; import javax.swing.text.StyleConstants; import javax.swing.text.StyleContext; import javax.swing.text.StyledDocument; import javax.swing.text.StyledEditorKit; public class ParenthesisMatcher extends JTextPane { private static Color getColor(int i) { Color[] a = { Color.ORANGE, Color.BLUE, Color.GREEN, Color.GRAY, Color.cyan, Color.MAGENTA, Color.PINK }; return a[i]; } private static final long serialVersionUID = -5040590165582343011L; private AttributeSet mismatch; private AttributeSet match; private int j; private StyledDocument document; private StyleContext context = StyleContext.getDefaultStyleContext(); Stack<Integer> stackInt = new Stack<Integer>(); public ParenthesisMatcher() { document = getStyledDocument(); mismatch = context.addAttribute(SimpleAttributeSet.EMPTY, StyleConstants.Foreground, Color.RED); Font fontM = new Font("隶书", Font.BOLD, 25); mismatch = context.addAttribute(mismatch, StyleConstants.Family, fontM.getFamily()); mismatch = context.addAttribute(mismatch, StyleConstants.FontSize, 25); } public void validate(boolean flag,int k) { if (flag) { j = 0; String text = null; try { text = document.getText(0, document.getLength()); } catch (BadLocationException e) { e.printStackTrace(); } Stack<String> stack = new Stack<String>(); for (int i = 0; i < text.length(); i++) { char c = text.charAt(i); if (c == '[' && k==1) { stack.push("" + c + i); match = context.addAttribute(SimpleAttributeSet.EMPTY, StyleConstants.Foreground, getColor(j)); Font font = new Font("隶书", Font.BOLD, 18); match = context.addAttribute(match, StyleConstants.Family, font.getFamily()); match = context.addAttribute(match, StyleConstants.FontSize, 18); document.setCharacterAttributes(i, 1, match, false); stackInt.push(j); // System.out.println("push j: "+j); j++; if (j == 6) { j = 0; } } if (c == '(' && k==2) { stack.push("" + c + i); match = context.addAttribute(SimpleAttributeSet.EMPTY, StyleConstants.Foreground, getColor(j)); Font font = new Font("隶书", Font.BOLD, 18); match = context.addAttribute(match, StyleConstants.Family, font.getFamily()); match = context.addAttribute(match, StyleConstants.FontSize,18); document.setCharacterAttributes(i, 1, match, false); stackInt.push(j); // System.out.println("push j: "+j); j++; if (j == 6) { j = 0; } } if (c == ']'&&k==1) { String peek = stack.empty() ? "." : (String) stack.peek(); if (match(peek.charAt(0), c,k)) { stack.pop(); j = ((Integer) stackInt.pop()).intValue(); // System.out.println("pop j: "+j); match = context.addAttribute(SimpleAttributeSet.EMPTY, StyleConstants.Foreground, getColor(j)); Font font = new Font("隶书", Font.BOLD, 18); match = context.addAttribute(match, StyleConstants.Family, font.getFamily()); match = context.addAttribute(match, StyleConstants.FontSize, 18); document.setCharacterAttributes(i, 1, match, false); } else { document.setCharacterAttributes(i, 1, mismatch, false); } } if (c == ')'&&k==2) { String peek = stack.empty() ? "." : (String) stack.peek(); if (match(peek.charAt(0), c,k)) { stack.pop(); j = ((Integer) stackInt.pop()).intValue(); // System.out.println("pop j: "+j); match = context.addAttribute(SimpleAttributeSet.EMPTY, StyleConstants.Foreground, getColor(j)); Font font = new Font("隶书", Font.BOLD, 18); match = context.addAttribute(match, StyleConstants.Family, font.getFamily()); match = context.addAttribute(match, StyleConstants.FontSize, 18); document.setCharacterAttributes(i, 1, match, false); } else { document.setCharacterAttributes(i, 1, mismatch, false); } } } while (!stack.empty()) { String pop = (String) stack.pop(); int offset = Integer.parseInt(pop.substring(1)); document.setCharacterAttributes(offset, 1, mismatch, false); } } } @Override public void replaceSelection(String content) { getInputAttributes().removeAttribute(StyleConstants.Foreground); super.replaceSelection(content); } private boolean match(char left, char right,int k) { if ((left == '(') && (right == ')')&&k==2) { return true; } if ((left == '[') && (right == ']')&&k==1) { return true; } /* if ((left == '{') && (right == '}')) { return true; } */ return false; } }
file2
package com.mingrisoft.jtextpane; import java.awt.BorderLayout; import java.awt.EventQueue; import java.awt.Font; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.border.EmptyBorder; import javax.swing.UIManager; public class MatcherTest extends JFrame { /** * */ private static final long serialVersionUID = 2190653167733357032L; private JPanel contentPane; private ParenthesisMatcher textPane; /** * Launch the application. */ public static void main(String[] args) { try { UIManager.setLookAndFeel("com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel"); } catch (Throwable e) { e.printStackTrace(); } EventQueue.invokeLater(new Runnable() { public void run() { try { MatcherTest frame = new MatcherTest(); frame.setVisible(true); } catch (Exception e) { e.printStackTrace(); } } }); } /** * Create the frame. */ public MatcherTest() { setTitle("\u6D4B\u8BD5\u62EC\u53F7\u7684\u5339\u914D\u72B6\u6001"); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setBounds(200, 200, 900, 500); contentPane = new JPanel(); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); contentPane.setLayout(new BorderLayout(0, 0)); setContentPane(contentPane); JPanel panel = new JPanel(); contentPane.add(panel, BorderLayout.SOUTH); JButton button = new JButton("Check"); JButton btnCheck = new JButton("Check ("); button.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { //JOptionPane.showMessageDialog( null , "要显示的信息内容" ,"标题" , JOptionPane.ERROR_MESSAGE) ; do_button_actionPerformed(e); } }); btnCheck.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { //JOptionPane.showMessageDialog( null , "要显示的信息内容" ,"标题" , JOptionPane.ERROR_MESSAGE) ; do_btnCheck_actionPerformed(e); } }); button.setFont(new Font("微软雅黑", Font.PLAIN, 16)); btnCheck.setFont(new Font("微软雅黑", Font.PLAIN, 16)); panel.add(button); panel.add(btnCheck); JScrollPane scrollPane = new JScrollPane(); contentPane.add(scrollPane, BorderLayout.CENTER); textPane = new ParenthesisMatcher(); textPane.setFont(new Font("微软雅黑", Font.PLAIN, 16)); scrollPane.setViewportView(textPane); } protected void do_button_actionPerformed(ActionEvent e) { textPane.validate(true,1); } protected void do_btnCheck_actionPerformed(ActionEvent e) { textPane.validate(true,2); } }
