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1
19
20 package examples.texteditor;
21
22 import java.awt.FileDialog  ;
23 import java.io.*;
24
25 public class Ted extends javax.swing.JFrame {
26
27
28 public Ted() {
29 initComponents ();
30 setSize(500,300);
31 }
32
33
38 private void initComponents() { jScrollPane1 = new javax.swing.JScrollPane ();
40 textBox = new javax.swing.JTextArea ();
41 jMenuBar1 = new javax.swing.JMenuBar ();
42 jMenu1 = new javax.swing.JMenu ();
43 jMenuItem1 = new javax.swing.JMenuItem ();
44 jMenuItem4 = new javax.swing.JMenuItem ();
45 jMenuItem5 = new javax.swing.JMenuItem ();
46 jMenuItem6 = new javax.swing.JMenuItem ();
47 jMenuItem7 = new javax.swing.JMenuItem ();
48 jMenu2 = new javax.swing.JMenu ();
49 jMenuItem2 = new javax.swing.JMenuItem ();
50 jMenu3 = new javax.swing.JMenu ();
51 jMenuItem3 = new javax.swing.JMenuItem ();
52
53 setTitle("Ted");
54 addWindowListener(new java.awt.event.WindowAdapter () {
55 public void windowClosing(java.awt.event.WindowEvent evt) {
56 exitForm(evt);
57 }
58 });
59
60 jScrollPane1.setViewportView(textBox);
61
62 getContentPane().add(jScrollPane1, java.awt.BorderLayout.CENTER);
63
64 jMenu1.setText("File");
65 jMenuItem1.setText("New");
66 jMenuItem1.addActionListener(new java.awt.event.ActionListener () {
67 public void actionPerformed(java.awt.event.ActionEvent evt) {
68 jMenuItem1ActionPerformed(evt);
69 }
70 });
71
72 jMenu1.add(jMenuItem1);
73 jMenuItem4.setText("Open ...");
74 jMenuItem4.addActionListener(new java.awt.event.ActionListener () {
75 public void actionPerformed(java.awt.event.ActionEvent evt) {
76 jMenuItem4ActionPerformed(evt);
77 }
78 });
79
80 jMenu1.add(jMenuItem4);
81 jMenuItem5.setText("Save");
82 jMenuItem5.addActionListener(new java.awt.event.ActionListener () {
83 public void actionPerformed(java.awt.event.ActionEvent evt) {
84 jMenuItem5ActionPerformed(evt);
85 }
86 });
87
88 jMenu1.add(jMenuItem5);
89 jMenuItem6.setText("Save As ...");
90 jMenuItem6.addActionListener(new java.awt.event.ActionListener () {
91 public void actionPerformed(java.awt.event.ActionEvent evt) {
92 jMenuItem6ActionPerformed(evt);
93 }
94 });
95
96 jMenu1.add(jMenuItem6);
97 jMenuItem7.setText("Exit");
98 jMenuItem7.addActionListener(new java.awt.event.ActionListener () {
99 public void actionPerformed(java.awt.event.ActionEvent evt) {
100 jMenuItem7ActionPerformed(evt);
101 }
102 });
103
104 jMenu1.add(jMenuItem7);
105 jMenuBar1.add(jMenu1);
106 jMenu2.setText("Edit");
107 jMenuItem2.setText("Find ...");
108 jMenuItem2.addActionListener(new java.awt.event.ActionListener () {
109 public void actionPerformed(java.awt.event.ActionEvent evt) {
110 jMenuItem2ActionPerformed(evt);
111 }
112 });
113
114 jMenu2.add(jMenuItem2);
115 jMenuBar1.add(jMenu2);
116 jMenu3.setText("Help");
117 jMenuItem3.setText("About ...");
118 jMenuItem3.addActionListener(new java.awt.event.ActionListener () {
119 public void actionPerformed(java.awt.event.ActionEvent evt) {
120 jMenuItem3ActionPerformed(evt);
121 }
122 });
123
124 jMenu3.add(jMenuItem3);
125 jMenuBar1.add(jMenu3);
126 setJMenuBar(jMenuBar1);
127
128 }
130 private void jMenuItem5ActionPerformed (java.awt.event.ActionEvent evt) { if ("".equals(fileName))
133 doSaveAs();
134 else
135 doSave(fileName);
136 }
138 private void jMenuItem7ActionPerformed (java.awt.event.ActionEvent evt) { System.exit(0);
141 }
143 private void jMenuItem2ActionPerformed (java.awt.event.ActionEvent evt) { new Finder (this, textBox).show();
146 }
148 private void jMenuItem3ActionPerformed (java.awt.event.ActionEvent evt) { new About(this). show();
151 }
153 private void jMenuItem6ActionPerformed (java.awt.event.ActionEvent evt) { doSaveAs();
156 }
158 private void jMenuItem4ActionPerformed (java.awt.event.ActionEvent evt) { FileDialog fileDialog = new FileDialog (this, "Open...", FileDialog.LOAD);
161 fileDialog.show ();
162 if (fileDialog.getFile () == null)
163 return;
164 fileName = fileDialog.getDirectory () + File.separator + fileDialog.getFile ();
165
166 FileInputStream fis = null;
167 String str = null;
168 try {
169 fis = new FileInputStream (fileName);
170 int size = fis.available ();
171 byte[] bytes = new byte [size];
172 fis.read (bytes);
173 str = new String (bytes);
174 } catch (IOException e) {
175 } finally {
176 try {
177 fis.close ();
178 } catch (IOException e2) {
179 }
180 }
181
182 if (str != null)
183 textBox.setText (str);
184 }
186 private void jMenuItem1ActionPerformed (java.awt.event.ActionEvent evt) { fileName = "";
189 textBox.setText ("");
190 }
192
193 private void exitForm(java.awt.event.WindowEvent evt) { System.exit (0);
195 }
197 private void doSave (String fileName) {
198 FileOutputStream fos = null;
199 String str = textBox.getText ();
200 try {
201 fos = new FileOutputStream (fileName);
202 fos.write (str.getBytes ());
203 } catch (IOException e) {
204 } finally {
205 try {
206 fos.close ();
207 } catch (IOException e2) {
208 }
209 }
210 }
211
212 private void doSaveAs () {
213 FileDialog fileDialog = new FileDialog (this, "Save As...", FileDialog.SAVE);
214 fileDialog.show ();
215 if (fileDialog.getFile () == null)
216 return;
217 fileName = fileDialog.getDirectory () + File.separator + fileDialog.getFile ();
218
219 doSave (fileName);
220 }
221
222 private javax.swing.JMenuItem jMenuItem7;
224 private javax.swing.JMenuItem jMenuItem6;
225 private javax.swing.JMenuItem jMenuItem5;
226 private javax.swing.JMenuItem jMenuItem4;
227 private javax.swing.JMenuItem jMenuItem3;
228 private javax.swing.JMenuItem jMenuItem2;
229 private javax.swing.JMenuItem jMenuItem1;
230 private javax.swing.JScrollPane jScrollPane1;
231 private javax.swing.JTextArea textBox;
232 private javax.swing.JMenu jMenu3;
233 private javax.swing.JMenu jMenu2;
234 private javax.swing.JMenuBar jMenuBar1;
235 private javax.swing.JMenu jMenu1;
236
238
239 public static void main(java.lang.String [] args) {
240 new Ted ().show ();
241 }
242
243 private String fileName = "";
244 }
245 |
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