1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 import java.awt.*; 23 import java.awt.event.*; 24 import javax.swing.*; 25 import javax.swing.border.*; 26 import java.util.Vector; 27 import com.sun.star.script.framework.runtime.XScriptContext; 28 29 30 public class PostNewsgroup extends JFrame 31 { 32 33 // Post to newsgroup objects 34 private NewsGroup[] subscribedNewsgroups = null; 35 private XScriptContext xscriptcontext = null; 36 37 private final int FRAMEX = 300; 38 private final int FRAMEY = 300; 39 private final int TEXTBOXWIDTH = 300; 40 private final int TEXTBOXHEIGHT = 24; 41 private final int TEXTAREAHEIGHT = 70; 42 private final int BUTTONWIDTH = 80; 43 private final int BUTTONHEIGHT = 30; 44 45 private PostNewsgroup window = null; 46 private JComboBox newsgroupComboBox = null; 47 private JTextField hostTextField = null; 48 private JTextField replyTextField = null; 49 private JTextField subjectTextField = null; 50 private JTextArea commentTextArea = null; 51 private JRadioButton officeHtmlButton = null; 52 private JRadioButton officeButton = null; 53 private JRadioButton htmlButton = null; 54 private JButton postButton = null; 55 private JButton cancelButton = null; 56 57 // JFrame for launch progress dialog 58 private StatusWindow statusWindow = null; 59 private String statusLine = ""; 60 61 // Tool tip text 62 private final String newsgroupText = "Newsgroup name"; 63 private final String hostText = "Newsgroup host/server name"; 64 private final String replyText = "Email address to reply to"; 65 private final String subjectText = "Subject title for the mail"; 66 private final String commentText = "Additional comment on mail"; 67 private final String officeHtmlText = "Post as both Office and HTML attachments"; 68 private final String officeText = "Post as Office attachment only"; 69 private final String htmlText = "Post as HTML attachment only"; 70 private final String postText = "Post to newsgroup"; 71 private final String cancelText = "Cancel post to newsgroup"; 72 73 post( XScriptContext xsc )74 public void post( XScriptContext xsc ) 75 { 76 xscriptcontext = xsc; 77 window = this; 78 79 // create mailcap and mimetypes files (fix for classloader problem) 80 MimeConfiguration.createFiles( xscriptcontext ); 81 82 this.setTitle( "Post Document To Newsgroup" ); 83 this.setLocation( FRAMEX, FRAMEY ); 84 85 this.addFocusListener( new FocusAdapter() 86 { 87 public void focusGained( FocusEvent event ) 88 { 89 System.out.println( "Focus gained" ); 90 window.update( window.getGraphics() ); 91 } 92 93 public void focusLost( FocusEvent event ) 94 { 95 System.out.println( "Focus lost" ); 96 } 97 }); 98 99 Container container = getContentPane(); 100 container.setLayout( new GridBagLayout() );; 101 GridBagConstraints constraints = new GridBagConstraints(); 102 constraints.fill = GridBagConstraints.BOTH; 103 104 JPanel labelPanel = constructLabelPanel(); 105 JPanel textPanel = constructTextPanel(); 106 JPanel optionPanel = constructOptionPanel(); 107 JPanel buttonPanel = constructButtonPanel(); 108 109 constraints.gridx = 0; 110 constraints.gridy = 0; 111 constraints.gridwidth = 1; 112 constraints.gridheight = 3; 113 constraints.insets = new Insets( 15, 15, 5, 5 ); 114 container.add( labelPanel, constraints ); 115 116 constraints.gridx = 1; 117 constraints.gridy = 0; 118 constraints.gridwidth = 4; 119 constraints.gridheight = 3; 120 constraints.insets = new Insets( 15, 5, 5, 15 ); 121 container.add( textPanel, constraints ); 122 123 constraints.gridx = 0; 124 constraints.gridy = 3; 125 constraints.gridwidth = 5; 126 constraints.gridheight = 1; 127 constraints.insets = new Insets( 5, 15, 5, 15 ); 128 container.add( optionPanel, constraints ); 129 130 constraints.gridx = 0; 131 constraints.gridy = 4; 132 constraints.gridwidth = 5; 133 constraints.gridheight = 1; 134 constraints.insets = new Insets( 5, 5, 5, 5 ); 135 container.add( buttonPanel, constraints ); 136 137 this.pack(); 138 this.setResizable( false ); 139 this.setVisible( true ); 140 } 141 142 constructLabelPanel()143 private JPanel constructLabelPanel() 144 { 145 JLabel newsgroupLabel = new JLabel( "Newsgroup:" ); 146 JLabel hostLabel = new JLabel( "Host:" ); 147 JLabel replyLabel = new JLabel( "Reply:" ); 148 JLabel subjectLabel = new JLabel( "Subject:" ); 149 JLabel commentLabel = new JLabel( "Comment:" ); 150 151 newsgroupLabel.setToolTipText( newsgroupText ); 152 hostLabel.setToolTipText( hostText ); 153 replyLabel.setToolTipText( replyText ); 154 subjectLabel.setToolTipText( subjectText ); 155 commentLabel.setToolTipText( commentText ); 156 157 JPanel newsgroupPanel = new JPanel(); 158 newsgroupPanel.setLayout( new BorderLayout() ); 159 newsgroupPanel.add( newsgroupLabel, "West" ); 160 JPanel hostPanel = new JPanel(); 161 hostPanel.setLayout( new BorderLayout() ); 162 hostPanel.add( hostLabel, "West" ); 163 JPanel replyPanel = new JPanel(); 164 replyPanel.setLayout( new BorderLayout() ); 165 replyPanel.add( replyLabel, "West" ); 166 JPanel subjectPanel = new JPanel(); 167 subjectPanel.setLayout( new BorderLayout() ); 168 subjectPanel.add( subjectLabel, "West" ); 169 JPanel commentPanel = new JPanel(); 170 commentPanel.setLayout( new BorderLayout() ); 171 commentPanel.add( commentLabel, "West" ); 172 JPanel emptyPanel = new JPanel(); 173 174 final int labelWidth = 80; 175 newsgroupPanel.setPreferredSize( new Dimension( labelWidth, TEXTBOXHEIGHT ) ); 176 hostPanel.setPreferredSize( new Dimension( labelWidth, TEXTBOXHEIGHT ) ); 177 replyPanel.setPreferredSize( new Dimension( labelWidth, TEXTBOXHEIGHT ) ); 178 subjectPanel.setPreferredSize( new Dimension( labelWidth, TEXTBOXHEIGHT ) ); 179 commentPanel.setPreferredSize( new Dimension( labelWidth, TEXTBOXHEIGHT ) ); 180 181 JPanel panel = new JPanel(); 182 panel.setLayout( new GridBagLayout() ); 183 GridBagConstraints constraints = new GridBagConstraints(); 184 constraints.fill = GridBagConstraints.BOTH; 185 constraints.insets = new Insets( 5, 5, 5, 5 ); 186 187 constraints.gridx = 0; 188 constraints.gridy = 0; 189 constraints.gridwidth = 1; 190 constraints.gridheight = 1; 191 constraints.weightx = constraints.weighty = 0.0; 192 panel.add( newsgroupPanel, constraints ); 193 194 constraints.gridx = 0; 195 constraints.gridy = 1; 196 constraints.gridwidth = 1; 197 constraints.gridheight = 1; 198 panel.add( hostPanel, constraints ); 199 200 constraints.gridx = 0; 201 constraints.gridy = 2; 202 constraints.gridwidth = 1; 203 constraints.gridheight = 1; 204 panel.add( replyPanel, constraints ); 205 206 constraints.gridx = 0; 207 constraints.gridy = 3; 208 constraints.gridwidth = 1; 209 constraints.gridheight = 1; 210 panel.add( subjectPanel, constraints ); 211 212 constraints.gridx = 0; 213 constraints.gridy = 4; 214 constraints.gridwidth = 1; 215 constraints.gridheight = 1; 216 panel.add( commentPanel, constraints ); 217 218 constraints.gridx = 0; 219 constraints.gridy = 5; 220 constraints.gridwidth = 1; 221 constraints.gridheight = 1; 222 constraints.weightx = constraints.weighty = 1.0; 223 panel.add( emptyPanel, constraints ); 224 225 return panel; 226 } 227 228 constructTextPanel()229 private JPanel constructTextPanel() 230 { 231 hostTextField = new JTextField(); 232 hostTextField.setPreferredSize( new Dimension( TEXTBOXWIDTH, TEXTBOXHEIGHT ) ); 233 hostTextField.setToolTipText( hostText ); 234 hostTextField.setBorder( new EtchedBorder() ); 235 236 //optionPanel.setBorder( new TitledBorder( new EtchedBorder(), "Document Format" ) ); 237 newsgroupComboBox = getNewsgroupCombo(); 238 239 replyTextField = new JTextField(); 240 replyTextField.setPreferredSize( new Dimension( TEXTBOXWIDTH, TEXTBOXHEIGHT ) ); 241 replyTextField.setToolTipText( replyText ); 242 replyTextField.setBorder( new EtchedBorder() ); 243 244 subjectTextField = new JTextField(); 245 subjectTextField.setPreferredSize( new Dimension( TEXTBOXWIDTH, TEXTBOXHEIGHT ) ); 246 subjectTextField.setToolTipText( subjectText ); 247 subjectTextField.setBorder( new EtchedBorder() ); 248 249 commentTextArea = new JTextArea(); 250 commentTextArea.setPreferredSize( new Dimension( TEXTBOXWIDTH, TEXTAREAHEIGHT ) ); 251 commentTextArea.setToolTipText( commentText ); 252 commentTextArea.setBorder( new EtchedBorder() ); 253 254 JPanel panel = new JPanel(); 255 panel.setLayout( new GridBagLayout() ); 256 GridBagConstraints constraints = new GridBagConstraints(); 257 constraints.fill = GridBagConstraints.BOTH; 258 constraints.insets = new Insets( 5, 5, 5, 5 ); 259 260 constraints.gridx = 0; 261 constraints.gridy = 0; 262 constraints.gridwidth = 1; 263 constraints.gridheight = 1; 264 panel.add( newsgroupComboBox, constraints ); 265 266 constraints.gridx = 0; 267 constraints.gridy = 1; 268 constraints.gridwidth = 1; 269 constraints.gridheight = 1; 270 panel.add( hostTextField, constraints ); 271 272 constraints.gridx = 0; 273 constraints.gridy = 2; 274 constraints.gridwidth = 1; 275 constraints.gridheight = 1; 276 panel.add( replyTextField, constraints ); 277 278 constraints.gridx = 0; 279 constraints.gridy = 3; 280 constraints.gridwidth = 1; 281 constraints.gridheight = 1; 282 panel.add( subjectTextField, constraints ); 283 284 constraints.gridx = 0; 285 constraints.gridy = 4; 286 constraints.gridwidth = 1; 287 constraints.gridheight = 2; 288 panel.add( commentTextArea, constraints ); 289 290 return panel; 291 } 292 293 getNewsgroupCombo()294 private JComboBox getNewsgroupCombo() 295 { 296 newsgroupComboBox = new JComboBox(); 297 //newsgroupComboBox.setBorder( new EtchedBorder() ); 298 299 newsgroupComboBox.addActionListener(new ActionListener() 300 { 301 public void actionPerformed(ActionEvent e) 302 { 303 // when newsgroup is selected 304 if( subscribedNewsgroups != null ) 305 { 306 int position = newsgroupComboBox.getSelectedIndex(); 307 if( position != -1 ) 308 { 309 hostTextField.setText( subscribedNewsgroups[ position ].getHostName() ); 310 newsgroupComboBox.setToolTipText( "Newsgroup name: " + subscribedNewsgroups[ position ].getNewsgroupName() + " (Host name: " + subscribedNewsgroups[ position ].getHostName() + ")" ); 311 } 312 } 313 } 314 }); 315 316 NewsGroup groupToSend = null; 317 SubscribedNewsgroups newsgroups = new SubscribedNewsgroups(); 318 subscribedNewsgroups = newsgroups.getNewsGroups(); 319 320 // Test for no .mozilla or no subscribed newsgroups 321 // subscribedNewsgroups = null; 322 323 if( subscribedNewsgroups == null ) 324 { 325 //System.out.println( "Couldn't find any subscibed newsgroups in .mozilla" ); 326 JOptionPane.showMessageDialog( window, "No subscribed newsgroups found in mozilla/netscape profile \nPlease enter newsgroup and host name", 327 "Newsgroups Information", JOptionPane.INFORMATION_MESSAGE ); 328 } 329 else 330 { 331 // Copy all newsgroups into a vector for comparison 332 // Alter entries (to include host name) if duplication is found 333 Vector vector = new Vector( subscribedNewsgroups.length ); 334 for(int i=0; i < subscribedNewsgroups.length; i++ ) 335 { 336 vector.add( subscribedNewsgroups[i].getNewsgroupName() ); 337 } 338 // Compare and alter 339 for(int i=0; i < subscribedNewsgroups.length; i++ ) 340 { 341 // check if combo box already has a newsgroup with same name 342 // then add host name to differentiate 343 for(int j=0; j < subscribedNewsgroups.length; j++ ) 344 { 345 if( j != i && subscribedNewsgroups[j].getNewsgroupName().equalsIgnoreCase( subscribedNewsgroups[i].getNewsgroupName() ) ) 346 { 347 vector.set( j, subscribedNewsgroups[j].getNewsgroupName() + " (" + subscribedNewsgroups[j].getHostName() + ")" ); 348 vector.set( i, subscribedNewsgroups[i].getNewsgroupName() + " (" + subscribedNewsgroups[i].getHostName() + ")" ); 349 } 350 } 351 } 352 // Copy converted newsgroups from vector to combo box 353 for(int i=0; i < subscribedNewsgroups.length; i++ ) 354 { 355 newsgroupComboBox.addItem( vector.elementAt(i) ); 356 } 357 }// else 358 359 newsgroupComboBox.setPreferredSize( new Dimension( TEXTBOXWIDTH, TEXTBOXHEIGHT ) ); 360 newsgroupComboBox.setEditable( true ); 361 362 return newsgroupComboBox; 363 } 364 365 366 constructOptionPanel()367 private JPanel constructOptionPanel() 368 { 369 officeHtmlButton = new JRadioButton( "Office and HTML", true ); 370 officeHtmlButton.setToolTipText( officeHtmlText ); 371 372 officeButton = new JRadioButton( "Office" ); 373 officeButton.setToolTipText( officeText ); 374 375 htmlButton = new JRadioButton( "HTML" ); 376 htmlButton.setToolTipText( htmlText ); 377 378 JRadioButton[] rbuttons = { officeHtmlButton, officeButton, htmlButton }; 379 ButtonGroup radioButtonGroup = new ButtonGroup(); 380 for( int i=0; i < rbuttons.length; i++ ) 381 { 382 radioButtonGroup.add( rbuttons[i] ); 383 } 384 385 JPanel optionPanel = new JPanel(); 386 //optionPanel.setLayout( new GridLayout( 1, 3, 20, 0 ) ); 387 optionPanel.setBorder( new TitledBorder( new EtchedBorder(), "Document Format" ) ); 388 optionPanel.setLayout( new GridBagLayout() ); 389 GridBagConstraints constraints = new GridBagConstraints(); 390 constraints.fill = GridBagConstraints.BOTH; 391 392 constraints.gridx = 0; 393 constraints.gridy = 0; 394 constraints.gridwidth = 1; 395 constraints.gridheight = 1; 396 constraints.insets = new Insets( 5, 5, 5, 30 ); 397 optionPanel.add( officeHtmlButton, constraints ); 398 399 constraints.gridx = 1; 400 constraints.gridy = 0; 401 constraints.gridwidth = 1; 402 constraints.gridheight = 1; 403 constraints.insets = new Insets( 5, 20, 5, 30 ); 404 optionPanel.add( officeButton, constraints ); 405 406 constraints.gridx = 2; 407 constraints.gridy = 0; 408 constraints.gridwidth = 1; 409 constraints.gridheight = 1; 410 constraints.insets = new Insets( 5, 20, 5, 5 ); 411 optionPanel.add( htmlButton, constraints ); 412 413 return optionPanel; 414 } 415 416 417 sendingActions()418 public boolean sendingActions() 419 { 420 // posting actions 421 // Validate the data 422 if( isValidData() ) 423 { 424 // Create status window 425 StatusWindow statusWindow = new StatusWindow( window, "Posting to Newsgroup", FRAMEX, FRAMEY ); 426 427 statusWindow.setVisible( true ); 428 //statusWindow.requestFocusInWindow(); 429 statusLine = "Ready to send..."; 430 statusWindow.setStatus( 0, statusLine ); 431 432 // Get the boolean values for HTML/Office document 433 // params: ( XScriptContext, StatusWindow, html document, office document ) 434 435 boolean html = false; 436 boolean office = false; 437 if( officeHtmlButton.isSelected() ) { html = true; office = true; } 438 if( officeButton.isSelected() ) { office = true; html = false; } 439 if( htmlButton.isSelected() ) { html = true; office = false; } 440 441 OfficeAttachment officeAttach = new OfficeAttachment( xscriptcontext, statusWindow, html, office ); 442 443 statusLine = "Getting user input"; 444 statusWindow.setStatus( 2, statusLine ); 445 // Get replyto, subject, comment from textboxes 446 String replyto = replyTextField.getText(); 447 String subject = subjectTextField.getText(); 448 String comment = commentTextArea.getText(); 449 450 // Get newsgroup from combo box (corresponding position) 451 String host = ""; 452 String group = ""; 453 int position = newsgroupComboBox.getSelectedIndex(); 454 if( subscribedNewsgroups == null || position == -1 ) 455 { 456 host = hostTextField.getText(); 457 group = newsgroupComboBox.getSelectedItem().toString(); 458 } 459 else 460 { 461 //int position = newsgroupComboBox.getSelectedIndex(); 462 host = subscribedNewsgroups[ position ].getHostName(); 463 group = subscribedNewsgroups[ position ].getNewsgroupName(); 464 } 465 466 statusLine = "Creating sender object"; 467 statusWindow.setStatus( 3, statusLine ); 468 Sender sender = new Sender( statusWindow, officeAttach, replyto, subject, comment, host, group ); 469 if( !sender.sendMail() ) 470 { 471 //System.out.println( "Should end here (?)" ); 472 statusWindow.enableCancelButton( true ); 473 officeAttach.cleanUpOnError(); 474 return false; 475 } 476 477 statusLine = "Send is complete"; 478 statusWindow.setStatus( 14, statusLine ); 479 } 480 else 481 { 482 //System.out.println( "Non valid data" ); 483 return false; 484 } 485 return true; 486 } 487 488 constructButtonPanel()489 private JPanel constructButtonPanel() 490 { 491 Action postAction = new AbstractAction() { 492 public void actionPerformed( ActionEvent event ) { 493 // posting actions 494 sendingActions(); 495 }// actionPerformed 496 }; 497 498 Action cancelAction = new AbstractAction() { 499 public void actionPerformed( ActionEvent event ) { 500 // cancelling actions 501 window.dispose(); 502 } 503 }; 504 505 postButton = new JButton(); 506 postButton.setAction( postAction ); 507 postButton.setToolTipText( postText ); 508 postButton.setText( "Post" ); 509 postButton.setPreferredSize( new Dimension( BUTTONWIDTH + 20, BUTTONHEIGHT ) ); 510 511 cancelButton = new JButton(); 512 cancelButton.setAction( cancelAction ); 513 cancelButton.setToolTipText( cancelText ); 514 cancelButton.setText( "Cancel" ); 515 cancelButton.setPreferredSize( new Dimension( BUTTONWIDTH + 20, BUTTONHEIGHT ) ); 516 517 JSeparator sep = new JSeparator( SwingConstants.HORIZONTAL ); 518 519 JPanel buttonPanel = new JPanel(); 520 buttonPanel.setLayout( new GridBagLayout() ); 521 GridBagConstraints constraints = new GridBagConstraints(); 522 constraints.fill = GridBagConstraints.BOTH; 523 constraints.insets = new Insets( 5, 5, 5, 5 ); 524 525 JPanel emptyPanel1 = new JPanel(); 526 emptyPanel1.setPreferredSize( new Dimension( BUTTONWIDTH, BUTTONHEIGHT ) ); 527 528 JPanel emptyPanel2 = new JPanel(); 529 emptyPanel2.setPreferredSize( new Dimension( BUTTONWIDTH, BUTTONHEIGHT ) ); 530 531 constraints.gridx = 0; 532 constraints.gridy = 0; 533 constraints.gridwidth = 4; 534 constraints.gridheight = 1; 535 buttonPanel.add( sep, constraints ); 536 537 constraints.gridx = 0; 538 constraints.gridy = 1; 539 constraints.gridwidth = 1; 540 constraints.gridheight = 1; 541 buttonPanel.add( emptyPanel1, constraints ); 542 543 constraints.gridx = 1; 544 constraints.gridy = 1; 545 constraints.gridwidth = 1; 546 constraints.gridheight = 1; 547 buttonPanel.add( emptyPanel2, constraints ); 548 549 constraints.gridx = 2; 550 constraints.gridy = 1; 551 constraints.gridwidth = 1; 552 constraints.gridheight = 1; 553 buttonPanel.add( postButton, constraints ); 554 555 constraints.gridx = 3; 556 constraints.gridy = 1; 557 constraints.gridwidth = 1; 558 constraints.gridheight = 1; 559 constraints.insets = new Insets( 5, 5, 5, 0 ); 560 buttonPanel.add( cancelButton, constraints ); 561 562 return buttonPanel; 563 } 564 565 enableButtons( boolean enable )566 public void enableButtons( boolean enable ) 567 { 568 if( enable ) 569 { 570 postButton.setEnabled( true ); 571 cancelButton.setEnabled( true ); 572 } 573 else 574 { 575 postButton.setEnabled( false ); 576 cancelButton.setEnabled( false ); 577 } 578 } 579 580 isValidData()581 private boolean isValidData() 582 { 583 // newsgroupComboBox must not be blank (format? dots and whitespace) 584 String newsgroupString = ""; 585 int position = newsgroupComboBox.getSelectedIndex(); 586 if( subscribedNewsgroups == null || position == -1 ) 587 { 588 newsgroupString = newsgroupComboBox.getSelectedItem().toString(); 589 } 590 else 591 { 592 //int position = newsgroupComboBox.getSelectedIndex(); 593 newsgroupString = subscribedNewsgroups[ position ].getNewsgroupName(); 594 } 595 if( newsgroupString.length() == 0 ) 596 { 597 //System.out.println( "Please enter a newsgroup name" ); 598 newsgroupComboBox.requestFocus(); 599 JOptionPane.showMessageDialog( window, "Please enter a newsgroup name", "Input Error", JOptionPane.ERROR_MESSAGE ); 600 return false; 601 } 602 603 604 // hostTextField must not be blank (format?) 605 String hostString = hostTextField.getText(); 606 if( hostString.length() == 0 ) 607 { 608 //System.out.println( "Please enter a hostname" ); 609 hostTextField.requestFocus(); 610 JOptionPane.showMessageDialog( window, "Please enter a hostname", "Input Error", JOptionPane.ERROR_MESSAGE ); 611 return false; 612 } 613 614 615 // replyTextField must have <string>@<string>.<string> 616 // (string at least 2 chars long) 617 // consider <s>.<s>@<s>.<s>.<s> format? (array of dot positons?) 618 String replyString = replyTextField.getText(); 619 int atPos = replyString.indexOf( "@" ); 620 int dotPos = replyString.lastIndexOf( "." ); 621 int length = replyString.length(); 622 //System.out.println( "length: " + length + "\n atPos: " + atPos + "\n dotPos: " + dotPos ); 623 if( length == 0 || atPos == -1 || dotPos == -1 || atPos < 2 || dotPos < atPos || dotPos + 2 == length || atPos + 2 == dotPos || atPos != replyString.lastIndexOf( "@" ) || replyString.indexOf(" ") != -1 ) 624 { 625 //System.out.println( "Please enter a valid reply to email address" ); 626 replyTextField.requestFocus(); 627 JOptionPane.showMessageDialog( window, "Please enter a valid reply to email address", "Input Error", JOptionPane.ERROR_MESSAGE ); 628 return false; 629 } 630 631 632 // subjectTextField must not be blank? 633 String subjectString = subjectTextField.getText(); 634 if( subjectString.length() == 0 ) 635 { 636 //System.out.println( "Please enter subject title" ); 637 subjectTextField.requestFocus(); 638 JOptionPane.showMessageDialog( window, "Please enter subject title", "Input Error", JOptionPane.ERROR_MESSAGE ); 639 return false; 640 } 641 642 // details are valid 643 return true; 644 } 645 646 } 647