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   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2003 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11
  12 package net.sourceforge.phpdt.internal.ui.preferences;
  13
  14 import java.io.File;
  15 import java.util.HashMap;
  16 import java.util.Iterator;
  17 import java.util.Locale;
  18 import java.util.Map;
  19 import java.util.Set;
  20
  21 import org.eclipse.core.runtime.IStatus;
  22
  23 import org.eclipse.swt.SWT;
  24 import org.eclipse.swt.events.SelectionAdapter;
  25 import org.eclipse.swt.events.SelectionEvent;
  26 import org.eclipse.swt.events.SelectionListener;
  27 import org.eclipse.swt.layout.GridData;
  28 import org.eclipse.swt.layout.GridLayout;
  29 import org.eclipse.swt.widgets.Button;
  30 import org.eclipse.swt.widgets.Combo;
  31 import org.eclipse.swt.widgets.Composite;
  32 import org.eclipse.swt.widgets.Control;
  33 import org.eclipse.swt.widgets.FileDialog;
  34 import org.eclipse.swt.widgets.Group;
  35 import org.eclipse.swt.widgets.Label;
  36 import org.eclipse.swt.widgets.Text;
  37
  38 import org.eclipse.jface.preference.IPreferenceStore;
  39
  40 import net.sourceforge.phpdt.core.IJavaProject;
  41
  42 import net.sourceforge.phpdt.ui.PreferenceConstants;
  43
  44 import net.sourceforge.phpdt.internal.ui.dialogs.StatusInfo;
  45 import net.sourceforge.phpdt.internal.ui.dialogs.StatusUtil;
  46 import net.sourceforge.phpdt.internal.ui.text.spelling.SpellCheckEngine;
  47 import net.sourceforge.phpdt.internal.ui.util.PixelConverter;
  48 import net.sourceforge.phpdt.internal.ui.util.SWTUtil;
  49 import net.sourceforge.phpdt.internal.ui.wizards.IStatusChangeListener;
  50
  51 /**
  52  * Options configuration block for spell-check related settings.
  53  *
  54  * @since 3.0
  55  */
  56 public class SpellingConfigurationBlock extends OptionsConfigurationBlock {
  57
  58         /** Preference keys for the preferences in this block */
  59         private static final String PREF_SPELLING_CHECK_SPELLING= PreferenceConstants.SPELLING_CHECK_SPELLING;
  60         private static final String PREF_SPELLING_IGNORE_DIGITS= PreferenceConstants.SPELLING_IGNORE_DIGITS;
  61         private static final String PREF_SPELLING_IGNORE_MIXED= PreferenceConstants.SPELLING_IGNORE_MIXED;
  62         private static final String PREF_SPELLING_IGNORE_SENTENCE= PreferenceConstants.SPELLING_IGNORE_SENTENCE;
  63         private static final String PREF_SPELLING_IGNORE_UPPER= PreferenceConstants.SPELLING_IGNORE_UPPER;
  64         private static final String PREF_SPELLING_IGNORE_URLS= PreferenceConstants.SPELLING_IGNORE_URLS;
  65         private static final String PREF_SPELLING_LOCALE= PreferenceConstants.SPELLING_LOCALE;
  66         private static final String PREF_SPELLING_PROPOSAL_THRESHOLD= PreferenceConstants.SPELLING_PROPOSAL_THRESHOLD;
  67         private static final String PREF_SPELLING_USER_DICTIONARY= PreferenceConstants.SPELLING_USER_DICTIONARY;
  68         private static final String PREF_SPELLING_ENABLE_CONTENTASSIST= PreferenceConstants.SPELLING_ENABLE_CONTENTASSIST;
  69
  70         /**
  71          * Creates a selection dependency between a master and a slave control.
  72          *
  73          * @param master
  74          *                   The master button that controls the state of the slave
  75          * @param slave
  76          *                   The slave control that is enabled only if the master is
  77          *                   selected
  78          */
  79         protected static void createSelectionDependency(final Button master, final Control slave) {
  80
  81                 master.addSelectionListener(new SelectionListener() {
  82
  83                         public void widgetDefaultSelected(SelectionEvent event) {
  84                                 // Do nothing
  85                         }
  86
  87                         public void widgetSelected(SelectionEvent event) {
  88                                 slave.setEnabled(master.getSelection());
  89                         }
  90                 });
  91                 slave.setEnabled(master.getSelection());
  92         }
  93
  94         /**
  95          * Returns the locale codes for the locale list.
  96          *
  97          * @param locales
  98          *                   The list of locales
  99          * @return Array of locale codes for the list
 100          */
 101         protected static String[] getDictionaryCodes(final Set locales) {
 102
 103                 int index= 0;
 104                 Locale locale= null;
 105
 106                 final String[] codes= new String[locales.size()];
 107                 for (final Iterator iterator= locales.iterator(); iterator.hasNext();) {
 108
 109                         locale= (Locale)iterator.next();
 110                         codes[index++]= locale.toString();
 111                 }
 112                 return codes;
 113         }
 114
 115         /**
 116          * Returns the display labels for the locale list.
 117          *
 118          * @param locales
 119          *                   The list of locales
 120          * @return Array of display labels for the list
 121          */
 122         protected static String[] getDictionaryLabels(final Set locales) {
 123
 124                 int index= 0;
 125                 Locale locale= null;
 126
 127                 final String[] labels= new String[locales.size()];
 128                 for (final Iterator iterator= locales.iterator(); iterator.hasNext();) {
 129
 130                         locale= (Locale)iterator.next();
 131                         labels[index++]= locale.getDisplayName(SpellCheckEngine.getDefaultLocale());
 132                 }
 133                 return labels;
 134         }
 135
 136         /**
 137          * Validates that the file with the specified absolute path exists and can
 138          * be opened.
 139          *
 140          * @param path
 141          *                   The path of the file to validate
 142          * @return <code>true</code> iff the file exists and can be opened,
 143          *               <code>false</code> otherwise
 144          */
 145         protected static IStatus validateAbsoluteFilePath(final String path) {
 146
 147                 final StatusInfo status= new StatusInfo();
 148                 if (path.length() > 0) {
 149
 150                         final File file= new File(path);
 151                         if (!file.isFile() || !file.isAbsolute() || !file.exists() || !file.canRead() || !file.canWrite())
 152                                 status.setError(PreferencesMessages.getString("SpellingPreferencePage.dictionary.error")); //$NON-NLS-1$
 153
 154                 }
 155                 return status;
 156         }
 157
 158         /**
 159          * Validates that the specified locale is available.
 160          *
 161          * @param locale
 162          *                   The locale to validate
 163          * @return The status of the validation
 164          */
 165         protected static IStatus validateLocale(final String locale) {
 166
 167                 final StatusInfo status= new StatusInfo(IStatus.ERROR, PreferencesMessages.getString("SpellingPreferencePage.locale.error")); //$NON-NLS-1$
 168                 final Set locales= SpellCheckEngine.getAvailableLocales();
 169
 170                 Locale current= null;
 171                 for (final Iterator iterator= locales.iterator(); iterator.hasNext();) {
 172
 173                         current= (Locale)iterator.next();
 174                         if (current.toString().equals(locale))
 175                                 return new StatusInfo();
 176                 }
 177                 return status;
 178         }
 179
 180         /**
 181          * Validates that the specified number is positive.
 182          *
 183          * @param number
 184          *                   The number to validate
 185          * @return The status of the validation
 186          */
 187         protected static IStatus validatePositiveNumber(final String number) {
 188
 189                 final StatusInfo status= new StatusInfo();
 190                 if (number.length() == 0) {
 191                         status.setError(PreferencesMessages.getString("SpellingPreferencePage.empty_threshold")); //$NON-NLS-1$
 192                 } else {
 193                         try {
 194                                 final int value= Integer.parseInt(number);
 195                                 if (value < 0) {
 196                                         status.setError(PreferencesMessages.getFormattedString("SpellingPreferencePage.invalid_threshold", number)); //$NON-NLS-1$
 197                                 }
 198                         } catch (NumberFormatException exception) {
 199                                 status.setError(PreferencesMessages.getFormattedString("SpellingPreferencePage.invalid_threshold", number)); //$NON-NLS-1$
 200                         }
 201                 }
 202                 return status;
 203         }
 204
 205         /** The dictionary path field */
 206         private Text fDictionaryPath= null;
 207
 208         /** The status for the workspace dictionary file */
 209         private IStatus fFileStatus= new StatusInfo();
 210
 211         /** The status for the platform locale */
 212         private IStatus fLocaleStatus= new StatusInfo();
 213
 214         /** The status for the proposal threshold */
 215         private IStatus fThresholdStatus= new StatusInfo();
 216
 217         /**
 218          * Creates a new spelling configuration block.
 219          *
 220          * @param context
 221          *                   The status change listener
 222          * @param project
 223          *                   The Java project
 224          */
 225         public SpellingConfigurationBlock(final IStatusChangeListener context, final IJavaProject project) {
 226                 super(context, project, getAllKeys());
 227
 228                 IStatus status= validateAbsoluteFilePath((String)fWorkingValues.get(PREF_SPELLING_USER_DICTIONARY));
 229                 if (status.getSeverity() != IStatus.OK)
 230                         fWorkingValues.put(PREF_SPELLING_USER_DICTIONARY, ""); //$NON-NLS-1$
 231
 232                 status= validateLocale((String)fWorkingValues.get(PREF_SPELLING_LOCALE));
 233                 if (status.getSeverity() != IStatus.OK)
 234                         fWorkingValues.put(PREF_SPELLING_LOCALE, SpellCheckEngine.getDefaultLocale().toString());
 235         }
 236
 237         protected Combo addComboBox(Composite parent, String label, String key, String[] values, String[] valueLabels, int indent) {
 238                 ControlData data= new ControlData(key, values);
 239
 240                 GridData gd= new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
 241                 gd.horizontalIndent= indent;
 242
 243                 Label labelControl= new Label(parent, SWT.LEFT | SWT.WRAP);
 244                 labelControl.setText(label);
 245                 labelControl.setLayoutData(gd);
 246
 247                 Combo comboBox= new Combo(parent, SWT.READ_ONLY);
 248                 comboBox.setItems(valueLabels);
 249                 comboBox.setData(data);
 250                 gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL);
 251                 gd.horizontalSpan= 2;
 252                 comboBox.setLayoutData(gd);
 253                 comboBox.addSelectionListener(getSelectionListener());
 254
 255                 fLabels.put(comboBox, labelControl);
 256
 257                 String currValue= (String)fWorkingValues.get(key);
 258                 comboBox.select(data.getSelection(currValue));
 259
 260                 fComboBoxes.add(comboBox);
 261                 return comboBox;
 262         }
 263
 264         /*
 265          * @see org.eclipse.jdt.internal.ui.preferences.OptionsConfigurationBlock#createContents(org.eclipse.swt.widgets.Composite)
 266          */
 267         protected Control createContents(final Composite parent) {
 268
 269                 Composite composite= new Composite(parent, SWT.NONE);
 270                 GridLayout layout= new GridLayout(); layout.numColumns= 1;
 271                 composite.setLayout(layout);
 272
 273                 final PixelConverter converter= new PixelConverter(parent);
 274
 275                 layout= new GridLayout();
 276                 layout.numColumns= 3;
 277
 278                 final String[] trueFalse= new String[] { IPreferenceStore.TRUE, IPreferenceStore.FALSE };
 279
 280                 Group user= new Group(composite, SWT.NONE);
 281                 user.setText(PreferencesMessages.getString("SpellingPreferencePage.preferences.user")); //$NON-NLS-1$
 282                 user.setLayout(new GridLayout());
 283                 user.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 284
 285                 String label= PreferencesMessages.getString("SpellingPreferencePage.enable.label"); //$NON-NLS-1$
 286                 final Button master= addCheckBox(user, label, PREF_SPELLING_CHECK_SPELLING, trueFalse, 0);
 287
 288                 label= PreferencesMessages.getString("SpellingPreferencePage.ignore.digits.label"); //$NON-NLS-1$
 289                 Control slave= addCheckBox(user, label, PREF_SPELLING_IGNORE_DIGITS, trueFalse, 20);
 290                 createSelectionDependency(master, slave);
 291
 292                 label= PreferencesMessages.getString("SpellingPreferencePage.ignore.mixed.label"); //$NON-NLS-1$
 293                 slave= addCheckBox(user, label, PREF_SPELLING_IGNORE_MIXED, trueFalse, 20);
 294                 createSelectionDependency(master, slave);
 295
 296                 label= PreferencesMessages.getString("SpellingPreferencePage.ignore.sentence.label"); //$NON-NLS-1$
 297                 slave= addCheckBox(user, label, PREF_SPELLING_IGNORE_SENTENCE, trueFalse, 20);
 298                 createSelectionDependency(master, slave);
 299
 300                 label= PreferencesMessages.getString("SpellingPreferencePage.ignore.upper.label"); //$NON-NLS-1$
 301                 slave= addCheckBox(user, label, PREF_SPELLING_IGNORE_UPPER, trueFalse, 20);
 302                 createSelectionDependency(master, slave);
 303
 304                 label= PreferencesMessages.getString("SpellingPreferencePage.ignore.url.label"); //$NON-NLS-1$
 305                 slave= addCheckBox(user, label, PREF_SPELLING_IGNORE_URLS, trueFalse, 20);
 306                 createSelectionDependency(master, slave);
 307
 308                 final Group engine= new Group(composite, SWT.NONE);
 309                 engine.setText(PreferencesMessages.getString("SpellingPreferencePage.preferences.engine")); //$NON-NLS-1$
 310                 layout= new GridLayout();
 311                 layout.numColumns= 4;
 312                 engine.setLayout(layout);
 313                 engine.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 314
 315                 label= PreferencesMessages.getString("SpellingPreferencePage.dictionary.label"); //$NON-NLS-1$
 316                 final Set locales= SpellCheckEngine.getAvailableLocales();
 317
 318                 Combo combo= addComboBox(engine, label, PREF_SPELLING_LOCALE, getDictionaryCodes(locales), getDictionaryLabels(locales), 0);
 319                 combo.setEnabled(locales.size() > 1);
 320
 321                 new Label(engine, SWT.NONE); // placeholder
 322
 323                 label= PreferencesMessages.getString("SpellingPreferencePage.workspace.dictionary.label"); //$NON-NLS-1$
 324                 fDictionaryPath= addTextField(engine, label, PREF_SPELLING_USER_DICTIONARY, 0, 0);
 325
 326
 327                 Button button= new Button(engine, SWT.PUSH);
 328                 button.setText(PreferencesMessages.getString("SpellingPreferencePage.browse.label")); //$NON-NLS-1$
 329                 button.addSelectionListener(new SelectionAdapter() {
 330
 331                         public void widgetSelected(final SelectionEvent event) {
 332                                 handleBrowseButtonSelected();
 333                         }
 334                 });
 335                 button.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
 336                 SWTUtil.setButtonDimensionHint(button);
 337
 338                 layout= new GridLayout();
 339                 layout.numColumns= 3;
 340
 341                 Group advanced= new Group(composite, SWT.NONE);
 342                 advanced.setText(PreferencesMessages.getString("SpellingPreferencePage.preferences.advanced")); //$NON-NLS-1$
 343                 layout= new GridLayout();
 344                 layout.numColumns= 3;
 345                 advanced.setLayout(layout);
 346                 advanced.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 347
 348                 label= PreferencesMessages.getString("SpellingPreferencePage.proposals.threshold"); //$NON-NLS-1$
 349                 Text text= addTextField(advanced, label, PREF_SPELLING_PROPOSAL_THRESHOLD, 0, 0);
 350                 text.setTextLimit(3);
 351                 GridData data= new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
 352                 data.widthHint= converter.convertWidthInCharsToPixels(4);
 353                 text.setLayoutData(data);
 354
 355                 label= PreferencesMessages.getString("SpellingPreferencePage.enable.contentassist.label"); //$NON-NLS-1$
 356                 addCheckBox(advanced, label, PREF_SPELLING_ENABLE_CONTENTASSIST, trueFalse, 0);
 357
 358                 return composite;
 359         }
 360
 361         private static String[] getAllKeys() {
 362                 return new String[] { PREF_SPELLING_USER_DICTIONARY, PREF_SPELLING_CHECK_SPELLING, PREF_SPELLING_IGNORE_DIGITS, PREF_SPELLING_IGNORE_MIXED, PREF_SPELLING_IGNORE_SENTENCE, PREF_SPELLING_IGNORE_UPPER, PREF_SPELLING_IGNORE_URLS, PREF_SPELLING_LOCALE, PREF_SPELLING_PROPOSAL_THRESHOLD, PREF_SPELLING_ENABLE_CONTENTASSIST };
 363         }
 364
 365         /*
 366          * @see org.eclipse.jdt.internal.ui.preferences.OptionsConfigurationBlock#getDefaultOptions()
 367          */
 368         protected Map getDefaultOptions() {
 369
 370                 final String[] keys= fAllKeys;
 371                 final Map options= new HashMap();
 372                 final IPreferenceStore store= PreferenceConstants.getPreferenceStore();
 373
 374                 for (int index= 0; index < keys.length; index++)
 375                         options.put(keys[index], store.getDefaultString(keys[index]));
 376
 377                 return options;
 378         }
 379
 380         /*
 381          * @see org.eclipse.jdt.internal.ui.preferences.OptionsConfigurationBlock#getFullBuildDialogStrings(boolean)
 382          */
 383         protected final String[] getFullBuildDialogStrings(final boolean workspace) {
 384                 return null;
 385         }
 386
 387         /*
 388          * @see org.eclipse.jdt.internal.ui.preferences.OptionsConfigurationBlock#getOptions(boolean)
 389          */
 390         protected Map getOptions(final boolean inherit) {
 391
 392                 final String[] keys= fAllKeys;
 393                 final Map options= new HashMap();
 394                 final IPreferenceStore store= PreferenceConstants.getPreferenceStore();
 395
 396                 for (int index= 0; index < keys.length; index++)
 397                         options.put(keys[index], store.getString(keys[index]));
 398
 399                 return options;
 400         }
 401
 402         /**
 403          * Handles selections of the browse button.
 404          */
 405         protected void handleBrowseButtonSelected() {
 406
 407                 final FileDialog dialog= new FileDialog(fDictionaryPath.getShell(), SWT.OPEN);
 408                 dialog.setText(PreferencesMessages.getString("SpellingPreferencePage.filedialog.title")); //$NON-NLS-1$
 409                 dialog.setFilterExtensions(new String[] { PreferencesMessages.getString("SpellingPreferencePage.filter.dictionary.extension"), PreferencesMessages.getString("SpellingPreferencePage.filter.all.extension") }); //$NON-NLS-1$ //$NON-NLS-2$
 410                 dialog.setFilterNames(new String[] { PreferencesMessages.getString("SpellingPreferencePage.filter.dictionary.label"), PreferencesMessages.getString("SpellingPreferencePage.filter.all.label") }); //$NON-NLS-1$ //$NON-NLS-2$
 411
 412                 final String path= dialog.open();
 413                 if (path != null)
 414                         fDictionaryPath.setText(path);
 415         }
 416
 417         /*
 418          * @see org.eclipse.jdt.internal.ui.preferences.OptionsConfigurationBlock#setOptions(java.util.Map)
 419          */
 420         protected void setOptions(final Map options) {
 421
 422                 final String[] keys= fAllKeys;
 423                 final IPreferenceStore store= PreferenceConstants.getPreferenceStore();
 424
 425                 for (int index= 0; index < keys.length; index++)
 426                         store.setValue(keys[index], (String)fWorkingValues.get(keys[index]));
 427         }
 428
 429         /*
 430          * @see org.eclipse.jdt.internal.ui.preferences.OptionsConfigurationBlock#validateSettings(java.lang.String,java.lang.String)
 431          */
 432         protected void validateSettings(final String key, final String value) {
 433
 434                 if (key == null || PREF_SPELLING_PROPOSAL_THRESHOLD.equals(key))
 435                         fThresholdStatus= validatePositiveNumber((String)fWorkingValues.get(PREF_SPELLING_PROPOSAL_THRESHOLD));
 436
 437                 if (key == null || PREF_SPELLING_USER_DICTIONARY.equals(key))
 438                         fFileStatus= validateAbsoluteFilePath((String)fWorkingValues.get(PREF_SPELLING_USER_DICTIONARY));
 439
 440                 if (key == null || PREF_SPELLING_LOCALE.equals(key))
 441                         fLocaleStatus= validateLocale((String)fWorkingValues.get(PREF_SPELLING_LOCALE));
 442
 443                 fContext.statusChanged(StatusUtil.getMostSevere(new IStatus[] { fThresholdStatus, fFileStatus, fLocaleStatus }));
 444         }
 445 }