Mercurial > projects > dwt-addons
annotate dwtx/jface/preference/PreferenceDialog.d @ 90:7ffeace6c47f
Update 3.4M7 to 3.4
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sun, 06 Jul 2008 23:30:07 +0200 |
| parents | 5df4896124c7 |
| children | 04b47443bb01 |
| rev | line source |
|---|---|
| 9 | 1 /******************************************************************************* |
|
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|
2 * Copyright (c) 2000, 2008 IBM Corporation and others. |
| 9 | 3 * All rights reserved. This program and the accompanying materials |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 10 * Teddy Walker <teddy.walker@googlemail.com> | |
| 11 * - Bug 188056 [Preferences] PreferencePages have to less indent in PreferenceDialog | |
| 12 * Port to the D programming language: | |
| 13 * Frank Benoit <benoit@tionex.de> | |
| 14 *******************************************************************************/ | |
| 15 module dwtx.jface.preference.PreferenceDialog; | |
| 16 | |
| 34 | 17 import dwtx.jface.preference.IPreferencePageContainer; |
| 18 import dwtx.jface.preference.IPreferencePage; | |
| 19 import dwtx.jface.preference.IPreferenceNode; | |
| 20 import dwtx.jface.preference.IPreferenceStore; | |
| 21 import dwtx.jface.preference.IPersistentPreferenceStore; | |
| 22 import dwtx.jface.preference.PreferenceManager; | |
| 23 import dwtx.jface.preference.PreferencePage; | |
| 24 import dwtx.jface.preference.PreferenceLabelProvider; | |
| 25 import dwtx.jface.preference.PreferenceContentProvider; | |
| 9 | 26 |
| 27 import dwt.DWT; | |
| 28 import dwt.custom.BusyIndicator; | |
| 29 import dwt.custom.ScrolledComposite; | |
| 30 import dwt.events.ControlAdapter; | |
| 31 import dwt.events.ControlEvent; | |
| 32 import dwt.events.DisposeEvent; | |
| 33 import dwt.events.DisposeListener; | |
| 34 import dwt.events.HelpEvent; | |
| 35 import dwt.events.HelpListener; | |
| 36 import dwt.events.SelectionAdapter; | |
| 37 import dwt.events.SelectionEvent; | |
| 38 import dwt.events.ShellAdapter; | |
| 39 import dwt.events.ShellEvent; | |
| 40 import dwt.graphics.Font; | |
| 41 import dwt.graphics.Point; | |
| 42 import dwt.graphics.Rectangle; | |
| 43 import dwt.layout.FormAttachment; | |
| 44 import dwt.layout.FormData; | |
| 45 import dwt.layout.FormLayout; | |
| 46 import dwt.layout.GridData; | |
| 47 import dwt.layout.GridLayout; | |
| 48 import dwt.widgets.Button; | |
| 49 import dwt.widgets.Composite; | |
| 50 import dwt.widgets.Control; | |
| 51 import dwt.widgets.Event; | |
| 52 import dwt.widgets.Label; | |
| 53 import dwt.widgets.Layout; | |
| 54 import dwt.widgets.Listener; | |
| 55 import dwt.widgets.Sash; | |
| 56 import dwt.widgets.Shell; | |
| 57 import dwt.widgets.Tree; | |
| 58 import dwtx.core.runtime.Assert; | |
| 59 import dwtx.core.runtime.ISafeRunnable; | |
| 60 import dwtx.core.runtime.IStatus; | |
| 61 import dwtx.core.runtime.ListenerList; | |
| 62 import dwtx.core.runtime.SafeRunner; | |
| 63 import dwtx.core.runtime.Status; | |
| 64 import dwtx.jface.dialogs.DialogMessageArea; | |
| 65 import dwtx.jface.dialogs.IDialogConstants; | |
| 66 import dwtx.jface.dialogs.IMessageProvider; | |
| 67 import dwtx.jface.dialogs.IPageChangeProvider; | |
| 68 import dwtx.jface.dialogs.IPageChangedListener; | |
| 69 import dwtx.jface.dialogs.MessageDialog; | |
| 70 import dwtx.jface.dialogs.PageChangedEvent; | |
| 71 import dwtx.jface.dialogs.TrayDialog; | |
| 72 import dwtx.jface.resource.JFaceResources; | |
| 73 import dwtx.jface.util.IPropertyChangeListener; | |
| 74 import dwtx.jface.util.Policy; | |
| 75 import dwtx.jface.util.PropertyChangeEvent; | |
| 76 import dwtx.jface.util.SafeRunnable; | |
| 77 import dwtx.jface.viewers.ISelection; | |
| 78 import dwtx.jface.viewers.ISelectionChangedListener; | |
| 79 import dwtx.jface.viewers.IStructuredSelection; | |
| 80 import dwtx.jface.viewers.SelectionChangedEvent; | |
| 81 import dwtx.jface.viewers.StructuredSelection; | |
| 82 import dwtx.jface.viewers.TreeViewer; | |
|
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83 import dwtx.jface.viewers.ViewerComparator; |
| 9 | 84 import dwtx.jface.viewers.ViewerFilter; |
| 85 | |
| 34 | 86 import dwt.dwthelper.utils; |
| 87 import dwt.dwthelper.Runnable; | |
| 88 | |
| 9 | 89 /** |
| 90 * A preference dialog is a hierarchical presentation of preference pages. Each | |
| 91 * page is represented by a node in the tree shown on the left hand side of the | |
| 92 * dialog; when a node is selected, the corresponding page is shown on the right | |
| 93 * hand side. | |
| 94 */ | |
| 34 | 95 public class PreferenceDialog : TrayDialog, IPreferencePageContainer, IPageChangeProvider { |
| 9 | 96 /** |
| 97 * Layout for the page container. | |
| 98 * | |
| 99 */ | |
| 34 | 100 private class PageLayout : Layout { |
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101 public override Point computeSize(Composite composite, int wHint, int hHint, bool force) { |
| 9 | 102 if (wHint !is DWT.DEFAULT && hHint !is DWT.DEFAULT) { |
| 103 return new Point(wHint, hHint); | |
| 104 } | |
| 105 int x = minimumPageSize.x; | |
| 106 int y = minimumPageSize.y; | |
| 107 Control[] children = composite.getChildren(); | |
| 108 for (int i = 0; i < children.length; i++) { | |
| 109 Point size = children[i].computeSize(DWT.DEFAULT, DWT.DEFAULT, force); | |
| 110 x = Math.max(x, size.x); | |
| 111 y = Math.max(y, size.y); | |
| 112 } | |
| 113 | |
| 114 //As pages can implement thier own computeSize | |
| 115 //take it into account | |
| 116 if(currentPage !is null){ | |
| 117 Point size = currentPage.computeSize(); | |
| 118 x = Math.max(x, size.x); | |
| 119 y = Math.max(y, size.y); | |
| 120 } | |
| 121 | |
| 122 if (wHint !is DWT.DEFAULT) { | |
| 123 x = wHint; | |
| 124 } | |
| 125 if (hHint !is DWT.DEFAULT) { | |
| 126 y = hHint; | |
| 127 } | |
| 128 return new Point(x, y); | |
| 129 } | |
| 130 | |
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131 public override void layout(Composite composite, bool force) { |
| 9 | 132 Rectangle rect = composite.getClientArea(); |
| 133 Control[] children = composite.getChildren(); | |
| 134 for (int i = 0; i < children.length; i++) { | |
| 135 children[i].setSize(rect.width, rect.height); | |
| 136 } | |
| 137 } | |
| 138 } | |
| 139 | |
| 140 //The id of the last page that was selected | |
| 141 private static String lastPreferenceId = null; | |
| 142 | |
| 143 //The last known tree width | |
| 144 private static int lastTreeWidth = 180; | |
| 145 | |
| 146 /** | |
| 147 * Indentifier for the error image | |
| 148 */ | |
| 34 | 149 public static const String PREF_DLG_IMG_TITLE_ERROR = DLG_IMG_MESSAGE_ERROR; |
| 9 | 150 |
| 151 /** | |
| 152 * Title area fields | |
| 153 */ | |
| 34 | 154 public static const String PREF_DLG_TITLE_IMG = "preference_dialog_title_image"; //$NON-NLS-1$ |
| 9 | 155 |
| 156 /** | |
| 157 * Return code used when dialog failed | |
| 158 */ | |
| 34 | 159 protected static const int FAILED = 2; |
| 9 | 160 |
| 161 /** | |
| 162 * The current preference page, or <code>null</code> if there is none. | |
| 163 */ | |
| 164 private IPreferencePage currentPage; | |
| 165 | |
| 166 private DialogMessageArea messageArea; | |
| 167 | |
| 168 private Point lastShellSize; | |
| 169 | |
| 170 private IPreferenceNode lastSuccessfulNode; | |
| 171 | |
| 172 /** | |
| 173 * The minimum page size; 400 by 400 by default. | |
| 174 * | |
| 175 * @see #setMinimumPageSize(Point) | |
| 176 */ | |
| 34 | 177 private Point minimumPageSize; |
| 9 | 178 |
| 179 /** | |
| 180 * The OK button. | |
| 181 */ | |
| 182 private Button okButton; | |
| 183 | |
| 184 /** | |
| 185 * The Composite in which a page is shown. | |
| 186 */ | |
| 187 private Composite pageContainer; | |
| 188 | |
| 189 /** | |
| 190 * The preference manager. | |
| 191 */ | |
| 192 private PreferenceManager preferenceManager; | |
| 193 | |
| 194 /** | |
| 195 * Flag for the presence of the error message. | |
| 196 */ | |
| 197 private bool showingError = false; | |
| 198 | |
| 199 /** | |
| 200 * Preference store, initially <code>null</code> meaning none. | |
| 201 * | |
| 202 * @see #setPreferenceStore | |
| 203 */ | |
| 204 private IPreferenceStore preferenceStore; | |
| 205 | |
| 206 private Composite titleArea; | |
| 207 | |
| 208 /** | |
| 209 * The tree viewer. | |
| 210 */ | |
| 211 private TreeViewer treeViewer; | |
| 212 | |
| 34 | 213 private ListenerList pageChangedListeners; |
| 9 | 214 |
| 215 /** | |
| 216 * Composite with a FormLayout to contain the title area | |
| 217 */ | |
| 218 Composite formTitleComposite; | |
| 219 | |
| 220 private ScrolledComposite scrolled; | |
| 221 | |
| 222 /** | |
| 223 * Creates a new preference dialog under the control of the given preference | |
| 224 * manager. | |
| 225 * | |
| 226 * @param parentShell | |
| 227 * the parent shell | |
| 228 * @param manager | |
| 229 * the preference manager | |
| 230 */ | |
| 34 | 231 public this(Shell parentShell, PreferenceManager manager) { |
| 232 minimumPageSize = new Point(400, 400); | |
| 233 pageChangedListeners = new ListenerList(); | |
| 9 | 234 super(parentShell); |
| 235 preferenceManager = manager; | |
| 236 } | |
| 237 | |
| 238 /* | |
| 239 * (non-Javadoc) | |
| 240 * | |
| 241 * @see dwtx.jface.dialogs.Dialog#buttonPressed(int) | |
| 242 */ | |
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243 protected override void buttonPressed(int buttonId) { |
| 9 | 244 switch (buttonId) { |
| 245 case IDialogConstants.OK_ID: { | |
| 246 okPressed(); | |
| 247 return; | |
| 248 } | |
| 249 case IDialogConstants.CANCEL_ID: { | |
| 250 cancelPressed(); | |
| 251 return; | |
| 252 } | |
| 253 case IDialogConstants.HELP_ID: { | |
| 254 helpPressed(); | |
| 255 return; | |
| 256 } | |
| 257 } | |
| 258 } | |
| 259 | |
| 260 /* | |
| 261 * (non-Javadoc) | |
| 262 * | |
| 263 * @see dwtx.jface.dialogs.Dialog#cancelPressed() | |
| 264 */ | |
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265 protected override void cancelPressed() { |
| 9 | 266 // Inform all pages that we are cancelling |
| 34 | 267 foreach( e; preferenceManager.getElements(PreferenceManager.PRE_ORDER)){ |
| 268 IPreferenceNode node = cast(IPreferenceNode) e; | |
| 9 | 269 if (getPage(node) !is null) { |
| 34 | 270 |
| 271 // this_: strange workaround for compiler error with dmd 1.028 in run() | |
| 39 | 272 SafeRunnable.run(new class(this,node) SafeRunnable { |
| 34 | 273 IPreferenceNode node_; |
| 39 | 274 PreferenceDialog this_; |
| 275 this(PreferenceDialog pd, IPreferenceNode b){ | |
| 276 this_=pd; | |
| 277 node_=b; | |
| 34 | 278 } |
| 9 | 279 public void run() { |
| 34 | 280 if (!this_.getPage(node_).performCancel()) { |
| 9 | 281 return; |
| 282 } | |
| 283 } | |
| 284 }); | |
| 285 } | |
| 286 } | |
| 287 setReturnCode(CANCEL); | |
| 288 close(); | |
| 289 } | |
| 290 | |
| 291 /** | |
| 292 * Clear the last selected node. This is so that we not chache the last | |
| 293 * selection in case of an error. | |
| 294 */ | |
| 295 void clearSelectedNode() { | |
| 296 setSelectedNodePreference(null); | |
| 297 } | |
| 298 | |
| 299 /* | |
| 300 * (non-Javadoc) | |
| 301 * | |
| 302 * @see dwtx.jface.window.Window#close() | |
| 303 */ | |
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304 public override bool close() { |
| 9 | 305 |
| 306 //Do this is in a SafeRunnable as it may run client code | |
| 34 | 307 SafeRunnable runnable = new class SafeRunnable{ |
| 9 | 308 /* (non-Javadoc) |
| 309 * @see dwtx.core.runtime.ISafeRunnable#run() | |
| 310 */ | |
| 34 | 311 public void run() { |
| 312 auto nodes = preferenceManager.getElements(PreferenceManager.PRE_ORDER); | |
| 9 | 313 for (int i = 0; i < nodes.size(); i++) { |
| 34 | 314 IPreferenceNode node = cast(IPreferenceNode) nodes.get(i); |
| 9 | 315 node.disposeResources(); |
| 316 } | |
| 317 | |
| 318 } | |
| 319 | |
| 320 /* (non-Javadoc) | |
| 321 * @see dwtx.jface.util.SafeRunnable#handleException(java.lang.Throwable) | |
| 322 */ | |
| 34 | 323 public void handleException(Exception e) { |
| 9 | 324 super.handleException(e); |
| 325 clearSelectedNode();//Do not cache a node with problems | |
| 326 } | |
| 327 }; | |
| 328 | |
| 329 SafeRunner.run(runnable); | |
| 330 | |
| 331 return super.close(); | |
| 332 } | |
| 333 | |
| 334 /* | |
| 335 * (non-Javadoc) | |
| 336 * | |
| 337 * @see dwtx.jface.window.Window#configureShell(dwt.widgets.Shell) | |
| 338 */ | |
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339 protected override void configureShell(Shell newShell) { |
| 9 | 340 super.configureShell(newShell); |
| 341 newShell.setText(JFaceResources.getString("PreferenceDialog.title")); //$NON-NLS-1$ | |
| 34 | 342 newShell.addShellListener(new class ShellAdapter { |
| 9 | 343 public void shellActivated(ShellEvent e) { |
| 344 if (lastShellSize is null) { | |
| 345 lastShellSize = getShell().getSize(); | |
| 346 } | |
| 347 } | |
| 348 | |
| 349 }); | |
| 350 | |
| 351 } | |
| 352 | |
| 353 /* | |
| 354 * (non-Javadoc) | |
| 355 * | |
| 356 * @see dwtx.jface.window.Window#constrainShellSize() | |
| 357 */ | |
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358 protected override void constrainShellSize() { |
| 9 | 359 super.constrainShellSize(); |
| 360 // record opening shell size | |
| 361 if (lastShellSize is null) { | |
| 362 lastShellSize = getShell().getSize(); | |
| 363 } | |
| 364 } | |
| 365 | |
| 366 /* | |
| 367 * (non-Javadoc) | |
| 368 * | |
| 369 * @see dwtx.jface.dialogs.Dialog#createButtonsForButtonBar(dwt.widgets.Composite) | |
| 370 */ | |
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371 protected override void createButtonsForButtonBar(Composite parent) { |
| 9 | 372 // create OK and Cancel buttons by default |
| 373 okButton = createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true); | |
| 374 getShell().setDefaultButton(okButton); | |
| 375 createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false); | |
| 376 } | |
| 377 | |
| 378 /* | |
| 379 * (non-Javadoc) | |
| 380 * | |
| 381 * @see dwtx.jface.window.Window#createContents(dwt.widgets.Composite) | |
| 382 */ | |
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383 protected override Control createContents(Composite parent) { |
| 34 | 384 Control[1] control; |
| 46 | 385 BusyIndicator.showWhile(getShell().getDisplay(), new class(parent,control) Runnable { |
| 34 | 386 Composite parent_; |
| 46 | 387 Control[] control_; |
| 388 this(Composite a,Control[] b){ | |
| 39 | 389 parent_=a; |
| 46 | 390 control_=b; |
| 34 | 391 } |
| 9 | 392 public void run() { |
| 46 | 393 control_[0] = callSuperCreateContents(parent_); |
| 9 | 394 // Add the first page |
| 395 selectSavedItem(); | |
| 396 } | |
| 397 }); | |
| 398 | |
| 399 return control[0]; | |
| 400 } | |
| 34 | 401 private Control callSuperCreateContents( Composite c ){ |
| 402 return super.createContents( c ); | |
| 403 } | |
| 9 | 404 /* |
| 405 * (non-Javadoc) | |
| 406 * | |
| 407 * @see dwtx.jface.dialogs.Dialog#createDialogArea(dwt.widgets.Composite) | |
| 408 */ | |
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409 protected override Control createDialogArea(Composite parent) { |
| 34 | 410 final Composite composite = cast(Composite) super.createDialogArea(parent); |
| 411 GridLayout parentLayout = (cast(GridLayout) composite.getLayout()); | |
| 9 | 412 parentLayout.numColumns = 4; |
| 413 parentLayout.marginHeight = 0; | |
| 414 parentLayout.marginWidth = 0; | |
| 415 parentLayout.verticalSpacing = 0; | |
| 416 parentLayout.horizontalSpacing = 0; | |
| 417 | |
| 418 composite.setBackground(parent.getDisplay().getSystemColor(DWT.COLOR_LIST_BACKGROUND)); | |
| 419 | |
| 420 Control treeControl = createTreeAreaContents(composite); | |
| 421 createSash(composite,treeControl); | |
| 422 | |
| 423 Label versep = new Label(composite, DWT.SEPARATOR | DWT.VERTICAL); | |
| 424 GridData verGd = new GridData(GridData.FILL_VERTICAL | GridData.GRAB_VERTICAL); | |
| 425 | |
| 426 versep.setLayoutData(verGd); | |
| 427 versep.setLayoutData(new GridData(DWT.LEFT, DWT.FILL, false, true)); | |
| 428 | |
| 429 Composite pageAreaComposite = new Composite(composite, DWT.NONE); | |
| 430 pageAreaComposite.setLayoutData(new GridData(GridData.FILL_BOTH)); | |
| 431 GridLayout layout = new GridLayout(1, true); | |
| 432 layout.marginHeight = 0; | |
| 433 layout.marginWidth = 0; | |
| 434 layout.verticalSpacing = 0; | |
| 435 pageAreaComposite.setLayout(layout); | |
| 436 | |
| 437 formTitleComposite = new Composite(pageAreaComposite, DWT.NONE); | |
| 438 FormLayout titleLayout = new FormLayout(); | |
| 439 titleLayout.marginWidth = 0; | |
| 440 titleLayout.marginHeight = 0; | |
| 441 formTitleComposite.setLayout(titleLayout); | |
| 442 | |
| 443 GridData titleGridData = new GridData(GridData.FILL_HORIZONTAL); | |
| 444 titleGridData.horizontalIndent = IDialogConstants.HORIZONTAL_MARGIN; | |
| 445 formTitleComposite.setLayoutData(titleGridData); | |
| 446 | |
| 447 // Build the title area and separator line | |
| 448 Composite titleComposite = new Composite(formTitleComposite, DWT.NONE); | |
| 449 layout = new GridLayout(); | |
| 450 layout.marginBottom = 5; | |
| 451 layout.marginHeight = 0; | |
| 452 layout.marginWidth = 0; | |
| 453 layout.horizontalSpacing = 0; | |
| 454 titleComposite.setLayout(layout); | |
| 455 | |
| 456 FormData titleFormData = new FormData(); | |
| 457 titleFormData.top = new FormAttachment(0,0); | |
| 458 titleFormData.left = new FormAttachment(0,0); | |
| 459 titleFormData.right = new FormAttachment(100,0); | |
| 460 titleFormData.bottom = new FormAttachment(100,0); | |
| 461 | |
| 462 titleComposite.setLayoutData(titleFormData); | |
| 463 createTitleArea(titleComposite); | |
| 464 | |
| 465 Label separator = new Label(pageAreaComposite, DWT.HORIZONTAL | DWT.SEPARATOR); | |
| 466 | |
| 467 separator.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL)); | |
| 468 | |
| 469 | |
| 470 // Build the Page container | |
| 471 pageContainer = createPageContainer(pageAreaComposite); | |
| 472 GridData pageContainerData = new GridData(GridData.FILL_BOTH); | |
| 473 pageContainerData.horizontalIndent = IDialogConstants.HORIZONTAL_MARGIN; | |
| 474 pageContainer.setLayoutData(pageContainerData); | |
| 475 // Build the separator line | |
| 476 Label bottomSeparator = new Label(parent, DWT.HORIZONTAL | DWT.SEPARATOR); | |
| 477 bottomSeparator.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL)); | |
| 478 return composite; | |
| 479 } | |
| 480 | |
| 481 /** | |
| 482 * Create the sash with right control on the right. Note | |
| 483 * that this method assumes GridData for the layout data | |
| 484 * of the rightControl. | |
| 485 * @param composite | |
| 486 * @param rightControl | |
| 487 * @return Sash | |
| 488 * | |
| 489 * @since 3.1 | |
| 490 */ | |
| 34 | 491 protected Sash createSash(Composite composite, Control rightControl) { |
| 492 Sash sash = new Sash(composite, DWT.VERTICAL); | |
| 9 | 493 sash.setLayoutData(new GridData(GridData.FILL_VERTICAL)); |
| 494 sash.setBackground(composite.getDisplay().getSystemColor(DWT.COLOR_LIST_BACKGROUND)); | |
| 495 // the following listener resizes the tree control based on sash deltas. | |
| 496 // If necessary, it will also grow/shrink the dialog. | |
| 39 | 497 sash.addListener(DWT.Selection, new class(composite,rightControl,sash) Listener { |
| 34 | 498 Composite composite_; |
| 499 Control rightControl_; | |
| 500 Sash sash_; | |
| 39 | 501 this(Composite a,Control b,Sash c){ |
| 502 composite_=a; | |
| 503 rightControl_=b; | |
| 504 sash_=c; | |
| 34 | 505 } |
| 9 | 506 /* |
| 507 * (non-Javadoc) | |
| 508 * | |
| 509 * @see dwt.widgets.Listener#handleEvent(dwt.widgets.Event) | |
| 510 */ | |
| 511 public void handleEvent(Event event) { | |
| 512 if (event.detail is DWT.DRAG) { | |
| 513 return; | |
| 514 } | |
| 34 | 515 int shift = event.x - sash_.getBounds().x; |
| 516 GridData data = cast(GridData) rightControl_.getLayoutData(); | |
| 9 | 517 int newWidthHint = data.widthHint + shift; |
| 518 if (newWidthHint < 20) { | |
| 519 return; | |
| 520 } | |
| 521 Point computedSize = getShell().computeSize(DWT.DEFAULT, DWT.DEFAULT); | |
| 522 Point currentSize = getShell().getSize(); | |
| 523 // if the dialog wasn't of a custom size we know we can shrink | |
| 524 // it if necessary based on sash movement. | |
| 34 | 525 bool customSize = !computedSize.opEquals(currentSize); |
| 9 | 526 data.widthHint = newWidthHint; |
| 527 setLastTreeWidth(newWidthHint); | |
| 34 | 528 composite_.layout(true); |
| 9 | 529 // recompute based on new widget size |
| 530 computedSize = getShell().computeSize(DWT.DEFAULT, DWT.DEFAULT); | |
| 531 // if the dialog was of a custom size then increase it only if | |
| 532 // necessary. | |
| 533 if (customSize) { | |
| 534 computedSize.x = Math.max(computedSize.x, currentSize.x); | |
| 535 } | |
| 536 computedSize.y = Math.max(computedSize.y, currentSize.y); | |
| 34 | 537 if (computedSize.opEquals(currentSize)) { |
| 9 | 538 return; |
| 539 } | |
| 540 setShellSize(computedSize.x, computedSize.y); | |
| 541 lastShellSize = getShell().getSize(); | |
| 542 } | |
| 543 }); | |
| 544 return sash; | |
| 545 } | |
| 546 | |
| 547 /** | |
| 548 * Creates the inner page container. | |
| 549 * | |
| 550 * @param parent | |
| 551 * @return Composite | |
| 552 */ | |
| 553 protected Composite createPageContainer(Composite parent) { | |
| 554 | |
| 555 Composite outer = new Composite(parent, DWT.NONE); | |
| 556 | |
| 557 GridData outerData = new GridData(GridData.FILL_BOTH | GridData.GRAB_HORIZONTAL | |
| 558 | GridData.GRAB_VERTICAL); | |
| 559 outerData.horizontalIndent = IDialogConstants.HORIZONTAL_MARGIN; | |
| 560 | |
| 561 outer.setLayout(new GridLayout()); | |
| 562 outer.setLayoutData(outerData); | |
| 563 | |
| 564 //Create an outer composite for spacing | |
| 565 scrolled = new ScrolledComposite(outer, DWT.V_SCROLL | DWT.H_SCROLL); | |
| 566 | |
| 567 scrolled.setExpandHorizontal(true); | |
| 568 scrolled.setExpandVertical(true); | |
| 569 | |
| 570 GridData scrolledData = new GridData(GridData.FILL_BOTH | GridData.GRAB_HORIZONTAL | |
| 571 | GridData.GRAB_VERTICAL); | |
| 572 | |
| 573 scrolled.setLayoutData(scrolledData); | |
| 574 | |
| 575 Composite result = new Composite(scrolled, DWT.NONE); | |
| 576 | |
| 577 GridData resultData = new GridData(GridData.FILL_BOTH | GridData.GRAB_HORIZONTAL | |
| 578 | GridData.GRAB_VERTICAL); | |
| 579 | |
| 580 result.setLayout(getPageLayout()); | |
| 581 result.setLayoutData(resultData); | |
| 582 | |
| 583 scrolled.setContent(result); | |
| 584 | |
| 585 return result; | |
| 586 } | |
| 587 | |
| 588 /** | |
| 589 * Return the layout for the composite that contains | |
| 590 * the pages. | |
| 591 * @return PageLayout | |
| 592 * | |
| 593 * @since 3.1 | |
| 594 */ | |
| 595 protected Layout getPageLayout() { | |
| 596 return new PageLayout(); | |
| 597 } | |
| 598 | |
| 599 /** | |
| 600 * Creates the wizard's title area. | |
| 601 * | |
| 602 * @param parent | |
| 603 * the DWT parent for the title area composite. | |
| 604 * @return the created title area composite. | |
| 605 */ | |
| 606 protected Composite createTitleArea(Composite parent) { | |
| 607 // Create the title area which will contain | |
| 608 // a title, message, and image. | |
| 609 int margins = 2; | |
| 610 titleArea = new Composite(parent, DWT.NONE); | |
| 611 FormLayout layout = new FormLayout(); | |
| 612 layout.marginHeight = 0; | |
| 613 layout.marginWidth = margins; | |
| 614 titleArea.setLayout(layout); | |
| 615 | |
| 616 | |
| 617 GridData layoutData = new GridData(GridData.FILL_HORIZONTAL); | |
| 618 layoutData.verticalAlignment = DWT.TOP; | |
| 619 titleArea.setLayoutData(layoutData); | |
| 620 | |
| 621 // Message label | |
| 622 messageArea = new DialogMessageArea(); | |
| 623 messageArea.createContents(titleArea); | |
| 624 | |
| 34 | 625 titleArea.addControlListener(new class ControlAdapter { |
| 9 | 626 /* (non-Javadoc) |
| 627 * @see dwt.events.ControlAdapter#controlResized(dwt.events.ControlEvent) | |
| 628 */ | |
| 629 public void controlResized(ControlEvent e) { | |
| 630 updateMessage(); | |
| 631 } | |
| 632 }); | |
| 633 | |
| 46 | 634 IPropertyChangeListener fontListener = new class IPropertyChangeListener { |
| 9 | 635 public void propertyChange(PropertyChangeEvent event) { |
| 636 if (JFaceResources.BANNER_FONT.equals(event.getProperty())) { | |
| 637 updateMessage(); | |
| 638 } | |
| 639 if (JFaceResources.DIALOG_FONT.equals(event.getProperty())) { | |
| 640 updateMessage(); | |
| 641 Font dialogFont = JFaceResources.getDialogFont(); | |
| 642 updateTreeFont(dialogFont); | |
| 34 | 643 Control[] children = (cast(Composite) buttonBar).getChildren(); |
| 9 | 644 for (int i = 0; i < children.length; i++) { |
| 645 children[i].setFont(dialogFont); | |
| 646 } | |
| 647 } | |
| 648 } | |
| 649 }; | |
| 650 | |
| 46 | 651 titleArea.addDisposeListener(new class(fontListener) DisposeListener { |
| 652 IPropertyChangeListener fontListener_; | |
| 653 this(IPropertyChangeListener a){ | |
| 654 fontListener_=a; | |
| 655 } | |
| 9 | 656 public void widgetDisposed(DisposeEvent event) { |
| 46 | 657 JFaceResources.getFontRegistry().removeListener(fontListener_); |
| 9 | 658 } |
| 659 }); | |
| 660 JFaceResources.getFontRegistry().addListener(fontListener); | |
| 661 messageArea.setTitleLayoutData(createMessageAreaData()); | |
| 662 messageArea.setMessageLayoutData(createMessageAreaData()); | |
| 663 return titleArea; | |
| 664 } | |
| 665 | |
| 666 /** | |
| 667 * Create the layout data for the message area. | |
| 668 * | |
| 669 * @return FormData for the message area. | |
| 670 */ | |
| 671 private FormData createMessageAreaData() { | |
| 672 FormData messageData = new FormData(); | |
| 673 messageData.top = new FormAttachment(0); | |
| 674 messageData.bottom = new FormAttachment(100); | |
| 675 messageData.right = new FormAttachment(100); | |
| 676 messageData.left = new FormAttachment(0); | |
| 677 return messageData; | |
| 678 } | |
| 679 | |
| 680 /** | |
| 681 * @param parent | |
| 682 * the DWT parent for the tree area controls. | |
| 683 * @return the new <code>Control</code>. | |
| 684 * @since 3.0 | |
| 685 */ | |
| 686 protected Control createTreeAreaContents(Composite parent) { | |
| 687 // Build the tree an put it into the composite. | |
| 688 treeViewer = createTreeViewer(parent); | |
| 689 treeViewer.setInput(getPreferenceManager()); | |
| 690 updateTreeFont(JFaceResources.getDialogFont()); | |
| 691 layoutTreeAreaControl(treeViewer.getControl()); | |
| 692 return treeViewer.getControl(); | |
| 693 } | |
| 694 | |
| 695 /** | |
| 696 * Create a new <code>TreeViewer</code>. | |
| 697 * | |
| 698 * @param parent | |
| 699 * the parent <code>Composite</code>. | |
| 700 * @return the <code>TreeViewer</code>. | |
| 701 * @since 3.0 | |
| 702 */ | |
| 703 protected TreeViewer createTreeViewer(Composite parent) { | |
| 704 final TreeViewer viewer = new TreeViewer(parent, DWT.NONE); | |
| 705 addListeners(viewer); | |
| 706 viewer.setLabelProvider(new PreferenceLabelProvider()); | |
| 707 viewer.setContentProvider(new PreferenceContentProvider()); | |
| 708 return viewer; | |
| 709 } | |
| 710 | |
| 711 /** | |
| 712 * Add the listeners to the tree viewer. | |
| 713 * @param viewer | |
| 714 * | |
| 715 * @since 3.1 | |
| 716 */ | |
| 34 | 717 protected void addListeners(TreeViewer viewer) { |
| 39 | 718 viewer.addPostSelectionChangedListener(new class(viewer) ISelectionChangedListener { |
| 34 | 719 TreeViewer viewer_; |
| 39 | 720 this(TreeViewer a){ |
| 721 viewer_=a; | |
| 34 | 722 } |
| 9 | 723 private void handleError() { |
| 724 try { | |
| 725 // remove the listener temporarily so that the events caused | |
| 726 // by the error handling dont further cause error handling | |
| 727 // to occur. | |
| 34 | 728 viewer_.removePostSelectionChangedListener(this); |
| 9 | 729 showPageFlippingAbortDialog(); |
| 730 selectCurrentPageAgain(); | |
| 731 clearSelectedNode(); | |
| 732 } finally { | |
| 34 | 733 viewer_.addPostSelectionChangedListener(this); |
| 9 | 734 } |
| 735 } | |
| 736 | |
| 737 public void selectionChanged(SelectionChangedEvent event) { | |
| 34 | 738 Object selection = cast(Object) getSingleSelection(event.getSelection()); |
| 739 if (cast(IPreferenceNode)selection ) { | |
| 90 | 740 BusyIndicator.showWhile(getShell().getDisplay(), new class(selection) Runnable { |
| 741 Object selection_; | |
| 742 this(Object o){ selection_=o; } | |
| 743 public void run() { | |
| 744 if (!isCurrentPageValid()) { | |
| 745 handleError(); | |
| 746 } else if (!showPage(cast(IPreferenceNode) selection_)) { | |
| 747 // Page flipping wasn't successful | |
| 748 handleError(); | |
| 749 } else { | |
| 750 // Everything went well | |
| 751 lastSuccessfulNode = cast(IPreferenceNode) selection_; | |
| 752 } | |
| 753 } | |
| 754 }); | |
| 9 | 755 } |
| 756 } | |
| 757 }); | |
| 39 | 758 (cast(Tree) viewer.getControl()).addSelectionListener(new class(viewer) SelectionAdapter { |
| 34 | 759 TreeViewer viewer_; |
| 39 | 760 this(TreeViewer a){ |
| 761 viewer_=a; | |
| 34 | 762 } |
| 763 public void widgetDefaultSelected(SelectionEvent event) { | |
| 764 ISelection selection = viewer_.getSelection(); | |
| 9 | 765 if (selection.isEmpty()) { |
| 766 return; | |
| 767 } | |
| 768 IPreferenceNode singleSelection = getSingleSelection(selection); | |
| 34 | 769 bool expanded = viewer_.getExpandedState(cast(Object)singleSelection); |
| 770 viewer_.setExpandedState(cast(Object)singleSelection, !expanded); | |
| 9 | 771 } |
| 772 }); | |
| 773 //Register help listener on the tree to use context sensitive help | |
| 34 | 774 viewer.getControl().addHelpListener(new class HelpListener { |
| 9 | 775 public void helpRequested(HelpEvent event) { |
| 776 // call perform help on the current page | |
| 777 if (currentPage !is null) { | |
| 778 currentPage.performHelp(); | |
| 779 } | |
| 780 } | |
| 781 }); | |
| 782 } | |
| 783 | |
| 784 /** | |
| 785 * Find the <code>IPreferenceNode</code> that has data the same id as the | |
| 786 * supplied value. | |
| 787 * | |
| 788 * @param nodeId | |
| 789 * the id to search for. | |
| 790 * @return <code>IPreferenceNode</code> or <code>null</code> if not | |
| 791 * found. | |
| 792 */ | |
| 793 protected IPreferenceNode findNodeMatching(String nodeId) { | |
| 34 | 794 foreach( e; preferenceManager.getElements(PreferenceManager.POST_ORDER)){ |
| 795 IPreferenceNode node = cast(IPreferenceNode) e; | |
| 9 | 796 if (node.getId().equals(nodeId)) { |
| 797 return node; | |
| 798 } | |
| 799 } | |
| 800 return null; | |
| 801 } | |
| 802 | |
| 803 /** | |
| 804 * Get the last known right side width. | |
| 805 * | |
| 806 * @return the width. | |
| 807 */ | |
| 808 protected int getLastRightWidth() { | |
| 809 return lastTreeWidth; | |
| 810 } | |
| 811 | |
| 812 /** | |
| 813 * Returns the preference mananger used by this preference dialog. | |
| 814 * | |
| 815 * @return the preference mananger | |
| 816 */ | |
| 817 public PreferenceManager getPreferenceManager() { | |
| 818 return preferenceManager; | |
| 819 } | |
| 820 | |
| 821 /* | |
| 822 * (non-Javadoc) | |
| 823 * | |
| 824 * @see dwtx.jface.preference.IPreferencePageContainer#getPreferenceStore() | |
| 825 */ | |
| 826 public IPreferenceStore getPreferenceStore() { | |
| 827 return preferenceStore; | |
| 828 } | |
| 829 | |
| 830 /** | |
| 831 * Get the name of the selected item preference | |
| 832 * | |
| 833 * @return String | |
| 834 */ | |
| 835 protected String getSelectedNodePreference() { | |
| 836 return lastPreferenceId; | |
| 837 } | |
| 838 | |
| 839 /** | |
| 840 * @param selection | |
| 841 * the <code>ISelection</code> to examine. | |
| 842 * @return the first element, or null if empty. | |
| 843 */ | |
| 844 protected IPreferenceNode getSingleSelection(ISelection selection) { | |
| 845 if (!selection.isEmpty()) { | |
| 34 | 846 IStructuredSelection structured = cast(IStructuredSelection) selection; |
| 847 if (cast(IPreferenceNode)structured.getFirstElement() ) { | |
| 848 return cast(IPreferenceNode) structured.getFirstElement(); | |
| 9 | 849 } |
| 850 } | |
| 851 return null; | |
| 852 } | |
| 853 | |
| 854 /** | |
| 855 * @return the <code>TreeViewer</code> for this dialog. | |
| 856 * @since 3.3 | |
| 857 */ | |
| 858 public TreeViewer getTreeViewer() { | |
| 859 return treeViewer; | |
| 860 } | |
| 861 | |
| 862 /** | |
| 863 * Save the values specified in the pages. | |
| 864 * <p> | |
| 865 * The default implementation of this framework method saves all pages of | |
| 866 * type <code>PreferencePage</code> (if their store needs saving and is a | |
| 867 * <code>PreferenceStore</code>). | |
| 868 * </p> | |
| 869 * <p> | |
| 870 * Subclasses may override. | |
| 871 * </p> | |
| 872 */ | |
| 873 protected void handleSave() { | |
| 34 | 874 foreach( e; preferenceManager.getElements(PreferenceManager.PRE_ORDER)){ |
| 875 IPreferenceNode node = cast(IPreferenceNode) e; | |
| 9 | 876 IPreferencePage page = node.getPage(); |
| 34 | 877 if (cast(PreferencePage)page ) { |
| 9 | 878 // Save now in case tbe workbench does not shutdown cleanly |
| 34 | 879 IPreferenceStore store = (cast(PreferencePage) page).getPreferenceStore(); |
| 9 | 880 if (store !is null && store.needsSaving() |
| 34 | 881 && cast(IPersistentPreferenceStore)store ) { |
| 9 | 882 try { |
| 34 | 883 (cast(IPersistentPreferenceStore) store).save(); |
| 9 | 884 } catch (IOException e) { |
|
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885 String message =JFaceResources.format( |
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886 "PreferenceDialog.saveErrorMessage", [ page.getTitle(), e.msg ]); //$NON-NLS-1$ |
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887 Policy.getStatusHandler().show( |
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888 new Status(IStatus.ERROR, Policy.JFACE, message, e), |
| 71 | 889 JFaceResources.getString("PreferenceDialog.saveErrorTitle")); //$NON-NLS-1$ |
| 890 | |
| 9 | 891 } |
| 892 } | |
| 893 } | |
| 894 } | |
| 895 } | |
| 896 | |
| 897 /** | |
| 898 * Notifies that the window's close button was pressed, the close menu was | |
| 899 * selected, or the ESCAPE key pressed. | |
| 900 * <p> | |
| 901 * The default implementation of this framework method sets the window's | |
| 902 * return code to <code>CANCEL</code> and closes the window using | |
| 903 * <code>close</code>. Subclasses may extend or reimplement. | |
| 904 * </p> | |
| 905 */ | |
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906 protected override void handleShellCloseEvent() { |
| 9 | 907 // handle the same as pressing cancel |
| 908 cancelPressed(); | |
| 909 } | |
| 910 | |
| 911 /** | |
| 912 * Notifies of the pressing of the Help button. | |
| 913 * <p> | |
| 914 * The default implementation of this framework method calls | |
| 915 * <code>performHelp</code> on the currently active page. | |
| 916 * </p> | |
| 917 */ | |
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918 protected /+override+/ void helpPressed() { |
| 9 | 919 if (currentPage !is null) { |
| 920 currentPage.performHelp(); | |
| 921 } | |
| 922 } | |
| 923 | |
| 924 /** | |
| 925 * Returns whether the current page is valid. | |
| 926 * | |
| 927 * @return <code>false</code> if the current page is not valid, or or | |
| 928 * <code>true</code> if the current page is valid or there is no | |
| 929 * current page | |
| 930 */ | |
| 931 protected bool isCurrentPageValid() { | |
| 932 if (currentPage is null) { | |
| 933 return true; | |
| 934 } | |
| 935 return currentPage.isValid(); | |
| 936 } | |
| 937 | |
| 938 /** | |
| 939 * @param control | |
| 940 * the <code>Control</code> to lay out. | |
| 941 * @since 3.0 | |
| 942 */ | |
| 943 protected void layoutTreeAreaControl(Control control) { | |
| 944 GridData gd = new GridData(GridData.FILL_VERTICAL); | |
| 945 gd.widthHint = getLastRightWidth(); | |
| 946 gd.verticalSpan = 1; | |
| 947 control.setLayoutData(gd); | |
| 948 } | |
| 949 | |
| 950 /** | |
| 951 * The preference dialog implementation of this <code>Dialog</code> | |
| 952 * framework method sends <code>performOk</code> to all pages of the | |
| 953 * preference dialog, then calls <code>handleSave</code> on this dialog to | |
| 954 * save any state, and then calls <code>close</code> to close this dialog. | |
| 955 */ | |
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956 protected override void okPressed() { |
| 34 | 957 SafeRunnable.run(new class SafeRunnable { |
| 9 | 958 private bool errorOccurred; |
| 959 | |
| 960 /* | |
| 961 * (non-Javadoc) | |
| 962 * | |
| 963 * @see dwtx.core.runtime.ISafeRunnable#run() | |
| 964 */ | |
| 965 public void run() { | |
| 966 getButton(IDialogConstants.OK_ID).setEnabled(false); | |
| 967 errorOccurred = false; | |
| 968 bool hasFailedOK = false; | |
| 969 try { | |
| 970 // Notify all the pages and give them a chance to abort | |
| 34 | 971 foreach( e; preferenceManager.getElements(PreferenceManager.PRE_ORDER)){ |
| 972 IPreferenceNode node = cast(IPreferenceNode) e; | |
| 9 | 973 IPreferencePage page = node.getPage(); |
| 974 if (page !is null) { | |
| 975 if (!page.performOk()){ | |
| 976 hasFailedOK = true; | |
| 977 return; | |
| 978 } | |
| 979 } | |
| 980 } | |
| 981 } catch (Exception e) { | |
| 982 handleException(e); | |
| 983 } finally { | |
| 984 //Don't bother closing if the OK failed | |
| 985 if(hasFailedOK){ | |
| 986 setReturnCode(FAILED); | |
| 987 getButton(IDialogConstants.OK_ID).setEnabled(true); | |
| 34 | 988 //return; |
| 9 | 989 } |
| 34 | 990 else{ |
| 9 | 991 |
| 34 | 992 if (!errorOccurred) { |
| 993 //Give subclasses the choice to save the state of the | |
| 994 //preference pages. | |
| 995 handleSave(); | |
| 996 } | |
| 997 setReturnCode(OK); | |
| 998 close(); | |
| 9 | 999 } |
| 1000 } | |
| 1001 } | |
| 1002 | |
| 1003 /* | |
| 1004 * (non-Javadoc) | |
| 1005 * | |
| 1006 * @see dwtx.core.runtime.ISafeRunnable#handleException(java.lang.Throwable) | |
| 1007 */ | |
| 34 | 1008 public void handleException(Exception e) { |
| 9 | 1009 errorOccurred = true; |
| 1010 | |
| 1011 Policy.getLog().log(new Status(IStatus.ERROR, Policy.JFACE, 0, e.toString(), e)); | |
| 1012 | |
| 1013 clearSelectedNode(); | |
| 1014 String message = JFaceResources.getString("SafeRunnable.errorMessage"); //$NON-NLS-1$ | |
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1015 |
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1016 Policy.getStatusHandler().show( |
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1017 new Status(IStatus.ERROR, Policy.JFACE, message, e), |
| 71 | 1018 JFaceResources.getString("Error")); //$NON-NLS-1$ |
| 9 | 1019 |
| 1020 } | |
| 1021 }); | |
| 1022 } | |
| 1023 | |
| 1024 /** | |
| 1025 * Selects the page determined by <code>lastSuccessfulNode</code> in the | |
| 1026 * page hierarchy. | |
| 1027 */ | |
| 1028 void selectCurrentPageAgain() { | |
| 1029 if (lastSuccessfulNode is null) { | |
| 1030 return; | |
| 1031 } | |
| 34 | 1032 getTreeViewer().setSelection(new StructuredSelection(cast(Object)lastSuccessfulNode)); |
| 9 | 1033 currentPage.setVisible(true); |
| 1034 } | |
| 1035 | |
| 1036 /** | |
| 1037 * Selects the saved item in the tree of preference pages. If it cannot do | |
| 1038 * this it saves the first one. | |
| 1039 */ | |
| 1040 protected void selectSavedItem() { | |
| 1041 IPreferenceNode node = findNodeMatching(getSelectedNodePreference()); | |
| 1042 if (node is null) { | |
| 1043 IPreferenceNode[] nodes = preferenceManager.getRootSubNodes(); | |
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1044 ViewerComparator comparator = getTreeViewer().getComparator(); |
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1045 if (comparator !is null) { |
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1046 comparator.sort(null, arraycast!(Object)(nodes)); |
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1047 } |
| 9 | 1048 ViewerFilter[] filters = getTreeViewer().getFilters(); |
| 1049 for (int i = 0; i < nodes.length; i++) { | |
| 1050 IPreferenceNode selectedNode = nodes[i]; | |
| 1051 // See if it passes all filters | |
| 1052 for (int j = 0; j < filters.length; j++) { | |
| 34 | 1053 if (!filters[j].select(this.treeViewer, cast(Object)preferenceManager |
| 1054 .getRoot_package(), cast(Object)selectedNode)) { | |
| 9 | 1055 selectedNode = null; |
| 1056 break; | |
| 1057 } | |
| 1058 } | |
| 1059 // if it passes all filters select it | |
| 1060 if (selectedNode !is null) { | |
| 1061 node = selectedNode; | |
| 1062 break; | |
| 1063 } | |
| 1064 } | |
| 1065 } | |
| 1066 if (node !is null) { | |
| 34 | 1067 getTreeViewer().setSelection(new StructuredSelection(cast(Object)node), true); |
| 9 | 1068 // Keep focus in tree. See bugs 2692, 2621, and 6775. |
| 1069 getTreeViewer().getControl().setFocus(); | |
| 1070 } | |
| 1071 } | |
| 1072 | |
| 1073 /** | |
| 1074 * Display the given error message. The currently displayed message is saved | |
| 1075 * and will be redisplayed when the error message is set to | |
| 1076 * <code>null</code>. | |
| 1077 * | |
| 1078 * @param newErrorMessage | |
| 1079 * the errorMessage to display or <code>null</code> | |
| 1080 */ | |
| 1081 public void setErrorMessage(String newErrorMessage) { | |
| 1082 if (newErrorMessage is null) { | |
| 1083 messageArea.clearErrorMessage(); | |
| 1084 } else { | |
| 1085 messageArea.updateText(newErrorMessage, IMessageProvider.ERROR); | |
| 1086 } | |
| 1087 } | |
| 1088 | |
| 1089 /** | |
| 1090 * Save the last known tree width. | |
| 1091 * | |
| 1092 * @param width | |
| 1093 * the width. | |
| 1094 */ | |
| 1095 private void setLastTreeWidth(int width) { | |
| 1096 lastTreeWidth = width; | |
| 1097 } | |
| 1098 | |
| 1099 /** | |
| 1100 * Set the message text. If the message line currently displays an error, | |
| 1101 * the message is stored and will be shown after a call to clearErrorMessage | |
| 1102 * <p> | |
| 1103 * Shortcut for <code>setMessage(newMessage, NONE)</code> | |
| 1104 * </p> | |
| 1105 * | |
| 1106 * @param newMessage | |
| 1107 * the message, or <code>null</code> to clear the message | |
| 1108 */ | |
| 1109 public void setMessage(String newMessage) { | |
| 1110 setMessage(newMessage, IMessageProvider.NONE); | |
| 1111 } | |
| 1112 | |
| 1113 /** | |
| 1114 * Sets the message for this dialog with an indication of what type of | |
| 1115 * message it is. | |
| 1116 * <p> | |
| 1117 * The valid message types are one of <code>NONE</code>, | |
| 1118 * <code>INFORMATION</code>,<code>WARNING</code>, or | |
| 1119 * <code>ERROR</code>. | |
| 1120 * </p> | |
| 1121 * <p> | |
| 1122 * Note that for backward compatibility, a message of type | |
| 1123 * <code>ERROR</code> is different than an error message (set using | |
| 1124 * <code>setErrorMessage</code>). An error message overrides the current | |
| 1125 * message until the error message is cleared. This method replaces the | |
| 1126 * current message and does not affect the error message. | |
| 1127 * </p> | |
| 1128 * | |
| 1129 * @param newMessage | |
| 1130 * the message, or <code>null</code> to clear the message | |
| 1131 * @param newType | |
| 1132 * the message type | |
| 1133 * @since 2.0 | |
| 1134 */ | |
| 1135 public void setMessage(String newMessage, int newType) { | |
| 1136 messageArea.updateText(newMessage, newType); | |
| 1137 } | |
| 1138 | |
| 1139 /** | |
| 1140 * Sets the minimum page size. | |
| 1141 * | |
| 1142 * @param minWidth | |
| 1143 * the minimum page width | |
| 1144 * @param minHeight | |
| 1145 * the minimum page height | |
| 1146 * @see #setMinimumPageSize(Point) | |
| 1147 */ | |
| 1148 public void setMinimumPageSize(int minWidth, int minHeight) { | |
| 1149 minimumPageSize.x = minWidth; | |
| 1150 minimumPageSize.y = minHeight; | |
| 1151 } | |
| 1152 | |
| 1153 /** | |
| 1154 * Sets the minimum page size. | |
| 1155 * | |
| 1156 * @param size | |
| 1157 * the page size encoded as <code>new Point(width,height)</code> | |
| 1158 * @see #setMinimumPageSize(int,int) | |
| 1159 */ | |
| 1160 public void setMinimumPageSize(Point size) { | |
| 1161 minimumPageSize.x = size.x; | |
| 1162 minimumPageSize.y = size.y; | |
| 1163 } | |
| 1164 | |
| 1165 /** | |
| 1166 * Sets the preference store for this preference dialog. | |
| 1167 * | |
| 1168 * @param store | |
| 1169 * the preference store | |
| 1170 * @see #getPreferenceStore | |
| 1171 */ | |
| 1172 public void setPreferenceStore(IPreferenceStore store) { | |
| 34 | 1173 Assert.isNotNull(cast(Object)store); |
| 9 | 1174 preferenceStore = store; |
| 1175 } | |
| 1176 | |
| 1177 /** | |
| 1178 * Save the currently selected node. | |
| 1179 */ | |
| 1180 private void setSelectedNode() { | |
| 1181 String storeValue = null; | |
| 34 | 1182 IStructuredSelection selection = cast(IStructuredSelection) getTreeViewer().getSelection(); |
| 9 | 1183 if (selection.size() is 1) { |
| 34 | 1184 IPreferenceNode node = cast(IPreferenceNode) selection.getFirstElement(); |
| 9 | 1185 storeValue = node.getId(); |
| 1186 } | |
| 1187 setSelectedNodePreference(storeValue); | |
| 1188 } | |
| 1189 | |
| 1190 /** | |
| 1191 * Sets the name of the selected item preference. Public equivalent to | |
| 1192 * <code>setSelectedNodePreference</code>. | |
| 1193 * | |
| 1194 * @param pageId | |
| 1195 * The identifier for the page | |
| 1196 * @since 3.0 | |
| 1197 */ | |
| 1198 public void setSelectedNode(String pageId) { | |
| 1199 setSelectedNodePreference(pageId); | |
| 1200 } | |
| 1201 | |
| 1202 /** | |
| 1203 * Sets the name of the selected item preference. | |
| 1204 * | |
| 1205 * @param pageId | |
| 1206 * The identifier for the page | |
| 1207 */ | |
| 1208 protected void setSelectedNodePreference(String pageId) { | |
| 1209 lastPreferenceId = pageId; | |
| 1210 } | |
| 1211 | |
| 1212 /** | |
| 1213 * Changes the shell size to the given size, ensuring that it is no larger | |
| 1214 * than the display bounds. | |
| 1215 * | |
| 1216 * @param width | |
| 1217 * the shell width | |
| 1218 * @param height | |
| 1219 * the shell height | |
| 1220 */ | |
| 1221 private void setShellSize(int width, int height) { | |
| 1222 Rectangle preferred = getShell().getBounds(); | |
| 1223 preferred.width = width; | |
| 1224 preferred.height = height; | |
| 1225 getShell().setBounds(getConstrainedShellBounds(preferred)); | |
| 1226 } | |
| 1227 | |
| 1228 /** | |
| 1229 * Shows the preference page corresponding to the given preference node. | |
| 1230 * Does nothing if that page is already current. | |
| 1231 * | |
| 1232 * @param node | |
| 1233 * the preference node, or <code>null</code> if none | |
| 1234 * @return <code>true</code> if the page flip was successful, and | |
| 1235 * <code>false</code> is unsuccessful | |
| 1236 */ | |
| 1237 protected bool showPage(IPreferenceNode node) { | |
| 1238 if (node is null) { | |
| 1239 return false; | |
| 1240 } | |
| 1241 // Create the page if nessessary | |
| 1242 if (node.getPage() is null) { | |
| 1243 createPage(node); | |
| 1244 } | |
| 1245 if (node.getPage() is null) { | |
| 1246 return false; | |
| 1247 } | |
| 1248 IPreferencePage newPage = getPage(node); | |
| 1249 if (newPage is currentPage) { | |
| 1250 return true; | |
| 1251 } | |
| 1252 if (currentPage !is null) { | |
| 1253 if (!currentPage.okToLeave()) { | |
| 1254 return false; | |
| 1255 } | |
| 1256 } | |
| 1257 IPreferencePage oldPage = currentPage; | |
| 1258 currentPage = newPage; | |
| 1259 // Set the new page's container | |
| 1260 currentPage.setContainer(this); | |
| 1261 // Ensure that the page control has been created | |
| 1262 // (this allows lazy page control creation) | |
| 1263 if (currentPage.getControl() is null) { | |
| 34 | 1264 bool[1] failed; failed[0] = false; |
| 46 | 1265 SafeRunnable.run(new class(failed) ISafeRunnable { |
| 1266 bool[] failed_; | |
| 1267 this(bool[] a){ | |
| 1268 this.failed_=a; | |
| 1269 } | |
| 34 | 1270 public void handleException(Exception e) { |
| 46 | 1271 this.failed_[0] = true; |
| 9 | 1272 } |
| 1273 | |
| 1274 public void run() { | |
| 1275 createPageControl(currentPage, pageContainer); | |
| 1276 } | |
| 1277 }); | |
| 1278 if (failed[0]) { | |
| 1279 return false; | |
| 1280 } | |
| 1281 // the page is responsible for ensuring the created control is | |
| 1282 // accessable | |
| 1283 // via getControl. | |
| 1284 Assert.isNotNull(currentPage.getControl()); | |
| 1285 } | |
| 1286 // Force calculation of the page's description label because | |
| 1287 // label can be wrapped. | |
| 46 | 1288 Point[1] size; |
| 1289 Point failed = new Point(-1, -1); | |
| 1290 SafeRunnable.run(new class(size,failed) ISafeRunnable { | |
| 1291 Point[] size_; | |
| 1292 Point failed_; | |
| 1293 this(Point[] a,Point b){ | |
| 1294 size_=a; | |
| 1295 failed_=b; | |
| 1296 } | |
| 34 | 1297 public void handleException(Exception e) { |
| 46 | 1298 size_[0] = failed_; |
| 9 | 1299 } |
| 1300 | |
| 1301 public void run() { | |
| 46 | 1302 size_[0] = currentPage.computeSize(); |
| 9 | 1303 } |
| 1304 }); | |
| 34 | 1305 if (size[0].opEquals(failed)) { |
| 9 | 1306 return false; |
| 1307 } | |
| 1308 Point contentSize = size[0]; | |
| 1309 // Do we need resizing. Computation not needed if the | |
| 1310 // first page is inserted since computing the dialog's | |
| 1311 // size is done by calling dialog.open(). | |
| 1312 // Also prevent auto resize if the user has manually resized | |
| 1313 Shell shell = getShell(); | |
| 1314 Point shellSize = shell.getSize(); | |
| 1315 if (oldPage !is null) { | |
| 1316 Rectangle rect = pageContainer.getClientArea(); | |
| 1317 Point containerSize = new Point(rect.width, rect.height); | |
| 1318 int hdiff = contentSize.x - containerSize.x; | |
| 1319 int vdiff = contentSize.y - containerSize.y; | |
| 34 | 1320 if ((hdiff > 0 || vdiff > 0) && shellSize.opEquals(lastShellSize)) { |
| 9 | 1321 hdiff = Math.max(0, hdiff); |
| 1322 vdiff = Math.max(0, vdiff); | |
| 1323 setShellSize(shellSize.x + hdiff, shellSize.y + vdiff); | |
| 1324 lastShellSize = shell.getSize(); | |
| 1325 if (currentPage.getControl().getSize().x is 0) { | |
| 1326 currentPage.getControl().setSize(containerSize); | |
| 1327 } | |
| 1328 | |
| 1329 } else { | |
| 1330 currentPage.setSize(containerSize); | |
| 1331 } | |
| 1332 } | |
| 1333 | |
| 1334 scrolled.setMinSize(contentSize); | |
| 1335 // Ensure that all other pages are invisible | |
| 1336 // (including ones that triggered an exception during | |
| 1337 // their creation). | |
| 1338 Control[] children = pageContainer.getChildren(); | |
| 1339 Control currentControl = currentPage.getControl(); | |
| 1340 for (int i = 0; i < children.length; i++) { | |
| 1341 if (children[i] !is currentControl) { | |
| 1342 children[i].setVisible(false); | |
| 1343 } | |
| 1344 } | |
| 1345 // Make the new page visible | |
| 1346 currentPage.setVisible(true); | |
| 1347 if (oldPage !is null) { | |
| 1348 oldPage.setVisible(false); | |
| 1349 } | |
| 1350 // update the dialog controls | |
| 1351 update(); | |
| 1352 return true; | |
| 1353 } | |
| 1354 | |
| 1355 /** | |
| 1356 * Create the page for the node. | |
| 1357 * @param node | |
| 1358 * | |
| 1359 * @since 3.1 | |
| 1360 */ | |
| 1361 protected void createPage(IPreferenceNode node) { | |
| 1362 node.createPage(); | |
| 1363 } | |
| 1364 | |
| 1365 /** | |
| 1366 * Get the page for the node. | |
| 1367 * @param node | |
| 1368 * @return IPreferencePage | |
| 1369 * | |
| 1370 * @since 3.1 | |
| 1371 */ | |
| 1372 protected IPreferencePage getPage(IPreferenceNode node) { | |
| 1373 return node.getPage(); | |
| 1374 } | |
| 1375 | |
| 1376 /** | |
| 1377 * Shows the "Page Flipping abort" dialog. | |
| 1378 */ | |
| 1379 void showPageFlippingAbortDialog() { | |
| 1380 MessageDialog.openError(getShell(), JFaceResources | |
| 1381 .getString("AbortPageFlippingDialog.title"), //$NON-NLS-1$ | |
| 1382 JFaceResources.getString("AbortPageFlippingDialog.message")); //$NON-NLS-1$ | |
| 1383 } | |
| 1384 | |
| 1385 /** | |
| 1386 * Updates this dialog's controls to reflect the current page. | |
| 1387 */ | |
| 1388 protected void update() { | |
| 1389 // Update the title bar | |
| 1390 updateTitle(); | |
| 1391 // Update the message line | |
| 1392 updateMessage(); | |
| 1393 // Update the buttons | |
| 1394 updateButtons(); | |
| 1395 //Saved the selected node in the preferences | |
| 1396 setSelectedNode(); | |
| 34 | 1397 firePageChanged(new PageChangedEvent(this, cast(Object)getCurrentPage())); |
| 9 | 1398 } |
| 1399 | |
| 1400 /* | |
| 1401 * (non-Javadoc) | |
| 1402 * | |
| 1403 * @see dwtx.jface.preference.IPreferencePageContainer#updateButtons() | |
| 1404 */ | |
| 1405 public void updateButtons() { | |
| 1406 okButton.setEnabled(isCurrentPageValid()); | |
| 1407 } | |
| 1408 | |
| 1409 /* | |
| 1410 * (non-Javadoc) | |
| 1411 * | |
| 1412 * @see dwtx.jface.preference.IPreferencePageContainer#updateMessage() | |
| 1413 */ | |
| 1414 public void updateMessage() { | |
| 1415 String message = null; | |
| 1416 String errorMessage = null; | |
| 1417 if(currentPage !is null){ | |
| 1418 message = currentPage.getMessage(); | |
| 1419 errorMessage = currentPage.getErrorMessage(); | |
| 1420 } | |
| 1421 int messageType = IMessageProvider.NONE; | |
| 34 | 1422 if (message !is null && cast(IMessageProvider)currentPage ) { |
| 1423 messageType = (cast(IMessageProvider) currentPage).getMessageType(); | |
| 9 | 1424 } |
| 1425 | |
| 1426 if (errorMessage is null){ | |
| 1427 if (showingError) { | |
| 1428 // we were previously showing an error | |
| 1429 showingError = false; | |
| 1430 } | |
| 1431 } | |
| 1432 else { | |
| 1433 message = errorMessage; | |
| 1434 messageType = IMessageProvider.ERROR; | |
| 1435 if (!showingError) { | |
| 1436 // we were not previously showing an error | |
| 1437 showingError = true; | |
| 1438 } | |
| 1439 } | |
| 1440 messageArea.updateText(message,messageType); | |
| 1441 } | |
| 1442 | |
| 1443 /* | |
| 1444 * (non-Javadoc) | |
| 1445 * | |
| 1446 * @see dwtx.jface.preference.IPreferencePageContainer#updateTitle() | |
| 1447 */ | |
| 1448 public void updateTitle() { | |
| 1449 if(currentPage is null) { | |
| 1450 return; | |
| 1451 } | |
| 1452 messageArea.showTitle(currentPage.getTitle(), currentPage.getImage()); | |
| 1453 } | |
| 1454 | |
| 1455 /** | |
| 1456 * Update the tree to use the specified <code>Font</code>. | |
| 1457 * | |
| 1458 * @param dialogFont | |
| 1459 * the <code>Font</code> to use. | |
| 1460 * @since 3.0 | |
| 1461 */ | |
| 1462 protected void updateTreeFont(Font dialogFont) { | |
| 1463 getTreeViewer().getControl().setFont(dialogFont); | |
| 1464 } | |
| 1465 | |
| 1466 /** | |
| 1467 * Returns the currentPage. | |
| 1468 * @return IPreferencePage | |
| 1469 * @since 3.1 | |
| 1470 */ | |
| 1471 protected IPreferencePage getCurrentPage() { | |
| 1472 return currentPage; | |
| 1473 } | |
| 1474 | |
| 1475 /** | |
| 1476 * Sets the current page. | |
| 1477 * @param currentPage | |
| 1478 * | |
| 1479 * @since 3.1 | |
| 1480 */ | |
| 1481 protected void setCurrentPage(IPreferencePage currentPage) { | |
| 1482 this.currentPage = currentPage; | |
| 1483 } | |
| 1484 | |
| 1485 /** | |
| 1486 * Set the treeViewer. | |
| 1487 * @param treeViewer | |
| 1488 * | |
| 1489 * @since 3.1 | |
| 1490 */ | |
| 1491 protected void setTreeViewer(TreeViewer treeViewer) { | |
| 1492 this.treeViewer = treeViewer; | |
| 1493 } | |
| 1494 | |
| 1495 /** | |
| 1496 * Get the composite that is showing the page. | |
| 1497 * | |
| 1498 * @return Composite. | |
| 1499 * | |
| 1500 * @since 3.1 | |
| 1501 */ | |
| 1502 protected Composite getPageContainer() { | |
| 1503 return this.pageContainer; | |
| 1504 } | |
| 1505 | |
| 1506 /** | |
| 1507 * Set the composite that is showing the page. | |
| 1508 * @param pageContainer Composite | |
| 1509 * | |
| 1510 * @since 3.1 | |
| 1511 */ | |
| 1512 protected void setPageContainer(Composite pageContainer) { | |
| 1513 this.pageContainer = pageContainer; | |
| 1514 } | |
| 1515 /** | |
| 1516 * Create the page control for the supplied page. | |
| 1517 * | |
| 1518 * @param page - the preference page to be shown | |
| 1519 * @param parent - the composite to parent the page | |
| 1520 * | |
| 1521 * @since 3.1 | |
| 1522 */ | |
| 1523 protected void createPageControl(IPreferencePage page, Composite parent) { | |
| 1524 page.createControl(parent); | |
| 1525 } | |
| 1526 | |
| 1527 /** | |
| 1528 * @see dwtx.jface.dialogs.IPageChangeProvider#getSelectedPage() | |
| 1529 * | |
| 1530 * @since 3.1 | |
| 1531 */ | |
| 1532 public Object getSelectedPage() { | |
| 34 | 1533 return cast(Object)getCurrentPage(); |
| 9 | 1534 } |
| 1535 | |
| 1536 /** | |
| 1537 * @see dwtx.jface.dialogs.IPageChangeProvider#addPageChangedListener(dwtx.jface.dialogs.IPageChangedListener) | |
| 1538 * @since 3.1 | |
| 1539 */ | |
| 1540 public void addPageChangedListener(IPageChangedListener listener) { | |
| 34 | 1541 pageChangedListeners.add(cast(Object)listener); |
| 9 | 1542 } |
| 1543 | |
| 1544 /** | |
| 1545 * @see dwtx.jface.dialogs.IPageChangeProvider#removePageChangedListener(dwtx.jface.dialogs.IPageChangedListener) | |
| 1546 * @since 3.1 | |
| 1547 */ | |
| 1548 public void removePageChangedListener(IPageChangedListener listener) { | |
| 34 | 1549 pageChangedListeners.remove(cast(Object)listener); |
| 9 | 1550 |
| 1551 } | |
| 1552 | |
| 1553 /** | |
| 1554 * Notifies any selection changed listeners that the selected page | |
| 1555 * has changed. | |
| 1556 * Only listeners registered at the time this method is called are notified. | |
| 1557 * | |
| 1558 * @param event a selection changed event | |
| 1559 * | |
| 1560 * @see IPageChangedListener#pageChanged | |
| 1561 * | |
| 1562 * @since 3.1 | |
| 1563 */ | |
| 34 | 1564 protected void firePageChanged(PageChangedEvent event) { |
| 9 | 1565 Object[] listeners = pageChangedListeners.getListeners(); |
| 1566 for (int i = 0; i < listeners.length; i++) { | |
| 39 | 1567 SafeRunnable.run(new class(event,cast(IPageChangedListener) listeners[i]) SafeRunnable { |
| 34 | 1568 PageChangedEvent event_; |
| 1569 IPageChangedListener l; | |
| 39 | 1570 this(PageChangedEvent a,IPageChangedListener b){ |
| 1571 event_=a; | |
| 1572 l =b ; | |
| 34 | 1573 } |
| 9 | 1574 public void run() { |
| 34 | 1575 l.pageChanged(event_); |
| 9 | 1576 } |
| 1577 }); | |
| 1578 } | |
| 1579 } | |
| 71 | 1580 |
|
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1581 /* |
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1582 * (non-Javadoc) |
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1583 * @see dwtx.jface.dialogs.Dialog#isResizable() |
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1584 */ |
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1585 protected bool isResizable() { |
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|
1586 return true; |
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1587 } |
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1588 |
| 9 | 1589 } |