Mercurial > projects > dwt-addons
annotate dwtx/jface/wizard/WizardDialog.d @ 183:c36336245fb1
Fix anon class problem
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sat, 18 Oct 2008 15:01:42 +0200 |
| parents | a521c486e142 |
| children | c3583c6ec027 |
| rev | line source |
|---|---|
| 8 | 1 /******************************************************************************* |
|
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changeset
|
2 * Copyright (c) 2000, 2008 IBM Corporation and others. |
| 8 | 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 * Chris Gross (schtoo@schtoo.com) - patch for bug 16179 | |
| 11 * Port to the D programming language: | |
| 12 * Frank Benoit <benoit@tionex.de> | |
| 13 *******************************************************************************/ | |
| 14 module dwtx.jface.wizard.WizardDialog; | |
| 15 | |
| 35 | 16 import dwtx.jface.wizard.IWizardContainer2; |
| 17 import dwtx.jface.wizard.IWizard; | |
| 18 import dwtx.jface.wizard.IWizardPage; | |
| 19 import dwtx.jface.wizard.ProgressMonitorPart; | |
| 8 | 20 |
| 35 | 21 // import java.lang.reflect.InvocationTargetException; |
| 22 // import java.util.HashMap; | |
| 23 // import java.util.Map; | |
| 8 | 24 |
| 25 import dwt.DWT; | |
| 26 import dwt.custom.BusyIndicator; | |
| 27 import dwt.events.HelpEvent; | |
| 28 import dwt.events.HelpListener; | |
| 29 import dwt.events.SelectionAdapter; | |
| 30 import dwt.events.SelectionEvent; | |
| 31 import dwt.graphics.Cursor; | |
| 32 import dwt.graphics.Point; | |
| 33 import dwt.graphics.Rectangle; | |
| 34 import dwt.layout.GridData; | |
| 35 import dwt.layout.GridLayout; | |
| 36 import dwt.widgets.Button; | |
| 37 import dwt.widgets.Composite; | |
| 38 import dwt.widgets.Control; | |
| 39 import dwt.widgets.Display; | |
| 40 import dwt.widgets.Label; | |
| 41 import dwt.widgets.Layout; | |
| 42 import dwt.widgets.Shell; | |
| 43 import dwtx.core.runtime.Assert; | |
| 44 import dwtx.core.runtime.IProgressMonitor; | |
| 45 import dwtx.core.runtime.IStatus; | |
| 46 import dwtx.core.runtime.ListenerList; | |
| 47 import dwtx.jface.dialogs.ControlEnableState; | |
| 48 import dwtx.jface.dialogs.IDialogConstants; | |
| 49 import dwtx.jface.dialogs.IMessageProvider; | |
| 50 import dwtx.jface.dialogs.IPageChangeProvider; | |
| 51 import dwtx.jface.dialogs.IPageChangedListener; | |
| 52 import dwtx.jface.dialogs.IPageChangingListener; | |
| 53 import dwtx.jface.dialogs.MessageDialog; | |
| 54 import dwtx.jface.dialogs.PageChangedEvent; | |
| 55 import dwtx.jface.dialogs.PageChangingEvent; | |
| 56 import dwtx.jface.dialogs.TitleAreaDialog; | |
| 57 import dwtx.jface.operation.IRunnableWithProgress; | |
| 58 import dwtx.jface.operation.ModalContext; | |
| 59 import dwtx.jface.resource.JFaceResources; | |
| 60 import dwtx.jface.util.SafeRunnable; | |
| 61 | |
| 35 | 62 import dwt.dwthelper.utils; |
|
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63 import dwtx.dwtxhelper.Collection; |
| 35 | 64 import dwt.dwthelper.Runnable; |
| 65 | |
| 8 | 66 /** |
| 67 * A dialog to show a wizard to the end user. | |
| 68 * <p> | |
| 69 * In typical usage, the client instantiates this class with a particular | |
| 70 * wizard. The dialog serves as the wizard container and orchestrates the | |
| 71 * presentation of its pages. | |
| 72 * <p> | |
| 73 * The standard layout is roughly as follows: it has an area at the top | |
| 74 * containing both the wizard's title, description, and image; the actual wizard | |
| 75 * page appears in the middle; below that is a progress indicator (which is made | |
| 76 * visible if needed); and at the bottom of the page is message line and a | |
| 77 * button bar containing Help, Next, Back, Finish, and Cancel buttons (or some | |
| 78 * subset). | |
| 79 * </p> | |
| 80 * <p> | |
| 81 * Clients may subclass <code>WizardDialog</code>, although this is rarely | |
| 82 * required. | |
| 83 * </p> | |
| 84 */ | |
| 35 | 85 public class WizardDialog : TitleAreaDialog, IWizardContainer2, |
| 8 | 86 IPageChangeProvider { |
| 87 /** | |
| 88 * Image registry key for error message image (value | |
| 89 * <code>"dialog_title_error_image"</code>). | |
| 90 */ | |
| 35 | 91 public static const String WIZ_IMG_ERROR = "dialog_title_error_image"; //$NON-NLS-1$ |
| 8 | 92 |
| 93 // The wizard the dialog is currently showing. | |
| 94 private IWizard wizard; | |
| 95 | |
| 96 // Wizards to dispose | |
|
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97 private ArrayList createdWizards; |
| 8 | 98 |
| 99 // Current nested wizards | |
|
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100 private ArrayList nestedWizards; |
| 8 | 101 |
| 102 // The currently displayed page. | |
| 103 private IWizardPage currentPage = null; | |
| 104 | |
| 105 // The number of long running operation executed from the dialog. | |
| 106 private long activeRunningOperations = 0; | |
| 107 | |
| 108 // The current page message and description | |
| 109 private String pageMessage; | |
| 110 | |
| 111 private int pageMessageType = IMessageProvider.NONE; | |
| 112 | |
| 113 private String pageDescription; | |
| 114 | |
| 115 // The progress monitor | |
| 116 private ProgressMonitorPart progressMonitorPart; | |
| 117 | |
| 118 private Cursor waitCursor; | |
| 119 | |
| 120 private Cursor arrowCursor; | |
| 121 | |
| 122 private MessageDialog windowClosingDialog; | |
| 123 | |
| 124 // Navigation buttons | |
| 125 private Button backButton; | |
| 126 | |
| 127 private Button nextButton; | |
| 128 | |
| 129 private Button finishButton; | |
| 130 | |
| 131 private Button cancelButton; | |
| 132 | |
| 133 private Button helpButton; | |
| 134 | |
| 135 private SelectionAdapter cancelListener; | |
| 136 | |
| 137 private bool isMovingToPreviousPage = false; | |
| 138 | |
| 139 private Composite pageContainer; | |
| 140 | |
| 35 | 141 private PageContainerFillLayout pageContainerLayout; |
| 8 | 142 |
| 143 private int pageWidth = DWT.DEFAULT; | |
| 144 | |
| 145 private int pageHeight = DWT.DEFAULT; | |
| 146 | |
| 35 | 147 private static const String FOCUS_CONTROL = "focusControl"; //$NON-NLS-1$ |
| 8 | 148 |
| 149 private bool lockedUI = false; | |
| 150 | |
| 35 | 151 private ListenerList pageChangedListeners; |
| 8 | 152 |
| 35 | 153 private ListenerList pageChangingListeners; |
| 8 | 154 |
| 155 /** | |
| 156 * A layout for a container which includes several pages, like a notebook, | |
| 157 * wizard, or preference dialog. The size computed by this layout is the | |
| 158 * maximum width and height of all pages currently inserted into the | |
| 159 * container. | |
| 160 */ | |
| 35 | 161 protected class PageContainerFillLayout : Layout { |
| 8 | 162 /** |
| 163 * The margin width; <code>5</code> pixels by default. | |
| 164 */ | |
| 165 public int marginWidth = 5; | |
| 166 | |
| 167 /** | |
| 168 * The margin height; <code>5</code> pixels by default. | |
| 169 */ | |
| 170 public int marginHeight = 5; | |
| 171 | |
| 172 /** | |
| 173 * The minimum width; <code>0</code> pixels by default. | |
| 174 */ | |
| 175 public int minimumWidth = 0; | |
| 176 | |
| 177 /** | |
| 178 * The minimum height; <code>0</code> pixels by default. | |
| 179 */ | |
| 180 public int minimumHeight = 0; | |
| 181 | |
| 182 /** | |
| 183 * Creates new layout object. | |
| 184 * | |
| 185 * @param mw | |
| 186 * the margin width | |
| 187 * @param mh | |
| 188 * the margin height | |
| 189 * @param minW | |
| 190 * the minimum width | |
| 191 * @param minH | |
| 192 * the minimum height | |
| 193 */ | |
| 35 | 194 public this(int mw, int mh, int minW, int minH) { |
| 8 | 195 marginWidth = mw; |
| 196 marginHeight = mh; | |
| 197 minimumWidth = minW; | |
| 198 minimumHeight = minH; | |
| 199 } | |
| 200 | |
| 201 /* | |
| 202 * (non-Javadoc) Method declared on Layout. | |
| 203 */ | |
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204 public override Point computeSize(Composite composite, int wHint, int hHint, |
| 8 | 205 bool force) { |
| 206 if (wHint !is DWT.DEFAULT && hHint !is DWT.DEFAULT) { | |
| 207 return new Point(wHint, hHint); | |
| 208 } | |
| 209 Point result = null; | |
| 210 Control[] children = composite.getChildren(); | |
| 211 if (children.length > 0) { | |
| 212 result = new Point(0, 0); | |
| 213 for (int i = 0; i < children.length; i++) { | |
| 214 Point cp = children[i].computeSize(wHint, hHint, force); | |
| 215 result.x = Math.max(result.x, cp.x); | |
| 216 result.y = Math.max(result.y, cp.y); | |
| 217 } | |
| 218 result.x = result.x + 2 * marginWidth; | |
| 219 result.y = result.y + 2 * marginHeight; | |
| 220 } else { | |
| 221 Rectangle rect = composite.getClientArea(); | |
| 222 result = new Point(rect.width, rect.height); | |
| 223 } | |
| 224 result.x = Math.max(result.x, minimumWidth); | |
| 225 result.y = Math.max(result.y, minimumHeight); | |
| 226 if (wHint !is DWT.DEFAULT) { | |
| 227 result.x = wHint; | |
| 228 } | |
| 229 if (hHint !is DWT.DEFAULT) { | |
| 230 result.y = hHint; | |
| 231 } | |
| 232 return result; | |
| 233 } | |
| 234 | |
| 235 /** | |
| 236 * Returns the client area for the given composite according to this | |
| 237 * layout. | |
| 238 * | |
| 239 * @param c | |
| 240 * the composite | |
| 241 * @return the client area rectangle | |
| 242 */ | |
| 243 public Rectangle getClientArea(Composite c) { | |
| 244 Rectangle rect = c.getClientArea(); | |
| 245 rect.x = rect.x + marginWidth; | |
| 246 rect.y = rect.y + marginHeight; | |
| 247 rect.width = rect.width - 2 * marginWidth; | |
| 248 rect.height = rect.height - 2 * marginHeight; | |
| 249 return rect; | |
| 250 } | |
| 251 | |
| 252 /* | |
| 253 * (non-Javadoc) Method declared on Layout. | |
| 254 */ | |
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255 public override void layout(Composite composite, bool force) { |
| 8 | 256 Rectangle rect = getClientArea(composite); |
| 257 Control[] children = composite.getChildren(); | |
| 258 for (int i = 0; i < children.length; i++) { | |
| 259 children[i].setBounds(rect); | |
| 260 } | |
| 261 } | |
| 262 | |
| 263 /** | |
| 264 * Lays outs the page according to this layout. | |
| 265 * | |
| 266 * @param w | |
| 267 * the control | |
| 268 */ | |
| 269 public void layoutPage(Control w) { | |
| 270 w.setBounds(getClientArea(w.getParent())); | |
| 271 } | |
| 272 | |
| 273 /** | |
| 274 * Sets the location of the page so that its origin is in the upper left | |
| 275 * corner. | |
| 276 * | |
| 277 * @param w | |
| 278 * the control | |
| 279 */ | |
| 280 public void setPageLocation(Control w) { | |
| 281 w.setLocation(marginWidth, marginHeight); | |
| 282 } | |
| 283 } | |
| 284 | |
| 285 /** | |
| 286 * Creates a new wizard dialog for the given wizard. | |
| 287 * | |
| 288 * @param parentShell | |
| 289 * the parent shell | |
| 290 * @param newWizard | |
| 291 * the wizard this dialog is working on | |
| 292 */ | |
| 35 | 293 public this(Shell parentShell, IWizard newWizard) { |
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294 pageContainerLayout = new PageContainerFillLayout( 5, 5, 300, 225); |
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04b47443bb01
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parents:
71
diff
changeset
|
295 createdWizards = new ArrayList(); |
|
04b47443bb01
Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
Frank Benoit <benoit@tionex.de>
parents:
71
diff
changeset
|
296 nestedWizards = new ArrayList(); |
| 35 | 297 pageChangedListeners = new ListenerList(); |
| 298 pageChangingListeners = new ListenerList(); | |
| 299 | |
| 8 | 300 super(parentShell); |
| 301 setShellStyle(DWT.CLOSE | DWT.MAX | DWT.TITLE | DWT.BORDER | |
| 302 | DWT.APPLICATION_MODAL | DWT.RESIZE | getDefaultOrientation()); | |
| 303 setWizard(newWizard); | |
| 304 // since VAJava can't initialize an instance var with an anonymous | |
| 305 // class outside a constructor we do it here: | |
| 35 | 306 cancelListener = new class SelectionAdapter { |
| 8 | 307 public void widgetSelected(SelectionEvent e) { |
| 308 cancelPressed(); | |
| 309 } | |
| 310 }; | |
| 311 } | |
| 312 | |
| 313 /** | |
| 314 * About to start a long running operation triggered through the wizard. | |
| 315 * Shows the progress monitor and disables the wizard's buttons and | |
| 316 * controls. | |
| 317 * | |
| 318 * @param enableCancelButton | |
| 319 * <code>true</code> if the Cancel button should be enabled, | |
| 320 * and <code>false</code> if it should be disabled | |
| 321 * @return the saved UI state | |
| 322 */ | |
| 323 private Object aboutToStart(bool enableCancelButton) { | |
|
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parents:
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diff
changeset
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324 Map savedState = null; |
| 8 | 325 if (getShell() !is null) { |
| 326 // Save focus control | |
| 327 Control focusControl = getShell().getDisplay().getFocusControl(); | |
| 328 if (focusControl !is null && focusControl.getShell() !is getShell()) { | |
| 329 focusControl = null; | |
| 330 } | |
| 331 bool needsProgressMonitor = wizard.needsProgressMonitor(); | |
| 332 cancelButton.removeSelectionListener(cancelListener); | |
| 333 // Set the busy cursor to all shells. | |
| 334 Display d = getShell().getDisplay(); | |
| 335 waitCursor = new Cursor(d, DWT.CURSOR_WAIT); | |
| 336 setDisplayCursor(waitCursor); | |
| 337 // Set the arrow cursor to the cancel component. | |
| 338 arrowCursor = new Cursor(d, DWT.CURSOR_ARROW); | |
| 339 cancelButton.setCursor(arrowCursor); | |
| 340 // Deactivate shell | |
| 341 savedState = saveUIState(needsProgressMonitor && enableCancelButton); | |
| 342 if (focusControl !is null) { | |
|
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Frank Benoit <benoit@tionex.de>
parents:
71
diff
changeset
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343 savedState.put(stringcast(FOCUS_CONTROL), focusControl); |
| 8 | 344 } |
| 345 // Attach the progress monitor part to the cancel button | |
| 346 if (needsProgressMonitor) { | |
| 347 progressMonitorPart.attachToCancelComponent(cancelButton); | |
| 348 progressMonitorPart.setVisible(true); | |
| 349 } | |
| 350 } | |
| 35 | 351 return cast(Object) savedState; |
| 8 | 352 } |
| 353 | |
| 354 /** | |
| 355 * The Back button has been pressed. | |
| 356 */ | |
| 357 protected void backPressed() { | |
| 358 IWizardPage page = currentPage.getPreviousPage(); | |
| 359 if (page is null) { | |
| 360 // should never happen since we have already visited the page | |
| 361 return; | |
| 362 } | |
| 363 | |
| 364 // set flag to indicate that we are moving back | |
| 365 isMovingToPreviousPage = true; | |
| 366 // show the page | |
| 367 showPage(page); | |
| 368 } | |
| 369 | |
| 370 /* | |
| 371 * (non-Javadoc) Method declared on Dialog. | |
| 372 */ | |
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373 protected override void buttonPressed(int buttonId) { |
| 8 | 374 switch (buttonId) { |
| 375 case IDialogConstants.HELP_ID: { | |
| 376 helpPressed(); | |
| 377 break; | |
| 378 } | |
| 379 case IDialogConstants.BACK_ID: { | |
| 380 backPressed(); | |
| 381 break; | |
| 382 } | |
| 383 case IDialogConstants.NEXT_ID: { | |
| 384 nextPressed(); | |
| 385 break; | |
| 386 } | |
| 387 case IDialogConstants.FINISH_ID: { | |
| 388 finishPressed(); | |
| 389 break; | |
| 390 } | |
| 391 // The Cancel button has a listener which calls cancelPressed | |
| 392 // directly | |
| 393 } | |
| 394 } | |
| 395 | |
| 396 /** | |
| 397 * Calculates the difference in size between the given page and the page | |
| 398 * container. A larger page results in a positive delta. | |
| 399 * | |
| 400 * @param page | |
| 401 * the page | |
| 402 * @return the size difference encoded as a | |
| 403 * <code>new Point(deltaWidth,deltaHeight)</code> | |
| 404 */ | |
| 405 private Point calculatePageSizeDelta(IWizardPage page) { | |
| 406 Control pageControl = page.getControl(); | |
| 407 if (pageControl is null) { | |
| 408 // control not created yet | |
| 409 return new Point(0, 0); | |
| 410 } | |
| 411 Point contentSize = pageControl.computeSize(DWT.DEFAULT, DWT.DEFAULT, | |
| 412 true); | |
| 413 Rectangle rect = pageContainerLayout.getClientArea(pageContainer); | |
| 414 Point containerSize = new Point(rect.width, rect.height); | |
| 415 return new Point(Math.max(0, contentSize.x - containerSize.x), Math | |
| 416 .max(0, contentSize.y - containerSize.y)); | |
| 417 } | |
| 418 | |
| 419 /* | |
| 420 * (non-Javadoc) Method declared on Dialog. | |
| 421 */ | |
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changeset
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422 protected override void cancelPressed() { |
| 8 | 423 if (activeRunningOperations <= 0) { |
| 424 // Close the dialog. The check whether the dialog can be | |
| 425 // closed or not is done in <code>okToClose</code>. | |
| 426 // This ensures that the check is also evaluated when the user | |
| 427 // presses the window's close button. | |
| 428 setReturnCode(CANCEL); | |
| 429 close(); | |
| 430 } else { | |
| 431 cancelButton.setEnabled(false); | |
| 432 } | |
| 433 } | |
| 434 | |
| 435 /* | |
| 436 * (non-Javadoc) | |
| 437 * | |
| 438 * @see dwtx.jface.window.Window#close() | |
| 439 */ | |
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440 public override bool close() { |
| 8 | 441 if (okToClose()) { |
| 442 return hardClose(); | |
| 443 } | |
| 444 return false; | |
| 445 } | |
| 446 | |
| 447 /* | |
| 448 * (non-Javadoc) Method declared on Window. | |
| 449 */ | |
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450 protected override void configureShell(Shell newShell) { |
| 8 | 451 super.configureShell(newShell); |
| 452 // Register help listener on the shell | |
| 35 | 453 newShell.addHelpListener(new class HelpListener { |
| 8 | 454 public void helpRequested(HelpEvent event) { |
| 455 // call perform help on the current page | |
| 456 if (currentPage !is null) { | |
| 457 currentPage.performHelp(); | |
| 458 } | |
| 459 } | |
| 460 }); | |
| 461 } | |
| 462 | |
| 463 /** | |
| 464 * Creates the buttons for this dialog's button bar. | |
| 465 * <p> | |
| 466 * The <code>WizardDialog</code> implementation of this framework method | |
| 467 * prevents the parent composite's columns from being made equal width in | |
| 468 * order to remove the margin between the Back and Next buttons. | |
| 469 * </p> | |
| 470 * | |
| 471 * @param parent | |
| 472 * the parent composite to contain the buttons | |
| 473 */ | |
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changeset
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474 protected override void createButtonsForButtonBar(Composite parent) { |
| 35 | 475 (cast(GridLayout) parent.getLayout()).makeColumnsEqualWidth = false; |
| 8 | 476 if (wizard.isHelpAvailable()) { |
| 477 helpButton = createButton(parent, IDialogConstants.HELP_ID, | |
| 478 IDialogConstants.HELP_LABEL, false); | |
| 479 } | |
| 480 if (wizard.needsPreviousAndNextButtons()) { | |
| 481 createPreviousAndNextButtons(parent); | |
| 482 } | |
| 483 finishButton = createButton(parent, IDialogConstants.FINISH_ID, | |
| 484 IDialogConstants.FINISH_LABEL, true); | |
| 485 cancelButton = createCancelButton(parent); | |
| 486 } | |
| 487 | |
| 488 /* | |
| 489 * (non-Javadoc) | |
| 490 * | |
| 491 * @see dwtx.jface.dialogs.Dialog#setButtonLayoutData(dwt.widgets.Button) | |
| 492 */ | |
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493 protected override void setButtonLayoutData(Button button) { |
| 8 | 494 GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL); |
| 495 int widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH); | |
| 496 | |
| 497 // On large fonts this can make this dialog huge | |
| 498 widthHint = Math.min(widthHint, | |
| 499 button.getDisplay().getBounds().width / 5); | |
| 500 Point minSize = button.computeSize(DWT.DEFAULT, DWT.DEFAULT, true); | |
| 501 data.widthHint = Math.max(widthHint, minSize.x); | |
| 502 | |
| 503 button.setLayoutData(data); | |
| 504 } | |
| 505 | |
| 506 /** | |
| 507 * Creates the Cancel button for this wizard dialog. Creates a standard (<code>DWT.PUSH</code>) | |
| 508 * button and registers for its selection events. Note that the number of | |
| 509 * columns in the button bar composite is incremented. The Cancel button is | |
| 510 * created specially to give it a removeable listener. | |
| 511 * | |
| 512 * @param parent | |
| 513 * the parent button bar | |
| 514 * @return the new Cancel button | |
| 515 */ | |
| 516 private Button createCancelButton(Composite parent) { | |
| 517 // increment the number of columns in the button bar | |
| 35 | 518 (cast(GridLayout) parent.getLayout()).numColumns++; |
| 8 | 519 Button button = new Button(parent, DWT.PUSH); |
| 520 button.setText(IDialogConstants.CANCEL_LABEL); | |
| 521 setButtonLayoutData(button); | |
| 522 button.setFont(parent.getFont()); | |
| 523 button.setData(new Integer(IDialogConstants.CANCEL_ID)); | |
| 524 button.addSelectionListener(cancelListener); | |
| 525 return button; | |
| 526 } | |
| 527 | |
| 528 /** | |
| 529 * Return the cancel button if the id is a the cancel id. | |
| 530 * | |
| 531 * @param id | |
| 532 * the button id | |
| 533 * @return the button corresponding to the button id | |
| 534 */ | |
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535 protected override Button getButton(int id) { |
| 8 | 536 if (id is IDialogConstants.CANCEL_ID) { |
| 537 return cancelButton; | |
| 538 } | |
| 539 return super.getButton(id); | |
| 540 } | |
| 541 | |
| 542 /** | |
| 543 * The <code>WizardDialog</code> implementation of this | |
| 544 * <code>Window</code> method calls call <code>IWizard.addPages</code> | |
| 545 * to allow the current wizard to add extra pages, then | |
| 546 * <code>super.createContents</code> to create the controls. It then calls | |
| 547 * <code>IWizard.createPageControls</code> to allow the wizard to | |
| 548 * pre-create their page controls prior to opening, so that the wizard opens | |
| 549 * to the correct size. And finally it shows the first page. | |
| 550 */ | |
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551 protected override Control createContents(Composite parent) { |
| 8 | 552 // Allow the wizard to add pages to itself |
| 553 // Need to call this now so page count is correct | |
| 554 // for determining if next/previous buttons are needed | |
| 555 wizard.addPages(); | |
| 556 Control contents = super.createContents(parent); | |
| 557 // Allow the wizard pages to precreate their page controls | |
| 558 createPageControls(); | |
| 559 // Show the first page | |
| 560 showStartingPage(); | |
| 561 return contents; | |
| 562 } | |
| 563 | |
| 564 /* | |
| 565 * (non-Javadoc) Method declared on Dialog. | |
| 566 */ | |
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567 protected override Control createDialogArea(Composite parent) { |
| 35 | 568 Composite composite = cast(Composite) super.createDialogArea(parent); |
| 8 | 569 // Build the Page container |
| 570 pageContainer = createPageContainer(composite); | |
| 571 GridData gd = new GridData(GridData.FILL_BOTH); | |
| 572 gd.widthHint = pageWidth; | |
| 573 gd.heightHint = pageHeight; | |
| 574 pageContainer.setLayoutData(gd); | |
| 575 pageContainer.setFont(parent.getFont()); | |
| 576 // Insert a progress monitor | |
| 577 GridLayout pmlayout = new GridLayout(); | |
| 578 pmlayout.numColumns = 1; | |
| 579 progressMonitorPart = createProgressMonitorPart(composite, pmlayout); | |
| 580 GridData gridData = new GridData(GridData.FILL_HORIZONTAL); | |
| 581 progressMonitorPart.setLayoutData(gridData); | |
| 582 progressMonitorPart.setVisible(false); | |
| 583 // Build the separator line | |
| 584 Label separator = new Label(composite, DWT.HORIZONTAL | DWT.SEPARATOR); | |
| 585 separator.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); | |
| 586 | |
| 587 applyDialogFont(progressMonitorPart); | |
| 588 return composite; | |
| 589 } | |
| 590 | |
| 591 /** | |
| 592 * Create the progress monitor part in the receiver. | |
| 593 * | |
| 594 * @param composite | |
| 595 * @param pmlayout | |
| 596 * @return ProgressMonitorPart | |
| 597 */ | |
| 598 protected ProgressMonitorPart createProgressMonitorPart( | |
| 599 Composite composite, GridLayout pmlayout) { | |
| 35 | 600 return new class(composite, pmlayout, DWT.DEFAULT) ProgressMonitorPart { |
| 601 | |
| 8 | 602 String currentTask = null; |
| 603 | |
| 35 | 604 this(Composite c, Layout l, int s ){ |
| 605 super(c,l,s); | |
| 606 } | |
| 607 | |
| 8 | 608 /* |
| 609 * (non-Javadoc) | |
| 610 * | |
| 611 * @see dwtx.jface.wizard.ProgressMonitorPart#setBlocked(dwtx.core.runtime.IStatus) | |
| 612 */ | |
| 613 public void setBlocked(IStatus reason) { | |
| 614 super.setBlocked(reason); | |
| 615 if (!lockedUI) { | |
| 616 getBlockedHandler().showBlocked(getShell(), this, reason, | |
| 617 currentTask); | |
| 618 } | |
| 619 } | |
| 620 | |
| 621 /* | |
| 622 * (non-Javadoc) | |
| 623 * | |
| 624 * @see dwtx.jface.wizard.ProgressMonitorPart#clearBlocked() | |
| 625 */ | |
| 626 public void clearBlocked() { | |
| 627 super.clearBlocked(); | |
| 628 if (!lockedUI) { | |
| 629 getBlockedHandler().clearBlocked(); | |
| 630 } | |
| 631 } | |
| 632 | |
| 633 /* | |
| 634 * (non-Javadoc) | |
| 635 * | |
| 636 * @see dwtx.jface.wizard.ProgressMonitorPart#beginTask(java.lang.String, | |
| 637 * int) | |
| 638 */ | |
| 639 public void beginTask(String name, int totalWork) { | |
| 640 super.beginTask(name, totalWork); | |
| 641 currentTask = name; | |
| 642 } | |
| 643 | |
| 644 /* | |
| 645 * (non-Javadoc) | |
| 646 * | |
| 647 * @see dwtx.jface.wizard.ProgressMonitorPart#setTaskName(java.lang.String) | |
| 648 */ | |
| 649 public void setTaskName(String name) { | |
| 650 super.setTaskName(name); | |
| 651 currentTask = name; | |
| 652 } | |
| 653 | |
| 654 /* | |
| 655 * (non-Javadoc) | |
| 656 * | |
| 657 * @see dwtx.jface.wizard.ProgressMonitorPart#subTask(java.lang.String) | |
| 658 */ | |
| 659 public void subTask(String name) { | |
| 660 super.subTask(name); | |
| 661 // If we haven't got anything yet use this value for more | |
| 662 // context | |
| 663 if (currentTask is null) { | |
| 664 currentTask = name; | |
| 665 } | |
| 666 } | |
| 667 }; | |
| 668 } | |
| 669 | |
| 670 /** | |
| 671 * Creates the container that holds all pages. | |
| 672 * | |
| 673 * @param parent | |
| 674 * @return Composite | |
| 675 */ | |
| 676 private Composite createPageContainer(Composite parent) { | |
| 677 Composite result = new Composite(parent, DWT.NULL); | |
| 678 result.setLayout(pageContainerLayout); | |
| 679 return result; | |
| 680 } | |
| 681 | |
| 682 /** | |
| 683 * Allow the wizard's pages to pre-create their page controls. This allows | |
| 684 * the wizard dialog to open to the correct size. | |
| 685 */ | |
| 686 private void createPageControls() { | |
| 687 // Allow the wizard pages to precreate their page controls | |
| 688 // This allows the wizard to open to the correct size | |
| 689 wizard.createPageControls(pageContainer); | |
| 690 // Ensure that all of the created pages are initially not visible | |
| 691 IWizardPage[] pages = wizard.getPages(); | |
| 692 for (int i = 0; i < pages.length; i++) { | |
| 693 IWizardPage page = pages[i]; | |
| 694 if (page.getControl() !is null) { | |
| 695 page.getControl().setVisible(false); | |
| 696 } | |
| 697 } | |
| 698 } | |
| 699 | |
| 700 /** | |
| 701 * Creates the Previous and Next buttons for this wizard dialog. Creates | |
| 702 * standard (<code>DWT.PUSH</code>) buttons and registers for their | |
| 703 * selection events. Note that the number of columns in the button bar | |
| 704 * composite is incremented. These buttons are created specially to prevent | |
| 705 * any space between them. | |
| 706 * | |
| 707 * @param parent | |
| 708 * the parent button bar | |
| 709 * @return a composite containing the new buttons | |
| 710 */ | |
| 711 private Composite createPreviousAndNextButtons(Composite parent) { | |
| 712 // increment the number of columns in the button bar | |
| 35 | 713 (cast(GridLayout) parent.getLayout()).numColumns++; |
| 8 | 714 Composite composite = new Composite(parent, DWT.NONE); |
| 715 // create a layout with spacing and margins appropriate for the font | |
| 716 // size. | |
| 717 GridLayout layout = new GridLayout(); | |
| 718 layout.numColumns = 0; // will be incremented by createButton | |
| 719 layout.marginWidth = 0; | |
| 720 layout.marginHeight = 0; | |
| 721 layout.horizontalSpacing = 0; | |
| 722 layout.verticalSpacing = 0; | |
| 723 composite.setLayout(layout); | |
| 724 GridData data = new GridData(GridData.HORIZONTAL_ALIGN_CENTER | |
| 725 | GridData.VERTICAL_ALIGN_CENTER); | |
| 726 composite.setLayoutData(data); | |
| 727 composite.setFont(parent.getFont()); | |
| 728 backButton = createButton(composite, IDialogConstants.BACK_ID, | |
| 729 IDialogConstants.BACK_LABEL, false); | |
| 730 nextButton = createButton(composite, IDialogConstants.NEXT_ID, | |
| 731 IDialogConstants.NEXT_LABEL, false); | |
| 732 return composite; | |
| 733 } | |
| 734 | |
| 735 /** | |
| 736 * Creates and return a new wizard closing dialog without openiong it. | |
| 737 * | |
| 738 * @return MessageDalog | |
| 739 */ | |
| 740 private MessageDialog createWizardClosingDialog() { | |
| 741 MessageDialog result = new MessageDialog(getShell(), | |
| 742 JFaceResources.getString("WizardClosingDialog.title"), //$NON-NLS-1$ | |
| 743 null, | |
| 744 JFaceResources.getString("WizardClosingDialog.message"), //$NON-NLS-1$ | |
| 745 MessageDialog.QUESTION, | |
| 35 | 746 [ IDialogConstants.OK_LABEL ], 0); |
| 8 | 747 return result; |
| 748 } | |
| 749 | |
| 750 /** | |
| 751 * The Finish button has been pressed. | |
| 752 */ | |
| 753 protected void finishPressed() { | |
| 754 // Wizards are added to the nested wizards list in setWizard. | |
| 755 // This means that the current wizard is always the last wizard in the | |
| 756 // list. | |
| 757 // Note that we first call the current wizard directly (to give it a | |
| 758 // chance to | |
| 759 // abort, do work, and save state) then call the remaining n-1 wizards | |
| 760 // in the | |
| 761 // list (to save state). | |
| 762 if (wizard.performFinish()) { | |
| 763 // Call perform finish on outer wizards in the nested chain | |
| 764 // (to allow them to save state for example) | |
| 765 for (int i = 0; i < nestedWizards.size() - 1; i++) { | |
| 35 | 766 (cast(IWizard) nestedWizards.get(i)).performFinish(); |
| 8 | 767 } |
| 768 // Hard close the dialog. | |
| 769 setReturnCode(OK); | |
| 770 hardClose(); | |
| 771 } | |
| 772 } | |
| 773 | |
| 774 /* | |
| 775 * (non-Javadoc) Method declared on IWizardContainer. | |
| 776 */ | |
| 777 public IWizardPage getCurrentPage() { | |
| 778 return currentPage; | |
| 779 } | |
| 780 | |
| 781 /** | |
| 782 * Returns the progress monitor for this wizard dialog (if it has one). | |
| 783 * | |
| 784 * @return the progress monitor, or <code>null</code> if this wizard | |
| 785 * dialog does not have one | |
| 786 */ | |
| 787 protected IProgressMonitor getProgressMonitor() { | |
| 788 return progressMonitorPart; | |
| 789 } | |
| 790 | |
| 791 /** | |
| 792 * Returns the wizard this dialog is currently displaying. | |
| 793 * | |
| 794 * @return the current wizard | |
| 795 */ | |
| 796 protected IWizard getWizard() { | |
| 797 return wizard; | |
| 798 } | |
| 799 | |
| 800 /** | |
| 801 * Closes this window. | |
| 802 * | |
| 803 * @return <code>true</code> if the window is (or was already) closed, and | |
| 804 * <code>false</code> if it is still open | |
| 805 */ | |
| 806 private bool hardClose() { | |
| 807 // inform wizards | |
| 808 for (int i = 0; i < createdWizards.size(); i++) { | |
| 35 | 809 IWizard createdWizard = cast(IWizard) createdWizards.get(i); |
| 8 | 810 createdWizard.dispose(); |
| 811 // Remove this dialog as a parent from the managed wizard. | |
| 812 // Note that we do this after calling dispose as the wizard or | |
| 813 // its pages may need access to the container during | |
| 814 // dispose code | |
| 815 createdWizard.setContainer(null); | |
| 816 } | |
| 817 return super.close(); | |
| 818 } | |
| 819 | |
| 820 /** | |
| 821 * The Help button has been pressed. | |
| 822 */ | |
| 823 protected void helpPressed() { | |
| 824 if (currentPage !is null) { | |
| 825 currentPage.performHelp(); | |
| 826 } | |
| 827 } | |
| 828 | |
| 829 /** | |
| 830 * The Next button has been pressed. | |
| 831 */ | |
| 832 protected void nextPressed() { | |
| 833 IWizardPage page = currentPage.getNextPage(); | |
| 834 if (page is null) { | |
| 835 // something must have happend getting the next page | |
| 836 return; | |
| 837 } | |
| 838 | |
| 839 // show the next page | |
| 840 showPage(page); | |
| 841 } | |
| 842 | |
| 843 /** | |
| 844 * Notifies page changing listeners and returns result of page changing | |
| 845 * processing to the sender. | |
| 846 * | |
| 847 * @param eventType | |
| 848 * @return <code>true</code> if page changing listener completes | |
| 849 * successfully, <code>false</code> otherwise | |
| 850 */ | |
| 851 private bool doPageChanging(IWizardPage targetPage) { | |
| 35 | 852 PageChangingEvent e = new PageChangingEvent(this, cast(Object)getCurrentPage(), |
| 853 cast(Object)targetPage); | |
| 8 | 854 firePageChanging(e); |
| 855 // Prevent navigation if necessary | |
| 856 return e.doit; | |
| 857 } | |
| 858 | |
| 859 /** | |
| 860 * Checks whether it is alright to close this wizard dialog and performed | |
| 861 * standard cancel processing. If there is a long running operation in | |
| 862 * progress, this method posts an alert message saying that the wizard | |
| 863 * cannot be closed. | |
| 864 * | |
| 865 * @return <code>true</code> if it is alright to close this dialog, and | |
| 866 * <code>false</code> if it is not | |
| 867 */ | |
| 868 private bool okToClose() { | |
| 869 if (activeRunningOperations > 0) { | |
| 870 synchronized (this) { | |
| 871 windowClosingDialog = createWizardClosingDialog(); | |
| 872 } | |
| 873 windowClosingDialog.open(); | |
| 874 synchronized (this) { | |
| 875 windowClosingDialog = null; | |
| 876 } | |
| 877 return false; | |
| 878 } | |
| 879 return wizard.performCancel(); | |
| 880 } | |
| 881 | |
| 882 /** | |
| 883 * Restores the enabled/disabled state of the given control. | |
| 884 * | |
| 885 * @param w | |
| 886 * the control | |
| 887 * @param h | |
| 888 * the map (key type: <code>String</code>, element type: | |
|
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889 * <code>Boolean</code>) |
| 8 | 890 * @param key |
| 891 * the key | |
| 892 * @see #saveEnableStateAndSet | |
| 893 */ | |
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894 private void restoreEnableState(Control w, Map h, String key) { |
| 8 | 895 if (w !is null) { |
| 71 | 896 Boolean b = cast(Boolean) h.get(stringcast(key)); |
| 8 | 897 if (b !is null) { |
| 898 w.setEnabled(b.booleanValue()); | |
| 899 } | |
| 900 } | |
| 901 } | |
| 902 | |
| 903 /** | |
| 904 * Restores the enabled/disabled state of the wizard dialog's buttons and | |
| 905 * the tree of controls for the currently showing page. | |
| 906 * | |
| 907 * @param state | |
| 908 * a map containing the saved state as returned by | |
| 909 * <code>saveUIState</code> | |
| 910 * @see #saveUIState | |
| 911 */ | |
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912 private void restoreUIState(Map state) { |
| 8 | 913 restoreEnableState(backButton, state, "back"); //$NON-NLS-1$ |
| 914 restoreEnableState(nextButton, state, "next"); //$NON-NLS-1$ | |
| 915 restoreEnableState(finishButton, state, "finish"); //$NON-NLS-1$ | |
| 916 restoreEnableState(cancelButton, state, "cancel"); //$NON-NLS-1$ | |
| 917 restoreEnableState(helpButton, state, "help"); //$NON-NLS-1$ | |
| 35 | 918 Object pageValue = state.get(stringcast("page")); //$NON-NLS-1$ |
| 8 | 919 if (pageValue !is null) { |
| 35 | 920 (cast(ControlEnableState) pageValue).restore(); |
| 8 | 921 } |
| 922 } | |
| 923 | |
| 924 /** | |
| 925 * This implementation of IRunnableContext#run(bool, bool, | |
| 926 * IRunnableWithProgress) blocks until the runnable has been run, regardless | |
| 927 * of the value of <code>fork</code>. It is recommended that | |
| 928 * <code>fork</code> is set to true in most cases. If <code>fork</code> | |
| 929 * is set to <code>false</code>, the runnable will run in the UI thread | |
| 930 * and it is the runnable's responsibility to call | |
| 931 * <code>Display.readAndDispatch()</code> to ensure UI responsiveness. | |
| 932 * | |
| 933 * UI state is saved prior to executing the long-running operation and is | |
| 934 * restored after the long-running operation completes executing. Any | |
| 935 * attempt to change the UI state of the wizard in the long-running | |
| 936 * operation will be nullified when original UI state is restored. | |
| 937 * | |
| 938 */ | |
| 939 public void run(bool fork, bool cancelable, | |
| 35 | 940 IRunnableWithProgress runnable) { |
| 8 | 941 // The operation can only be canceled if it is executed in a separate |
| 942 // thread. | |
| 943 // Otherwise the UI is blocked anyway. | |
| 944 Object state = null; | |
| 945 if (activeRunningOperations is 0) { | |
| 946 state = aboutToStart(fork && cancelable); | |
| 947 } | |
| 948 activeRunningOperations++; | |
| 949 try { | |
| 950 if (!fork) { | |
| 951 lockedUI = true; | |
| 952 } | |
| 953 ModalContext.run(runnable, fork, getProgressMonitor(), getShell() | |
| 954 .getDisplay()); | |
| 955 lockedUI = false; | |
| 956 } finally { | |
| 957 activeRunningOperations--; | |
| 958 // Stop if this is the last one | |
| 959 if (state !is null) { | |
| 960 stopped(state); | |
| 961 } | |
| 962 } | |
| 963 } | |
| 964 | |
| 965 /** | |
| 966 * Saves the enabled/disabled state of the given control in the given map, | |
| 967 * which must be modifiable. | |
| 968 * | |
| 969 * @param w | |
| 970 * the control, or <code>null</code> if none | |
| 971 * @param h | |
| 972 * the map (key type: <code>String</code>, element type: | |
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973 * <code>Boolean</code>) |
| 8 | 974 * @param key |
| 975 * the key | |
| 976 * @param enabled | |
| 977 * <code>true</code> to enable the control, and | |
| 978 * <code>false</code> to disable it | |
| 979 * @see #restoreEnableState(Control, Map, String) | |
| 980 */ | |
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981 private void saveEnableStateAndSet(Control w, Map h, String key, |
| 8 | 982 bool enabled) { |
| 983 if (w !is null) { | |
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984 h.put(stringcast(key), w.getEnabled() ? Boolean.TRUE : Boolean.FALSE); |
| 8 | 985 w.setEnabled(enabled); |
| 986 } | |
| 987 } | |
| 988 | |
| 989 /** | |
| 990 * Captures and returns the enabled/disabled state of the wizard dialog's | |
| 991 * buttons and the tree of controls for the currently showing page. All | |
| 992 * these controls are disabled in the process, with the possible exception | |
| 993 * of the Cancel button. | |
| 994 * | |
| 995 * @param keepCancelEnabled | |
| 996 * <code>true</code> if the Cancel button should remain | |
| 997 * enabled, and <code>false</code> if it should be disabled | |
| 998 * @return a map containing the saved state suitable for restoring later | |
| 999 * with <code>restoreUIState</code> | |
| 1000 * @see #restoreUIState | |
| 1001 */ | |
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1002 private Map saveUIState(bool keepCancelEnabled) { |
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1003 Map savedState = new HashMap(10); |
| 8 | 1004 saveEnableStateAndSet(backButton, savedState, "back", false); //$NON-NLS-1$ |
| 1005 saveEnableStateAndSet(nextButton, savedState, "next", false); //$NON-NLS-1$ | |
| 1006 saveEnableStateAndSet(finishButton, savedState, "finish", false); //$NON-NLS-1$ | |
| 1007 saveEnableStateAndSet(cancelButton, savedState, | |
| 1008 "cancel", keepCancelEnabled); //$NON-NLS-1$ | |
| 1009 saveEnableStateAndSet(helpButton, savedState, "help", false); //$NON-NLS-1$ | |
| 1010 if (currentPage !is null) { | |
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1011 savedState.put(stringcast("page"), ControlEnableState.disable(currentPage.getControl())); //$NON-NLS-1$ |
| 8 | 1012 } |
| 1013 return savedState; | |
| 1014 } | |
| 1015 | |
| 1016 /** | |
| 1017 * Sets the given cursor for all shells currently active for this window's | |
| 1018 * display. | |
| 1019 * | |
| 1020 * @param c | |
| 1021 * the cursor | |
| 1022 */ | |
| 1023 private void setDisplayCursor(Cursor c) { | |
| 1024 Shell[] shells = getShell().getDisplay().getShells(); | |
| 1025 for (int i = 0; i < shells.length; i++) { | |
| 1026 shells[i].setCursor(c); | |
| 1027 } | |
| 1028 } | |
| 1029 | |
| 1030 /** | |
| 1031 * Sets the minimum page size used for the pages. | |
| 1032 * | |
| 1033 * @param minWidth | |
| 1034 * the minimum page width | |
| 1035 * @param minHeight | |
| 1036 * the minimum page height | |
| 1037 * @see #setMinimumPageSize(Point) | |
| 1038 */ | |
| 1039 public void setMinimumPageSize(int minWidth, int minHeight) { | |
| 1040 Assert.isTrue(minWidth >= 0 && minHeight >= 0); | |
| 1041 pageContainerLayout.minimumWidth = minWidth; | |
| 1042 pageContainerLayout.minimumHeight = minHeight; | |
| 1043 } | |
| 1044 | |
| 1045 /** | |
| 1046 * Sets the minimum page size used for the pages. | |
| 1047 * | |
| 1048 * @param size | |
| 1049 * the page size encoded as <code>new Point(width,height)</code> | |
| 1050 * @see #setMinimumPageSize(int,int) | |
| 1051 */ | |
| 1052 public void setMinimumPageSize(Point size) { | |
| 1053 setMinimumPageSize(size.x, size.y); | |
| 1054 } | |
| 1055 | |
| 1056 /** | |
| 1057 * Sets the size of all pages. The given size takes precedence over computed | |
| 1058 * sizes. | |
| 1059 * | |
| 1060 * @param width | |
| 1061 * the page width | |
| 1062 * @param height | |
| 1063 * the page height | |
| 1064 * @see #setPageSize(Point) | |
| 1065 */ | |
| 1066 public void setPageSize(int width, int height) { | |
| 1067 pageWidth = width; | |
| 1068 pageHeight = height; | |
| 1069 } | |
| 1070 | |
| 1071 /** | |
| 1072 * Sets the size of all pages. The given size takes precedence over computed | |
| 1073 * sizes. | |
| 1074 * | |
| 1075 * @param size | |
| 1076 * the page size encoded as <code>new Point(width,height)</code> | |
| 1077 * @see #setPageSize(int,int) | |
| 1078 */ | |
| 1079 public void setPageSize(Point size) { | |
| 1080 setPageSize(size.x, size.y); | |
| 1081 } | |
| 1082 | |
| 1083 /** | |
| 1084 * Sets the wizard this dialog is currently displaying. | |
| 1085 * | |
| 1086 * @param newWizard | |
| 1087 * the wizard | |
| 1088 */ | |
| 1089 protected void setWizard(IWizard newWizard) { | |
| 1090 wizard = newWizard; | |
| 1091 wizard.setContainer(this); | |
| 35 | 1092 if (!createdWizards.contains(cast(Object)wizard)) { |
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1093 createdWizards.add(cast(Object)wizard); |
| 8 | 1094 // New wizard so just add it to the end of our nested list |
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1095 nestedWizards.add(cast(Object)wizard); |
| 8 | 1096 if (pageContainer !is null) { |
| 1097 // Dialog is already open | |
| 1098 // Allow the wizard pages to precreate their page controls | |
| 1099 // This allows the wizard to open to the correct size | |
| 1100 createPageControls(); | |
| 1101 // Ensure the dialog is large enough for the wizard | |
| 1102 updateSizeForWizard(wizard); | |
| 1103 pageContainer.layout(true); | |
| 1104 } | |
| 1105 } else { | |
| 1106 // We have already seen this wizard, if it is the previous wizard | |
| 1107 // on the nested list then we assume we have gone back and remove | |
| 1108 // the last wizard from the list | |
| 1109 int size = nestedWizards.size(); | |
| 35 | 1110 if (size >= 2 && nestedWizards.get(size - 2) is cast(Object)wizard) { |
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1111 nestedWizards.remove(size - 1); |
| 8 | 1112 } else { |
| 1113 // Assume we are going forward to revisit a wizard | |
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1114 nestedWizards.add(cast(Object)wizard); |
| 8 | 1115 } |
| 1116 } | |
| 1117 } | |
| 1118 | |
| 1119 /* | |
| 1120 * (non-Javadoc) Method declared on IWizardContainer. | |
| 1121 */ | |
| 1122 public void showPage(IWizardPage page) { | |
| 1123 if (page is null || page is currentPage) { | |
| 1124 return; | |
| 1125 } | |
| 1126 | |
| 1127 if (!isMovingToPreviousPage) { | |
| 1128 // remember my previous page. | |
| 1129 page.setPreviousPage(currentPage); | |
| 1130 } else { | |
| 1131 isMovingToPreviousPage = false; | |
| 1132 } | |
| 1133 | |
| 1134 // If page changing evaluation unsuccessful, do not change the page | |
| 1135 if (!doPageChanging(page)) | |
| 1136 return; | |
| 1137 | |
| 1138 // Update for the new page in a busy cursor if possible | |
| 1139 if (getContents() is null) { | |
| 1140 updateForPage(page); | |
| 1141 } else { | |
| 183 | 1142 BusyIndicator.showWhile(getContents().getDisplay(), dgRunnable( (IWizardPage finalPage) { |
| 1143 updateForPage(finalPage); | |
| 1144 }, page )); | |
| 8 | 1145 } |
| 1146 } | |
| 1147 | |
| 1148 /** | |
| 1149 * Update the receiver for the new page. | |
| 1150 * | |
| 1151 * @param page | |
| 1152 */ | |
| 1153 private void updateForPage(IWizardPage page) { | |
| 1154 // ensure this page belongs to the current wizard | |
| 1155 if (wizard !is page.getWizard()) { | |
| 1156 setWizard(page.getWizard()); | |
| 1157 } | |
| 1158 // ensure that page control has been created | |
| 1159 // (this allows lazy page control creation) | |
| 1160 if (page.getControl() is null) { | |
| 1161 page.createControl(pageContainer); | |
| 1162 // the page is responsible for ensuring the created control is | |
| 1163 // accessable | |
| 1164 // via getControl. | |
| 1165 Assert.isNotNull(page.getControl(), JFaceResources.format( | |
| 1166 JFaceResources.getString("WizardDialog.missingSetControl"), //$NON-NLS-1$ | |
| 35 | 1167 [ page.getName() ])); |
| 8 | 1168 // ensure the dialog is large enough for this page |
| 1169 updateSize(page); | |
| 1170 } | |
| 1171 // make the new page visible | |
| 1172 IWizardPage oldPage = currentPage; | |
| 1173 currentPage = page; | |
| 1174 | |
| 1175 currentPage.setVisible(true); | |
| 1176 if (oldPage !is null) { | |
| 1177 oldPage.setVisible(false); | |
| 1178 } | |
| 1179 // update the dialog controls | |
| 1180 update(); | |
| 1181 } | |
| 1182 | |
| 1183 /** | |
| 1184 * Shows the starting page of the wizard. | |
| 1185 */ | |
| 1186 private void showStartingPage() { | |
| 1187 currentPage = wizard.getStartingPage(); | |
| 1188 if (currentPage is null) { | |
| 1189 // something must have happend getting the page | |
| 1190 return; | |
| 1191 } | |
| 1192 // ensure the page control has been created | |
| 1193 if (currentPage.getControl() is null) { | |
| 1194 currentPage.createControl(pageContainer); | |
| 1195 // the page is responsible for ensuring the created control is | |
| 1196 // accessable | |
| 1197 // via getControl. | |
| 1198 Assert.isNotNull(currentPage.getControl()); | |
| 1199 // we do not need to update the size since the call | |
| 1200 // to initialize bounds has not been made yet. | |
| 1201 } | |
| 1202 // make the new page visible | |
| 1203 currentPage.setVisible(true); | |
| 1204 // update the dialog controls | |
| 1205 update(); | |
| 1206 } | |
| 1207 | |
| 1208 /** | |
| 1209 * A long running operation triggered through the wizard was stopped either | |
| 1210 * by user input or by normal end. Hides the progress monitor and restores | |
| 1211 * the enable state wizard's buttons and controls. | |
| 1212 * | |
| 1213 * @param savedState | |
| 1214 * the saved UI state as returned by <code>aboutToStart</code> | |
| 1215 * @see #aboutToStart | |
| 1216 */ | |
| 1217 private void stopped(Object savedState) { | |
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1218 if (getShell() !is null && !getShell().isDisposed()) { |
| 8 | 1219 if (wizard.needsProgressMonitor()) { |
| 1220 progressMonitorPart.setVisible(false); | |
| 1221 progressMonitorPart.removeFromCancelComponent(cancelButton); | |
| 1222 } | |
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1223 Map state = cast(Map) savedState; |
| 8 | 1224 restoreUIState(state); |
| 1225 cancelButton.addSelectionListener(cancelListener); | |
| 1226 setDisplayCursor(null); | |
| 1227 cancelButton.setCursor(null); | |
| 1228 waitCursor.dispose(); | |
| 1229 waitCursor = null; | |
| 1230 arrowCursor.dispose(); | |
| 1231 arrowCursor = null; | |
| 35 | 1232 Control focusControl = cast(Control) state.get(stringcast(FOCUS_CONTROL)); |
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1233 if (focusControl !is null && !focusControl.isDisposed()) { |
| 8 | 1234 focusControl.setFocus(); |
| 1235 } | |
| 1236 } | |
| 1237 } | |
| 1238 | |
| 1239 /** | |
| 1240 * Updates this dialog's controls to reflect the current page. | |
| 1241 */ | |
| 1242 protected void update() { | |
| 1243 // Update the window title | |
| 1244 updateWindowTitle(); | |
| 1245 // Update the title bar | |
| 1246 updateTitleBar(); | |
| 1247 // Update the buttons | |
| 1248 updateButtons(); | |
| 1249 | |
| 1250 // Fires the page change event | |
| 35 | 1251 firePageChanged(new PageChangedEvent(this, cast(Object)getCurrentPage())); |
| 8 | 1252 } |
| 1253 | |
| 1254 /* | |
| 1255 * (non-Javadoc) Method declared on IWizardContainer. | |
| 1256 */ | |
| 1257 public void updateButtons() { | |
| 1258 bool canFlipToNextPage = false; | |
| 1259 bool canFinish = wizard.canFinish(); | |
| 1260 if (backButton !is null) { | |
| 1261 backButton.setEnabled(currentPage.getPreviousPage() !is null); | |
| 1262 } | |
| 1263 if (nextButton !is null) { | |
| 1264 canFlipToNextPage = currentPage.canFlipToNextPage(); | |
| 1265 nextButton.setEnabled(canFlipToNextPage); | |
| 1266 } | |
| 1267 finishButton.setEnabled(canFinish); | |
| 1268 // finish is default unless it is diabled and next is enabled | |
| 1269 if (canFlipToNextPage && !canFinish) { | |
| 1270 getShell().setDefaultButton(nextButton); | |
| 1271 } else { | |
| 1272 getShell().setDefaultButton(finishButton); | |
| 1273 } | |
| 1274 } | |
| 1275 | |
| 1276 /** | |
| 1277 * Update the message line with the page's description. | |
| 1278 * <p> | |
| 1279 * A discription is shown only if there is no message or error message. | |
| 1280 * </p> | |
| 1281 */ | |
| 1282 private void updateDescriptionMessage() { | |
| 1283 pageDescription = currentPage.getDescription(); | |
| 1284 setMessage(pageDescription); | |
| 1285 } | |
| 1286 | |
| 1287 /* | |
| 1288 * (non-Javadoc) Method declared on IWizardContainer. | |
| 1289 */ | |
| 1290 public void updateMessage() { | |
| 1291 | |
| 1292 if (currentPage is null) { | |
| 1293 return; | |
| 1294 } | |
| 1295 | |
| 1296 pageMessage = currentPage.getMessage(); | |
| 35 | 1297 if (pageMessage !is null && cast(IMessageProvider)currentPage ) { |
| 1298 pageMessageType = (cast(IMessageProvider) currentPage).getMessageType(); | |
| 8 | 1299 } else { |
| 1300 pageMessageType = IMessageProvider.NONE; | |
| 1301 } | |
| 1302 if (pageMessage is null) { | |
| 1303 setMessage(pageDescription); | |
| 1304 } else { | |
| 1305 setMessage(pageMessage, pageMessageType); | |
| 1306 } | |
| 1307 setErrorMessage(currentPage.getErrorMessage()); | |
| 1308 } | |
| 1309 | |
| 1310 /** | |
| 1311 * Changes the shell size to the given size, ensuring that it is no larger | |
| 1312 * than the display bounds. | |
| 1313 * | |
| 1314 * @param width | |
| 1315 * the shell width | |
| 1316 * @param height | |
| 1317 * the shell height | |
| 1318 */ | |
| 1319 private void setShellSize(int width, int height) { | |
| 1320 Rectangle size = getShell().getBounds(); | |
| 1321 size.height = height; | |
| 1322 size.width = width; | |
| 1323 getShell().setBounds(getConstrainedShellBounds(size)); | |
| 1324 } | |
| 1325 | |
| 1326 /** | |
| 1327 * Computes the correct dialog size for the current page and resizes its | |
| 1328 * shell if nessessary. Also causes the container to refresh its layout. | |
| 1329 * | |
| 1330 * @param page | |
| 1331 * the wizard page to use to resize the dialog | |
| 1332 * @since 2.0 | |
| 1333 */ | |
| 1334 protected void updateSize(IWizardPage page) { | |
| 1335 if (page is null || page.getControl() is null) { | |
| 1336 return; | |
| 1337 } | |
| 1338 updateSizeForPage(page); | |
| 1339 pageContainerLayout.layoutPage(page.getControl()); | |
| 1340 } | |
| 1341 | |
| 1342 /* | |
| 1343 * (non-Javadoc) | |
| 1344 * | |
| 1345 * @see dwtx.jface.wizard.IWizardContainer2#updateSize() | |
| 1346 */ | |
| 1347 public void updateSize() { | |
| 1348 updateSize(currentPage); | |
| 1349 } | |
| 1350 | |
| 1351 /** | |
| 1352 * Computes the correct dialog size for the given page and resizes its shell | |
| 1353 * if nessessary. | |
| 1354 * | |
| 1355 * @param page | |
| 1356 * the wizard page | |
| 1357 */ | |
| 1358 private void updateSizeForPage(IWizardPage page) { | |
| 1359 // ensure the page container is large enough | |
| 1360 Point delta = calculatePageSizeDelta(page); | |
| 1361 if (delta.x > 0 || delta.y > 0) { | |
| 1362 // increase the size of the shell | |
| 1363 Shell shell = getShell(); | |
| 1364 Point shellSize = shell.getSize(); | |
| 1365 setShellSize(shellSize.x + delta.x, shellSize.y + delta.y); | |
| 1366 constrainShellSize(); | |
| 1367 } | |
| 1368 } | |
| 1369 | |
| 1370 /** | |
| 1371 * Computes the correct dialog size for the given wizard and resizes its | |
| 1372 * shell if nessessary. | |
| 1373 * | |
| 1374 * @param sizingWizard | |
| 1375 * the wizard | |
| 1376 */ | |
| 1377 private void updateSizeForWizard(IWizard sizingWizard) { | |
| 1378 Point delta = new Point(0, 0); | |
| 1379 IWizardPage[] pages = sizingWizard.getPages(); | |
| 1380 for (int i = 0; i < pages.length; i++) { | |
| 1381 // ensure the page container is large enough | |
| 1382 Point pageDelta = calculatePageSizeDelta(pages[i]); | |
| 1383 delta.x = Math.max(delta.x, pageDelta.x); | |
| 1384 delta.y = Math.max(delta.y, pageDelta.y); | |
| 1385 } | |
| 1386 if (delta.x > 0 || delta.y > 0) { | |
| 1387 // increase the size of the shell | |
| 1388 Shell shell = getShell(); | |
| 1389 Point shellSize = shell.getSize(); | |
| 1390 setShellSize(shellSize.x + delta.x, shellSize.y + delta.y); | |
| 1391 } | |
| 1392 } | |
| 1393 | |
| 1394 /* | |
| 1395 * (non-Javadoc) Method declared on IWizardContainer. | |
| 1396 */ | |
| 1397 public void updateTitleBar() { | |
| 1398 String s = null; | |
| 1399 if (currentPage !is null) { | |
| 1400 s = currentPage.getTitle(); | |
| 1401 } | |
| 1402 if (s is null) { | |
| 1403 s = ""; //$NON-NLS-1$ | |
| 1404 } | |
| 1405 setTitle(s); | |
| 1406 if (currentPage !is null) { | |
| 1407 setTitleImage(currentPage.getImage()); | |
| 1408 updateDescriptionMessage(); | |
| 1409 } | |
| 1410 updateMessage(); | |
| 1411 } | |
| 1412 | |
| 1413 /* | |
| 1414 * (non-Javadoc) Method declared on IWizardContainer. | |
| 1415 */ | |
| 1416 public void updateWindowTitle() { | |
| 1417 if (getShell() is null) { | |
| 1418 // Not created yet | |
| 1419 return; | |
| 1420 } | |
| 1421 String title = wizard.getWindowTitle(); | |
| 1422 if (title is null) { | |
| 1423 title = ""; //$NON-NLS-1$ | |
| 1424 } | |
| 1425 getShell().setText(title); | |
| 1426 } | |
| 1427 | |
| 1428 /* | |
| 1429 * (non-Javadoc) | |
| 1430 * | |
| 1431 * @see dwtx.jface.dialogs.IPageChangeProvider#getSelectedPage() | |
| 1432 */ | |
| 1433 public Object getSelectedPage() { | |
| 35 | 1434 return cast(Object)getCurrentPage(); |
| 8 | 1435 } |
| 1436 | |
| 1437 /* | |
| 1438 * (non-Javadoc) | |
| 1439 * | |
| 1440 * @see dwtx.jface.dialog.IPageChangeProvider#addPageChangedListener() | |
| 1441 */ | |
| 1442 public void addPageChangedListener(IPageChangedListener listener) { | |
| 35 | 1443 pageChangedListeners.add(cast(Object)listener); |
| 8 | 1444 } |
| 1445 | |
| 1446 /* | |
| 1447 * (non-Javadoc) | |
| 1448 * | |
| 1449 * @see dwtx.jface.dialog.IPageChangeProvider#removePageChangedListener() | |
| 1450 */ | |
| 1451 public void removePageChangedListener(IPageChangedListener listener) { | |
| 35 | 1452 pageChangedListeners.remove(cast(Object)listener); |
| 8 | 1453 } |
| 1454 | |
| 1455 /** | |
| 1456 * Notifies any selection changed listeners that the selected page has | |
| 1457 * changed. Only listeners registered at the time this method is called are | |
| 1458 * notified. | |
| 1459 * | |
| 1460 * @param event | |
| 1461 * a selection changed event | |
| 1462 * | |
| 1463 * @see IPageChangedListener#pageChanged | |
| 1464 * | |
| 1465 * @since 3.1 | |
| 1466 */ | |
| 35 | 1467 protected void firePageChanged(PageChangedEvent event) { |
| 8 | 1468 Object[] listeners = pageChangedListeners.getListeners(); |
| 1469 for (int i = 0; i < listeners.length; ++i) { | |
| 39 | 1470 SafeRunnable.run(new class(cast(IPageChangedListener) listeners[i],event) SafeRunnable { |
| 35 | 1471 PageChangedEvent event_; |
| 1472 IPageChangedListener l; | |
| 39 | 1473 this(IPageChangedListener a, PageChangedEvent b){ |
| 1474 l = a; | |
| 1475 event_=b; | |
| 35 | 1476 } |
| 8 | 1477 public void run() { |
| 35 | 1478 l.pageChanged(event_); |
| 8 | 1479 } |
| 1480 }); | |
| 1481 } | |
| 1482 } | |
| 1483 | |
| 1484 /** | |
| 1485 * Adds a listener for page changes to the list of page changing listeners | |
| 1486 * registered for this dialog. Has no effect if an identical listener is | |
| 1487 * already registered. | |
| 1488 * | |
| 1489 * @param listener | |
| 1490 * a page changing listener | |
| 1491 * @since 3.3 | |
| 1492 */ | |
| 1493 public void addPageChangingListener(IPageChangingListener listener) { | |
| 35 | 1494 pageChangingListeners.add(cast(Object)listener); |
| 8 | 1495 } |
| 1496 | |
| 1497 /** | |
| 1498 * Removes the provided page changing listener from the list of page | |
| 1499 * changing listeners registered for the dialog. | |
| 1500 * | |
| 1501 * @param listener | |
| 1502 * a page changing listener | |
| 1503 * @since 3.3 | |
| 1504 */ | |
| 1505 public void removePageChangingListener(IPageChangingListener listener) { | |
| 35 | 1506 pageChangingListeners.remove(cast(Object)listener); |
| 8 | 1507 } |
| 1508 | |
| 1509 /** | |
| 1510 * Notifies any page changing listeners that the currently selected dialog | |
| 1511 * page is changing. Only listeners registered at the time this method is | |
| 1512 * called are notified. | |
| 1513 * | |
| 1514 * @param event | |
| 1515 * a selection changing event | |
| 1516 * | |
| 1517 * @see IPageChangingListener#handlePageChanging(PageChangingEvent) | |
| 1518 * @since 3.3 | |
| 1519 */ | |
| 35 | 1520 protected void firePageChanging(PageChangingEvent event) { |
| 8 | 1521 Object[] listeners = pageChangingListeners.getListeners(); |
| 1522 for (int i = 0; i < listeners.length; ++i) { | |
| 39 | 1523 SafeRunnable.run(new class(cast(IPageChangingListener) listeners[i],event) SafeRunnable { |
| 35 | 1524 PageChangingEvent event_; |
| 1525 IPageChangingListener l; | |
| 39 | 1526 this(IPageChangingListener a, PageChangingEvent b){ |
| 1527 l = a; | |
| 1528 event_=b; | |
| 35 | 1529 } |
| 8 | 1530 public void run() { |
| 35 | 1531 l.handlePageChanging(event_); |
| 8 | 1532 } |
| 1533 }); | |
| 1534 } | |
| 1535 } | |
| 1536 } |