Mercurial > projects > dwt-addons
annotate dwtx/jface/text/hyperlink/MultipleHyperlinkPresenter.d @ 133:7d818bd32d63
Fix ctors to this with gvim regexp
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sun, 24 Aug 2008 01:29:22 +0200 |
| parents | c4fb132a086c |
| children | 51e6e63f930e |
| rev | line source |
|---|---|
| 129 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2008 IBM Corporation and others. | |
| 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 * Port to the D programming language: | |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 12 *******************************************************************************/ | |
| 13 module dwtx.jface.text.hyperlink.MultipleHyperlinkPresenter; | |
| 14 | |
| 131 | 15 import dwtx.jface.text.hyperlink.IHyperlinkPresenterExtension; // packageimport |
| 16 import dwtx.jface.text.hyperlink.HyperlinkManager; // packageimport | |
| 17 import dwtx.jface.text.hyperlink.URLHyperlink; // packageimport | |
| 18 import dwtx.jface.text.hyperlink.IHyperlinkDetectorExtension2; // packageimport | |
| 19 import dwtx.jface.text.hyperlink.IHyperlinkDetector; // packageimport | |
| 20 import dwtx.jface.text.hyperlink.IHyperlinkPresenter; // packageimport | |
| 21 import dwtx.jface.text.hyperlink.URLHyperlinkDetector; // packageimport | |
| 22 import dwtx.jface.text.hyperlink.DefaultHyperlinkPresenter; // packageimport | |
| 23 import dwtx.jface.text.hyperlink.AbstractHyperlinkDetector; // packageimport | |
| 24 import dwtx.jface.text.hyperlink.IHyperlinkDetectorExtension; // packageimport | |
| 25 import dwtx.jface.text.hyperlink.HyperlinkMessages; // packageimport | |
| 26 import dwtx.jface.text.hyperlink.IHyperlink; // packageimport | |
| 27 | |
| 28 | |
| 129 | 29 import dwt.dwthelper.utils; |
| 30 | |
| 31 | |
| 32 import dwt.DWT; | |
| 33 import dwt.events.KeyAdapter; | |
| 34 import dwt.events.KeyEvent; | |
| 35 import dwt.events.KeyListener; | |
| 36 import dwt.events.MouseAdapter; | |
| 37 import dwt.events.MouseEvent; | |
| 38 import dwt.events.MouseMoveListener; | |
| 39 import dwt.events.SelectionAdapter; | |
| 40 import dwt.events.SelectionEvent; | |
| 41 import dwt.events.ShellAdapter; | |
| 42 import dwt.events.ShellEvent; | |
| 43 import dwt.graphics.Color; | |
| 44 import dwt.graphics.Point; | |
| 45 import dwt.graphics.RGB; | |
| 46 import dwt.graphics.Rectangle; | |
| 47 import dwt.layout.GridLayout; | |
| 48 import dwt.widgets.Composite; | |
| 49 import dwt.widgets.Control; | |
| 50 import dwt.widgets.Display; | |
| 51 import dwt.widgets.Event; | |
| 52 import dwt.widgets.Listener; | |
| 53 import dwt.widgets.Shell; | |
| 54 import dwt.widgets.Table; | |
| 55 import dwt.widgets.TableItem; | |
| 56 import dwtx.jface.preference.IPreferenceStore; | |
| 57 import dwtx.jface.text.AbstractInformationControl; | |
| 58 import dwtx.jface.text.AbstractInformationControlManager; | |
| 59 import dwtx.jface.text.IInformationControl; | |
| 60 import dwtx.jface.text.IInformationControlCreator; | |
| 61 import dwtx.jface.text.IInformationControlExtension2; | |
| 62 import dwtx.jface.text.IInformationControlExtension3; | |
| 63 import dwtx.jface.text.IRegion; | |
| 64 import dwtx.jface.text.ITextHover; | |
| 65 import dwtx.jface.text.ITextHoverExtension; | |
| 66 import dwtx.jface.text.ITextViewer; | |
| 67 import dwtx.jface.text.IWidgetTokenKeeper; | |
| 68 import dwtx.jface.text.IWidgetTokenKeeperExtension; | |
| 69 import dwtx.jface.text.IWidgetTokenOwner; | |
| 70 import dwtx.jface.text.IWidgetTokenOwnerExtension; | |
| 71 import dwtx.jface.text.JFaceTextUtil; | |
| 72 import dwtx.jface.text.Region; | |
| 73 import dwtx.jface.util.Geometry; | |
| 74 import dwtx.jface.viewers.ColumnLabelProvider; | |
| 75 import dwtx.jface.viewers.IStructuredContentProvider; | |
| 76 import dwtx.jface.viewers.TableViewer; | |
| 77 import dwtx.jface.viewers.Viewer; | |
| 78 | |
| 79 | |
| 80 /** | |
| 81 * A hyperlink presenter capable of showing multiple hyperlinks in a hover. | |
| 82 * | |
| 83 * @since 3.4 | |
| 84 */ | |
| 85 public class MultipleHyperlinkPresenter : DefaultHyperlinkPresenter { | |
| 86 | |
| 87 /** | |
| 88 * An information control capable of showing a list of hyperlinks. The hyperlinks can be opened. | |
| 89 */ | |
| 90 private static class LinkListInformationControl : AbstractInformationControl , IInformationControlExtension2 { | |
| 91 | |
| 92 private static final class LinkContentProvider : IStructuredContentProvider { | |
| 93 | |
| 94 /* | |
| 95 * @see dwtx.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object) | |
| 96 */ | |
| 97 public Object[] getElements(Object inputElement) { | |
| 98 return (Object[]) inputElement; | |
| 99 } | |
| 100 | |
| 101 /* | |
| 102 * @see dwtx.jface.viewers.IContentProvider#dispose() | |
| 103 */ | |
| 104 public void dispose() { | |
| 105 } | |
| 106 | |
| 107 /* | |
| 108 * @see dwtx.jface.viewers.IContentProvider#inputChanged(dwtx.jface.viewers.Viewer, java.lang.Object, java.lang.Object) | |
| 109 */ | |
| 110 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { | |
| 111 } | |
| 112 } | |
| 113 | |
| 114 private static final class LinkLabelProvider : ColumnLabelProvider { | |
| 115 /* | |
| 116 * @see dwtx.jface.viewers.ColumnLabelProvider#getText(java.lang.Object) | |
| 117 */ | |
| 118 public String getText(Object element) { | |
| 119 IHyperlink link= (IHyperlink)element; | |
| 120 String text= link.getHyperlinkText(); | |
| 121 if (text !is null) | |
| 122 return text; | |
| 123 return HyperlinkMessages.getString("LinkListInformationControl.unknownLink"); //$NON-NLS-1$ | |
| 124 } | |
| 125 } | |
| 126 | |
| 127 private final MultipleHyperlinkHoverManager fManager; | |
| 128 | |
| 129 private IHyperlink[] fInput; | |
| 130 private Composite fParent; | |
| 131 private Table fTable; | |
| 132 | |
| 133 private Color fForegroundColor; | |
| 134 private Color fBackgroundColor; | |
| 135 | |
| 136 | |
| 137 /** | |
| 138 * Creates a link list information control with the given shell as parent. | |
| 139 * | |
| 140 * @param parentShell the parent shell | |
| 141 * @param manager the hover manager | |
| 142 * @param foregroundColor the foreground color, must not be disposed | |
| 143 * @param backgroundColor the background color, must not be disposed | |
| 144 */ | |
|
133
7d818bd32d63
Fix ctors to this with gvim regexp
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parents:
131
diff
changeset
|
145 public this(Shell parentShell, MultipleHyperlinkHoverManager manager, Color foregroundColor, Color backgroundColor) { |
| 129 | 146 super(parentShell, false); |
| 147 fManager= manager; | |
| 148 fForegroundColor= foregroundColor; | |
| 149 fBackgroundColor= backgroundColor; | |
| 150 create(); | |
| 151 } | |
| 152 | |
| 153 /* | |
| 154 * @see dwtx.jface.text.IInformationControl#setInformation(java.lang.String) | |
| 155 */ | |
| 156 public void setInformation(String information) { | |
| 157 //replaced by IInformationControlExtension2#setInput(java.lang.Object) | |
| 158 } | |
| 159 | |
| 160 /* | |
| 161 * @see dwtx.jface.text.IInformationControlExtension2#setInput(java.lang.Object) | |
| 162 */ | |
| 163 public void setInput(Object input) { | |
| 164 fInput= (IHyperlink[]) input; | |
| 165 deferredCreateContent(fParent); | |
| 166 } | |
| 167 | |
| 168 /* | |
| 169 * @see dwtx.jface.text.AbstractInformationControl#createContent(dwt.widgets.Composite) | |
| 170 */ | |
| 171 protected void createContent(Composite parent) { | |
| 172 fParent= parent; | |
| 173 if ("win32".equals(DWT.getPlatform())) { //$NON-NLS-1$ | |
| 174 GridLayout layout= new GridLayout(); | |
| 175 layout.marginWidth= 0; | |
| 176 layout.marginRight= 4; | |
| 177 fParent.setLayout(layout); | |
| 178 } | |
| 179 fParent.setForeground(fForegroundColor); | |
| 180 fParent.setBackground(fBackgroundColor); | |
| 181 } | |
| 182 | |
| 183 /* | |
| 184 * @see dwtx.jface.text.AbstractInformationControl#computeSizeHint() | |
| 185 */ | |
| 186 public Point computeSizeHint() { | |
| 187 Point preferedSize= getShell().computeSize(DWT.DEFAULT, DWT.DEFAULT, true); | |
| 188 | |
| 189 Point constraints= getSizeConstraints(); | |
| 190 if (constraints is null) | |
| 191 return preferedSize; | |
| 192 | |
| 193 if (fTable.getVerticalBar() is null || fTable.getHorizontalBar() is null) | |
| 194 return Geometry.min(constraints, preferedSize); | |
| 195 | |
| 196 int scrollBarWidth= fTable.getVerticalBar().getSize().x; | |
| 197 int scrollBarHeight= fTable.getHorizontalBar().getSize().y; | |
| 198 | |
| 199 int width; | |
| 200 if (preferedSize.y - scrollBarHeight <= constraints.y) { | |
| 201 width= preferedSize.x - scrollBarWidth; | |
| 202 fTable.getVerticalBar().setVisible(false); | |
| 203 } else { | |
| 204 width= Math.min(preferedSize.x, constraints.x); | |
| 205 } | |
| 206 | |
| 207 int height; | |
| 208 if (preferedSize.x - scrollBarWidth <= constraints.x) { | |
| 209 height= preferedSize.y - scrollBarHeight; | |
| 210 fTable.getHorizontalBar().setVisible(false); | |
| 211 } else { | |
| 212 height= Math.min(preferedSize.y, constraints.y); | |
| 213 } | |
| 214 | |
| 215 return new Point(width, height); | |
| 216 } | |
| 217 | |
| 218 private void deferredCreateContent(Composite parent) { | |
| 219 fTable= new Table(parent, DWT.SINGLE | DWT.FULL_SELECTION); | |
| 220 fTable.setLinesVisible(false); | |
| 221 fTable.setHeaderVisible(false); | |
| 222 fTable.setForeground(fForegroundColor); | |
| 223 fTable.setBackground(fBackgroundColor); | |
| 224 | |
| 225 final TableViewer viewer= new TableViewer(fTable); | |
| 226 viewer.setContentProvider(new LinkContentProvider()); | |
| 227 viewer.setLabelProvider(new LinkLabelProvider()); | |
| 228 viewer.setInput(fInput); | |
| 229 fTable.setSelection(0); | |
| 230 | |
| 231 registerTableListeners(); | |
| 232 | |
| 233 getShell().addShellListener(new ShellAdapter() { | |
| 234 | |
| 235 /* | |
| 236 * @see dwt.events.ShellAdapter#shellActivated(dwt.events.ShellEvent) | |
| 237 */ | |
| 238 public void shellActivated(ShellEvent e) { | |
| 239 if (viewer.getTable().getSelectionCount() is 0) { | |
| 240 viewer.getTable().setSelection(0); | |
| 241 } | |
| 242 | |
| 243 viewer.getTable().setFocus(); | |
| 244 } | |
| 245 }); | |
| 246 } | |
| 247 | |
| 248 private void registerTableListeners() { | |
| 249 | |
| 250 fTable.addMouseMoveListener(new MouseMoveListener() { | |
| 251 TableItem fLastItem= null; | |
| 252 | |
| 253 public void mouseMove(MouseEvent e) { | |
| 254 if (fTable.equals(e.getSource())) { | |
| 255 Object o= fTable.getItem(new Point(e.x, e.y)); | |
| 256 if (o instanceof TableItem) { | |
| 257 TableItem item= (TableItem) o; | |
| 258 if (!o.equals(fLastItem)) { | |
| 259 fLastItem= (TableItem) o; | |
| 260 fTable.setSelection(new TableItem[] { fLastItem }); | |
| 261 } else if (e.y < fTable.getItemHeight() / 4) { | |
| 262 // Scroll up | |
| 263 int index= fTable.indexOf(item); | |
| 264 if (index > 0) { | |
| 265 fLastItem= fTable.getItem(index - 1); | |
| 266 fTable.setSelection(new TableItem[] { fLastItem }); | |
| 267 } | |
| 268 } else if (e.y > fTable.getBounds().height - fTable.getItemHeight() / 4) { | |
| 269 // Scroll down | |
| 270 int index= fTable.indexOf(item); | |
| 271 if (index < fTable.getItemCount() - 1) { | |
| 272 fLastItem= fTable.getItem(index + 1); | |
| 273 fTable.setSelection(new TableItem[] { fLastItem }); | |
| 274 } | |
| 275 } | |
| 276 } | |
| 277 } | |
| 278 } | |
| 279 }); | |
| 280 | |
| 281 fTable.addSelectionListener(new SelectionAdapter() { | |
| 282 public void widgetSelected(SelectionEvent e) { | |
| 283 openSelectedLink(); | |
| 284 } | |
| 285 }); | |
| 286 | |
| 287 fTable.addMouseListener(new MouseAdapter() { | |
| 288 public void mouseUp(MouseEvent e) { | |
| 289 if (fTable.getSelectionCount() < 1) | |
| 290 return; | |
| 291 | |
| 292 if (e.button !is 1) | |
| 293 return; | |
| 294 | |
| 295 if (fTable.equals(e.getSource())) { | |
| 296 Object o= fTable.getItem(new Point(e.x, e.y)); | |
| 297 TableItem selection= fTable.getSelection()[0]; | |
| 298 if (selection.equals(o)) | |
| 299 openSelectedLink(); | |
| 300 } | |
| 301 } | |
| 302 }); | |
| 303 | |
| 304 fTable.addKeyListener(new KeyAdapter() { | |
| 305 public void keyPressed(KeyEvent e) { | |
| 306 if (e.keyCode is 0x0D) // return | |
| 307 openSelectedLink(); | |
| 308 } | |
| 309 }); | |
| 310 } | |
| 311 | |
| 312 /* | |
| 313 * @see dwtx.jface.text.IInformationControlExtension#hasContents() | |
| 314 */ | |
| 315 public bool hasContents() { | |
| 316 return true; | |
| 317 } | |
| 318 | |
| 319 /** | |
| 320 * Opens the currently selected link. | |
| 321 */ | |
| 322 private void openSelectedLink() { | |
| 323 TableItem selection= fTable.getSelection()[0]; | |
| 324 IHyperlink link= (IHyperlink)selection.getData(); | |
| 325 fManager.hideInformationControl(); | |
| 326 link.open(); | |
| 327 } | |
| 328 } | |
| 329 | |
| 330 private class MultipleHyperlinkHover : ITextHover, ITextHoverExtension { | |
| 331 | |
| 332 /** | |
| 333 * @see dwtx.jface.text.ITextHover#getHoverInfo(dwtx.jface.text.ITextViewer, dwtx.jface.text.IRegion) | |
| 334 * @deprecated | |
| 335 */ | |
| 336 public String getHoverInfo(ITextViewer textViewer, IRegion hoverRegion) { | |
| 337 return null; | |
| 338 } | |
| 339 | |
| 340 /* | |
| 341 * @see dwtx.jface.text.ITextHover#getHoverRegion(dwtx.jface.text.ITextViewer, int) | |
| 342 */ | |
| 343 public IRegion getHoverRegion(ITextViewer textViewer, int offset) { | |
| 344 return fSubjectRegion; | |
| 345 } | |
| 346 | |
| 347 /* | |
| 348 * @see dwtx.jface.text.ITextHoverExtension2#getHoverInfo2(dwtx.jface.text.ITextViewer, dwtx.jface.text.IRegion) | |
| 349 */ | |
| 350 public Object getHoverInfo2(ITextViewer textViewer, IRegion hoverRegion) { | |
| 351 return fHyperlinks; | |
| 352 } | |
| 353 | |
| 354 /* | |
| 355 * @see dwtx.jface.text.ITextHoverExtension#getHoverControlCreator() | |
| 356 */ | |
| 357 public IInformationControlCreator getHoverControlCreator() { | |
| 358 return new IInformationControlCreator() { | |
| 359 public IInformationControl createInformationControl(Shell parent) { | |
| 360 Color foregroundColor= fTextViewer.getTextWidget().getForeground(); | |
| 361 Color backgroundColor= fTextViewer.getTextWidget().getBackground(); | |
| 362 return new LinkListInformationControl(parent, fManager, foregroundColor, backgroundColor); | |
| 363 } | |
| 364 }; | |
| 365 } | |
| 366 } | |
| 367 | |
| 368 private static class MultipleHyperlinkHoverManager : AbstractInformationControlManager , IWidgetTokenKeeper, IWidgetTokenKeeperExtension { | |
| 369 | |
| 370 private class Closer : IInformationControlCloser, Listener, KeyListener { | |
| 371 | |
| 372 private Control fSubjectControl; | |
| 373 private Display fDisplay; | |
| 374 private IInformationControl fControl; | |
| 375 private Rectangle fSubjectArea; | |
| 376 | |
| 377 /* | |
| 378 * @see dwtx.jface.text.AbstractInformationControlManager.IInformationControlCloser#setInformationControl(dwtx.jface.text.IInformationControl) | |
| 379 */ | |
| 380 public void setInformationControl(IInformationControl control) { | |
| 381 fControl= control; | |
| 382 } | |
| 383 | |
| 384 /* | |
| 385 * @see dwtx.jface.text.AbstractInformationControlManager.IInformationControlCloser#setSubjectControl(dwt.widgets.Control) | |
| 386 */ | |
| 387 public void setSubjectControl(Control subject) { | |
| 388 fSubjectControl= subject; | |
| 389 } | |
| 390 | |
| 391 /* | |
| 392 * @see dwtx.jface.text.AbstractInformationControlManager.IInformationControlCloser#start(dwt.graphics.Rectangle) | |
| 393 */ | |
| 394 public void start(Rectangle subjectArea) { | |
| 395 fSubjectArea= subjectArea; | |
| 396 | |
| 397 fDisplay= fSubjectControl.getDisplay(); | |
| 398 if (!fDisplay.isDisposed()) { | |
| 399 fDisplay.addFilter(DWT.FocusOut, this); | |
| 400 fDisplay.addFilter(DWT.MouseMove, this); | |
| 401 fTextViewer.getTextWidget().addKeyListener(this); | |
| 402 } | |
| 403 } | |
| 404 | |
| 405 /* | |
| 406 * @see dwtx.jface.text.AbstractInformationControlManager.IInformationControlCloser#stop() | |
| 407 */ | |
| 408 public void stop() { | |
| 409 if (fDisplay !is null && !fDisplay.isDisposed()) { | |
| 410 fDisplay.removeFilter(DWT.FocusOut, this); | |
| 411 fDisplay.removeFilter(DWT.MouseMove, this); | |
| 412 fTextViewer.getTextWidget().removeKeyListener(this); | |
| 413 } | |
| 414 | |
| 415 fSubjectArea= null; | |
| 416 } | |
| 417 | |
| 418 /* | |
| 419 * @see dwt.widgets.Listener#handleEvent(dwt.widgets.Event) | |
| 420 */ | |
| 421 public void handleEvent(Event event) { | |
| 422 switch (event.type) { | |
| 423 case DWT.FocusOut: | |
| 424 if (!fControl.isFocusControl()) | |
| 425 disposeInformationControl(); | |
| 426 break; | |
| 427 case DWT.MouseMove: | |
| 428 handleMouseMove(event); | |
| 429 break; | |
| 430 } | |
| 431 } | |
| 432 | |
| 433 /** | |
| 434 * Handle mouse movement events. | |
| 435 * | |
| 436 * @param event the event | |
| 437 */ | |
| 438 private void handleMouseMove(Event event) { | |
| 439 if (!(event.widget instanceof Control)) | |
| 440 return; | |
| 441 | |
| 442 if (fControl.isFocusControl()) | |
| 443 return; | |
| 444 | |
| 445 Control eventControl= (Control) event.widget; | |
| 446 | |
| 447 //transform coordinates to subject control: | |
| 448 Point mouseLoc= event.display.map(eventControl, fSubjectControl, event.x, event.y); | |
| 449 | |
| 450 if (fSubjectArea.contains(mouseLoc)) | |
| 451 return; | |
| 452 | |
| 453 if (inKeepUpZone(mouseLoc.x, mouseLoc.y, ((IInformationControlExtension3) fControl).getBounds())) | |
| 454 return; | |
| 455 | |
| 456 hideInformationControl(); | |
| 457 } | |
| 458 | |
| 459 /** | |
| 460 * Tests whether a given mouse location is within the keep-up zone. | |
| 461 * The hover should not be hidden as long as the mouse stays inside this zone. | |
| 462 * | |
| 463 * @param x the x coordinate, relative to the <em>subject control</em> | |
| 464 * @param y the y coordinate, relative to the <em>subject control</em> | |
| 465 * @param controlBounds the bounds of the current control | |
| 466 * | |
| 467 * @return <code>true</code> iff the mouse event occurred in the keep-up zone | |
| 468 */ | |
| 469 private bool inKeepUpZone(int x, int y, Rectangle controlBounds) { | |
| 470 // +-----------+ | |
| 471 // |subjectArea| | |
| 472 // +-----------+ | |
| 473 // |also keepUp| | |
| 474 // ++-----------+-------+ | |
| 475 // | totalBounds | | |
| 476 // +--------------------+ | |
| 477 if (fSubjectArea.contains(x, y)) | |
| 478 return true; | |
| 479 | |
| 480 Rectangle iControlBounds= fSubjectControl.getDisplay().map(null, fSubjectControl, controlBounds); | |
| 481 Rectangle totalBounds= Geometry.copy(iControlBounds); | |
| 482 if (totalBounds.contains(x, y)) | |
| 483 return true; | |
| 484 | |
| 485 int keepUpY= fSubjectArea.y + fSubjectArea.height; | |
| 486 Rectangle alsoKeepUp= new Rectangle(fSubjectArea.x, keepUpY, fSubjectArea.width, totalBounds.y - keepUpY); | |
| 487 return alsoKeepUp.contains(x, y); | |
| 488 } | |
| 489 | |
| 490 /* | |
| 491 * @see dwt.events.KeyListener#keyPressed(dwt.events.KeyEvent) | |
| 492 */ | |
| 493 public void keyPressed(KeyEvent e) { | |
| 494 } | |
| 495 | |
| 496 /* | |
| 497 * @see dwt.events.KeyListener#keyReleased(dwt.events.KeyEvent) | |
| 498 */ | |
| 499 public void keyReleased(KeyEvent e) { | |
| 500 hideInformationControl(); | |
| 501 } | |
| 502 | |
| 503 } | |
| 504 | |
| 505 /** | |
| 506 * Priority of the hover managed by this manager. | |
| 507 * Default value: One higher then for the hovers | |
| 508 * managed by TextViewerHoverManager. | |
| 509 */ | |
| 510 private static final int WIDGET_TOKEN_PRIORITY= 1; | |
| 511 | |
| 512 private final MultipleHyperlinkHover fHover; | |
| 513 private final ITextViewer fTextViewer; | |
| 514 private final MultipleHyperlinkPresenter fHyperlinkPresenter; | |
| 515 private Closer fCloser; | |
| 516 private bool fIsControlVisible; | |
| 517 | |
| 518 | |
| 519 /** | |
| 520 * Create a new MultipleHyperlinkHoverManager. The MHHM can show and hide | |
| 521 * the given MultipleHyperlinkHover inside the given ITextViewer. | |
| 522 * | |
| 523 * @param hover the hover to manage | |
| 524 * @param viewer the viewer to show the hover in | |
| 525 * @param hyperlinkPresenter the hyperlink presenter using this manager to present hyperlinks | |
| 526 */ | |
|
133
7d818bd32d63
Fix ctors to this with gvim regexp
Frank Benoit <benoit@tionex.de>
parents:
131
diff
changeset
|
527 public this(MultipleHyperlinkHover hover, ITextViewer viewer, MultipleHyperlinkPresenter hyperlinkPresenter) { |
| 129 | 528 super(hover.getHoverControlCreator()); |
| 529 | |
| 530 fHover= hover; | |
| 531 fTextViewer= viewer; | |
| 532 fHyperlinkPresenter= hyperlinkPresenter; | |
| 533 | |
| 534 fCloser= new Closer(); | |
| 535 setCloser(fCloser); | |
| 536 fIsControlVisible= false; | |
| 537 } | |
| 538 | |
| 539 /* | |
| 540 * @see dwtx.jface.text.AbstractInformationControlManager#computeInformation() | |
| 541 */ | |
| 542 protected void computeInformation() { | |
| 543 IRegion region= fHover.getHoverRegion(fTextViewer, -1); | |
| 544 if (region is null) { | |
| 545 setInformation(null, null); | |
| 546 return; | |
| 547 } | |
| 548 | |
| 549 Rectangle area= JFaceTextUtil.computeArea(region, fTextViewer); | |
| 550 if (area is null || area.isEmpty()) { | |
| 551 setInformation(null, null); | |
| 552 return; | |
| 553 } | |
| 554 | |
| 555 Object information= fHover.getHoverInfo2(fTextViewer, region); | |
| 556 setCustomInformationControlCreator(fHover.getHoverControlCreator()); | |
| 557 setInformation(information, area); | |
| 558 } | |
| 559 | |
| 560 /* | |
| 561 * @see dwtx.jface.text.AbstractInformationControlManager#computeInformationControlLocation(dwt.graphics.Rectangle, dwt.graphics.Point) | |
| 562 */ | |
| 563 protected Point computeInformationControlLocation(Rectangle subjectArea, Point controlSize) { | |
| 564 Point result= super.computeInformationControlLocation(subjectArea, controlSize); | |
| 565 | |
| 566 Point cursorLocation= fTextViewer.getTextWidget().getDisplay().getCursorLocation(); | |
| 567 if (cursorLocation.x <= result.x + controlSize.x) | |
| 568 return result; | |
| 569 | |
| 570 result.x= cursorLocation.x + 20 - controlSize.x; | |
| 571 return result; | |
| 572 } | |
| 573 | |
| 574 /* | |
| 575 * @see dwtx.jface.text.AbstractInformationControlManager#showInformationControl(dwt.graphics.Rectangle) | |
| 576 */ | |
| 577 protected void showInformationControl(Rectangle subjectArea) { | |
| 578 if (fTextViewer instanceof IWidgetTokenOwnerExtension) { | |
| 579 if (((IWidgetTokenOwnerExtension) fTextViewer).requestWidgetToken(this, WIDGET_TOKEN_PRIORITY)) | |
| 580 super.showInformationControl(subjectArea); | |
| 581 } else if (fTextViewer instanceof IWidgetTokenOwner) { | |
| 582 if (((IWidgetTokenOwner) fTextViewer).requestWidgetToken(this)) | |
| 583 super.showInformationControl(subjectArea); | |
| 584 } else { | |
| 585 super.showInformationControl(subjectArea); | |
| 586 } | |
| 587 | |
| 588 fIsControlVisible= true; | |
| 589 } | |
| 590 | |
| 591 /* | |
| 592 * @see dwtx.jface.text.AbstractInformationControlManager#hideInformationControl() | |
| 593 */ | |
| 594 protected void hideInformationControl() { | |
| 595 super.hideInformationControl(); | |
| 596 | |
| 597 if (fTextViewer instanceof IWidgetTokenOwner) { | |
| 598 ((IWidgetTokenOwner) fTextViewer).releaseWidgetToken(this); | |
| 599 } | |
| 600 | |
| 601 fIsControlVisible= false; | |
| 602 fHyperlinkPresenter.hideHyperlinks(); | |
| 603 } | |
| 604 | |
| 605 /* | |
| 606 * @see dwtx.jface.text.AbstractInformationControlManager#disposeInformationControl() | |
| 607 */ | |
| 608 public void disposeInformationControl() { | |
| 609 super.disposeInformationControl(); | |
| 610 | |
| 611 if (fTextViewer instanceof IWidgetTokenOwner) { | |
| 612 ((IWidgetTokenOwner) fTextViewer).releaseWidgetToken(this); | |
| 613 } | |
| 614 | |
| 615 fIsControlVisible= false; | |
| 616 fHyperlinkPresenter.hideHyperlinks(); | |
| 617 } | |
| 618 | |
| 619 /* | |
| 620 * @see dwtx.jface.text.IWidgetTokenKeeper#requestWidgetToken(dwtx.jface.text.IWidgetTokenOwner) | |
| 621 */ | |
| 622 public bool requestWidgetToken(IWidgetTokenOwner owner) { | |
| 623 hideInformationControl(); | |
| 624 return true; | |
| 625 } | |
| 626 | |
| 627 /* | |
| 628 * @see dwtx.jface.text.IWidgetTokenKeeperExtension#requestWidgetToken(dwtx.jface.text.IWidgetTokenOwner, int) | |
| 629 */ | |
| 630 public bool requestWidgetToken(IWidgetTokenOwner owner, int priority) { | |
| 631 if (priority < WIDGET_TOKEN_PRIORITY) | |
| 632 return false; | |
| 633 | |
| 634 hideInformationControl(); | |
| 635 return true; | |
| 636 } | |
| 637 | |
| 638 /* | |
| 639 * @see dwtx.jface.text.IWidgetTokenKeeperExtension#setFocus(dwtx.jface.text.IWidgetTokenOwner) | |
| 640 */ | |
| 641 public bool setFocus(IWidgetTokenOwner owner) { | |
| 642 return false; | |
| 643 } | |
| 644 | |
| 645 /** | |
| 646 * Returns <code>true</code> if the information control managed by | |
| 647 * this manager is visible, <code>false</code> otherwise. | |
| 648 * | |
| 649 * @return <code>true</code> if information control is visible | |
| 650 */ | |
| 651 public bool isInformationControlVisible() { | |
| 652 return fIsControlVisible; | |
| 653 } | |
| 654 } | |
| 655 | |
| 656 private ITextViewer fTextViewer; | |
| 657 | |
| 658 private IHyperlink[] fHyperlinks; | |
| 659 private Region fSubjectRegion; | |
| 660 private MultipleHyperlinkHoverManager fManager; | |
| 661 | |
| 662 /** | |
| 663 * Creates a new multiple hyperlink presenter which uses | |
| 664 * {@link #HYPERLINK_COLOR} to read the color from the given preference store. | |
| 665 * | |
| 666 * @param store the preference store | |
| 667 */ | |
|
133
7d818bd32d63
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parents:
131
diff
changeset
|
668 public this(IPreferenceStore store) { |
| 129 | 669 super(store); |
| 670 } | |
| 671 | |
| 672 /** | |
| 673 * Creates a new multiple hyperlink presenter. | |
| 674 * | |
| 675 * @param color the hyperlink color, to be disposed by the caller | |
| 676 */ | |
|
133
7d818bd32d63
Fix ctors to this with gvim regexp
Frank Benoit <benoit@tionex.de>
parents:
131
diff
changeset
|
677 public this(RGB color) { |
| 129 | 678 super(color); |
| 679 } | |
| 680 | |
| 681 /* | |
| 682 * @see dwtx.jface.text.hyperlink.DefaultHyperlinkPresenter#install(dwtx.jface.text.ITextViewer) | |
| 683 */ | |
| 684 public void install(ITextViewer viewer) { | |
| 685 super.install(viewer); | |
| 686 fTextViewer= viewer; | |
| 687 | |
| 688 fManager= new MultipleHyperlinkHoverManager(new MultipleHyperlinkHover(), fTextViewer, this); | |
| 689 fManager.install(viewer.getTextWidget()); | |
| 690 fManager.setSizeConstraints(100, 12, false, true); | |
| 691 } | |
| 692 | |
| 693 /* | |
| 694 * @see dwtx.jface.text.hyperlink.DefaultHyperlinkPresenter#uninstall() | |
| 695 */ | |
| 696 public void uninstall() { | |
| 697 super.uninstall(); | |
| 698 | |
| 699 if (fTextViewer !is null) { | |
| 700 fManager.dispose(); | |
| 701 | |
| 702 fTextViewer= null; | |
| 703 } | |
| 704 } | |
| 705 | |
| 706 /* | |
| 707 * @see dwtx.jface.text.hyperlink.DefaultHyperlinkPresenter#canShowMultipleHyperlinks() | |
| 708 */ | |
| 709 public bool canShowMultipleHyperlinks() { | |
| 710 return true; | |
| 711 } | |
| 712 | |
| 713 /* | |
| 714 * @see dwtx.jface.text.hyperlink.DefaultHyperlinkPresenter#canHideHyperlinks() | |
| 715 */ | |
| 716 public bool canHideHyperlinks() { | |
| 717 return !fManager.isInformationControlVisible(); | |
| 718 } | |
| 719 | |
| 720 /* | |
| 721 * @see dwtx.jface.text.hyperlink.DefaultHyperlinkPresenter#hideHyperlinks() | |
| 722 */ | |
| 723 public void hideHyperlinks() { | |
| 724 super.hideHyperlinks(); | |
| 725 | |
| 726 fHyperlinks= null; | |
| 727 } | |
| 728 | |
| 729 /* | |
| 730 * @see dwtx.jface.text.hyperlink.DefaultHyperlinkPresenter#showHyperlinks(dwtx.jface.text.hyperlink.IHyperlink[]) | |
| 731 */ | |
| 732 public void showHyperlinks(IHyperlink[] hyperlinks) { | |
| 733 super.showHyperlinks(new IHyperlink[] { hyperlinks[0] }); | |
| 734 | |
| 735 fSubjectRegion= null; | |
| 736 fHyperlinks= hyperlinks; | |
| 737 | |
| 738 if (hyperlinks.length is 1) | |
| 739 return; | |
| 740 | |
| 741 int start= hyperlinks[0].getHyperlinkRegion().getOffset(); | |
| 742 int end= start + hyperlinks[0].getHyperlinkRegion().getLength(); | |
| 743 | |
| 744 for (int i= 1; i < hyperlinks.length; i++) { | |
| 745 int hstart= hyperlinks[i].getHyperlinkRegion().getOffset(); | |
| 746 int hend= hstart + hyperlinks[i].getHyperlinkRegion().getLength(); | |
| 747 | |
| 748 start= Math.min(start, hstart); | |
| 749 end= Math.max(end, hend); | |
| 750 } | |
| 751 | |
| 752 fSubjectRegion= new Region(start, end - start); | |
| 753 | |
| 754 fManager.showInformation(); | |
| 755 } | |
| 756 } |