Skip to main content
aboutsummaryrefslogtreecommitdiffstats
blob: 71b70740829884248f4af83ea7bdb3ae6cefed00 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
/*******************************************************************************
 * Copyright (c) 2004, 2015 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Wind River Systems - Ted Williams - [Memory View] Memory View: Workflow Enhancements (Bug 215432)
 *******************************************************************************/
package org.eclipse.debug.internal.ui.views.memory;

import java.util.ArrayList;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.StringTokenizer;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.preferences.IEclipsePreferences;
import org.eclipse.core.runtime.preferences.InstanceScope;
import org.eclipse.debug.internal.ui.DebugUIMessages;
import org.eclipse.debug.internal.ui.DebugUIPlugin;
import org.eclipse.debug.internal.ui.views.variables.VariablesViewMessages;
import org.eclipse.debug.ui.DebugUITools;
import org.eclipse.debug.ui.IDebugUIConstants;
import org.eclipse.debug.ui.memory.IMemoryRendering;
import org.eclipse.debug.ui.memory.IMemoryRenderingContainer;
import org.eclipse.debug.ui.memory.IMemoryRenderingSite;
import org.eclipse.debug.ui.memory.IMemoryRenderingSite2;
import org.eclipse.debug.ui.memory.IMemoryRenderingSynchronizationService;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.jface.action.ToolBarManager;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.SashForm;
import org.eclipse.swt.custom.ViewForm;
import org.eclipse.swt.events.FocusAdapter;
import org.eclipse.swt.events.FocusEvent;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IPartListener2;
import org.eclipse.ui.IViewReference;
import org.eclipse.ui.IViewSite;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchPartReference;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.commands.ICommandService;
import org.eclipse.ui.contexts.IContextService;
import org.eclipse.ui.handlers.IHandlerService;
import org.eclipse.ui.part.ViewPart;
import org.osgi.service.prefs.BackingStoreException;

/**
 *
 * @since 3.0
 */
public class MemoryView extends ViewPart implements IMemoryRenderingSite2 {

	protected MemoryViewSelectionProvider fSelectionProvider;
	private MemoryViewPartListener fPartListener;

	private SashForm fSashForm;
	private Hashtable<String, IMemoryViewPane> fViewPanes = new Hashtable<>();
	private Hashtable<String, ViewForm> fViewPaneControls = new Hashtable<>();
	private ArrayList<String> fVisibleViewPanes = new ArrayList<>();
	private boolean fVisible;

	private ArrayList<Integer> fWeights = new ArrayList<>();

	private static final String VISIBILITY_PREF = IDebugUIConstants.ID_MEMORY_VIEW + ".viewPanesVisibility"; //$NON-NLS-1$
	private static final String ID_MEMORY_VIEW_CONTEXT = "org.eclipse.debug.ui.memoryview"; //$NON-NLS-1$
	private static final String ID_ADD_MEMORY_BLOCK_COMMAND = "org.eclipse.debug.ui.commands.addMemoryMonitor"; //$NON-NLS-1$
	private static final String ID_TOGGLE_MEMORY_MONITORS_PANE_COMMAND = "org.eclipse.debug.ui.commands.toggleMemoryMonitorsPane"; //$NON-NLS-1$
	private static final String ID_NEXT_MEMORY_BLOCK_COMMAND = "org.eclipse.debug.ui.commands.nextMemoryBlock"; //$NON-NLS-1$
	private static final String ID_NEW_RENDERING_COMMAND = "org.eclipse.debug.ui.commands.newRendering"; //$NON-NLS-1$
	private static final String ID_CLOSE_RENDERING_COMMAND = "org.eclipse.debug.ui.commands.closeRendering"; //$NON-NLS-1$

	public static final String VIEW_PANE_ORIENTATION_PREF = IDebugUIConstants.ID_MEMORY_VIEW + ".orientation"; //$NON-NLS-1$
	public static final int HORIZONTAL_VIEW_ORIENTATION = 0;
	public static final int VERTICAL_VIEW_ORIENTATION = 1;

	private String[] defaultVisiblePaneIds = {
			MemoryBlocksTreeViewPane.PANE_ID,
			IDebugUIConstants.ID_RENDERING_VIEW_PANE_1 };

	private MemoryBlocksTreeViewPane fMemBlkViewer;

	private MemoryViewSynchronizationService fSyncService;

	private boolean fPinMBDisplay = false; // pin memory block display, on by
											// default
	private static int fViewCnt = 0;

	private AbstractHandler fAddHandler;
	private AbstractHandler fToggleMonitorsHandler;
	private AbstractHandler fNextMemoryBlockHandler;
	private AbstractHandler fNewRenderingHandler;
	private AbstractHandler fCloseRenderingHandler;

	private ViewPaneOrientationAction[] fOrientationActions;
	private int fViewOrientation = HORIZONTAL_VIEW_ORIENTATION;

	private String fActivePaneId;

	class MemoryViewSelectionProvider implements ISelectionProvider, ISelectionChangedListener {
		ArrayList<ISelectionChangedListener> fListeners = new ArrayList<>();

		IStructuredSelection fSelections = new StructuredSelection();

		@Override
		public void addSelectionChangedListener(ISelectionChangedListener listener) {
			if (!fListeners.contains(listener)) {
				fListeners.add(listener);
			}

		}

		@Override
		public ISelection getSelection() {
			return fSelections;
		}

		@Override
		public void removeSelectionChangedListener(ISelectionChangedListener listener) {
			if (fListeners.contains(listener)) {
				fListeners.remove(listener);
			}

		}

		@Override
		public void setSelection(ISelection selection) {
			if (selection instanceof IStructuredSelection) {
				boolean fireChanged = false;

				// only fire change event if the selection has really changed
				if (fSelections.getFirstElement() != ((IStructuredSelection) selection).getFirstElement()) {
					fireChanged = true;
				}

				fSelections = (IStructuredSelection) selection;

				if (fireChanged) {
					fireChanged();
				}
			}
		}

		public void fireChanged() {
			SelectionChangedEvent evt = new SelectionChangedEvent(this, getSelection());
			for (int i = 0; i < fListeners.size(); i++) {
				fListeners.get(i).selectionChanged(evt);
			}
		}

		@Override
		public void selectionChanged(SelectionChangedEvent event) {
			ISelection viewPaneSelection = event.getSelection();

			if (viewPaneSelection instanceof IStructuredSelection) {
				Object selected = ((IStructuredSelection) viewPaneSelection).getFirstElement();

				if (selected != null) {
					StructuredSelection strucSelection = new StructuredSelection(new Object[] { selected });
					setSelection(strucSelection);
				} else {
					setSelection(viewPaneSelection);
				}
			}
		}
	}

	class MemoryViewPartListener implements IPartListener2 {
		IMemoryRenderingSite fView = null;

		public MemoryViewPartListener(IMemoryRenderingSite view) {
			fView = view;
		}

		@Override
		public void partActivated(IWorkbenchPartReference ref) {
		}

		@Override
		public void partBroughtToTop(IWorkbenchPartReference ref) {
		}

		@Override
		public void partClosed(IWorkbenchPartReference ref) {
		}

		@Override
		public void partDeactivated(IWorkbenchPartReference ref) {
		}

		@Override
		public void partHidden(IWorkbenchPartReference ref) {

			IWorkbenchPart part = ref.getPart(false);

			if (part == fView) {
				setVisible(false);
			}
		}

		@Override
		public void partVisible(IWorkbenchPartReference ref) {
			IWorkbenchPart part = ref.getPart(false);

			if (part == fView) {
				setVisible(true);
				restoreView();
			}
		}

		@Override
		public void partInputChanged(IWorkbenchPartReference ref) {
		}

		@Override
		public void partOpened(IWorkbenchPartReference ref) {
		}
	}

	@Override
	public void init(IViewSite site) throws PartInitException {
		super.init(site);

		fViewCnt++;
		String secondaryId = site.getSecondaryId();
		if (secondaryId != null) {
			MemoryViewIdRegistry.registerView(secondaryId);
		}

		// only do this the first time
		// not sure if there is a bug in the UI... if the view is
		// not a primary view and if it's hidden, the view is not
		// init and created until it becomes visible.
		if (fViewCnt == 1) {
			// also try to find other views and register
			if (DebugUIPlugin.getActiveWorkbenchWindow() != null && DebugUIPlugin.getActiveWorkbenchWindow().getActivePage() != null) {
				IViewReference references[] = DebugUIPlugin.getActiveWorkbenchWindow().getActivePage().getViewReferences();
				for (int i = 0; i < references.length; i++) {
					if (references[i].getSecondaryId() != null) {
						MemoryViewIdRegistry.registerView(references[i].getSecondaryId());
					}
				}
			}
		}

		fSyncService = new MemoryViewSynchronizationService();
	}

	@Override
	public void createPartControl(Composite parent) {
		fSashForm = new SashForm(parent, SWT.HORIZONTAL);

		fSelectionProvider = new MemoryViewSelectionProvider();

		// set up selection provider and listeners
		getSite().setSelectionProvider(fSelectionProvider);

		createMemoryBlocksTreeViewPane(fSashForm);
		createRenderingViewPane(IDebugUIConstants.ID_RENDERING_VIEW_PANE_1);
		createRenderingViewPane(IDebugUIConstants.ID_RENDERING_VIEW_PANE_2);

		setVisible(true);

		// set up weights in sashform
		Integer[] weights = fWeights.toArray(new Integer[fWeights.size()]);
		int[] intWeights = new int[weights.length];
		for (int i = 0; i < weights.length; i++) {
			intWeights[i] = weights[i].intValue();
		}
		fSashForm.setWeights(intWeights);
		loadViewPanesVisibility();

		createOrientationActions();
		loadOrientation();

		fPartListener = new MemoryViewPartListener(this);
		getSite().getPage().addPartListener(fPartListener);
		activateHandlers();
		// restore view pane after finishing creating all the view panes
		restoreView();
	}

	public void activateHandlers() {
		ICommandService commandSupport = getSite().getService(ICommandService.class);
		IHandlerService handlerService = getSite().getService(IHandlerService.class);
		IContextService contextSupport = getSite().getService(IContextService.class);

		if (commandSupport != null && handlerService != null && contextSupport != null) {
			contextSupport.activateContext(ID_MEMORY_VIEW_CONTEXT);

			fAddHandler = new AbstractHandler() {
				@Override
				public Object execute(ExecutionEvent event) throws ExecutionException {
					IAdaptable context = DebugUITools.getPartDebugContext(getSite());
					if (context != null && MemoryViewUtil.isValidSelection(new StructuredSelection(context))) {
						RetargetAddMemoryBlockAction action = new RetargetAddMemoryBlockAction(MemoryView.this);
						action.run();
						action.dispose();
					}
					return null;
				}
			};
			handlerService.activateHandler(ID_ADD_MEMORY_BLOCK_COMMAND, fAddHandler);

			fToggleMonitorsHandler = new AbstractHandler() {
				@Override
				public Object execute(ExecutionEvent event) throws ExecutionException {
					ToggleMemoryMonitorsAction action = new ToggleMemoryMonitorsAction();
					action.init(MemoryView.this);
					action.run();
					action.dispose();
					return null;
				}
			};

			handlerService.activateHandler(ID_TOGGLE_MEMORY_MONITORS_PANE_COMMAND, fToggleMonitorsHandler);

			fNextMemoryBlockHandler = new AbstractHandler() {

				@Override
				public Object execute(ExecutionEvent event) throws ExecutionException {
					SwitchMemoryBlockAction action = new SwitchMemoryBlockAction();
					action.init(MemoryView.this);
					action.run();
					action.dispose();
					return null;
				}
			};
			handlerService.activateHandler(ID_NEXT_MEMORY_BLOCK_COMMAND, fNextMemoryBlockHandler);

			fCloseRenderingHandler = new AbstractHandler() {

				@Override
				public Object execute(ExecutionEvent event) throws ExecutionException {

					IMemoryRenderingContainer container = getContainer(fActivePaneId);
					if (container != null) {
						if (container instanceof RenderingViewPane) {
							if (!((RenderingViewPane) container).canRemoveRendering()) {
								return null;
							}
						}
						IMemoryRendering activeRendering = container.getActiveRendering();
						if (activeRendering != null) {
							container.removeMemoryRendering(activeRendering);
						}
					}

					return null;
				}
			};
			handlerService.activateHandler(ID_CLOSE_RENDERING_COMMAND, fCloseRenderingHandler);

			fNewRenderingHandler = new AbstractHandler() {

				@Override
				public Object execute(ExecutionEvent event) throws ExecutionException {

					IMemoryRenderingContainer container = getContainer(fActivePaneId);

					if (container != null && container instanceof RenderingViewPane) {
						RenderingViewPane pane = (RenderingViewPane) container;
						if (pane.canAddRendering()) {
							pane.showCreateRenderingTab();
						}
					}
					return null;
				}
			};
			handlerService.activateHandler(ID_NEW_RENDERING_COMMAND, fNewRenderingHandler);
		}
	}

	/**
	 *
	 */
	private void createMemoryBlocksTreeViewPane(Composite parent) {

		fMemBlkViewer = new MemoryBlocksTreeViewPane(this);
		fViewPanes.put(MemoryBlocksTreeViewPane.PANE_ID, fMemBlkViewer);
		ViewForm viewerViewForm = new ViewForm(parent, SWT.NONE);
		PlatformUI.getWorkbench().getHelpSystem().setHelp(viewerViewForm, IDebugUIConstants.PLUGIN_ID + ".MemoryView_context"); //$NON-NLS-1$
		fViewPaneControls.put(MemoryBlocksTreeViewPane.PANE_ID, viewerViewForm);
		fWeights.add(Integer.valueOf(15));

		fMemBlkViewer.addSelectionListener(fSelectionProvider);

		Control viewerControl = fMemBlkViewer.createViewPane(viewerViewForm, MemoryBlocksTreeViewPane.PANE_ID, DebugUIMessages.MemoryView_Memory_monitors);
		viewerViewForm.setContent(viewerControl);

		ISelection selection = fMemBlkViewer.getSelectionProvider().getSelection();
		if (selection != null) {
			fSelectionProvider.setSelection(selection);
		}

		ToolBarManager viewerToolBarMgr = new ToolBarManager(SWT.FLAT);
		IAction[] actions = fMemBlkViewer.getActions();
		for (int i = 0; i < actions.length; i++) {
			viewerToolBarMgr.add(actions[i]);
		}
		ToolBar viewerToolbar = viewerToolBarMgr.createControl(viewerViewForm);
		viewerViewForm.setTopRight(viewerToolbar);

		Label viewerLabel = new Label(viewerViewForm, SWT.WRAP);
		viewerLabel.setText(DebugUIMessages.MemoryView_Memory_monitors);
		viewerViewForm.setTopLeft(viewerLabel);

		fMemBlkViewer.getControl().addFocusListener(new FocusAdapter() {
			@Override
			public void focusGained(FocusEvent e) {
				fActivePaneId = fMemBlkViewer.getId();
			}
		});
	}

	/**
	 * @return an activate listener for the given view pane
	 *
	 */
	private Listener createDeactivateListener(final IMemoryViewPane viewPane) {
		Listener deactivateListener = new Listener() {
			private String id = viewPane.getId();

			@Override
			public void handleEvent(Event event) {
				if (fActivePaneId.equals(id)) {
					viewPane.removeSelctionListener(fSelectionProvider);
				}
			}
		};
		return deactivateListener;
	}

	/**
	 * @return a deactivate listener for the given view pane
	 */
	private Listener createActivateListener(final IMemoryViewPane viewPane) {
		Listener activateListener = new Listener() {
			private String id = viewPane.getId();

			@Override
			public void handleEvent(Event event) {
				fActivePaneId = id;
				viewPane.addSelectionListener(fSelectionProvider);
				fSelectionProvider.setSelection(viewPane.getSelectionProvider().getSelection());
			}
		};
		return activateListener;
	}

	/**
	 *
	 */
	public void createRenderingViewPane(final String paneId) {
		final RenderingViewPane renderingPane = new RenderingViewPane(this);
		fViewPanes.put(paneId, renderingPane);
		ViewForm renderingViewForm = new ViewForm(fSashForm, SWT.NONE);
		fViewPaneControls.put(paneId, renderingViewForm);
		fWeights.add(Integer.valueOf(40));

		Control renderingControl = renderingPane.createViewPane(renderingViewForm, paneId, DebugUIMessages.MemoryView_Memory_renderings, true, true);
		PlatformUI.getWorkbench().getHelpSystem().setHelp(renderingControl, IDebugUIConstants.PLUGIN_ID + ".MemoryView_context"); //$NON-NLS-1$
		renderingViewForm.setContent(renderingControl);

		Listener renderingActivateListener = createActivateListener(renderingPane);
		renderingControl.addListener(SWT.Activate, renderingActivateListener);

		Listener renderingDeactivateListener = createDeactivateListener(renderingPane);
		renderingControl.addListener(SWT.Deactivate, renderingDeactivateListener);

	}

	@Override
	public void setFocus() {
		if (fActivePaneId == null) {
			fActivePaneId = fMemBlkViewer.getId();
		}

		IMemoryViewPane pane = getViewPane(fActivePaneId);
		pane.getControl().setFocus();
	}

	@Override
	public void dispose() {
		getSite().getPage().removePartListener(fPartListener);

		Enumeration<IMemoryViewPane> enumeration = fViewPanes.elements();
		while (enumeration.hasMoreElements()) {
			Object element = enumeration.nextElement();
			if (element instanceof IMemoryViewPane) {
				((IMemoryViewPane) element).dispose();
			}
		}

		fViewPaneControls.clear();

		IViewSite viewSite = getViewSite();
		String secondaryId = viewSite.getSecondaryId();
		if (secondaryId != null) {
			MemoryViewIdRegistry.deregisterView(secondaryId);
		}

		fSyncService.shutdown();

		if (fAddHandler != null) {
			fAddHandler.dispose();
		}

		if (fToggleMonitorsHandler != null) {
			fToggleMonitorsHandler.dispose();
		}

		if (fNextMemoryBlockHandler != null) {
			fNextMemoryBlockHandler.dispose();
		}

		super.dispose();
	}

	private void setVisible(boolean visible) {
		IMemoryViewPane[] viewPanes = getViewPanes();

		for (int i = 0; i < viewPanes.length; i++) {
			// if currently visible, take view pane's visibility into account
			// else force view pane to be visible if it is listed in
			// "visible view panes" array list.
			if (fVisible) {
				viewPanes[i].setVisible(visible && viewPanes[i].isVisible());
			} else {
				if (isViewPaneVisible(viewPanes[i].getId())) {
					viewPanes[i].setVisible(visible);
				}
			}
		}

		fVisible = visible;
	}

	/*
	 * @see
	 * org.eclipse.debug.internal.ui.views.memory.IMultipaneMemoryView#getViewPane
	 * (java.lang.String)
	 */
	public IMemoryViewPane getViewPane(String paneId) {
		return fViewPanes.get(paneId);
	}

	/*
	 * @see
	 * org.eclipse.debug.internal.ui.views.memory.IMultipaneMemoryView#getViewPanes
	 * ()
	 */
	public IMemoryViewPane[] getViewPanes() {
		IMemoryViewPane[] viewPanes = new IMemoryViewPane[fViewPanes.size()];

		Enumeration<IMemoryViewPane> enumeration = fViewPanes.elements();
		int i = 0;
		while (enumeration.hasMoreElements()) {
			viewPanes[i] = enumeration.nextElement();
			i++;
		}

		return viewPanes;
	}

	/**
	 * Restore each view pane from the memory view based on current debug
	 * selection
	 */
	private void restoreView() {
		IMemoryViewPane[] viewPanes = getViewPanes();
		for (int i = 0; i < viewPanes.length; i++) {
			viewPanes[i].restoreViewPane();
		}
	}

	/*
	 * @see
	 * org.eclipse.debug.internal.ui.views.memory.IMultipaneMemoryView#showViewPane
	 * (boolean, java.lang.String)
	 */
	public void showViewPane(boolean show, String paneId) {

		Control viewPaneControl = fViewPaneControls.get(paneId);

		if (viewPaneControl != null) {
			Control children[] = fSashForm.getChildren();

			for (int i = 0; i < children.length; i++) {
				if (children[i] == viewPaneControl) {
					children[i].setVisible(show);
					IMemoryViewPane viewPane = fViewPanes.get(paneId);
					if (viewPane != null) {
						viewPane.setVisible(show);
					}
				}
			}
			fSashForm.layout();
		}

		storeViewPaneVisibility();
	}

	/*
	 * @see org.eclipse.debug.internal.ui.views.memory.IMultipaneMemoryView#
	 * isViewPaneVisible(java.lang.String)
	 */
	public boolean isViewPaneVisible(String paneId) {
		return fVisibleViewPanes.contains(paneId);
	}

	private void storeViewPaneVisibility() {
		fVisibleViewPanes.clear();
		StringBuilder visibleViewPanes = new StringBuilder();

		Enumeration<String> enumeration = fViewPaneControls.keys();

		while (enumeration.hasMoreElements()) {
			String paneId = enumeration.nextElement();

			Control control = fViewPaneControls.get(paneId);
			if (control.isVisible()) {
				visibleViewPanes.append(paneId);
				visibleViewPanes.append(","); //$NON-NLS-1$
				fVisibleViewPanes.add(paneId);
			}
		}
		IEclipsePreferences node = InstanceScope.INSTANCE.getNode(DebugUIPlugin.getUniqueIdentifier());
		if (node != null) {
			try {
				node.put(getVisibilityPrefId(), visibleViewPanes.toString());
				node.flush();
			} catch (BackingStoreException e) {
				DebugUIPlugin.log(e);
			}
		}
	}

	private void loadViewPanesVisibility() {
		String visiblePanes = Platform.getPreferencesService().getString(DebugUIPlugin.getUniqueIdentifier(), getVisibilityPrefId(), null, null);

		if (visiblePanes != null && visiblePanes.length() > 0) {
			StringTokenizer tokenizer = new StringTokenizer(visiblePanes, ","); //$NON-NLS-1$
			while (tokenizer.hasMoreTokens()) {
				String paneId = tokenizer.nextToken();
				fVisibleViewPanes.add(paneId);
			}
		} else {
			for (int i = 0; i < defaultVisiblePaneIds.length; i++) {
				fVisibleViewPanes.add(defaultVisiblePaneIds[i]);
			}
		}

		Enumeration<String> enumeration = fViewPaneControls.keys();
		while (enumeration.hasMoreElements()) {
			String paneId = enumeration.nextElement();
			boolean visible = false;
			if (fVisibleViewPanes.contains(paneId)) {
				visible = true;
			}

			Control control = fViewPaneControls.get(paneId);
			control.setVisible(visible);

			IMemoryViewPane viewPane = fViewPanes.get(paneId);
			viewPane.setVisible(visible);
		}

		fSashForm.layout();
	}

	private void loadOrientation() {
		fViewOrientation = Platform.getPreferencesService().getInt(DebugUIPlugin.getUniqueIdentifier(), getOrientationPrefId(), HORIZONTAL_VIEW_ORIENTATION, null);

		for (int i = 0; i < fOrientationActions.length; i++) {
			if (fOrientationActions[i].getOrientation() == fViewOrientation) {
				fOrientationActions[i].run();
			}
		}
		updateOrientationActions();
	}

	private void saveOrientation() {
		IEclipsePreferences node = InstanceScope.INSTANCE.getNode(DebugUIPlugin.getUniqueIdentifier());
		if (node != null) {
			try {
				node.putInt(getOrientationPrefId(), fViewOrientation);
				node.flush();
			} catch (BackingStoreException e) {
				DebugUIPlugin.log(e);
			}
		}
	}

	private void updateOrientationActions() {
		for (int i = 0; i < fOrientationActions.length; i++) {
			if (fOrientationActions[i].getOrientation() == fViewOrientation) {
				fOrientationActions[i].setChecked(true);
			} else {
				fOrientationActions[i].setChecked(false);
			}

		}
	}

	@Override
	public IMemoryRenderingSynchronizationService getSynchronizationService() {
		return fSyncService;
	}

	@Override
	public IMemoryRenderingContainer[] getMemoryRenderingContainers() {
		Enumeration<IMemoryViewPane> enumeration = fViewPanes.elements();
		ArrayList<Object> containers = new ArrayList<>();
		while (enumeration.hasMoreElements()) {
			Object obj = enumeration.nextElement();
			if (obj instanceof IMemoryRenderingContainer) {
				containers.add(obj);
			}
		}

		return containers.toArray(new IMemoryRenderingContainer[containers.size()]);
	}

	@Override
	public IMemoryRenderingContainer getContainer(String id) {
		Object viewPane = fViewPanes.get(id);

		if (viewPane instanceof IMemoryRenderingContainer) {
			return (IMemoryRenderingContainer) viewPane;
		}

		return null;
	}

	public boolean isPinMBDisplay() {
		return fPinMBDisplay;
	}

	public void setPinMBDisplay(boolean pinMBDisplay) {
		fPinMBDisplay = pinMBDisplay;
	}

	private String getVisibilityPrefId() {
		IViewSite vs = getViewSite();
		String viewId = vs.getSecondaryId();

		if (viewId != null)
		 {
			return VISIBILITY_PREF + "." + viewId; //$NON-NLS-1$
		}

		return VISIBILITY_PREF;
	}

	private String getOrientationPrefId() {
		IViewSite vs = getViewSite();
		String viewId = vs.getSecondaryId();

		if (viewId != null)
		 {
			return VIEW_PANE_ORIENTATION_PREF + "." + viewId; //$NON-NLS-1$
		}

		return VIEW_PANE_ORIENTATION_PREF;
	}

	private void createOrientationActions() {
		IActionBars actionBars = getViewSite().getActionBars();
		IMenuManager viewMenu = actionBars.getMenuManager();

		fOrientationActions = new ViewPaneOrientationAction[2];
		fOrientationActions[0] = new ViewPaneOrientationAction(this, HORIZONTAL_VIEW_ORIENTATION);
		fOrientationActions[1] = new ViewPaneOrientationAction(this, VERTICAL_VIEW_ORIENTATION);

		viewMenu.add(new Separator());
		MenuManager layoutSubMenu = new MenuManager(VariablesViewMessages.VariablesView_40);
		layoutSubMenu.add(fOrientationActions[0]);
		layoutSubMenu.add(fOrientationActions[1]);
		viewMenu.add(layoutSubMenu);
		viewMenu.add(new Separator());
	}

	public void setViewPanesOrientation(int orientation) {
		fViewOrientation = orientation;
		if (fViewOrientation == VERTICAL_VIEW_ORIENTATION) {
			fSashForm.setOrientation(SWT.VERTICAL);
		} else {
			fSashForm.setOrientation(SWT.HORIZONTAL);
		}

		saveOrientation();
		updateOrientationActions();
	}

	public int getViewPanesOrientation() {
		return fViewOrientation;
	}

	@Override
	public void setContainerVisible(String id, boolean visible) {
		showViewPane(visible, id);
	}
}

Back to the top