Attachment #148399 for bug #30881

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Lines 1-5 Link Here

(-)ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyLifeCycle.java (-15 / +121 lines)
1	/*******************************************************************************	1	/*******************************************************************************
2	* Copyright (c) 2000, 2008 IBM Corporation and others.	2	* Copyright (c) 2000, 2009 IBM Corporation and others.
3	* All rights reserved. This program and the accompanying materials	3	* All rights reserved. This program and the accompanying materials
4	* are made available under the terms of the Eclipse Public License v1.0	4	* are made available under the terms of the Eclipse Public License v1.0
5	* which accompanies this distribution, and is available at	5	* which accompanies this distribution, and is available at
Lines 14-25 Link Here
14	import java.util.ArrayList;	14	import java.util.ArrayList;
15	import java.util.List;	15	import java.util.List;
16		16
		17	import org.eclipse.swt.widgets.Display;
		18
17	import org.eclipse.core.runtime.IProgressMonitor;	19	import org.eclipse.core.runtime.IProgressMonitor;
		20	import org.eclipse.core.runtime.IStatus;
18	import org.eclipse.core.runtime.OperationCanceledException;	21	import org.eclipse.core.runtime.OperationCanceledException;
		22	import org.eclipse.core.runtime.Status;
		23	import org.eclipse.core.runtime.jobs.Job;
19		24
20	import org.eclipse.jface.operation.IRunnableContext;	25	import org.eclipse.jface.operation.IRunnableContext;
21	import org.eclipse.jface.operation.IRunnableWithProgress;	26	import org.eclipse.jface.operation.IRunnableWithProgress;
22		27
		28	import org.eclipse.ui.progress.IWorkbenchSiteProgressService;
		29
23	import org.eclipse.jdt.core.ElementChangedEvent;	30	import org.eclipse.jdt.core.ElementChangedEvent;
24	import org.eclipse.jdt.core.IClassFile;	31	import org.eclipse.jdt.core.IClassFile;
25	import org.eclipse.jdt.core.ICompilationUnit;	32	import org.eclipse.jdt.core.ICompilationUnit;
Lines 37-42 Link Here
37	import org.eclipse.jdt.core.JavaModelException;	44	import org.eclipse.jdt.core.JavaModelException;
38		45
39	import org.eclipse.jdt.internal.corext.util.JavaModelUtil;	46	import org.eclipse.jdt.internal.corext.util.JavaModelUtil;
		47	import org.eclipse.jdt.internal.corext.util.Messages;
		48
		49	import org.eclipse.jdt.ui.JavaElementLabels;
40		50
41	import org.eclipse.jdt.internal.ui.JavaPlugin;	51	import org.eclipse.jdt.internal.ui.JavaPlugin;
42		52
Lines 52-59 Link Here
52		62
53	private List fChangeListeners;	63	private List fChangeListeners;
54		64
55	public TypeHierarchyLifeCycle() {	65	/**
		66	* The type hierarchy view part.
		67	*
		68	* @since 3.6
		69	*/
		70	private TypeHierarchyViewPart fTypeHierarchyViewPart;
		71
		72	/**
		73	* The job that runs in the background to refresh the type hierarchy.
		74	*
		75	* @since 3.6
		76	*/
		77	private Job fRefreshHierarchyJob;
		78
		79	/**
		80	* Creates the type hierarchy life cycle.
		81	*
		82	* @param part the type hierarchy view part
		83	* @since 3.6
		84	*/
		85	public TypeHierarchyLifeCycle(TypeHierarchyViewPart part) {
56	this(false);	86	this(false);
		87	fTypeHierarchyViewPart= part;
		88	fRefreshHierarchyJob= null;
57	}	89	}
58		90
59	public TypeHierarchyLifeCycle(boolean isSuperTypesOnly) {	91	public TypeHierarchyLifeCycle(boolean isSuperTypesOnly) {
Lines 98-104 Link Here
98	}	130	}
99	}	131	}
100		132
		133	/**
		134	* Refreshes the type hierarchy for the java element if it exists.
		135	*
		136	* @param element the java element for which the type hierarchy is computed
		137	* @param context the runnable context
		138	* @throws InterruptedException thrown from the <code>OperationCanceledException</code> when the monitor is canceled
		139	* @throws InvocationTargetException thrown from the <code>JavaModelException</code> if the java element does not exist or if an exception occurs while accessing its corresponding resource
		140	*/
101	public void ensureRefreshedTypeHierarchy(final IJavaElement element, IRunnableContext context) throws InvocationTargetException, InterruptedException {	141	public void ensureRefreshedTypeHierarchy(final IJavaElement element, IRunnableContext context) throws InvocationTargetException, InterruptedException {
		142	synchronized (this) {
		143	if (fRefreshHierarchyJob != null) {
		144	fRefreshHierarchyJob.cancel();
		145	try {
		146	fRefreshHierarchyJob.join();
		147	} catch (InterruptedException e) {
		148	// ignore
		149	} finally {
		150	fRefreshHierarchyJob= null;
		151	}
		152	}
		153	}
102	if (element == null \|\| !element.exists()) {	154	if (element == null \|\| !element.exists()) {
103	freeHierarchy();	155	freeHierarchy();
104	return;	156	return;
Lines 106-126 Link Here
106	boolean hierachyCreationNeeded= (fHierarchy == null \|\| !element.equals(fInputElement));	158	boolean hierachyCreationNeeded= (fHierarchy == null \|\| !element.equals(fInputElement));
107		159
108	if (hierachyCreationNeeded \|\| fHierarchyRefreshNeeded) {	160	if (hierachyCreationNeeded \|\| fHierarchyRefreshNeeded) {
109		161	if (fTypeHierarchyViewPart == null) {
110	IRunnableWithProgress op= new IRunnableWithProgress() {	162	IRunnableWithProgress op= new IRunnableWithProgress() {
111	public void run(IProgressMonitor pm) throws InvocationTargetException, InterruptedException {	163	public void run(IProgressMonitor pm) throws InvocationTargetException, InterruptedException {
112	try {	164	try {
113	doHierarchyRefresh(element, pm);	165	doHierarchyRefresh(element, pm);
114	} catch (JavaModelException e) {	166	} catch (JavaModelException e) {
115	throw new InvocationTargetException(e);	167	throw new InvocationTargetException(e);
116	} catch (OperationCanceledException e) {	168	} catch (OperationCanceledException e) {
117	throw new InterruptedException();	169	throw new InterruptedException();
		170	}
118	}	171	}
		172	};
		173	fHierarchyRefreshNeeded= true;
		174	context.run(true, true, op);
		175	fHierarchyRefreshNeeded= false;
		176	} else {
		177	synchronized (this) {
		178	final String label= Messages.format(TypeHierarchyMessages.TypeHierarchyLifeCycle_computeInput, JavaElementLabels.getElementLabel(element, JavaElementLabels.ALL_DEFAULT));
		179	fRefreshHierarchyJob= new Job(label) {
		180	/*
		181	* @see org.eclipse.core.runtime.jobs.Job#run(org.eclipse.core.runtime.IProgressMonitor)
		182	*/
		183	public IStatus run(IProgressMonitor pm) {
		184	pm.beginTask(label, LONG);
		185	try {
		186	doHierarchyRefreshBackground(element, pm);
		187	} catch (OperationCanceledException e) {
		188	fTypeHierarchyViewPart.setCanceledViewer();
		189	return Status.CANCEL_STATUS;
		190	} catch (JavaModelException e) {
		191	return e.getStatus();
		192	} finally {
		193	fHierarchyRefreshNeeded= false;
		194	pm.done();
		195	}
		196	return Status.OK_STATUS;
		197	}
		198	};
		199	fRefreshHierarchyJob.setUser(true);
		200	IWorkbenchSiteProgressService progressService = (IWorkbenchSiteProgressService) fTypeHierarchyViewPart.getSite()
		201	.getAdapter(IWorkbenchSiteProgressService.class);
		202	progressService.schedule(fRefreshHierarchyJob, 0);
119	}	203	}
120	};	204	}
121	fHierarchyRefreshNeeded= true;	205	}
122	context.run(true, true, op);	206	}
123	fHierarchyRefreshNeeded= false;	207
		208	/**
		209	* Refreshes the hierarchy in the background and updates the hierarchy viewer asynchronously in the UI thread.
		210	*
		211	* @param element the java element on which the hierarchy is computed
		212	* @param pm the progress monitor
		213	* @throws JavaModelException if the java element does not exist or if an exception occurs while accessing its corresponding resource.
		214	* @since 3.6
		215	*/
		216	protected void doHierarchyRefreshBackground(final IJavaElement element, final IProgressMonitor pm) throws JavaModelException {
		217	doHierarchyRefresh(element, pm);
		218	if (!pm.isCanceled()) {
		219	Display.getDefault().asyncExec(new Runnable() {
		220	/*
		221	* @see java.lang.Runnable#run()
		222	*/
		223	public void run() {
		224	fTypeHierarchyViewPart.setViewersInput();
		225	fTypeHierarchyViewPart.updateHierarchyViewer(true);
		226	}
		227	});
124	}	228	}
125	}	229	}
126		230
Lines 176-181 Link Here
176	fInputElement= element;	280	fInputElement= element;
177	} else {	281	} else {
178	fHierarchy.refresh(pm);	282	fHierarchy.refresh(pm);
		283	if (pm != null && pm.isCanceled())
		284	throw new OperationCanceledException();
179	}	285	}
180	fHierarchy.addTypeHierarchyChangedListener(this);	286	fHierarchy.addTypeHierarchyChangedListener(this);
181	JavaCore.addElementChangedListener(this);	287	JavaCore.addElementChangedListener(this);

Lines 72-77 Link Here

(-)ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyMessages.java (+1 lines)
72	public static String TypeHierarchyViewPart_ws_tooltip;	72	public static String TypeHierarchyViewPart_ws_tooltip;
73	public static String TypeHierarchyViewPart_restoreinput;	73	public static String TypeHierarchyViewPart_restoreinput;
74	public static String TypeHierarchyViewPart_layout_submenu;	74	public static String TypeHierarchyViewPart_layout_submenu;
		75	public static String TypeHierarchyLifeCycle_computeInput;
75	public static String ToggleViewAction_subtypes_label;	76	public static String ToggleViewAction_subtypes_label;
76	public static String ToggleViewAction_subtypes_tooltip;	77	public static String ToggleViewAction_subtypes_tooltip;
77	public static String ToggleViewAction_subtypes_description;	78	public static String ToggleViewAction_subtypes_description;

Lines 62-67 Link Here

(-)ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyMessages.properties (+1 lines)
62	SortByDefiningTypeAction_label=Sort by the Defining Type	62	SortByDefiningTypeAction_label=Sort by the Defining Type
63	SortByDefiningTypeAction_tooltip=Sort Methods by the Defining Type	63	SortByDefiningTypeAction_tooltip=Sort Methods by the Defining Type
64	SortByDefiningTypeAction_description=Sort methods by the defining type	64	SortByDefiningTypeAction_description=Sort methods by the defining type
		65	TypeHierarchyLifeCycle_computeInput=Computing type hierarchy of ''{0}''...
65		66
66	TypeHierarchyViewPart_error_title=Open Type Hierarchy	67	TypeHierarchyViewPart_error_title=Open Type Hierarchy
67	TypeHierarchyViewPart_createinput=Creating type hierarchy of ''{0}''...	68	TypeHierarchyViewPart_createinput=Creating type hierarchy of ''{0}''...




		fSelectInEditor= true;
		fRestoreStateJob= null;

		fHierarchyLifeCycle= new TypeHierarchyLifeCycle(this);
		fTypeHierarchyLifeCycleListener= new ITypeHierarchyLifeCycleListener() {
			public void typeHierarchyChanged(TypeHierarchyLifeCycle typeHierarchy, IType[] changedTypes) {
				doTypeHierarchyChanged(typeHierarchy, changedTypes);

		if (inputElement == null) {
			clearInput();
		} else {
			if (!inputElement.equals(prevInput)) {
				for (int i= 0; i < fAllViewers.length; i++) {
					fAllViewers[i].setInput(null);
				}
			}
			fInputElement= inputElement;
			fNoHierarchyShownLabel.setText(Messages.format(TypeHierarchyMessages.TypeHierarchyViewPart_createinput, JavaElementLabels.getElementLabel(inputElement, JavaElementLabels.ALL_DEFAULT)));
			try {

			} catch (InvocationTargetException e) {
				ExceptionHandler.handle(e, getSite().getShell(), TypeHierarchyMessages.TypeHierarchyViewPart_exception_title, TypeHierarchyMessages.TypeHierarchyViewPart_exception_message);
				clearInput();
				return;// panic code. This code wont be executed.
			} catch (InterruptedException e) {
				fNoHierarchyShownLabel.setText(TypeHierarchyMessages.TypeHierarchyViewPart_empty);
				return;// panic code. This code wont be executed.
			}

			if (inputElement.getElementType() != IJavaElement.TYPE) {

			updateToolTipAndDescription();
			showMembersInHierarchy(false);
			fPagebook.showPage(fTypeMethodsSplitter);
			setViewerVisibility(true);
			fSelectInEditor= true;
		}
	}

	/**
	 * Sets the input for all the hierarchy viewers with their respective viewer instances. This is usually called after the
	 * viewer's input have been set to null and before their contents are updated.
	 *
	 * @since 3.6
	 */
	public void setViewersInput() {
		for (int i= 0; i < fAllViewers.length; i++) {
			fAllViewers[i].setInput(fAllViewers[i]);
		}
	}

	private void processOutstandingEvents() {
		Display display= getDisplay();
		if (display != null && !display.isDisposed())

	 * <code>updateHierarchyViewer<code> brings up the correct view and refreshes
	 * the current tree
	 */
	public void updateHierarchyViewer(final boolean doExpand) {
		if (fInputElement == null) {
			fNoHierarchyShownLabel.setText(TypeHierarchyMessages.TypeHierarchyViewPart_empty);
			fPagebook.showPage(fNoHierarchyShownLabel);

						} catch (JavaModelException e) {
							return e.getStatus();
						} catch (OperationCanceledException e) {
							setCanceledViewer();
							return Status.CANCEL_STATUS;
						}
						return Status.OK_STATUS;

	private void doRestoreInBackground(final IMemento memento, final IJavaElement hierarchyInput, IProgressMonitor monitor) throws JavaModelException {
		fHierarchyLifeCycle.doHierarchyRefresh(hierarchyInput, monitor);
		final boolean doRestore= !monitor.isCanceled();
		if (doRestore) {
			Display.getDefault().asyncExec(new Runnable() {
				public void run() {
					// running async: check first if view still exists
					if (fPagebook != null && !fPagebook.isDisposed()) {
						doRestoreState(memento, hierarchyInput);
					}
						fNoHierarchyShownLabel.setText(TypeHierarchyMessages.TypeHierarchyViewPart_empty);
				}
			});
		}
	}



		fNeedRefresh= false;
	}

	/**
	 * Sets the empty viewer after the canceled job in the display thread.
	 *
	 * @since 3.6
	 */
	public void setCanceledViewer() {
		Display.getDefault().asyncExec(new Runnable() {
			public void run() {
				clearInput();
			}
		});
	}

	/**
	 * Returns the type hierarchy life cycle.
	 *
	 * @return the type hierarchy life cycle
	 *
	 * @since 3.6
	 */
	public TypeHierarchyLifeCycle getTypeHierarchyLifeCycle() {
		return fHierarchyLifeCycle;

	}
}

Return to bug 30881

Lines 251-257 Link Here

(-)ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyViewPart.java (-13 / +55 lines)
251	fSelectInEditor= true;	250	fSelectInEditor= true;
252	fRestoreStateJob= null;	251	fRestoreStateJob= null;
253		252
254	fHierarchyLifeCycle= new TypeHierarchyLifeCycle();	253	fHierarchyLifeCycle= new TypeHierarchyLifeCycle(this);
255	fTypeHierarchyLifeCycleListener= new ITypeHierarchyLifeCycleListener() {	254	fTypeHierarchyLifeCycleListener= new ITypeHierarchyLifeCycleListener() {
256	public void typeHierarchyChanged(TypeHierarchyLifeCycle typeHierarchy, IType[] changedTypes) {	255	public void typeHierarchyChanged(TypeHierarchyLifeCycle typeHierarchy, IType[] changedTypes) {
257	doTypeHierarchyChanged(typeHierarchy, changedTypes);	256	doTypeHierarchyChanged(typeHierarchy, changedTypes);
Lines 529-534 Link Here
529	if (inputElement == null) {	528	if (inputElement == null) {
530	clearInput();	529	clearInput();
531	} else {	530	} else {
		531	if (!inputElement.equals(prevInput)) {
		532	for (int i= 0; i < fAllViewers.length; i++) {
		533	fAllViewers[i].setInput(null);
		534	}
		535	}
532	fInputElement= inputElement;	536	fInputElement= inputElement;
533	fNoHierarchyShownLabel.setText(Messages.format(TypeHierarchyMessages.TypeHierarchyViewPart_createinput, JavaElementLabels.getElementLabel(inputElement, JavaElementLabels.ALL_DEFAULT)));	537	fNoHierarchyShownLabel.setText(Messages.format(TypeHierarchyMessages.TypeHierarchyViewPart_createinput, JavaElementLabels.getElementLabel(inputElement, JavaElementLabels.ALL_DEFAULT)));
534	try {	538	try {
Lines 537-546 Link Here
537	} catch (InvocationTargetException e) {	541	} catch (InvocationTargetException e) {
538	ExceptionHandler.handle(e, getSite().getShell(), TypeHierarchyMessages.TypeHierarchyViewPart_exception_title, TypeHierarchyMessages.TypeHierarchyViewPart_exception_message);	542	ExceptionHandler.handle(e, getSite().getShell(), TypeHierarchyMessages.TypeHierarchyViewPart_exception_title, TypeHierarchyMessages.TypeHierarchyViewPart_exception_message);
539	clearInput();	543	clearInput();
540	return;	544	return;// panic code. This code wont be executed.
541	} catch (InterruptedException e) {	545	} catch (InterruptedException e) {
542	fNoHierarchyShownLabel.setText(TypeHierarchyMessages.TypeHierarchyViewPart_empty);	546	fNoHierarchyShownLabel.setText(TypeHierarchyMessages.TypeHierarchyViewPart_empty);
543	return;	547	return;// panic code. This code wont be executed.
544	}	548	}
545		549
546	if (inputElement.getElementType() != IJavaElement.TYPE) {	550	if (inputElement.getElementType() != IJavaElement.TYPE) {
Lines 561-570 Link Here
561	updateToolTipAndDescription();	565	updateToolTipAndDescription();
562	showMembersInHierarchy(false);	566	showMembersInHierarchy(false);
563	fPagebook.showPage(fTypeMethodsSplitter);	567	fPagebook.showPage(fTypeMethodsSplitter);
		568	setViewerVisibility(true);
564	fSelectInEditor= true;	569	fSelectInEditor= true;
565	}	570	}
566	}	571	}
567		572
		573	/**
		574	* Sets the input for all the hierarchy viewers with their respective viewer instances. This is usually called after the
		575	* viewer's input have been set to null and before their contents are updated.
		576	*
		577	* @since 3.6
		578	*/
		579	public void setViewersInput() {
		580	for (int i= 0; i < fAllViewers.length; i++) {
		581	fAllViewers[i].setInput(fAllViewers[i]);
		582	}
		583	}
		584
568	private void processOutstandingEvents() {	585	private void processOutstandingEvents() {
569	Display display= getDisplay();	586	Display display= getDisplay();
570	if (display != null && !display.isDisposed())	587	if (display != null && !display.isDisposed())
Lines 1124-1130 Link Here
1124	* <code>updateHierarchyViewer<code> brings up the correct view and refreshes	1141	* <code>updateHierarchyViewer<code> brings up the correct view and refreshes
1125	* the current tree	1142	* the current tree
1126	*/	1143	*/
1127	private void updateHierarchyViewer(final boolean doExpand) {	1144	public void updateHierarchyViewer(final boolean doExpand) {
1128	if (fInputElement == null) {	1145	if (fInputElement == null) {
1129	fNoHierarchyShownLabel.setText(TypeHierarchyMessages.TypeHierarchyViewPart_empty);	1146	fNoHierarchyShownLabel.setText(TypeHierarchyMessages.TypeHierarchyViewPart_empty);
1130	fPagebook.showPage(fNoHierarchyShownLabel);	1147	fPagebook.showPage(fNoHierarchyShownLabel);
Lines 1566-1571 Link Here
1566	} catch (JavaModelException e) {	1583	} catch (JavaModelException e) {
1567	return e.getStatus();	1584	return e.getStatus();
1568	} catch (OperationCanceledException e) {	1585	} catch (OperationCanceledException e) {
		1586	setCanceledViewer();
1569	return Status.CANCEL_STATUS;	1587	return Status.CANCEL_STATUS;
1570	}	1588	}
1571	return Status.OK_STATUS;	1589	return Status.OK_STATUS;
Lines 1579-1595 Link Here
1579	private void doRestoreInBackground(final IMemento memento, final IJavaElement hierarchyInput, IProgressMonitor monitor) throws JavaModelException {	1597	private void doRestoreInBackground(final IMemento memento, final IJavaElement hierarchyInput, IProgressMonitor monitor) throws JavaModelException {
1580	fHierarchyLifeCycle.doHierarchyRefresh(hierarchyInput, monitor);	1598	fHierarchyLifeCycle.doHierarchyRefresh(hierarchyInput, monitor);
1581	final boolean doRestore= !monitor.isCanceled();	1599	final boolean doRestore= !monitor.isCanceled();
1582	Display.getDefault().asyncExec(new Runnable() {	1600	if (doRestore) {
1583	public void run() {	1601	Display.getDefault().asyncExec(new Runnable() {
1584	// running async: check first if view still exists	1602	public void run() {
1585	if (fPagebook != null && !fPagebook.isDisposed()) {	1603	// running async: check first if view still exists
1586	if (doRestore)	1604	if (fPagebook != null && !fPagebook.isDisposed()) {
1587	doRestoreState(memento, hierarchyInput);	1605	doRestoreState(memento, hierarchyInput);
1588	else	1606	}
1589	fNoHierarchyShownLabel.setText(TypeHierarchyMessages.TypeHierarchyViewPart_empty);
1590	}	1607	}
1591	}	1608	});
1592	});	1609	}
1593	}	1610	}
1594		1611
1595		1612
Lines 1731-1734 Link Here
1731	fNeedRefresh= false;	1748	fNeedRefresh= false;
1732	}	1749	}
1733		1750
		1751	/**
		1752	* Sets the empty viewer after the canceled job in the display thread.
		1753	*
		1754	* @since 3.6
		1755	*/
		1756	public void setCanceledViewer() {
		1757	Display.getDefault().asyncExec(new Runnable() {
		1758	public void run() {
		1759	clearInput();
		1760	}
		1761	});
		1762	}
		1763
		1764	/**
		1765	* Returns the type hierarchy life cycle.
		1766	*
		1767	* @return the type hierarchy life cycle
		1768	*
		1769	* @since 3.6
		1770	*/
		1771	public TypeHierarchyLifeCycle getTypeHierarchyLifeCycle() {
		1772	return fHierarchyLifeCycle;
		1773
		1774	}
1734	}	1775	}