bundles/org.eclipse.core.tools/src/org/eclipse/core/tools/runtime/EventsView.java - platform/eclipse.platform.runtime - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2006 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 - Initial API and implementation
  *******************************************************************************/

 package org.eclipse.core.tools.runtime;

 import java.util.Arrays;
 import java.util.Iterator;
 import org.eclipse.core.runtime.PerformanceStats;
 import org.eclipse.core.tools.*;
 import org.eclipse.jface.action.*;
 import org.eclipse.jface.viewers.*;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.graphics.Color;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.widgets.*;
 import org.eclipse.ui.IActionBars;

 /**
  * Stats View
  *
  * This spy utility will display globally available statistical
  * information on various plug-ins.  The statistics available are those that
  * are available through the PluginStats class of
  * org.eclipse.core.resource/src/org/eclipse/core/internal/utils
  *
  * Currently available information includes:
  * 	the id of the statistic
  * 	the number of notification this plug-in received
  * 	the amount of time spent receiving these notifications
  * 	the number of build requests on this plug-in
  * 	the amount of time spent building this plug-in
  *
  * Build statistics will only be displayed if the tracing/debug option
  * "build/invoking" in the plug-in org.eclipse.core.resources is set to
  * true.
  */

 public class EventsView extends TableWithTotalView {
 	class EventsViewContentProvider implements ITreeContentProvider {
 		@Override
 		public void dispose() {
 			// do nothing
 		}

 		@Override
 		public Object[] getChildren(Object parentElement) {
 			return new Object[0];
 		}

 		@Override
 		public Object[] getElements(Object input) {
 			return PerformanceStats.getAllStats();
 		}

 		@Override
 		public Object getParent(Object element) {
 			return null;
 		}

 		@Override
 		public boolean hasChildren(Object element) {
 			return false;
 		}

 		@Override
 		public void inputChanged(Viewer aViewer, Object oldInput, Object newInput) {
 			// do nothing
 		}
 	}

 	/**
 	 * Class to display the labels for the stats view table.
 	 */
 	class EventsViewLabelProvider extends LabelProvider implements ITableLabelProvider, IColorProvider {

 		@Override
 		public Image getColumnImage(Object arg0, int arg1) {
 			return null;
 		}

 		@Override
 		public String getColumnText(Object element, int columnIndex) {
 			if (!(element instanceof PerformanceStats)) {
 				return Messages.stats_badStat;
 			}
 			PerformanceStats stats = (PerformanceStats) element;
 			switch (columnIndex) {
 				case COLUMN_EVENT :
 					return stats.getEvent();
 				case COLUMN_BLAME :
 					return stats.getBlameString();
 				case COLUMN_CONTEXT :
 					return stats.getContext();
 				case COLUMN_COUNT :
 					return Integer.toString(stats.getRunCount());
 				case COLUMN_TIME :
 					return Long.toString(stats.getRunningTime());
 			}
 			return Messages.stats_badColumn;
 		}

 		@Override
 		public Color getForeground(Object element) {
 			if (!(element instanceof PerformanceStats)) {
 				return null;
 			}
 			PerformanceStats stats = (PerformanceStats) element;
 			if (stats.isFailure())
 				return Display.getDefault().getSystemColor(SWT.COLOR_RED);
 			return null;
 		}

 		@Override
 		public Color getBackground(Object element) {
 			return null;
 		}
 	}

 	class StatsListener extends PerformanceStats.PerformanceListener {
 		private void asyncExec(Runnable runnable) {
 			final Control control = viewer.getControl();
 			if (control == null || control.isDisposed())
 				return;
 			final Display display = control.getDisplay();
 			if (display.isDisposed())
 				return;
 			display.asyncExec(runnable);
 		}

 		@Override
 		public void eventsOccurred(final PerformanceStats[] event) {
 			asyncExec(() -> {
 				if (!getViewer().getControl().isDisposed())
 					getViewer().refresh();
 			});
 		}

 		@Override
 		public void eventFailed(final PerformanceStats event, final long duration) {
 			asyncExec(() -> {
 				String msg = "Performance event failure: " + event.getEvent() + " blame: " + event.getBlameString() + " context: " + event.getContext() + " duration: " + duration; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
 				getViewSite().getActionBars().getStatusLineManager().setErrorMessage(msg);
 				//					MessageDialog.openError(getSite().getShell(), "Performance failure", msg);
 			});
 		}
 	}

 	// Table of Column Indices
 	public final static int COLUMN_EVENT = 0;
 	public final static int COLUMN_BLAME = 1;
 	public final static int COLUMN_CONTEXT = 2;
 	public final static int COLUMN_COUNT = 3;
 	public final static int COLUMN_TIME = 4;

 	private String columnHeaders[] = {Messages.stats_eventHeader, //
 			Messages.stats_blameHeader, //
 			Messages.stats_contextHeader, //
 			Messages.stats_countHeader, //
 			Messages.stats_timeHeader, //
 	};
 	private ColumnLayoutData columnLayouts[] = {new ColumnWeightData(80), // event
 			new ColumnWeightData(180), // blame
 			new ColumnWeightData(40), // context
 			new ColumnPixelData(65), // count
 			new ColumnPixelData(65)}; // total time
 	private CopyStructuredSelectionAction copyAction;
 	private Action resetAction;
 	private final StatsListener statsListener = new StatsListener();

 	@Override
 	protected String[] computeTotalLine(Iterator iter) {
 		String[] totals = new String[getColumnHeaders().length];
 		int count = 0;
 		int events = 0;
 		int time = 0;
 		if (!iter.hasNext()) {
 			Object[] elements = ((ITreeContentProvider) viewer.getContentProvider()).getElements(viewer.getInput());
 			iter = Arrays.asList(elements == null ? new Object[0] : elements).iterator();
 		}
 		while (iter.hasNext()) {
 			PerformanceStats element = (PerformanceStats) iter.next();
 			events += element.getRunCount();
 			time += element.getRunningTime();
 			count++;
 		}
 		totals[0] = "Total: " + count; //$NON-NLS-1$
 		totals[2] = "" + events; //$NON-NLS-1$
 		totals[3] = "" + time; //$NON-NLS-1$
 		return totals;
 	}

 	@Override
 	protected void createActions() {
 		resetAction = new Action("Reset") { //$NON-NLS-1$
 			@Override
 			public void run() {
 				PerformanceStats.clear();
 				getViewer().setInput("");
 				updateTotals();
 			}
 		};
 		resetAction.setToolTipText("Reset all event statistics"); //$NON-NLS-1$
 		resetAction.setImageDescriptor(CoreToolsPlugin.createImageDescriptor("clear.gif")); //$NON-NLS-1$
 		// Add copy selection action

 		IActionBars bars = getViewSite().getActionBars();
 		copyAction = new CopyStructuredSelectionAction(new TableSelectionProviderDecorator(viewer));
 		copyAction.registerAsGlobalAction(bars);
 		bars.updateActionBars();
 	}

 	@Override
 	protected void createContextMenu() {
 		// creates a context menu with actions and adds it to the viewer control
 		MenuManager menuMgr = new MenuManager();
 		menuMgr.add(resetAction);
 		menuMgr.add(copyAction);
 		Menu menu = menuMgr.createContextMenu(viewer.getControl());
 		viewer.getControl().setMenu(menu);
 	}

 	@Override
 	public void createPartControl(Composite parent) {
 		super.createPartControl(parent);
 		PerformanceStats.addListener(statsListener);
 		viewer.setInput(""); //$NON-NLS-1$
 	}

 	@Override
 	protected void createToolbar() {
 		IToolBarManager mgr = getViewSite().getActionBars().getToolBarManager();
 		mgr.add(resetAction);
 	}

 	@Override
 	public void dispose() {
 		super.dispose();
 		PerformanceStats.removeListener(statsListener);
 	}

 	@Override
 	protected String[] getColumnHeaders() {
 		return columnHeaders;
 	}

 	@Override
 	protected ColumnLayoutData[] getColumnLayout() {
 		return columnLayouts;
 	}

 	@Override
 	protected ITreeContentProvider getContentProvider() {
 		return new EventsViewContentProvider();
 	}

 	@Override
 	protected ITableLabelProvider getLabelProvider() {
 		return new EventsViewLabelProvider();
 	}

 	@Override
 	protected ViewerComparator getSorter(int column) {
 		return new EventsSorter(column);
 	}

 	@Override
 	protected String getStatusLineMessage(Object element) {
 		if (!(element instanceof PerformanceStats))
 			return ""; //$NON-NLS-1$
 		return ((PerformanceStats) element).getBlameString();
 	}

 	protected TableViewer getViewer() {
 		return viewer;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2006 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 - Initial API and implementation
	*******************************************************************************/

	package org.eclipse.core.tools.runtime;

	import java.util.Arrays;
	import java.util.Iterator;
	import org.eclipse.core.runtime.PerformanceStats;
	import org.eclipse.core.tools.*;
	import org.eclipse.jface.action.*;
	import org.eclipse.jface.viewers.*;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.graphics.Color;
	import org.eclipse.swt.graphics.Image;
	import org.eclipse.swt.widgets.*;
	import org.eclipse.ui.IActionBars;

	/**
	* Stats View
	*
	* This spy utility will display globally available statistical
	* information on various plug-ins. The statistics available are those that
	* are available through the PluginStats class of
	* org.eclipse.core.resource/src/org/eclipse/core/internal/utils
	*
	* Currently available information includes:
	* the id of the statistic
	* the number of notification this plug-in received
	* the amount of time spent receiving these notifications
	* the number of build requests on this plug-in
	* the amount of time spent building this plug-in
	*
	* Build statistics will only be displayed if the tracing/debug option
	* "build/invoking" in the plug-in org.eclipse.core.resources is set to
	* true.
	*/

	public class EventsView extends TableWithTotalView {
	class EventsViewContentProvider implements ITreeContentProvider {
	@Override
	public void dispose() {
	// do nothing
	}

	@Override
	public Object[] getChildren(Object parentElement) {
	return new Object[0];
	}

	@Override
	public Object[] getElements(Object input) {
	return PerformanceStats.getAllStats();
	}

	@Override
	public Object getParent(Object element) {
	return null;
	}

	@Override
	public boolean hasChildren(Object element) {
	return false;
	}

	@Override
	public void inputChanged(Viewer aViewer, Object oldInput, Object newInput) {
	// do nothing
	}
	}

	/**
	* Class to display the labels for the stats view table.
	*/
	class EventsViewLabelProvider extends LabelProvider implements ITableLabelProvider, IColorProvider {

	@Override
	public Image getColumnImage(Object arg0, int arg1) {
	return null;
	}

	@Override
	public String getColumnText(Object element, int columnIndex) {
	if (!(element instanceof PerformanceStats)) {
	return Messages.stats_badStat;
	}
	PerformanceStats stats = (PerformanceStats) element;
	switch (columnIndex) {
	case COLUMN_EVENT :
	return stats.getEvent();
	case COLUMN_BLAME :
	return stats.getBlameString();
	case COLUMN_CONTEXT :
	return stats.getContext();
	case COLUMN_COUNT :
	return Integer.toString(stats.getRunCount());
	case COLUMN_TIME :
	return Long.toString(stats.getRunningTime());
	}
	return Messages.stats_badColumn;
	}

	@Override
	public Color getForeground(Object element) {
	if (!(element instanceof PerformanceStats)) {
	return null;
	}
	PerformanceStats stats = (PerformanceStats) element;
	if (stats.isFailure())
	return Display.getDefault().getSystemColor(SWT.COLOR_RED);
	return null;
	}

	@Override
	public Color getBackground(Object element) {
	return null;
	}
	}

	class StatsListener extends PerformanceStats.PerformanceListener {
	private void asyncExec(Runnable runnable) {
	final Control control = viewer.getControl();
	if (control == null \|\| control.isDisposed())
	return;
	final Display display = control.getDisplay();
	if (display.isDisposed())
	return;
	display.asyncExec(runnable);
	}

	@Override
	public void eventsOccurred(final PerformanceStats[] event) {
	asyncExec(() -> {
	if (!getViewer().getControl().isDisposed())
	getViewer().refresh();
	});
	}

	@Override
	public void eventFailed(final PerformanceStats event, final long duration) {
	asyncExec(() -> {
	String msg = "Performance event failure: " + event.getEvent() + " blame: " + event.getBlameString() + " context: " + event.getContext() + " duration: " + duration; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
	getViewSite().getActionBars().getStatusLineManager().setErrorMessage(msg);
	// MessageDialog.openError(getSite().getShell(), "Performance failure", msg);
	});
	}
	}

	// Table of Column Indices
	public final static int COLUMN_EVENT = 0;
	public final static int COLUMN_BLAME = 1;
	public final static int COLUMN_CONTEXT = 2;
	public final static int COLUMN_COUNT = 3;
	public final static int COLUMN_TIME = 4;

	private String columnHeaders[] = {Messages.stats_eventHeader, //
	Messages.stats_blameHeader, //
	Messages.stats_contextHeader, //
	Messages.stats_countHeader, //
	Messages.stats_timeHeader, //
	};
	private ColumnLayoutData columnLayouts[] = {new ColumnWeightData(80), // event
	new ColumnWeightData(180), // blame
	new ColumnWeightData(40), // context
	new ColumnPixelData(65), // count
	new ColumnPixelData(65)}; // total time
	private CopyStructuredSelectionAction copyAction;
	private Action resetAction;
	private final StatsListener statsListener = new StatsListener();

	@Override
	protected String[] computeTotalLine(Iterator iter) {
	String[] totals = new String[getColumnHeaders().length];
	int count = 0;
	int events = 0;
	int time = 0;
	if (!iter.hasNext()) {
	Object[] elements = ((ITreeContentProvider) viewer.getContentProvider()).getElements(viewer.getInput());
	iter = Arrays.asList(elements == null ? new Object[0] : elements).iterator();
	}
	while (iter.hasNext()) {
	PerformanceStats element = (PerformanceStats) iter.next();
	events += element.getRunCount();
	time += element.getRunningTime();
	count++;
	}
	totals[0] = "Total: " + count; //$NON-NLS-1$
	totals[2] = "" + events; //$NON-NLS-1$
	totals[3] = "" + time; //$NON-NLS-1$
	return totals;
	}

	@Override
	protected void createActions() {
	resetAction = new Action("Reset") { //$NON-NLS-1$
	@Override
	public void run() {
	PerformanceStats.clear();
	getViewer().setInput("");
	updateTotals();
	}
	};
	resetAction.setToolTipText("Reset all event statistics"); //$NON-NLS-1$
	resetAction.setImageDescriptor(CoreToolsPlugin.createImageDescriptor("clear.gif")); //$NON-NLS-1$
	// Add copy selection action

	IActionBars bars = getViewSite().getActionBars();
	copyAction = new CopyStructuredSelectionAction(new TableSelectionProviderDecorator(viewer));
	copyAction.registerAsGlobalAction(bars);
	bars.updateActionBars();
	}

	@Override
	protected void createContextMenu() {
	// creates a context menu with actions and adds it to the viewer control
	MenuManager menuMgr = new MenuManager();
	menuMgr.add(resetAction);
	menuMgr.add(copyAction);
	Menu menu = menuMgr.createContextMenu(viewer.getControl());
	viewer.getControl().setMenu(menu);
	}

	@Override
	public void createPartControl(Composite parent) {
	super.createPartControl(parent);
	PerformanceStats.addListener(statsListener);
	viewer.setInput(""); //$NON-NLS-1$
	}

	@Override
	protected void createToolbar() {
	IToolBarManager mgr = getViewSite().getActionBars().getToolBarManager();
	mgr.add(resetAction);
	}

	@Override
	public void dispose() {
	super.dispose();
	PerformanceStats.removeListener(statsListener);
	}

	@Override
	protected String[] getColumnHeaders() {
	return columnHeaders;
	}

	@Override
	protected ColumnLayoutData[] getColumnLayout() {
	return columnLayouts;
	}

	@Override
	protected ITreeContentProvider getContentProvider() {
	return new EventsViewContentProvider();
	}

	@Override
	protected ITableLabelProvider getLabelProvider() {
	return new EventsViewLabelProvider();
	}

	@Override
	protected ViewerComparator getSorter(int column) {
	return new EventsSorter(column);
	}

	@Override
	protected String getStatusLineMessage(Object element) {
	if (!(element instanceof PerformanceStats))
	return ""; //$NON-NLS-1$
	return ((PerformanceStats) element).getBlameString();
	}

	protected TableViewer getViewer() {
	return viewer;
	}
	}