1 files changed, 34 insertions, 976 deletions

diff --git a/oprofile/org.eclipse.linuxtools.oprofile.launch/src/org/eclipse/linuxtools/internal/oprofile/launch/configuration/OprofileEventConfigTab.java b/oprofile/org.eclipse.linuxtools.oprofile.launch/src/org/eclipse/linuxtools/internal/oprofile/launch/configuration/OprofileEventConfigTab.java
index e30824ce33..d64a2a721b 100644
--- a/oprofile/org.eclipse.linuxtools.oprofile.launch/src/org/eclipse/linuxtools/internal/oprofile/launch/configuration/OprofileEventConfigTab.java
+++ b/oprofile/org.eclipse.linuxtools.oprofile.launch/src/org/eclipse/linuxtools/internal/oprofile/launch/configuration/OprofileEventConfigTab.java
@@ -21,1016 +21,74 @@
 
 package org.eclipse.linuxtools.internal.oprofile.launch.configuration;
 
-import java.text.MessageFormat;
-import java.util.ArrayList;
-
-import org.eclipse.cdt.debug.core.ICDTLaunchConfigurationConstants;
 import org.eclipse.core.resources.IProject;
-import org.eclipse.core.resources.ResourcesPlugin;
-import org.eclipse.core.runtime.CoreException;
 import org.eclipse.debug.core.ILaunchConfiguration;
-import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
-import org.eclipse.debug.ui.AbstractLaunchConfigurationTab;
-import org.eclipse.debug.ui.ILaunchConfigurationTab;
-import org.eclipse.jface.viewers.ILabelProvider;
-import org.eclipse.jface.viewers.ILabelProviderListener;
-import org.eclipse.jface.viewers.ISelectionChangedListener;
-import org.eclipse.jface.viewers.IStructuredContentProvider;
-import org.eclipse.jface.viewers.ListViewer;
-import org.eclipse.jface.viewers.SelectionChangedEvent;
-import org.eclipse.jface.viewers.StructuredSelection;
-import org.eclipse.jface.viewers.Viewer;
-import org.eclipse.jface.viewers.ViewerFilter;
 import org.eclipse.linuxtools.internal.oprofile.core.IOpcontrolProvider;
 import org.eclipse.linuxtools.internal.oprofile.core.OpcontrolException;
 import org.eclipse.linuxtools.internal.oprofile.core.Oprofile;
 import org.eclipse.linuxtools.internal.oprofile.core.OprofileCorePlugin;
-import org.eclipse.linuxtools.internal.oprofile.core.daemon.OpEvent;
-import org.eclipse.linuxtools.internal.oprofile.core.daemon.OpUnitMask;
-import org.eclipse.linuxtools.internal.oprofile.core.daemon.OprofileDaemonEvent;
-import org.eclipse.linuxtools.internal.oprofile.launch.OprofileLaunchMessages;
 import org.eclipse.linuxtools.internal.oprofile.launch.OprofileLaunchPlugin;
-import org.eclipse.linuxtools.tools.launch.core.properties.LinuxtoolsPathProperty;
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.custom.ScrolledComposite;
-import org.eclipse.swt.events.ModifyEvent;
-import org.eclipse.swt.events.ModifyListener;
-import org.eclipse.swt.events.SelectionAdapter;
-import org.eclipse.swt.events.SelectionEvent;
-import org.eclipse.swt.graphics.Image;
-import org.eclipse.swt.layout.GridData;
-import org.eclipse.swt.layout.GridLayout;
-import org.eclipse.swt.widgets.Button;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Control;
-import org.eclipse.swt.widgets.Label;
-import org.eclipse.swt.widgets.TabFolder;
-import org.eclipse.swt.widgets.TabItem;
-import org.eclipse.swt.widgets.Text;
 
 /**
  * Thic class represents the event configuration tab of the launcher dialog.
+ * It supplies all functionality dependent on opcontrol and having root access.
  */
-public class OprofileEventConfigTab extends AbstractLaunchConfigurationTab {
-	private static final String EMPTY_STRING = "";
-	protected Button defaultEventCheck;
-	protected OprofileCounter[] counters = null;
-	protected CounterSubTab[] counterSubTabs;
-	private Boolean hasPermissions = null;
-	private Composite top;
-
-	/**
-	 * Essentially the constructor for this tab; creates the 'default event'
-	 * checkbox and an appropriate number of counter tabs.
-	 * @param parent the parent composite
-	 */
-	public void createControl(Composite parent) {
-		Composite top = new Composite(parent, SWT.NONE);
-		setControl(top);
-		top.setLayout(new GridLayout());
-		this.top = top;
-	}
-	/**
-	 * @since 1.1
-	 * @param top
-	 */
-	private void createCounterTabs(Composite top){
-			//tabs for each of the counters
-		counters = OprofileCounter.getCounters(null);
-		TabItem[] counterTabs = new TabItem[counters.length];
-		counterSubTabs = new CounterSubTab[counters.length];
-
-		TabFolder tabFolder = new TabFolder(top, SWT.NONE);
-		tabFolder.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
+public class OprofileEventConfigTab extends AbstractEventConfigTab {
 
-
-		for (int i = 0; i < counters.length; i++) {
-			Composite c = new Composite(tabFolder, SWT.NONE);
-			CounterSubTab currentTab = new CounterSubTab(c, counters[i]);
-			counterSubTabs[i] = currentTab;
-
-			counterTabs[i] = new TabItem(tabFolder, SWT.NONE);
-			counterTabs[i].setControl(c);
-			counterTabs[i].setText(OprofileLaunchMessages.getString("tab.event.counterTab.counterText") + String.valueOf(i)); //$NON-NLS-1$
-		}
-
-		getTabFolderComposite();
-	}
-
-	/**
-	 * Disposes all widgets and creates the timer mode Event tab
-	 * @since 1.1
-	 * @param top
-	 */
-	private void createTimerModeTab(Composite top){
-		Control[] children = top.getChildren();
-		for (Control control : children) {
-			control.dispose();
-		}
-		counterSubTabs = null;
-		defaultEventCheck = null;
-
-		Label timerModeLabel = new Label(top, SWT.LEFT);
-		timerModeLabel.setText(OprofileLaunchMessages.getString("tab.event.timermode.no.options")); //$NON-NLS-1$
+	@Override
+	protected boolean getOprofileTimerMode() {
+		return Oprofile.getTimerMode();
 	}
 
-	/**
-	 * @since 1.1
-	 */
-	private Composite getTabFolderComposite(){
-		// check for length and first tab being null to prevent AIOBE
-		if(counterSubTabs.length == 0 ||counterSubTabs[0] == null){
-			return null;
-		} else {
-			Composite c = counterSubTabs[0].getTabTopContainer();
-			while(c != null && !(c instanceof TabFolder)){
-				c = c.getParent();
-			}
-			return c.getParent();
-		}
+	@Override
+	public OprofileCounter getOprofileCounter(int i) {
+		return new OprofileCounter(i);
 	}
 
-	/**
-	 * @see ILaunchConfigurationTab#initializeFrom(ILaunchConfiguration)
-	 */
-	public void initializeFrom(ILaunchConfiguration config) {
-		this.hasPermissions = null;
-
-		IProject previousProject = Oprofile.OprofileProject.getProject();
-		IProject project = getProject(config);
-		Oprofile.OprofileProject.setProject(project);
-
-			try {
-			if(!hasPermissions(project)){
-				OpcontrolException e = new OpcontrolException(OprofileCorePlugin.createErrorStatus("opcontrolSudo", null));
-				OprofileCorePlugin.showErrorDialog("opcontrolProvider", e); //$NON-NLS-1$
-				createTimerModeTab(top);
-				return;
-			}
-		} catch (OpcontrolException e){
-			OprofileCorePlugin.showErrorDialog("opcontrolProvider", e);
-			createTimerModeTab(top);
-			return;
-		}
-		Oprofile.updateInfo();
-
-		String previousHost = null;
-		if(previousProject != null){
-			if(previousProject.getLocationURI() != null){
-				previousHost = previousProject.getLocationURI().getHost();
-			}
-		}
-
-		String host;
-		if (project != null) {
-			host = project.getLocationURI().getHost();
-		} else {
-			host = null;
-		}
-
-		// Create the counter tabs if host has changed or if they haven't been created yet
-		// Check that initialization is not done for current project.
-		// Any calculation based on project doesn't work as the very first time for local project they are both null.
-		if(previousProject == null || previousHost != host || host == null || counters == null){
-			Control[] children = top.getChildren();
-
-			for (Control control : children) {
-				control.dispose();
-			}
-
-			if (getTimerMode()) {
-				Label timerModeLabel = new Label(top, SWT.LEFT);
-				timerModeLabel.setText(OprofileLaunchMessages.getString("tab.event.timermode.no.options")); //$NON-NLS-1$
-			} else {
-				createVerticalSpacer(top, 1);
-
-				//default event checkbox
-				defaultEventCheck = new Button(top, SWT.CHECK);
-				defaultEventCheck.setText(OprofileLaunchMessages.getString("tab.event.defaultevent.button.text")); //$NON-NLS-1$
-				defaultEventCheck.setLayoutData(new GridData());
-				defaultEventCheck.addSelectionListener(new SelectionAdapter() {
-					@Override
-					public void widgetSelected(SelectionEvent se) {
-						handleEnabledToggle();
-					}
-				});
-				createVerticalSpacer(top, 1);
-				createCounterTabs(top);
-			}
-
-		}
-
-		if(!getTimerMode()){
-				for (int i = 0; i < counters.length; i++) {
-					counters[i].loadConfiguration(config);
-				}
-
-				for (CounterSubTab tab : counterSubTabs) {
-					tab.initializeTab(config);
-					tab.createEventsFilter();
-				}
-			try{
-				boolean enabledState = config.getAttribute(OprofileLaunchPlugin.ATTR_USE_DEFAULT_EVENT, true);
-				defaultEventCheck.setSelection(enabledState);
-				setEnabledState(!enabledState);
-			} catch (CoreException e) {
-				e.printStackTrace();
-			}
-		}
+	@Override
+	protected OprofileCounter[] getOprofileCounters(ILaunchConfiguration config) {
+		return OprofileCounter.getCounters(config);
 	}
 
-	/**
-	 * @see ILaunchConfigurationTab#isValid(ILaunchConfiguration)
-	 */
 	@Override
-	public boolean isValid(ILaunchConfiguration config) {
-		IProject project = getProject(config);
-		Oprofile.OprofileProject.setProject(project);
-
-		try{
-			if(!hasPermissions(project)){
-					return false;
-			}
-		} catch(OpcontrolException e){
-			return false;
-		}
-
-		if (getTimerMode()) {
-			return true;		//no options to check for validity
-		} else {
-			int numEnabledEvents = 0;
-			boolean valid = true;
-
-			try {
-				if (config.getAttribute(OprofileLaunchPlugin.ATTR_USE_DEFAULT_EVENT, false)) {
-					numEnabledEvents = 1;
-				} else {
-					//This seems like an odd way to validate, but since most of the validation
-					// is done with the OprofileDaemonEvent that the counter wraps, this
-					// is the easiest way.
-					OprofileCounter[] counters = new OprofileCounter[getNumberOfCounters()];
-					for (int i = 0; i < counters.length; i++) {
-						counters[i] = new OprofileCounter(i);
-						counters[i].loadConfiguration(config);
-
-						for (CounterSubTab counterSubTab : counterSubTabs){
-							if(counterSubTab.enabledCheck.getSelection() && counterSubTab.eventList.getList().getSelectionIndex() == -1){
-								valid = false;
-							}
-						}
-
-						if (counters[i].getEnabled()) {
-							++numEnabledEvents;
-
-							if (counters[i].getEvent() == null) {
-								valid = false;
-								break;
-							}
-
-							// First check min count
-							int min = counters[i].getEvent().getMinCount();
-							if (counters[i].getCount() < min) {
-								valid = false;
-								break;
-							}
-
-							// Next ask oprofile if it is valid
-							if (!checkEventSetupValidity(counters[i].getNumber(), counters[i].getEvent().getText(), counters[i].getEvent().getUnitMask().getMaskValue())) {
-								valid = false;
-								break;
-							}
-						}
-					}
-				}
-			} catch (CoreException e) {
-				e.printStackTrace();
-			}
-
-			return (numEnabledEvents > 0 && valid);
-		}
+	protected int getNumberOfOprofileCounters() {
+		return Oprofile.getNumberOfCounters();
 	}
 
-	/**
-	 * @see ILaunchConfigurationTab#performApply(ILaunchConfigurationWorkingCopy)
-	 */
-	public void performApply(ILaunchConfigurationWorkingCopy config) {
-		IProject project = getProject(config);
-		try {
-			if (!hasPermissions(project)) {
-				return;
-			}
-			if (getTimerMode()) {
-				config.setAttribute(OprofileLaunchPlugin.ATTR_USE_DEFAULT_EVENT, true);
-			} else {
-				config.setAttribute(OprofileLaunchPlugin.ATTR_USE_DEFAULT_EVENT, defaultEventCheck.getSelection());
-				for (CounterSubTab cst : counterSubTabs) {
-					cst.performApply(config);
-				}
-			}
-
-		} catch (OpcontrolException e) {
-			return;
-
-		}
+	@Override
+	protected IProject getOprofileProject() {
+		return Oprofile.OprofileProject.getProject();
 	}
 
-	/**
-	 * @see ILaunchConfigurationTab#setDefaults(ILaunchConfigurationWorkingCopy)
-	 */
-	public void setDefaults(ILaunchConfigurationWorkingCopy config) {
-		boolean useDefault = true;
-
-		IProject project = getProject(config);
+	@Override
+	protected void setOprofileProject(IProject project) {
 		Oprofile.OprofileProject.setProject(project);
-		if(!LinuxtoolsPathProperty.getInstance().getLinuxtoolsPath(project).equals("")){
-			try{
-				if(!hasPermissions(project)){
-					return;
-				}
-			} catch(OpcontrolException e){
-				return;
-			}
-		}
-
-		counters = OprofileCounter.getCounters(config);
-
-		// When instantiated, the OprofileCounter will set defaults.
-		for (int i = 0; i < counters.length; i++) {
-			counters[i].saveConfiguration(config);
-			if (counters[i].getEnabled()) {
-				useDefault = false;
-			}
-		}
-
-		config.setAttribute(OprofileLaunchPlugin.ATTR_USE_DEFAULT_EVENT, useDefault);
-	}
-
-	/**
-	 * @see ILaunchConfigurationTab#getName()
-	 */
-	public String getName() {
-		return OprofileLaunchMessages.getString("tab.event.name"); //$NON-NLS-1$
 	}
 
-	/**
-	 * @see ILaunchConfigurationTab#getImage()
-	 */
 	@Override
-	public Image getImage() {
-		return OprofileLaunchPlugin.getImageDescriptor(OprofileLaunchPlugin.ICON_EVENT_TAB).createImage();
-	}
-
-	/**
-	 * Handles the toggling of the default event check box. Not meant to be called
-	 * directly.
-	 */
-	private void handleEnabledToggle() {
-		setEnabledState(!defaultEventCheck.getSelection());
-		updateLaunchConfigurationDialog();
-	}
-
-	/**
-	 * Sets the state of the child counter tabs' widgets.
-	 * @param state true for enabled, false for disabled
-	 */
-	private void setEnabledState(boolean state) {
-		for (CounterSubTab cst : counterSubTabs) {
-			cst.setEnabledState(state);
-		}
+	protected void updateOprofileInfo() {
+		Oprofile.updateInfo();
 	}
 
-	/*
-	 * Extracted methods to be overridden by the test suite.
-	 */
-
-	/**
-	 * Returns whether the event's unit mask is valid
-	 * @param counter counter number
-	 * @param name event name
-	 * @param maskValue unit mask value
-	 * @return true if valid config, false otherwise
-	 */
-	protected boolean checkEventSetupValidity(int counter, String name, int maskValue) {
+	@Override
+	protected boolean checkEventSetupValidity(int counter, String name,
+			int maskValue) {
 		return OprofileLaunchPlugin.getCache().checkEvent(counter, name, maskValue);
 	}
 
-	/**
-	 * Returns whether or not oprofile is operating in timer mode.
-	 * @return true if oprofile is in timer mode, false otherwise
-	 */
-	protected boolean getTimerMode() {
-		return Oprofile.getTimerMode();
-	}
-
-	/**
-	 * Returns the number of hardware counters the cpu has
-	 * @return int number of counters
-	 */
-	protected int getNumberOfCounters() {
-		return Oprofile.getNumberOfCounters();
-	}
-
-	/**
-	 * Checks if user has permission to run remote opcontrol as root. Uses a local cache variable
-	 * to avoid running costly calls repeatedly during creation of the view
-	 * @param project
-	 * @return
-	 * @throws OpcontrolException
-	 * @since 1.1
-	 */
-	protected boolean hasPermissions(IProject project) throws OpcontrolException{
-		if (this.hasPermissions == null){
-			IOpcontrolProvider provider = OprofileCorePlugin.getDefault().getOpcontrolProvider();
-				this.hasPermissions = provider.hasPermissions(project);
-		}
-		return this.hasPermissions;
-	}
-
-	/**
-	 *
-	 * @param config
-	 * @return
-	 * @since 1.1
-	 */
-	protected IProject getProject(ILaunchConfiguration config){
-		String name = null;
-		try {
-			name = config.getAttribute(ICDTLaunchConfigurationConstants.ATTR_PROJECT_NAME, EMPTY_STRING);
-		} catch (CoreException e) {
-			return null;
-		}
-		if (name.equals(EMPTY_STRING)) {
-			return null;
-		}
-
-		return ResourcesPlugin.getWorkspace().getRoot().getProject(name);
-	}
-
-	/**
-	 * A sub-tab of the OprofileEventConfigTab launch configuration tab.
-	 * Essentially, it is a frontend to an OprofileCounter. This is an
-	 * inner class because it requires methods from the parent tab (such as
-	 * updateLaunchConfigurationDialog() when a widget changes state).
-	 */
-	protected class CounterSubTab {
-		private Button enabledCheck;
-		private Button profileKernelCheck;
-		private Button profileUserCheck;
-		private Label countTextLabel;
-		private Text countText;
-		private Label eventDescLabel;
-		private Text eventDescText;
-		private UnitMaskViewer unitMaskViewer;
-		private ListViewer eventList;
-		private Text eventFilterText;
-		private OprofileCounter counter;
-
-		private ScrolledComposite scrolledTop;
-		protected Composite tabTopContainer;
-
-
-		public Composite getTabTopContainer() {
-			return tabTopContainer;
-		}
-
-		public void setTabTopContainer(Composite tabTopContainer) {
-			this.tabTopContainer = tabTopContainer;
-		}
-
-		/**
-		 * Constructor for a subtab. Creates the layout and widgets for its content.
-		 * @param parent composite the widgets will be created in
-		 * @param counter the associated OprofileCounter object
-		 */
-		public CounterSubTab(Composite parent, OprofileCounter counter) {
-			this.counter = counter;
-
-			parent.setLayout(new GridLayout());
-
-			//scrollable composite on top
-			ScrolledComposite scrolledContainer = new ScrolledComposite(parent, SWT.H_SCROLL | SWT.V_SCROLL);
-			scrolledContainer.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
-			GridLayout layout = new GridLayout();
-			layout.marginHeight = 0;
-			layout.marginWidth = 0;
-			scrolledContainer.setLayout(layout);
-			scrolledContainer.setExpandHorizontal(true);
-			scrolledContainer.setExpandVertical(true);
-
-			//composite to contain the rest of the tab
-			Composite tabTopContainer = new Composite(scrolledContainer, SWT.NONE);
-			scrolledContainer.setContent(tabTopContainer);
-			layout = new GridLayout();
-			layout.marginHeight = 0;
-			layout.marginWidth = 0;
-			layout.numColumns = 2;
-			tabTopContainer.setLayout(layout);
-			tabTopContainer.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
-
-			//top cell
-			Composite topCellComp = new Composite(tabTopContainer, SWT.NONE);
-			layout = new GridLayout();
-			layout.marginHeight = 0;
-			layout.marginWidth = 0;
-			layout.numColumns = 2;
-			topCellComp.setLayout(layout);
-			topCellComp.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 2, 1));
-
-			createTopCell(topCellComp);
-
-			createVerticalSpacer(tabTopContainer, 2);
-
-			//left side composite group for eventList
-			Composite eventListComp = new Composite(tabTopContainer, SWT.NONE);
-			layout = new GridLayout();
-			layout.marginHeight = 0;
-			layout.marginWidth = 0;
-			eventListComp.setLayout(layout);
-			//layoutdata is set later
-
-			createLeftCell(eventListComp);
-
-
-			//right side composite group for other event config and unit mask
-			Composite eventConfigComp = new Composite(tabTopContainer, SWT.NONE);
-			layout = new GridLayout();
-			layout.numColumns = 2;
-			layout.marginHeight = 0;
-			layout.marginWidth = 0;
-			eventConfigComp.setLayout(layout);
-			eventConfigComp.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
-
-			createRightCell(eventConfigComp);
-
-
-			//set the list's composite layout based on the right cell's size
-			GridData data = new GridData(SWT.FILL, SWT.FILL, false, true);
-			data.heightHint = eventConfigComp.getSize().x;
-			eventListComp.setLayoutData(data);
-
-			scrolledTop = scrolledContainer;
-			this.tabTopContainer = tabTopContainer;
-		}
-
-		/**
-		 * Creates the "Enabled" checkbox, and the event description text.
-		 * @param parent composite these widgets will be created in
-		 */
-		private void createTopCell(Composite parent) {
-			//checkbox
-			enabledCheck = new Button(parent, SWT.CHECK);
-			enabledCheck.setText(OprofileLaunchMessages.getString("tab.event.counterSettings.enabled.button.text")); //$NON-NLS-1$
-			enabledCheck.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false, 2, 1));
-			enabledCheck.addSelectionListener(new SelectionAdapter() {
-				@Override
-				public void widgetSelected(SelectionEvent se) {
-					counter.setEnabled(enabledCheck.getSelection());
-					internalSetEnabledState(counter.getEnabled());
-					updateLaunchConfigurationDialog();
-				}
-			});
-			enabledCheck.setEnabled(false);
-
-			//label for textbox
-			eventDescLabel = new Label(parent, SWT.NONE);
-			eventDescLabel.setText(OprofileLaunchMessages.getString("tab.event.eventDescription.label.text")); //$NON-NLS-1$
-			eventDescLabel.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false));
-
-			//textbox
-			eventDescText = new Text(parent, SWT.SINGLE | SWT.BORDER | SWT.READ_ONLY);
-			eventDescText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
-		}
-
-		/**
-		 * Creates the event list widget.
-		 * @param parent composite these widgets will be created in
-		 */
-		private void createLeftCell(Composite parent) {
-			// Text box used to filter the event list
-			eventFilterText = new Text(parent, SWT.BORDER | SWT.SINGLE | SWT.ICON_CANCEL | SWT.SEARCH);
-			eventFilterText.setMessage(OprofileLaunchMessages.getString("tab.event.eventfilter.message"));
-			GridData eventFilterLayout = new GridData();
-			eventFilterLayout.horizontalAlignment = SWT.FILL;
-			eventFilterLayout.grabExcessHorizontalSpace = true;
-			eventFilterText.setLayoutData(eventFilterLayout);
-			eventFilterText.addModifyListener(new ModifyListener() {
-				public void modifyText(ModifyEvent e) {
-					eventList.refresh(false);
-				}
-			});
-
-			eventList = new ListViewer(parent, SWT.SINGLE | SWT.V_SCROLL | SWT.H_SCROLL | SWT.BORDER);
-			eventList.getList().setLayoutData(new GridData(SWT.LEFT, SWT.FILL, false, true));
-
-			eventList.setLabelProvider(new ILabelProvider(){
-				public String getText(Object element) {
-					OpEvent e = (OpEvent) element;
-					return e.getText();
-				}
-				public Image getImage(Object element) { return null; }
-				public void addListener(ILabelProviderListener listener) { }
-				public void dispose() { }
-				public boolean isLabelProperty(Object element, String property) { return false; }
-				public void removeListener(ILabelProviderListener listener) { }
-			});
-
-			eventList.setContentProvider(new IStructuredContentProvider() {
-				public Object[] getElements(Object inputElement) {
-					OprofileCounter ctr = (OprofileCounter) inputElement;
-					return ctr.getValidEvents();
-				}
-				public void dispose() { }
-				public void inputChanged(Viewer arg0, Object arg1, Object arg2) { }
-			});
-
-			//adds the events to the list from the counter
-			eventList.setInput(counter);
-
-			eventList.addSelectionChangedListener(new ISelectionChangedListener() {
-				public void selectionChanged(SelectionChangedEvent sce) {
-					handleEventListSelectionChange();
-				}
-			});
-		}
-
-		/**
-		 * Creates the 2 profile space checkboxes, event count and unit mask widget.
-		 * @param parent composite these widgets will be created in
-		 */
-		private void createRightCell(Composite parent) {
-			//profile kernel checkbox
-			profileKernelCheck = new Button(parent, SWT.CHECK);
-			profileKernelCheck.setText(OprofileLaunchMessages.getString("tab.event.counterSettings.profileKernel.check.text")); //$NON-NLS-1$
-			profileKernelCheck.addSelectionListener(new SelectionAdapter() {
-				@Override
-				public void widgetSelected(SelectionEvent se) {
-					handleProfileKernelToggle();
-				}
-			});
-
-			//profile user checkbox -- should this ever be disabled?
-			profileUserCheck = new Button(parent, SWT.CHECK);
-			profileUserCheck.setText(OprofileLaunchMessages.getString("tab.event.counterSettings.profileUser.check.text")); //$NON-NLS-1$
-			profileUserCheck.addSelectionListener(new SelectionAdapter() {
-				@Override
-				public void widgetSelected(SelectionEvent se) {
-					handleProfileUserToggle();
-				}
-			});
-
-			//event count label/text
-			countTextLabel = new Label(parent, SWT.NONE);
-			countTextLabel.setText(OprofileLaunchMessages.getString("tab.event.counterSettings.count.label.text")); //$NON-NLS-1$
-			countText = new Text(parent, SWT.SINGLE | SWT.BORDER);
-			countText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
-			countText.addModifyListener(new ModifyListener() {
-				public void modifyText(ModifyEvent me) {
-					handleCountTextModify();
-				}
-			});
-
-			//unit mask widget
-			Composite unitMaskComp = new Composite(parent, SWT.NONE);
-			GridLayout layout = new GridLayout();
-			layout.marginHeight = 0;
-			layout.marginWidth = 0;
-			unitMaskComp.setLayout(layout);
-			unitMaskComp.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1));
-
-			unitMaskViewer = new UnitMaskViewer(unitMaskComp);
-		}
-
-		/**
-		 * Creates a text filter for the events list widget
-		 */
-		private void createEventsFilter(){
-			// Event Filter
-			ViewerFilter eventFilter = new ViewerFilter() {
-
-				@Override
-				public Object[] filter(Viewer viewer, Object parent, Object[] elements) {
-					Object[] filteredElements = super.filter(viewer,parent,elements);
-					handleEventListSelectionChange();
-					return filteredElements;
-				}
-
-				@Override
-				public boolean select(Viewer viewer, Object parentElement, Object element) {
-					String[] filterTerms = eventFilterText.getText().trim().toLowerCase().split(" ");
-					String eventName = ((OpEvent)element).getText().toLowerCase();
-					String eventDescription = ((OpEvent)element).getTextDescription().toLowerCase();
-
-					boolean contains = true;
-
-					for (String filterTerm : filterTerms) {
-						if(contains){
-							contains = eventName.contains(filterTerm) || eventDescription.contains(filterTerm);
-						}
-					}
-					return contains;
-				}
-			};
-			if(eventList != null){
-				eventList.addFilter(eventFilter);
-			}
-		}
-
-		/**
-		 * Initializes the tab on first creation.
-		 * @param config default configuration for the counter and the associated widgets
-		 */
-		public void initializeTab(ILaunchConfiguration config) {
-			//make all controls inactive, since the 'default event' checkbox
-			// is checked by default
-			setEnabledState(false);
-
-			if (config != null) {
-				counter.loadConfiguration(config);
-			}
-
-			boolean enabled = counter.getEnabled();
-			enabledCheck.setSelection(enabled);
-
-			if (counter.getEvent() == null) {
-				// Default to first in list
-				counter.setEvent(counter.getValidEvents()[0]);
-			}
-
-			//load default states
-			profileKernelCheck.setSelection(counter.getProfileKernel());
-			profileUserCheck.setSelection(counter.getProfileUser());
-			countText.setText(Integer.toString(counter.getCount()));
-			eventDescText.setText(counter.getEvent().getTextDescription());
-			unitMaskViewer.displayEvent(counter.getEvent());
-			eventList.setSelection(new StructuredSelection(counter.getEvent()));
-		}
-
-		/**
-		 * Applies the tab's current state to the launch configuration.
-		 * @param config launch config to apply to
-		 */
-		public void performApply(ILaunchConfigurationWorkingCopy config) {
-			counter.saveConfiguration(config);
-		}
-
-		/**
-		 * Enables/disables the widgets in this tab.
-		 * @param state true to enable to the counter's state, false to disable all
-		 */
-		public void setEnabledState(boolean state) {
-			enabledCheck.setEnabled(state);
 
-			if (state) {
-				internalSetEnabledState(counter.getEnabled());
-			} else {
-				internalSetEnabledState(false);
-			}
-		}
-
-		/**
-		 * Method split from setEnabledState to avoid code duplication.
-		 * Not meant to be called directly.
-		 * @param state true to enable all widgets, false to disable all widgets
-		 */
-		private void internalSetEnabledState(boolean state) {
-			profileKernelCheck.setEnabled(state);
-			profileUserCheck.setEnabled(state);
-			countText.setEnabled(state);
-			eventDescText.setEnabled(state);
-			unitMaskViewer.setEnabled(state);
-			eventList.getList().setEnabled(state);
-			eventFilterText.setEnabled(state);
-		}
-
-		/**
-		 * Handling method for the event list. Gets the selection from the listviewer
-		 * and updates the UnitMask and event description text box.
-		 */
-		private void handleEventListSelectionChange() {
-			int index = eventList.getList().getSelectionIndex();
-			if (index != -1){
-				OpEvent event = (OpEvent) eventList.getElementAt(index);
-				counter.setEvent(event);
-				eventDescText.setText(event.getTextDescription());
-				unitMaskViewer.displayEvent(event);
-
-				// Check the min count to update the error message (events can have
-				// different minimum reset counts)
-				int min = counter.getEvent().getMinCount();
-				if (counter.getCount() < min) {
-					setErrorMessage(getMinCountErrorMessage(min));
-				}
-			} else {
-				counter.setEvent(null);
-				eventDescText.setText("");
-				if(unitMaskViewer != null){
-					unitMaskViewer.displayEvent(null);
-				}
-			}
-
-			updateLaunchConfigurationDialog();
-		}
-
-		/**
-		 * Handles the toggling of the "profile user" button.
-		 */
-		private void handleProfileUserToggle() {
-			counter.setProfileUser(profileUserCheck.getSelection());
-			updateLaunchConfigurationDialog();
-		}
-
-		/**
-		 * Handles the toggling of the "profile kernel" button.
-		 */
-		private void handleProfileKernelToggle() {
-			counter.setProfileKernel(profileKernelCheck.getSelection());
-			updateLaunchConfigurationDialog();
-		}
-
-		/**
-		 * Handles text modify events in the count text widget.
-		 */
-		private void handleCountTextModify() {
-			String errorMessage = null;
-			try {
-
-				// This seems counter-intuitive, but we must save the count
-				// so that isValid knows this launch config is invalid
-				int count = Integer.parseInt(countText.getText());
-				counter.setCount(count);
-
-				// Check minimum count
-				int min = counter.getEvent().getMinCount();
-				if (count < min) {
-					errorMessage = getMinCountErrorMessage(min);
-				}
-			} catch (NumberFormatException e) {
-				errorMessage = OprofileLaunchMessages.getString("tab.event.counterSettings.count.invalid"); //$NON-NLS-1$
-				counter.setCount(OprofileDaemonEvent.COUNT_INVALID);
-			} finally {
-				setErrorMessage(errorMessage);
-				updateLaunchConfigurationDialog();
-			}
-		}
-
-		/**
-		 * Returns a string with the minimum allowed count, suitable foruse with setErrorMessage().
-		 * @param min minimum count
-		 * @return a String containing the error message
-		 */
-		private String getMinCountErrorMessage(int min) {
-			String msg = OprofileLaunchMessages.getString("tab.event.counterSettings.count.too-small"); //$NON-NLS-1$
-			Object[] args = new Object[] { Integer.valueOf(min) };
-			return MessageFormat.format(msg, args);
-		}
-
-		/**
-		 * Changes parameters for the top scrolled composite which makes the scroll bars
-		 * appear when content overflows the visible area. Called by the UnitMaskViewer
-		 * whenever a new set of unit mask buttons are created, since the number of them is
-		 * variable and there is no guarantee as to the default size of the launch configuration
-		 * dialog in general.
-		 */
-		private void resizeScrollContainer() {
-			scrolledTop.setMinSize(tabTopContainer.computeSize(SWT.DEFAULT, SWT.DEFAULT));
-		}
-
-
-		/**
-		 * This class displays event unit masks via check boxes and appropriate labels.
-		 */
-		protected class UnitMaskViewer {
-			private Label unitMaskLabel;
-			private Composite top;
-			private Composite maskListComp;
-			private Button[] unitMaskButtons;
-
-			/**
-			 * Constructor, creates the widget.
-			 * @param parent composite the widget will be created in
-			 */
-			public UnitMaskViewer(Composite parent) {
-				//"Unit Mask:" label
-				unitMaskLabel = new Label(parent, SWT.NONE);
-				unitMaskLabel.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false));
-				unitMaskLabel.setText(OprofileLaunchMessages.getString("unitmaskViewer.label.text")); //$NON-NLS-1$
-				unitMaskLabel.setVisible(true);
-
-				//composite to contain the button widgets
-				Composite top = new Composite(parent, SWT.NONE);
-				top.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
-				GridLayout layout = new GridLayout();
-				layout.marginHeight = 0;
-				layout.marginWidth = 0;
-				top.setLayout(layout);
-				this.top = top;
-
-				maskListComp = null;
-				unitMaskButtons = null;
-			}
-
-			/**
-			 * Handles button toggles; updates the counter's unit mask to the appropriate value.
-			 * @param maskButton the button object
-			 * @param index the button's mask index (used in OpUnitMask for a proper mask value)
-			 */
-			private void handleToggle(Button maskButton, int index) {
-				OpUnitMask mask = counter.getUnitMask();
-				if (mask != null) {
-					if (maskButton.getSelection()) {
-						mask.setMaskFromIndex(index);
-					} else {
-						mask.unSetMaskFromIndex(index);
-					}
-				}
-
-				//update the parent tab
-				updateLaunchConfigurationDialog();
-			}
-
-			/**
-			 * Disposes of the old unit mask check list and creates a new one with
-			 *   the appropriate default value.
-			 * @param oe the event
-			 */
-			public void displayEvent(OpEvent oe) {
-				if (maskListComp != null) {
-					maskListComp.dispose();
-				}
-
-				if(oe == null){
-					return;
-				}
-
-
-				OpUnitMask mask = oe.getUnitMask();
-				int totalMasks = mask.getNumMasks();
-
-				Composite newMaskComp = new Composite(top, SWT.NONE);
-				newMaskComp.setLayout(new GridLayout());
-				newMaskComp.setLayoutData(new GridData(SWT.LEFT, SWT.FILL, false, true));
-				maskListComp = newMaskComp;
-
-				//creates these buttons with the default masks
-				mask.setDefaultMaskValue();
-
-				ArrayList<Button> maskButtons = new ArrayList<Button>();
-
-				for (int i = 0; i < totalMasks; i++) {
-					Button maskButton;
-
-					if (mask.getType() == OpUnitMask.INVALID) {
-						//big problem, most likely parsing went awry or opxml output mangled
-						OprofileCorePlugin.showErrorDialog("opxmlParse", null); //$NON-NLS-1$
-						return;
-					} else if (mask.getType() == OpUnitMask.MANDATORY) {
-						maskButton = new Button(newMaskComp, SWT.RADIO);
-						maskButton.setEnabled(false);
-						maskButton.setText(mask.getText(i));
-						maskButton.setSelection(true);
-					} else {
-						int buttonType;
-						final int maskButtonIndex = i;
-						boolean selected = mask.isMaskSetFromIndex(maskButtonIndex);
-
-						if (mask.getType() == OpUnitMask.EXCLUSIVE) {
-							buttonType = SWT.RADIO;
-						} else {	//mask type is OpUnitMask.BITMASK
-							buttonType = SWT.CHECK;
-						}
-
-						maskButton = new Button(newMaskComp, buttonType);
-						maskButton.setEnabled(true);
-						maskButton.setText(mask.getText(i));
-						maskButton.setSelection(selected);
-						maskButton.addSelectionListener(new SelectionAdapter() {
-							@Override
-							public void widgetSelected(SelectionEvent se) {
-								handleToggle((Button)se.getSource(), maskButtonIndex);
-							}
-						});
-
-						maskButtons.add(maskButton);
-					}
-				}
-
-				unitMaskButtons = new Button[maskButtons.size()];
-				maskButtons.toArray(unitMaskButtons);
-
-				resizeScrollContainer();
-			}
-
-			/**
-			 * Enables and disables the viewer for UI input
-			 * @param enabled whether this viewer should be enabled
-			 */
-			public void setEnabled(boolean enabled) {
-				if (unitMaskButtons != null) {
-					for (Button b : unitMaskButtons) {
-						b.setEnabled(enabled);
-					}
-				}
+	@Override
+	protected boolean hasPermissions(IProject project) {
+		Boolean perms = getPermissions();
+		try{
+			if (perms == null){
+				IOpcontrolProvider provider = OprofileCorePlugin.getDefault().getOpcontrolProvider();
+				perms = provider.hasPermissions(project);
+				setPermissions(perms);
 			}
+			return perms;
+		} catch (OpcontrolException e){
+			return false;
 		}
 	}
 }