ui/org.eclipse.pde.runtime/src/org/eclipse/pde/internal/runtime/logview/EventDetailsDialog.java - pde/eclipse.pde.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2003 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Common Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/cpl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.pde.internal.runtime.logview;

 import java.io.*;
 import java.text.*;
 import java.util.*;

 import org.eclipse.core.runtime.*;
 import org.eclipse.jface.dialogs.*;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.viewers.*;
 import org.eclipse.pde.internal.runtime.*;
 import org.eclipse.swt.*;
 import org.eclipse.swt.custom.*;
 import org.eclipse.swt.dnd.*;
 import org.eclipse.swt.graphics.*;
 import org.eclipse.swt.layout.*;
 import org.eclipse.swt.widgets.*;
 import org.eclipse.ui.*;

 public class EventDetailsDialog extends Dialog {
 	private LogEntry entry, parentEntry;
 	private LogViewLabelProvider labelProvider;
 	private static int COPY_ID = 22;
 	private TableTreeViewer provider;
 	private int elementNum, totalElementCount;
 	private LogEntry[] entryChildren;
 	private int childIndex = 0;
 	private boolean isOpen;

 	private Label dateLabel;
 	private Label severityImageLabel;
 	private Label severityLabel;
 	private Text msgText;
 	private Text stackTraceText;
 	private Text sessionDataText;
 	private Clipboard clipboard;
 	private Button copyButton;
 	private Button backButton;
 	private Button nextButton;
 	private Image imgNextEnabled;
 	private Image imgPrevEnabled;
 	private Image imgCopyEnabled;
 	private SashForm sashForm;

 	// sorting
 	private static int ASCENDING = 1;
 	private Comparator comparator = null;
 	private Collator collator;

 	// location configuration
 	private IDialogSettings dialogSettings;
 	private Point dialogLocation;
 	private Point dialogSize;
 	private int[] sashWeights;

 	// externalize strings
 	private String EVENT_NO_STACK = "EventDetailsDialog.noStack";
 	private String EVENT_PREVIOUS = "EventDetailsDialog.previous";
 	private String EVENT_NEXT = "EventDetailsDialog.next";
 	private String EVENT_COPY = "EventDetailsDialog.copy";

 	/**
 	 * @param parentShell
 	 *            shell in which dialog is displayed
 	 */
 	protected EventDetailsDialog(Shell parentShell, IAdaptable selection, ISelectionProvider provider) {
 		super(parentShell);
 		labelProvider = new LogViewLabelProvider();
 		this.provider = (TableTreeViewer) provider;
 		this.entry = (LogEntry)selection;
 		setShellStyle(SWT.MODELESS | SWT.MIN | SWT.MAX | SWT.RESIZE | SWT.CLOSE | SWT.BORDER | SWT.TITLE);
 		clipboard = new Clipboard(parentShell.getDisplay());
 		initialize();
 		createImages();
 		collator = Collator.getInstance();
 		readConfiguration();
 	}

 	private void initialize() {
 		elementNum = getParentElementNum();
 		totalElementCount = provider.getTableTree().getTable().getItemCount() - getVisibleChildrenCount();
 		parentEntry = (LogEntry) entry.getParent(entry);
 		if (isChild(entry)){
 			setEntryChildren(parentEntry);
 			resetChildIndex();
 		}
 	}

 	private void resetChildIndex(){
 		for (int i = 0; i<entryChildren.length; i++){
 			if (entryChildren[i].getMessage().equals(entry.getMessage())
 					&& entryChildren[i].getDate().equals(entry.getDate())
 					&& entryChildren[i].getPluginId().equals(entry.getPluginId())
 					&& entryChildren[i].getSeverity() == entry.getSeverity()
 					&& entryChildren[i].getSeverityText().equals(entry.getSeverityText())){
 				childIndex = i;
 				break;
 			}
 		}
 	}

 	private void createImages(){
 		imgCopyEnabled =
 			PlatformUI.getWorkbench().getSharedImages().getImageDescriptor(ISharedImages.IMG_TOOL_COPY).createImage(
 				true);
 		//imgNextDisabled. = PDERuntimePluginImages.DESC_NEXT_EVENT_DISABLED.createImage(true);
 		//imgPrevDisabled = PDERuntimePluginImages.DESC_PREV_EVENT_DISABLED.createImage(true);
 		imgPrevEnabled = PDERuntimePluginImages.DESC_PREV_EVENT.createImage(true);
 		imgNextEnabled = PDERuntimePluginImages.DESC_NEXT_EVENT.createImage(true);
 	}

 	private boolean isChild(LogEntry entry) {
 		return entry.getParent(entry) != null;
 	}

 	public boolean isOpen(){
 		return isOpen;
 	}

 	public int open(){
 		isOpen = true;
 		if (sashWeights == null){
 			int width = getSashForm().getClientArea().width;
 			if (width - 100 > 0)
 				width -= 100;
 			else
 				width = width/2;
 			sashWeights = new int[]{width, getSashForm().getClientArea().width-width};
 		}
 		getSashForm().setWeights(sashWeights);
 		return super.open();
 	}

 	public boolean close() {
 		storeSettings();
 		isOpen = false;
 		imgCopyEnabled.dispose();
 		imgNextEnabled.dispose();
 		imgPrevEnabled.dispose();
 		return super.close();
 	}

 	public void create() {
 		super.create();

 		// dialog location
 		if (dialogLocation != null)
 			getShell().setLocation(dialogLocation);

 		// dialog size
 		if (dialogSize != null)
 			getShell().setSize(dialogSize);
 		else
 			getShell().setSize(500,550);


 		applyDialogFont(buttonBar);
 		getButton(IDialogConstants.OK_ID).setFocus();
 	}

 	protected void buttonPressed(int buttonId) {
 		if (IDialogConstants.OK_ID == buttonId)
 			okPressed();
 		else if (IDialogConstants.CANCEL_ID == buttonId)
 			cancelPressed();
 		else if (IDialogConstants.BACK_ID == buttonId)
 			backPressed();
 		else if (IDialogConstants.NEXT_ID == buttonId)
 			nextPressed();
 		else if (COPY_ID == buttonId)
 			copyPressed();
 	}

 	protected void backPressed() {
 		if (isChild(entry)) {
 			if (childIndex > 0) {
 				childIndex--;
 				entry = entryChildren[childIndex];
 			} else
 				entry = parentEntry;
 		} else {
 			if (elementNum - 1 >= 0)
 				elementNum -= 1;
 			entry = (LogEntry) ((TableTreeViewer) provider).getElementAt(elementNum);
 		}
 		setEntrySelectionInTable();
 	}

 	protected void nextPressed() {
 		if (isChild(entry) && childIndex < entryChildren.length-1) {
 			childIndex++;
 			entry = entryChildren[childIndex];
 		} else if (elementNum + 1 < totalElementCount){
 				elementNum += 1;
 			entry = (LogEntry) ((TableTreeViewer) provider).getElementAt(elementNum);
 		} else { // at end of list but can branch into child elements - bug 58083
 			setEntryChildren(entry);
 			entry = entryChildren[0];
 		}
 		setEntrySelectionInTable();
 	}

 	protected void copyPressed() {
 		StringWriter writer = new StringWriter();
 		PrintWriter pwriter = new PrintWriter(writer);

 		entry.write(pwriter);
 		pwriter.flush();
 		String textVersion = writer.toString();
 		try {
 			pwriter.close();
 			writer.close();
 		} catch (IOException e) {
 		}
 		// set the clipboard contents
 		clipboard.setContents(new Object[] { textVersion }, new Transfer[] { TextTransfer.getInstance()});
 	}

 	private void setComparator(byte sortType, final int sortOrder){
 		if (sortType == LogView.DATE){
 			comparator = new Comparator(){
 				public int compare(Object e1, Object e2) {
 					try {
 						SimpleDateFormat formatter = new SimpleDateFormat("MMM dd, yyyy HH:mm:ss.SS"); //$NON-NLS-1$
 						Date date1 = formatter.parse(((LogEntry)e1).getDate());
 						Date date2 = formatter.parse(((LogEntry)e2).getDate());
 						if (sortOrder == ASCENDING) {
 							return date1.before(date2) ? -1 : 1;
 						} else {
 							return date1.after(date2) ? -1 : 1;
 						}
 					} catch (ParseException e) {
 					}
 					return 0;
 				}
 			};
 		} else if (sortType == LogView.PLUGIN){
 			comparator = new Comparator(){
 				public int compare(Object e1, Object e2) {
 					LogEntry entry1 = (LogEntry)e1;
 					LogEntry entry2 = (LogEntry)e2;
 					return collator.compare(entry1.getPluginId(), entry2.getPluginId()) * sortOrder;
 				}
 			};
 		} else {
 			comparator = new Comparator(){
 				public int compare(Object e1, Object e2) {
 					LogEntry entry1 = (LogEntry)e1;
 					LogEntry entry2 = (LogEntry)e2;
 					return collator.compare(entry1.getMessage(), entry2.getMessage()) * sortOrder;
 				}
 			};
 		}
 	}

 	public void resetSelection(IAdaptable selectedEntry, byte sortType, int sortOrder){
 		setComparator(sortType, sortOrder);
 		resetSelection(selectedEntry);
 	}

 	public void resetSelection(IAdaptable selectedEntry){
 		if (entry.equals((LogEntry)selectedEntry) &&
 				elementNum == getParentElementNum()){
 			updateProperties();
 			return;
 		}
 		entry = (LogEntry)selectedEntry;
 		initialize();
 		updateProperties();
 	}

 	public void resetButtons(){
 		backButton.setEnabled(false);
 		nextButton.setEnabled(false);
 	}

 	private void setEntrySelectionInTable(){
 		ISelection selection = new StructuredSelection(entry);
 		provider.setSelection(selection);
 	}

 	public void updateProperties() {
 		if (isChild(entry)){
 			parentEntry = (LogEntry) entry.getParent(entry);
 			setEntryChildren(parentEntry);
 			resetChildIndex();
 		}


 		totalElementCount = provider.getTableTree().getTable().getItemCount() - getVisibleChildrenCount();
 		dateLabel.setText(entry.getDate());
 		severityImageLabel.setImage(labelProvider.getColumnImage(entry, 1));
 		severityLabel.setText(entry.getSeverityText());
 		msgText.setText(entry.getMessage());
 		String stack = entry.getStack();
 		if (stack != null) {
 			stackTraceText.setText(stack);
 		} else {
 			stackTraceText.setText(PDERuntimePlugin.getResourceString(EVENT_NO_STACK));
 		}
 		LogSession session = entry.getSession();
 		if (session != null && session.getSessionData() != null)
 			sessionDataText.setText(session.getSessionData());

 		updateButtons();
 	}

 	private void updateButtons(){
 		boolean isAtEnd = elementNum == totalElementCount - 1;
 		if (isChild(entry)){
 			backButton.setEnabled(true);
 			boolean isLastChild = childIndex == entryChildren.length-1;
 			nextButton.setEnabled(!isLastChild || !isAtEnd || entry.hasChildren());
 		} else {
 			backButton.setEnabled(elementNum != 0);
 			nextButton.setEnabled(!isAtEnd || entry.hasChildren());
 		}
 	}

 	private void setEntryChildren(LogEntry parent){
 		Object[] children = parent.getChildren(parent);
 		if (comparator != null)
 			Arrays.sort(children, comparator);
 		entryChildren = new LogEntry[children.length];
 		System.arraycopy(children,0,entryChildren,0,children.length);
 	}

 	private int getParentElementNum(){
 		LogEntry itemEntry = (LogEntry)((IStructuredSelection)provider.getSelection()).getFirstElement();
 		itemEntry = getRootEntry(itemEntry);

 		for (int i = 0; i<provider.getTableTree().getItemCount(); i++){
 			try {
 				LogEntry littleEntry = (LogEntry)provider.getElementAt(i);
 				if (itemEntry.equals(littleEntry)){
 					return i;
 				}
 			} catch (Exception e){

 			}
 		}
 		return 0;
 	}
 	private LogEntry getRootEntry(LogEntry entry){
 		if (!isChild(entry))
 			return entry;
 		return getRootEntry((LogEntry)entry.getParent(entry));
 	}
 	public SashForm getSashForm(){
 		return sashForm;
 	}
 	private int getVisibleChildrenCount(){
 		Object[] elements = provider.getVisibleExpandedElements();
 		LogEntry[] expandedElements = new LogEntry[elements.length];
 		System.arraycopy(elements, 0, expandedElements, 0, elements.length);
 		int count = 0;
 		for (int i = 0; i<expandedElements.length; i++){
 			count += expandedElements[i].getChildren(expandedElements[i]).length;
 		}
 		return count;
 	}

 	protected Control createDialogArea(Composite parent) {
 		Composite container = new Composite(parent, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 1;
 		container.setLayout(layout);
 		GridData gd = new GridData(GridData.FILL_BOTH);
 		container.setLayoutData(gd);

 		createDetailsSection(container);
 		createSashForm(container);
 		createStackSection(getSashForm());
 		createSessionSection(getSashForm());

 		updateProperties();
 		Dialog.applyDialogFont(container);
 		return container;
 	}

 	private void createSashForm(Composite parent){
 		sashForm = new SashForm(parent, SWT.VERTICAL);
 		GridLayout layout = new GridLayout();
 		layout.marginHeight = layout.marginWidth = 0;
 		sashForm.setLayout(layout);
 		sashForm.setLayoutData(new GridData(GridData.FILL_BOTH));
 	}

 	private void createToolbarButtonBar(Composite parent) {
 		Composite comp = new Composite(parent, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.marginWidth = layout.marginHeight = 0;
 		layout.numColumns = 1;
 		comp.setLayout(layout);
 		comp.setLayoutData(new GridData(GridData.FILL_VERTICAL));

 		Composite container = new Composite(comp, SWT.NONE);
 		layout = new GridLayout();
 		layout.marginWidth = 0;
 		layout.marginHeight = 10;
 		layout.numColumns = 1;
 		container.setLayout(layout);
 		container.setLayoutData(new GridData(GridData.FILL_BOTH));

 		backButton = createButton(container, IDialogConstants.BACK_ID, "", false);
 		GridData gd = new GridData(GridData.FILL_HORIZONTAL);
 		gd.horizontalSpan = 3;
 		gd.verticalSpan = 1;
 		backButton.setLayoutData(gd);
 		backButton.setToolTipText(PDERuntimePlugin.getResourceString(EVENT_PREVIOUS));
 		backButton.setImage(imgPrevEnabled);

 		nextButton = createButton(container, IDialogConstants.NEXT_ID, "", false);
 		gd = new GridData();
 		gd.horizontalSpan = 3;
 		gd.verticalSpan = 1;
 		nextButton.setLayoutData(gd);
 		nextButton.setToolTipText(PDERuntimePlugin.getResourceString(EVENT_NEXT));
 		nextButton.setImage(imgNextEnabled);

 		copyButton = createButton(container, COPY_ID, "", false);
 		gd = new GridData();
 		gd.horizontalSpan = 3;
 		gd.verticalSpan = 1;
 		copyButton.setLayoutData(gd);
 		copyButton.setImage(imgCopyEnabled);
 		copyButton.setToolTipText(PDERuntimePlugin.getResourceString(EVENT_COPY));
 	}

 	protected void createButtonsForButtonBar(Composite parent) {
 		// create OK button only by default
 		createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
 	}

 	private void createDetailsSection(Composite parent) {
 		Composite container = new Composite(parent, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 2;
 		container.setLayout(layout);
 		container.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

 		createTextSection(container);
 		createToolbarButtonBar(container);
 	}

 	private void createTextSection(Composite parent) {
 		Composite textContainer = new Composite(parent, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 3;
 		layout.marginHeight = layout.marginWidth = 0;
 		textContainer.setLayout(layout);
 		textContainer.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

 		Label label = new Label(textContainer, SWT.NONE);
 		label.setText(PDERuntimePlugin.getResourceString("EventDetailsDialog.date")); //$NON-NLS-1$
 		dateLabel = new Label(textContainer, SWT.NULL);
 		GridData gd = new GridData(GridData.FILL_HORIZONTAL);
 		gd.horizontalSpan = 2;
 		dateLabel.setLayoutData(gd);

 		label = new Label(textContainer, SWT.NONE);
 		label.setText(PDERuntimePlugin.getResourceString("EventDetailsDialog.severity")); //$NON-NLS-1$
 		severityImageLabel = new Label(textContainer, SWT.NULL);
 		severityLabel = new Label(textContainer, SWT.NULL);
 		gd = new GridData(GridData.FILL_HORIZONTAL);
 		severityLabel.setLayoutData(gd);

 		label = new Label(textContainer, SWT.NONE);
 		label.setText(PDERuntimePlugin.getResourceString("EventDetailsDialog.message")); //$NON-NLS-1$
 		gd = new GridData(GridData.VERTICAL_ALIGN_BEGINNING);
 		label.setLayoutData(gd);
 		msgText = new Text(textContainer, SWT.MULTI | SWT.V_SCROLL | SWT.WRAP | SWT.BORDER);
 		msgText.setEditable(false);
 		gd = new GridData(GridData.FILL_BOTH | GridData.VERTICAL_ALIGN_BEGINNING | GridData.GRAB_VERTICAL);
 		gd.horizontalSpan = 2;
 		gd.verticalSpan = 8;
 		gd.grabExcessVerticalSpace = true;
 		msgText.setLayoutData(gd);
 	}

 	private void createStackSection(Composite parent) {
 		Composite container = new Composite(parent, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.marginHeight = 0;
 		layout.marginWidth = 6;
 		container.setLayout(layout);
 		GridData gd = new GridData(GridData.FILL_BOTH);
 		gd.heightHint = 100;
 		container.setLayoutData(gd);

 		Label label = new Label(container, SWT.NULL);
 		label.setText(PDERuntimePlugin.getResourceString("EventDetailsDialog.exception")); //$NON-NLS-1$
 		gd = new GridData(GridData.FILL_HORIZONTAL);
 		gd.horizontalSpan = 3;
 		label.setLayoutData(gd);

 		stackTraceText = new Text(container, SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL | SWT.BORDER);
 		gd = new GridData(GridData.FILL_BOTH | GridData.GRAB_HORIZONTAL);
 		gd.grabExcessHorizontalSpace = true;
 		stackTraceText.setLayoutData(gd);
 		stackTraceText.setEditable(false);
 	}

 	private void createSessionSection(Composite parent) {
 		Composite container = new Composite(parent, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.marginHeight = 0;
 		layout.marginWidth = 6;
 		container.setLayout(layout);
 		GridData gd = new GridData(GridData.FILL_HORIZONTAL);
 		gd.heightHint = 100;
 		container.setLayoutData(gd);

 		Label line = new Label(container, SWT.SEPARATOR | SWT.HORIZONTAL);
 		gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
 		gd.widthHint = 1;
 		line.setLayoutData(gd);

 		Label label = new Label(container, SWT.NONE);
 		label.setText(PDERuntimePlugin.getResourceString("EventDetailsDialog.session")); //$NON-NLS-1$
 		gd = new GridData(GridData.FILL_HORIZONTAL);
 		label.setLayoutData(gd);
 		sessionDataText = new Text(container, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL );
 		gd = new GridData(GridData.FILL_BOTH | GridData.GRAB_HORIZONTAL);
 		gd.grabExcessHorizontalSpace = true;
 		sessionDataText.setLayoutData(gd);
 		sessionDataText.setEditable(false);
 	}

 	//--------------- configuration handling --------------

 	/**
 	 * Stores the current state in the dialog settings.
 	 * @since 2.0
 	 */
 	private void storeSettings() {
 		writeConfiguration();
 	}
 	/**
 	 * Returns the dialog settings object used to share state
 	 * between several event detail dialogs.
 	 *
 	 * @return the dialog settings to be used
 	 */
 	private IDialogSettings getDialogSettings() {
 		IDialogSettings settings= PDERuntimePlugin.getDefault().getDialogSettings();
 		dialogSettings= settings.getSection(getClass().getName());
 		if (dialogSettings == null)
 			dialogSettings= settings.addNewSection(getClass().getName());
 		return dialogSettings;
 	}

 	/**
 	 * Initializes itself from the dialog settings with the same state
 	 * as at the previous invocation.
 	 */
 	private void readConfiguration() {
 		IDialogSettings s= getDialogSettings();
 		try {
 			int x= s.getInt("x"); //$NON-NLS-1$
 			int y= s.getInt("y"); //$NON-NLS-1$
 			dialogLocation= new Point(x, y);

 			x = s.getInt("width");
 			y = s.getInt("height");
 			dialogSize = new Point(x,y);

 			sashWeights = new int[2];
 			sashWeights[0] = s.getInt("sashWidth1");
 			sashWeights[1] = s.getInt("sashWidth2");

 		} catch (NumberFormatException e) {
 			dialogLocation= null;
 			dialogSize = null;
 			sashWeights = null;
 		}
 	}

 	private void writeConfiguration(){
 		IDialogSettings s = getDialogSettings();
 		Point location = getShell().getLocation();
 		s.put("x", location.x);
 		s.put("y", location.y);

 		Point size = getShell().getSize();
 		s.put("width", size.x);
 		s.put("height", size.y);

 		sashWeights = getSashForm().getWeights();
 		s.put("sashWidth1", sashWeights[0]);
 		s.put("sashWidth2", sashWeights[1]);
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2003 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Common Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/cpl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.pde.internal.runtime.logview;

	import java.io.*;
	import java.text.*;
	import java.util.*;

	import org.eclipse.core.runtime.*;
	import org.eclipse.jface.dialogs.*;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.viewers.*;
	import org.eclipse.pde.internal.runtime.*;
	import org.eclipse.swt.*;
	import org.eclipse.swt.custom.*;
	import org.eclipse.swt.dnd.*;
	import org.eclipse.swt.graphics.*;
	import org.eclipse.swt.layout.*;
	import org.eclipse.swt.widgets.*;
	import org.eclipse.ui.*;

	public class EventDetailsDialog extends Dialog {
	private LogEntry entry, parentEntry;
	private LogViewLabelProvider labelProvider;
	private static int COPY_ID = 22;
	private TableTreeViewer provider;
	private int elementNum, totalElementCount;
	private LogEntry[] entryChildren;
	private int childIndex = 0;
	private boolean isOpen;

	private Label dateLabel;
	private Label severityImageLabel;
	private Label severityLabel;
	private Text msgText;
	private Text stackTraceText;
	private Text sessionDataText;
	private Clipboard clipboard;
	private Button copyButton;
	private Button backButton;
	private Button nextButton;
	private Image imgNextEnabled;
	private Image imgPrevEnabled;
	private Image imgCopyEnabled;
	private SashForm sashForm;

	// sorting
	private static int ASCENDING = 1;
	private Comparator comparator = null;
	private Collator collator;

	// location configuration
	private IDialogSettings dialogSettings;
	private Point dialogLocation;
	private Point dialogSize;
	private int[] sashWeights;

	// externalize strings
	private String EVENT_NO_STACK = "EventDetailsDialog.noStack";
	private String EVENT_PREVIOUS = "EventDetailsDialog.previous";
	private String EVENT_NEXT = "EventDetailsDialog.next";
	private String EVENT_COPY = "EventDetailsDialog.copy";

	/**
	* @param parentShell
	* shell in which dialog is displayed
	*/
	protected EventDetailsDialog(Shell parentShell, IAdaptable selection, ISelectionProvider provider) {
	super(parentShell);
	labelProvider = new LogViewLabelProvider();
	this.provider = (TableTreeViewer) provider;
	this.entry = (LogEntry)selection;
	setShellStyle(SWT.MODELESS \| SWT.MIN \| SWT.MAX \| SWT.RESIZE \| SWT.CLOSE \| SWT.BORDER \| SWT.TITLE);
	clipboard = new Clipboard(parentShell.getDisplay());
	initialize();
	createImages();
	collator = Collator.getInstance();
	readConfiguration();
	}

	private void initialize() {
	elementNum = getParentElementNum();
	totalElementCount = provider.getTableTree().getTable().getItemCount() - getVisibleChildrenCount();
	parentEntry = (LogEntry) entry.getParent(entry);
	if (isChild(entry)){
	setEntryChildren(parentEntry);
	resetChildIndex();
	}
	}

	private void resetChildIndex(){
	for (int i = 0; i<entryChildren.length; i++){
	if (entryChildren[i].getMessage().equals(entry.getMessage())
	&& entryChildren[i].getDate().equals(entry.getDate())
	&& entryChildren[i].getPluginId().equals(entry.getPluginId())
	&& entryChildren[i].getSeverity() == entry.getSeverity()
	&& entryChildren[i].getSeverityText().equals(entry.getSeverityText())){
	childIndex = i;
	break;
	}
	}
	}

	private void createImages(){
	imgCopyEnabled =
	PlatformUI.getWorkbench().getSharedImages().getImageDescriptor(ISharedImages.IMG_TOOL_COPY).createImage(
	true);
	//imgNextDisabled. = PDERuntimePluginImages.DESC_NEXT_EVENT_DISABLED.createImage(true);
	//imgPrevDisabled = PDERuntimePluginImages.DESC_PREV_EVENT_DISABLED.createImage(true);
	imgPrevEnabled = PDERuntimePluginImages.DESC_PREV_EVENT.createImage(true);
	imgNextEnabled = PDERuntimePluginImages.DESC_NEXT_EVENT.createImage(true);
	}

	private boolean isChild(LogEntry entry) {
	return entry.getParent(entry) != null;
	}

	public boolean isOpen(){
	return isOpen;
	}

	public int open(){
	isOpen = true;
	if (sashWeights == null){
	int width = getSashForm().getClientArea().width;
	if (width - 100 > 0)
	width -= 100;
	else
	width = width/2;
	sashWeights = new int[]{width, getSashForm().getClientArea().width-width};
	}
	getSashForm().setWeights(sashWeights);
	return super.open();
	}

	public boolean close() {
	storeSettings();
	isOpen = false;
	imgCopyEnabled.dispose();
	imgNextEnabled.dispose();
	imgPrevEnabled.dispose();
	return super.close();
	}

	public void create() {
	super.create();

	// dialog location
	if (dialogLocation != null)
	getShell().setLocation(dialogLocation);

	// dialog size
	if (dialogSize != null)
	getShell().setSize(dialogSize);
	else
	getShell().setSize(500,550);


	applyDialogFont(buttonBar);
	getButton(IDialogConstants.OK_ID).setFocus();
	}

	protected void buttonPressed(int buttonId) {
	if (IDialogConstants.OK_ID == buttonId)
	okPressed();
	else if (IDialogConstants.CANCEL_ID == buttonId)
	cancelPressed();
	else if (IDialogConstants.BACK_ID == buttonId)
	backPressed();
	else if (IDialogConstants.NEXT_ID == buttonId)
	nextPressed();
	else if (COPY_ID == buttonId)
	copyPressed();
	}

	protected void backPressed() {
	if (isChild(entry)) {
	if (childIndex > 0) {
	childIndex--;
	entry = entryChildren[childIndex];
	} else
	entry = parentEntry;
	} else {
	if (elementNum - 1 >= 0)
	elementNum -= 1;
	entry = (LogEntry) ((TableTreeViewer) provider).getElementAt(elementNum);
	}
	setEntrySelectionInTable();
	}

	protected void nextPressed() {
	if (isChild(entry) && childIndex < entryChildren.length-1) {
	childIndex++;
	entry = entryChildren[childIndex];
	} else if (elementNum + 1 < totalElementCount){
	elementNum += 1;
	entry = (LogEntry) ((TableTreeViewer) provider).getElementAt(elementNum);
	} else { // at end of list but can branch into child elements - bug 58083
	setEntryChildren(entry);
	entry = entryChildren[0];
	}
	setEntrySelectionInTable();
	}

	protected void copyPressed() {
	StringWriter writer = new StringWriter();
	PrintWriter pwriter = new PrintWriter(writer);

	entry.write(pwriter);
	pwriter.flush();
	String textVersion = writer.toString();
	try {
	pwriter.close();
	writer.close();
	} catch (IOException e) {
	}
	// set the clipboard contents
	clipboard.setContents(new Object[] { textVersion }, new Transfer[] { TextTransfer.getInstance()});
	}

	private void setComparator(byte sortType, final int sortOrder){
	if (sortType == LogView.DATE){
	comparator = new Comparator(){
	public int compare(Object e1, Object e2) {
	try {
	SimpleDateFormat formatter = new SimpleDateFormat("MMM dd, yyyy HH:mm:ss.SS"); //$NON-NLS-1$
	Date date1 = formatter.parse(((LogEntry)e1).getDate());
	Date date2 = formatter.parse(((LogEntry)e2).getDate());
	if (sortOrder == ASCENDING) {
	return date1.before(date2) ? -1 : 1;
	} else {
	return date1.after(date2) ? -1 : 1;
	}
	} catch (ParseException e) {
	}
	return 0;
	}
	};
	} else if (sortType == LogView.PLUGIN){
	comparator = new Comparator(){
	public int compare(Object e1, Object e2) {
	LogEntry entry1 = (LogEntry)e1;
	LogEntry entry2 = (LogEntry)e2;
	return collator.compare(entry1.getPluginId(), entry2.getPluginId()) * sortOrder;
	}
	};
	} else {
	comparator = new Comparator(){
	public int compare(Object e1, Object e2) {
	LogEntry entry1 = (LogEntry)e1;
	LogEntry entry2 = (LogEntry)e2;
	return collator.compare(entry1.getMessage(), entry2.getMessage()) * sortOrder;
	}
	};
	}
	}

	public void resetSelection(IAdaptable selectedEntry, byte sortType, int sortOrder){
	setComparator(sortType, sortOrder);
	resetSelection(selectedEntry);
	}

	public void resetSelection(IAdaptable selectedEntry){
	if (entry.equals((LogEntry)selectedEntry) &&
	elementNum == getParentElementNum()){
	updateProperties();
	return;
	}
	entry = (LogEntry)selectedEntry;
	initialize();
	updateProperties();
	}

	public void resetButtons(){
	backButton.setEnabled(false);
	nextButton.setEnabled(false);
	}

	private void setEntrySelectionInTable(){
	ISelection selection = new StructuredSelection(entry);
	provider.setSelection(selection);
	}

	public void updateProperties() {
	if (isChild(entry)){
	parentEntry = (LogEntry) entry.getParent(entry);
	setEntryChildren(parentEntry);
	resetChildIndex();
	}


	totalElementCount = provider.getTableTree().getTable().getItemCount() - getVisibleChildrenCount();
	dateLabel.setText(entry.getDate());
	severityImageLabel.setImage(labelProvider.getColumnImage(entry, 1));
	severityLabel.setText(entry.getSeverityText());
	msgText.setText(entry.getMessage());
	String stack = entry.getStack();
	if (stack != null) {
	stackTraceText.setText(stack);
	} else {
	stackTraceText.setText(PDERuntimePlugin.getResourceString(EVENT_NO_STACK));
	}
	LogSession session = entry.getSession();
	if (session != null && session.getSessionData() != null)
	sessionDataText.setText(session.getSessionData());

	updateButtons();
	}

	private void updateButtons(){
	boolean isAtEnd = elementNum == totalElementCount - 1;
	if (isChild(entry)){
	backButton.setEnabled(true);
	boolean isLastChild = childIndex == entryChildren.length-1;
	nextButton.setEnabled(!isLastChild \|\| !isAtEnd \|\| entry.hasChildren());
	} else {
	backButton.setEnabled(elementNum != 0);
	nextButton.setEnabled(!isAtEnd \|\| entry.hasChildren());
	}
	}

	private void setEntryChildren(LogEntry parent){
	Object[] children = parent.getChildren(parent);
	if (comparator != null)
	Arrays.sort(children, comparator);
	entryChildren = new LogEntry[children.length];
	System.arraycopy(children,0,entryChildren,0,children.length);
	}

	private int getParentElementNum(){
	LogEntry itemEntry = (LogEntry)((IStructuredSelection)provider.getSelection()).getFirstElement();
	itemEntry = getRootEntry(itemEntry);

	for (int i = 0; i<provider.getTableTree().getItemCount(); i++){
	try {
	LogEntry littleEntry = (LogEntry)provider.getElementAt(i);
	if (itemEntry.equals(littleEntry)){
	return i;
	}
	} catch (Exception e){

	}
	}
	return 0;
	}
	private LogEntry getRootEntry(LogEntry entry){
	if (!isChild(entry))
	return entry;
	return getRootEntry((LogEntry)entry.getParent(entry));
	}
	public SashForm getSashForm(){
	return sashForm;
	}
	private int getVisibleChildrenCount(){
	Object[] elements = provider.getVisibleExpandedElements();
	LogEntry[] expandedElements = new LogEntry[elements.length];
	System.arraycopy(elements, 0, expandedElements, 0, elements.length);
	int count = 0;
	for (int i = 0; i<expandedElements.length; i++){
	count += expandedElements[i].getChildren(expandedElements[i]).length;
	}
	return count;
	}

	protected Control createDialogArea(Composite parent) {
	Composite container = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.numColumns = 1;
	container.setLayout(layout);
	GridData gd = new GridData(GridData.FILL_BOTH);
	container.setLayoutData(gd);

	createDetailsSection(container);
	createSashForm(container);
	createStackSection(getSashForm());
	createSessionSection(getSashForm());

	updateProperties();
	Dialog.applyDialogFont(container);
	return container;
	}

	private void createSashForm(Composite parent){
	sashForm = new SashForm(parent, SWT.VERTICAL);
	GridLayout layout = new GridLayout();
	layout.marginHeight = layout.marginWidth = 0;
	sashForm.setLayout(layout);
	sashForm.setLayoutData(new GridData(GridData.FILL_BOTH));
	}

	private void createToolbarButtonBar(Composite parent) {
	Composite comp = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.marginWidth = layout.marginHeight = 0;
	layout.numColumns = 1;
	comp.setLayout(layout);
	comp.setLayoutData(new GridData(GridData.FILL_VERTICAL));

	Composite container = new Composite(comp, SWT.NONE);
	layout = new GridLayout();
	layout.marginWidth = 0;
	layout.marginHeight = 10;
	layout.numColumns = 1;
	container.setLayout(layout);
	container.setLayoutData(new GridData(GridData.FILL_BOTH));

	backButton = createButton(container, IDialogConstants.BACK_ID, "", false);
	GridData gd = new GridData(GridData.FILL_HORIZONTAL);
	gd.horizontalSpan = 3;
	gd.verticalSpan = 1;
	backButton.setLayoutData(gd);
	backButton.setToolTipText(PDERuntimePlugin.getResourceString(EVENT_PREVIOUS));
	backButton.setImage(imgPrevEnabled);

	nextButton = createButton(container, IDialogConstants.NEXT_ID, "", false);
	gd = new GridData();
	gd.horizontalSpan = 3;
	gd.verticalSpan = 1;
	nextButton.setLayoutData(gd);
	nextButton.setToolTipText(PDERuntimePlugin.getResourceString(EVENT_NEXT));
	nextButton.setImage(imgNextEnabled);

	copyButton = createButton(container, COPY_ID, "", false);
	gd = new GridData();
	gd.horizontalSpan = 3;
	gd.verticalSpan = 1;
	copyButton.setLayoutData(gd);
	copyButton.setImage(imgCopyEnabled);
	copyButton.setToolTipText(PDERuntimePlugin.getResourceString(EVENT_COPY));
	}

	protected void createButtonsForButtonBar(Composite parent) {
	// create OK button only by default
	createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
	}

	private void createDetailsSection(Composite parent) {
	Composite container = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.numColumns = 2;
	container.setLayout(layout);
	container.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	createTextSection(container);
	createToolbarButtonBar(container);
	}

	private void createTextSection(Composite parent) {
	Composite textContainer = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.numColumns = 3;
	layout.marginHeight = layout.marginWidth = 0;
	textContainer.setLayout(layout);
	textContainer.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	Label label = new Label(textContainer, SWT.NONE);
	label.setText(PDERuntimePlugin.getResourceString("EventDetailsDialog.date")); //$NON-NLS-1$
	dateLabel = new Label(textContainer, SWT.NULL);
	GridData gd = new GridData(GridData.FILL_HORIZONTAL);
	gd.horizontalSpan = 2;
	dateLabel.setLayoutData(gd);

	label = new Label(textContainer, SWT.NONE);
	label.setText(PDERuntimePlugin.getResourceString("EventDetailsDialog.severity")); //$NON-NLS-1$
	severityImageLabel = new Label(textContainer, SWT.NULL);
	severityLabel = new Label(textContainer, SWT.NULL);
	gd = new GridData(GridData.FILL_HORIZONTAL);
	severityLabel.setLayoutData(gd);

	label = new Label(textContainer, SWT.NONE);
	label.setText(PDERuntimePlugin.getResourceString("EventDetailsDialog.message")); //$NON-NLS-1$
	gd = new GridData(GridData.VERTICAL_ALIGN_BEGINNING);
	label.setLayoutData(gd);
	msgText = new Text(textContainer, SWT.MULTI \| SWT.V_SCROLL \| SWT.WRAP \| SWT.BORDER);
	msgText.setEditable(false);
	gd = new GridData(GridData.FILL_BOTH \| GridData.VERTICAL_ALIGN_BEGINNING \| GridData.GRAB_VERTICAL);
	gd.horizontalSpan = 2;
	gd.verticalSpan = 8;
	gd.grabExcessVerticalSpace = true;
	msgText.setLayoutData(gd);
	}

	private void createStackSection(Composite parent) {
	Composite container = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.marginHeight = 0;
	layout.marginWidth = 6;
	container.setLayout(layout);
	GridData gd = new GridData(GridData.FILL_BOTH);
	gd.heightHint = 100;
	container.setLayoutData(gd);

	Label label = new Label(container, SWT.NULL);
	label.setText(PDERuntimePlugin.getResourceString("EventDetailsDialog.exception")); //$NON-NLS-1$
	gd = new GridData(GridData.FILL_HORIZONTAL);
	gd.horizontalSpan = 3;
	label.setLayoutData(gd);

	stackTraceText = new Text(container, SWT.MULTI \| SWT.V_SCROLL \| SWT.H_SCROLL \| SWT.BORDER);
	gd = new GridData(GridData.FILL_BOTH \| GridData.GRAB_HORIZONTAL);
	gd.grabExcessHorizontalSpace = true;
	stackTraceText.setLayoutData(gd);
	stackTraceText.setEditable(false);
	}

	private void createSessionSection(Composite parent) {
	Composite container = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.marginHeight = 0;
	layout.marginWidth = 6;
	container.setLayout(layout);
	GridData gd = new GridData(GridData.FILL_HORIZONTAL);
	gd.heightHint = 100;
	container.setLayoutData(gd);

	Label line = new Label(container, SWT.SEPARATOR \| SWT.HORIZONTAL);
	gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
	gd.widthHint = 1;
	line.setLayoutData(gd);

	Label label = new Label(container, SWT.NONE);
	label.setText(PDERuntimePlugin.getResourceString("EventDetailsDialog.session")); //$NON-NLS-1$
	gd = new GridData(GridData.FILL_HORIZONTAL);
	label.setLayoutData(gd);
	sessionDataText = new Text(container, SWT.BORDER \| SWT.V_SCROLL \| SWT.H_SCROLL );
	gd = new GridData(GridData.FILL_BOTH \| GridData.GRAB_HORIZONTAL);
	gd.grabExcessHorizontalSpace = true;
	sessionDataText.setLayoutData(gd);
	sessionDataText.setEditable(false);
	}

	//--------------- configuration handling --------------

	/**
	* Stores the current state in the dialog settings.
	* @since 2.0
	*/
	private void storeSettings() {
	writeConfiguration();
	}
	/**
	* Returns the dialog settings object used to share state
	* between several event detail dialogs.
	*
	* @return the dialog settings to be used
	*/
	private IDialogSettings getDialogSettings() {
	IDialogSettings settings= PDERuntimePlugin.getDefault().getDialogSettings();
	dialogSettings= settings.getSection(getClass().getName());
	if (dialogSettings == null)
	dialogSettings= settings.addNewSection(getClass().getName());
	return dialogSettings;
	}

	/**
	* Initializes itself from the dialog settings with the same state
	* as at the previous invocation.
	*/
	private void readConfiguration() {
	IDialogSettings s= getDialogSettings();
	try {
	int x= s.getInt("x"); //$NON-NLS-1$
	int y= s.getInt("y"); //$NON-NLS-1$
	dialogLocation= new Point(x, y);

	x = s.getInt("width");
	y = s.getInt("height");
	dialogSize = new Point(x,y);

	sashWeights = new int[2];
	sashWeights[0] = s.getInt("sashWidth1");
	sashWeights[1] = s.getInt("sashWidth2");

	} catch (NumberFormatException e) {
	dialogLocation= null;
	dialogSize = null;
	sashWeights = null;
	}
	}

	private void writeConfiguration(){
	IDialogSettings s = getDialogSettings();
	Point location = getShell().getLocation();
	s.put("x", location.x);
	s.put("y", location.y);

	Point size = getShell().getSize();
	s.put("width", size.x);
	s.put("height", size.y);

	sashWeights = getSashForm().getWeights();
	s.put("sashWidth1", sashWeights[0]);
	s.put("sashWidth2", sashWeights[1]);
	}
	}