trace/traceviewer/com.nokia.trace.eventview/src/com/nokia/trace/eventview/TraceEventView.java
changeset 11 5b9d4d8641ce
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10:ed1c9f64298a 11:5b9d4d8641ce
       
     1 /*
       
     2  * Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies). 
       
     3  * All rights reserved.
       
     4  * This component and the accompanying materials are made available
       
     5  * under the terms of "Eclipse Public License v1.0"
       
     6  * which accompanies this distribution, and is available
       
     7  * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8  *
       
     9  * Initial Contributors:
       
    10  * Nokia Corporation - initial contribution.
       
    11  *
       
    12  * Contributors:
       
    13  *
       
    14  * Description:
       
    15  *
       
    16  * Event view
       
    17  *
       
    18  */
       
    19 package com.nokia.trace.eventview;
       
    20 
       
    21 import org.eclipse.jface.action.IMenuListener;
       
    22 import org.eclipse.jface.action.IMenuManager;
       
    23 import org.eclipse.jface.action.MenuManager;
       
    24 import org.eclipse.jface.action.Separator;
       
    25 import org.eclipse.jface.preference.IPreferenceStore;
       
    26 import org.eclipse.jface.viewers.IStructuredSelection;
       
    27 import org.eclipse.jface.viewers.ITableLabelProvider;
       
    28 import org.eclipse.jface.viewers.TableViewer;
       
    29 import org.eclipse.jface.viewers.Viewer;
       
    30 import org.eclipse.swt.SWT;
       
    31 import org.eclipse.swt.events.ControlEvent;
       
    32 import org.eclipse.swt.events.ControlListener;
       
    33 import org.eclipse.swt.widgets.Composite;
       
    34 import org.eclipse.swt.widgets.Menu;
       
    35 import org.eclipse.swt.widgets.Table;
       
    36 import org.eclipse.swt.widgets.TableColumn;
       
    37 import org.eclipse.ui.IWorkbenchActionConstants;
       
    38 import org.eclipse.ui.part.ViewPart;
       
    39 import org.eclipse.ui.progress.IWorkbenchSiteProgressService;
       
    40 
       
    41 /**
       
    42  * Event view. {@link #getEventList() getEventList} method is the access point
       
    43  * for view extensions.
       
    44  */
       
    45 public class TraceEventView extends ViewPart implements ContentChangeListener {
       
    46 
       
    47 	/**
       
    48 	 * Type column title
       
    49 	 */
       
    50 	private static final String TYPE_TITLE = Messages
       
    51 			.getString("TraceEventView.TypeColumnTitle"); //$NON-NLS-1$
       
    52 
       
    53 	/**
       
    54 	 * Category column title
       
    55 	 */
       
    56 	private static final String CATEGORY_TITLE = Messages
       
    57 			.getString("TraceEventView.CategoryColumnTitle"); //$NON-NLS-1$
       
    58 
       
    59 	/**
       
    60 	 * Source column title
       
    61 	 */
       
    62 	private static final String SOURCE_TITLE = Messages
       
    63 			.getString("TraceEventView.SourceColumnTitle"); //$NON-NLS-1$
       
    64 
       
    65 	/**
       
    66 	 * Description column title
       
    67 	 */
       
    68 	private static final String DESCRIPTION_TITLE = Messages
       
    69 			.getString("TraceEventView.DescriptionColumnTitle"); //$NON-NLS-1$
       
    70 
       
    71 	/**
       
    72 	 * Type width configuration entry
       
    73 	 */
       
    74 	private static final String TYPE_WIDTH_CONFIGURATION = "TraceEventView.TypeWidth"; //$NON-NLS-1$
       
    75 
       
    76 	/**
       
    77 	 * Category width configuration entry
       
    78 	 */
       
    79 	private static final String CATEGORY_WIDTH_CONFIGURATION = "TraceEventView.CategoryWidth"; //$NON-NLS-1$
       
    80 
       
    81 	/**
       
    82 	 * Source width configuration entry
       
    83 	 */
       
    84 	private static final String SOURCE_WIDTH_CONFIGURATION = "TraceEventView.SourceWidth"; //$NON-NLS-1$
       
    85 
       
    86 	/**
       
    87 	 * Description width configuration entry
       
    88 	 */
       
    89 	private static final String DESCRIPTION_WIDTH_CONFIGURATION = "TraceEventView.DescriptionsWidth"; //$NON-NLS-1$
       
    90 
       
    91 	/**
       
    92 	 * Default width for type column
       
    93 	 */
       
    94 	private static final int DEFAULT_TYPE_WIDTH = 75;
       
    95 
       
    96 	/**
       
    97 	 * Default width for category column
       
    98 	 */
       
    99 	private static final int DEFAULT_CATEGORY_WIDTH = 150;
       
   100 
       
   101 	/**
       
   102 	 * Default width for source column
       
   103 	 */
       
   104 	private static final int DEFAULT_SOURCE_WIDTH = 150;
       
   105 
       
   106 	/**
       
   107 	 * Default width for description column
       
   108 	 */
       
   109 	private static final int DEFAULT_DESCRIPTION_WIDTH = 800;
       
   110 
       
   111 	/**
       
   112 	 * Type column index
       
   113 	 */
       
   114 	static final int TYPE_COLUM_INDEX = 0;
       
   115 
       
   116 	/**
       
   117 	 * Category column index
       
   118 	 */
       
   119 	static final int CATEGORY_COLUM_INDEX = 1;
       
   120 
       
   121 	/**
       
   122 	 * Source column index
       
   123 	 */
       
   124 	static final int SOURCE_COLUM_INDEX = 2;
       
   125 
       
   126 	/**
       
   127 	 * Description column index
       
   128 	 */
       
   129 	static final int DESCRIPTION_COLUM_INDEX = 3;
       
   130 
       
   131 	/**
       
   132 	 * Message list
       
   133 	 */
       
   134 	private TableViewer table;
       
   135 
       
   136 	/**
       
   137 	 * Remove event action
       
   138 	 */
       
   139 	private RemoveEventAction removeEventAction;
       
   140 
       
   141 	/**
       
   142 	 * Remove event action
       
   143 	 */
       
   144 	private RemoveAllEventsAction removeAllEventsAction;
       
   145 
       
   146 	/**
       
   147 	 * Descriptions column
       
   148 	 */
       
   149 	private TableColumn descriptionColumn;
       
   150 
       
   151 	/**
       
   152 	 * Descriptions column
       
   153 	 */
       
   154 	private TableColumn categoryColumn;
       
   155 
       
   156 	/**
       
   157 	 * Source column
       
   158 	 */
       
   159 	private TableColumn sourceColumn;
       
   160 
       
   161 	/**
       
   162 	 * Type column
       
   163 	 */
       
   164 	private TableColumn typeColumn;
       
   165 
       
   166 	/**
       
   167 	 * Content change listener
       
   168 	 */
       
   169 	public static ContentChangeListener contentChangeListener;
       
   170 
       
   171 	/*
       
   172 	 * (non-Javadoc)
       
   173 	 * 
       
   174 	 * @see
       
   175 	 * org.eclipse.ui.part.WorkbenchPart#createPartControl(org.eclipse.swt.widgets
       
   176 	 * .Composite)
       
   177 	 */
       
   178 	@Override
       
   179 	public void createPartControl(Composite parent) {
       
   180 		table = new TableViewer(parent, SWT.SINGLE | SWT.H_SCROLL
       
   181 				| SWT.V_SCROLL | SWT.FULL_SELECTION);
       
   182 		EventListContentProvider contentProvider = (EventListContentProvider) getEventList();
       
   183 		EventListLabelProvider labelProvider = new EventListLabelProvider();
       
   184 		removeEventAction = new RemoveEventAction(contentProvider);
       
   185 		removeAllEventsAction = new RemoveAllEventsAction(contentProvider);
       
   186 		table.setContentProvider(contentProvider);
       
   187 		table.setLabelProvider(labelProvider);
       
   188 
       
   189 		// Content provider creates the viewer updater. The updater needs the
       
   190 		// display reference in order to create asynchronous callbacks to the UI
       
   191 		// thread.
       
   192 		Table tableWidget = table.getTable();
       
   193 		createTypeColumn(tableWidget);
       
   194 		createCategoryColumn(tableWidget);
       
   195 		createSourceColumn(tableWidget);
       
   196 		createDescriptionColumn(tableWidget);
       
   197 		configureWidgets();
       
   198 		tableWidget.setHeaderVisible(true);
       
   199 		tableWidget.setLinesVisible(true);
       
   200 		hookContextMenu();
       
   201 		table.setInput(getViewSite().getShell().getDisplay());
       
   202 		setContentListener(this);
       
   203 	}
       
   204 
       
   205 	/**
       
   206 	 * Sets content listener
       
   207 	 * 
       
   208 	 * @param listener
       
   209 	 *            new content listener
       
   210 	 */
       
   211 	private void setContentListener(ContentChangeListener listener) {
       
   212 		contentChangeListener = listener;
       
   213 	}
       
   214 
       
   215 	/**
       
   216 	 * Configures the widgets
       
   217 	 */
       
   218 	void configureWidgets() {
       
   219 
       
   220 		// Get preference store from the plugin
       
   221 		IPreferenceStore preferences = Activator.getDefault()
       
   222 				.getPreferenceStore();
       
   223 
       
   224 		// Set description column width
       
   225 		int value = preferences.getInt(DESCRIPTION_WIDTH_CONFIGURATION);
       
   226 		if (value > 0) {
       
   227 			descriptionColumn.setWidth(value);
       
   228 		} else {
       
   229 			descriptionColumn.setWidth(DEFAULT_DESCRIPTION_WIDTH);
       
   230 		}
       
   231 
       
   232 		// Set category column width
       
   233 		value = preferences.getInt(CATEGORY_WIDTH_CONFIGURATION);
       
   234 		if (value > 0) {
       
   235 			categoryColumn.setWidth(value);
       
   236 		} else {
       
   237 			categoryColumn.setWidth(DEFAULT_CATEGORY_WIDTH);
       
   238 		}
       
   239 
       
   240 		// Set source column width
       
   241 		value = preferences.getInt(SOURCE_WIDTH_CONFIGURATION);
       
   242 		if (value > 0) {
       
   243 			sourceColumn.setWidth(value);
       
   244 		} else {
       
   245 			sourceColumn.setWidth(DEFAULT_SOURCE_WIDTH);
       
   246 		}
       
   247 
       
   248 		// Set type column width
       
   249 		value = preferences.getInt(TYPE_WIDTH_CONFIGURATION);
       
   250 		if (value > 0) {
       
   251 			typeColumn.setWidth(value);
       
   252 		} else {
       
   253 			typeColumn.setWidth(DEFAULT_TYPE_WIDTH);
       
   254 		}
       
   255 	}
       
   256 
       
   257 	/**
       
   258 	 * Creates the descriptions column
       
   259 	 * 
       
   260 	 * @param tableWidget
       
   261 	 *            the table widget
       
   262 	 */
       
   263 	private void createDescriptionColumn(Table tableWidget) {
       
   264 		descriptionColumn = new TableColumn(tableWidget, SWT.NONE);
       
   265 		descriptionColumn.setText(DESCRIPTION_TITLE);
       
   266 		descriptionColumn.addControlListener(new ControlListener() {
       
   267 
       
   268 			public void controlMoved(ControlEvent e) {
       
   269 			}
       
   270 
       
   271 			public void controlResized(ControlEvent e) {
       
   272 				Activator.getDefault().getPreferenceStore().setValue(
       
   273 						DESCRIPTION_WIDTH_CONFIGURATION,
       
   274 						descriptionColumn.getWidth());
       
   275 			}
       
   276 
       
   277 		});
       
   278 		createColumnSorter(tableWidget, descriptionColumn,
       
   279 				DESCRIPTION_COLUM_INDEX);
       
   280 	}
       
   281 
       
   282 	/**
       
   283 	 * Creates the category column
       
   284 	 * 
       
   285 	 * @param tableWidget
       
   286 	 *            the table widget
       
   287 	 */
       
   288 	private void createCategoryColumn(Table tableWidget) {
       
   289 		categoryColumn = new TableColumn(tableWidget, SWT.NONE);
       
   290 		categoryColumn.setText(CATEGORY_TITLE);
       
   291 		categoryColumn.addControlListener(new ControlListener() {
       
   292 
       
   293 			public void controlMoved(ControlEvent e) {
       
   294 			}
       
   295 
       
   296 			public void controlResized(ControlEvent e) {
       
   297 				Activator.getDefault().getPreferenceStore()
       
   298 						.setValue(CATEGORY_WIDTH_CONFIGURATION,
       
   299 								categoryColumn.getWidth());
       
   300 			}
       
   301 
       
   302 		});
       
   303 		createColumnSorter(tableWidget, categoryColumn, CATEGORY_COLUM_INDEX);
       
   304 	}
       
   305 
       
   306 	/**
       
   307 	 * Creates the sources column
       
   308 	 * 
       
   309 	 * @param tableWidget
       
   310 	 *            the table widget
       
   311 	 */
       
   312 	private void createSourceColumn(Table tableWidget) {
       
   313 		sourceColumn = new TableColumn(tableWidget, SWT.NONE);
       
   314 		sourceColumn.setText(SOURCE_TITLE);
       
   315 		sourceColumn.addControlListener(new ControlListener() {
       
   316 
       
   317 			public void controlMoved(ControlEvent e) {
       
   318 			}
       
   319 
       
   320 			public void controlResized(ControlEvent e) {
       
   321 				Activator.getDefault().getPreferenceStore().setValue(
       
   322 						SOURCE_WIDTH_CONFIGURATION, sourceColumn.getWidth());
       
   323 			}
       
   324 
       
   325 		});
       
   326 		createColumnSorter(tableWidget, sourceColumn, SOURCE_COLUM_INDEX);
       
   327 	}
       
   328 
       
   329 	/**
       
   330 	 * Creates the type column
       
   331 	 * 
       
   332 	 * @param tableWidget
       
   333 	 *            the table widget
       
   334 	 */
       
   335 	private void createTypeColumn(final Table tableWidget) {
       
   336 		typeColumn = new TableColumn(tableWidget, SWT.NONE);
       
   337 		typeColumn.setText(TYPE_TITLE);
       
   338 		typeColumn.addControlListener(new ControlListener() {
       
   339 
       
   340 			public void controlMoved(ControlEvent e) {
       
   341 			}
       
   342 
       
   343 			public void controlResized(ControlEvent e) {
       
   344 				Activator.getDefault().getPreferenceStore().setValue(
       
   345 						TYPE_WIDTH_CONFIGURATION, typeColumn.getWidth());
       
   346 			}
       
   347 
       
   348 		});
       
   349 		createColumnSorter(tableWidget, typeColumn, TYPE_COLUM_INDEX);
       
   350 	}
       
   351 
       
   352 	/**
       
   353 	 * Creates sort listener
       
   354 	 * 
       
   355 	 * @param tableWidget
       
   356 	 *            table widget
       
   357 	 * @param column
       
   358 	 *            column to create sort listener for
       
   359 	 * @param index
       
   360 	 *            column index
       
   361 	 */
       
   362 	private void createColumnSorter(final Table tableWidget,
       
   363 			final TableColumn column, final int index) {
       
   364 
       
   365 		TableColumnSorter cSorter = new TableColumnSorter(table, column) {
       
   366 
       
   367 			@Override
       
   368 			protected int doCompare(Viewer v, Object o1, Object o2) {
       
   369 				ITableLabelProvider lp = ((ITableLabelProvider) table
       
   370 						.getLabelProvider());
       
   371 				String t1 = lp.getColumnText(o1, index);
       
   372 				String t2 = lp.getColumnText(o2, index);
       
   373 				return t1.compareTo(t2);
       
   374 			}
       
   375 		};
       
   376 
       
   377 		// Set no sorter as initial state
       
   378 		cSorter.setSorter(cSorter, TableColumnSorter.NONE);
       
   379 	}
       
   380 
       
   381 	/**
       
   382 	 * Adds menu listener to popup menu
       
   383 	 */
       
   384 	private void hookContextMenu() {
       
   385 
       
   386 		// Create menumanager
       
   387 		MenuManager menuMgr = new MenuManager("#PopupMenu"); //$NON-NLS-1$
       
   388 		menuMgr.setRemoveAllWhenShown(true);
       
   389 
       
   390 		// Create the menu when event is received
       
   391 		menuMgr.addMenuListener(new IMenuListener() {
       
   392 			public void menuAboutToShow(IMenuManager manager) {
       
   393 				IStructuredSelection selection = (IStructuredSelection) table
       
   394 						.getSelection();
       
   395 				if (!selection.isEmpty()) {
       
   396 					EventListEntry entry = (EventListEntry) selection
       
   397 							.getFirstElement();
       
   398 					removeEventAction.setEntry(entry);
       
   399 					manager.add(removeAllEventsAction);
       
   400 					manager.add(removeEventAction);
       
   401 					if (entry.hasSourceActions()) {
       
   402 						manager.add(new Separator());
       
   403 						entry.addSourceActions(manager);
       
   404 					}
       
   405 					manager.add(new Separator(
       
   406 							IWorkbenchActionConstants.MB_ADDITIONS));
       
   407 				}
       
   408 			}
       
   409 		});
       
   410 
       
   411 		// Set the menu in to the table
       
   412 		Menu menu = menuMgr.createContextMenu(table.getControl());
       
   413 		table.getControl().setMenu(menu);
       
   414 		getSite().registerContextMenu(menuMgr, table);
       
   415 	}
       
   416 
       
   417 	/*
       
   418 	 * (non-Javadoc)
       
   419 	 * 
       
   420 	 * @see org.eclipse.ui.part.WorkbenchPart#setFocus()
       
   421 	 */
       
   422 	@Override
       
   423 	public void setFocus() {
       
   424 		table.getControl().setFocus();
       
   425 	}
       
   426 
       
   427 	/**
       
   428 	 * Gets the event list interface
       
   429 	 * 
       
   430 	 * @return the event list
       
   431 	 */
       
   432 	public static TraceEventList getEventList() {
       
   433 		TraceEventList list = Activator.getDefault().eventList;
       
   434 		if (list == null) {
       
   435 			list = new EventListContentProvider();
       
   436 			Activator.getDefault().eventList = list;
       
   437 		}
       
   438 		return list;
       
   439 	}
       
   440 
       
   441 	/*
       
   442 	 * (non-Javadoc)
       
   443 	 * 
       
   444 	 * @see com.nokia.trace.eventview.ContentChangeListener#contentChanged()
       
   445 	 */
       
   446 	public void contentChanged() {
       
   447 		IWorkbenchSiteProgressService progressService = (IWorkbenchSiteProgressService) getSite()
       
   448 				.getAdapter(IWorkbenchSiteProgressService.class);
       
   449 		progressService.warnOfContentChange();
       
   450 	}
       
   451 }