1 /*
2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
3 *
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * The contents of this file are subject to the terms of either the Universal Permissive License
7 * v 1.0 as shown at http://oss.oracle.com/licenses/upl
8 *
9 * or the following license:
10 *
11 * Redistribution and use in source and binary forms, with or without modification, are permitted
12 * provided that the following conditions are met:
13 *
14 * 1. Redistributions of source code must retain the above copyright notice, this list of conditions
15 * and the following disclaimer.
16 *
17 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
18 * conditions and the following disclaimer in the documentation and/or other materials provided with
19 * the distribution.
20 *
21 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to
22 * endorse or promote products derived from this software without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
26 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
27 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
30 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
31 * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33 package org.openjdk.jmc.flightrecorder.ui.pages;
34
35 import java.awt.Color;
36 import java.util.ArrayList;
37 import java.util.Arrays;
38 import java.util.List;
39
40 import org.eclipse.jface.resource.ImageDescriptor;
41 import org.eclipse.osgi.util.NLS;
42 import org.eclipse.swt.SWT;
43 import org.eclipse.swt.custom.CTabFolder;
44 import org.eclipse.swt.custom.CTabItem;
45 import org.eclipse.swt.custom.SashForm;
46 import org.eclipse.swt.events.SelectionAdapter;
47 import org.eclipse.swt.events.SelectionEvent;
48 import org.eclipse.swt.widgets.Composite;
49 import org.eclipse.ui.forms.widgets.Form;
50 import org.eclipse.ui.forms.widgets.FormToolkit;
51 import org.openjdk.jmc.common.IState;
52 import org.openjdk.jmc.common.IWritableState;
53 import org.openjdk.jmc.common.item.IItem;
54 import org.openjdk.jmc.common.item.IItemCollection;
55 import org.openjdk.jmc.common.item.IItemFilter;
56 import org.openjdk.jmc.common.item.ItemFilters;
57 import org.openjdk.jmc.common.unit.IQuantity;
58 import org.openjdk.jmc.common.unit.IRange;
59 import org.openjdk.jmc.common.unit.UnitLookup;
60 import org.openjdk.jmc.common.util.ColorToolkit;
61 import org.openjdk.jmc.flightrecorder.JfrAttributes;
62 import org.openjdk.jmc.flightrecorder.jdk.JdkAggregators;
63 import org.openjdk.jmc.flightrecorder.jdk.JdkAttributes;
64 import org.openjdk.jmc.flightrecorder.jdk.JdkFilters;
65 import org.openjdk.jmc.flightrecorder.jdk.JdkTypeIDs;
66 import org.openjdk.jmc.flightrecorder.rules.util.JfrRuleTopics;
67 import org.openjdk.jmc.flightrecorder.ui.FlightRecorderUI;
68 import org.openjdk.jmc.flightrecorder.ui.IDataPageFactory;
69 import org.openjdk.jmc.flightrecorder.ui.IDisplayablePage;
70 import org.openjdk.jmc.flightrecorder.ui.IPageContainer;
71 import org.openjdk.jmc.flightrecorder.ui.IPageDefinition;
72 import org.openjdk.jmc.flightrecorder.ui.IPageUI;
73 import org.openjdk.jmc.flightrecorder.ui.ItemCollectionToolkit;
74 import org.openjdk.jmc.flightrecorder.ui.StreamModel;
75 import org.openjdk.jmc.flightrecorder.ui.common.AbstractDataPage;
76 import org.openjdk.jmc.flightrecorder.ui.common.DataPageToolkit;
77 import org.openjdk.jmc.flightrecorder.ui.common.FilterComponent;
78 import org.openjdk.jmc.flightrecorder.ui.common.FlavorSelector;
79 import org.openjdk.jmc.flightrecorder.ui.common.FlavorSelector.FlavorSelectorState;
80 import org.openjdk.jmc.flightrecorder.ui.common.ImageConstants;
81 import org.openjdk.jmc.flightrecorder.ui.common.ItemHistogram;
82 import org.openjdk.jmc.flightrecorder.ui.common.ItemHistogram.HistogramSelection;
83 import org.openjdk.jmc.flightrecorder.ui.common.ItemHistogram.ItemHistogramBuilder;
84 import org.openjdk.jmc.flightrecorder.ui.common.ItemList;
85 import org.openjdk.jmc.flightrecorder.ui.common.ItemList.ItemListBuilder;
86 import org.openjdk.jmc.flightrecorder.ui.common.TypeLabelProvider;
87 import org.openjdk.jmc.flightrecorder.ui.messages.internal.Messages;
88 import org.openjdk.jmc.flightrecorder.ui.selection.SelectionStoreActionToolkit;
89 import org.openjdk.jmc.ui.charts.IXDataRenderer;
90 import org.openjdk.jmc.ui.charts.RendererToolkit;
91 import org.openjdk.jmc.ui.charts.XYChart;
92 import org.openjdk.jmc.ui.column.ColumnManager.SelectionState;
93 import org.openjdk.jmc.ui.column.ColumnMenusFactory;
94 import org.openjdk.jmc.ui.column.TableSettings;
95 import org.openjdk.jmc.ui.column.TableSettings.ColumnSettings;
96 import org.openjdk.jmc.ui.handlers.MCContextMenuManager;
97 import org.openjdk.jmc.ui.misc.ChartCanvas;
98 import org.openjdk.jmc.ui.misc.PersistableSashForm;
99
100 public class FileIOPage extends AbstractDataPage {
101 public static class FileIOPageFactory implements IDataPageFactory {
102
103 @Override
104 public String getName(IState state) {
105 return Messages.FileIOPage_PAGE_NAME;
106 }
107
108 @Override
109 public ImageDescriptor getImageDescriptor(IState state) {
110 return FlightRecorderUI.getDefault().getMCImageDescriptor(ImageConstants.PAGE_IO);
111 }
112
113 @Override
114 public String[] getTopics(IState state) {
115 return new String[] {JfrRuleTopics.FILE_IO_TOPIC};
116 }
117
118 @Override
119 public IDisplayablePage createPage(IPageDefinition dpd, StreamModel items, IPageContainer editor) {
120 return new FileIOPage(dpd, items, editor);
121 }
122
123 }
124
125 private static final Color WRITE_COLOR = TypeLabelProvider.getColor(JdkTypeIDs.FILE_WRITE);
126 private static final Color READ_COLOR = TypeLabelProvider.getColor(JdkTypeIDs.FILE_READ);
127 private static final Color WRITE_ALPHA_COLOR = ColorToolkit.withAlpha(WRITE_COLOR, 80);
128 private static final Color READ_ALPHA_COLOR = ColorToolkit.withAlpha(READ_COLOR, 80);
129 private static final IItemFilter TABLE_ITEMS = ItemFilters.type(JdkTypeIDs.FILE_READ, JdkTypeIDs.FILE_WRITE);
130 private static final String TOTAL_TIME = "totalTime"; //$NON-NLS-1$
131 private static final String MAX_TIME = "maxTime"; //$NON-NLS-1$
132 private static final String AVG_TIME = "avgTime"; //$NON-NLS-1$
133 private static final String STDDEV_TIME = "stddevTime"; //$NON-NLS-1$
134 private static final String READ_COUNT = "readCount"; //$NON-NLS-1$
135 private static final String WRITE_COUNT = "writeCount"; //$NON-NLS-1$
136 private static final String READ_SIZE = "readSize"; //$NON-NLS-1$
137 private static final String WRITE_SIZE = "writeSize"; //$NON-NLS-1$
138 private static final String READ_EOF = "endOfFile"; //$NON-NLS-1$
139
140 private static final ItemHistogramBuilder HISTOGRAM = new ItemHistogramBuilder();
141 private static final ItemListBuilder LIST = new ItemListBuilder();
142
143 static {
144 HISTOGRAM.addCountColumn();
145 HISTOGRAM.addColumn(TOTAL_TIME, JdkAggregators.TOTAL_IO_TIME);
146 HISTOGRAM.addColumn(MAX_TIME, JdkAggregators.MAX_IO_TIME);
147 HISTOGRAM.addColumn(AVG_TIME, JdkAggregators.AVG_IO_TIME);
148 HISTOGRAM.addColumn(STDDEV_TIME, JdkAggregators.STDDEV_IO_TIME);
149 HISTOGRAM.addColumn(READ_COUNT, JdkAggregators.FILE_READ_COUNT);
150 HISTOGRAM.addColumn(WRITE_COUNT, JdkAggregators.FILE_WRITE_COUNT);
151 HISTOGRAM.addColumn(READ_SIZE, JdkAggregators.FILE_READ_SIZE);
152 HISTOGRAM.addColumn(WRITE_SIZE, JdkAggregators.FILE_WRITE_SIZE);
153 LIST.addColumn(JdkAttributes.IO_PATH);
154 LIST.addColumn(JfrAttributes.START_TIME);
155 LIST.addColumn(JfrAttributes.END_TIME);
156 LIST.addColumn(JfrAttributes.DURATION);
157 LIST.addColumn(JdkAttributes.IO_FILE_BYTES_READ);
158 LIST.addColumn(JdkAttributes.IO_FILE_BYTES_WRITTEN);
159 LIST.addColumn(JfrAttributes.EVENT_THREAD);
160 LIST.addColumn(JdkAttributes.IO_FILE_READ_EOF);
161 }
162
163 private class IOPageUi implements IPageUI {
164 private static final String FILE_IO_TABLE = "fileIoTable"; //$NON-NLS-1$
165 private static final String FILE_IO_LIST = "fileIoList"; //$NON-NLS-1$
166 private static final String SASH_ELEMENT = "sash"; //$NON-NLS-1$
167 private static final String LIST_ELEMENT = "eventList"; //$NON-NLS-1$
168 private static final String TABLE_ELEMENT = "table"; //$NON-NLS-1$
169
170 private final ChartCanvas timelineCanvas;
171 private final ChartCanvas durationCanvas;
172 private XYChart timelineChart;
173 private IRange<IQuantity> timeRange;
174 private IItemCollection selectionItems;
175 private final ItemList itemList;
176 private final ItemHistogram table;
177 private final SashForm sash;
178 private final IPageContainer pageContainer;
179 private FilterComponent tableFilter;
180 private FilterComponent itemListFilter;
181 private FlavorSelector flavorSelector;
182
183 IOPageUi(Composite parent, FormToolkit toolkit, IPageContainer pageContainer, IState state) {
184 this.pageContainer = pageContainer;
185 Form form = DataPageToolkit.createForm(parent, toolkit, getName(), getIcon());
186 sash = new SashForm(form.getBody(), SWT.VERTICAL);
187 toolkit.adapt(sash);
188
189 addResultActions(form);
190
191 table = HISTOGRAM.buildWithoutBorder(sash, JdkAttributes.IO_PATH,
192 getTableSettings(state.getChild(TABLE_ELEMENT)));
193 MCContextMenuManager mm = MCContextMenuManager.create(table.getManager().getViewer().getControl());
194 ColumnMenusFactory.addDefaultMenus(table.getManager(), mm);
195 SelectionStoreActionToolkit.addSelectionStoreActions(pageContainer.getSelectionStore(), table,
196 Messages.FileIOPage_HISTOGRAM_SELECTION, mm);
197 table.getManager().getViewer().addSelectionChangedListener(e -> updateDetails());
198 table.getManager().getViewer()
199 .addSelectionChangedListener(e -> pageContainer.showSelection(table.getSelection().getItems()));
200 tableFilter = FilterComponent.createFilterComponent(table, FileIOPage.this.tableFilter,
201 getDataSource().getItems().apply(TABLE_ITEMS), pageContainer.getSelectionStore()::getSelections,
202 this::onTableFilterChange);
203 mm.add(tableFilter.getShowFilterAction());
204 mm.add(tableFilter.getShowSearchAction());
205
206 CTabFolder tabFolder = new CTabFolder(sash, SWT.NONE);
207 toolkit.adapt(tabFolder);
208 CTabItem t1 = new CTabItem(tabFolder, SWT.NONE);
209 t1.setToolTipText(Messages.IO_PAGE_TIMELINE_DESCRIPTION);
210 timelineCanvas = new ChartCanvas(tabFolder);
211 t1.setText(Messages.PAGES_TIMELINE);
212 t1.setControl(timelineCanvas);
213 DataPageToolkit.createChartTimestampTooltip(timelineCanvas);
214
215 CTabItem t2 = new CTabItem(tabFolder, SWT.NONE);
216 t2.setToolTipText(Messages.IO_PAGE_DURATIONS_DESCRIPTION);
217 durationCanvas = new ChartCanvas(tabFolder);
218 t2.setText(Messages.PAGES_DURATIONS);
219 t2.setControl(durationCanvas);
220 DataPageToolkit.createChartTooltip(durationCanvas);
221
222 CTabItem t3 = new CTabItem(tabFolder, SWT.NONE);
223 t3.setToolTipText(Messages.IO_PAGE_EVENT_LOG_DESCRIPTION);
224 itemList = LIST.buildWithoutBorder(tabFolder, getTableSettings(state.getChild(LIST_ELEMENT)));
225 MCContextMenuManager itemListMm = MCContextMenuManager
226 .create(itemList.getManager().getViewer().getControl());
227 ColumnMenusFactory.addDefaultMenus(itemList.getManager(), itemListMm);
228 SelectionStoreActionToolkit.addSelectionStoreActions(pageContainer.getSelectionStore(), itemList,
229 Messages.FileIOPage_LOG_SELECTION, itemListMm);
230 itemList.getManager().getViewer().addSelectionChangedListener(
231 e -> pageContainer.showSelection(ItemCollectionToolkit.build(itemList.getSelection().get())));
232 t3.setText(Messages.PAGES_EVENT_LOG);
233 itemListFilter = FilterComponent.createFilterComponent(itemList, FileIOPage.this.itemListFilter,
234 getDataSource().getItems().apply(TABLE_ITEMS), pageContainer.getSelectionStore()::getSelections,
235 this::onListFilterChange);
236 itemListMm.add(itemListFilter.getShowFilterAction());
237 itemListMm.add(itemListFilter.getShowSearchAction());
238 t3.setControl(itemListFilter.getComponent());
239
240 tableFilter.loadState(state.getChild(FILE_IO_TABLE));
241 itemListFilter.loadState(state.getChild(FILE_IO_LIST));
242
243 tabFolder.setSelection(tabFolderIndex);
244 tabFolder.addSelectionListener(new SelectionAdapter() {
245 @Override
246 public void widgetSelected(SelectionEvent e) {
247 tabFolderIndex = ((CTabFolder) e.getSource()).getSelectionIndex();
248 }
249 });
250
251 timelineChart = createTimelineChart(pageContainer);
252 hookUpTimeLineChart();
253 PersistableSashForm.loadState(sash, state.getChild(SASH_ELEMENT));
254
255 flavorSelector = FlavorSelector.itemsWithTimerange(form, TABLE_ITEMS, getDataSource().getItems(),
256 pageContainer, this::onInputSelected, this::onShowFlavor, flavorSelectorState);
257
258 table.getManager().setSelectionState(tableSelection);
259 itemList.getManager().setSelectionState(itemListSelection);
260 }
261
262 private XYChart createTimelineChart(IPageContainer pageContainer) {
263 XYChart timelineChart = new XYChart(pageContainer.getRecordingRange(), RendererToolkit.empty(), 180);
264 timelineChart.setVisibleRange(timelineRange.getStart(), timelineRange.getEnd());
265 timelineChart.addVisibleRangeListener(range -> timelineRange = range);
266 return timelineChart;
267 }
268
269 private void onTableFilterChange(IItemFilter filter) {
270 tableFilter.filterChangeHelper(filter, table, getDataSource().getItems().apply(TABLE_ITEMS));
271 itemListFilter.notifyListener();
272 FileIOPage.this.tableFilter = filter;
273 }
274
275 private void onListFilterChange(IItemFilter filter) {
276 itemListFilter.filterChangeHelper(filter, itemList, getDataSource().getItems().apply(TABLE_ITEMS));
277 FileIOPage.this.itemListFilter = filter;
278 }
279
280 @Override
281 public void saveTo(IWritableState writableState) {
282 PersistableSashForm.saveState(sash, writableState.createChild(SASH_ELEMENT));
283 table.getManager().getSettings().saveState(writableState.createChild(TABLE_ELEMENT));
284 tableFilter.saveState(writableState.createChild(FILE_IO_TABLE));
285 itemList.getManager().getSettings().saveState(writableState.createChild(LIST_ELEMENT));
286 itemListFilter.saveState(writableState.createChild(FILE_IO_LIST));
287
288 saveToLocal();
289 }
290
291 private void saveToLocal() {
292 tableSelection = table.getManager().getSelectionState();
293 itemListSelection = itemList.getManager().getSelectionState();
294 flavorSelectorState = flavorSelector.getFlavorSelectorState();
295 }
296
297 private void onShowFlavor(Boolean show) {
298 IRange<IQuantity> range = show ? timeRange : pageContainer.getRecordingRange();
299 timelineChart.setVisibleRange(range.getStart(), range.getEnd());
300 hookUpTimeLineChart();
301 }
302
303 private void hookUpTimeLineChart() {
304 DataPageToolkit.setChart(timelineCanvas, timelineChart, pageContainer::showSelection);
305 SelectionStoreActionToolkit.addSelectionStoreRangeActions(pageContainer.getSelectionStore(), timelineChart,
306 JfrAttributes.LIFETIME, Messages.FileIOPage_TIMELINE_SELECTION, timelineCanvas.getContextMenu());
307 }
308
309 private void onInputSelected(IItemCollection items, IRange<IQuantity> timeRange) {
310 this.selectionItems = items;
311 this.timeRange = timeRange;
312 updateDetails();
313 }
314
315 private void updateDetails() {
316 IItemCollection items = selectionItems != null ? selectionItems.apply(TABLE_ITEMS)
317 : getDataSource().getItems().apply(TABLE_ITEMS);
318 table.show(items);
319 HistogramSelection histogramSelection = table.getSelection();
320 IItemCollection selectedItems = histogramSelection.getRowCount() == 0 ? items
321 : histogramSelection.getItems();
322
323 String pathCount = pathCount(histogramSelection.getRowCount());
324 List<IXDataRenderer> timelineRows = new ArrayList<>();
325 List<IXDataRenderer> durationRows = new ArrayList<>();
326 IItemCollection readItems = selectedItems.apply(JdkFilters.FILE_READ);
327 if (readItems.hasItems()) {
328 timelineRows.add(DataPageToolkit.buildSizeRow(Messages.FileIOPage_ROW_FILE_READ + pathCount,
329 JdkAggregators.FILE_READ_SIZE.getDescription(), readItems, JdkAggregators.FILE_READ_SIZE,
330 READ_COLOR, FileIOPage::getColor));
331 durationRows.add(DataPageToolkit.buildDurationHistogram(Messages.FileIOPage_ROW_FILE_READ + pathCount,
332 JdkAggregators.FILE_READ_COUNT.getDescription(), readItems, JdkAggregators.FILE_READ_COUNT,
333 READ_COLOR));
334 }
335 IItemCollection writeItems = selectedItems.apply(JdkFilters.FILE_WRITE);
336 if (writeItems.hasItems()) {
337 timelineRows.add(DataPageToolkit.buildSizeRow(Messages.FileIOPage_ROW_FILE_WRITE + pathCount,
338 JdkAggregators.FILE_WRITE_SIZE.getDescription(), writeItems, JdkAggregators.FILE_WRITE_SIZE,
339 WRITE_COLOR, FileIOPage::getColor));
340 durationRows.add(DataPageToolkit.buildDurationHistogram(Messages.FileIOPage_ROW_FILE_WRITE + pathCount,
341 JdkAggregators.FILE_WRITE_COUNT.getDescription(), writeItems, JdkAggregators.FILE_WRITE_COUNT,
342 WRITE_COLOR));
343 }
344 // ItemRow[] pathRows = selection.getSelectedRows(FileIOPage::buildPathLane).toArray(ItemRow[]::new);
345
346 timelineCanvas.replaceRenderer(RendererToolkit.uniformRows(timelineRows));
347
348 IXDataRenderer durationRoot = RendererToolkit.uniformRows(durationRows);
349 // FIXME: X-auto-range should be done properly
350 IQuantity max = selectedItems.getAggregate(JdkAggregators.LONGEST_EVENT);
351 // FIXME: Workaround to make max value included
352 max = max == null ? UnitLookup.MILLISECOND.quantity(20) : max.add(UnitLookup.MILLISECOND.quantity(20));
353 XYChart durationChart = new XYChart(UnitLookup.MILLISECOND.quantity(0), max, durationRoot, 180);
354 DataPageToolkit.setChart(durationCanvas, durationChart, JfrAttributes.DURATION,
355 selection -> pageContainer.showSelection(selection));
356 durationChart.setVisibleRange(durationRange.getStart(), durationRange.getEnd());
357 durationChart.addVisibleRangeListener(range -> durationRange = range);
358 durationCanvas.setChart(durationChart);
359 SelectionStoreActionToolkit.addSelectionStoreActions(pageContainer.getSelectionStore(), durationChart,
360 JfrAttributes.DURATION, Messages.FileIOPage_DURATION_SELECTION, durationCanvas.getContextMenu());
361 itemList.show(selectedItems);
362 }
363 }
364
365 private static TableSettings getTableSettings(IState state) {
366 if (state == null) {
367 return new TableSettings(TOTAL_TIME, Arrays.asList(
368 new ColumnSettings(ItemHistogram.KEY_COL_ID, false, 500, null),
369 new ColumnSettings(TOTAL_TIME, true, 120, false), new ColumnSettings(MAX_TIME, false, 120, false),
370 new ColumnSettings(AVG_TIME, false, 120, false), new ColumnSettings(STDDEV_TIME, false, 120, false),
371 new ColumnSettings(READ_COUNT, false, 120, false),
372 new ColumnSettings(WRITE_COUNT, false, 120, false),
373 new ColumnSettings(READ_SIZE, false, 120, false), new ColumnSettings(WRITE_SIZE, false, 120, false),
374 new ColumnSettings(READ_EOF, false, 80, false)));
375 } else {
376 return new TableSettings(state);
377 }
378 }
379
380 @Override
381 public IPageUI display(Composite parent, FormToolkit toolkit, IPageContainer pageContainer, IState state) {
382 return new IOPageUi(parent, toolkit, pageContainer, state);
383 }
384
385 private SelectionState tableSelection;
386 private SelectionState itemListSelection;
387 private IItemFilter tableFilter = null;
388 private IItemFilter itemListFilter = null;
389 private int tabFolderIndex = 0;
390 private IRange<IQuantity> timelineRange;
391 private IRange<IQuantity> durationRange;
392 public FlavorSelectorState flavorSelectorState;
393
394 public FileIOPage(IPageDefinition dpd, StreamModel items, IPageContainer editor) {
395 super(dpd, items, editor);
396 timelineRange = editor.getRecordingRange();
397 durationRange = editor.getRecordingRange();
398 }
399
400 // private static ItemRow buildPathLane(Object path, Supplier<Stream<ItemStream>> pathItems) {
401 // String pathName = String.valueOf(path);
402 // pathName = pathName.length() > 26 ? pathName.substring(0, 23) + "..." : pathName; //$NON-NLS-1$
403 // return new ItemRow(pathName, buildSpanRenderer(pathItems), pathItems);
404 // }
405
406 private static Color getColor(IItem item) {
407 return JdkTypeIDs.FILE_READ.equals(item.getType().getIdentifier()) ? READ_ALPHA_COLOR : WRITE_ALPHA_COLOR;
408 }
409
410 @Override
411 public IItemFilter getDefaultSelectionFilter() {
412 return TABLE_ITEMS;
413 }
414
415 private static String pathCount(int count) {
416 switch (count) {
417 case 0:
418 return ""; //$NON-NLS-1$
419 case 1:
420 return " (" + Messages.FileIOPage_SELECTED_PATH + ")"; //$NON-NLS-1$ //$NON-NLS-2$
421 default:
422 return " (" + NLS.bind(Messages.FileIOPage_SELECTED_PATHS, count) + ")"; //$NON-NLS-1$ //$NON-NLS-2$
423 }
424 }
425 }