| /******************************************************************************* |
| * Copyright (c) 2012, 2016 Ericsson |
| * |
| * All rights reserved. This program and the accompanying materials are |
| * made available under the terms of the Eclipse Public License 2.0 which |
| * accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Mathieu Denis <mathieu.denis@polymtl.ca> - Initial API and implementation |
| * Alexandre Montplaisir - Port to ITmfStatistics provider |
| * Patrick Tasse - Support selection range |
| * Bernd Hufmann - Fix range selection updates |
| *******************************************************************************/ |
| |
| package org.eclipse.tracecompass.internal.tmf.ui.viewers.statistics; |
| |
| import java.io.OutputStream; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| |
| import org.eclipse.core.runtime.jobs.Job; |
| import org.eclipse.jdt.annotation.Nullable; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.jface.viewers.TreeViewerColumn; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.viewers.ViewerComparator; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.SashForm; |
| import org.eclipse.swt.events.SelectionAdapter; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.graphics.Color; |
| import org.eclipse.swt.graphics.Cursor; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Tree; |
| import org.eclipse.tracecompass.internal.tmf.ui.commands.ExportToTsvUtils; |
| import org.eclipse.tracecompass.internal.tmf.ui.viewers.piecharts.TmfPieChartViewer; |
| import org.eclipse.tracecompass.internal.tmf.ui.viewers.piecharts.model.TmfPieChartStatisticsModel; |
| import org.eclipse.tracecompass.internal.tmf.ui.viewers.statistics.model.TmfBaseColumnData; |
| import org.eclipse.tracecompass.internal.tmf.ui.viewers.statistics.model.TmfBaseColumnDataProvider; |
| import org.eclipse.tracecompass.internal.tmf.ui.viewers.statistics.model.TmfStatisticsFormatter; |
| import org.eclipse.tracecompass.internal.tmf.ui.viewers.statistics.model.TmfStatisticsTree; |
| import org.eclipse.tracecompass.internal.tmf.ui.viewers.statistics.model.TmfStatisticsTreeManager; |
| import org.eclipse.tracecompass.internal.tmf.ui.viewers.statistics.model.TmfStatisticsTreeNode; |
| import org.eclipse.tracecompass.internal.tmf.ui.viewers.statistics.model.TmfTreeContentProvider; |
| import org.eclipse.tracecompass.tmf.core.component.TmfComponent; |
| import org.eclipse.tracecompass.tmf.core.request.ITmfEventRequest; |
| import org.eclipse.tracecompass.tmf.core.signal.TmfSelectionRangeUpdatedSignal; |
| import org.eclipse.tracecompass.tmf.core.signal.TmfSignalHandler; |
| import org.eclipse.tracecompass.tmf.core.signal.TmfTraceRangeUpdatedSignal; |
| import org.eclipse.tracecompass.tmf.core.statistics.TmfStatisticsModule; |
| import org.eclipse.tracecompass.tmf.core.timestamp.ITmfTimestamp; |
| import org.eclipse.tracecompass.tmf.core.timestamp.TmfTimeRange; |
| import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace; |
| import org.eclipse.tracecompass.tmf.core.trace.TmfTraceContext; |
| import org.eclipse.tracecompass.tmf.core.trace.TmfTraceManager; |
| import org.eclipse.tracecompass.tmf.core.trace.TmfTraceUtils; |
| import org.eclipse.tracecompass.tmf.core.trace.experiment.TmfExperiment; |
| import org.eclipse.tracecompass.tmf.ui.TmfUiRefreshHandler; |
| import org.eclipse.tracecompass.tmf.ui.viewers.TmfViewer; |
| |
| /** |
| * A basic viewer to display statistics in the statistics view. |
| * |
| * It is linked to a single ITmfTrace until its disposal. |
| * |
| * @author Mathieu Denis |
| */ |
| public class TmfStatisticsViewer extends TmfViewer { |
| |
| /** The actual tree viewer to display */ |
| private TreeViewer fTreeViewer; |
| |
| /** Update range synchronization object */ |
| private final Object fStatisticsRangeUpdateSyncObj = new Object(); |
| |
| /** The statistics tree linked to this viewer */ |
| private TmfStatisticsTree fStatisticsData; |
| |
| /** The trace that is displayed by this viewer */ |
| private ITmfTrace fTrace; |
| |
| /** Indicates to process all events */ |
| private boolean fProcessAll; |
| |
| /** View instance counter (for multiple statistics views) */ |
| private static int fCountInstance = 0; |
| |
| /** Number of this instance. Used as an instance ID. */ |
| private int fInstanceNb; |
| |
| /** Object to store the cursor while waiting for the trace to load */ |
| private Cursor fWaitCursor = null; |
| |
| /** |
| * Counts the number of times waitCursor() has been called. It avoids |
| * removing the waiting cursor, since there may be multiple requests running |
| * at the same time. |
| */ |
| private int fWaitCursorCount = 0; |
| |
| /** Tells to send a time range request when the trace gets updated. */ |
| private boolean fSendRangeRequest = true; |
| |
| private final Map<ITmfTrace, Job> fUpdateJobsPartial = new HashMap<>(); |
| private final Map<ITmfTrace, Job> fUpdateJobsGlobal = new HashMap<>(); |
| |
| private TmfPieChartViewer fPieChartViewer; |
| |
| private SashForm fSash; |
| |
| private TmfPieChartStatisticsModel fPieChartModel; |
| |
| /** |
| * Create a basic statistics viewer. To be used in conjunction with |
| * {@link TmfStatisticsViewer#init(Composite, String, ITmfTrace)} |
| * |
| * @param parent |
| * The parent composite that will hold the viewer |
| * @param viewerName |
| * The name that will be assigned to this viewer |
| * @param trace |
| * The trace that is displayed by this viewer |
| * @see TmfComponent |
| */ |
| public TmfStatisticsViewer(Composite parent, String viewerName, ITmfTrace trace) { |
| init(parent, viewerName, trace); |
| } |
| |
| /** |
| * Initialize the statistics viewer. |
| * |
| * @param parent |
| * The parent component of the viewer. |
| * @param viewerName |
| * The name to give to the viewer. |
| * @param trace |
| * The trace that will be displayed by the viewer. |
| */ |
| public void init(Composite parent, String viewerName, ITmfTrace trace) { |
| super.init(parent, viewerName); |
| // Increment a counter to make sure the tree ID is unique. |
| fCountInstance++; |
| fInstanceNb = fCountInstance; |
| fTrace = trace; |
| |
| // The viewer will process all events if he is assigned to an experiment |
| fProcessAll = (trace instanceof TmfExperiment); |
| |
| initContent(parent); |
| initInput(); |
| |
| fSash.addDisposeListener( e -> internalDispose()); |
| } |
| |
| @Override |
| public void dispose() { |
| fSash.dispose(); |
| } |
| |
| private void internalDispose() { |
| super.dispose(); |
| if (fWaitCursor != null) { |
| fWaitCursor.dispose(); |
| } |
| |
| for (Job j : fUpdateJobsGlobal.values()) { |
| j.cancel(); |
| } |
| |
| for (Job j : fUpdateJobsPartial.values()) { |
| j.cancel(); |
| } |
| |
| // Clean the model for this viewer |
| TmfStatisticsTreeManager.removeStatTreeRoot(getTreeID()); |
| fPieChartViewer.reinitializeCharts(); |
| } |
| |
| // ------------------------------------------------------------------------ |
| // Signal handlers |
| // ------------------------------------------------------------------------ |
| |
| /** |
| * Handles the signal about new trace range. |
| * |
| * @param signal |
| * The trace range updated signal |
| */ |
| @TmfSignalHandler |
| public void traceRangeUpdated(TmfTraceRangeUpdatedSignal signal) { |
| ITmfTrace trace = signal.getTrace(); |
| // validate |
| if (!isListeningTo(trace)) { |
| return; |
| } |
| |
| synchronized (fStatisticsRangeUpdateSyncObj) { |
| // Sends the time range request only once from this method. |
| if (fSendRangeRequest) { |
| fSendRangeRequest = false; |
| |
| TmfTraceContext ctx = TmfTraceManager.getInstance().getCurrentTraceContext(); |
| TmfTimeRange timeRange = ctx.getSelectionRange(); |
| requestTimeRangeData(trace, timeRange); |
| } |
| } |
| requestData(trace, signal.getRange()); |
| } |
| |
| /** |
| * Handles the time synch updated signal. It updates the time range |
| * statistics. |
| * |
| * @param signal |
| * Contains the information about the new selected time range. |
| * @since 1.0 |
| */ |
| @TmfSignalHandler |
| public void timeSynchUpdated(TmfSelectionRangeUpdatedSignal signal) { |
| if (fTrace == null) { |
| return; |
| } |
| ITmfTimestamp begin = signal.getBeginTime(); |
| ITmfTimestamp end = signal.getEndTime(); |
| TmfTimeRange timeRange; |
| if (begin.compareTo(end) <= 0) { |
| timeRange = new TmfTimeRange(begin, end); |
| } else { |
| timeRange = new TmfTimeRange(end, begin); |
| } |
| requestTimeRangeData(fTrace, timeRange); |
| } |
| |
| // ------------------------------------------------------------------------ |
| // Class methods |
| // ------------------------------------------------------------------------ |
| |
| /* |
| * Returns the primary control associated with this viewer. |
| * |
| * @return the SWT control which displays this viewer's content |
| */ |
| @Override |
| public Control getControl() { |
| return fSash; |
| } |
| |
| /** |
| * Get the input of the viewer. |
| * |
| * @return an object representing the input of the statistics viewer. |
| */ |
| public Object getInput() { |
| return fTreeViewer.getInput(); |
| } |
| |
| /** |
| * This method can be overridden to implement another way of representing |
| * the statistics data and to retrieve the information for display. |
| * |
| * @return a TmfStatisticsData object. |
| */ |
| public TmfStatisticsTree getStatisticData() { |
| if (fStatisticsData == null) { |
| fStatisticsData = new TmfStatisticsTree(); |
| } |
| return fStatisticsData; |
| } |
| |
| /** |
| * @return the model of the piecharts in this viewer |
| * @since 2.0 |
| */ |
| public TmfPieChartStatisticsModel getPieChartModel() { |
| if (fPieChartModel == null) { |
| fPieChartModel = new TmfPieChartStatisticsModel(); |
| } |
| return fPieChartModel; |
| } |
| |
| /** |
| * Returns a unique ID based on name to be associated with the statistics |
| * tree for this viewer. For a same name, it will always return the same ID. |
| * |
| * @return a unique statistics tree ID. |
| */ |
| public String getTreeID() { |
| return getName() + fInstanceNb; |
| } |
| |
| @Override |
| public void refresh() { |
| final Control viewerControl = getControl(); |
| // Ignore update if disposed |
| if (viewerControl.isDisposed()) { |
| return; |
| } |
| refreshTree(); |
| refreshPieCharts(true, true); |
| } |
| |
| /** |
| * Only refreshes the Tree viewer |
| */ |
| private void refreshTree() { |
| final Control viewerControl = getControl(); |
| // Ignore update if disposed |
| if (viewerControl.isDisposed()) { |
| return; |
| } |
| TmfUiRefreshHandler.getInstance().queueUpdate(fTreeViewer, () -> { |
| if (!viewerControl.isDisposed()) { |
| fTreeViewer.refresh(); |
| } |
| }); |
| } |
| |
| /** |
| * Only refreshes the piecharts depending on the parameters |
| * |
| * @param refreshGlobal |
| * if we have to refresh the global piechart |
| * @param refreshSelection |
| * if we have to refresh the selection piechart |
| * @since 2.0 |
| */ |
| protected void refreshPieCharts(final boolean refreshGlobal, final boolean refreshSelection) { |
| final Control viewerControl = getControl(); |
| // Ignore update if disposed |
| if (viewerControl.isDisposed()) { |
| return; |
| } |
| |
| TmfPieChartStatisticsModel pieChartModel = getPieChartModel(); |
| if (pieChartModel == null || pieChartModel.getPieChartGlobalModel() == null) { |
| return; |
| } |
| /* If there's only one event type, don't show any piechart */ |
| boolean moreThanOne = false; |
| for (Entry<ITmfTrace, Map<String, Long>> entry : pieChartModel.getPieChartGlobalModel().entrySet()) { |
| if(entry.getValue() != null && entry.getValue().size() > 1) { |
| moreThanOne = true; |
| break; |
| } |
| } |
| |
| setPieChartsVisible(moreThanOne); |
| |
| TmfUiRefreshHandler.getInstance().queueUpdate(fPieChartViewer, () -> { |
| if (!viewerControl.isDisposed()) { |
| fPieChartViewer.refresh(refreshGlobal, refreshSelection); |
| } |
| }); |
| } |
| |
| /** |
| * Will force a request on the partial event count if one is needed. |
| */ |
| public void sendPartialRequestOnNextUpdate() { |
| synchronized (fStatisticsRangeUpdateSyncObj) { |
| fSendRangeRequest = true; |
| } |
| } |
| |
| /** |
| * Focus on the statistics tree of the viewer |
| */ |
| public void setFocus() { |
| fTreeViewer.getTree().setFocus(); |
| } |
| |
| /** |
| * Cancels the request if it is not already completed |
| * |
| * @param request |
| * The request to be canceled |
| */ |
| protected void cancelOngoingRequest(ITmfEventRequest request) { |
| if (request != null && !request.isCompleted()) { |
| request.cancel(); |
| } |
| } |
| |
| /** |
| * This method can be overridden to change the representation of the data in |
| * the columns. |
| * |
| * @return An object of type {@link TmfBaseColumnDataProvider}. |
| */ |
| protected TmfBaseColumnDataProvider getColumnDataProvider() { |
| return new TmfBaseColumnDataProvider(); |
| } |
| |
| /** |
| * Initialize the content that will be drawn in this viewer |
| * |
| * @param parent |
| * The parent of the control to create |
| */ |
| protected void initContent(Composite parent) { |
| |
| final List<TmfBaseColumnData> columnDataList = getColumnDataProvider().getColumnData(); |
| |
| fSash = new SashForm(parent, SWT.HORIZONTAL); |
| |
| fTreeViewer = new TreeViewer(fSash, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL); |
| fPieChartViewer = new TmfPieChartViewer(fSash); |
| fPieChartViewer.addEventTypeSelectionListener(event -> { |
| String eventTypeName = event.text; |
| if (getStatisticData().getRootNode() == null || |
| fTreeViewer.getTree() == null) { |
| return; |
| } |
| /* Get all the nodes corresponding to the event name */ |
| List<TmfStatisticsTreeNode> nodes = (List<TmfStatisticsTreeNode>) getStatisticData().getRootNode().findChildren(eventTypeName, true); |
| if (nodes.isEmpty()) { |
| /* Shouldn't happen, except for when selecting "Others" */ |
| return; |
| } |
| /* Only select the first in the collection */ |
| fTreeViewer.setSelection(new StructuredSelection(nodes.get(0)), true); |
| }); |
| |
| /* Make sure the sash is split in 2 equal parts */ |
| fSash.setWeights(new int[] { 100, 100 }); |
| |
| fTreeViewer.setContentProvider(new TmfTreeContentProvider()); |
| fTreeViewer.getTree().setHeaderVisible(true); |
| fTreeViewer.setUseHashlookup(true); |
| |
| // Creates the columns defined by the column data provider |
| for (final TmfBaseColumnData columnData : columnDataList) { |
| final TreeViewerColumn treeColumn = new TreeViewerColumn(fTreeViewer, columnData.getAlignment()); |
| treeColumn.getColumn().setText(columnData.getHeader()); |
| treeColumn.getColumn().setWidth(columnData.getWidth()); |
| treeColumn.getColumn().setToolTipText(columnData.getTooltip()); |
| |
| // If is dummy column |
| if (columnData == columnDataList.get(TmfBaseColumnDataProvider.StatsColumn.DUMMY.getIndex())) { |
| treeColumn.getColumn().setResizable(false); |
| } |
| |
| // A comparator is defined. |
| if (columnData.getComparator() != null) { |
| // Adds a listener on the columns header for sorting purpose. |
| treeColumn.getColumn().addSelectionListener(new SelectionAdapter() { |
| |
| private ViewerComparator reverseComparator; |
| |
| @Override |
| public void widgetSelected(SelectionEvent e) { |
| // Initializes the reverse comparator once. |
| if (reverseComparator == null) { |
| reverseComparator = new ViewerComparator() { |
| @Override |
| public int compare(Viewer viewer, Object e1, Object e2) { |
| return -1 * columnData.getComparator().compare(viewer, e1, e2); |
| } |
| }; |
| } |
| |
| if (fTreeViewer.getTree().getSortDirection() == SWT.UP |
| || fTreeViewer.getTree().getSortColumn() != treeColumn.getColumn()) { |
| /* |
| * Puts the descendant order if the old order was up |
| * or if the selected column has changed. |
| */ |
| fTreeViewer.setComparator(columnData.getComparator()); |
| fTreeViewer.getTree().setSortDirection(SWT.DOWN); |
| } else { |
| /* |
| * Puts the ascendant ordering if the selected |
| * column hasn't changed. |
| */ |
| fTreeViewer.setComparator(reverseComparator); |
| fTreeViewer.getTree().setSortDirection(SWT.UP); |
| } |
| fTreeViewer.getTree().setSortColumn(treeColumn.getColumn()); |
| } |
| }); |
| } |
| treeColumn.setLabelProvider(columnData.getLabelProvider()); |
| } |
| |
| // Handler that will draw the percentages and the bar charts. |
| fTreeViewer.getTree().addListener(SWT.EraseItem, event -> { |
| if (columnDataList.get(event.index).getPercentageProvider() != null) { |
| |
| TmfStatisticsTreeNode node = (TmfStatisticsTreeNode) event.item.getData(); |
| |
| // If node is hidden, exit immediately. |
| if (TmfBaseColumnDataProvider.HIDDEN_FOLDER_LEVELS.contains(node.getName())) { |
| return; |
| } |
| |
| // Otherwise, get percentage and draw bar and text if |
| // applicable. |
| double percentage = columnDataList.get(event.index).getPercentageProvider().getPercentage(node); |
| |
| // The item is selected. |
| if ((event.detail & SWT.SELECTED) > 0) { |
| // Draws our own background to avoid overwriting the |
| // bar. |
| event.gc.fillRectangle(event.x, event.y, event.width, event.height); |
| event.detail &= ~SWT.SELECTED; |
| } |
| |
| // Drawing the percentage text |
| // if events are present in top node |
| // and the current node is not the top node |
| // and if is total or partial events column. |
| // If not, exit the method. |
| if (!((event.index == TmfBaseColumnDataProvider.StatsColumn.TOTAL.getIndex() || event.index == TmfBaseColumnDataProvider.StatsColumn.PARTIAL.getIndex()) |
| && node != node.getTop())) { |
| return; |
| } |
| |
| long eventValue = event.index == TmfBaseColumnDataProvider.StatsColumn.TOTAL.getIndex() ? |
| node.getTop().getValues().getTotal() : node.getTop().getValues().getPartial(); |
| |
| if (eventValue != 0) { |
| |
| int oldAlpha = event.gc.getAlpha(); |
| Color oldForeground = event.gc.getForeground(); |
| Color oldBackground = event.gc.getBackground(); |
| |
| // Bar to draw |
| if (percentage != 0) { |
| /* |
| * Draws a transparent gradient rectangle from the |
| * color of foreground and background. |
| */ |
| int barWidth = (int) ((fTreeViewer.getTree().getColumn(event.index).getWidth() - 8) * percentage); |
| event.gc.setAlpha(64); |
| event.gc.setForeground(event.item.getDisplay().getSystemColor(SWT.COLOR_BLUE)); |
| event.gc.setBackground(event.item.getDisplay().getSystemColor(SWT.COLOR_LIST_BACKGROUND)); |
| event.gc.fillGradientRectangle(event.x, event.y, barWidth, event.height, true); |
| event.gc.drawRectangle(event.x, event.y, barWidth, event.height); |
| |
| // Restore old values |
| event.gc.setBackground(oldBackground); |
| event.gc.setAlpha(oldAlpha); |
| event.detail &= ~SWT.BACKGROUND; |
| |
| } |
| |
| String percentageText = TmfStatisticsFormatter.toPercentageText(percentage); |
| String absoluteNumberText = TmfStatisticsFormatter.toColumnData(node, TmfBaseColumnDataProvider.StatsColumn.getColumn(event.index)); |
| |
| if (event.width > event.gc.stringExtent(percentageText).x + event.gc.stringExtent(absoluteNumberText).x) { |
| int textHeight = event.gc.stringExtent(percentageText).y; |
| event.gc.setForeground(event.item.getDisplay().getSystemColor(SWT.COLOR_DARK_GRAY)); |
| event.gc.drawText(percentageText, event.x, event.y + (event.height - textHeight) / 2, true); |
| } |
| |
| // Restores old values |
| event.gc.setForeground(oldForeground); |
| |
| } |
| } |
| }); |
| |
| // Initializes the comparator parameters |
| fTreeViewer.setComparator(columnDataList.get(0).getComparator()); |
| fTreeViewer.getTree().setSortColumn(fTreeViewer.getTree().getColumn(0)); |
| fTreeViewer.getTree().setSortDirection(SWT.DOWN); |
| } |
| |
| /** |
| * Initializes the input for the tree viewer. |
| */ |
| protected void initInput() { |
| String treeID = getTreeID(); |
| TmfStatisticsTreeNode statisticsTreeNode; |
| if (TmfStatisticsTreeManager.containsTreeRoot(treeID)) { |
| // The statistics root is already present |
| statisticsTreeNode = TmfStatisticsTreeManager.getStatTreeRoot(treeID); |
| |
| // Checks if the trace is already in the statistics tree. |
| int numNodeTraces = statisticsTreeNode.getNbChildren(); |
| |
| Collection<ITmfTrace> traces = TmfTraceManager.getTraceSet(fTrace); |
| int numTraces = traces.size(); |
| |
| if (numTraces == numNodeTraces) { |
| boolean same = true; |
| /* |
| * Checks if the experiment contains the same traces as when |
| * previously selected. |
| */ |
| for (ITmfTrace trace : traces) { |
| String traceName = trace.getName(); |
| if (!statisticsTreeNode.containsChild(traceName)) { |
| same = false; |
| break; |
| } |
| } |
| |
| if (same) { |
| // No need to reload data, all traces are already loaded |
| fTreeViewer.setInput(statisticsTreeNode); |
| return; |
| } |
| // Clears the old content to start over |
| statisticsTreeNode.reset(); |
| } |
| } else { |
| // Creates a new tree |
| statisticsTreeNode = TmfStatisticsTreeManager.addStatsTreeRoot(treeID, getStatisticData()); |
| } |
| |
| // Sets the input to a clean data model |
| fTreeViewer.setInput(statisticsTreeNode); |
| /* Set a new model for the piecharts and keep a reference */ |
| fPieChartViewer.setInput(getPieChartModel()); |
| } |
| |
| /** |
| * Tells if the viewer is listening to a trace. |
| * |
| * @param trace |
| * The trace that the viewer may be listening |
| * @return true if the viewer is listening to the trace, false otherwise |
| */ |
| protected boolean isListeningTo(ITmfTrace trace) { |
| return (fProcessAll || trace == fTrace); |
| } |
| |
| /** |
| * Called when an trace request has been completed successfully. |
| * |
| * @param global |
| * Tells if the request is a global or time range (partial) |
| * request. |
| */ |
| protected void modelComplete(boolean global) { |
| refreshTree(); |
| waitCursor(false); |
| } |
| |
| /** |
| * Sends the request to the trace for the whole trace |
| * |
| * @param trace |
| * The trace used to send the request |
| * @param timeRange |
| * The range to request to the trace |
| */ |
| protected void requestData(final ITmfTrace trace, final TmfTimeRange timeRange) { |
| buildStatisticsTree(trace, timeRange, true); |
| } |
| |
| /** |
| * Sends the time range request from the trace |
| * |
| * @param trace |
| * The trace used to send the request |
| * @param timeRange |
| * The range to request to the trace |
| */ |
| protected void requestTimeRangeData(final ITmfTrace trace, final TmfTimeRange timeRange) { |
| buildStatisticsTree(trace, timeRange, false); |
| } |
| |
| /** |
| * Requests all the data of the trace to the state system which contains |
| * information about the statistics. |
| * |
| * Since the viewer may be listening to multiple traces, it may receive an |
| * experiment rather than a single trace. The filtering is done with the |
| * method {@link #isListeningTo(String trace)}. |
| * |
| * @param trace |
| * The trace for which a request must be done |
| * @param timeRange |
| * The time range that will be requested to the state system |
| * @param isGlobal |
| * Tells if the request is for the global event count or the |
| * partial one. |
| */ |
| private void buildStatisticsTree(final ITmfTrace trace, final TmfTimeRange timeRange, final boolean isGlobal) { |
| final TmfStatisticsTree statsData = TmfStatisticsTreeManager.getStatTree(getTreeID()); |
| if (statsData == null) { |
| return; |
| } |
| |
| Map<ITmfTrace, Job> updateJobs; |
| if (isGlobal) { |
| updateJobs = fUpdateJobsGlobal; |
| } else { |
| updateJobs = fUpdateJobsPartial; |
| } |
| |
| for (ITmfTrace aTrace : TmfTraceManager.getTraceSet(trace)) { |
| if (!isListeningTo(aTrace)) { |
| continue; |
| } |
| |
| /* Retrieve the statistics object */ |
| final TmfStatisticsModule statsMod = TmfTraceUtils.getAnalysisModuleOfClass(aTrace, TmfStatisticsModule.class, TmfStatisticsModule.ID); |
| if (statsMod == null) { |
| /* No statistics module available for this trace */ |
| continue; |
| } |
| |
| updateJobs.computeIfAbsent(aTrace, k -> { |
| Job job = new StatisticsUpdateJob("Statistics update", aTrace, isGlobal, timeRange, statsMod, this); //$NON-NLS-1$ |
| job.setSystem(true); |
| job.schedule(); |
| return job; |
| }); |
| } |
| } |
| |
| private void setPieChartsVisible(final boolean visible) { |
| if (fPieChartViewer.isDisposed()) { |
| return; |
| } |
| TmfUiRefreshHandler.getInstance().queueUpdate(fPieChartViewer, () -> { |
| if (!fPieChartViewer.isDisposed()) { |
| fPieChartViewer.setVisible(visible); |
| fPieChartViewer.getParent().layout(); |
| } |
| }); |
| } |
| |
| /** |
| * Resets the number of events within the time range |
| */ |
| protected void resetTimeRangeValue() { |
| TmfStatisticsTreeNode treeModelRoot = TmfStatisticsTreeManager.getStatTreeRoot(getTreeID()); |
| if (treeModelRoot != null && treeModelRoot.hasChildren()) { |
| treeModelRoot.resetTimeRangeValue(); |
| } |
| } |
| |
| /** |
| * When the trace is loading the cursor will be different so the user knows |
| * that the processing is not finished yet. |
| * |
| * Calls to this method are stacked. |
| * |
| * @param waitRequested |
| * Indicates if we need to show the waiting cursor, or the |
| * default one. |
| */ |
| protected void waitCursor(final boolean waitRequested) { |
| if ((fTreeViewer == null) || (fTreeViewer.getTree().isDisposed())) { |
| return; |
| } |
| |
| boolean needsUpdate = false; |
| Display display = fTreeViewer.getControl().getDisplay(); |
| if (waitRequested) { |
| fWaitCursorCount++; |
| if (fWaitCursor == null) { // The cursor hasn't been initialized yet |
| fWaitCursor = new Cursor(display, SWT.CURSOR_WAIT); |
| } |
| if (fWaitCursorCount == 1) { // The cursor is not in waiting mode |
| needsUpdate = true; |
| } |
| } else { |
| if (fWaitCursorCount > 0) { // The cursor is in waiting mode |
| fWaitCursorCount--; |
| if (fWaitCursorCount == 0) { // No more reason to wait |
| // Put back the default cursor |
| needsUpdate = true; |
| } |
| } |
| } |
| |
| if (needsUpdate) { |
| // Performs the updates on the UI thread |
| display.asyncExec(() -> { |
| if ((fTreeViewer != null) |
| && (!fTreeViewer.getTree().isDisposed())) { |
| Cursor cursor = null; // indicates default |
| if (waitRequested) { |
| cursor = fWaitCursor; |
| } |
| fTreeViewer.getControl().setCursor(cursor); |
| } |
| }); |
| } |
| } |
| |
| /** |
| * @param isGlobal |
| * if the job to remove is global or partial |
| * @param jobTrace |
| * The trace |
| */ |
| void removeFromJobs(boolean isGlobal, ITmfTrace jobTrace) { |
| Map<ITmfTrace, Job> updateJobs = isGlobal ? fUpdateJobsGlobal : fUpdateJobsPartial; |
| Job job = updateJobs.remove(jobTrace); |
| if (job != null) { |
| job.cancel(); |
| } |
| } |
| |
| /** |
| * Export statistics to tsv file. |
| * |
| * @param stream |
| * the output stream |
| */ |
| public void exportToTsv(@Nullable OutputStream stream) { |
| TreeViewer statsViewer = fTreeViewer; |
| if (statsViewer == null) { |
| return; |
| } |
| Tree tree = statsViewer.getTree(); |
| ExportToTsvUtils.exportTreeToTsv(tree, stream); |
| } |
| } |