/
WeightedTreeView.java
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/
WeightedTreeView.java
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/*******************************************************************************
* Copyright (c) 2019 École Polytechnique de Montréal
*
* 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
*******************************************************************************/
package org.eclipse.tracecompass.internal.analysis.callstack.ui.weightedtree;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.jdt.annotation.Nullable;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.SashForm;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.tracecompass.common.core.NonNullUtils;
import org.eclipse.tracecompass.internal.analysis.callstack.core.tree.IWeightedTreeProvider;
import org.eclipse.tracecompass.internal.analysis.callstack.core.tree.WeightedTree;
import org.eclipse.tracecompass.tmf.core.analysis.IAnalysisModule;
import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
import org.eclipse.tracecompass.tmf.core.trace.TmfTraceManager;
import org.eclipse.tracecompass.tmf.core.trace.TmfTraceUtils;
import org.eclipse.tracecompass.tmf.ui.viewers.tree.AbstractTmfTreeViewer;
import org.eclipse.tracecompass.tmf.ui.views.TmfView;
/**
* Base view that shows a weighted tree
*
* @author Geneviève Bastien
*/
public class WeightedTreeView extends TmfView {
/**
* The ID of this view
*/
public static final String ID = "org.eclipse.tracecompass.analysis.callstack.ui.weightedtree"; //$NON-NLS-1$
private @Nullable AbstractTmfTreeViewer fWeightedTreeViewer = null;
private @Nullable WeightedTreePieChartViewer fPieChartViewer = null;
private @Nullable String fAnalysisId = null;
private @Nullable SashForm fSash = null;
/**
* Constructor
*/
public WeightedTreeView() {
super("WeightedTreeView"); //$NON-NLS-1$
}
@Override
public void createPartControl(@Nullable Composite parent) {
super.createPartControl(parent);
String analysisId = NonNullUtils.nullToEmptyString(getViewSite().getSecondaryId());
fAnalysisId = analysisId;
fSash = new SashForm(parent, SWT.HORIZONTAL);
// Build the tree viewer
AbstractTmfTreeViewer weightedTreeViewer = new WeightedTreeViewer(fSash, this);
ITmfTrace trace = TmfTraceManager.getInstance().getActiveTrace();
if (trace != null) {
weightedTreeViewer.loadTrace(trace);
}
fWeightedTreeViewer = weightedTreeViewer;
// Build the pie chart viewer
WeightedTreePieChartViewer pieChartViewer = new WeightedTreePieChartViewer(fSash, this);
if (trace != null) {
pieChartViewer.loadTrace(trace);
}
fPieChartViewer = pieChartViewer;
}
@SuppressWarnings("unchecked")
Set<IWeightedTreeProvider<?, ?, WeightedTree<?>>> getWeightedTrees(ITmfTrace trace) {
String analysisId = fAnalysisId;
if (analysisId == null) {
return Collections.emptySet();
}
@SuppressWarnings("rawtypes")
Iterable<IWeightedTreeProvider> callgraphModules = TmfTraceUtils.getAnalysisModulesOfClass(trace, IWeightedTreeProvider.class);
Set<IWeightedTreeProvider<?, ?, WeightedTree<?>>> set = new HashSet<>();
for (IWeightedTreeProvider<?, ?, WeightedTree<?>> treeProvider : callgraphModules) {
if (treeProvider instanceof IAnalysisModule) {
if (((IAnalysisModule) treeProvider).getId().equals(analysisId)) {
set.add(treeProvider);
}
}
}
return set;
}
@Override
public void setFocus() {
AbstractTmfTreeViewer treeViewer = fWeightedTreeViewer;
if (treeViewer != null) {
treeViewer.getControl().setFocus();
}
}
@Override
public void dispose() {
super.dispose();
AbstractTmfTreeViewer treeViewer = fWeightedTreeViewer;
if (treeViewer != null) {
treeViewer.dispose();
}
WeightedTreePieChartViewer pieChartViewer = fPieChartViewer;
if (pieChartViewer != null) {
pieChartViewer.dispose();
}
}
/**
* Dispatches the selection to the viewers
*
* @param trees
* The selected trees
* @param treeProvider
* The tree provider for the selected trees
*/
public void elementSelected(Set<WeightedTree<?>> trees, IWeightedTreeProvider<?, ?, WeightedTree<?>> treeProvider) {
WeightedTreePieChartViewer pieChartViewer = fPieChartViewer;
if (pieChartViewer != null) {
pieChartViewer.elementSelected(trees, treeProvider);
}
}
}