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/*******************************************************************************
* Copyright (c) 2000, 2013 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Sebastian Davids: sdavids@gmx.de bug 37333, 26653
* Johan Walles: walles@mailblocks.com bug 68737
* Andrew Eisenberg: andrew@eisenberg.as bug 411794
*******************************************************************************/
package org.eclipse.jdt.internal.junit.ui;
import org.eclipse.swt.SWT;
import org.eclipse.swt.dnd.Clipboard;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IMenuListener;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.action.ToolBarManager;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.util.IOpenEventListener;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.OpenStrategy;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.jdt.internal.junit.JUnitPreferencesConstants;
import org.eclipse.jdt.internal.junit.model.TestElement;
/**
* A pane that shows a stack trace of a failed test.
*/
public class FailureTrace implements IMenuListener {
/**
* Internal property change listener for handling workbench font changes.
*/
private class FontPropertyChangeListener implements IPropertyChangeListener {
/*
* @see IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent)
*/
public void propertyChange(PropertyChangeEvent event) {
if (fTable == null)
return;
String property= event.getProperty();
if (FAILURE_FONT.equals(property))
fTable.setFont(JFaceResources.getFont(FAILURE_FONT));
}
}
private static final int MAX_LABEL_LENGTH = 256;
private static final String FAILURE_FONT = "org.eclipse.jdt.junit.failurePaneFont"; //$NON-NLS-1$
static final String FRAME_PREFIX= "at "; //$NON-NLS-1$
private Table fTable;
private TestRunnerViewPart fTestRunner;
private String fInputTrace;
private final Clipboard fClipboard;
private TestElement fFailure;
private CompareResultsAction fCompareAction;
private final FailureTableDisplay fFailureTableDisplay;
private IPropertyChangeListener fFontPropertyChangeListener;
public FailureTrace(Composite parent, Clipboard clipboard, TestRunnerViewPart testRunner, ToolBar toolBar) {
Assert.isNotNull(clipboard);
// fill the failure trace viewer toolbar
ToolBarManager failureToolBarmanager= new ToolBarManager(toolBar);
failureToolBarmanager.add(new EnableStackFilterAction(this));
fCompareAction = new CompareResultsAction(this);
fCompareAction.setEnabled(false);
failureToolBarmanager.add(fCompareAction);
failureToolBarmanager.update(true);
fTable= new Table(parent, SWT.SINGLE | SWT.V_SCROLL | SWT.H_SCROLL);
fTable.setFont(JFaceResources.getFont(FAILURE_FONT));
fTestRunner= testRunner;
fClipboard= clipboard;
OpenStrategy handler = new OpenStrategy(fTable);
handler.addOpenListener(new IOpenEventListener() {
public void handleOpen(SelectionEvent e) {
if (fTable.getSelectionIndex() == 0 && fFailure.isComparisonFailure()) {
fCompareAction.run();
}
if (fTable.getSelection().length != 0) {
Action a = createOpenEditorAction(getSelectedText());
if (a != null)
a.run();
}
}
});
fFontPropertyChangeListener = new FontPropertyChangeListener();
JFaceResources.getFontRegistry().addListener(fFontPropertyChangeListener);
initMenu();
fFailureTableDisplay = new FailureTableDisplay(fTable);
}
private void initMenu() {
MenuManager menuMgr= new MenuManager();
menuMgr.setRemoveAllWhenShown(true);
menuMgr.addMenuListener(this);
Menu menu= menuMgr.createContextMenu(fTable);
fTable.setMenu(menu);
}
public void menuAboutToShow(IMenuManager manager) {
if (fTable.getSelectionCount() > 0) {
Action a= createOpenEditorAction(getSelectedText());
if (a != null)
manager.add(a);
manager.add(new JUnitCopyAction(FailureTrace.this, fClipboard));
}
// fix for bug 68058
if (fFailure != null && fFailure.isComparisonFailure())
manager.add(fCompareAction);
}
public String getTrace() {
return fInputTrace;
}
private String getSelectedText() {
return fTable.getSelection()[0].getText();
}
private Action createOpenEditorAction(String traceLine) {
try {
String testName= traceLine;
testName= testName.substring(testName.indexOf(FRAME_PREFIX));
testName= testName.substring(FRAME_PREFIX.length(), testName.lastIndexOf('(')).trim();
testName= testName.substring(0, testName.lastIndexOf('.'));
int innerSeparatorIndex= testName.indexOf('$');
if (innerSeparatorIndex != -1)
testName= testName.substring(0, innerSeparatorIndex);
String lineNumber= traceLine;
lineNumber= lineNumber.substring(lineNumber.indexOf(':') + 1, lineNumber.lastIndexOf(')'));
int line= Integer.valueOf(lineNumber).intValue();
return new OpenEditorAtLineAction(fTestRunner, testName, line);
} catch(NumberFormatException e) {
}
catch(IndexOutOfBoundsException e) {
}
return null;
}
/**
* Returns the composite used to present the trace
* @return The composite
*/
Composite getComposite(){
return fTable;
}
/**
* Refresh the table from the trace.
*/
public void refresh() {
updateTable(fInputTrace);
}
/**
* Shows a TestFailure
* @param test the failed test
*/
public void showFailure(TestElement test) {
fFailure= test;
String trace= ""; //$NON-NLS-1$
updateEnablement(test);
if (test != null)
trace= test.getTrace();
if (fInputTrace == trace)
return;
fInputTrace= trace;
updateTable(trace);
}
public void updateEnablement(TestElement test) {
boolean enableCompare= test != null && test.isComparisonFailure();
fCompareAction.setEnabled(enableCompare);
if (enableCompare) {
fCompareAction.updateOpenDialog(test);
}
}
private void updateTable(String trace) {
if(trace == null || trace.trim().equals("")) { //$NON-NLS-1$
clear();
return;
}
trace= trace.trim();
fTable.setRedraw(false);
fTable.removeAll();
new TextualTrace(trace, getFilterPatterns()).display(
fFailureTableDisplay, MAX_LABEL_LENGTH);
fTable.setRedraw(true);
}
private String[] getFilterPatterns() {
if (JUnitPreferencesConstants.getFilterStack())
return JUnitPreferencesConstants.getFilterPatterns();
return new String[0];
}
/**
* Shows other information than a stack trace.
* @param text the informational message to be shown
*/
public void setInformation(String text) {
clear();
TableItem tableItem= fFailureTableDisplay.newTableItem();
tableItem.setText(text);
}
/**
* Clears the non-stack trace info
*/
public void clear() {
fTable.removeAll();
fInputTrace= null;
}
public TestElement getFailedTest() {
return fFailure;
}
public Shell getShell() {
return fTable.getShell();
}
public FailureTableDisplay getFailureTableDisplay() {
return fFailureTableDisplay;
}
public void dispose() {
JFaceResources.getFontRegistry().removeListener(fFontPropertyChangeListener);
}
}
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