| /******************************************************************************* |
| * Copyright (c) 2000, 2015 IBM Corporation and others. |
| * |
| * 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.debug.ui.actions; |
| |
| |
| import org.eclipse.debug.core.DebugException; |
| import org.eclipse.debug.core.model.IValue; |
| import org.eclipse.debug.ui.DebugUITools; |
| import org.eclipse.debug.ui.IDebugUIConstants; |
| import org.eclipse.debug.ui.IValueDetailListener; |
| import org.eclipse.jdt.debug.core.IJavaType; |
| import org.eclipse.jdt.debug.core.IJavaValue; |
| import org.eclipse.jdt.debug.eval.IEvaluationResult; |
| import org.eclipse.jdt.internal.debug.ui.JDIDebugUIPlugin; |
| import org.eclipse.jdt.internal.debug.ui.display.IDataDisplay; |
| import org.eclipse.jdt.internal.debug.ui.snippeteditor.JavaSnippetEditor; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.ui.IWorkbenchPart; |
| |
| /** |
| * Displays the result of an evaluation in the display view |
| */ |
| public class DisplayAction extends EvaluateAction { |
| |
| /** |
| * @see EvaluateAction#displayResult(IEvaluationResult) |
| */ |
| @Override |
| protected void displayResult(final IEvaluationResult evaluationResult) { |
| if (evaluationResult.hasErrors()) { |
| final Display display = JDIDebugUIPlugin.getStandardDisplay(); |
| display.asyncExec(new Runnable() { |
| @Override |
| public void run() { |
| if (display.isDisposed()) { |
| return; |
| } |
| reportErrors(evaluationResult); |
| evaluationCleanup(); |
| } |
| }); |
| return; |
| } |
| |
| final String snippet= evaluationResult.getSnippet(); |
| IJavaValue resultValue= evaluationResult.getValue(); |
| try { |
| String sig= null; |
| IJavaType type= resultValue.getJavaType(); |
| if (type != null) { |
| sig= type.getSignature(); |
| } |
| if ("V".equals(sig)) { //$NON-NLS-1$ |
| displayStringResult(snippet, ActionMessages.DisplayAction_no_result_value); |
| } else { |
| final String resultString; |
| if (sig != null) { |
| resultString= NLS.bind(ActionMessages.DisplayAction_type_name_pattern, new Object[] { resultValue.getReferenceTypeName() }); |
| } else { |
| resultString= ""; //$NON-NLS-1$ |
| } |
| getDebugModelPresentation().computeDetail(resultValue, new IValueDetailListener() { |
| @Override |
| public void detailComputed(IValue value, String result) { |
| displayStringResult(snippet, NLS.bind(ActionMessages.DisplayAction_result_pattern, new Object[] { resultString, trimDisplayResult(result)})); |
| } |
| }); |
| } |
| } catch (DebugException x) { |
| displayStringResult(snippet, getExceptionMessage(x)); |
| } |
| } |
| |
| protected void displayStringResult(final String snippet,final String resultString) { |
| final IDataDisplay directDisplay= getDirectDataDisplay(); |
| final Display display= JDIDebugUIPlugin.getStandardDisplay(); |
| display.asyncExec(new Runnable() { |
| @Override |
| public void run() { |
| if (!display.isDisposed()) { |
| IDataDisplay dataDisplay= getDataDisplay(); |
| if (dataDisplay != null) { |
| if (directDisplay == null) { |
| dataDisplay.displayExpression(snippet); |
| } |
| dataDisplay.displayExpressionValue(trimDisplayResult(resultString)); |
| } |
| } |
| evaluationCleanup(); |
| } |
| }); |
| } |
| |
| @Override |
| protected void run() { |
| IWorkbenchPart part= getTargetPart(); |
| if (part instanceof JavaSnippetEditor) { |
| ((JavaSnippetEditor) part).evalSelection(JavaSnippetEditor.RESULT_DISPLAY); |
| return; |
| } |
| super.run(); |
| } |
| |
| /** |
| * Trims the result based on the preference of how long the |
| * variable details should be. |
| * |
| * TODO: illegal internal reference to IInternalDebugUIConstants |
| */ |
| public static String trimDisplayResult(String result) { |
| int max = DebugUITools.getPreferenceStore().getInt(IDebugUIConstants.PREF_MAX_DETAIL_LENGTH); |
| if (max > 0 && result.length() > max) { |
| result = result.substring(0, max) + "..."; //$NON-NLS-1$ |
| } |
| return result; |
| } |
| |
| } |