| /******************************************************************************* |
| * Copyright (c) 2007, 2012 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.variables; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.debug.core.model.IExpression; |
| import org.eclipse.debug.core.model.IValue; |
| import org.eclipse.debug.internal.ui.model.elements.ExpressionContentProvider; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdate; |
| import org.eclipse.jdt.debug.core.IJavaObject; |
| import org.eclipse.jdt.internal.debug.core.logicalstructures.JDIAllInstancesValue; |
| import org.eclipse.jdt.internal.debug.core.model.JDIDebugModelMessages; |
| import org.eclipse.jdt.internal.debug.core.model.JDIReferenceListValue; |
| import org.eclipse.jdt.internal.debug.core.model.JDIReferenceListVariable; |
| import org.eclipse.jdt.internal.debug.ui.display.JavaInspectExpression; |
| import org.eclipse.osgi.util.NLS; |
| |
| /** |
| * Provides content for the result of an inspect operation that is displayed in the expressions view. |
| * |
| * @since 3.3 |
| * @see JavaVariableContentProvider |
| * @see JavaInspectExpression |
| */ |
| public class JavaExpressionContentProvider extends ExpressionContentProvider{ |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.model.elements.VariableContentProvider#getChildren(java.lang.Object, int, int, org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext, org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdate) |
| */ |
| @Override |
| protected Object[] getChildren(Object parent, int index, int length, IPresentationContext context, IViewerUpdate monitor) throws CoreException { |
| Object[] variables = getAllChildren(parent, context); |
| if (JavaVariableContentProvider.displayReferencesAsChild(parent)){ |
| IValue value = ((IExpression)parent).getValue(); |
| if (!(value instanceof JDIAllInstancesValue) && !(value instanceof JDIReferenceListValue)) { |
| Object[] moreVariables = new Object[variables.length+1]; |
| System.arraycopy(variables, 0, moreVariables, 1, variables.length); |
| moreVariables[0] = new JDIReferenceListVariable(NLS.bind(JDIDebugModelMessages.JDIReferenceListValue_6, new String[]{value.getReferenceTypeName() + " " + value.getValueString()}),(IJavaObject)value); //$NON-NLS-1$ |
| return getElements(moreVariables, index, length); |
| } |
| } |
| return getElements(variables, index, length); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.model.elements.VariableContentProvider#getChildCount(java.lang.Object, org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext, org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdate) |
| */ |
| @Override |
| protected int getChildCount(Object element, IPresentationContext context, IViewerUpdate monitor) throws CoreException { |
| int count = super.getChildCount(element, context, monitor); |
| if (JavaVariableContentProvider.displayReferencesAsChild(element)){ |
| IValue value = ((IExpression)element).getValue(); |
| if (!(value instanceof JDIAllInstancesValue) && !(value instanceof JDIReferenceListValue)) { |
| count++; |
| } |
| } |
| return count; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.model.elements.ExpressionContentProvider#hasChildren(java.lang.Object, org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext, org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdate) |
| */ |
| @Override |
| protected boolean hasChildren(Object element, IPresentationContext context, IViewerUpdate monitor) throws CoreException { |
| if (JavaVariableContentProvider.displayReferencesAsChild(element)){ |
| return true; |
| } |
| return super.hasChildren(element, context, monitor); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.model.elements.ExpressionContentProvider#getAllChildren(java.lang.Object, org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext) |
| */ |
| @Override |
| protected Object[] getAllChildren(Object parent, IPresentationContext context) throws CoreException { |
| Object[] children = super.getAllChildren(parent, context); |
| return JavaContentProviderFilter.filterVariables(children, context); |
| } |
| } |