| /******************************************************************************* |
| * Copyright (c) 2019 Nicolaj Hoess. |
| * |
| * 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: |
| * Nicolaj Hoess - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.corext.template.java; |
| |
| import java.util.List; |
| |
| import org.eclipse.jface.text.templates.SimpleTemplateVariableResolver; |
| import org.eclipse.jface.text.templates.TemplateContext; |
| import org.eclipse.jface.text.templates.TemplateVariable; |
| |
| |
| /** |
| * This class is the resolver for the variable <code>inner_expression</code>. <br/> |
| * The value of the resolved variable will be the source code of the node which resolves to the |
| * <code>inner_expression</code> The type of the resolved variable will be the fully qualified name |
| * or the name of the primitive type of the node which the content assist is invoked on. |
| */ |
| public class InnerExpressionResolver extends SimpleTemplateVariableResolver { |
| |
| public static final String INNER_EXPRESSION_VAR= "inner_expression"; //$NON-NLS-1$ |
| |
| public static final String HIDE_FLAG= "novalue"; //$NON-NLS-1$ |
| |
| public static final String[] FLAGS= { HIDE_FLAG }; |
| |
| public InnerExpressionResolver() { |
| super(INNER_EXPRESSION_VAR, ""); // TODO Add description //$NON-NLS-1$ |
| } |
| |
| @Override |
| protected String resolve(TemplateContext context) { |
| if (!(context instanceof JavaPostfixContext)) |
| return ""; //$NON-NLS-1$ |
| |
| return ((JavaPostfixContext) context).getAffectedStatement(); |
| } |
| |
| @Override |
| public void resolve(TemplateVariable variable, TemplateContext context) { |
| if (context instanceof JavaPostfixContext && variable instanceof JavaVariable) { |
| JavaPostfixContext c= (JavaPostfixContext) context; |
| JavaVariable jv= (JavaVariable) variable; |
| List<String> params= variable.getVariableType().getParams(); |
| |
| if (!params.contains(HIDE_FLAG)) { |
| jv.setValue(resolve(context)); |
| } else { |
| // TODO This is a hacky solution to hide the output of the variable for specific templates (e.g. .field). |
| jv.setValues(new String[] { "", resolve(context) }); // We hide the value from the output //$NON-NLS-1$ |
| } |
| |
| jv.setParamType(c.getInnerExpressionTypeSignature()); |
| jv.setResolved(true); |
| jv.setUnambiguous(true); |
| return; |
| } |
| super.resolve(variable, context); |
| } |
| } |