9. Completion Contributor

提供完成的最简单方法是使用完成贡献者.

9.1.

定义完成贡献者

让我们为属性文件中的值提供自定义完成.

package com.simpleplugin;

import com.intellij.codeInsight.completion.*;
import com.intellij.codeInsight.lookup.LookupElementBuilder;
import com.intellij.patterns.PlatformPatterns;
import com.intellij.util.ProcessingContext;
import com.simpleplugin.psi.SimpleTypes;
import org.jetbrains.annotations.NotNull;

public class SimpleCompletionContributor extends CompletionContributor {
  public SimpleCompletionContributor() {
    extend(CompletionType.BASIC,
           PlatformPatterns.psiElement(SimpleTypes.VALUE).withLanguage(SimpleLanguage.INSTANCE),
           new CompletionProvider<CompletionParameters>() {
             public void addCompletions(@NotNull CompletionParameters parameters,
                                        ProcessingContext context,
                                        @NotNull CompletionResultSet resultSet) {
               resultSet.addElement(LookupElementBuilder.create("Hello"));
             }
           }
    );
  }
}

9.2.

注册完成贡献者

<completion.contributor language="Simple" implementationClass="com.simpleplugin.SimpleCompletionContributor"/>

9.3.

运行该项目

Last modified: 11 May 2019