platform/lang-impl/src/com/intellij/codeInsight/completion/CompletionCharFilter.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 /*
  18  * Created by IntelliJ IDEA.
  19  * User: mike
  20  * Date: Jul 23, 2002
  21  * Time: 3:01:22 PM
  22  * To change template for new class use
  23  * Code Style | Class Templates options (Tools | IDE Options).
  24  */
  25 package com.intellij.codeInsight.completion;
  26
  27 import com.intellij.codeInsight.lookup.CharFilter;
  28 import com.intellij.codeInsight.lookup.Lookup;
  29
  30 public class CompletionCharFilter extends CharFilter {
  31
  32   public Result acceptChar(char c, final int prefixLength, final Lookup lookup) {
  33     if (!lookup.isCompletion()) return null;
  34
  35     if (Character.isJavaIdentifierPart(c)) return Result.ADD_TO_PREFIX;
  36     switch(c){
  37       case '.':
  38       case ',':
  39       case ';':
  40       case '=':
  41       case ' ':
  42       case ':':
  43       case '(':
  44         return Result.SELECT_ITEM_AND_FINISH_LOOKUP;
  45
  46       default:
  47         return Result.HIDE_LOOKUP;
  48     }
  49   }
  50
  51 }