platform/platform-api/src/com/intellij/ui/TextFieldWithStoredHistory.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 package com.intellij.ui;
  17
  18 import com.intellij.ide.util.PropertiesComponent;
  19 import com.intellij.openapi.util.text.StringUtil;
  20 import org.jetbrains.annotations.NonNls;
  21
  22 import java.util.ArrayList;
  23
  24 /**
  25  * User: anna
  26  * Date: 16-Dec-2005
  27  */
  28 public class TextFieldWithStoredHistory extends TextFieldWithHistory {
  29   private final String myPropertyName;
  30
  31   // API compatibility with 7.0.1
  32   @SuppressWarnings({"UnusedDeclaration"})
  33   public TextFieldWithStoredHistory(@NonNls final String propertyName, boolean cropList) {
  34     this(propertyName);
  35   }
  36
  37   public TextFieldWithStoredHistory(@NonNls final String propertyName) {
  38     myPropertyName = propertyName;
  39     reset();
  40   }
  41
  42   public void addCurrentTextToHistory() {
  43     super.addCurrentTextToHistory();
  44     PropertiesComponent.getInstance().setValue(myPropertyName, StringUtil.join(getHistory(), "\n"));
  45   }
  46
  47   public void reset() {
  48     final PropertiesComponent propertiesComponent = PropertiesComponent.getInstance();
  49     final String history = propertiesComponent.getValue(myPropertyName);
  50     if (history != null) {
  51       final String[] items = history.split("\n");
  52       ArrayList<String> result = new ArrayList<String>();
  53       for (String item : items) {
  54         if (item != null && item.length() > 0) {
  55           result.add(item);
  56         }
  57       }
  58       setHistory(result);
  59       setSelectedItem("");
  60     }
  61   }
  62 }