platform/util/src/com/intellij/ui/OptionalChooserComponent.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.openapi.util.Pair;
  19 import org.jetbrains.annotations.NotNull;
  20
  21 import javax.swing.*;
  22 import java.util.ArrayList;
  23 import java.util.List;
  24
  25 /**
  26  * @author oleg
  27  * This component represents a list of checkboxes.
  28  */
  29 public abstract class OptionalChooserComponent implements CheckBoxListListener {
  30   private JPanel myContentPane;
  31   private CheckBoxList myList;
  32   private DefaultListModel myListModel;
  33   private List<Pair<String, Boolean>> myInitialList;
  34   private ArrayList<Pair<String, Boolean>> myWorkingList;
  35
  36   public OptionalChooserComponent(@NotNull final List<Pair<String, Boolean>> list) {
  37     myInitialList = list;
  38     myWorkingList = new ArrayList<Pair<String, Boolean>>(myInitialList);
  39
  40     // fill list
  41     reset();
  42   }
  43
  44   public JPanel getContentPane() {
  45     return myContentPane;
  46   }
  47
  48   public void checkBoxSelectionChanged(int index, boolean value) {
  49     final Pair<String, Boolean> pair = myWorkingList.remove(index);
  50     myWorkingList.add(index, Pair.create(pair.first, value));
  51   }
  52
  53   private void createUIComponents() {
  54     myListModel = new DefaultListModel();
  55     myList = new CheckBoxList(myListModel, this);
  56   }
  57
  58   public void reset() {
  59     myWorkingList = new ArrayList<Pair<String, Boolean>>(myInitialList);
  60     update();
  61   }
  62
  63   public abstract JCheckBox createCheckBox(final String path, final boolean checked);
  64
  65   public boolean isModified() {
  66     return !myWorkingList.equals(myInitialList);
  67   }
  68
  69   public ArrayList<Pair<String, Boolean>> getValue() {
  70     return myWorkingList;
  71   }
  72
  73   public void apply() {
  74     myInitialList.clear();
  75     myInitialList.addAll(myWorkingList);
  76   }
  77
  78   public void update() {
  79     myListModel.clear();
  80     for (Pair<String, Boolean> pair : myWorkingList) {
  81       myListModel.addElement(createCheckBox(pair.first, pair.second));
  82     }
  83   }
  84 }