Mercurial > hg > truffle
annotate visualizer/Util/src/com/sun/hotspot/igv/util/RangeSliderModel.java @ 9020:627dc359e918
Use correct method to access constant pool
author | Christian Wimmer <christian.wimmer@oracle.com> |
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date | Thu, 11 Apr 2013 15:39:55 -0700 |
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1 /* |
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2 * Copyright (c) 1998, 2008, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 package com.sun.hotspot.igv.util; |
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26 |
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27 import com.sun.hotspot.igv.data.ChangedEvent; |
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28 import com.sun.hotspot.igv.data.ChangedEventProvider; |
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29 import java.awt.Color; |
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30 import java.util.ArrayList; |
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31 import java.util.Collections; |
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32 import java.util.List; |
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33 |
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34 /** |
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35 * |
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36 * @author Thomas Wuerthinger |
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37 */ |
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38 public class RangeSliderModel implements ChangedEventProvider<RangeSliderModel> { |
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39 |
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40 // Warning: Update setData method if fields are added |
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41 private ChangedEvent<RangeSliderModel> changedEvent; |
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42 private List<String> positions; |
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43 private int firstPosition; |
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44 private int secondPosition; |
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45 private List<Color> colors; |
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46 |
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47 public void setData(RangeSliderModel model) { |
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48 boolean changed = false; |
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49 changed |= (positions != model.positions); |
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50 positions = model.positions; |
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51 changed |= (firstPosition != model.firstPosition); |
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52 firstPosition = model.firstPosition; |
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53 changed |= (secondPosition != model.secondPosition); |
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54 secondPosition = model.secondPosition; |
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55 changed |= (colors != model.colors); |
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56 colors = model.colors; |
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57 if (changed) { |
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58 changedEvent.fire(); |
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59 } |
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60 } |
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61 |
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62 public RangeSliderModel(List<String> positions) { |
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63 assert positions.size() > 0; |
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64 this.changedEvent = new ChangedEvent<>(this); |
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65 setPositions(positions); |
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66 } |
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67 |
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68 protected final void setPositions(List<String> positions) { |
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69 this.positions = positions; |
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70 colors = new ArrayList<>(); |
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71 for (int i = 0; i < positions.size(); i++) { |
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72 colors.add(Color.black); |
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73 } |
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74 firstPosition = Math.min(firstPosition, positions.size() - 1); |
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75 secondPosition = Math.min(secondPosition, positions.size() - 1); |
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76 changedEvent.fire(); |
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77 } |
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78 |
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79 public void setColors(List<Color> colors) { |
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80 this.colors = colors; |
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81 changedEvent.fire(); |
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82 } |
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83 |
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84 public List<Color> getColors() { |
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85 return colors; |
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86 } |
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87 |
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88 public RangeSliderModel copy() { |
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89 RangeSliderModel newModel = new RangeSliderModel(positions); |
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90 newModel.setData(this); |
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91 return newModel; |
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92 } |
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93 |
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94 public List<String> getPositions() { |
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95 return Collections.unmodifiableList(positions); |
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96 } |
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97 |
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98 public int getFirstPosition() { |
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99 return firstPosition; |
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100 } |
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101 |
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102 public int getSecondPosition() { |
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103 return secondPosition; |
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104 } |
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105 |
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106 public void setPositions(int fp, int sp) { |
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107 assert fp >= 0 && fp < positions.size(); |
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108 assert sp >= 0 && sp < positions.size(); |
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109 firstPosition = fp; |
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110 secondPosition = sp; |
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111 ensureOrder(); |
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112 changedEvent.fire(); |
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113 } |
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114 |
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115 private void ensureOrder() { |
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116 if (secondPosition < firstPosition) { |
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117 int tmp = secondPosition; |
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118 secondPosition = firstPosition; |
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119 firstPosition = tmp; |
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120 } |
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121 } |
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122 |
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123 @Override |
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124 public ChangedEvent<RangeSliderModel> getChangedEvent() { |
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125 return changedEvent; |
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126 } |
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127 } |