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annotate visualizer/Util/src/com/sun/hotspot/igv/util/RangeSliderModel.java @ 4577:bc8b58c11768

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Added debug build of HotSpot Client to the gate.
author Doug Simon <doug.simon@oracle.com>
date Mon, 13 Feb 2012 14:01:49 +0100
parents 015fb895586b
children
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4512
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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 }