1 | /* |
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2 | * $Id: Collection.java,v 1.8 2001/10/10 19:05:01 dwd Exp $ |
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3 | * |
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4 | * This software is provided by NOAA for full, free and open release. It is |
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5 | * understood by the recipient/user that NOAA assumes no liability for any |
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6 | * errors contained in the code. Although this software is released without |
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7 | * conditions or restrictions in its use, it is expected that appropriate |
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8 | * credit be given to its author and to the National Oceanic and Atmospheric |
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9 | * Administration should the software be included by the recipient as an |
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10 | * element in other product development. |
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11 | */ |
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12 | |
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13 | package gov.noaa.pmel.sgt.dm; |
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14 | |
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15 | import gov.noaa.pmel.sgt.SGLabel; |
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16 | import gov.noaa.pmel.util.SoTRange; |
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17 | |
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18 | import java.util.Vector; |
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19 | import java.util.Enumeration; |
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20 | import java.beans.PropertyChangeSupport; |
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21 | import java.beans.PropertyChangeListener; |
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22 | |
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23 | /** |
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24 | * <code>Collection</code> is an extension to <code>Vector</code> |
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25 | * designed to hold <code>SGTData</code> objects. These objects must |
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26 | * have consistent x and y coordinate types. Otherwise, the |
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27 | * <code>isXTime()</code>, <code>isYTime()</code>, |
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28 | * <code>getXMetaData()</code>, <code>getYMetaData()</code>, and |
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29 | * <code>get?Ranges()</code> methods will fail. |
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30 | * |
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31 | * @author Donald Denbo |
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32 | * @version $Revision: 1.8 $, $Date: 2001/10/10 19:05:01 $ |
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33 | * @since 1.0 |
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34 | * @see SGTData |
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35 | * @see SGTPoint |
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36 | * @see SGTLine |
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37 | * @see SGTGrid |
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38 | * @see SGTVector |
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39 | */ |
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40 | public class Collection extends Vector implements SGTData, Cloneable { |
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41 | private String title_; |
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42 | private SGLabel keyTitle_ = null; |
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43 | private String id_ = null; |
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44 | private PropertyChangeSupport changes_ = new PropertyChangeSupport(this); |
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45 | private SoTRange xRange_ = null; |
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46 | private SoTRange yRange_ = null; |
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47 | private int colLen_ = 0; |
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48 | |
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49 | public Collection() { |
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50 | this(""); |
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51 | } |
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52 | public Collection(String title) { |
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53 | super(); |
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54 | title_ = title; |
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55 | } |
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56 | public Collection(String title, int initialCapacity) { |
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57 | super(initialCapacity); |
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58 | title_ = title; |
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59 | } |
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60 | public Collection(String title, int initialCapacity, int increment) { |
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61 | super(initialCapacity, increment); |
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62 | title_ = title; |
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63 | } |
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64 | /** |
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65 | * Create a copy. |
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66 | * |
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67 | * @see SGTData |
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68 | */ |
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69 | public SGTData copy() { |
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70 | Collection newCollection; |
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71 | newCollection = (Collection)clone(); |
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72 | return (SGTData)newCollection; |
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73 | } |
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74 | /** |
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75 | * Get the title. |
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76 | */ |
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77 | public String getTitle() { |
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78 | return title_; |
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79 | } |
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80 | /** |
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81 | * Set the title. |
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82 | */ |
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83 | public void setTitle(String title) { |
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84 | title_ = title; |
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85 | } |
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86 | public SGLabel getKeyTitle() { |
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87 | return keyTitle_; |
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88 | } |
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89 | public void setKeyTitle(SGLabel title) { |
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90 | keyTitle_ = title; |
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91 | } |
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92 | /** |
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93 | * Get the unique identifier. The presence of the identifier |
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94 | * is optional, but if it is present it should be unique. This |
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95 | * field is used to search for the layer that contains the data. |
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96 | * |
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97 | * @return unique identifier |
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98 | * @see gov.noaa.pmel.sgt.Pane |
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99 | * @see gov.noaa.pmel.sgt.Layer |
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100 | */ |
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101 | public String getId() { |
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102 | return id_; |
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103 | } |
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104 | /** |
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105 | * Set the unique identifier. |
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106 | */ |
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107 | public void setId(String ident) { |
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108 | id_ = ident; |
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109 | } |
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110 | public boolean isXTime() { |
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111 | return ((SGTData)firstElement()).isXTime(); |
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112 | } |
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113 | public boolean isYTime() { |
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114 | return ((SGTData)firstElement()).isYTime(); |
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115 | } |
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116 | public SGTMetaData getXMetaData() { |
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117 | return ((SGTData)firstElement()).getXMetaData(); |
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118 | } |
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119 | public SGTMetaData getYMetaData() { |
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120 | return ((SGTData)firstElement()).getYMetaData(); |
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121 | } |
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122 | public SoTRange getXRange() { |
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123 | computeRange(); |
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124 | return xRange_.copy(); |
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125 | } |
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126 | public SoTRange getYRange() { |
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127 | computeRange(); |
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128 | return yRange_.copy(); |
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129 | } |
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130 | private void computeRange() { |
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131 | if(colLen_ == size()) return; |
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132 | colLen_ = size(); |
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133 | xRange_ = ((SGTData)firstElement()).getXRange(); |
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134 | yRange_ = ((SGTData)firstElement()).getYRange(); |
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135 | |
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136 | Enumeration enumeration = elements(); |
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137 | while(enumeration.hasMoreElements()) { |
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138 | SGTData data = (SGTData)enumeration.nextElement(); |
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139 | xRange_.add(data.getXRange()); |
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140 | yRange_.add(data.getYRange()); |
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141 | } |
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142 | } |
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143 | public void addPropertyChangeListener(PropertyChangeListener l) { |
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144 | changes_.addPropertyChangeListener(l); |
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145 | } |
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146 | public void removePropertyChangeListener(PropertyChangeListener l) { |
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147 | changes_.removePropertyChangeListener(l); |
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148 | } |
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149 | } |
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