1 | /* |
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2 | * $Id: Legend.java,v 1.3 2003/09/18 21:01:14 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.beans; |
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14 | |
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15 | import gov.noaa.pmel.sgt.dm.SGTData; |
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16 | import gov.noaa.pmel.sgt.LayerChild; |
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17 | import gov.noaa.pmel.util.Rectangle2D; |
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18 | import gov.noaa.pmel.util.Point2D; |
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19 | import javax.swing.event.*; |
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20 | import java.util.*; |
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21 | import java.io.*; |
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22 | import java.beans.*; |
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23 | import java.awt.Color; |
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24 | import java.awt.Font; |
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25 | /** |
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26 | * Encapsulates reference to <code>SGTData</code> and key. |
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27 | * |
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28 | * @author Donald Denbo |
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29 | * @version $Revision: 1.3 $, $Date: 2003/09/18 21:01:14 $ |
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30 | * @since 3.0 |
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31 | **/ |
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32 | public class Legend implements Serializable { |
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33 | transient private ChangeEvent changeEvent_ = new ChangeEvent(this); |
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34 | transient private PanelHolder pHolder_ = null; |
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35 | // properties for all keys. |
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36 | private String id = ""; |
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37 | private Rectangle2D.Double boundsP = new Rectangle2D.Double(0.0, 0.0, 0.0, 0.0); |
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38 | private boolean visible = true; |
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39 | private boolean instantiated = false; |
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40 | // VectorKey, LineKey, PointCollectionKey specific properties |
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41 | private double lineLength = 0.3; |
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42 | private int columns = 1; |
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43 | // ColorKey specific properties |
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44 | private Color scaleColor = Color.black; //advanced |
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45 | private double scaleLabelHeightP = 0.2; |
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46 | private int scaleNumberSmallTics = 0; // advanced |
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47 | private int scaleLabelInterval = 2; |
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48 | private Font scaleLabelFont = new Font("Helvetica", Font.PLAIN, 10); //advanced |
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49 | private double scaleLargeTicHeightP = 0.1; //advanced |
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50 | private double scaleSmallTicHeightP = 0.05; //advanced |
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51 | private boolean scaleVisible = true; //advanced |
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52 | private int scaleSignificantDigits = 2; |
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53 | private String scaleLabelFormat = ""; //advanced |
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54 | private double keyLabelHeightP = 0.16; //advanced |
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55 | // |
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56 | private int borderStyle = NO_BORDER; |
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57 | /** |
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58 | * Plain line border style. |
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59 | */ |
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60 | public static final int PLAIN_LINE = 0; |
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61 | /** |
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62 | * Raised line border style. |
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63 | */ |
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64 | public static final int RAISED = 1; |
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65 | /** |
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66 | * No border line border style. |
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67 | */ |
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68 | public static final int NO_BORDER = 2; |
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69 | |
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70 | private int type = LINE; |
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71 | /** |
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72 | * LineKey legend type |
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73 | */ |
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74 | public static final int LINE = 0; |
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75 | /** |
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76 | * ColorKey legend type |
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77 | */ |
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78 | public static final int COLOR = 1; |
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79 | /** |
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80 | * VectorKey legend type |
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81 | */ |
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82 | public static final int VECTOR = 2; |
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83 | /** |
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84 | * PointCollectionKey legend type |
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85 | */ |
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86 | public static final int POINT = 3; |
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87 | |
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88 | transient private Vector changeListeners; |
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89 | static { |
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90 | try { |
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91 | BeanInfo info = Introspector.getBeanInfo(Legend.class); |
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92 | PropertyDescriptor[] descriptors = info.getPropertyDescriptors(); |
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93 | for(int i=0; i < descriptors.length; i++) { |
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94 | PropertyDescriptor pd = descriptors[i]; |
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95 | if(pd.getName().equals("instantiated")) { |
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96 | pd.setValue("transient", Boolean.TRUE); |
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97 | } else if(pd.getName().equals("panelHolder")) { |
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98 | pd.setValue("transient", Boolean.TRUE); |
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99 | } |
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100 | } |
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101 | } catch (IntrospectionException ie) { |
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102 | ie.printStackTrace(); |
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103 | } |
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104 | } |
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105 | |
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106 | /** |
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107 | * Default constructor. Legend id and bounds set to <code>null</code>. |
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108 | */ |
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109 | public Legend() { |
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110 | this(null, null); |
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111 | } |
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112 | /** |
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113 | * Legend constructor. |
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114 | * @param id legend identifier |
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115 | * @param boundsP bounds in physical units |
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116 | */ |
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117 | public Legend(String id, Rectangle2D.Double boundsP) { |
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118 | this.id = id; |
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119 | this.boundsP = boundsP; |
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120 | } |
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121 | |
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122 | /** |
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123 | * Set legend identifier. |
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124 | * @param id identifier |
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125 | */ |
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126 | public void setId(String id) { |
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127 | String saved = this.id; |
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128 | this.id = id; |
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129 | if(saved == null || !saved.equals(this.id)) fireStateChanged(); |
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130 | } |
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131 | /** |
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132 | * Get legend identifier |
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133 | * @return ident |
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134 | */ |
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135 | public String getId() { |
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136 | return id; |
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137 | } |
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138 | |
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139 | /** |
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140 | * Set legend bounds. |
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141 | * @param boundsP bounds in physical coordinates |
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142 | */ |
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143 | public void setBoundsP(Rectangle2D.Double boundsP) { |
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144 | Rectangle2D.Double saved = this.boundsP; |
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145 | this.boundsP = boundsP; |
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146 | if(saved == null || !saved.equals(this.boundsP)) fireStateChanged(); |
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147 | } |
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148 | /** |
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149 | * Get Legend bounds. |
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150 | * @return bounds |
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151 | */ |
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152 | public Rectangle2D.Double getBoundsP() { |
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153 | return boundsP; |
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154 | } |
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155 | |
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156 | /** |
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157 | * Set the location of the TOP-LEFT corner |
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158 | * @param locationP upper left corner in physical coordinates |
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159 | */ |
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160 | public void setLocationP(Point2D.Double locationP) { |
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161 | double x = boundsP.x; |
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162 | double y = boundsP.y - boundsP.height; |
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163 | |
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164 | boundsP.x = locationP.x; |
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165 | boundsP.y = locationP.y; |
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166 | if(x != boundsP.x || y != boundsP.y) |
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167 | fireStateChanged(); |
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168 | } |
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169 | /** |
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170 | * Get the location of the upper left corner. |
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171 | * @return upper left corner |
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172 | */ |
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173 | public Point2D.Double getLocationP() { |
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174 | return new Point2D.Double(boundsP.x, boundsP.y + boundsP.height); |
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175 | } |
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176 | |
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177 | /** |
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178 | * Set legend height. |
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179 | * @param heightP height on physical coordinates |
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180 | */ |
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181 | public void setHeightP(double heightP) { |
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182 | double saved = boundsP.height; |
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183 | boundsP.height = (float)heightP; |
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184 | if(boundsP.height != saved) |
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185 | fireStateChanged(); |
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186 | } |
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187 | /** |
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188 | * Get legend height. |
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189 | * @return height |
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190 | */ |
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191 | public double getHeightP() { |
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192 | return boundsP.height; |
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193 | } |
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194 | |
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195 | /** |
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196 | * Set legend width |
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197 | * @param widthP width in physcial coordinates |
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198 | */ |
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199 | public void setWidthP(double widthP) { |
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200 | double saved = boundsP.width; |
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201 | boundsP.width = (float)widthP; |
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202 | if(boundsP.width != saved) |
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203 | fireStateChanged(); |
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204 | } |
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205 | /** |
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206 | * Get legend width |
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207 | * @return width |
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208 | */ |
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209 | public double getWidthP() { |
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210 | return boundsP.width; |
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211 | } |
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212 | |
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213 | /** |
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214 | * Remove change listener. |
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215 | * @param l change listener |
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216 | */ |
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217 | public synchronized void removeChangeListener(ChangeListener l) { |
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218 | if (changeListeners != null && changeListeners.contains(l)) { |
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219 | Vector v = (Vector) changeListeners.clone(); |
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220 | v.removeElement(l); |
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221 | changeListeners = v; |
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222 | } |
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223 | } |
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224 | /** |
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225 | * Add change listener. |
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226 | * @param l change listener |
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227 | */ |
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228 | public synchronized void addChangeListener(ChangeListener l) { |
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229 | if(Page.DEBUG) System.out.println("Legend.addChangeListener(" + l + ")"); |
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230 | Vector v = changeListeners == null ? new Vector(2) : (Vector) changeListeners.clone(); |
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231 | if (!v.contains(l)) { |
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232 | v.addElement(l); |
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233 | changeListeners = v; |
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234 | } |
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235 | } |
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236 | /** |
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237 | * Remove change listeners that implement <code>DesignListener</code>. |
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238 | */ |
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239 | public synchronized void removeDesignChangeListeners() { |
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240 | if(changeListeners != null) { |
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241 | Vector v = (Vector) changeListeners.clone(); |
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242 | Iterator iter = v.iterator(); |
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243 | while(iter.hasNext()) { |
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244 | Object obj = iter.next(); |
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245 | if(obj instanceof DesignListener) changeListeners.removeElement(obj); |
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246 | } |
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247 | } |
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248 | } |
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249 | /** |
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250 | * Remove all change listeners. |
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251 | */ |
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252 | public synchronized void removeAllChangeListeners() { |
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253 | changeListeners = null; |
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254 | } |
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255 | |
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256 | protected void fireStateChanged() { |
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257 | if (changeListeners != null) { |
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258 | Vector listeners = changeListeners; |
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259 | int count = listeners.size(); |
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260 | for (int i = 0; i < count; i++) { |
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261 | ((ChangeListener) listeners.elementAt(i)).stateChanged(changeEvent_); |
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262 | } |
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263 | } |
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264 | } |
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265 | |
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266 | /** |
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267 | * Set visibility for legend. |
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268 | * @param visible visibility state |
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269 | */ |
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270 | public void setVisible(boolean visible) { |
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271 | boolean saved = this.visible; |
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272 | this.visible = visible; |
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273 | if(saved != this.visible) fireStateChanged(); |
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274 | } |
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275 | /** |
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276 | * Test if legend visible. |
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277 | * @return true, if legend is visible |
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278 | */ |
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279 | public boolean isVisible() { |
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280 | return visible; |
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281 | } |
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282 | |
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283 | /** |
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284 | * Set legend state to instatiated. This is called internally when the |
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285 | * property Key has been instatiated. |
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286 | * @param instantiated instatiation state |
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287 | */ |
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288 | public void setInstantiated(boolean instantiated) { |
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289 | this.instantiated = instantiated; |
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290 | } |
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291 | /** |
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292 | * Test if the key instantiated. |
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293 | * @return true, if key has been instantiated |
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294 | */ |
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295 | public boolean isInstantiated() { |
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296 | return instantiated; |
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297 | } |
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298 | /** |
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299 | * Test if legend of type COLOR. |
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300 | * @return true, if legend is COLOR |
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301 | */ |
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302 | public boolean isColor() { |
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303 | return type == Legend.COLOR; |
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304 | } |
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305 | |
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306 | /** |
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307 | * Get legend type. |
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308 | * @return legend type. |
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309 | */ |
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310 | public int getType() { |
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311 | return type; |
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312 | } |
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313 | /** |
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314 | * Set legend type. Types include <code>COLOR</code>, <code>LINE</code>, |
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315 | * <code>POINT</code>, and <code>VECTOR</code>. |
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316 | * @param type legend type |
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317 | */ |
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318 | public void setType(int type) { |
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319 | this.type = type; |
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320 | } |
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321 | |
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322 | /** |
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323 | * Get legend border style. |
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324 | * @return border style |
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325 | */ |
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326 | public int getBorderStyle() { |
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327 | return borderStyle; |
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328 | } |
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329 | /** |
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330 | * Set legend border style. Border styles include: <code>PLAIN_LINE</code>, |
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331 | * <code>RAISED</code>, and <code>NO_BORDER</code>. Default = NO_BORDER. |
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332 | * @param borderStyle border style |
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333 | */ |
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334 | public void setBorderStyle(int borderStyle) { |
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335 | int saved = this.borderStyle; |
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336 | this.borderStyle = borderStyle; |
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337 | if(saved != this.borderStyle) fireStateChanged(); |
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338 | } |
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339 | |
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340 | /** |
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341 | * Get number of columns. Not used with <code>COLOR</code> legends. |
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342 | * @return number of columns |
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343 | */ |
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344 | public int getColumns() { |
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345 | return columns; |
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346 | } |
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347 | /** |
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348 | * Set number of columns. Not used with <code>COLOR</code> legends. Default = 1. |
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349 | * @param columns number of columns |
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350 | */ |
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351 | public void setColumns(int columns) { |
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352 | int saved = this.columns; |
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353 | this.columns = columns; |
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354 | if(saved != this.columns) fireStateChanged(); |
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355 | } |
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356 | |
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357 | /** |
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358 | * Get the legend line, or vector length in physical coordinages. |
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359 | * Not used with <code>COLOR</code> legends. |
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360 | * @return line or vector length |
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361 | */ |
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362 | public double getLineLength() { |
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363 | return lineLength; |
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364 | } |
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365 | /** |
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366 | * Set the legend line or vector lenght in physical units. |
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367 | * Not used with <code>COLOR</code> legends. |
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368 | * Defautl = 0.3 |
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369 | * @param lineLength line or vector length |
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370 | */ |
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371 | public void setLineLength(double lineLength) { |
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372 | double saved = this.lineLength; |
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373 | this.lineLength = lineLength; |
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374 | if(saved != this.lineLength) fireStateChanged(); |
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375 | } |
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376 | |
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377 | /** |
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378 | * Get <code>COLOR</code> legend scale color. Only used with <code>COLOR</code> |
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379 | * legends. |
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380 | * @return scale color |
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381 | */ |
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382 | public Color getScaleColor() { |
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383 | return scaleColor; |
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384 | } |
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385 | /** |
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386 | * Set <code>COLOR</code> legend scale color. Only used with <code>COLOR</code> |
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387 | * legends. Deault = black. |
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388 | * @param scaleColor scale color |
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389 | */ |
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390 | public void setScaleColor(Color scaleColor) { |
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391 | Color saved = new Color(this.scaleColor.getRed(), |
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392 | this.scaleColor.getGreen(), |
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393 | this.scaleColor.getBlue(), |
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394 | this.scaleColor.getAlpha()); |
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395 | this.scaleColor = scaleColor; |
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396 | if(!saved.equals(this.scaleColor)) fireStateChanged(); |
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397 | } |
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398 | |
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399 | /** |
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400 | * Get <code>COLOR</code> legend scale font. Only used with <code>COLOR</code> |
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401 | * legends. |
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402 | * @return scale font |
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403 | */ |
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404 | public Font getScaleLabelFont() { |
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405 | return scaleLabelFont; |
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406 | } |
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407 | /** |
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408 | * Set <code>COLOR</code> legend scale font. Only used with <code>COLOR</code> |
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409 | * legends. Deault = ("Helvetica", PLAIN, 10). |
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410 | * @param scaleLabelFont scale font |
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411 | */ |
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412 | public void setScaleLabelFont(Font scaleLabelFont) { |
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413 | Font saved = new Font(this.scaleLabelFont.getName(), |
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414 | this.scaleLabelFont.getStyle(), |
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415 | this.scaleLabelFont.getSize()); |
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416 | this.scaleLabelFont = scaleLabelFont; |
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417 | if(!saved.equals(this.scaleLabelFont)) fireStateChanged(); |
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418 | } |
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419 | |
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420 | /** |
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421 | * Get <code>COLOR</code> legend scale label height in physical coordinates. |
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422 | * Only used with <code>COLOR</code> legends. |
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423 | * @return scale label height |
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424 | */ |
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425 | public double getScaleLabelHeightP() { |
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426 | return scaleLabelHeightP; |
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427 | } |
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428 | /** |
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429 | * Set <code>COLOR</code> legend scale label heigth. Only used with <code>COLOR</code> |
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430 | * legends. Deault = 0.2. |
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431 | * @param scaleLabelHeightP scale label height |
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432 | */ |
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433 | public void setScaleLabelHeightP(double scaleLabelHeightP) { |
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434 | double saved = this.scaleLargeTicHeightP; |
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435 | this.scaleLabelHeightP = scaleLabelHeightP; |
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436 | if(saved != this.scaleLabelHeightP) fireStateChanged(); |
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437 | } |
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438 | |
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439 | /** |
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440 | * Get <code>COLOR</code> legend scale label interval. |
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441 | * Only used with <code>COLOR</code> legends. |
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442 | * @return scale label interval |
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443 | */ |
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444 | public int getScaleLabelInterval() { |
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445 | return scaleLabelInterval; |
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446 | } |
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447 | /** |
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448 | * Set <code>COLOR</code> legend scale label interval. Only used with <code>COLOR</code> |
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449 | * legends. Deault = 2. |
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450 | * @param scaleLabelInterval scale label interval |
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451 | */ |
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452 | public void setScaleLabelInterval(int scaleLabelInterval) { |
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453 | int saved = this.scaleLabelInterval; |
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454 | this.scaleLabelInterval = scaleLabelInterval; |
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455 | if(saved != this.scaleLabelInterval) fireStateChanged(); |
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456 | } |
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457 | |
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458 | /** |
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459 | * Get <code>COLOR</code> legend scale number of small tics. |
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460 | * Only used with <code>COLOR</code> legends. |
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461 | * @return scale number of small tics |
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462 | */ |
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463 | public int getScaleNumberSmallTics() { |
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464 | return scaleNumberSmallTics; |
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465 | } |
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466 | /** |
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467 | * Set <code>COLOR</code> legend scale number of small tics. Only used with <code>COLOR</code> |
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468 | * legends. Deault = 0. |
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469 | * @param scaleNumberSmallTics scale number of small tics |
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470 | */ |
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471 | public void setScaleNumberSmallTics(int scaleNumberSmallTics) { |
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472 | int saved = this.scaleNumberSmallTics; |
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473 | this.scaleNumberSmallTics = scaleNumberSmallTics; |
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474 | if(saved != this.scaleNumberSmallTics) fireStateChanged(); |
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475 | } |
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476 | |
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477 | /** |
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478 | * Get <code>COLOR</code> legend scale label format. |
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479 | * Only used with <code>COLOR</code> legends. |
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480 | * @return scale label format |
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481 | */ |
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482 | public String getScaleLabelFormat() { |
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483 | return scaleLabelFormat; |
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484 | } |
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485 | /** |
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486 | * Set <code>COLOR</code> legend scale label format. Only used with <code>COLOR</code> |
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487 | * legends. Deault = "". |
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488 | * @param scaleLabelFormat scale label format |
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489 | */ |
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490 | public void setScaleLabelFormat(String scaleLabelFormat) { |
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491 | String saved = this.scaleLabelFormat; |
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492 | this.scaleLabelFormat = scaleLabelFormat; |
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493 | if(!saved.equals(this.scaleLabelFormat)) fireStateChanged(); |
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494 | } |
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495 | |
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496 | /** |
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497 | * Get <code>COLOR</code> legend scale large tick height. |
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498 | * Only used with <code>COLOR</code> legends. |
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499 | * @return scale large tick height |
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500 | */ |
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501 | public double getScaleLargeTicHeightP() { |
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502 | return scaleLargeTicHeightP; |
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503 | } |
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504 | /** |
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505 | * Set <code>COLOR</code> legend scale large tick height in physical |
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506 | * coordinates. Only used with <code>COLOR</code> |
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507 | * legends. Deault = 0.1. |
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508 | * @param scaleLargeTicHeightP scale large tick height |
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509 | */ |
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510 | public void setScaleLargeTicHeightP(double scaleLargeTicHeightP) { |
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511 | double saved = this.scaleLargeTicHeightP; |
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512 | this.scaleLargeTicHeightP = scaleLargeTicHeightP; |
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513 | if(saved != this.scaleLargeTicHeightP) fireStateChanged(); |
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514 | } |
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515 | |
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516 | /** |
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517 | * Get <code>COLOR</code> legend scale significant digits. |
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518 | * Only used with <code>COLOR</code> legends. |
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519 | * @return scale significant digits |
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520 | */ |
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521 | public int getScaleSignificantDigits() { |
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522 | return scaleSignificantDigits; |
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523 | } |
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524 | /** |
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525 | * Set <code>COLOR</code> legend scale significant digits. Only used with <code>COLOR</code> |
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526 | * legends. Deault = 2. |
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527 | * @param scaleSignificantDigits scale significant digits |
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528 | */ |
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529 | public void setScaleSignificantDigits(int scaleSignificantDigits) { |
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530 | int saved = this.scaleSignificantDigits; |
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531 | this.scaleSignificantDigits = scaleSignificantDigits; |
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532 | if(saved != this.scaleSignificantDigits) fireStateChanged(); |
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533 | } |
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534 | |
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535 | /** |
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536 | * Get <code>COLOR</code> legend scale small tick height. |
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537 | * Only used with <code>COLOR</code> legends. |
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538 | * @return scale small tick height |
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539 | */ |
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540 | public double getScaleSmallTicHeightP() { |
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541 | return scaleSmallTicHeightP; |
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542 | } |
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543 | /** |
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544 | * Set <code>COLOR</code> legend scale small tick height in physical |
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545 | * coordinates. Only used with <code>COLOR</code> |
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546 | * legends. Deault = 0.05. |
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547 | * @param scaleSmallTicHeightP scale small tick height |
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548 | */ |
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549 | public void setScaleSmallTicHeightP(double scaleSmallTicHeightP) { |
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550 | double saved = this.scaleSmallTicHeightP; |
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551 | this.scaleSmallTicHeightP = scaleSmallTicHeightP; |
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552 | if(saved != this.scaleSmallTicHeightP) fireStateChanged(); |
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553 | } |
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554 | |
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555 | /** |
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556 | * Test if <code>COLOR</code> legend scale visible. |
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557 | * Only used with <code>COLOR</code> legends. |
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558 | * @return true, if scale visible |
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559 | */ |
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560 | public boolean isScaleVisible() { |
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561 | return scaleVisible; |
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562 | } |
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563 | /** |
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564 | * Set <code>COLOR</code> legend scale visible. Only used with <code>COLOR</code> |
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565 | * legends. Deault = true. |
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566 | * @param scaleVisible scale visible |
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567 | */ |
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568 | public void setScaleVisible(boolean scaleVisible) { |
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569 | boolean saved = this.scaleVisible; |
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570 | this.scaleVisible = scaleVisible; |
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571 | if(saved != this.scaleVisible) fireStateChanged(); |
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572 | } |
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573 | |
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574 | /** |
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575 | * Get <code>PanelHolder</code> parent. |
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576 | * @return panelholder |
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577 | */ |
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578 | public PanelHolder getPanelHolder() { |
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579 | return pHolder_; |
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580 | } |
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581 | /** |
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582 | * Set <code>PanelHolder</code> parent. |
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583 | * @param pHolder panelholder |
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584 | */ |
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585 | public void setPanelHolder(PanelHolder pHolder) { |
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586 | pHolder_ = pHolder; |
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587 | } |
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588 | |
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589 | /** |
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590 | * Get key label height. |
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591 | * @return key label height |
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592 | */ |
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593 | public double getKeyLabelHeightP() { |
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594 | return keyLabelHeightP; |
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595 | } |
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596 | /** |
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597 | * Set key label height in physical coordinates. |
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598 | * Default = 0.16. |
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599 | * @param keyLabelHeightP key label height |
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600 | */ |
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601 | public void setKeyLabelHeightP(double keyLabelHeightP) { |
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602 | double saved = this.keyLabelHeightP; |
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603 | this.keyLabelHeightP = keyLabelHeightP; |
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604 | if(saved != this.keyLabelHeightP) fireStateChanged(); |
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605 | } |
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606 | } |
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