1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.download;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.tr;
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5 |
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6 | import java.awt.Component;
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7 | import java.util.ArrayList;
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8 | import java.util.Arrays;
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9 | import java.util.Collection;
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10 | import java.util.Collections;
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11 | import java.util.LinkedList;
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12 | import java.util.List;
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13 | import java.util.Locale;
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14 | import java.util.Objects;
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15 |
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16 | import javax.swing.DefaultListModel;
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17 | import javax.swing.JLabel;
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18 | import javax.swing.JList;
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19 | import javax.swing.ListCellRenderer;
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20 | import javax.swing.UIManager;
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21 |
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22 | import org.openstreetmap.josm.Main;
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23 | import org.openstreetmap.josm.data.Bounds;
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24 | import org.openstreetmap.josm.tools.ImageProvider;
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25 |
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26 | /**
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27 | * List class that read and save its content from the bookmark file.
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28 | * @since 6340
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29 | */
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30 | public class BookmarkList extends JList<BookmarkList.Bookmark> {
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31 |
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32 | /**
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33 | * Class holding one bookmarkentry.
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34 | */
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35 | public static class Bookmark implements Comparable<Bookmark> {
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36 | private String name;
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37 | private Bounds area;
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38 |
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39 | /**
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40 | * Constructs a new {@code Bookmark} with the given contents.
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41 | * @param list Bookmark contents as a list of 5 elements.
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42 | * First item is the name, then come bounds arguments (minlat, minlon, maxlat, maxlon)
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43 | * @throws NumberFormatException if the bounds arguments are not numbers
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44 | * @throws IllegalArgumentException if list contain less than 5 elements
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45 | */
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46 | public Bookmark(Collection<String> list) {
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47 | List<String> array = new ArrayList<>(list);
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48 | if (array.size() < 5)
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49 | throw new IllegalArgumentException(tr("Wrong number of arguments for bookmark"));
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50 | name = array.get(0);
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51 | area = new Bounds(Double.parseDouble(array.get(1)), Double.parseDouble(array.get(2)),
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52 | Double.parseDouble(array.get(3)), Double.parseDouble(array.get(4)));
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53 | }
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54 |
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55 | /**
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56 | * Constructs a new empty {@code Bookmark}.
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57 | */
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58 | public Bookmark() {
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59 | area = null;
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60 | name = null;
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61 | }
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62 |
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63 | /**
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64 | * Constructs a new unamed {@code Bookmark} for the given area.
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65 | * @param area The bookmark area
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66 | */
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67 | public Bookmark(Bounds area) {
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68 | this.area = area;
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69 | }
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70 |
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71 | @Override public String toString() {
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72 | return name;
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73 | }
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74 |
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75 | @Override
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76 | public int compareTo(Bookmark b) {
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77 | return name.toLowerCase(Locale.ENGLISH).compareTo(b.name.toLowerCase(Locale.ENGLISH));
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78 | }
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79 |
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80 | @Override
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81 | public int hashCode() {
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82 | return Objects.hash(name, area);
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83 | }
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84 |
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85 | @Override
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86 | public boolean equals(Object obj) {
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87 | if (this == obj) return true;
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88 | if (obj == null || getClass() != obj.getClass()) return false;
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89 | Bookmark bookmark = (Bookmark) obj;
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90 | return Objects.equals(name, bookmark.name) &&
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91 | Objects.equals(area, bookmark.area);
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92 | }
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93 |
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94 | /**
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95 | * Returns the bookmark area
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96 | * @return The bookmark area
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97 | */
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98 | public Bounds getArea() {
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99 | return area;
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100 | }
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101 |
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102 | /**
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103 | * Returns the bookmark name
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104 | * @return The bookmark name
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105 | */
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106 | public String getName() {
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107 | return name;
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108 | }
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109 |
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110 | /**
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111 | * Sets the bookmark name
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112 | * @param name The bookmark name
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113 | */
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114 | public void setName(String name) {
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115 | this.name = name;
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116 | }
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117 |
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118 | /**
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119 | * Sets the bookmark area
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120 | * @param area The bookmark area
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121 | */
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122 | public void setArea(Bounds area) {
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123 | this.area = area;
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124 | }
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125 | }
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126 |
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127 | /**
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128 | * Creates a bookmark list as well as the Buttons add and remove.
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129 | */
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130 | public BookmarkList() {
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131 | setModel(new DefaultListModel<Bookmark>());
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132 | load();
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133 | setVisibleRowCount(7);
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134 | setCellRenderer(new BookmarkCellRenderer());
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135 | }
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136 |
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137 | /**
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138 | * Loads the bookmarks from file.
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139 | */
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140 | public final void load() {
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141 | DefaultListModel<Bookmark> model = (DefaultListModel<Bookmark>) getModel();
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142 | model.removeAllElements();
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143 | Collection<Collection<String>> args = Main.pref.getArray("bookmarks", null);
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144 | if (args != null) {
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145 | List<Bookmark> bookmarks = new LinkedList<>();
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146 | for (Collection<String> entry : args) {
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147 | try {
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148 | bookmarks.add(new Bookmark(entry));
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149 | } catch (Exception e) {
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150 | Main.error(tr("Error reading bookmark entry: %s", e.getMessage()));
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151 | }
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152 | }
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153 | Collections.sort(bookmarks);
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154 | for (Bookmark b : bookmarks) {
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155 | model.addElement(b);
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156 | }
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157 | }
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158 | }
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159 |
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160 | /**
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161 | * Saves all bookmarks to the preferences file
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162 | */
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163 | public final void save() {
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164 | List<Collection<String>> coll = new LinkedList<>();
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165 | for (Object o : ((DefaultListModel<Bookmark>) getModel()).toArray()) {
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166 | String[] array = new String[5];
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167 | Bookmark b = (Bookmark) o;
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168 | array[0] = b.getName();
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169 | Bounds area = b.getArea();
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170 | array[1] = String.valueOf(area.getMinLat());
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171 | array[2] = String.valueOf(area.getMinLon());
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172 | array[3] = String.valueOf(area.getMaxLat());
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173 | array[4] = String.valueOf(area.getMaxLon());
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174 | coll.add(Arrays.asList(array));
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175 | }
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176 | Main.pref.putArray("bookmarks", coll);
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177 | }
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178 |
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179 | static class BookmarkCellRenderer extends JLabel implements ListCellRenderer<BookmarkList.Bookmark> {
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180 |
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181 | /**
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182 | * Constructs a new {@code BookmarkCellRenderer}.
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183 | */
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184 | BookmarkCellRenderer() {
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185 | setOpaque(true);
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186 | setIcon(ImageProvider.get("dialogs", "bookmark"));
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187 | }
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188 |
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189 | protected void renderColor(boolean selected) {
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190 | if (selected) {
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191 | setBackground(UIManager.getColor("List.selectionBackground"));
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192 | setForeground(UIManager.getColor("List.selectionForeground"));
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193 | } else {
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194 | setBackground(UIManager.getColor("List.background"));
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195 | setForeground(UIManager.getColor("List.foreground"));
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196 | }
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197 | }
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198 |
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199 | protected String buildToolTipText(Bookmark b) {
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200 | Bounds area = b.getArea();
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201 | StringBuilder sb = new StringBuilder(128);
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202 | sb.append("<html>min[latitude,longitude]=<strong>[")
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203 | .append(area.getMinLat()).append(',').append(area.getMinLon()).append("]</strong>"+
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204 | "<br>max[latitude,longitude]=<strong>[")
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205 | .append(area.getMaxLat()).append(',').append(area.getMaxLon()).append("]</strong>"+
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206 | "</html>");
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207 | return sb.toString();
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208 | }
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209 |
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210 | @Override
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211 | public Component getListCellRendererComponent(JList<? extends Bookmark> list, Bookmark value, int index, boolean isSelected,
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212 | boolean cellHasFocus) {
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213 | renderColor(isSelected);
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214 | setText(value.getName());
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215 | setToolTipText(buildToolTipText(value));
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216 | return this;
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217 | }
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218 | }
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219 | }
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