1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.tagging.presets;
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3 |
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4 | import java.util.ArrayList;
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5 | import java.util.Collection;
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6 | import java.util.Collections;
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7 | import java.util.HashMap;
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8 | import java.util.HashSet;
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9 | import java.util.Map;
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10 | import java.util.Set;
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11 |
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12 | import javax.swing.JMenu;
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13 | import javax.swing.JMenuItem;
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14 | import javax.swing.JSeparator;
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15 |
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16 | import org.openstreetmap.josm.Main;
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17 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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18 | import org.openstreetmap.josm.gui.MenuScroller;
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19 | import org.openstreetmap.josm.gui.tagging.presets.items.CheckGroup;
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20 | import org.openstreetmap.josm.gui.tagging.presets.items.KeyedItem;
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21 | import org.openstreetmap.josm.gui.tagging.presets.items.Roles;
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22 | import org.openstreetmap.josm.gui.tagging.presets.items.Roles.Role;
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23 | import org.openstreetmap.josm.tools.MultiMap;
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24 | import org.openstreetmap.josm.tools.SubclassFilteredCollection;
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25 |
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26 | /**
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27 | * Class holding Tagging Presets and allowing to manage them.
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28 | * @since 7100
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29 | */
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30 | public final class TaggingPresets {
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31 |
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32 | /** The collection of tagging presets */
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33 | private static final Collection<TaggingPreset> TAGGING_PRESETS = new ArrayList<>();
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34 |
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35 | /** cache for key/value pairs found in the preset */
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36 | private static final MultiMap<String, String> PRESET_TAG_CACHE = new MultiMap<>();
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37 | /** cache for roles found in the preset */
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38 | private static final Set<String> PRESET_ROLE_CACHE = new HashSet<>();
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39 |
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40 | /** The collection of listeners */
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41 | private static final Collection<TaggingPresetListener> LISTENERS = new ArrayList<>();
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42 |
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43 | private TaggingPresets() {
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44 | // Hide constructor for utility classes
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45 | }
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46 |
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47 | /**
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48 | * Initializes tagging presets from preferences.
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49 | */
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50 | public static void readFromPreferences() {
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51 | TAGGING_PRESETS.clear();
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52 | TAGGING_PRESETS.addAll(TaggingPresetReader.readFromPreferences(false, false));
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53 | cachePresets(TAGGING_PRESETS);
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54 | }
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55 |
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56 | /**
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57 | * Initialize the tagging presets (load and may display error)
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58 | */
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59 | public static void initialize() {
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60 | readFromPreferences();
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61 | for (TaggingPreset tp: TAGGING_PRESETS) {
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62 | if (!(tp instanceof TaggingPresetSeparator)) {
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63 | Main.toolbar.register(tp);
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64 | }
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65 | }
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66 | if (TAGGING_PRESETS.isEmpty()) {
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67 | Main.main.menu.presetsMenu.setVisible(false);
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68 | } else {
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69 | Map<TaggingPresetMenu, JMenu> submenus = new HashMap<>();
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70 | for (final TaggingPreset p : TAGGING_PRESETS) {
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71 | JMenu m = p.group != null ? submenus.get(p.group) : Main.main.menu.presetsMenu;
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72 | if (m == null && p.group != null) {
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73 | Main.error("No tagging preset submenu for " + p.group);
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74 | } else if (m == null) {
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75 | Main.error("No tagging preset menu. Tagging preset " + p + " won't be available there");
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76 | } else if (p instanceof TaggingPresetSeparator) {
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77 | m.add(new JSeparator());
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78 | } else if (p instanceof TaggingPresetMenu) {
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79 | JMenu submenu = new JMenu(p);
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80 | submenu.setText(p.getLocaleName());
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81 | ((TaggingPresetMenu) p).menu = submenu;
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82 | submenus.put((TaggingPresetMenu) p, submenu);
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83 | m.add(submenu);
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84 | } else {
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85 | JMenuItem mi = new JMenuItem(p);
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86 | mi.setText(p.getLocaleName());
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87 | m.add(mi);
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88 | }
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89 | }
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90 | for (JMenu submenu : submenus.values()) {
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91 | if (submenu.getItemCount() >= Main.pref.getInteger("taggingpreset.min-elements-for-scroller", 15)) {
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92 | MenuScroller.setScrollerFor(submenu);
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93 | }
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94 | }
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95 | }
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96 | if (Main.pref.getBoolean("taggingpreset.sortmenu")) {
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97 | TaggingPresetMenu.sortMenu(Main.main.menu.presetsMenu);
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98 | }
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99 | }
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100 |
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101 | /**
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102 | * Initialize the cache for presets. This is done only once.
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103 | * @param presets Tagging presets to cache
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104 | */
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105 | public static void cachePresets(Collection<TaggingPreset> presets) {
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106 | for (final TaggingPreset p : presets) {
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107 | for (TaggingPresetItem item : p.data) {
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108 | cachePresetItem(p, item);
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109 | }
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110 | }
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111 | }
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112 |
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113 | private static void cachePresetItem(TaggingPreset p, TaggingPresetItem item) {
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114 | if (item instanceof KeyedItem) {
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115 | KeyedItem ki = (KeyedItem) item;
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116 | if (ki.key != null && ki.getValues() != null) {
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117 | PRESET_TAG_CACHE.putAll(ki.key, ki.getValues());
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118 | }
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119 | } else if (item instanceof Roles) {
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120 | Roles r = (Roles) item;
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121 | for (Role i : r.roles) {
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122 | if (i.key != null) {
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123 | PRESET_ROLE_CACHE.add(i.key);
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124 | }
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125 | }
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126 | } else if (item instanceof CheckGroup) {
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127 | for (KeyedItem check : ((CheckGroup) item).checks) {
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128 | cachePresetItem(p, check);
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129 | }
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130 | }
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131 | }
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132 |
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133 | /**
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134 | * Replies a new collection containing all tagging presets.
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135 | * @return a new collection containing all tagging presets. Empty if presets are not initialized (never null)
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136 | */
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137 | public static Collection<TaggingPreset> getTaggingPresets() {
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138 | return Collections.unmodifiableCollection(TAGGING_PRESETS);
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139 | }
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140 |
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141 | /**
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142 | * Replies a set of all roles in the tagging presets.
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143 | * @return a set of all roles in the tagging presets.
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144 | */
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145 | public static Set<String> getPresetRoles() {
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146 | return Collections.unmodifiableSet(PRESET_ROLE_CACHE);
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147 | }
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148 |
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149 | /**
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150 | * Replies a set of all keys in the tagging presets.
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151 | * @return a set of all keys in the tagging presets.
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152 | */
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153 | public static Set<String> getPresetKeys() {
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154 | return Collections.unmodifiableSet(PRESET_TAG_CACHE.keySet());
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155 | }
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156 |
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157 | /**
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158 | * Return set of values for a key in the tagging presets
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159 | * @param key the key
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160 | * @return set of values for a key in the tagging presets or null if none is found
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161 | */
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162 | public static Set<String> getPresetValues(String key) {
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163 | Set<String> values = PRESET_TAG_CACHE.get(key);
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164 | if (values != null)
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165 | return Collections.unmodifiableSet(values);
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166 | return null;
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167 | }
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168 |
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169 | /**
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170 | * Replies a new collection of all presets matching the parameters.
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171 | *
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172 | * @param t the preset types to include
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173 | * @param tags the tags to perform matching on, see {@link TaggingPresetItem#matches(Map)}
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174 | * @param onlyShowable whether only {@link TaggingPreset#isShowable() showable} presets should be returned
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175 | * @return a new collection of all presets matching the parameters.
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176 | * @see TaggingPreset#matches(Collection, Map, boolean)
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177 | * @since 9266
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178 | */
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179 | public static Collection<TaggingPreset> getMatchingPresets(final Collection<TaggingPresetType> t,
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180 | final Map<String, String> tags, final boolean onlyShowable) {
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181 | return SubclassFilteredCollection.filter(getTaggingPresets(), preset -> preset.matches(t, tags, onlyShowable));
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182 | }
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183 |
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184 | /**
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185 | * Replies a new collection of all presets matching the given preset.
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186 | *
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187 | * @param primitive the primitive
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188 | * @return a new collection of all presets matching the given preset.
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189 | * @see TaggingPreset#test(OsmPrimitive)
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190 | * @since 9265
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191 | */
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192 | public static Collection<TaggingPreset> getMatchingPresets(final OsmPrimitive primitive) {
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193 | return SubclassFilteredCollection.filter(getTaggingPresets(), preset -> preset.test(primitive));
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194 | }
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195 |
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196 | /**
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197 | * Adds a list of tagging presets to the current list.
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198 | * @param presets The tagging presets to add
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199 | */
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200 | public static void addTaggingPresets(Collection<TaggingPreset> presets) {
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201 | if (presets != null && TAGGING_PRESETS.addAll(presets)) {
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202 | for (TaggingPresetListener listener : LISTENERS) {
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203 | listener.taggingPresetsModified();
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204 | }
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205 | }
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206 | }
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207 |
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208 | /**
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209 | * Adds a tagging preset listener.
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210 | * @param listener The listener to add
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211 | */
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212 | public static void addListener(TaggingPresetListener listener) {
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213 | if (listener != null) {
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214 | LISTENERS.add(listener);
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215 | }
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216 | }
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217 |
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218 | /**
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219 | * Removes a tagging preset listener.
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220 | * @param listener The listener to remove
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221 | */
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222 | public static void removeListener(TaggingPresetListener listener) {
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223 | if (listener != null) {
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224 | LISTENERS.remove(listener);
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225 | }
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226 | }
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227 | }
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