svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.impl / src / main / java / org / gvsig / fmap / dal / feature / impl / DefaultFeatureReferenceSelection.java @ 46672
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1 | 40559 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40435 | jjdelcerro | *
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4 | 44976 | jjdelcerro | * Copyright (C) 2007-2020 gvSIG Association.
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5 | 40435 | jjdelcerro | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | 40559 | jjdelcerro | * as published by the Free Software Foundation; either version 3
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9 | 40435 | jjdelcerro | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | 40559 | jjdelcerro | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | 40435 | jjdelcerro | */
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24 | package org.gvsig.fmap.dal.feature.impl; |
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25 | |||
26 | import java.util.Collections; |
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27 | import java.util.HashSet; |
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28 | import java.util.Iterator; |
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29 | import java.util.Set; |
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30 | import org.gvsig.fmap.dal.DataStore; |
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31 | import org.gvsig.fmap.dal.DataStoreNotification; |
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32 | import org.gvsig.fmap.dal.exception.DataException; |
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33 | import org.gvsig.fmap.dal.feature.FeatureReference; |
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34 | import org.gvsig.fmap.dal.feature.FeatureReferenceSelection; |
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35 | import org.gvsig.fmap.dal.feature.FeatureStore; |
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36 | import org.gvsig.fmap.dal.feature.FeatureStoreNotification; |
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37 | 44435 | jjdelcerro | import org.gvsig.fmap.dal.feature.FeatureType; |
38 | 40435 | jjdelcerro | import org.gvsig.fmap.dal.feature.impl.undo.FeatureCommandsStack; |
39 | import org.gvsig.tools.ToolsLocator; |
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40 | import org.gvsig.tools.dispose.impl.AbstractDisposable; |
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41 | import org.gvsig.tools.dynobject.DynStruct; |
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42 | import org.gvsig.tools.exception.BaseException; |
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43 | import org.gvsig.tools.lang.Cloneable; |
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44 | import org.gvsig.tools.observer.Observable; |
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45 | import org.gvsig.tools.observer.Observer; |
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46 | import org.gvsig.tools.observer.impl.DelegateWeakReferencingObservable; |
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47 | import org.gvsig.tools.persistence.PersistentState; |
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48 | import org.gvsig.tools.persistence.exception.PersistenceException; |
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49 | import org.gvsig.tools.visitor.Visitor; |
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50 | 44976 | jjdelcerro | import org.slf4j.Logger; |
51 | import org.slf4j.LoggerFactory; |
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52 | 40435 | jjdelcerro | |
53 | /**
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54 | * Default implementation of a FeatureReferenceSelection, based on the usage of
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55 | * a java.util.Set to store individual selected or not selected
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56 | * FeatureReferences, depending on the usage of the {@link #reverse()} method.
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57 | *
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58 | 44976 | jjdelcerro | * @author gvSIG Team
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59 | 40435 | jjdelcerro | */
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60 | 44976 | jjdelcerro | @SuppressWarnings("UseSpecificCatch") |
61 | 40435 | jjdelcerro | public class DefaultFeatureReferenceSelection extends AbstractDisposable |
62 | 44976 | jjdelcerro | implements FeatureReferenceSelection {
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63 | 40435 | jjdelcerro | |
64 | 44976 | jjdelcerro | protected static final Logger LOGGER = LoggerFactory.getLogger(DefaultFeatureReferenceSelection.class); |
65 | 40435 | jjdelcerro | |
66 | 44976 | jjdelcerro | public static final String DYNCLASS_PERSISTENT_NAME = "DefaultFeatureReferenceSelection"; |
67 | |||
68 | 44435 | jjdelcerro | private Boolean available = null; |
69 | 44976 | jjdelcerro | |
70 | 43646 | jjdelcerro | protected SelectionData selectionData = null; |
71 | 40435 | jjdelcerro | |
72 | private FeatureStore featureStore;
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73 | |||
74 | private FeatureSelectionHelper helper;
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75 | |||
76 | 44976 | jjdelcerro | private DelegateWeakReferencingObservable delegateObservable
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77 | = new DelegateWeakReferencingObservable(this); |
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78 | 40435 | jjdelcerro | |
79 | 44976 | jjdelcerro | /**
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80 | * Creates a new Selection with the total size of Features from which the
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81 | * selection will be performed.
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82 | *
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83 | * @param featureStore the FeatureStore of the selected FeatureReferences
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84 | * @throws DataException if there is an error while getting the total number
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85 | * of Features of the Store.
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86 | */
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87 | 40435 | jjdelcerro | public DefaultFeatureReferenceSelection(DefaultFeatureStore featureStore)
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88 | throws DataException {
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89 | super();
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90 | this.featureStore = featureStore;
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91 | this.helper = new DefaultFeatureSelectionHelper(featureStore); |
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92 | } |
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93 | |||
94 | /**
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95 | * Creates a new Selection with the total size of Features from which the
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96 | * selection will be performed.
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97 | *
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98 | 44976 | jjdelcerro | * @param featureStore the FeatureStore of the selected FeatureReferences
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99 | * @param helper to get some information of the Store
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100 | * @throws DataException if there is an error while getting the total number
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101 | * of Features of the Store.
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102 | 40435 | jjdelcerro | */
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103 | public DefaultFeatureReferenceSelection(FeatureStore featureStore,
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104 | FeatureSelectionHelper helper) |
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105 | throws DataException {
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106 | super();
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107 | this.featureStore = featureStore;
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108 | this.helper = helper;
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109 | } |
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110 | |||
111 | 44976 | jjdelcerro | /**
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112 | * Constructor used by the persistence manager. Don't use directly. After to
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113 | * invoke this method, the persistence manager calls the the method
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114 | * {@link #loadFromState(PersistentState)} to set the values of the internal
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115 | * attributes that this class needs to work.
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116 | */
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117 | public DefaultFeatureReferenceSelection() {
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118 | super();
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119 | } |
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120 | 40435 | jjdelcerro | |
121 | 44976 | jjdelcerro | @Override
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122 | 40435 | jjdelcerro | public boolean select(FeatureReference reference) { |
123 | return select(reference, true); |
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124 | } |
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125 | |||
126 | /**
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127 | 44976 | jjdelcerro | * @param reference
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128 | * @param undoable if the action must be undoable
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129 | * @return
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130 | 40435 | jjdelcerro | * @see #select(FeatureReference)
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131 | */
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132 | public boolean select(FeatureReference reference, boolean undoable) { |
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133 | if (reference == null) { |
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134 | throw new IllegalArgumentException("reference"); |
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135 | } |
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136 | if (isSelected(reference)) {
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137 | return false; |
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138 | } |
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139 | if (undoable && getFeatureStore().isEditing()) {
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140 | getCommands().select(this, reference);
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141 | } |
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142 | 44976 | jjdelcerro | boolean change;
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143 | if (this.getData().isReversed()) { |
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144 | 43646 | jjdelcerro | change = this.getData().remove(reference);
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145 | 40435 | jjdelcerro | } else {
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146 | 43646 | jjdelcerro | change = this.getData().add(reference);
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147 | 40435 | jjdelcerro | } |
148 | if (change) {
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149 | notifyObservers(DataStoreNotification.SELECTION_CHANGE); |
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150 | } |
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151 | return change;
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152 | } |
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153 | |||
154 | 44976 | jjdelcerro | @Override
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155 | 40435 | jjdelcerro | public boolean deselect(FeatureReference reference) { |
156 | return deselect(reference, true); |
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157 | } |
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158 | |||
159 | /**
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160 | 44976 | jjdelcerro | * @param reference
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161 | * @param undoable if the action must be undoable
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162 | * @return
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163 | 40435 | jjdelcerro | * @see #deselect(FeatureReference)
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164 | */
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165 | public boolean deselect(FeatureReference reference, boolean undoable) { |
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166 | if (!isSelected(reference)) {
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167 | return false; |
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168 | } |
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169 | if (undoable && getFeatureStore().isEditing()) {
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170 | getCommands().deselect(this, reference);
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171 | } |
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172 | 44976 | jjdelcerro | boolean change;
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173 | 43646 | jjdelcerro | if (this.getData().isReversed()) { |
174 | change = this.getData().add(reference);
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175 | 40435 | jjdelcerro | } else {
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176 | 43646 | jjdelcerro | change = this.getData().remove(reference);
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177 | 40435 | jjdelcerro | } |
178 | if (change) {
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179 | notifyObservers(DataStoreNotification.SELECTION_CHANGE); |
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180 | } |
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181 | return change;
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182 | } |
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183 | |||
184 | 44976 | jjdelcerro | @Override
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185 | 40435 | jjdelcerro | public void selectAll() throws DataException { |
186 | selectAll(true);
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187 | } |
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188 | |||
189 | /**
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190 | * @see #selectAll()
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191 | 44976 | jjdelcerro | * @param undoable if the action must be undoable
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192 | * @throws org.gvsig.fmap.dal.exception.DataException
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193 | 40435 | jjdelcerro | */
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194 | public void selectAll(boolean undoable) throws DataException { |
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195 | if (undoable && getFeatureStore().isEditing()) {
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196 | getCommands().startComplex("_selectionSelectAll");
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197 | getCommands().selectAll(this);
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198 | } |
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199 | 43646 | jjdelcerro | if (!this.getData().isReversed()) { |
200 | this.getData().setReversed(true); |
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201 | 40435 | jjdelcerro | } |
202 | clearFeatureReferences(); |
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203 | if (undoable && getFeatureStore().isEditing()) {
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204 | getCommands().endComplex(); |
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205 | } |
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206 | notifyObservers(DataStoreNotification.SELECTION_CHANGE); |
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207 | } |
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208 | |||
209 | 44976 | jjdelcerro | @Override
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210 | 40435 | jjdelcerro | public void deselectAll() throws DataException { |
211 | deselectAll(false);
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212 | } |
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213 | |||
214 | /**
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215 | 44976 | jjdelcerro | * @param undoable if the action must be undoable
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216 | * @throws org.gvsig.fmap.dal.exception.DataException
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217 | 40435 | jjdelcerro | * @see #deselectAll()
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218 | */
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219 | public void deselectAll(boolean undoable) throws DataException { |
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220 | 44976 | jjdelcerro | if (this.selectionData == null) { |
221 | 43646 | jjdelcerro | return;
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222 | } |
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223 | 40435 | jjdelcerro | if (undoable && getFeatureStore().isEditing()) {
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224 | getCommands().startComplex("_selectionDeselectAll");
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225 | getCommands().deselectAll(this);
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226 | } |
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227 | 43646 | jjdelcerro | if (this.getData().isReversed()) { |
228 | this.getData().setReversed(false); |
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229 | 40435 | jjdelcerro | } |
230 | clearFeatureReferences(); |
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231 | if (undoable && getFeatureStore().isEditing()) {
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232 | getCommands().endComplex(); |
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233 | } |
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234 | notifyObservers(DataStoreNotification.SELECTION_CHANGE); |
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235 | } |
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236 | |||
237 | 44976 | jjdelcerro | @Override
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238 | 40435 | jjdelcerro | public boolean isSelected(FeatureReference reference) { |
239 | 44976 | jjdelcerro | if (this.selectionData == null) { |
240 | 43646 | jjdelcerro | return false; |
241 | } |
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242 | if (this.getData().isReversed()) { |
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243 | return !this.getData().contains(reference); |
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244 | 40435 | jjdelcerro | } else {
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245 | 43646 | jjdelcerro | return this.getData().contains(reference); |
246 | 40435 | jjdelcerro | } |
247 | } |
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248 | |||
249 | 44976 | jjdelcerro | @Override
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250 | 40435 | jjdelcerro | public void reverse() { |
251 | reverse(true);
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252 | } |
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253 | |||
254 | /**
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255 | * @see #reverse()
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256 | 44976 | jjdelcerro | * @param undoable if the action must be undoable
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257 | 40435 | jjdelcerro | */
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258 | public void reverse(boolean undoable) { |
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259 | if (undoable && getFeatureStore().isEditing()) {
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260 | getCommands().selectionReverse(this);
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261 | } |
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262 | 43646 | jjdelcerro | this.getData().setReversed(!this.getData().isReversed()); |
263 | 40435 | jjdelcerro | notifyObservers(DataStoreNotification.SELECTION_CHANGE); |
264 | } |
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265 | 44976 | jjdelcerro | |
266 | 43646 | jjdelcerro | public boolean isEmpty() { |
267 | 44976 | jjdelcerro | if (this.selectionData == null) { |
268 | 43646 | jjdelcerro | return true; |
269 | } |
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270 | 44976 | jjdelcerro | return this.getSelectedCount() == 0; |
271 | 43646 | jjdelcerro | } |
272 | 40435 | jjdelcerro | |
273 | 44976 | jjdelcerro | @Override
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274 | 40435 | jjdelcerro | public long getSelectedCount() { |
275 | 44976 | jjdelcerro | if (this.selectionData == null) { |
276 | 43646 | jjdelcerro | return 0; |
277 | } |
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278 | if (this.getData().isReversed()) { |
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279 | 44976 | jjdelcerro | return this.getData().getTotalSize() - this.getData().getSize() |
280 | + helper.getFeatureStoreDeltaSize(); |
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281 | 40435 | jjdelcerro | } else {
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282 | 43646 | jjdelcerro | return this.getData().getSize(); |
283 | 40435 | jjdelcerro | } |
284 | } |
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285 | |||
286 | 44976 | jjdelcerro | @Override
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287 | 46309 | jjdelcerro | public Iterator<FeatureReference> referenceIterator() { |
288 | return Collections.unmodifiableSet(this.getData().getSelected()).iterator(); |
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289 | 40435 | jjdelcerro | } |
290 | |||
291 | 44976 | jjdelcerro | @Override
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292 | 46309 | jjdelcerro | public Iterable<FeatureReference> referenceIterable() { |
293 | Set<FeatureReference> s = Collections.unmodifiableSet(this.getData().getSelected()); |
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294 | return s;
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295 | } |
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296 | |||
297 | @Override
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298 | 44976 | jjdelcerro | protected void doDispose() throws BaseException { |
299 | delegateObservable.deleteObservers(); |
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300 | deselectAll(false);
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301 | 40435 | jjdelcerro | } |
302 | |||
303 | 44976 | jjdelcerro | @Override
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304 | 40435 | jjdelcerro | public boolean isFromStore(DataStore store) { |
305 | return featureStore.equals(store);
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306 | } |
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307 | |||
308 | 44976 | jjdelcerro | @Override
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309 | 40435 | jjdelcerro | public void accept(Visitor visitor) throws BaseException { |
310 | 44976 | jjdelcerro | if (this.selectionData == null) { |
311 | 43646 | jjdelcerro | return;
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312 | 44976 | jjdelcerro | } |
313 | for (Iterator iter = this.getData().getSelected().iterator(); iter.hasNext();) { |
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314 | 40435 | jjdelcerro | visitor.visit(iter.next()); |
315 | } |
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316 | } |
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317 | |||
318 | 44976 | jjdelcerro | @Override
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319 | public void update(Observable observable, Object notification) { |
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320 | 40435 | jjdelcerro | // If a Feature is deleted, remove it from the selection Set.
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321 | if (notification instanceof FeatureStoreNotification) { |
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322 | FeatureStoreNotification storeNotif = (FeatureStoreNotification) notification; |
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323 | if (FeatureStoreNotification.AFTER_DELETE
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324 | .equalsIgnoreCase(storeNotif.getType())) { |
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325 | 43646 | jjdelcerro | this.getData().remove(storeNotif.getFeature().getReference());
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326 | 40435 | jjdelcerro | } |
327 | } |
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328 | } |
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329 | |||
330 | public SelectionData getData() {
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331 | 44976 | jjdelcerro | if (selectionData == null) { |
332 | 43646 | jjdelcerro | selectionData = new SelectionData();
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333 | try {
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334 | selectionData.setTotalSize(featureStore.getFeatureCount()); |
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335 | } catch (DataException ex) {
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336 | 44976 | jjdelcerro | throw new RuntimeException("Can't initialize SelectionData, don't get the feature count.", ex); |
337 | 43646 | jjdelcerro | } |
338 | } |
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339 | 40435 | jjdelcerro | return selectionData;
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340 | } |
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341 | |||
342 | public void setData(SelectionData selectionData) { |
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343 | this.selectionData = selectionData;
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344 | notifyObservers(DataStoreNotification.SELECTION_CHANGE); |
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345 | } |
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346 | |||
347 | 44976 | jjdelcerro | @Override
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348 | 40435 | jjdelcerro | public String toString() { |
349 | return getClass().getName() + ": " + getSelectedCount() |
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350 | + " features selected, reversed = "
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351 | 43646 | jjdelcerro | + this.getData().isReversed() + ", featureIds contained: " |
352 | + this.getData().getSelected();
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353 | 40435 | jjdelcerro | } |
354 | |||
355 | protected boolean isReversed() { |
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356 | 44976 | jjdelcerro | if (this.selectionData == null) { |
357 | 43646 | jjdelcerro | return false; |
358 | } |
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359 | return this.getData().isReversed(); |
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360 | 40435 | jjdelcerro | } |
361 | |||
362 | /**
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363 | * Removes all the stored FeatureRefence objects.
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364 | */
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365 | protected void clearFeatureReferences() { |
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366 | 44976 | jjdelcerro | if (this.selectionData == null) { |
367 | 43646 | jjdelcerro | return;
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368 | } |
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369 | this.getData().clear();
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370 | 40435 | jjdelcerro | } |
371 | |||
372 | 44976 | jjdelcerro | /**
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373 | * Returns the FeatureStore of the selected FeatureReferences.
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374 | *
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375 | * @return the featureStore
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376 | */
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377 | 40435 | jjdelcerro | protected FeatureStore getFeatureStore() {
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378 | return featureStore;
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379 | } |
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380 | |||
381 | 44976 | jjdelcerro | /**
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382 | * Returns the reference to the commands record.
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383 | *
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384 | * @return the reference to the commands record
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385 | */
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386 | 40435 | jjdelcerro | protected FeatureCommandsStack getCommands() {
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387 | return helper.getFeatureStoreCommandsStack();
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388 | } |
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389 | |||
390 | 44976 | jjdelcerro | public static class SelectionData implements Cloneable { |
391 | |||
392 | 46309 | jjdelcerro | private Set<FeatureReference> selected = new HashSet(); |
393 | 40435 | jjdelcerro | |
394 | /**
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395 | * Sets how the Set of selected values has to be dealt.
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396 | * <p>
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397 | * If selected is FALSE, then values into the Set are the selected ones,
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398 | * anything else is not selected.
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399 | * </p>
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400 | * <p>
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401 | * If selected is TRUE, then values into the Set are values not
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402 | * selected, anything else is selected.
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403 | * </p>
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404 | */
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405 | private boolean reversed = false; |
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406 | |||
407 | private long totalSize; |
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408 | |||
409 | /**
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410 | * @return the selected
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411 | */
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412 | 46309 | jjdelcerro | public Set<FeatureReference> getSelected() { |
413 | 40435 | jjdelcerro | return selected;
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414 | } |
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415 | |||
416 | /**
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417 | 44976 | jjdelcerro | * @param selected the selected to set
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418 | 40435 | jjdelcerro | */
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419 | 46309 | jjdelcerro | public void setSelected(Set<FeatureReference> selected) { |
420 | 40435 | jjdelcerro | this.selected = selected;
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421 | } |
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422 | |||
423 | /**
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424 | * @return the reversed
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425 | */
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426 | public boolean isReversed() { |
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427 | return reversed;
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428 | } |
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429 | |||
430 | /**
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431 | 44976 | jjdelcerro | * @param reversed the reversed to set
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432 | 40435 | jjdelcerro | */
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433 | public void setReversed(boolean reversed) { |
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434 | this.reversed = reversed;
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435 | } |
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436 | |||
437 | /**
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438 | * @return the totalSize
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439 | */
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440 | public long getTotalSize() { |
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441 | return totalSize;
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442 | } |
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443 | |||
444 | /**
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445 | 44976 | jjdelcerro | * @param totalSize the totalSize to set
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446 | 40435 | jjdelcerro | */
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447 | public void setTotalSize(long totalSize) { |
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448 | this.totalSize = totalSize;
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449 | } |
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450 | |||
451 | public boolean add(FeatureReference reference) { |
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452 | return selected.add(reference);
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453 | } |
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454 | |||
455 | public boolean remove(FeatureReference reference) { |
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456 | return selected.remove(reference);
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457 | } |
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458 | |||
459 | public void clear() { |
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460 | selected.clear(); |
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461 | } |
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462 | |||
463 | public boolean contains(FeatureReference reference) { |
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464 | return selected.contains(reference);
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465 | } |
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466 | |||
467 | public int getSize() { |
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468 | return selected.size();
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469 | } |
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470 | |||
471 | 44976 | jjdelcerro | @Override
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472 | 40435 | jjdelcerro | public Object clone() throws CloneNotSupportedException { |
473 | 44976 | jjdelcerro | SelectionData clone = (SelectionData) super.clone();
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474 | // reversed and totalSize already cloned by parent.
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475 | // clone the selected Set
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476 | clone.selected = new HashSet(selected); |
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477 | 40435 | jjdelcerro | return clone;
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478 | } |
||
479 | } |
||
480 | |||
481 | 44976 | jjdelcerro | @Override
|
482 | public void saveToState(PersistentState state) throws PersistenceException { |
||
483 | state.set("store", featureStore);
|
||
484 | state.set("reversed", this.getData().isReversed()); |
||
485 | state.set("totalSize", this.getData().getTotalSize()); |
||
486 | state.set("selected", this.getData().getSelected().iterator()); |
||
487 | } |
||
488 | 40435 | jjdelcerro | |
489 | 44976 | jjdelcerro | @Override
|
490 | public void loadFromState(PersistentState state) |
||
491 | throws PersistenceException {
|
||
492 | SelectionData data = new SelectionData(); // Do not use this.getData() |
||
493 | featureStore = (FeatureStore) state.get("store");
|
||
494 | helper = new DefaultFeatureSelectionHelper((DefaultFeatureStore) featureStore);
|
||
495 | data.setReversed(state.getBoolean("reversed"));
|
||
496 | data.setTotalSize(state.getLong("totalSize"));
|
||
497 | Iterator it = state.getIterator("selected"); |
||
498 | while (it.hasNext()) {
|
||
499 | 45647 | fdiaz | FeatureReference ref = (FeatureReference) it.next(); |
500 | 44976 | jjdelcerro | data.add(ref); |
501 | } |
||
502 | 40435 | jjdelcerro | |
503 | 44976 | jjdelcerro | /*
|
504 | 43725 | jjdelcerro | * If we do not do this, feature store will not listen
|
505 | * to changes in selection after instantiating a
|
||
506 | * persisted selection. For non-persisted instances,
|
||
507 | * this line corresponds to the line found in method:
|
||
508 | * getFeatureSelection() in DefaultFeatureStore.
|
||
509 | * This is not dangerous because "addObserver" only adds
|
||
510 | * if they were not already added, so future invocations
|
||
511 | * with same instances will have no effect.
|
||
512 | 44976 | jjdelcerro | */
|
513 | this.addObserver((DefaultFeatureStore) featureStore);
|
||
514 | } |
||
515 | 40435 | jjdelcerro | |
516 | 44976 | jjdelcerro | public static void registerPersistent() { |
517 | DynStruct definition = ToolsLocator.getPersistenceManager().addDefinition( |
||
518 | DefaultFeatureReferenceSelection.class, |
||
519 | DYNCLASS_PERSISTENT_NAME, |
||
520 | "DefaultFeatureReferenceSelection Persistent definition",
|
||
521 | null,
|
||
522 | null
|
||
523 | ); |
||
524 | 40435 | jjdelcerro | |
525 | 44976 | jjdelcerro | definition.addDynFieldObject("store").setClassOfValue(FeatureStore.class).setMandatory(true); |
526 | definition.addDynFieldBoolean("reversed").setMandatory(true); |
||
527 | definition.addDynFieldLong("totalSize").setMandatory(true); |
||
528 | 45647 | fdiaz | definition.addDynFieldList("selected").setClassOfItems(FeatureReference.class).setMandatory(true); |
529 | 40435 | jjdelcerro | |
530 | 44976 | jjdelcerro | } |
531 | 40435 | jjdelcerro | |
532 | 44976 | jjdelcerro | @Override
|
533 | public void addObserver(Observer observer) { |
||
534 | delegateObservable.addObserver(observer); |
||
535 | } |
||
536 | 40435 | jjdelcerro | |
537 | 44976 | jjdelcerro | @Override
|
538 | public void beginComplexNotification() { |
||
539 | delegateObservable.beginComplexNotification(); |
||
540 | } |
||
541 | 40435 | jjdelcerro | |
542 | 44976 | jjdelcerro | @Override
|
543 | public void deleteObserver(Observer observer) { |
||
544 | delegateObservable.deleteObserver(observer); |
||
545 | } |
||
546 | 40435 | jjdelcerro | |
547 | 44976 | jjdelcerro | @Override
|
548 | public void deleteObservers() { |
||
549 | delegateObservable.deleteObservers(); |
||
550 | } |
||
551 | 40435 | jjdelcerro | |
552 | 44976 | jjdelcerro | @Override
|
553 | public void disableNotifications() { |
||
554 | delegateObservable.disableNotifications(); |
||
555 | } |
||
556 | 40435 | jjdelcerro | |
557 | 44976 | jjdelcerro | @Override
|
558 | public void enableNotifications() { |
||
559 | delegateObservable.enableNotifications(); |
||
560 | } |
||
561 | 40435 | jjdelcerro | |
562 | 44976 | jjdelcerro | @Override
|
563 | public void endComplexNotification() { |
||
564 | // We don't want to notify many times in a complex notification
|
||
565 | // scenario, so ignore notifications if in complex.
|
||
566 | // Only one notification will be sent when the complex notification
|
||
567 | // ends.
|
||
568 | delegateObservable.notifyObservers(DataStoreNotification.SELECTION_CHANGE); |
||
569 | delegateObservable.endComplexNotification(); |
||
570 | } |
||
571 | 40435 | jjdelcerro | |
572 | 44976 | jjdelcerro | public boolean inComplex() { |
573 | return delegateObservable.inComplex();
|
||
574 | } |
||
575 | 40435 | jjdelcerro | |
576 | 44976 | jjdelcerro | public boolean isEnabledNotifications() { |
577 | return delegateObservable.isEnabledNotifications();
|
||
578 | } |
||
579 | 40435 | jjdelcerro | |
580 | 44976 | jjdelcerro | public void notifyObservers() { |
581 | // We don't want to notify many times in a complex notification
|
||
582 | // scenario, so ignore notifications if in complex.
|
||
583 | // Only one notification will be sent when the complex notification
|
||
584 | // ends.
|
||
585 | if (!delegateObservable.inComplex()) {
|
||
586 | delegateObservable.notifyObservers(); |
||
587 | } |
||
588 | } |
||
589 | 40435 | jjdelcerro | |
590 | 44976 | jjdelcerro | public void notifyObservers(Object arg) { |
591 | if (!delegateObservable.inComplex()) {
|
||
592 | delegateObservable.notifyObservers(arg); |
||
593 | } |
||
594 | } |
||
595 | 40435 | jjdelcerro | |
596 | 43646 | jjdelcerro | @Override
|
597 | 44976 | jjdelcerro | public Object clone() throws CloneNotSupportedException { |
598 | DefaultFeatureReferenceSelection clone = (DefaultFeatureReferenceSelection) super.clone();
|
||
599 | // Original observers aren't cloned
|
||
600 | clone.delegateObservable = new DelegateWeakReferencingObservable(clone);
|
||
601 | // Clone internal data
|
||
602 | clone.selectionData = (SelectionData) this.getData().clone();
|
||
603 | // featureStore and helper are already swallow cloned by our parent
|
||
604 | return clone;
|
||
605 | } |
||
606 | 44435 | jjdelcerro | |
607 | @Override
|
||
608 | public boolean isAvailable() { |
||
609 | 44976 | jjdelcerro | if (this.available == null) { |
610 | 44435 | jjdelcerro | try {
|
611 | FeatureType type = this.featureStore.getDefaultFeatureType();
|
||
612 | this.available = type.supportReferences();
|
||
613 | } catch (DataException ex) {
|
||
614 | this.available = false; |
||
615 | } |
||
616 | } |
||
617 | return this.available; |
||
618 | } |
||
619 | 44976 | jjdelcerro | |
620 | 40767 | jjdelcerro | } |