1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.dialogs;
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3 |
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4 | import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
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5 | import static org.openstreetmap.josm.tools.I18n.tr;
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6 |
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7 | import java.awt.BorderLayout;
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8 | import java.awt.Component;
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9 | import java.awt.event.ActionEvent;
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10 | import java.beans.PropertyChangeEvent;
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11 | import java.beans.PropertyChangeListener;
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12 |
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13 | import javax.swing.AbstractAction;
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14 | import javax.swing.Action;
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15 | import javax.swing.JLabel;
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16 | import javax.swing.JOptionPane;
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17 | import javax.swing.JPanel;
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18 |
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19 | import org.openstreetmap.josm.Main;
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20 | import org.openstreetmap.josm.data.osm.DefaultNameFormatter;
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21 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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22 | import org.openstreetmap.josm.gui.ExtendedDialog;
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23 | import org.openstreetmap.josm.gui.MainApplication;
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24 | import org.openstreetmap.josm.gui.conflict.pair.ConflictResolver;
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25 | import org.openstreetmap.josm.gui.help.HelpBrowser;
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26 | import org.openstreetmap.josm.gui.help.HelpUtil;
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27 | import org.openstreetmap.josm.tools.ImageProvider;
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28 |
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29 | /**
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30 | * This is an extended dialog for resolving conflict between {@link OsmPrimitive}s.
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31 | * @since 1622
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32 | */
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33 | public class ConflictResolutionDialog extends ExtendedDialog implements PropertyChangeListener {
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34 | /** the conflict resolver component */
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35 | private final ConflictResolver resolver = new ConflictResolver();
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36 | private final JLabel titleLabel = new JLabel("", null, JLabel.CENTER);
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37 |
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38 | private final ApplyResolutionAction applyResolutionAction = new ApplyResolutionAction();
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39 |
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40 | private boolean isRegistered;
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41 |
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42 | /**
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43 | * Constructs a new {@code ConflictResolutionDialog}.
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44 | * @param parent parent component
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45 | */
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46 | public ConflictResolutionDialog(Component parent) {
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47 | // We define our own actions, but need to give a hint about number of buttons
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48 | super(parent, tr("Resolve conflicts"), null, null, null);
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49 | setDefaultButton(1);
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50 | setCancelButton(2);
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51 | build();
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52 | pack();
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53 | if (getInsets().top > 0) {
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54 | titleLabel.setVisible(false);
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55 | }
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56 | }
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57 |
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58 | @Override
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59 | public void removeNotify() {
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60 | super.removeNotify();
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61 | unregisterListeners();
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62 | }
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63 |
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64 | @Override
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65 | public void addNotify() {
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66 | super.addNotify();
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67 | registerListeners();
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68 | }
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69 |
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70 | private synchronized void registerListeners() {
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71 | if (!isRegistered) {
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72 | resolver.addPropertyChangeListener(applyResolutionAction);
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73 | resolver.registerListeners();
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74 | isRegistered = true;
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75 | }
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76 | }
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77 |
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78 | private synchronized void unregisterListeners() {
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79 | // See #13479 - See https://bugs.openjdk.java.net/browse/JDK-4387314
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80 | // Owner window keep a list of owned windows, and does not remove the references when the child is disposed.
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81 | // There's no easy way to remove ourselves from this list, so we must keep track of register state
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82 | if (isRegistered) {
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83 | resolver.removePropertyChangeListener(applyResolutionAction);
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84 | resolver.unregisterListeners();
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85 | isRegistered = false;
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86 | }
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87 | }
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88 |
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89 | /**
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90 | * builds the GUI
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91 | */
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92 | protected void build() {
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93 | JPanel p = new JPanel(new BorderLayout());
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94 |
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95 | p.add(titleLabel, BorderLayout.NORTH);
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96 |
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97 | updateTitle();
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98 |
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99 | resolver.setName("panel.conflictresolver");
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100 | p.add(resolver, BorderLayout.CENTER);
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101 |
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102 | resolver.addPropertyChangeListener(this);
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103 | HelpUtil.setHelpContext(this.getRootPane(), ht("Dialog/Conflict"));
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104 |
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105 | setContent(p, false);
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106 | }
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107 |
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108 | @Override
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109 | protected Action createButtonAction(int i) {
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110 | switch (i) {
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111 | case 0: return applyResolutionAction;
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112 | case 1: return new CancelAction();
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113 | case 2: return new HelpAction();
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114 | default: return super.createButtonAction(i);
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115 | }
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116 | }
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117 |
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118 | /**
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119 | * Replies the conflict resolver component.
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120 | * @return the conflict resolver component
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121 | */
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122 | public ConflictResolver getConflictResolver() {
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123 | return resolver;
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124 | }
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125 |
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126 | /**
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127 | * Action for canceling conflict resolution
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128 | */
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129 | class CancelAction extends AbstractAction {
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130 | CancelAction() {
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131 | putValue(Action.SHORT_DESCRIPTION, tr("Cancel conflict resolution and close the dialog"));
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132 | putValue(Action.NAME, tr("Cancel"));
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133 | new ImageProvider("cancel").getResource().attachImageIcon(this);
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134 | setEnabled(true);
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135 | }
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136 |
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137 | @Override
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138 | public void actionPerformed(ActionEvent evt) {
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139 | buttonAction(2, evt);
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140 | }
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141 | }
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142 |
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143 | /**
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144 | * Action for canceling conflict resolution
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145 | */
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146 | static class HelpAction extends AbstractAction {
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147 | HelpAction() {
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148 | putValue(Action.SHORT_DESCRIPTION, tr("Show help information"));
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149 | putValue(Action.NAME, tr("Help"));
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150 | new ImageProvider("help").getResource().attachImageIcon(this);
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151 | setEnabled(true);
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152 | }
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153 |
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154 | @Override
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155 | public void actionPerformed(ActionEvent evt) {
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156 | HelpBrowser.setUrlForHelpTopic(ht("/Dialog/Conflict"));
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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 | * Action for applying resolved differences in a conflict
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162 | *
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163 | */
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164 | class ApplyResolutionAction extends AbstractAction implements PropertyChangeListener {
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165 | ApplyResolutionAction() {
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166 | putValue(Action.SHORT_DESCRIPTION, tr("Apply resolved conflicts and close the dialog"));
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167 | putValue(Action.NAME, tr("Apply Resolution"));
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168 | new ImageProvider("dialogs", "conflict").getResource().attachImageIcon(this);
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169 | updateEnabledState();
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170 | }
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171 |
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172 | protected void updateEnabledState() {
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173 | setEnabled(resolver.isResolvedCompletely());
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174 | }
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175 |
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176 | @Override
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177 | public void actionPerformed(ActionEvent evt) {
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178 | if (!resolver.isResolvedCompletely()) {
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179 | Object[] options = {
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180 | tr("Close anyway"),
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181 | tr("Continue resolving")};
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182 | int ret = JOptionPane.showOptionDialog(Main.parent,
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183 | tr("<html>You did not finish to merge the differences in this conflict.<br>"
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184 | + "Conflict resolutions will not be applied unless all differences<br>"
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185 | + "are resolved.<br>"
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186 | + "Click <strong>{0}</strong> to close anyway.<strong> Already<br>"
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187 | + "resolved differences will not be applied.</strong><br>"
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188 | + "Click <strong>{1}</strong> to return to resolving conflicts.</html>",
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189 | options[0].toString(), options[1].toString()
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190 | ),
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191 | tr("Conflict not resolved completely"),
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192 | JOptionPane.YES_NO_OPTION,
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193 | JOptionPane.WARNING_MESSAGE,
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194 | null,
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195 | options,
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196 | options[1]
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197 | );
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198 | switch(ret) {
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199 | case JOptionPane.YES_OPTION:
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200 | buttonAction(1, evt);
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201 | break;
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202 | default:
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203 | return;
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204 | }
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205 | }
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206 | MainApplication.undoRedo.add(resolver.buildResolveCommand());
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207 | buttonAction(1, evt);
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208 | }
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209 |
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210 | @Override
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211 | public void propertyChange(PropertyChangeEvent evt) {
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212 | if (evt.getPropertyName().equals(ConflictResolver.RESOLVED_COMPLETELY_PROP)) {
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213 | updateEnabledState();
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214 | }
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215 | }
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216 | }
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217 |
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218 | protected void updateTitle() {
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219 | updateTitle(null);
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220 | }
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221 |
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222 | protected void updateTitle(OsmPrimitive my) {
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223 | if (my == null) {
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224 | setTitle(tr("Resolve conflicts"));
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225 | } else {
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226 | setTitle(tr("Resolve conflicts for ''{0}''", my.getDisplayName(DefaultNameFormatter.getInstance())));
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227 | }
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228 | }
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229 |
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230 | @Override
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231 | public void setTitle(String title) {
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232 | super.setTitle(title);
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233 | if (titleLabel != null) {
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234 | titleLabel.setText(title);
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235 | }
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236 | }
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237 |
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238 | @Override
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239 | public void propertyChange(PropertyChangeEvent evt) {
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240 | if (evt.getPropertyName().equals(ConflictResolver.MY_PRIMITIVE_PROP)) {
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241 | updateTitle((OsmPrimitive) evt.getNewValue());
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242 | }
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243 | }
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244 | }
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