1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.dialogs.relation.actions;
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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.List;
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9 |
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10 | import javax.swing.JOptionPane;
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11 | import javax.swing.SwingUtilities;
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12 |
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13 | import org.openstreetmap.josm.Main;
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14 | import org.openstreetmap.josm.command.AddCommand;
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15 | import org.openstreetmap.josm.command.ChangeCommand;
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16 | import org.openstreetmap.josm.command.conflict.ConflictAddCommand;
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17 | import org.openstreetmap.josm.data.conflict.Conflict;
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18 | import org.openstreetmap.josm.data.osm.Relation;
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19 | import org.openstreetmap.josm.data.osm.RelationMember;
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20 | import org.openstreetmap.josm.gui.DefaultNameFormatter;
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21 | import org.openstreetmap.josm.gui.HelpAwareOptionPane;
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22 | import org.openstreetmap.josm.gui.HelpAwareOptionPane.ButtonSpec;
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23 | import org.openstreetmap.josm.gui.dialogs.relation.MemberTable;
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24 | import org.openstreetmap.josm.gui.dialogs.relation.MemberTableModel;
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25 | import org.openstreetmap.josm.gui.dialogs.relation.RelationAware;
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26 | import org.openstreetmap.josm.gui.dialogs.relation.RelationDialogManager;
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27 | import org.openstreetmap.josm.gui.dialogs.relation.RelationEditor;
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28 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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29 | import org.openstreetmap.josm.gui.tagging.TagEditorModel;
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30 | import org.openstreetmap.josm.gui.tagging.ac.AutoCompletingTextField;
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31 | import org.openstreetmap.josm.tools.ImageProvider;
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32 |
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33 | /**
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34 | * Abstract superclass of relation saving actions (OK, Apply, Cancel).
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35 | * @since 9496
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36 | */
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37 | abstract class SavingAction extends AbstractRelationEditorAction {
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38 |
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39 | protected final TagEditorModel tagModel;
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40 | protected final AutoCompletingTextField tfRole;
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41 |
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42 | protected SavingAction(MemberTable memberTable, MemberTableModel memberTableModel, TagEditorModel tagModel, OsmDataLayer layer,
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43 | RelationAware editor, AutoCompletingTextField tfRole) {
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44 | super(memberTable, memberTableModel, null, layer, editor);
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45 | this.tagModel = tagModel;
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46 | this.tfRole = tfRole;
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47 | }
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48 |
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49 | /**
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50 | * apply updates to a new relation
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51 | * @param tagEditorModel tag editor model
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52 | */
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53 | protected void applyNewRelation(TagEditorModel tagEditorModel) {
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54 | final Relation newRelation = new Relation();
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55 | tagEditorModel.applyToPrimitive(newRelation);
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56 | memberTableModel.applyToRelation(newRelation);
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57 | List<RelationMember> newMembers = new ArrayList<>();
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58 | for (RelationMember rm: newRelation.getMembers()) {
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59 | if (!rm.getMember().isDeleted()) {
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60 | newMembers.add(rm);
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61 | }
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62 | }
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63 | if (newRelation.getMembersCount() != newMembers.size()) {
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64 | newRelation.setMembers(newMembers);
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65 | String msg = tr("One or more members of this new relation have been deleted while the relation editor\n" +
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66 | "was open. They have been removed from the relation members list.");
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67 | JOptionPane.showMessageDialog(Main.parent, msg, tr("Warning"), JOptionPane.WARNING_MESSAGE);
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68 | }
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69 | // If the user wanted to create a new relation, but hasn't added any members or
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70 | // tags, don't add an empty relation
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71 | if (newRelation.getMembersCount() == 0 && !newRelation.hasKeys())
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72 | return;
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73 | Main.main.undoRedo.add(new AddCommand(layer, newRelation));
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74 |
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75 | // make sure everybody is notified about the changes
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76 | //
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77 | layer.data.fireSelectionChanged();
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78 | editor.setRelation(newRelation);
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79 | if (editor instanceof RelationEditor) {
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80 | RelationDialogManager.getRelationDialogManager().updateContext(
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81 | layer, editor.getRelation(), (RelationEditor) editor);
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82 | }
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83 | SwingUtilities.invokeLater(new Runnable() {
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84 | @Override
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85 | public void run() {
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86 | // Relation list gets update in EDT so selecting my be postponed to following EDT run
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87 | Main.map.relationListDialog.selectRelation(newRelation);
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88 | }
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89 | });
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90 | }
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91 |
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92 | /**
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93 | * Apply the updates for an existing relation which has been changed outside of the relation editor.
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94 | * @param tagEditorModel tag editor model
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95 | */
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96 | protected void applyExistingConflictingRelation(TagEditorModel tagEditorModel) {
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97 | Relation editedRelation = new Relation(editor.getRelation());
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98 | tagEditorModel.applyToPrimitive(editedRelation);
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99 | memberTableModel.applyToRelation(editedRelation);
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100 | Conflict<Relation> conflict = new Conflict<>(editor.getRelation(), editedRelation);
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101 | Main.main.undoRedo.add(new ConflictAddCommand(layer, conflict));
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102 | }
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103 |
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104 | /**
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105 | * Apply the updates for an existing relation which has not been changed outside of the relation editor.
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106 | * @param tagEditorModel tag editor model
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107 | */
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108 | protected void applyExistingNonConflictingRelation(TagEditorModel tagEditorModel) {
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109 | Relation editedRelation = new Relation(editor.getRelation());
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110 | tagEditorModel.applyToPrimitive(editedRelation);
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111 | memberTableModel.applyToRelation(editedRelation);
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112 | Main.main.undoRedo.add(new ChangeCommand(editor.getRelation(), editedRelation));
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113 | layer.data.fireSelectionChanged();
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114 | }
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115 |
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116 | protected boolean confirmClosingBecauseOfDirtyState() {
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117 | ButtonSpec[] options = new ButtonSpec[] {
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118 | new ButtonSpec(
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119 | tr("Yes, create a conflict and close"),
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120 | ImageProvider.get("ok"),
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121 | tr("Click to create a conflict and close this relation editor"),
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122 | null /* no specific help topic */
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123 | ),
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124 | new ButtonSpec(
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125 | tr("No, continue editing"),
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126 | ImageProvider.get("cancel"),
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127 | tr("Click to return to the relation editor and to resume relation editing"),
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128 | null /* no specific help topic */
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129 | )
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130 | };
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131 |
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132 | int ret = HelpAwareOptionPane.showOptionDialog(
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133 | Main.parent,
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134 | tr("<html>This relation has been changed outside of the editor.<br>"
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135 | + "You cannot apply your changes and continue editing.<br>"
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136 | + "<br>"
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137 | + "Do you want to create a conflict and close the editor?</html>"),
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138 | tr("Conflict in data"),
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139 | JOptionPane.WARNING_MESSAGE,
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140 | null,
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141 | options,
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142 | options[0], // OK is default
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143 | "/Dialog/RelationEditor#RelationChangedOutsideOfEditor"
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144 | );
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145 | return ret == 0;
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146 | }
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147 |
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148 | protected void warnDoubleConflict() {
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149 | JOptionPane.showMessageDialog(
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150 | Main.parent,
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151 | tr("<html>Layer ''{0}'' already has a conflict for object<br>"
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152 | + "''{1}''.<br>"
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153 | + "Please resolve this conflict first, then try again.</html>",
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154 | layer.getName(),
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155 | editor.getRelation().getDisplayName(DefaultNameFormatter.getInstance())
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156 | ),
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157 | tr("Double conflict"),
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158 | JOptionPane.WARNING_MESSAGE
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159 | );
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160 | }
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161 |
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162 | @Override
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163 | protected void updateEnabledState() {
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164 | // Do nothing
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165 | }
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166 |
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167 | protected boolean applyChanges() {
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168 | if (editor.getRelation() == null) {
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169 | applyNewRelation(tagModel);
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170 | } else if (isEditorDirty()) {
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171 | if (editor.isDirtyRelation()) {
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172 | if (confirmClosingBecauseOfDirtyState()) {
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173 | if (layer.getConflicts().hasConflictForMy(editor.getRelation())) {
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174 | warnDoubleConflict();
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175 | return false;
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176 | }
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177 | applyExistingConflictingRelation(tagModel);
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178 | hideEditor();
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179 | } else
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180 | return false;
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181 | } else {
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182 | applyExistingNonConflictingRelation(tagModel);
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183 | }
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184 | }
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185 | editor.setRelation(editor.getRelation());
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186 | return true;
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187 | }
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188 |
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189 | protected void hideEditor() {
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190 | if (editor instanceof Component) {
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191 | ((Component) editor).setVisible(false);
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192 | }
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193 | }
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194 |
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195 | protected boolean isEditorDirty() {
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196 | Relation snapshot = editor.getRelationSnapshot();
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197 | return (snapshot != null && !memberTableModel.hasSameMembersAs(snapshot)) || tagModel.isDirty();
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198 | }
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199 | }
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