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.tools.I18n.tr;
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5 | import static org.openstreetmap.josm.tools.I18n.trn;
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6 |
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7 | import java.awt.event.ActionEvent;
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8 | import java.awt.event.KeyEvent;
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9 | import java.awt.event.MouseAdapter;
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10 | import java.awt.event.MouseEvent;
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11 | import java.text.NumberFormat;
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12 | import java.util.ArrayList;
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13 | import java.util.Arrays;
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14 | import java.util.Collection;
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15 | import java.util.Collections;
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16 | import java.util.HashMap;
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17 | import java.util.HashSet;
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18 | import java.util.Iterator;
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19 | import java.util.LinkedList;
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20 | import java.util.List;
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21 | import java.util.Map;
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22 | import java.util.Set;
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23 |
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24 | import javax.swing.AbstractAction;
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25 | import javax.swing.JTable;
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26 | import javax.swing.ListSelectionModel;
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27 | import javax.swing.event.ListSelectionEvent;
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28 | import javax.swing.event.ListSelectionListener;
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29 | import javax.swing.table.DefaultTableModel;
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30 |
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31 | import org.openstreetmap.josm.Main;
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32 | import org.openstreetmap.josm.actions.AbstractInfoAction;
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33 | import org.openstreetmap.josm.data.osm.DataSelectionListener;
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34 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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35 | import org.openstreetmap.josm.data.osm.User;
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36 | import org.openstreetmap.josm.data.osm.event.SelectionEventManager;
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37 | import org.openstreetmap.josm.gui.MainApplication;
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38 | import org.openstreetmap.josm.gui.SideButton;
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39 | import org.openstreetmap.josm.gui.layer.Layer;
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40 | import org.openstreetmap.josm.gui.layer.MainLayerManager.ActiveLayerChangeEvent;
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41 | import org.openstreetmap.josm.gui.layer.MainLayerManager.ActiveLayerChangeListener;
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42 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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43 | import org.openstreetmap.josm.gui.util.GuiHelper;
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44 | import org.openstreetmap.josm.tools.ImageProvider;
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45 | import org.openstreetmap.josm.tools.Logging;
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46 | import org.openstreetmap.josm.tools.OpenBrowser;
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47 | import org.openstreetmap.josm.tools.Shortcut;
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48 | import org.openstreetmap.josm.tools.Utils;
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49 |
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50 | /**
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51 | * Displays a dialog with all users who have last edited something in the
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52 | * selection area, along with the number of objects.
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53 | *
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54 | */
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55 | public class UserListDialog extends ToggleDialog implements DataSelectionListener, ActiveLayerChangeListener {
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56 |
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57 | /**
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58 | * The display list.
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59 | */
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60 | private JTable userTable;
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61 | private UserTableModel model;
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62 | private SelectUsersPrimitivesAction selectionUsersPrimitivesAction;
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63 |
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64 | /**
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65 | * Constructs a new {@code UserListDialog}.
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66 | */
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67 | public UserListDialog() {
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68 | super(tr("Authors"), "userlist", tr("Open a list of people working on the selected objects."),
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69 | Shortcut.registerShortcut("subwindow:authors", tr("Toggle: {0}", tr("Authors")), KeyEvent.VK_A, Shortcut.ALT_SHIFT), 150);
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70 | build();
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71 | }
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72 |
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73 | @Override
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74 | public void showNotify() {
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75 | SelectionEventManager.getInstance().addSelectionListenerForEdt(this);
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76 | MainApplication.getLayerManager().addActiveLayerChangeListener(this);
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77 | }
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78 |
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79 | @Override
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80 | public void hideNotify() {
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81 | MainApplication.getLayerManager().removeActiveLayerChangeListener(this);
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82 | SelectionEventManager.getInstance().removeSelectionListener(this);
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83 | }
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84 |
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85 | protected void build() {
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86 | model = new UserTableModel();
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87 | userTable = new JTable(model);
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88 | userTable.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
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89 | userTable.addMouseListener(new DoubleClickAdapter());
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90 |
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91 | // -- select users primitives action
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92 | //
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93 | selectionUsersPrimitivesAction = new SelectUsersPrimitivesAction();
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94 | userTable.getSelectionModel().addListSelectionListener(selectionUsersPrimitivesAction);
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95 |
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96 | // -- info action
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97 | //
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98 | ShowUserInfoAction showUserInfoAction = new ShowUserInfoAction();
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99 | userTable.getSelectionModel().addListSelectionListener(showUserInfoAction);
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100 |
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101 | createLayout(userTable, true, Arrays.asList(
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102 | new SideButton(selectionUsersPrimitivesAction),
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103 | new SideButton(showUserInfoAction)
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104 | ));
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105 | }
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106 |
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107 | @Override
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108 | public void selectionChanged(SelectionChangeEvent event) {
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109 | refresh(event.getSelection());
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110 | }
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111 |
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112 | @Override
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113 | public void activeOrEditLayerChanged(ActiveLayerChangeEvent e) {
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114 | Layer activeLayer = e.getSource().getActiveLayer();
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115 | refreshForActiveLayer(activeLayer);
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116 | }
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117 |
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118 | private void refreshForActiveLayer(Layer activeLayer) {
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119 | if (activeLayer instanceof OsmDataLayer) {
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120 | refresh(((OsmDataLayer) activeLayer).data.getAllSelected());
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121 | } else {
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122 | refresh(null);
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123 | }
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124 | }
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125 |
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126 | /**
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127 | * Refreshes user list from given collection of OSM primitives.
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128 | * @param fromPrimitives OSM primitives to fetch users from
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129 | */
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130 | public void refresh(Collection<? extends OsmPrimitive> fromPrimitives) {
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131 | GuiHelper.runInEDT(() -> {
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132 | model.populate(fromPrimitives);
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133 | if (model.getRowCount() != 0) {
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134 | setTitle(trn("{0} Author", "{0} Authors", model.getRowCount(), model.getRowCount()));
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135 | } else {
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136 | setTitle(tr("Authors"));
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137 | }
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138 | });
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139 | }
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140 |
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141 | @Override
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142 | public void showDialog() {
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143 | super.showDialog();
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144 | refreshForActiveLayer(MainApplication.getLayerManager().getActiveLayer());
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145 | }
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146 |
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147 | class SelectUsersPrimitivesAction extends AbstractAction implements ListSelectionListener {
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148 |
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149 | /**
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150 | * Constructs a new {@code SelectUsersPrimitivesAction}.
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151 | */
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152 | SelectUsersPrimitivesAction() {
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153 | putValue(NAME, tr("Select"));
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154 | putValue(SHORT_DESCRIPTION, tr("Select objects submitted by this user"));
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155 | new ImageProvider("dialogs", "select").getResource().attachImageIcon(this, true);
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156 | updateEnabledState();
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157 | }
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158 |
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159 | public void select() {
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160 | int[] indexes = userTable.getSelectedRows();
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161 | if (indexes.length == 0)
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162 | return;
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163 | model.selectPrimitivesOwnedBy(userTable.getSelectedRows());
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164 | }
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165 |
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166 | @Override
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167 | public void actionPerformed(ActionEvent e) {
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168 | select();
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169 | }
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170 |
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171 | protected void updateEnabledState() {
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172 | setEnabled(userTable != null && userTable.getSelectedRowCount() > 0);
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173 | }
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174 |
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175 | @Override
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176 | public void valueChanged(ListSelectionEvent e) {
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177 | updateEnabledState();
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178 | }
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179 | }
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180 |
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181 | /**
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182 | * Action for launching the info page of a user.
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183 | */
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184 | class ShowUserInfoAction extends AbstractInfoAction implements ListSelectionListener {
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185 |
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186 | ShowUserInfoAction() {
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187 | super(false);
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188 | putValue(NAME, tr("Show info"));
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189 | putValue(SHORT_DESCRIPTION, tr("Launches a browser with information about the user"));
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190 | new ImageProvider("help/internet").getResource().attachImageIcon(this, true);
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191 | updateEnabledState();
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192 | }
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193 |
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194 | @Override
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195 | public void actionPerformed(ActionEvent e) {
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196 | int[] rows = userTable.getSelectedRows();
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197 | if (rows.length == 0)
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198 | return;
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199 | List<User> users = model.getSelectedUsers(rows);
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200 | if (users.isEmpty())
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201 | return;
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202 | if (users.size() > 10) {
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203 | Logging.warn(tr("Only launching info browsers for the first {0} of {1} selected users", 10, users.size()));
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204 | }
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205 | int num = Math.min(10, users.size());
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206 | Iterator<User> it = users.iterator();
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207 | while (it.hasNext() && num > 0) {
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208 | String url = createInfoUrl(it.next());
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209 | if (url == null) {
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210 | break;
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211 | }
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212 | OpenBrowser.displayUrl(url);
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213 | num--;
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214 | }
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215 | }
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216 |
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217 | @Override
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218 | protected String createInfoUrl(Object infoObject) {
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219 | if (infoObject instanceof User) {
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220 | User user = (User) infoObject;
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221 | return Main.getBaseUserUrl() + '/' + Utils.encodeUrl(user.getName()).replaceAll("\\+", "%20");
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222 | } else {
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223 | return null;
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224 | }
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225 | }
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226 |
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227 | @Override
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228 | protected void updateEnabledState() {
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229 | setEnabled(userTable != null && userTable.getSelectedRowCount() > 0);
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230 | }
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231 |
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232 | @Override
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233 | public void valueChanged(ListSelectionEvent e) {
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234 | updateEnabledState();
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235 | }
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236 | }
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237 |
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238 | class DoubleClickAdapter extends MouseAdapter {
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239 | @Override
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240 | public void mouseClicked(MouseEvent e) {
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241 | if (e.getButton() == MouseEvent.BUTTON1 && e.getClickCount() == 2) {
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242 | selectionUsersPrimitivesAction.select();
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243 | }
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244 | }
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245 | }
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246 |
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247 | /**
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248 | * Action for selecting the primitives contributed by the currently selected users.
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249 | *
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250 | */
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251 | private static class UserInfo implements Comparable<UserInfo> {
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252 | public final User user;
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253 | public final int count;
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254 | public final double percent;
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255 |
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256 | UserInfo(User user, int count, double percent) {
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257 | this.user = user;
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258 | this.count = count;
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259 | this.percent = percent;
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260 | }
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261 |
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262 | @Override
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263 | public int compareTo(UserInfo o) {
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264 | if (count < o.count)
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265 | return 1;
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266 | if (count > o.count)
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267 | return -1;
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268 | if (user == null || user.getName() == null)
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269 | return 1;
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270 | if (o.user == null || o.user.getName() == null)
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271 | return -1;
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272 | return user.getName().compareTo(o.user.getName());
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273 | }
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274 |
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275 | public String getName() {
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276 | if (user == null)
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277 | return tr("<new object>");
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278 | return user.getName();
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279 | }
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280 | }
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281 |
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282 | /**
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283 | * The table model for the users
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284 | *
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285 | */
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286 | static class UserTableModel extends DefaultTableModel {
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287 | private final transient List<UserInfo> data;
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288 |
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289 | UserTableModel() {
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290 | setColumnIdentifiers(new String[]{tr("Author"), tr("# Objects"), "%"});
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291 | data = new ArrayList<>();
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292 | }
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293 |
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294 | protected Map<User, Integer> computeStatistics(Collection<? extends OsmPrimitive> primitives) {
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295 | Map<User, Integer> ret = new HashMap<>();
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296 | if (primitives == null || primitives.isEmpty())
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297 | return ret;
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298 | for (OsmPrimitive primitive: primitives) {
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299 | if (ret.containsKey(primitive.getUser())) {
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300 | ret.put(primitive.getUser(), ret.get(primitive.getUser()) + 1);
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301 | } else {
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302 | ret.put(primitive.getUser(), 1);
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303 | }
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304 | }
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305 | return ret;
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306 | }
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307 |
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308 | public void populate(Collection<? extends OsmPrimitive> primitives) {
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309 | GuiHelper.assertCallFromEdt();
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310 | Map<User, Integer> statistics = computeStatistics(primitives);
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311 | data.clear();
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312 | if (primitives != null) {
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313 | for (Map.Entry<User, Integer> entry: statistics.entrySet()) {
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314 | data.add(new UserInfo(entry.getKey(), entry.getValue(), (double) entry.getValue() / (double) primitives.size()));
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315 | }
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316 | }
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317 | Collections.sort(data);
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318 | this.fireTableDataChanged();
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319 | }
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320 |
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321 | @Override
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322 | public int getRowCount() {
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323 | if (data == null)
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324 | return 0;
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325 | return data.size();
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326 | }
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327 |
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328 | @Override
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329 | public Object getValueAt(int row, int column) {
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330 | UserInfo info = data.get(row);
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331 | switch(column) {
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332 | case 0: /* author */ return info.getName() == null ? "" : info.getName();
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333 | case 1: /* count */ return info.count;
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334 | case 2: /* percent */ return NumberFormat.getPercentInstance().format(info.percent);
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335 | default: return null;
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336 | }
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337 | }
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338 |
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339 | @Override
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340 | public boolean isCellEditable(int row, int column) {
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341 | return false;
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342 | }
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343 |
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344 | public void selectPrimitivesOwnedBy(int... rows) {
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345 | Set<User> users = new HashSet<>();
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346 | for (int index: rows) {
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347 | users.add(data.get(index).user);
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348 | }
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349 | Collection<OsmPrimitive> selected = MainApplication.getLayerManager().getEditDataSet().getAllSelected();
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350 | Collection<OsmPrimitive> byUser = new LinkedList<>();
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351 | for (OsmPrimitive p : selected) {
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352 | if (users.contains(p.getUser())) {
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353 | byUser.add(p);
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354 | }
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355 | }
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356 | MainApplication.getLayerManager().getEditDataSet().setSelected(byUser);
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357 | }
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358 |
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359 | public List<User> getSelectedUsers(int... rows) {
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360 | List<User> ret = new LinkedList<>();
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361 | if (rows == null || rows.length == 0)
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362 | return ret;
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363 | for (int row: rows) {
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364 | if (data.get(row).user == null) {
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365 | continue;
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366 | }
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367 | ret.add(data.get(row).user);
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368 | }
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369 | return ret;
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370 | }
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371 | }
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372 | }
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