1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.history;
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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.awt.Dimension;
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8 | import java.awt.Point;
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9 | import java.awt.Rectangle;
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10 | import java.awt.event.ActionEvent;
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11 | import java.awt.event.ItemEvent;
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12 | import java.awt.event.ItemListener;
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13 | import java.awt.event.KeyAdapter;
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14 | import java.awt.event.KeyEvent;
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15 | import java.awt.event.MouseEvent;
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16 | import java.util.Observable;
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17 | import java.util.Observer;
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18 |
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19 | import javax.swing.DefaultCellEditor;
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20 | import javax.swing.JCheckBox;
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21 | import javax.swing.JLabel;
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22 | import javax.swing.JPopupMenu;
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23 | import javax.swing.JRadioButton;
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24 | import javax.swing.JTable;
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25 | import javax.swing.SwingConstants;
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26 | import javax.swing.UIManager;
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27 | import javax.swing.event.TableModelEvent;
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28 | import javax.swing.event.TableModelListener;
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29 | import javax.swing.table.TableCellRenderer;
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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.User;
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34 | import org.openstreetmap.josm.data.osm.history.History;
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35 | import org.openstreetmap.josm.data.osm.history.HistoryOsmPrimitive;
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36 | import org.openstreetmap.josm.gui.util.GuiHelper;
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37 | import org.openstreetmap.josm.gui.widgets.PopupMenuLauncher;
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38 | import org.openstreetmap.josm.io.XmlWriter;
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39 | import org.openstreetmap.josm.tools.ImageProvider;
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40 | import org.openstreetmap.josm.tools.OpenBrowser;
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41 |
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42 | /**
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43 | * VersionTable shows a list of version in a {@link org.openstreetmap.josm.data.osm.history.History}
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44 | * of an {@link org.openstreetmap.josm.data.osm.OsmPrimitive}.
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45 | * @since 1709
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46 | */
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47 | public class VersionTable extends JTable implements Observer {
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48 | private VersionTablePopupMenu popupMenu;
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49 | private final transient HistoryBrowserModel model;
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50 |
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51 | /**
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52 | * Constructs a new {@code VersionTable}.
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53 | * @param model model used by the history browser
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54 | */
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55 | public VersionTable(HistoryBrowserModel model) {
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56 | super(model.getVersionTableModel(), new VersionTableColumnModel());
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57 | model.addObserver(this);
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58 | build();
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59 | this.model = model;
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60 | }
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61 |
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62 | protected void build() {
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63 | getTableHeader().setFont(getTableHeader().getFont().deriveFont(9f));
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64 | setRowSelectionAllowed(false);
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65 | setShowGrid(false);
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66 | setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
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67 | GuiHelper.setBackgroundReadable(this, UIManager.getColor("Button.background"));
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68 | setIntercellSpacing(new Dimension(6, 0));
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69 | putClientProperty("terminateEditOnFocusLost", Boolean.TRUE);
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70 | popupMenu = new VersionTablePopupMenu();
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71 | addMouseListener(new MouseListener());
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72 | addKeyListener(new KeyAdapter() {
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73 | @Override
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74 | public void keyReleased(KeyEvent e) {
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75 | // navigate history down/up using the corresponding arrow keys.
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76 | long ref = model.getReferencePointInTime().getVersion();
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77 | long cur = model.getCurrentPointInTime().getVersion();
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78 | if (e.getKeyCode() == KeyEvent.VK_DOWN) {
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79 | History refNext = model.getHistory().from(ref);
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80 | History curNext = model.getHistory().from(cur);
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81 | if (refNext.getNumVersions() > 1 && curNext.getNumVersions() > 1) {
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82 | model.setReferencePointInTime(refNext.sortAscending().get(1));
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83 | model.setCurrentPointInTime(curNext.sortAscending().get(1));
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84 | }
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85 | } else if (e.getKeyCode() == KeyEvent.VK_UP) {
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86 | History refNext = model.getHistory().until(ref);
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87 | History curNext = model.getHistory().until(cur);
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88 | if (refNext.getNumVersions() > 1 && curNext.getNumVersions() > 1) {
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89 | model.setReferencePointInTime(refNext.sortDescending().get(1));
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90 | model.setCurrentPointInTime(curNext.sortDescending().get(1));
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91 | }
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92 | }
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93 | }
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94 | });
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95 | getModel().addTableModelListener(new TableModelListener() {
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96 | @Override
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97 | public void tableChanged(TableModelEvent e) {
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98 | adjustColumnWidth(VersionTable.this, 0, 0);
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99 | adjustColumnWidth(VersionTable.this, 1, -8);
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100 | adjustColumnWidth(VersionTable.this, 2, -8);
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101 | adjustColumnWidth(VersionTable.this, 3, 0);
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102 | adjustColumnWidth(VersionTable.this, 4, 0);
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103 | }
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104 | });
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105 | }
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106 |
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107 | // some kind of hack to prevent the table from scrolling to the
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108 | // right when clicking on the cells
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109 | @Override
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110 | public void scrollRectToVisible(Rectangle aRect) {
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111 | super.scrollRectToVisible(new Rectangle(0, aRect.y, aRect.width, aRect.height));
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112 | }
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113 |
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114 | protected HistoryBrowserModel.VersionTableModel getVersionTableModel() {
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115 | return (HistoryBrowserModel.VersionTableModel) getModel();
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116 | }
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117 |
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118 | @Override
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119 | public void update(Observable o, Object arg) {
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120 | repaint();
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121 | }
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122 |
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123 | final class MouseListener extends PopupMenuLauncher {
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124 | private MouseListener() {
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125 | super(popupMenu);
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126 | }
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127 |
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128 | @Override
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129 | public void mousePressed(MouseEvent e) {
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130 | super.mousePressed(e);
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131 | if (!e.isPopupTrigger() && e.getButton() == MouseEvent.BUTTON1) {
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132 | int row = rowAtPoint(e.getPoint());
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133 | int col = columnAtPoint(e.getPoint());
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134 | if (row >= 0 && (col == VersionTableColumnModel.COL_DATE || col == VersionTableColumnModel.COL_USER)) {
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135 | model.getVersionTableModel().setCurrentPointInTime(row);
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136 | model.getVersionTableModel().setReferencePointInTime(Math.max(0, row - 1));
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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 | protected int checkTableSelection(JTable table, Point p) {
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143 | HistoryBrowserModel.VersionTableModel tableModel = getVersionTableModel();
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144 | int row = rowAtPoint(p);
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145 | if (row > -1 && !tableModel.isLatest(row)) {
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146 | popupMenu.prepare(tableModel.getPrimitive(row));
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147 | }
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148 | return row;
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149 | }
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150 | }
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151 |
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152 | static class ChangesetInfoAction extends AbstractInfoAction {
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153 | private transient HistoryOsmPrimitive primitive;
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154 |
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155 | /**
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156 | * Constructs a new {@code ChangesetInfoAction}.
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157 | */
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158 | ChangesetInfoAction() {
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159 | super(true);
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160 | putValue(NAME, tr("Changeset info"));
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161 | putValue(SHORT_DESCRIPTION, tr("Launch browser with information about the changeset"));
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162 | putValue(SMALL_ICON, ImageProvider.get("data/changeset"));
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163 | }
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164 |
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165 | @Override
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166 | protected String createInfoUrl(Object infoObject) {
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167 | if (infoObject instanceof HistoryOsmPrimitive) {
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168 | HistoryOsmPrimitive prim = (HistoryOsmPrimitive) infoObject;
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169 | return Main.getBaseBrowseUrl() + "/changeset/" + prim.getChangesetId();
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170 | } else {
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171 | return null;
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172 | }
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173 | }
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174 |
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175 | @Override
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176 | public void actionPerformed(ActionEvent e) {
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177 | if (!isEnabled())
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178 | return;
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179 | String url = createInfoUrl(primitive);
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180 | OpenBrowser.displayUrl(url);
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181 | }
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182 |
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183 | public void prepare(HistoryOsmPrimitive primitive) {
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184 | putValue(NAME, tr("Show changeset {0}", primitive.getChangesetId()));
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185 | this.primitive = primitive;
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186 | }
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187 | }
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188 |
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189 | static class UserInfoAction extends AbstractInfoAction {
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190 | private transient HistoryOsmPrimitive primitive;
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191 |
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192 | /**
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193 | * Constructs a new {@code UserInfoAction}.
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194 | */
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195 | UserInfoAction() {
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196 | super(true);
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197 | putValue(NAME, tr("User info"));
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198 | putValue(SHORT_DESCRIPTION, tr("Launch browser with information about the user"));
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199 | putValue(SMALL_ICON, ImageProvider.get("data/user"));
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200 | }
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201 |
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202 | @Override
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203 | protected String createInfoUrl(Object infoObject) {
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204 | if (infoObject instanceof HistoryOsmPrimitive) {
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205 | HistoryOsmPrimitive hp = (HistoryOsmPrimitive) infoObject;
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206 | return hp.getUser() == null ? null : Main.getBaseUserUrl() + '/' + hp.getUser().getName();
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207 | } else {
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208 | return null;
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209 | }
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210 | }
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211 |
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212 | @Override
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213 | public void actionPerformed(ActionEvent e) {
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214 | if (!isEnabled())
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215 | return;
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216 | String url = createInfoUrl(primitive);
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217 | OpenBrowser.displayUrl(url);
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218 | }
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219 |
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220 | public void prepare(HistoryOsmPrimitive primitive) {
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221 | final User user = primitive.getUser();
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222 | putValue(NAME, "<html>" + tr("Show user {0}", user == null ? "?" :
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223 | XmlWriter.encode(user.getName(), true) + " <font color=gray>(" + user.getId() + ")</font>") + "</html>");
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224 | this.primitive = primitive;
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225 | }
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226 | }
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227 |
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228 | static class VersionTablePopupMenu extends JPopupMenu {
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229 |
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230 | private ChangesetInfoAction changesetInfoAction;
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231 | private UserInfoAction userInfoAction;
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232 |
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233 | /**
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234 | * Constructs a new {@code VersionTablePopupMenu}.
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235 | */
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236 | VersionTablePopupMenu() {
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237 | super();
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238 | build();
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239 | }
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240 |
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241 | protected void build() {
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242 | changesetInfoAction = new ChangesetInfoAction();
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243 | add(changesetInfoAction);
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244 | userInfoAction = new UserInfoAction();
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245 | add(userInfoAction);
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246 | }
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247 |
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248 | public void prepare(HistoryOsmPrimitive primitive) {
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249 | changesetInfoAction.prepare(primitive);
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250 | userInfoAction.prepare(primitive);
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251 | invalidate();
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252 | }
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253 | }
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254 |
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255 | /**
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256 | * Renderer for history radio buttons in columns A and B.
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257 | */
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258 | public static class RadioButtonRenderer extends JRadioButton implements TableCellRenderer {
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259 |
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260 | @Override
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261 | public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus,
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262 | int row, int column) {
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263 | setSelected(value != null && (Boolean) value);
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264 | setHorizontalAlignment(SwingConstants.CENTER);
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265 | return this;
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266 | }
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267 | }
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268 |
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269 | /**
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270 | * Editor for history radio buttons in columns A and B.
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271 | */
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272 | public static class RadioButtonEditor extends DefaultCellEditor implements ItemListener {
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273 |
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274 | private final JRadioButton btn;
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275 |
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276 | /**
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277 | * Constructs a new {@code RadioButtonEditor}.
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278 | */
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279 | public RadioButtonEditor() {
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280 | super(new JCheckBox());
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281 | btn = new JRadioButton();
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282 | btn.setHorizontalAlignment(SwingConstants.CENTER);
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283 | }
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284 |
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285 | @Override
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286 | public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected, int row, int column) {
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287 | if (value == null)
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288 | return null;
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289 | boolean val = (Boolean) value;
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290 | btn.setSelected(val);
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291 | btn.addItemListener(this);
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292 | return btn;
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293 | }
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294 |
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295 | @Override
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296 | public Object getCellEditorValue() {
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297 | btn.removeItemListener(this);
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298 | return btn.isSelected();
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299 | }
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300 |
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301 | @Override
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302 | public void itemStateChanged(ItemEvent e) {
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303 | fireEditingStopped();
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304 | }
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305 | }
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306 |
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307 | /**
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308 | * Renderer for history version labels, allowing to define horizontal alignment.
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309 | */
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310 | public static class AlignedRenderer extends JLabel implements TableCellRenderer {
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311 |
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312 | /**
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313 | * Constructs a new {@code AlignedRenderer}.
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314 | * @param hAlignment Horizontal alignement. One of the following constants defined in SwingConstants:
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315 | * LEFT, CENTER (the default for image-only labels), RIGHT, LEADING (the default for text-only labels) or TRAILING
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316 | */
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317 | public AlignedRenderer(int hAlignment) {
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318 | setHorizontalAlignment(hAlignment);
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319 | }
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320 |
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321 | @Override
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322 | public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus,
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323 | int row, int column) {
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324 | String v = "";
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325 | if (value != null) {
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326 | v = value.toString();
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327 | }
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328 | setText(v);
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329 | return this;
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330 | }
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331 | }
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332 |
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333 | private static void adjustColumnWidth(JTable tbl, int col, int cellInset) {
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334 | int maxwidth = 0;
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335 |
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336 | for (int row = 0; row < tbl.getRowCount(); row++) {
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337 | TableCellRenderer tcr = tbl.getCellRenderer(row, col);
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338 | Object val = tbl.getValueAt(row, col);
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339 | Component comp = tcr.getTableCellRendererComponent(tbl, val, false, false, row, col);
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340 | maxwidth = Math.max(comp.getPreferredSize().width + cellInset, maxwidth);
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341 | }
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342 | TableCellRenderer tcr = tbl.getTableHeader().getDefaultRenderer();
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343 | Object val = tbl.getColumnModel().getColumn(col).getHeaderValue();
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344 | Component comp = tcr.getTableCellRendererComponent(tbl, val, false, false, -1, col);
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345 | maxwidth = Math.max(comp.getPreferredSize().width + Main.pref.getInteger("table.header-inset", 0), maxwidth);
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346 |
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347 | int spacing = tbl.getIntercellSpacing().width;
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348 | tbl.getColumnModel().getColumn(col).setPreferredWidth(maxwidth + spacing);
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349 | }
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350 | }
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