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.BorderLayout;
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7 | import java.awt.FlowLayout;
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8 | import java.awt.GridBagConstraints;
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9 | import java.awt.GridBagLayout;
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10 | import java.io.UnsupportedEncodingException;
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11 | import java.net.URLEncoder;
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12 | import java.text.SimpleDateFormat;
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13 | import java.util.Observable;
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14 | import java.util.Observer;
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15 | import java.util.logging.Logger;
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16 |
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17 | import javax.swing.JLabel;
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18 | import javax.swing.JPanel;
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19 |
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20 | import org.openstreetmap.josm.Main;
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21 | import org.openstreetmap.josm.actions.AbstractInfoAction;
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22 | import org.openstreetmap.josm.data.osm.history.HistoryOsmPrimitive;
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23 | import org.openstreetmap.josm.gui.JMultilineLabel;
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24 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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25 | import org.openstreetmap.josm.tools.CheckParameterUtil;
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26 | import org.openstreetmap.josm.tools.UrlLabel;
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27 |
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28 | /**
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29 | * VersionInfoPanel is an UI component which displays the basic properties of a version
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30 | * of a {@see OsmPrimitive}.
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31 | *
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32 | */
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33 | public class VersionInfoPanel extends JPanel implements Observer{
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34 | @SuppressWarnings("unused")
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35 | static private final Logger logger = Logger.getLogger(VersionInfoPanel.class.getName());
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36 |
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37 | private PointInTimeType pointInTimeType;
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38 | private HistoryBrowserModel model;
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39 | private JMultilineLabel lblInfo;
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40 | private UrlLabel lblUser;
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41 | private UrlLabel lblChangeset;
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42 | private JPanel pnlUserAndChangeset;
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43 |
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44 | protected void build() {
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45 | JPanel pnl1 = new JPanel();
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46 | pnl1.setLayout(new BorderLayout());
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47 | lblInfo = new JMultilineLabel("");
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48 | //lblInfo.setHorizontalAlignment(JLabel.LEFT);
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49 | pnl1.add(lblInfo, BorderLayout.CENTER);
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50 |
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51 | pnlUserAndChangeset = new JPanel();
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52 | pnlUserAndChangeset.setLayout(new FlowLayout(FlowLayout.LEFT));
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53 | lblUser = new UrlLabel();
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54 | pnlUserAndChangeset.add(new JLabel(tr("User")));
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55 | pnlUserAndChangeset.add(lblUser);
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56 | pnlUserAndChangeset.add(new JLabel(tr("Changeset")));
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57 | lblChangeset = new UrlLabel();
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58 | pnlUserAndChangeset.add(lblChangeset);
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59 |
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60 | setLayout(new GridBagLayout());
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61 | GridBagConstraints gc = new GridBagConstraints();
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62 | gc.anchor = GridBagConstraints.NORTHWEST;
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63 | gc.fill = GridBagConstraints.HORIZONTAL;
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64 | gc.weightx = 1.0;
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65 | gc.weighty = 1.0;
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66 | add(pnl1, gc);
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67 | gc.gridy = 1;
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68 | gc.weighty = 0.0;
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69 | add(pnlUserAndChangeset, gc);
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70 | }
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71 |
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72 | protected HistoryOsmPrimitive getPrimitive() {
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73 | if (model == null || pointInTimeType == null)
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74 | return null;
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75 | return model.getPointInTime(pointInTimeType);
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76 | }
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77 |
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78 | protected OsmDataLayer getEditLayer() {
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79 | try {
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80 | return Main.map.mapView.getEditLayer();
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81 | } catch(NullPointerException e) {
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82 | return null;
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83 | }
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84 | }
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85 |
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86 | protected String getInfoText() {
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87 | HistoryOsmPrimitive primitive = getPrimitive();
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88 | if (primitive == null)
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89 | return "";
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90 | String text;
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91 | if (model.isLatest(primitive)) {
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92 | text = tr("<html>Version <strong>{0}</strong> currently edited in layer ''{1}''</html>",
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93 | Long.toString(primitive.getVersion()),
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94 | getEditLayer() == null ? tr("unknown") : getEditLayer().getName()
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95 | );
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96 | } else {
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97 | text = tr(
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98 | "<html>Version <strong>{0}</strong> created on <strong>{1}</strong></html>",
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99 | Long.toString(primitive.getVersion()),
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100 | new SimpleDateFormat().format(primitive.getTimestamp())
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101 | );
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102 | }
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103 | return text;
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104 | }
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105 |
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106 | public VersionInfoPanel() {
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107 | pointInTimeType = null;
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108 | model = null;
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109 | build();
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110 | }
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111 |
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112 | /**
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113 | * constructor
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114 | *
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115 | * @param model the model (must not be null)
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116 | * @param pointInTimeType the point in time this panel visualizes (must not be null)
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117 | * @exception IllegalArgumentException thrown, if model is null
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118 | * @exception IllegalArgumentException thrown, if pointInTimeType is null
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119 | *
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120 | */
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121 | public VersionInfoPanel(HistoryBrowserModel model, PointInTimeType pointInTimeType) throws IllegalArgumentException {
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122 | CheckParameterUtil.ensureParameterNotNull(pointInTimeType, "pointInTimeType");
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123 | CheckParameterUtil.ensureParameterNotNull(model, "model");
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124 |
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125 | this.model = model;
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126 | this.pointInTimeType = pointInTimeType;
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127 | model.addObserver(this);
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128 | build();
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129 | }
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130 |
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131 | public void update(Observable o, Object arg) {
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132 | lblInfo.setText(getInfoText());
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133 |
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134 | if (!model.isLatest(getPrimitive())) {
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135 | String url = AbstractInfoAction.getBaseBrowseUrl() + "/changeset/" + getPrimitive().getChangesetId();
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136 | lblChangeset.setUrl(url);
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137 | lblChangeset.setDescription(Long.toString(getPrimitive().getChangesetId()));
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138 |
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139 | try {
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140 | if (getPrimitive().getUid() != -1) {
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141 | url = AbstractInfoAction.getBaseUserUrl() + "/" + URLEncoder.encode(getPrimitive().getUser(), "UTF-8").replaceAll("\\+", "%20");
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142 | lblUser.setUrl(url);
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143 | } else {
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144 | lblUser.setUrl(null);
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145 | }
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146 | } catch(UnsupportedEncodingException e) {
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147 | e.printStackTrace();
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148 | lblUser.setUrl(null);
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149 | }
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150 | String username = getPrimitive().getUser();
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151 | lblUser.setDescription(username);
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152 | } else {
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153 | String user = Main.pref.get("osm-server.username");
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154 | if (user == null) {
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155 | lblUser.setDescription(tr("anonymous"));
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156 | } else {
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157 | try {
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158 | String url = AbstractInfoAction.getBaseUserUrl() + "/" + URLEncoder.encode(user, "UTF-8").replaceAll("\\+", "%20");
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159 | lblUser.setUrl(url);
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160 | } catch(UnsupportedEncodingException e) {
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161 | e.printStackTrace();
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162 | lblUser.setUrl(null);
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163 | }
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164 | lblUser.setDescription(user);
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165 | }
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166 | lblChangeset.setDescription(tr("none"));
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167 | lblChangeset.setUrl(null);
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168 | }
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169 | }
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170 | }
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