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