| 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.event.ActionEvent;
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| 8 | import java.awt.event.MouseEvent;
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| 9 | import java.text.SimpleDateFormat;
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| 10 | import java.util.Observable;
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| 11 | import java.util.Observer;
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| 12 |
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| 13 | import javax.swing.JLabel;
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| 14 | import javax.swing.JPanel;
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| 15 |
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| 16 | import org.openstreetmap.josm.actions.AbstractInfoAction;
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| 17 | import org.openstreetmap.josm.data.osm.history.HistoryOsmPrimitive;
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| 18 | import org.openstreetmap.josm.tools.ImageProvider;
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| 19 |
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| 20 | /**
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| 21 | * VersionInfoPanel is an UI component which displays the basic properties of a version
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| 22 | * of a {@see OsmPrimitive}.
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| 23 | *
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| 24 | */
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| 25 | public class VersionInfoPanel extends JPanel implements Observer{
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| 26 |
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| 27 | private PointInTimeType pointInTimeType;
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| 28 | private HistoryBrowserModel model;
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| 29 | private JLabel lblInfo;
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| 30 |
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| 31 | protected void build() {
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| 32 | setLayout(new BorderLayout());
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| 33 | lblInfo = new JLabel();
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| 34 | lblInfo.setHorizontalAlignment(JLabel.LEFT);
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| 35 | add(lblInfo, BorderLayout.CENTER);
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| 36 | }
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| 37 |
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| 38 | protected HistoryOsmPrimitive getPrimitive() {
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| 39 | if (model == null || pointInTimeType == null)
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| 40 | return null;
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| 41 | return model.getPointInTime(pointInTimeType);
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| 42 | }
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| 43 |
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| 44 | protected String getInfoText() {
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| 45 | HistoryOsmPrimitive primitive = getPrimitive();
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| 46 | if (primitive == null)
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| 47 | return "";
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| 48 | String url = AbstractInfoAction.getBaseBrowseUrl() + "/changeset/" + primitive.getChangesetId();
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| 49 | String text = tr(
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| 50 | "<html>Version <strong>{0}</strong> created on <strong>{1}</strong> by <strong>{2}</strong> in changeset <strong>{3}</strong>",
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| 51 | Long.toString(primitive.getVersion()),
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| 52 | new SimpleDateFormat().format(primitive.getTimestamp()),
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| 53 | primitive.getUser(),
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| 54 | primitive.getChangesetId()
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| 55 | );
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| 56 | return text;
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| 57 | }
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| 58 |
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| 59 | public VersionInfoPanel() {
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| 60 | pointInTimeType = null;
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| 61 | model = null;
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| 62 | build();
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| 63 | }
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| 64 |
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| 65 | /**
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| 66 | * constructor
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| 67 | *
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| 68 | * @param model the model (must not be null)
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| 69 | * @param pointInTimeType the point in time this panel visualizes (must not be null)
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| 70 | * @exception IllegalArgumentException thrown, if model is null
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| 71 | * @exception IllegalArgumentException thrown, if pointInTimeType is null
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| 72 | *
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| 73 | */
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| 74 | public VersionInfoPanel(HistoryBrowserModel model, PointInTimeType pointInTimeType) throws IllegalArgumentException {
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| 75 | if (pointInTimeType == null)
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| 76 | throw new IllegalArgumentException(tr("parameter ''{0}'' must not be null", "pointInTimeType"));
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| 77 | if (model == null)
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| 78 | throw new IllegalArgumentException(tr("parameter ''{0}'' must not be null", "model"));
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| 79 |
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| 80 | this.model = model;
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| 81 | this.pointInTimeType = pointInTimeType;
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| 82 | model.addObserver(this);
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| 83 | build();
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| 84 | }
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| 85 |
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| 86 | public void update(Observable o, Object arg) {
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| 87 | lblInfo.setText(getInfoText());
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| 88 | }
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| 89 | }
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