[9369] | 1 | // License: GPL. For details, see LICENSE file.
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| 2 | package org.openstreetmap.josm.gui.datatransfer;
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| 3 |
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| 4 | import java.awt.datatransfer.DataFlavor;
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| 5 | import java.awt.datatransfer.Transferable;
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| 6 | import java.awt.datatransfer.UnsupportedFlavorException;
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| 7 | import java.util.ArrayList;
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[10604] | 8 | import java.util.Arrays;
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| 9 | import java.util.List;
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[9369] | 10 |
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[10604] | 11 | import org.openstreetmap.josm.data.osm.OsmPrimitiveType;
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[9369] | 12 | import org.openstreetmap.josm.data.osm.PrimitiveData;
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[10605] | 13 | import org.openstreetmap.josm.gui.datatransfer.data.OsmLayerTransferData;
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[10737] | 14 | import org.openstreetmap.josm.gui.datatransfer.data.PrimitiveTagTransferData;
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[10604] | 15 | import org.openstreetmap.josm.gui.datatransfer.data.PrimitiveTransferData;
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| 16 | import org.openstreetmap.josm.gui.datatransfer.data.TagTransferData;
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[10605] | 17 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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[9369] | 18 |
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[9563] | 19 | /**
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[10604] | 20 | * Transferable objects for {@link PrimitiveTransferData} objects
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[9563] | 21 | * @since 9369
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[10604] | 22 | * @since 10604 Complete rework
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[9563] | 23 | */
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[9369] | 24 | public class PrimitiveTransferable implements Transferable {
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| 25 |
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[9563] | 26 | /**
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[10604] | 27 | * The flavors that are available for normal primitives.
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[9563] | 28 | */
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[10604] | 29 | private static final List<DataFlavor> PRIMITIVE_FLAVORS = Arrays.asList(PrimitiveTransferData.DATA_FLAVOR,
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| 30 | TagTransferData.FLAVOR, DataFlavor.stringFlavor);
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| 31 | private final PrimitiveTransferData primitives;
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[10605] | 32 | private OsmDataLayer sourceLayer;
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[9711] | 33 |
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| 34 | /**
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[9563] | 35 | * Constructs a new {@code PrimitiveTransferable}.
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| 36 | * @param primitives collection of OSM primitives
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| 37 | */
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[10604] | 38 | public PrimitiveTransferable(PrimitiveTransferData primitives) {
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[10605] | 39 | this(primitives, null);
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| 40 | }
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| 41 |
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| 42 | /**
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| 43 | * Constructs a new {@code PrimitiveTransferable}.
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| 44 | * @param primitives collection of OSM primitives
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| 45 | * @param sourceLayer The layer the primitives are copied from
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| 46 | */
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| 47 | public PrimitiveTransferable(PrimitiveTransferData primitives, OsmDataLayer sourceLayer) {
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[9563] | 48 | this.primitives = primitives;
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[10605] | 49 | this.sourceLayer = sourceLayer;
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[9369] | 50 | }
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| 51 |
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| 52 | @Override
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| 53 | public DataFlavor[] getTransferDataFlavors() {
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[10604] | 54 | ArrayList<DataFlavor> flavors = new ArrayList<>(PRIMITIVE_FLAVORS);
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[10605] | 55 | if (sourceLayer != null) {
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| 56 | flavors.addAll(OsmLayerTransferData.FLAVORS);
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| 57 | }
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[10604] | 58 | return flavors.toArray(new DataFlavor[flavors.size()]);
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[9369] | 59 | }
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| 60 |
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| 61 | @Override
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| 62 | public boolean isDataFlavorSupported(DataFlavor flavor) {
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[10604] | 63 | DataFlavor[] flavors = getTransferDataFlavors();
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| 64 | for (DataFlavor f : flavors) {
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| 65 | if (flavor.equals(f)) {
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| 66 | return true;
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| 67 | }
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| 68 | }
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| 69 | return false;
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[9369] | 70 | }
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| 71 |
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| 72 | @Override
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| 73 | public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException {
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| 74 | if (DataFlavor.stringFlavor.equals(flavor)) {
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| 75 | return getStringData();
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[10604] | 76 | } else if (PrimitiveTransferData.DATA_FLAVOR.equals(flavor)) {
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| 77 | return primitives;
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[10737] | 78 | } else if (PrimitiveTagTransferData.FLAVOR.equals(flavor)) {
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| 79 | return new PrimitiveTagTransferData(primitives);
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[10604] | 80 | } else if (TagTransferData.FLAVOR.equals(flavor)) {
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| 81 | return new TagTransferData(primitives.getDirectlyAdded());
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[10605] | 82 | } else if (sourceLayer != null && OsmLayerTransferData.FLAVORS.contains(flavor)) {
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| 83 | return new OsmLayerTransferData(null, sourceLayer);
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[10604] | 84 | } else {
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| 85 | throw new UnsupportedFlavorException(flavor);
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[9369] | 86 | }
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| 87 | }
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| 88 |
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| 89 | protected String getStringData() {
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| 90 | final StringBuilder sb = new StringBuilder();
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[10812] | 91 | for (PrimitiveData primitive : primitives.getDirectlyAdded()) {
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[10604] | 92 | if (sb.length() > 0) {
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| 93 | sb.append("\n");
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| 94 | }
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| 95 | sb.append(OsmPrimitiveType.from(primitive).getAPIName()).append(' ').append(primitive.getId());
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[9369] | 96 | }
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| 97 | return sb.toString().replace("\u200E", "").replace("\u200F", "");
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| 98 | }
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| 99 | }
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