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.io.IOException;
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8 | import java.util.Map.Entry;
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9 | import java.util.stream.Stream;
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10 |
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11 | import org.openstreetmap.josm.gui.datatransfer.data.TagTransferData;
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12 |
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13 | /**
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14 | * This is a transferable that only transfers the tags.
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15 | * @author Michael Zangl
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16 | * @since 10637
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17 | */
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18 | public class TagTransferable implements Transferable {
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19 | private final TagTransferData data;
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20 |
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21 | /**
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22 | * Transfer the tag transfer data.
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23 | * @param data The data.
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24 | */
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25 | public TagTransferable(TagTransferData data) {
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26 | this.data = data;
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27 | }
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28 |
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29 | @Override
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30 | public DataFlavor[] getTransferDataFlavors() {
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31 | return new DataFlavor[] {TagTransferData.FLAVOR, DataFlavor.stringFlavor};
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32 | }
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33 |
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34 | @Override
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35 | public boolean isDataFlavorSupported(DataFlavor flavor) {
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36 | return Stream.of(getTransferDataFlavors()).anyMatch(f -> f.equals(flavor));
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37 | }
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38 |
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39 | @Override
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40 | public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException {
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41 | if (DataFlavor.stringFlavor.equals(flavor)) {
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42 | return getStringData();
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43 | } else if (TagTransferData.FLAVOR.equals(flavor)) {
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44 | return data;
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45 | } else {
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46 | throw new UnsupportedFlavorException(flavor);
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47 | }
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48 | }
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49 |
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50 | private String getStringData() {
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51 | StringBuilder string = new StringBuilder();
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52 | for (Entry<String, String> e : data.getTags().entrySet()) {
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53 | if (string.length() > 0) {
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54 | string.append('\n');
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55 | }
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56 | string.append(e.getKey());
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57 | string.append('=');
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58 | string.append(e.getValue());
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59 | }
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60 | return string.toString();
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61 | }
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62 | }
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