| 1 | // License: GPL. For details, see LICENSE file.
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| 2 | package org.openstreetmap.josm.actions;
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| 3 |
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| 4 | import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
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| 5 | import static org.openstreetmap.josm.tools.I18n.tr;
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| 6 |
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| 7 | import java.awt.event.ActionEvent;
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| 8 | import java.awt.event.KeyEvent;
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| 9 | import java.util.Collection;
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| 10 | import java.util.Collections;
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| 11 | import java.util.List;
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| 12 |
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| 13 | import org.openstreetmap.josm.Main;
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| 14 | import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
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| 15 | import org.openstreetmap.josm.gui.layer.Layer;
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| 16 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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| 17 | import org.openstreetmap.josm.gui.util.GuiHelper;
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| 18 | import org.openstreetmap.josm.tools.ImageProvider;
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| 19 | import org.openstreetmap.josm.tools.Shortcut;
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| 20 |
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| 21 | public class MergeLayerAction extends AbstractMergeAction {
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| 22 |
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| 23 | public MergeLayerAction() {
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| 24 | super(tr("Merge layer"), "dialogs/mergedown",
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| 25 | tr("Merge the current layer into another layer"),
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| 26 | Shortcut.registerShortcut("system:merge", tr("Edit: {0}",
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| 27 | tr("Merge")), KeyEvent.VK_M, Shortcut.CTRL),
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| 28 | true, "action/mergelayer", true);
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| 29 | putValue("help", ht("/Action/MergeLayer"));
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| 30 | }
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| 31 |
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| 32 | protected void doMerge(List<Layer> targetLayers, final Collection<Layer> sourceLayers) {
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| 33 | final Layer targetLayer = askTargetLayer(targetLayers);
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| 34 | if (targetLayer == null)
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| 35 | return;
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| 36 | Main.worker.submit(new Runnable() {
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| 37 | @Override
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| 38 | public void run() {
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| 39 | boolean layerMerged = false;
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| 40 | for (Layer sourceLayer: sourceLayers) {
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| 41 | if (sourceLayer != null && sourceLayer != targetLayer) {
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| 42 | if (sourceLayer instanceof OsmDataLayer && targetLayer instanceof OsmDataLayer
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| 43 | && ((OsmDataLayer)sourceLayer).isUploadDiscouraged() != ((OsmDataLayer)targetLayer).isUploadDiscouraged()) {
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| 44 | if (warnMergingUploadDiscouragedLayers(sourceLayer, targetLayer)) {
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| 45 | break;
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| 46 | }
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| 47 | }
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| 48 | targetLayer.mergeFrom(sourceLayer);
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| 49 | Main.main.removeLayer(sourceLayer);
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| 50 | layerMerged = true;
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| 51 | }
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| 52 | }
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| 53 | if (layerMerged) {
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| 54 | Main.map.mapView.setActiveLayer(targetLayer);
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| 55 | }
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| 56 | }
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| 57 | });
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| 58 | }
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| 59 |
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| 60 | public void merge(List<Layer> sourceLayers) {
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| 61 | doMerge(sourceLayers, sourceLayers);
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| 62 | }
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| 63 |
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| 64 | public void merge(Layer sourceLayer) {
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| 65 | if (sourceLayer == null)
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| 66 | return;
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| 67 | List<Layer> targetLayers = LayerListDialog.getInstance().getModel().getPossibleMergeTargets(sourceLayer);
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| 68 | if (targetLayers.isEmpty()) {
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| 69 | warnNoTargetLayersForSourceLayer(sourceLayer);
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| 70 | return;
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| 71 | }
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| 72 | doMerge(targetLayers, Collections.singleton(sourceLayer));
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| 73 | }
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| 74 |
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| 75 | public void actionPerformed(ActionEvent e) {
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| 76 | Layer sourceLayer = Main.main.getEditLayer();
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| 77 | if (sourceLayer == null)
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| 78 | return;
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| 79 | merge(sourceLayer);
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| 80 | }
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| 81 |
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| 82 | @Override
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| 83 | protected void updateEnabledState() {
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| 84 | GuiHelper.runInEDT(new Runnable() {
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| 85 | @Override
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| 86 | public void run() {
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| 87 | if (getEditLayer() == null) {
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| 88 | setEnabled(false);
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| 89 | return;
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| 90 | }
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| 91 | setEnabled(!LayerListDialog.getInstance().getModel().getPossibleMergeTargets(getEditLayer()).isEmpty());
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| 92 | }
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| 93 | });
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| 94 | }
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| 95 |
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| 96 | /**
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| 97 | * returns true if the user wants to cancel, false if they want to continue
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| 98 | */
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| 99 | public static final boolean warnMergingUploadDiscouragedLayers(Layer sourceLayer, Layer targetLayer) {
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| 100 | return GuiHelper.warnUser(tr("Merging layers with different upload policies"),
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| 101 | "<html>" +
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| 102 | tr("You are about to merge data between layers ''{0}'' and ''{1}''.<br /><br />"+
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| 103 | "These layers have different upload policies and should not been merged as it.<br />"+
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| 104 | "Merging them will result to enforce the stricter policy (upload discouraged) to ''{1}''.<br /><br />"+
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| 105 | "<b>This is not the recommended way of merging such data</b>.<br />"+
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| 106 | "You should instead check and merge each object, one by one, by using ''<i>Merge selection</i>''.<br /><br />"+
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| 107 | "Are you sure you want to continue?", sourceLayer.getName(), targetLayer.getName(), targetLayer.getName())+
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| 108 | "</html>",
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| 109 | ImageProvider.get("dialogs", "mergedown"), tr("Ignore this hint and merge anyway"));
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| 110 | }
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| 111 | }
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