[2512] | 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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[3754] | 4 | import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
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[2512] | 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.List;
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| 11 |
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| 12 | import org.openstreetmap.josm.data.osm.DataSet;
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| 13 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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| 14 | import org.openstreetmap.josm.data.osm.visitor.MergeSourceBuildingVisitor;
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| 15 | import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
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| 16 | import org.openstreetmap.josm.gui.layer.Layer;
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| 17 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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[5233] | 18 | import org.openstreetmap.josm.gui.util.GuiHelper;
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| 19 | import org.openstreetmap.josm.tools.ImageProvider;
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[2512] | 20 | import org.openstreetmap.josm.tools.Shortcut;
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| 21 |
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| 22 | public class MergeSelectionAction extends AbstractMergeAction {
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| 23 | public MergeSelectionAction() {
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[4836] | 24 | super(tr("Merge selection"), "dialogs/mergedown", tr("Merge the currently selected objects into another layer"),
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| 25 | Shortcut.registerShortcut("system:mergeselection", tr("Edit: {0}", tr("Merge selection")),
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[4982] | 26 | KeyEvent.VK_M, Shortcut.CTRL_SHIFT),
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[4836] | 27 | true /* register */
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[2512] | 28 | );
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| 29 | putValue("help", ht("/Action/MergeSelection"));
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| 30 | }
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| 31 |
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| 32 | public void mergeSelected(DataSet source) {
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| 33 | List<Layer> targetLayers = LayerListDialog.getInstance().getModel().getPossibleMergeTargets(getEditLayer());
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| 34 | if (targetLayers.isEmpty()) {
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| 35 | warnNoTargetLayersForSourceLayer(getEditLayer());
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| 36 | return;
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| 37 | }
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| 38 | Layer targetLayer = askTargetLayer(targetLayers);
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| 39 | if (targetLayer == null)
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| 40 | return;
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[6069] | 41 | if (getEditLayer().isUploadDiscouraged() && targetLayer instanceof OsmDataLayer && !((OsmDataLayer)targetLayer).isUploadDiscouraged()
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[5360] | 42 | && getEditLayer().data.getAllSelected().size() > 1) {
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[5233] | 43 | if (warnMergingUploadDiscouragedObjects(targetLayer)) {
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| 44 | return;
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| 45 | }
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| 46 | }
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[2512] | 47 | MergeSourceBuildingVisitor builder = new MergeSourceBuildingVisitor(getEditLayer().data);
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| 48 | ((OsmDataLayer)targetLayer).mergeFrom(builder.build());
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| 49 | }
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| 50 |
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[6084] | 51 | @Override
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[2512] | 52 | public void actionPerformed(ActionEvent e) {
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[5360] | 53 | if (getEditLayer() == null || getEditLayer().data.getAllSelected().isEmpty())
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[2512] | 54 | return;
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| 55 | mergeSelected(getEditLayer().data);
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| 56 | }
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| 57 |
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| 58 | @Override
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| 59 | protected void updateEnabledState() {
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| 60 | if (getCurrentDataSet() == null) {
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| 61 | setEnabled(false);
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| 62 | } else {
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[5360] | 63 | updateEnabledState(getCurrentDataSet().getAllSelected());
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[2512] | 64 | }
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| 65 | }
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| 66 |
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| 67 | @Override
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| 68 | protected void updateEnabledState(Collection<? extends OsmPrimitive> selection) {
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| 69 | setEnabled(selection != null && !selection.isEmpty());
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| 70 | }
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[6069] | 71 |
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[5233] | 72 | /**
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| 73 | * returns true if the user wants to cancel, false if they want to continue
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| 74 | */
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| 75 | public static final boolean warnMergingUploadDiscouragedObjects(Layer targetLayer) {
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| 76 | return GuiHelper.warnUser(tr("Merging too many objects with different upload policies"),
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| 77 | "<html>" +
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| 78 | tr("You are about to merge more than 1 object between layers ''{0}'' and ''{1}''.<br /><br />"+
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| 79 | "<b>This is not the recommended way of merging such data</b>.<br />"+
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| 80 | "You should instead check and merge each object, <b>one by one</b>.<br /><br />"+
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| 81 | "Are you sure you want to continue?", getEditLayer().getName(), targetLayer.getName(), targetLayer.getName())+
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| 82 | "</html>",
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| 83 | ImageProvider.get("dialogs", "mergedown"), tr("Ignore this hint and merge anyway"));
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| 84 | }
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[2512] | 85 | }
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