// License: GPL. For details, see LICENSE file.
// Author: David Earl
package org.openstreetmap.josm.actions;
import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
import static org.openstreetmap.josm.tools.I18n.tr;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import java.util.Collection;
import java.util.Collections;
import javax.swing.JOptionPane;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.data.osm.DataSet;
import org.openstreetmap.josm.data.osm.OsmPrimitive;
import org.openstreetmap.josm.gui.datatransfer.ClipboardUtils;
import org.openstreetmap.josm.gui.datatransfer.PrimitiveTransferable;
import org.openstreetmap.josm.gui.datatransfer.data.PrimitiveTransferData;
import org.openstreetmap.josm.gui.layer.OsmDataLayer;
import org.openstreetmap.josm.tools.Shortcut;
/**
* Copy OSM primitives to clipboard in order to paste them, or their tags, somewhere else.
* @since 404
*/
public class CopyAction extends JosmAction {
/**
* Constructs a new {@code CopyAction}.
*/
public CopyAction() {
super(tr("Copy"), "copy",
tr("Copy selected objects to paste buffer."),
Shortcut.registerShortcut("system:copy", tr("Edit: {0}", tr("Copy")), KeyEvent.VK_C, Shortcut.CTRL), true);
putValue("help", ht("/Action/Copy"));
// CUA shortcut for copy (https://en.wikipedia.org/wiki/IBM_Common_User_Access#Description)
Main.registerActionShortcut(this,
Shortcut.registerShortcut("system:copy:cua", tr("Edit: {0}", tr("Copy")), KeyEvent.VK_INSERT, Shortcut.CTRL));
}
@Override
public void actionPerformed(ActionEvent e) {
DataSet set = getLayerManager().getEditDataSet();
Collection<OsmPrimitive> selection = set == null ? Collections.<OsmPrimitive>emptySet() : set.getSelected();
if (selection.isEmpty()) {
showEmptySelectionWarning();
return;
}
copy(getLayerManager().getEditLayer(), selection);
}
/**
* Copies the given primitive ids to the clipboard. The output by this function
* looks similar to: node 1089302677,node 1089303458,way 93793372
* @param source The OSM data layer source
* @param primitives The OSM primitives to copy
*/
public static void copy(OsmDataLayer source, Collection<OsmPrimitive> primitives) {
// copy ids to the clipboard
ClipboardUtils.copy(new PrimitiveTransferable(PrimitiveTransferData.getDataWithReferences(primitives), source));
}
@Override
protected void updateEnabledState() {
updateEnabledStateOnCurrentSelection();
}
@Override
protected void updateEnabledState(Collection<? extends OsmPrimitive> selection) {
setEnabled(selection != null && !selection.isEmpty());
}
protected void showEmptySelectionWarning() {
JOptionPane.showMessageDialog(
Main.parent,
tr("Please select something to copy."),
tr("Information"),
JOptionPane.INFORMATION_MESSAGE
);
}
}