001// License: GPL. For details, see LICENSE file. 002package org.openstreetmap.josm.actions; 003 004import static org.openstreetmap.josm.tools.I18n.tr; 005 006import java.awt.event.KeyEvent; 007import java.awt.geom.Path2D; 008import java.util.Collection; 009 010import javax.swing.JOptionPane; 011 012import org.openstreetmap.josm.data.osm.Node; 013import org.openstreetmap.josm.data.osm.OsmPrimitive; 014import org.openstreetmap.josm.data.osm.Way; 015import org.openstreetmap.josm.gui.MainApplication; 016import org.openstreetmap.josm.gui.PleaseWaitRunnable; 017import org.openstreetmap.josm.gui.help.HelpUtil; 018import org.openstreetmap.josm.gui.layer.gpx.DownloadAlongPanel; 019import org.openstreetmap.josm.tools.Shortcut; 020 021/** 022 * Calculate area around selected ways and split it into reasonable parts so 023 * that they can be downloaded. 024 * 025 */ 026public class DownloadAlongWayAction extends DownloadAlongAction { 027 028 private static final String PREF_DOWNLOAD_ALONG_WAY_DISTANCE = "downloadAlongWay.distance"; 029 private static final String PREF_DOWNLOAD_ALONG_WAY_AREA = "downloadAlongWay.area"; 030 031 private static final String PREF_DOWNLOAD_ALONG_WAY_OSM = "downloadAlongWay.download.osm"; 032 private static final String PREF_DOWNLOAD_ALONG_WAY_GPS = "downloadAlongWay.download.gps"; 033 034 /** 035 * Create new {@link DownloadAlongWayAction}. 036 */ 037 public DownloadAlongWayAction() { 038 super(tr("Download along..."), "download_along_way", tr("Download OSM data along the selected ways."), 039 Shortcut.registerShortcut("file:download_along", tr("File: {0}", tr("Download Along")), 040 KeyEvent.VK_D, Shortcut.ALT_SHIFT), true); 041 } 042 043 @Override 044 protected PleaseWaitRunnable createTask() { 045 Collection<Way> selectedWays = getLayerManager().getEditDataSet().getSelectedWays(); 046 047 if (selectedWays.isEmpty()) { 048 JOptionPane.showMessageDialog(MainApplication.getMainFrame(), tr("Please select 1 or more ways to download along")); 049 return null; 050 } 051 052 final DownloadAlongPanel panel = new DownloadAlongPanel( 053 PREF_DOWNLOAD_ALONG_WAY_OSM, PREF_DOWNLOAD_ALONG_WAY_GPS, 054 PREF_DOWNLOAD_ALONG_WAY_DISTANCE, PREF_DOWNLOAD_ALONG_WAY_AREA, null); 055 056 if (0 != panel.showInDownloadDialog(tr("Download from OSM along selected ways"), HelpUtil.ht("/Tools/DownloadAlong"))) { 057 return null; 058 } 059 060 // Convert OSM ways to Path2D 061 Path2D alongPath = new Path2D.Double(); 062 for (Way way : selectedWays) { 063 boolean first = true; 064 for (Node p : way.getNodes()) { 065 if (first) { 066 alongPath.moveTo(p.lon(), p.lat()); 067 first = false; 068 } else { 069 alongPath.lineTo(p.lon(), p.lat()); 070 } 071 } 072 } 073 return createCalcTask(alongPath, panel, tr("Download from OSM along selected ways")); 074 075 } 076 077 @Override 078 protected void updateEnabledState() { 079 if (getLayerManager().getEditDataSet() == null) { 080 setEnabled(false); 081 } else { 082 updateEnabledState(getLayerManager().getEditDataSet().getSelected()); 083 } 084 } 085 086 @Override 087 protected void updateEnabledState(Collection<? extends OsmPrimitive> selection) { 088 setEnabled(selection.stream().anyMatch(Way.class::isInstance)); 089 } 090}