OpenPageAction.java

// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.plugins.utilsplugin2.customurl;

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.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.Collection;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.actions.JosmAction;
import org.openstreetmap.josm.data.coor.LatLon;
import org.openstreetmap.josm.data.osm.OsmPrimitive;
import org.openstreetmap.josm.data.osm.OsmPrimitiveType;
import org.openstreetmap.josm.tools.OpenBrowser;
import org.openstreetmap.josm.tools.OsmUrlToBounds;
import org.openstreetmap.josm.tools.Shortcut;

/**
 * Mirror the selected ways nodes or ways along line given by two first selected points
 *
 * Note: If a ways are selected, their nodes are mirrored
 *
 * @author Alexei Kasatkin, based on much copy&Paste from other MirrorAction :)
 */
public final class OpenPageAction extends JosmAction {

    public OpenPageAction() {
        super(tr("Open custom URL"), "openurl",
                tr("Opens specified URL browser"),
                Shortcut.registerShortcut("tools:openurl", tr("Tool: {0}", tr("Open custom URL")),
                        KeyEvent.VK_H, Shortcut.SHIFT), true);
        putValue("help", ht("/Action/OpenPage"));
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        Collection<OsmPrimitive> sel = getLayerManager().getEditDataSet().getSelected();
        OsmPrimitive p = null;
        if (sel.size() >= 1) {
            p = sel.iterator().next();
        }

        if (Main.pref.getBoolean("utilsplugin2.askurl", false) == true)
            ChooseURLAction.showConfigDialog(true);

        LatLon center = Main.map.mapView.getLatLon(Main.map.mapView.getWidth()/2, Main.map.mapView.getHeight()/2);

        String addr = URLList.getSelectedURL();
        Pattern pat = Pattern.compile("\\{([^\\}]*)\\}");
        Matcher m = pat.matcher(addr);
        String val, key;
        String[] keys = new String[100], vals = new String[100];
        int i = 0;
        try {
            while (m.find()) {
                key = m.group(1); val = null;
                if (key.equals("#id")) {
                    if (p != null) val = Long.toString(p.getId());
                } else if (key.equals("#type")) {
                    if (p != null) val = OsmPrimitiveType.from(p).getAPIName();
                } else if (key.equals("#lat")) {
                    val = Double.toString(center.lat());
                } else if (key.equals("#lon")) {
                    val = Double.toString(center.lon());
                } else if (key.equals("#zoom")) {
                    val = Integer.toString(OsmUrlToBounds.getZoom(Main.map.mapView.getRealBounds()));
                } else {
                    if (p != null) {
                        val = p.get(key);
                        if (val != null) val = URLEncoder.encode(p.get(key), "UTF-8"); else return;
                    }
                }
                keys[i] = m.group();
                if (val != null) vals[i] = val;
                else vals[i] = "";
                i++;
            }
        } catch (UnsupportedEncodingException ex) {
            Main.error(ex, "Encoding error");
            return;
        }
        for (int j = 0; j < i; j++) {
            addr = addr.replace(keys[j], vals[j]);
        }
        try {
            OpenBrowser.displayUrl(addr);
        } catch (Exception ex) {
            Main.error(ex, "Can not open URL " + addr);
        }
    }

    @Override
    protected void updateEnabledState() {
        setEnabled(getLayerManager().getEditDataSet() != null);
    }
}