Package org.geomajas.example.gwt.client.samples.mapwidget

Source Code of org.geomajas.example.gwt.client.samples.mapwidget.UnitTypesSample

/*
* This is part of Geomajas, a GIS framework, http://www.geomajas.org/.
*
* Copyright 2008-2011 Geosparc nv, http://www.geosparc.com/, Belgium.
*
* The program is available in open source according to the GNU Affero
* General Public License. All contributions in this program are covered
* by the Geomajas Contributors License Agreement. For full licensing
* details, see LICENSE.txt in the project root.
*/

package org.geomajas.example.gwt.client.samples.mapwidget;

import org.geomajas.configuration.client.UnitType;
import org.geomajas.example.gwt.client.samples.base.SamplePanel;
import org.geomajas.example.gwt.client.samples.base.SamplePanelFactory;
import org.geomajas.example.gwt.client.samples.i18n.I18nProvider;
import org.geomajas.gwt.client.controller.PanController;
import org.geomajas.gwt.client.widget.MapWidget;

import com.smartgwt.client.util.SC;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.IButton;
import com.smartgwt.client.widgets.events.ClickEvent;
import com.smartgwt.client.widgets.events.ClickHandler;
import com.smartgwt.client.widgets.layout.HLayout;
import com.smartgwt.client.widgets.layout.VLayout;

/**
* <p>
* Sample that shows how to switch between european and english units.
* </p>
*
* @author Frank Wynants
*/
public class UnitTypesSample extends SamplePanel {

  public static final String TITLE = "UnitTypes";

  public static final SamplePanelFactory FACTORY = new SamplePanelFactory() {

    public SamplePanel createPanel() {
      return new UnitTypesSample();
    }
  };

  public Canvas getViewPanel() {
    VLayout layout = new VLayout();
    layout.setWidth100();
    layout.setHeight100();
    layout.setMembersMargin(10);

    HLayout mapLayout = new HLayout();
    mapLayout.setShowEdges(true);
    mapLayout.setHeight("60%");

    // Map with ID mapOsm is defined in the XML configuration. (mapOsm.xml)
    final MapWidget map = new MapWidget("mapOsm", "gwt-samples");
    map.setController(new PanController(map));
    mapLayout.addMember(map);

    HLayout buttonLayout = new HLayout();
    buttonLayout.setMembersMargin(10);

    IButton butSwitch = new IButton(I18nProvider.getSampleMessages().switchUnitTypes());
    butSwitch.setWidth100();
    buttonLayout.addMember(butSwitch);

    butSwitch.addClickHandler(new ClickHandler() {

      public void onClick(ClickEvent event) {

        if (map.getMapModel().getMapInfo().getDisplayUnitType() == UnitType.METRIC) {
          SC.say(I18nProvider.getSampleMessages().unitTypeEnglish());
          map.getMapModel().getMapInfo().setDisplayUnitType(UnitType.ENGLISH); // set English
        } else {
          SC.say(I18nProvider.getSampleMessages().unitTypeMetric());
          map.getMapModel().getMapInfo().setDisplayUnitType(UnitType.METRIC); // set Metric
        }
        map.setScalebarEnabled(false); // force an update of the scale-bar...
        map.setScalebarEnabled(true); // force an update of the scale-bar...
      }
    });

    layout.addMember(mapLayout);
    layout.addMember(buttonLayout);

    return layout;
  }

  public String getDescription() {
    return I18nProvider.getSampleMessages().unitTypesDescription();
  }

  public String getSourceFileName() {
    return "classpath:org/geomajas/example/gwt/client/samples/mapwidget/UnitTypesSample.txt";
  }

  public String[] getConfigurationFiles() {
    return new String[] { "WEB-INF/layerOsm.xml",
        "WEB-INF/mapOsm.xml" };
  }

  public String ensureUserLoggedIn() {
    return "luc";
  }
}
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