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

Source Code of org.geomajas.example.gwt.client.samples.layertree.LayerOrderSample

/*
* 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.layertree;

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.map.layer.VectorLayer;
import org.geomajas.gwt.client.widget.MapWidget;

import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.HTMLFlow;
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 allows the user to change the layer order.
* </p>
*
* @author Pieter De Graef
*/
public class LayerOrderSample extends SamplePanel {

  public static final String TITLE = "LAYERORDER";

  public static final SamplePanelFactory FACTORY = new SamplePanelFactory() {

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

  public Canvas getViewPanel() {
    VLayout mainLayout = new VLayout();
    mainLayout.setWidth100();
    mainLayout.setHeight100();

    // Build a map, and set a PanController:
    VLayout mapLayout = new VLayout();
    mapLayout.setShowEdges(true);
    final MapWidget map = new MapWidget("mapLegend", "gwt-samples");
    map.setController(new PanController(map));
    mapLayout.addMember(map);

    // Layer order panel:
    VLayout orderLayout = new VLayout(10);
    orderLayout.setHeight(80);
    orderLayout.setShowEdges(true);

    orderLayout.addMember(new HTMLFlow(I18nProvider.getSampleMessages().layerOrderTxt()));

    HLayout buttonLayout = new HLayout(5);
    buttonLayout.setPadding(10);

    IButton upButton = new IButton(I18nProvider.getSampleMessages().layerOrderUpBtn());
    upButton.setWidth(150);
    upButton.addClickHandler(new ClickHandler() {

      public void onClick(ClickEvent event) {
        VectorLayer layer = (VectorLayer) map.getMapModel().getLayer("clientLayerCountries110m");
        map.getMapModel().moveVectorLayerUp(layer);
      }
    });
    buttonLayout.addMember(upButton);
    IButton downutton = new IButton(I18nProvider.getSampleMessages().layerOrderDownBtn());
    downutton.setWidth(150);
    downutton.addClickHandler(new ClickHandler() {

      public void onClick(ClickEvent event) {
        VectorLayer layer = (VectorLayer) map.getMapModel().getLayer("clientLayerCountries110m");
        map.getMapModel().moveVectorLayerDown(layer);
      }
    });
    buttonLayout.addMember(downutton);
    orderLayout.addMember(buttonLayout);
    orderLayout.setShowResizeBar(true);

    // Add both to the main layout:
    mainLayout.addMember(orderLayout);
    mainLayout.addMember(mapLayout);

    return mainLayout;
  }

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

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

  public String[] getConfigurationFiles() {
    return new String[] { "WEB-INF/mapLegend.xml", "WEB-INF/layerLakes110m.xml",
        "WEB-INF/layerRivers50m.xml", "WEB-INF/layerPopulatedPlaces110m.xml",
        "WEB-INF/layerWmsBluemarble.xml" };
  }

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