/*
* 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.controller;
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.AbstractGraphicsController;
import org.geomajas.gwt.client.controller.GraphicsController;
import org.geomajas.gwt.client.gfx.GraphicsContext;
import org.geomajas.gwt.client.gfx.style.ShapeStyle;
import org.geomajas.gwt.client.map.event.MapModelEvent;
import org.geomajas.gwt.client.map.event.MapModelHandler;
import org.geomajas.gwt.client.spatial.Bbox;
import org.geomajas.gwt.client.widget.MapWidget;
import org.geomajas.gwt.client.widget.MapWidget.RenderGroup;
import com.google.gwt.event.dom.client.MouseDownEvent;
import com.google.gwt.event.dom.client.MouseOutEvent;
import com.google.gwt.event.dom.client.MouseOverEvent;
import com.google.gwt.event.dom.client.MouseUpEvent;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.layout.VLayout;
/**
* <p>
* Sample that shows how to add a customer controller to the map that can be dragged around by the user.
* </p>
*
* @author Frank Wynants
* @author Pieter De Graef
*/
public class ControllerOnElementSample extends SamplePanel {
public static final String TITLE = "ControllerOnElement";
public static final SamplePanelFactory FACTORY = new SamplePanelFactory() {
public SamplePanel createPanel() {
return new ControllerOnElementSample();
}
};
public Canvas getViewPanel() {
// Drawing information:
final Bbox rectangle = new Bbox(100, 100, 300, 100);
final ShapeStyle style = new ShapeStyle("#66AA00", 0.7f, "#667700", 0.8f, 3);
final ShapeStyle hoverStyle = new ShapeStyle("#66AA00", 0.5f, "#667700", 0.7f, 3);
VLayout layout = new VLayout();
layout.setWidth100();
layout.setHeight100();
// Map with ID wmsMap is defined in the XML configuration. (mapWms.xml)
final MapWidget map = new MapWidget("mapOsm", "gwt-samples");
// Create the custom controller:
final GraphicsController customController = new AbstractGraphicsController(map) {
public void onMouseOver(MouseOverEvent event) {
// When the mouse hovers over the image, make it transparent:
map.getVectorContext().drawRectangle(map.getGroup(RenderGroup.SCREEN), "rectangle", rectangle,
hoverStyle);
}
public void onMouseOut(MouseOutEvent event) {
// When the mouse moves away from the image, make it visible again:
map.getVectorContext().drawRectangle(map.getGroup(RenderGroup.SCREEN), "rectangle", rectangle, style);
}
public void onMouseDown(MouseDownEvent event) {
map.getVectorContext().drawRectangle(map.getGroup(RenderGroup.SCREEN), "rectangle", rectangle,
new ShapeStyle("#AA0000", 0.8f, "#990000", 1.0f, 3));
}
public void onMouseUp(MouseUpEvent event) {
map.getVectorContext().drawRectangle(map.getGroup(RenderGroup.SCREEN), "rectangle", rectangle,
hoverStyle);
}
};
// After map initialization we draw an image on the map:
map.getMapModel().addMapModelHandler(new MapModelHandler() {
public void onMapModelChange(MapModelEvent event) {
GraphicsContext graphics = map.getVectorContext();
graphics.drawRectangle(map.getGroup(RenderGroup.SCREEN), "rectangle", rectangle, style);
map.getVectorContext().setController(map.getGroup(RenderGroup.SCREEN), "rectangle", customController);
}
});
layout.addMember(map);
return layout;
}
public String getDescription() {
return I18nProvider.getSampleMessages().controllerOnElementDescription();
}
public String getSourceFileName() {
return "classpath:org/geomajas/example/gwt/client/samples/controller/ControllerOnElementSample.txt";
}
public String[] getConfigurationFiles() {
return new String[] { "WEB-INF/layerOsm.xml", "WEB-INF/mapOsm.xml" };
}
public String ensureUserLoggedIn() {
return "luc";
}
}