/*
* 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.puregwt.client.rendering;
import org.geomajas.puregwt.client.ContentPanel;
import org.geomajas.puregwt.client.map.MapPresenter;
import org.geomajas.puregwt.client.map.event.MapInitializationEvent;
import org.geomajas.puregwt.client.map.event.MapInitializationHandler;
import org.geomajas.puregwt.client.map.gfx.ScreenContainer;
import org.vaadin.gwtgraphics.client.shape.Circle;
import org.vaadin.gwtgraphics.client.shape.Path;
import org.vaadin.gwtgraphics.client.shape.Rectangle;
import org.vaadin.gwtgraphics.client.shape.Text;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.DecoratorPanel;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;
/**
* ContentPanel that demonstrates rendering abilities in screen space.
*
* @author Pieter De Graef
*/
public class ScreenSpaceRenderingPanel extends ContentPanel {
private MapPresenter mapPresenter;
private ScreenContainer container;
public String getTitle() {
return "Drawing in screen space";
}
public String getDescription() {
return "This example shows the vector object drawing capabilities of the Geomajas map. In this particular "
+ "example, all objects are rendered in screen space. For more information regarding screen space and "
+ "world space, visit the javadocs (TODO make this a link).";
}
public Widget getContentWidget() {
// Define the left layout:
VerticalPanel leftLayout = new VerticalPanel();
leftLayout.setSize("220px", "100%");
leftLayout.add(new HTML("<h3>Drawing options:</h3>"));
Button rectangleBtn = new Button("Draw rectangle");
rectangleBtn.setWidth("200");
rectangleBtn.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
Rectangle rectangle = new Rectangle(60, 40, 200, 80);
rectangle.setFillColor("#CC9900");
rectangle.setFillOpacity(0.4);
container.add(rectangle);
}
});
leftLayout.add(rectangleBtn);
Button textBtn = new Button("Draw text");
textBtn.setWidth("200");
textBtn.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
Text text = new Text(70, 60, "Hello World");
text.setFontFamily("Arial");
text.setFontSize(16);
text.setStrokeOpacity(0);
text.setFillColor("#000000");
container.add(text);
}
});
leftLayout.add(textBtn);
Button circleBtn = new Button("Draw circle");
circleBtn.setWidth("200");
circleBtn.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
Circle circle = new Circle(300, 140, 30);
circle.setFillColor("#0099CC");
circle.setFillOpacity(0.4);
container.add(circle);
}
});
leftLayout.add(circleBtn);
Button pathBtn = new Button("Draw path");
pathBtn.setWidth("200");
pathBtn.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
Path path = new Path(120, 160);
path.setFillColor("#0066AA");
path.setFillOpacity(0.4);
path.setStrokeColor("#004499");
path.lineRelativelyTo(100, 0);
path.lineRelativelyTo(0, 100);
path.lineRelativelyTo(-100, 0);
path.lineRelativelyTo(0, -100);
path.moveTo(140, 180);
path.lineRelativelyTo(50, 0);
path.lineRelativelyTo(0, 50);
path.lineRelativelyTo(-50, 0);
path.lineRelativelyTo(0, -50);
container.add(path);
}
});
leftLayout.add(pathBtn);
Button deleteBtn = new Button("Delete all drawings");
deleteBtn.setWidth("200");
deleteBtn.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent arg0) {
container.clear();
}
});
leftLayout.add(deleteBtn);
// Create the MapPresenter and add an InitializationHandler:
mapPresenter = getInjector().getMapPresenter();
mapPresenter.setSize(640, 480);
mapPresenter.getEventBus().addHandler(MapInitializationEvent.TYPE, new MyMapInitializationHandler());
// Define the whole layout:
HorizontalPanel layout = new HorizontalPanel();
layout.add(leftLayout);
DecoratorPanel mapDecorator = new DecoratorPanel();
mapDecorator.add(mapPresenter.asWidget());
layout.add(mapDecorator);
// Initialize the map, and return the layout:
mapPresenter.initialize("pure-gwt-app", "mapOsm");
return layout;
}
/**
* Map initialization handler that adds a CheckBox to the layout for every layer. With these CheckBoxes, the user
* can toggle the layer's visibility.
*
* @author Pieter De Graef
*/
private class MyMapInitializationHandler implements MapInitializationHandler {
public void onMapInitialized(MapInitializationEvent event) {
container = mapPresenter.addScreenContainer();
}
}
}