org.cleanlogic.cesiumjs4gwt.showcase.examples.CZML.java Source code

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Here is the source code for org.cleanlogic.cesiumjs4gwt.showcase.examples.CZML.java

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/*
 * Copyright 2017 iserge.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.cleanlogic.cesiumjs4gwt.showcase.examples;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.AbsolutePanel;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HorizontalPanel;
import org.cesiumjs.cs.core.Cartesian3;
import org.cesiumjs.cs.core.HeadingPitchRoll;
import org.cesiumjs.cs.core.Math;
import org.cesiumjs.cs.datasources.CzmlDataSource;
import org.cesiumjs.cs.scene.options.ViewOptions;
import org.cesiumjs.cs.widgets.ViewerPanel;
import org.cleanlogic.cesiumjs4gwt.showcase.basic.AbstractExample;
import org.cleanlogic.cesiumjs4gwt.showcase.components.store.ShowcaseExampleStore;

import javax.inject.Inject;

/**
 * @author Serge Silaev aka iSergio <s.serge.b@gmail.com>
 */
public class CZML extends AbstractExample {
    private ViewerPanel csVPanel;

    @Inject
    public CZML(ShowcaseExampleStore store) {
        super("CZML",
                "A simple CZML example showing four satellites in orbit around the Earth, and some ground objects",
                new String[] { "Showcase", "Cesium", "3d", "Viewer", "CZML" }, store);
    }

    @Override
    public void buildPanel() {
        csVPanel = new ViewerPanel();
        csVPanel.getViewer().dataSources()
                .add(CzmlDataSource.load(GWT.getModuleBaseURL() + "SampleData/simple.czml"));
        csVPanel.getViewer().camera.flyHome(0);

        Button satellitesBtn = new Button("Satellites");
        satellitesBtn.addClickHandler(new ClickHandler() {
            @Override
            public void onClick(ClickEvent clickEvent) {
                reset();
                csVPanel.getViewer().dataSources()
                        .add(CzmlDataSource.load(GWT.getModuleBaseURL() + "SampleData/simple.czml"));
                csVPanel.getViewer().camera.flyHome(0);
            }
        });

        Button vehicleBtn = new Button("Vehicle");
        vehicleBtn.addClickHandler(new ClickHandler() {
            @Override
            public void onClick(ClickEvent clickEvent) {
                reset();
                csVPanel.getViewer().dataSources()
                        .add(CzmlDataSource.load(GWT.getModuleBaseURL() + "SampleData/Vehicle.czml"));
                ViewOptions viewOptions = new ViewOptions();
                viewOptions.destinationPos = Cartesian3.fromDegrees(-116.52, 35.02, 95000);
                viewOptions.orientation = new HeadingPitchRoll(6, -Math.PI_OVER_TWO());
                csVPanel.getViewer().scene().camera().setView(viewOptions);
            }
        });

        HorizontalPanel hPanel = new HorizontalPanel();
        hPanel.setSpacing(10);
        hPanel.add(satellitesBtn);
        hPanel.add(vehicleBtn);

        AbsolutePanel aPanel = new AbsolutePanel();
        aPanel.add(csVPanel);
        aPanel.add(hPanel, 20, 20);

        contentPanel.add(new HTML(
                "<p>A simple CZML example showing four satellites in orbit around the Earth, and some ground objects.</p>"));
        contentPanel.add(aPanel);

        initWidget(contentPanel);
    }

    @Override
    public String[] getSourceCodeURLs() {
        String[] sourceCodeURLs = new String[1];
        sourceCodeURLs[0] = GWT.getModuleBaseURL() + "examples/" + "CZML.txt";
        return sourceCodeURLs;
    }

    public void reset() {
        csVPanel.getViewer().dataSources().removeAll();
    }
}