SnapSvgTest.java

package net.java.html.lib.snapsvg;

import net.java.html.lib.dom.Document;
import org.junit.Assert;
import org.junit.Test;
import static net.java.html.lib.dom.Exports.window;
import net.java.html.lib.dom.HTMLElement;
import net.java.html.junit.BrowserRunner;
import net.java.html.junit.HTMLContent;
import net.java.html.lib.Objs;
import net.java.html.lib.snapsvg.Snap.Element;
import net.java.html.lib.snapsvg.Snap.Paper;
import org.junit.runner.RunWith;

/*
 * #%L
 * DukeScript Definitely Typed - a library from the DukeScript project.
 * Visit http://dukescript.com for support and commercial license.
 * %%
 * Copyright (C) 2015 Eppleton IT Consulting
 * %%
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 * #L%
 */

@RunWith(BrowserRunner.class)
@HTMLContent("\n" +
    "<svg id='demo' width='300' height='300'>\n" +
    "</svg>\n"
)
public class SnapSvgTest {
    String assertText(String msg) {
        final Document doc = window.document();
        final HTMLElement element = doc.getElementById("text");
        String txt = element.innerHTML();
        if (msg == null) {
            return txt;
        }
        Assert.assertEquals(msg, txt);
        return txt;
    }

    @Test
    public Runnable[] drawSomethingSimple() throws Exception {
        Paper s = Exports.Snap("#demo");

        Element[] elements = { null, null, null };

        return new Runnable[] {
            () -> {
                if (elements[0] == null) try {
                    elements[0] = s.circle(150, 150, 100);
                } catch (NullPointerException ex) {
                    ex.printStackTrace();
                }
            },
            () -> {
                if (elements[0] == null) try {
                    elements[0] = s.circle(150, 150, 100);
                } catch (NullPointerException ex) {
                    ex.printStackTrace();
                }
            },
            () -> {
                Element bigCircle = elements[0];
                bigCircle.attr(values(
                    "fill", "#bada55",
                    "stroke", "#000",
                    "strokeWidth", 5
                ));
                elements[0] = bigCircle;
            },
            () -> {
                Element smallCircle = s.circle(100, 150, 70);
                Element discs = Element.$as(s.group(smallCircle, s.circle(200, 150, 70)));
                discs.attr(values(
                    "fill", "#fff"
                ));
                elements[1] = smallCircle;
                elements[2] = discs;
            },
            () -> {
                Element bigCircle = elements[0];
                Element smallCircle = elements[1];
                Element discs = elements[2];
                bigCircle.attr(values(
                    "mask", discs
                ));
                smallCircle.animate(values("r", 50), 1000);
            }
        };
    }

    private static Objs values(Object... attrs) {
        Objs js = new Objs();
        for (int i = 0; i < attrs.length; i += 2) {
            js.$set((String) attrs[i], attrs[i + 1]);
        }
        return js;
    }
}