ar.com.macsgroup.graphics.gwtraphael.client.animation.Animation.java Source code

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Here is the source code for ar.com.macsgroup.graphics.gwtraphael.client.animation.Animation.java

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/*
 * Copyright 2011 MacsGroup  (support@macsgroup.com.ar)
 *
 * This file is part of GWTRaphael.
 *
 * GWTRaphael is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Foobar is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with GWTRaphael.  If not, see <http://www.gnu.org/licenses/>.
 */
package ar.com.macsgroup.graphics.gwtraphael.client.animation;

import ar.com.macsgroup.graphics.gwtraphael.client.attributes.AnimatedAttribute;
import ar.com.macsgroup.graphics.gwtraphael.client.attributes.Attribute;
import ar.com.macsgroup.graphics.gwtraphael.client.core.RaphaelBaseElement;

import com.google.gwt.core.client.JavaScriptObject;

/**
 * TODO:
 *    1. add support for KeyFrames animation
 *  2. add support for Cubic Bezier and Custom Function
 *
 */
public class Animation {

    public enum Easing {
        EaseIn(">"), EaseOut("<"), EaseInOut("<>"), BackIn("backIn"), BackOut("backOut"), Bounce("bounce"), Elastic(
                "elastic");

        /**
         * TODO:
         *    Add support for Cubic Bezier and Custom function   
         */

        private String text;

        private Easing(String text) {
            this.text = text;
        }

        protected String getRapahelString() {
            return this.text;
        }

    }

    private static final native <T extends RaphaelBaseElement> void doAnimation(T element, JavaScriptObject obj,
            int delay, String easingType, AnimationFinishCallback callbackJava) /*-{
                                                                                    
                                                                                var callbackFunction = null;
                                                                                    
                                                                                if ( callbackJava != null ) {
                                                                                callbackFunction = function() {
                                                                                @ar.com.macsgroup.graphics.gwtraphael.client.animation.Animation::doJavaCallback(Lar/com/macsgroup/graphics/gwtraphael/client/animation/AnimationFinishCallback;)(callbackJava);
                                                                                }
                                                                                }
                                                                                    
                                                                                if ( easingType == null )
                                                                                element.animate(obj, delay, callbackFunction);
                                                                                else
                                                                                element.animate(obj, delay, easingType, callbackFunction);
                                                                                }-*/;

    public final static void doJavaCallback(AnimationFinishCallback callback) {
        callback.onAnimationFinish();
    }

    public final static void doJavaCallback(OnAnimation callback) {
        callback.execute();
    }

    //   public static <T extends RaphaelBaseElement> T animate(T element, Attribute[] attributes, int delay) {
    //      return animate(element, attributes, delay, null, null);
    //   }

    public static <T extends RaphaelBaseElement> T animate(T element, AnimatedAttribute[] attributes, int delay) {
        return animate(element, attributes, delay, null, null);
    }

    public static <T extends RaphaelBaseElement> T animate(T element, AnimatedAttribute[] attributes, int delay,
            AnimationFinishCallback callback) {
        return animate(element, attributes, delay, null, callback);
    }

    public static <T extends RaphaelBaseElement> T animate(T element, AnimatedAttribute[] attributes, int delay,
            Easing easingType) {
        return animate(element, attributes, delay, easingType, null);
    }

    private static final native void setProperty(JavaScriptObject obj, String name, String value) /*-{
                                                                                                  obj[name] = value;
                                                                                                  }-*/;

    public static <T extends RaphaelBaseElement> T animate(T element, AnimatedAttribute[] attributes, int delay,
            Easing easingType, AnimationFinishCallback callback) {
        // fresh object
        JavaScriptObject objAttributes = JavaScriptObject.createObject();

        for (Attribute attribute : attributes) {
            setProperty(objAttributes, attribute.getName(), attribute.getValue());
        }

        String easingTypeString = easingType != null ? easingType.getRapahelString() : null;

        doAnimation(element, objAttributes, delay, easingTypeString, callback);

        return element;
    }

    public static final native <T extends RaphaelBaseElement> T onAnimation(T element, OnAnimation callback)/*-{
                                                                                                            element.onAnimation(
                                                                                                            function() {
                                                                                                            @ar.com.macsgroup.graphics.gwtraphael.client.animation.Animation::doJavaCallback(Lar/com/macsgroup/graphics/gwtraphael/client/animation/OnAnimation;)(callbackJava);
                                                                                                            }
                                                                                                            );
                                                                                                            }-*/;

}