com.googlecode.gflot.client.options.SeriesGradient.java Source code

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Here is the source code for com.googlecode.gflot.client.options.SeriesGradient.java

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/*
 * Copyright (c) 2012 Nicolas Morel
 * 
 * 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.
 */
package com.googlecode.gflot.client.options;

import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.core.client.JsArray;
import com.googlecode.gflot.client.jsni.JsonObject;

public class SeriesGradient extends JsonObject {
    public static class Gradient extends JsonObject {
        /**
         * Creates a {@link Gradient} with specified gradient
         */
        public static final Gradient of(Double opacity, Double brightness) {
            Gradient gradient = JavaScriptObject.createObject().cast();
            if (null != opacity) {
                gradient.put(OPACITY_KEY, opacity);
            }
            if (null != brightness) {
                gradient.put(BRIGHTNESS_KEY, brightness);
            }
            return gradient;
        }

        protected Gradient() {
        }

        public final Double getOpacity() {
            return getDouble(OPACITY_KEY);
        }

        public final Double getBrightness() {
            return getDouble(BRIGHTNESS_KEY);
        }
    }

    /**
     * Creates a {@link SeriesGradient} with specified gradient
     */
    public static SeriesGradient of(Double fromOpacity, Double fromBrightness, Double toOpacity,
            Double toBrightness) {
        SeriesGradient gradient = JavaScriptObject.createObject().cast();
        JsArray<Gradient> array = JavaScriptObject.createArray().cast();
        array.push(Gradient.of(fromOpacity, fromBrightness));
        array.push(Gradient.of(toOpacity, toBrightness));
        gradient.put(FILL_COLOR_COLORS_KEY, array);
        return gradient;
    }

    private static final String FILL_COLOR_COLORS_KEY = "colors";
    private static final String OPACITY_KEY = "opacity";
    private static final String BRIGHTNESS_KEY = "brightness";

    protected SeriesGradient() {
    }

    public final Gradient getFrom() {
        return getArray(FILL_COLOR_COLORS_KEY).getObject(0);
    }

    public final Gradient getTo() {
        return getArray(FILL_COLOR_COLORS_KEY).getObject(1);
    }
}