com.rednels.ofcgwt.client.model.elements.PieChart.java Source code

Introduction

Here is the source code for com.rednels.ofcgwt.client.model.elements.PieChart.java

Source

/*
Copyright (C) 2009 Grant Slender
    
This file is part of OFCGWT.
http://code.google.com/p/ofcgwt/
    
OFCGWT is free software: you can redistribute it and/or modify
it under the terms of the Lesser GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
    
OFCGWT 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 General Public License for more details.
    
See <http://www.gnu.org/licenses/lgpl-3.0.txt>.
 */
package com.rednels.ofcgwt.client.model.elements;

import java.util.Arrays;
import java.util.List;

import com.google.gwt.json.client.JSONArray;
import com.google.gwt.json.client.JSONBoolean;
import com.google.gwt.json.client.JSONNumber;
import com.google.gwt.json.client.JSONObject;
import com.google.gwt.json.client.JSONString;
import com.google.gwt.json.client.JSONValue;
import com.rednels.ofcgwt.client.event.DataValueEvents;
import com.rednels.ofcgwt.client.model.JSONizable;

/**
 * OFC pie chart
 */
public class PieChart extends Element implements JSONizable {

    public static class PieBounceAnimation implements PieAnimation {

        private Number distance;

        public PieBounceAnimation(Integer distance) {
            setDistance(distance);
        }

        /*
         * (non-Javadoc)
         * 
         * @see com.rednels.ofcgwt.client.model.JSONizable.buildJSON()
         */
        public JSONValue buildJSON() {
            JSONObject json = new JSONObject();
            if (distance != null)
                json.put("distance", new JSONNumber(distance.intValue()));
            json.put("type", new JSONString("bounce"));
            return json;
        }

        /**
         * Gets the distance.
         * 
         * @return the distance
         */
        public Number getDistance() {
            return distance;
        }

        /**
         * Sets the distance
         * 
         * @param distance
         *            the distance to set
         */
        public void setDistance(Integer distance) {
            this.distance = distance;
        }
    }

    public static class PieFadeAnimation implements PieAnimation {

        /*
         * (non-Javadoc)
         * 
         * @see com.rednels.ofcgwt.client.model.JSONizable.buildJSON()
         */
        public JSONValue buildJSON() {
            JSONObject json = new JSONObject();
            json.put("type", new JSONString("fade"));
            return json;
        }
    }

    /**
     * OFC pie slices
     */
    public static class Slice extends DataValueEvents implements JSONizable {

        private final String label;
        private final String text;
        private final Number value;
        private String labelColour;
        private String fontSize;
        private String tooltip;
        private PieAnimation animate;

        /**
         * Creates a new slice.
         * 
         * @param value
         *            the value
         * @param label
         *            the label
         */
        public Slice(Number value, String label) {
            this(value, label, label);
        }

        /**
         * Creates a new slice.
         * 
         * @param value
         *            the value
         * @param label
         *            the label
         */
        public Slice(Number value, String label, String text) {
            this.label = label;
            this.value = value;
            this.text = text;
        }

        /*
         * (non-Javadoc)
         * 
         * @see com.rednels.ofcgwt.client.model.JSONizable.buildJSON()
         */
        public JSONValue buildJSON() {
            JSONObject json = new JSONObject();
            if (value != null)
                json.put("value", new JSONNumber(value.doubleValue()));
            if (label != null)
                json.put("label", new JSONString(label));
            if (text != null)
                json.put("text", new JSONString(text));
            if (labelColour != null)
                json.put("label-colour", new JSONString(labelColour));
            if (fontSize != null)
                json.put("font-size", new JSONString(fontSize));
            if (onClick != null)
                json.put("on-click", new JSONString(onClick));
            if (tooltip != null)
                json.put("tip", new JSONString(tooltip));
            if (animate != null)
                json.put("animate", animate.buildJSON());
            return json;
        }

        /**
         * Gets the animation.
         * 
         * @return the animation
         */
        public PieAnimation getAnimation() {
            return animate;
        }

        /**
         * Gets the font size.
         * 
         * @return the font size
         */
        public String getFontSize() {
            return fontSize;
        }

        /**
         * Gets the text.
         * 
         * @return the text
         */
        public String getLabel() {
            return label;
        }

        /**
         * Gets the label colour.
         * 
         * @return the label colour
         */
        public String getLabelColour() {
            return labelColour;
        }

        /**
         * Gets the tooltip.
         * 
         * @return the tooltip
         */
        public String getTooltip() {
            return tooltip;
        }

        /**
         * Gets the value.
         * 
         * @return the value
         */
        public Number getValue() {
            return value;
        }

        /**
         * Sets the animation.
         * 
         * @param animate
         *            the new animate
         */
        public void setAnimation(PieAnimation animate) {
            this.animate = animate;
        }

        /**
         * Sets the font size.
         * 
         * @param fontSize
         *            the new font size
         */
        public void setFontSize(String fontSize) {
            this.fontSize = fontSize;
        }

        /**
         * Sets the label colour.
         * 
         * @param labelColour
         *            the new label colour
         */
        public void setLabelColour(String labelColour) {
            this.labelColour = labelColour;
        }

        /**
         * Sets the tooltip.
         * 
         * @param tooltip
         *            the new tooltip
         */
        public void setTooltip(String tooltip) {
            this.tooltip = tooltip;
        }
    }

    interface PieAnimation extends JSONizable {
    }

    private Integer startAngle;
    private Integer radius;
    private String labelColour;
    private Float alpha;
    private PieAnimation animate;
    private Boolean gradientFill;
    private Boolean nolabels;
    private Integer border;

    /**
     * Creates a new pie chart.
     */
    public PieChart() {
        super("pie");
        onShowType = JSONBoolean.getInstance(false);
    }

    /**
     * Adds a slice.
     * 
     * @param value
     *            the value
     * @param text
     *            the text
     */
    public void addSlice(Number value, String text) {
        addSlices(new Slice(value, text));
    }

    /**
     * Adds slices.
     * 
     * @param slices
     *            the slices
     */
    public void addSlices(List<Slice> slices) {
        getValues().addAll(slices);
    }

    /**
     * Adds slices.
     * 
     * @param slice
     *            the slice
     */
    public void addSlices(Slice... slice) {
        getValues().addAll(Arrays.asList(slice));
    }

    /**
     * Adds the values.
     * 
     * @param values
     *            the values
     */
    public void addValues(List<Number> values) {
        getValues().addAll(values);
    }

    /**
     * Adds values.
     * 
     * @param values
     *            the values
     */
    public void addValues(Number... values) {
        getValues().addAll(Arrays.asList(values));
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.rednels.ofcgwt.client.model.elements.Element.buildJSON()
     */
    public JSONValue buildJSON() {
        JSONObject json = (JSONObject) super.buildJSON();
        if (startAngle != null)
            json.put("start-angle", new JSONNumber(startAngle.intValue()));
        if (radius != null)
            json.put("radius", new JSONNumber(radius.intValue()));
        if (gradientFill != null)
            json.put("gradient-fill", JSONBoolean.getInstance(gradientFill));
        if (alpha != null)
            json.put("alpha", new JSONNumber(alpha));
        if (nolabels != null)
            json.put("no-labels", JSONBoolean.getInstance(nolabels));
        if (labelColour != null)
            json.put("label-colour", new JSONString(labelColour));
        if (border != null)
            json.put("border", new JSONNumber(border.doubleValue()));
        JSONArray ary = new JSONArray();
        int index = 0;
        if (animate != null)
            ary.set(index++, animate.buildJSON());
        if (index != 0)
            json.put("animate", ary);

        return json;
    }

    /**
     * Gets the alpha.
     * 
     * @return the alpha
     */
    public Float getAlpha() {
        return alpha;
    }

    /**
     * Gets the animation.
     * 
     * @return the animation
     */
    public PieAnimation getAnimation() {
        return animate;
    }

    /**
     * Gets the border.
     * 
     * @return the border
     */
    public Integer getBorder() {
        return border;
    }

    /**
     * Gets the gradient fill.
     * 
     * @return true if gradient fill is enabled
     */
    public Boolean getGradientFill() {
        return gradientFill;
    }

    /**
     * Gets the label colour.
     * 
     * @return the label colour
     */
    public String getLabelColour() {
        return labelColour;
    }

    /**
     * Gets the no labels value
     * 
     * @return true if no labels is enabled
     */
    public Boolean getNoLabels() {
        return nolabels;
    }

    /**
     * @return the radius
     */
    public Integer getRadius() {
        return radius;
    }

    /**
     * Gets the start angle.
     * 
     * @return the start angle
     */
    public Integer getStartAngle() {
        return startAngle;
    }

    /**
     * Sets the alpha.
     * 
     * @param alpha
     *            the alpha
     */
    public void setAlpha(Float alpha) {
        this.alpha = alpha;
    }

    /**
     * Sets if animation on show (slice build rotation) is enabled
     * 
     * @param animate
     *            true or false
     */
    public void setAnimateOnShow(boolean animate) {
        if (animate) {
            onShowType = null;
        } else {
            onShowType = JSONBoolean.getInstance(false);
        }
    }

    /**
     * Sets the animation - set to null if no animation required.
     * 
     * @param animate
     *            the new animate
     */
    public void setAnimation(PieAnimation animate) {
        this.animate = animate;
    }

    /**
     * Sets the border.
     * 
     * @param border
     *            the new border
     */
    public void setBorder(Integer border) {
        this.border = border;
    }

    /**
     * Sets the gradient fill.
     * 
     * @param gradientFill
     *            true or false
     */
    public void setGradientFill(boolean gradientFill) {
        this.gradientFill = gradientFill;
    }

    /**
     * Sets the label colour.
     * 
     * @param labelColour
     *            the new label colour
     */
    public void setLabelColour(String labelColour) {
        this.labelColour = labelColour;
    }

    /**
     * Sets the no labels.
     * 
     * @param nolabels
     *            true or false
     */
    public void setNoLabels(boolean nolabels) {
        this.nolabels = nolabels;
    }

    /**
     * @param radius
     *            the radius to set
     */
    public void setRadius(Integer radius) {
        this.radius = radius;
    }

    /**
     * Sets the start angle.
     * 
     * @param startAngle
     *            the new start angle
     */
    public void setStartAngle(Integer startAngle) {
        this.startAngle = startAngle;
    }
}