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Current File : /var/www/html/esic/obidos/js/RGraph/libraries/RGraph.rose.js
// version: 2014-08-16
/**
 * o--------------------------------------------------------------------------------o
 * | This file is part of the RGraph package - you can learn more at:               |
 * |                                                                                |
 * |                          http://www.rgraph.net                                 |
 * |                                                                                |
 * | This package is licensed under the Creative Commons BY-NC license. That means  |
 * | that for non-commercial purposes it's free to use and for business use there's |
 * | a 99 GBP per-company fee to pay. You can read the full license here:           |
 * |                                                                                |
 * |                      http://www.rgraph.net/license                             |
 * o--------------------------------------------------------------------------------o
 */

RGraph = window.RGraph || {isRGraph: true};
RGraph.Effects = RGraph.Effects || {};
RGraph.Effects.Rose = RGraph.Effects.Rose || {};

/**
 * The rose chart constuctor
 *
 * @param object canvas
 * @param array data
 */
RGraph.Rose = function (conf) {
    /**
     * Allow for object config style
     */
    if (typeof conf === 'object'
        && typeof conf.data === 'object'
        && typeof conf.id === 'string') {

        var parseConfObjectForOptions = true; // Set this so the config is parsed (at the end of the constructor)

    } else {

        var conf = {id: conf};
        conf.data = arguments[1];
    }


    this.id = conf.id;
    this.canvas = document.getElementById(this.id);
    this.context = this.canvas.getContext ? this.canvas.getContext("2d") : null;
    this.data = conf.data;
    this.canvas.__object__ = this;
    this.type = 'rose';
    this.isRGraph = true;
    this.uid = RGraph.CreateUID();
    this.canvas.uid = this.canvas.uid ? this.canvas.uid : RGraph.CreateUID();
    this.colorsParsed = false;
    this.coordsText = [];
    this.original_colors = [];
    this.firstDraw = true; // After the first draw this will be false

    this.centerx = 0;
    this.centery = 0;
    this.radius = 0;
    this.max = 0;
    this.angles = [];
    this.angles2 = [];

    this.properties =
    {
        'chart.background.axes': true,
        'chart.background.axes.color': 'black',
        'chart.background.grid': true,
        'chart.background.grid.color': '#ccc',
        'chart.background.grid.size': null,
        'chart.background.grid.spokes': null,
        'chart.background.grid.count': 5,
        'chart.centerx': null,
        'chart.centery': null,
        'chart.radius': null,
        'chart.angles.start': 0,
        'chart.colors': ['rgba(255,0,0,0.5)', 'rgba(255,255,0,0.5)', 'rgba(0,255,255,0.5)', 'rgb(0,255,0)', 'gray', 'blue', 'rgb(255,128,255)', 'green', 'pink', 'gray', 'aqua'],
        'chart.linewidth': 1,
        'chart.colors.sequential': false,
        'chart.colors.alpha': null,
        'chart.margin': 0,
        'chart.strokestyle': '#aaa',
        'chart.gutter.left': 25,
        'chart.gutter.right': 25,
        'chart.gutter.top': 25,
        'chart.gutter.bottom': 25,
        'chart.title': '',
        'chart.title.background': null,
        'chart.title.hpos': null,
        'chart.title.vpos': null,
        'chart.title.bold': true,
        'chart.title.font': null,
        'chart.title.x': null,
        'chart.title.y': null,
        'chart.title.halign': null,
        'chart.title.valign': null,
        'chart.labels': null,
        'chart.labels.position': 'center',
        'chart.labels.axes': 'nsew',
        'chart.labels.boxed': true,
        'chart.labels.offset': 0,
        'chart.text.color': 'black',
        'chart.text.font': 'Arial',
        'chart.text.size': 10,
        'chart.key': null,
        'chart.key.background': 'white',
        'chart.key.position': 'graph',
        'chart.key.halign': 'right',
        'chart.key.shadow': false,
        'chart.key.shadow.color': '#666',
        'chart.key.shadow.blur': 3,
        'chart.key.shadow.offsetx': 2,
        'chart.key.shadow.offsety': 2,
        'chart.key.position.gutter.boxed': false,
        'chart.key.position.x': null,
        'chart.key.position.y': null,
        'chart.key.color.shape': 'square',
        'chart.key.rounded': true,
        'chart.key.linewidth': 1,
        'chart.key.colors': null,
        'chart.key.interactive': false,
        'chart.key.interactive.highlight.chart.stroke': 'black',
        'chart.key.interactive.highlight.chart.fill': 'rgba(255,255,255,0.7)',
        'chart.key.interactive.highlight.label': 'rgba(255,0,0,0.2)',
        'chart.key.text.color': 'black',
        'chart.contextmenu': null,
        'chart.tooltips': null,
        'chart.tooltips.event': 'onclick',
        'chart.tooltips.effect': 'fade',
        'chart.tooltips.css.class': 'RGraph_tooltip',
        'chart.tooltips.highlight': true,
        'chart.highlight.stroke': 'rgba(0,0,0,0)',
        'chart.highlight.fill': 'rgba(255,255,255,0.7)',
        'chart.annotatable': false,
        'chart.annotate.color': 'black',
        'chart.zoom.factor': 1.5,
        'chart.zoom.fade.in': true,
        'chart.zoom.fade.out': true,
        'chart.zoom.hdir': 'right',
        'chart.zoom.vdir': 'down',
        'chart.zoom.frames': 25,
        'chart.zoom.delay': 16.666,
        'chart.zoom.shadow': true,
        'chart.zoom.background': true,
        'chart.zoom.action': 'zoom',
        'chart.resizable': false,
        'chart.resize.handle.adjust': [0, 0],
        'chart.resize.handle.background': null,
        'chart.adjustable': false,
        'chart.ymax': null,
        'chart.ymin': 0,
        'chart.scale.decimals': null,
        'chart.scale.point': '.',
        'chart.scale.thousand': ',',
        'chart.variant': 'stacked',
        'chart.exploded': 0,
        'chart.events.mousemove': null,
        'chart.events.click': null,
        'chart.animation.roundrobin.factor': 1,
        'chart.animation.roundrobin.radius': true,
        'chart.animation.grow.multiplier': 1,
        'chart.labels.count': 5
    }


    /**
     * Create the $ objects. In the case of non-equi-angular rose charts it actually creates too many $ objects,
     * but it doesn't matter.
     */
    var linear_data = RGraph.array_linearize(this.data);
    for (var i = 0; i < linear_data.length; ++i) {
        this["$" + i] = {}
    }


    /**
     * Translate half a pixel for antialiasing purposes - but only if it hasn't beeen
     * done already
     */
    if (!this.canvas.__rgraph_aa_translated__) {
        this.context.translate(0.5, 0.5);

        this.canvas.__rgraph_aa_translated__ = true;
    }


    // Short variable names
    var RG = RGraph;
    var ca = this.canvas;
    var co = ca.getContext('2d');
    var prop = this.properties;
    var jq = jQuery;
    var pa = RG.Path;
    var win = window;
    var doc = document;
    var ma = Math;


    /**
     * "Decorate" the object with the generic effects if the effects library has been included
     */
    if (RG.Effects && typeof RG.Effects.decorate === 'function') {
        RG.Effects.decorate(this);
    }


    /**
     * A simple setter
     *
     * @param string name  The name of the property to set
     * @param string value The value of the property
     */
    this.set =
        this.Set = function (name) {
            var value = typeof arguments[1] === 'undefined' ? null : arguments[1];

            /**
             * the number of arguments is only one and it's an
             * object - parse it for configuration data and return.
             */
            if (arguments.length === 1 && typeof name === 'object') {
                RG.parseObjectStyleConfig(this, name);
                return this;
            }


            /**
             * This should be done first - prepend the propertyy name with "chart." if necessary
             */
            if (name.substr(0, 6) != 'chart.') {
                name = 'chart.' + name;
            }

            prop[name.toLowerCase()] = value;

            return this;
        };


    /**
     * A simple getter
     *
     * @param string name The name of the property to get
     */
    this.get =
        this.Get = function (name) {
            /**
             * This should be done first - prepend the property name with "chart." if necessary
             */
            if (name.substr(0, 6) != 'chart.') {
                name = 'chart.' + name;
            }

            return prop[name.toLowerCase()];
        };


    /**
     * This method draws the rose chart
     */
    this.draw =
        this.Draw = function () {
            /**
             * Fire the onbeforedraw event
             */
            RG.FireCustomEvent(this, 'onbeforedraw');


            /**
             * This doesn't affect the chart, but is used for compatibility
             */
            this.gutterLeft = prop['chart.gutter.left'];
            this.gutterRight = prop['chart.gutter.right'];
            this.gutterTop = prop['chart.gutter.top'];
            this.gutterBottom = prop['chart.gutter.bottom'];

            // Calculate the radius
            this.radius = (Math.min(ca.width - this.gutterLeft - this.gutterRight, ca.height - this.gutterTop - this.gutterBottom) / 2);
            this.centerx = ((ca.width - this.gutterLeft - this.gutterRight) / 2) + this.gutterLeft;
            this.centery = ((ca.height - this.gutterTop - this.gutterBottom) / 2) + this.gutterTop;
            this.angles = [];
            this.angles2 = [];
            this.total = 0;
            this.startRadians = prop['chart.angles.start'];
            this.coordsText = [];

            /**
             * Change the centerx marginally if the key is defined
             */
            if (prop['chart.key'] && prop['chart.key'].length > 0 && prop['chart.key'].length >= 3) {
                this.centerx = this.centerx - this.gutterRight + 5;
            }


            // User specified radius, centerx and centery
            if (typeof(prop['chart.centerx']) == 'number') this.centerx = prop['chart.centerx'];
            if (typeof(prop['chart.centery']) == 'number') this.centery = prop['chart.centery'];
            if (typeof(prop['chart.radius']) == 'number')  this.radius = prop['chart.radius'];

            /**
             * Parse the colors for gradients. Its down here so that the center X/Y can be used
             */
            if (!this.colorsParsed) {

                this.parseColors();

                // Don't want to do this again
                this.colorsParsed = true;
            }

            this.drawBackground();


            this.DrawRose();
            this.DrawLabels();

            /**
             * Set the strokestyle to transparent because of a strange double stroke bug
             *
             * DO NOT REMOVE
             */
            co.strokeStyle = 'rgba(0,0,0,0)'


            /**
             * Setup the context menu if required
             */
            if (prop['chart.contextmenu']) {
                RG.ShowContext(this);
            }


            /**
             * This function enables resizing
             */
            if (prop['chart.resizable']) {
                RG.AllowResizing(this);
            }


            /**
             * This function enables adjusting
             */
            if (prop['chart.adjustable']) {
                RG.AllowAdjusting(this);
            }


            /**
             * This installs the event listeners
             */
            RG.InstallEventListeners(this);


            /**
             * Fire the onfirstdraw event
             */
            if (this.firstDraw) {
                RG.fireCustomEvent(this, 'onfirstdraw');
                this.firstDraw = false;
                this.firstDrawFunc();
            }


            /**
             * Fire the RGraph ondraw event
             */
            RG.FireCustomEvent(this, 'ondraw');

            return this;
        };


    /**
     * This method draws the rose charts background
     */
    this.drawBackground =
        this.DrawBackground = function () {
            co.lineWidth = 1;


            // Draw the background grey circles/spokes
            if (prop['chart.background.grid']) {
                if (typeof(prop['chart.background.grid.count']) == 'number') {
                    prop['chart.background.grid.size'] = this.radius / prop['chart.background.grid.count'];
                }

                co.beginPath();
                co.strokeStyle = prop['chart.background.grid.color'];

                // Radius must be greater than 0 for Opera to work
                for (var i = prop['chart.background.grid.size']; i <= this.radius; i += prop['chart.background.grid.size']) {

                    // Hmmm... This is questionable
                    co.moveTo(this.centerx + i, this.centery);

                    // Radius must be greater than 0 for Opera to work
                    co.arc(this.centerx,
                        this.centery,
                        i,
                        0,
                        RG.TWOPI,
                        false);
                }
                co.stroke();


                // Draw the background lines that go from the center outwards
                co.beginPath();
                if (typeof(prop['chart.background.grid.spokes']) == 'number') {

                    var num = (360 / prop['chart.background.grid.spokes']);

                    for (var i = num; i <= 360; i += num) {

                        // Radius must be greater than 0 for Opera to work
                        co.arc(this.centerx,
                            this.centery,
                            this.radius,
                            ((i / (180 / RG.PI)) - RG.HALFPI) + this.startRadians,
                            (((i + 0.0001) / (180 / RG.PI)) - RG.HALFPI) + this.startRadians,
                            false);

                        co.lineTo(this.centerx, this.centery);
                    }
                } else {
                    for (var i = 15; i <= 360; i += 15) {

                        // Radius must be greater than 0 for Opera to work
                        co.arc(this.centerx,
                            this.centery,
                            this.radius,
                            (i / (180 / RG.PI)) - RG.HALFPI,
                            ((i + 0.0001) / (180 / RG.PI)) - RG.HALFPI,
                            false);

                        co.lineTo(this.centerx, this.centery);
                    }
                }
                co.stroke();
            }


            if (prop['chart.background.axes']) {
                co.beginPath();
                co.strokeStyle = prop['chart.background.axes.color'];

                // Draw the X axis
                co.moveTo(this.centerx - this.radius, Math.round(this.centery));
                co.lineTo(this.centerx + this.radius, Math.round(this.centery));

                // Draw the X ends
                co.moveTo(Math.round(this.centerx - this.radius), this.centery - 5);
                co.lineTo(Math.round(this.centerx - this.radius), this.centery + 5);
                co.moveTo(Math.round(this.centerx + this.radius), this.centery - 5);
                co.lineTo(Math.round(this.centerx + this.radius), this.centery + 5);

                // Draw the X check marks
                for (var i = (this.centerx - this.radius); i < (this.centerx + this.radius); i += (this.radius / 5)) {
                    co.moveTo(Math.round(i), this.centery - 3);
                    co.lineTo(Math.round(i), this.centery + 3.5);
                }

                // Draw the Y check marks
                for (var i = (this.centery - this.radius); i < (this.centery + this.radius); i += (this.radius / 5)) {
                    co.moveTo(this.centerx - 3, Math.round(i));
                    co.lineTo(this.centerx + 3, Math.round(i));
                }

                // Draw the Y axis
                co.moveTo(Math.round(this.centerx), this.centery - this.radius);
                co.lineTo(Math.round(this.centerx), this.centery + this.radius);

                // Draw the Y ends
                co.moveTo(this.centerx - 5, Math.round(this.centery - this.radius));
                co.lineTo(this.centerx + 5, Math.round(this.centery - this.radius));

                co.moveTo(this.centerx - 5, Math.round(this.centery + this.radius));
                co.lineTo(this.centerx + 5, Math.round(this.centery + this.radius));

                // Stroke it
                co.closePath();
                co.stroke();
            }
        };


    /**
     * This method draws the data on the graph
     */
    this.drawRose =
        this.DrawRose = function () {
            var max = 0;
            var data = this.data;
            var margin = RGraph.degrees2Radians(prop['chart.margin']);

            co.lineWidth = prop['chart.linewidth'];

            // Must be at least two data points
            //if (data.length < 2) {
            //    alert('[ROSE] Must be at least two data points! [' + data + ']');
            //    return;
            //}

            // Work out the maximum value and the sum
            if (RG.is_null(prop['chart.ymax'])) {

                // Work out the max
                for (var i = 0; i < data.length; ++i) {
                    if (typeof(data[i]) == 'number') {
                        max = Math.max(max, data[i]);
                    } else if (typeof(data[i]) == 'object' && prop['chart.variant'] == 'non-equi-angular') {
                        max = Math.max(max, data[i][0]);

                        // Fallback is stacked
                    } else {
                        max = Math.max(max, RG.array_sum(data[i]));
                    }
                }

                this.scale2 = RG.getScale2(this, {
                    'max': max,
                    'min': 0,
                    'scale.thousand': prop['chart.scale.thousand'],
                    'scale.point': prop['chart.scale.point'],
                    'scale.decimals': prop['chart.scale.decimals'],
                    'ylabels.count': prop['chart.labels.count'],
                    'scale.round': prop['chart.scale.round'],
                    'units.pre': prop['chart.units.pre'],
                    'units.post': prop['chart.units.post']
                });
                this.max = this.scale2.max;

            } else {

                var ymax = prop['chart.ymax'];


                this.scale2 = RG.getScale2(this, {
                    'max': ymax,
                    'strict': true,
                    'scale.thousand': prop['chart.scale.thousand'],
                    'scale.point': prop['chart.scale.point'],
                    'scale.decimals': prop['chart.scale.decimals'],
                    'ylabels.count': prop['chart.labels.count'],
                    'scale.round': prop['chart.scale.round'],
                    'units.pre': prop['chart.units.pre'],
                    'units.post': prop['chart.units.post']
                });
                this.max = this.scale2.max
            }

            this.sum = RG.array_sum(data);

            // Move to the centre
            co.moveTo(this.centerx, this.centery);

            co.stroke(); // Stroke the background so it stays grey

            // Transparency
            if (prop['chart.colors.alpha']) {
                co.globalAlpha = prop['chart.colors.alpha'];
            }

            /*******************************************************
             * A non-equi-angular Rose chart
             *******************************************************/
            if (typeof(prop['chart.variant']) == 'string' && prop['chart.variant'] == 'non-equi-angular') {
                /*******************************************************
                 * NON-EQUI-ANGULAR GOES HERE
                 *******************************************************/
                var total = 0;
                for (var i = 0; i < data.length; ++i) {
                    total += data[i][1];
                }


                for (var i = 0; i < this.data.length; ++i) {

                    var segmentRadians = ((this.data[i][1] / total) * RG.TWOPI);
                    var radius = ((this.data[i][0] - prop['chart.ymin']) / (this.max - prop['chart.ymin'])) * this.radius;
                    radius = radius * prop['chart.animation.grow.multiplier'];

                    co.strokeStyle = prop['chart.strokestyle'];
                    co.fillStyle = prop['chart.colors'][0];

                    if (prop['chart.colors.sequential']) {
                        co.fillStyle = prop['chart.colors'][i];
                    }

                    co.beginPath(); // Begin the segment

                    var startAngle = (this.startRadians * prop['chart.animation.roundrobin.factor']) - RG.HALFPI + margin;
                    var endAngle = ((this.startRadians + segmentRadians) * prop['chart.animation.roundrobin.factor']) - RG.HALFPI - margin;

                    var exploded = this.getexploded(i, startAngle, endAngle, prop['chart.exploded']);
                    var explodedX = exploded[0];
                    var explodedY = exploded[1];


                    co.arc(this.centerx + explodedX,
                        this.centery + explodedY,
                        prop['chart.animation.roundrobin.radius'] ? radius * prop['chart.animation.roundrobin.factor'] : radius,
                        startAngle,
                        endAngle,
                        0);
                    co.lineTo(this.centerx + explodedX, this.centery + explodedY);
                    co.closePath(); // End the segment

                    co.stroke();
                    co.fill();

                    // Store the start and end angles

                    this.angles.push(gg = [
                        startAngle,
                        endAngle,
                        0,
                        radius,
                        this.centerx + explodedX,
                        this.centery + explodedY
                    ]);

                    this.startRadians += segmentRadians;
                }
            } else {

                var sequentialColorIndex = 0;

                /*******************************************************
                 * Draw regular segments here
                 *******************************************************/
                for (var i = 0; i < this.data.length; ++i) {

                    var segmentRadians = (1 / this.data.length) * RG.TWOPI;

                    if (typeof(this.data[i]) == 'number') {
                        co.beginPath(); // Begin the segment

                        co.strokeStyle = prop['chart.strokestyle'];
                        co.fillStyle = prop['chart.colors'][0];

                        /*******************************************************
                         * This allows sequential colors
                         *******************************************************/
                        if (prop['chart.colors.sequential']) {
                            co.fillStyle = prop['chart.colors'][i];
                        }

                        var radius = ((this.data[i] - prop['chart.ymin']) / (this.max - prop['chart.ymin'])) * this.radius;
                        radius = radius * prop['chart.animation.grow.multiplier'];

                        var startAngle = (this.startRadians * prop['chart.animation.roundrobin.factor']) - RG.HALFPI + margin;
                        var endAngle = (this.startRadians * prop['chart.animation.roundrobin.factor']) + (segmentRadians * prop['chart.animation.roundrobin.factor']) - RG.HALFPI - margin;

                        var exploded = this.getexploded(i, startAngle, endAngle, prop['chart.exploded']);
                        var explodedX = exploded[0];
                        var explodedY = exploded[1];

                        co.arc(this.centerx + explodedX,
                            this.centery + explodedY,
                            prop['chart.animation.roundrobin.radius'] ? radius * prop['chart.animation.roundrobin.factor'] : radius,
                            startAngle,
                            endAngle,
                            0);
                        co.lineTo(this.centerx + explodedX, this.centery + explodedY);
                        co.closePath(); // End the segment
                        co.stroke();
                        co.fill();

                        // This skirts a double-stroke bug
                        co.beginPath();

                        if (endAngle == 0) {
                            //endAngle = RG.TWOPI;
                        }

                        // Store the start and end angles
                        this.angles.push([
                            startAngle,
                            endAngle,
                            0,
                            radius * prop['chart.animation.roundrobin.factor'],
                            this.centerx + explodedX,
                            this.centery + explodedY
                        ]);

                        /*******************************************************
                         * Draw a stacked segment
                         *******************************************************/
                    } else if (typeof(this.data[i]) == 'object') {

                        var margin = prop['chart.margin'] / (180 / RG.PI);

                        // Initialise the angles2 array so there's no undefined error
                        if (!this.angles2[i]) {
                            this.angles2[i] = [];
                        }


                        for (var j = 0; j < this.data[i].length; ++j) {

                            var startAngle = (this.startRadians * prop['chart.animation.roundrobin.factor']) - RG.HALFPI + margin;
                            var endAngle = (this.startRadians * prop['chart.animation.roundrobin.factor']) + (segmentRadians * prop['chart.animation.roundrobin.factor']) - RG.HALFPI - margin;

                            var exploded = this.getexploded(i, startAngle, endAngle, prop['chart.exploded']);
                            var explodedX = exploded[0];
                            var explodedY = exploded[1];

                            co.strokeStyle = prop['chart.strokestyle'];
                            co.fillStyle = prop['chart.colors'][j];

                            // This facilitates sequential color support
                            if (prop['chart.colors.sequential']) {
                                co.fillStyle = prop['chart.colors'][sequentialColorIndex++];
                            }

                            if (j == 0) {
                                co.beginPath(); // Begin the segment
                                var startRadius = 0;
                                var endRadius = ((this.data[i][j] - prop['chart.ymin']) / (this.max - prop['chart.ymin'])) * this.radius;
                                endRadius = endRadius * prop['chart.animation.grow.multiplier'];

                                co.arc(this.centerx + explodedX,
                                    this.centery + explodedY,
                                    prop['chart.animation.roundrobin.radius'] ? endRadius * prop['chart.animation.roundrobin.factor'] : endRadius,
                                    startAngle,
                                    endAngle,
                                    0);
                                co.lineTo(this.centerx + explodedX, this.centery + explodedY);
                                co.closePath(); // End the segment
                                co.stroke();
                                co.fill();

                                this.angles.push([
                                    startAngle,
                                    endAngle,
                                    0,
                                    endRadius * prop['chart.animation.roundrobin.factor'],
                                    this.centerx + explodedX,
                                    this.centery + explodedY
                                ]);

                                this.angles2[i].push([
                                    startAngle,
                                    endAngle,
                                    0,
                                    endRadius * prop['chart.animation.roundrobin.factor'],
                                    this.centerx + explodedX,
                                    this.centery + explodedY
                                ]);

                            } else {

                                co.beginPath(); // Begin the segment

                                var startRadius = endRadius; // This comes from the prior iteration of this loop
                                var endRadius = (((this.data[i][j] - prop['chart.ymin']) / (this.max - prop['chart.ymin'])) * this.radius) + startRadius;
                                endRadius = endRadius * prop['chart.animation.grow.multiplier'];

                                co.arc(this.centerx + explodedX,
                                    this.centery + explodedY,
                                    startRadius * prop['chart.animation.roundrobin.factor'],
                                    startAngle,
                                    endAngle,
                                    0);

                                co.arc(this.centerx + explodedX,
                                    this.centery + explodedY,
                                    endRadius * prop['chart.animation.roundrobin.factor'],
                                    endAngle,
                                    startAngle,
                                    true);

                                co.closePath(); // End the segment
                                co.stroke();
                                co.fill();

                                this.angles.push([
                                    startAngle,
                                    endAngle,
                                    startRadius * prop['chart.animation.roundrobin.factor'],
                                    endRadius * prop['chart.animation.roundrobin.factor'],
                                    this.centerx + explodedX,
                                    this.centery + explodedY
                                ]);

                                this.angles2[i].push([
                                    startAngle,
                                    endAngle,
                                    startRadius * prop['chart.animation.roundrobin.factor'],
                                    endRadius * prop['chart.animation.roundrobin.factor'],
                                    this.centerx + explodedX,
                                    this.centery + explodedY
                                ]);
                            }
                        }
                    }

                    this.startRadians += segmentRadians;
                }
            }

            // Turn off the transparency
            if (prop['chart.colors.alpha']) {
                co.globalAlpha = 1;
            }

            // Draw the title if any has been set
            if (prop['chart.title']) {
                RG.DrawTitle(this,
                    prop['chart.title'],
                    (ca.height / 2) - this.radius,
                    this.centerx,
                    prop['chart.title.size'] ? prop['chart.title.size'] : prop['chart.text.size'] + 2);
            }
        };


    /**
     * Unsuprisingly, draws the labels
     */
    this.drawLabels =
        this.DrawLabels = function () {
            co.lineWidth = 1;
            var key = prop['chart.key'];

            if (key && key.length) {
                RG.DrawKey(this, key, prop['chart.colors']);
            }

            // Set the color to black
            co.fillStyle = prop['chart.text.color'];
            co.strokeStyle = 'black';

            var radius = this.radius;
            var font = prop['chart.text.font'];
            var size = prop['chart.text.size'];
            var axes = prop['chart.labels.axes'].toLowerCase();
            var decimals = prop['chart.scale.decimals'];
            var units_pre = prop['chart.units.pre'];
            var units_post = prop['chart.units.post'];
            var centerx = this.centerx;
            var centery = this.centery;

            // Draw any circular labels
            if (typeof(prop['chart.labels']) == 'object' && prop['chart.labels']) {
                this.DrawCircularLabels(co, prop['chart.labels'], font, size, radius + 10);
            }


            // Size can be specified seperately for the scale now
            if (typeof(prop['chart.text.size.scale']) == 'number') {
                size = prop['chart.text.size.scale'];
            }


            var color = 'rgba(255,255,255,0.8)';

            // The "North" axis labels
            if (axes.indexOf('n') > -1) {
                for (var i = 0; i < prop['chart.labels.count']; ++i) {
                    RG.Text2(this, {
                        'font': font,
                        'size': size,
                        'x': centerx,
                        'y': centery - (radius * ((i + 1) / prop['chart.labels.count'])),
                        'text': this.scale2.labels[i],
                        'valign': 'center',
                        'halign': 'center',
                        'bounding': true,
                        'boundingFill': color,
                        'boundingStroke': prop['chart.labels.boxed'] ? 'black' : 'rgba(0,0,0,0)',
                        'tag': 'scale'
                    });
                }
            }

            // The "South" axis labels
            if (axes.indexOf('s') > -1) {
                for (var i = 0; i < prop['chart.labels.count']; ++i) {
                    RG.Text2(this, {
                        'font': font,
                        'size': size,
                        'x': centerx,
                        'y': centery + (radius * ((i + 1) / prop['chart.labels.count'])),
                        'text': this.scale2.labels[i],
                        'valign': 'center',
                        'halign': 'center',
                        'bounding': true,
                        'boundingFill': color,
                        'boundingStroke': prop['chart.labels.boxed'] ? 'black' : 'rgba(0,0,0,0)',
                        'tag': 'scale'
                    });
                }
            }

            // The "East" axis labels
            if (axes.indexOf('e') > -1) {
                for (var i = 0; i < prop['chart.labels.count']; ++i) {
                    RG.Text2(this, {
                        'font': font,
                        'size': size,
                        'x': centerx + (radius * ((i + 1) / prop['chart.labels.count'])),
                        'y': centery,
                        'text': this.scale2.labels[i],
                        'valign': 'center',
                        'halign': 'center',
                        'bounding': true,
                        'boundingFill': color,
                        'boundingStroke': prop['chart.labels.boxed'] ? 'black' : 'rgba(0,0,0,0)',
                        'tag': 'scale'
                    });
                }
            }

            // The "West" axis labels
            if (axes.indexOf('w') > -1) {
                for (var i = 0; i < prop['chart.labels.count']; ++i) {
                    RG.Text2(this, {
                        'font': font,
                        'size': size,
                        'x': centerx - (radius * ((i + 1) / prop['chart.labels.count'])),
                        'y': centery,
                        'text': this.scale2.labels[i],
                        'valign': 'center',
                        'halign': 'center',
                        'bounding': true,
                        'boundingFill': color,
                        'boundingStroke': prop['chart.labels.boxed'] ? 'black' : 'rgba(0,0,0,0)',
                        'tag': 'scale'
                    });
                }
            }

            if (axes.length > 0) {
                RG.Text2(this, {
                    'font': font,
                    'size': size,
                    'x': centerx,
                    'y': centery,
                    'text': typeof(prop['chart.ymin']) == 'number' ? RG.number_format(this, Number(prop['chart.ymin']).toFixed(prop['chart.scale.decimals']), units_pre, units_post) : '0',
                    'valign': 'center',
                    'halign': 'center',
                    'bounding': true,
                    'boundingFill': color,
                    'boundingStroke': prop['chart.labels.boxed'] ? 'black' : 'rgba(0,0,0,0)',
                    'tag': 'scale'
                });
            }
        };


    /**
     * Draws the circular labels that go around the charts
     *
     * @param labels array The labels that go around the chart
     */
    this.drawCircularLabels =
        this.DrawCircularLabels = function (co, labels, font, size, radius) {
            var variant = prop['chart.variant'];
            var position = prop['chart.labels.position'];
            var radius = radius + 5 + prop['chart.labels.offset'];
            var centerx = this.centerx;
            var centery = this.centery;

            for (var i = 0; i < labels.length; ++i) {
                if (typeof(variant) == 'string' && variant == 'non-equi-angular') {
                    var a = Number(this.angles[i][0]) + ((this.angles[i][1] - this.angles[i][0]) / 2);
                } else {
                    var a = (RG.TWOPI / labels.length) * (i + 1) - (RG.TWOPI / (labels.length * 2));
                    var a = a - RG.HALFPI + (prop['chart.labels.position'] == 'edge' ? ((RG.TWOPI / labels.length) / 2) : 0);
                }

                var x = centerx + (Math.cos(a) * radius);
                var y = centery + (Math.sin(a) * radius);

                // Horizontal alignment
                if (x > centerx) {
                    halign = 'left';
                } else if (Math.round(x) == centerx) {
                    halign = 'center';
                } else {
                    halign = 'right';
                }

                RG.Text2(this, {
                    'font': font,
                    'size': size,
                    'x': x,
                    'y': y,
                    'text': String(labels[i]),
                    'halign': halign,
                    'valign': 'center',
                    'tag': 'labels'
                });
            }
        };


    /**
     * This function is for use with circular graph types, eg the Pie or Rose. Pass it your event object
     * and it will pass you back the corresponding segment details as an array:
     *
     * [x, y, r, startAngle, endAngle]
     *
     * Angles are measured in degrees, and are measured from the "east" axis (just like the canvas).
     *
     * @param object e   Your event object
     */
    this.getShape =
        this.getSegment = function (e) {
            RG.FixEventObject(e);

            var angles = this.angles;
            var ret = [];

            /**
             * Go through all of the angles checking each one
             */
            for (var i = 0; i < angles.length; ++i) {

                var angleStart = angles[i][0];
                var angleEnd = angles[i][1];
                var radiusStart = angles[i][2];
                var radiusEnd = angles[i][3];
                var centerX = angles[i][4];
                var centerY = angles[i][5];
                var mouseXY = RG.getMouseXY(e);
                var mouseX = mouseXY[0] - centerX;
                var mouseY = mouseXY[1] - centerY;

                // New click testing (the 0.01 is there because Opera doesn't like 0 as the radius)
                co.beginPath();
                co.arc(centerX, centerY, radiusStart ? radiusStart : 0.01, angleStart, angleEnd, false);
                co.arc(centerX, centerY, radiusEnd, angleEnd, angleStart, true);
                co.closePath();

                // No stroke() or fill()


                if (co.isPointInPath(mouseXY[0], mouseXY[1])) {

                    angles[i][6] = i;

                    if (RG.parseTooltipText) {
                        var tooltip = RG.parseTooltipText(prop['chart.tooltips'], angles[i][6]);
                    }

                    // Add the textual keys
                    angles[i]['object'] = this;
                    angles[i]['x'] = angles[i][4];
                    angles[i]['y'] = angles[i][5];
                    angles[i]['angle.start'] = angles[i][0];
                    angles[i]['angle.end'] = angles[i][1];
                    angles[i]['radius.start'] = angles[i][2];
                    angles[i]['radius.end'] = angles[i][3];
                    angles[i]['index'] = angles[i][6];
                    angles[i]['tooltip'] = tooltip ? tooltip : null;

                    return angles[i];
                }
            }

            return null;
        };


    /**
     * Returns any exploded for a particular segment
     */
    this.getExploded =
        this.getexploded = function (index, startAngle, endAngle, exploded) {
            var explodedx, explodedy;

            /**
             * Retrieve any exploded - the exploded can be an array of numbers or a single number
             * (which is applied to all segments)
             */
            if (typeof(exploded) == 'object' && typeof(exploded[index]) == 'number') {
                explodedx = Math.cos(((endAngle - startAngle) / 2) + startAngle) * exploded[index];
                explodedy = Math.sin(((endAngle - startAngle) / 2) + startAngle) * exploded[index];

            } else if (typeof(exploded) == 'number') {
                explodedx = Math.cos(((endAngle - startAngle) / 2) + startAngle) * exploded;
                explodedy = Math.sin(((endAngle - startAngle) / 2) + startAngle) * exploded;

            } else {
                explodedx = 0;
                explodedy = 0;
            }

            return [explodedx, explodedy];
        };


    /**
     * This function facilitates the installation of tooltip event listeners if
     * tooltips are defined.
     */
    this.allowTooltips =
        this.AllowTooltips = function () {
            // Preload any tooltip images that are used in the tooltips
            RG.PreLoadTooltipImages(this);


            /**
             * This installs the window mousedown event listener that lears any
             * highlight that may be visible.
             */
            RG.InstallWindowMousedownTooltipListener(this);


            /**
             * This installs the canvas mousemove event listener. This function
             * controls the pointer shape.
             */
            RG.InstallCanvasMousemoveTooltipListener(this);


            /**
             * This installs the canvas mouseup event listener. This is the
             * function that actually shows the appropriate tooltip (if any).
             */
            RG.InstallCanvasMouseupTooltipListener(this);
        };


    /**
     * Each object type has its own Highlight() function which highlights the appropriate shape
     *
     * @param object shape The shape to highlight
     */
    this.highlight =
        this.Highlight = function (shape) {
            if (prop['chart.tooltips.highlight']) {
                // Add the new segment highlight
                co.beginPath();

                co.strokeStyle = prop['chart.highlight.stroke'];
                co.fillStyle = prop['chart.highlight.fill'];

                co.arc(shape['x'], shape['y'], shape['radius.end'], shape['angle.start'], shape['angle.end'], false);

                if (shape['radius.start'] > 0) {
                    co.arc(shape['x'], shape['y'], shape['radius.start'], shape['angle.end'], shape['angle.start'], true);
                } else {
                    co.lineTo(shape['x'], shape['y']);
                }
                co.closePath();

                co.stroke();
                co.fill();
            }
        };


    /**
     * The getObjectByXY() worker method. Don't call this call:
     *
     * RGraph.ObjectRegistry.getObjectByXY(e)
     *
     * @param object e The event object
     */
    this.getObjectByXY = function (e) {
        var mouseXY = RGraph.getMouseXY(e);

        // Work out the radius
        var radius = RG.getHypLength(this.centerx, this.centery, mouseXY[0], mouseXY[1]);

        if (
            mouseXY[0] > (this.centerx - this.radius)
            && mouseXY[0] < (this.centerx + this.radius)
            && mouseXY[1] > (this.centery - this.radius)
            && mouseXY[1] < (this.centery + this.radius)
            && radius <= this.radius
        ) {

            return this;
        }
    };


    /**
     * This function positions a tooltip when it is displayed
     *
     * @param obj object    The chart object
     * @param int x         The X coordinate specified for the tooltip
     * @param int y         The Y coordinate specified for the tooltip
     * @param objec tooltip The tooltips DIV element
     */
    this.positionTooltip = function (obj, x, y, tooltip, idx) {
        var coordX = obj.angles[idx][4];
        var coordY = obj.angles[idx][5];
        var angleStart = obj.angles[idx][0];
        var angleEnd = obj.angles[idx][1];
        var radius = ((obj.angles[idx][3] - obj.angles[idx][2]) / 2) + obj.angles[idx][2];

        var angleCenter = ((angleEnd - angleStart) / 2) + angleStart;
        var canvasXY = RG.getCanvasXY(obj.canvas);
        var gutterLeft = this.gutterLeft;
        var gutterTop = this.gutterTop;
        var width = tooltip.offsetWidth;
        var height = tooltip.offsetHeight;


        // By default any overflow is hidden
        tooltip.style.overflow = '';

        // The arrow
        var img = new Image();
        img.src = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABEAAAAFCAYAAACjKgd3AAAARUlEQVQYV2NkQAN79+797+RkhC4M5+/bd47B2dmZEVkBCgcmgcsgbAaA9GA1BCSBbhAuA/AagmwQPgMIGgIzCD0M0AMMAEFVIAa6UQgcAAAAAElFTkSuQmCC';
        img.style.position = 'absolute';
        img.id = '__rgraph_tooltip_pointer__';
        img.style.top = (tooltip.offsetHeight - 2) + 'px';
        tooltip.appendChild(img);

        // Reposition the tooltip if at the edges:

        // LEFT edge
        if ((canvasXY[0] + coordX + (Math.cos(angleCenter) * radius) - (width / 2)) < 10) {
            tooltip.style.left = (canvasXY[0] + coordX + (Math.cos(angleCenter) * radius) - (width * 0.1)) + 'px';
            tooltip.style.top = (canvasXY[1] + coordY + (Math.sin(angleCenter) * radius) - height - 5) + 'px';
            img.style.left = ((width * 0.1) - 8.5) + 'px';

            // RIGHT edge
        } else if ((canvasXY[0] + coordX + (Math.cos(angleCenter) * radius) + (width / 2)) > (doc.body.offsetWidth - 10)) {
            tooltip.style.left = (canvasXY[0] + coordX + (Math.cos(angleCenter) * radius) - (width * 0.9)) + 'px';
            tooltip.style.top = (canvasXY[1] + coordY + (Math.sin(angleCenter) * radius) - height - 5) + 'px';
            img.style.left = ((width * 0.9) - 8.5) + 'px';

            // Default positioning - CENTERED
        } else {
            tooltip.style.left = (canvasXY[0] + coordX + (Math.cos(angleCenter) * radius) - (width / 2)) + 'px';
            tooltip.style.top = (canvasXY[1] + coordY + (Math.sin(angleCenter) * radius) - height - 5) + 'px';
            img.style.left = ((width * 0.5) - 8.5) + 'px';
        }
    };


    /**
     * This method gives you the relevant radius for a particular value
     *
     * @param number value The relevant value to get the radius for
     */
    this.getRadius = function (value) {
        // Range checking (the Rose minimum is always 0)
        if (value < 0 || value > this.max) {
            return null;
        }

        var r = (value / this.max) * this.radius;

        return r;
    };


    /**
     * This allows for easy specification of gradients
     */
    this.parseColors = function () {
        // Save the original colors so that they can be restored when the canvas is reset
        if (this.original_colors.length === 0) {
            this.original_colors['chart.colors'] = RG.array_clone(prop['chart.colors']);
            this.original_colors['chart.key.colors'] = RG.array_clone(prop['chart.key.colors']);
            this.original_colors['chart.text.color'] = RG.array_clone(prop['chart.text.color']);
            this.original_colors['chart.title.color'] = RG.array_clone(prop['chart.title.color']);
            this.original_colors['chart.highlight.stroke'] = RG.array_clone(prop['chart.highlight.stroke']);
            this.original_colors['chart.highlight.fill'] = RG.array_clone(prop['chart.highlight.fill']);
        }


        for (var i = 0; i < prop['chart.colors'].length; ++i) {
            prop['chart.colors'][i] = this.parseSingleColorForGradient(prop['chart.colors'][i]);
        }

        /**
         * Key colors
         */
        if (!RG.is_null(prop['chart.key.colors'])) {
            for (var i = 0; i < prop['chart.key.colors'].length; ++i) {
                prop['chart.key.colors'][i] = this.parseSingleColorForGradient(prop['chart.key.colors'][i]);
            }
        }

        prop['chart.text.color'] = this.parseSingleColorForGradient(prop['chart.text.color']);
        prop['chart.title.color'] = this.parseSingleColorForGradient(prop['chart.title.color']);
        prop['chart.highlight.fill'] = this.parseSingleColorForGradient(prop['chart.highlight.fill']);
        prop['chart.highlight.stroke'] = this.parseSingleColorForGradient(prop['chart.highlight.stroke']);
    };


    /**
     * Use this function to reset the object to the post-constructor state. Eg reset colors if
     * need be etc
     */
    this.reset = function () {
    };


    /**
     * This parses a single color value
     */
    this.parseSingleColorForGradient = function (color) {
        if (!color || typeof(color) != 'string') {
            return color;
        }

        if (color.match(/^gradient\((.*)\)$/i)) {

            var parts = RegExp.$1.split(':');

            // Create the gradient
            //var grad = context.createLinearGradient(0,0,canvas.width,0);
            var grad = co.createRadialGradient(this.centerx, this.centery, 0, this.centerx, this.centery, this.radius);

            var diff = 1 / (parts.length - 1);

            grad.addColorStop(0, RG.trim(parts[0]));

            for (var j = 1; j < parts.length; ++j) {
                grad.addColorStop(j * diff, RG.trim(parts[j]));
            }
        }

        return grad ? grad : color;
    };


    /**
     * This function handles highlighting an entire data-series for the interactive
     * key
     *
     * @param int index The index of the data series to be highlighted
     */
    this.interactiveKeyHighlight = function (index) {
        var segments = this.angles2;

        for (var i = 0; i < this.angles2.length; i += 1) {
            co.beginPath();
            co.lineWidth = 2;
            co.fillStyle = prop['chart.key.interactive.highlight.chart.fill'];
            co.strokeStyle = prop['chart.key.interactive.highlight.chart.stroke'];
            co.arc(segments[i][index][4], segments[i][index][5], segments[i][index][2], segments[i][index][0], segments[i][index][1], false);
            co.arc(segments[i][index][4], segments[i][index][5], segments[i][index][3], segments[i][index][1], segments[i][index][0], true);
            co.closePath();
            co.fill();
            co.stroke();
        }

        return
        /*
         if (segments) {
         for (var i=0; i<segments.length; i+=1) {

         }
         }
         */
    };


    /**
     * Using a function to add events makes it easier to facilitate method chaining
     *
     * @param string   type The type of even to add
     * @param function func
     */
    this.on = function (type, func) {
        if (type.substr(0, 2) !== 'on') {
            type = 'on' + type;
        }

        this[type] = func;

        return this;
    };


    /**
     * This function runs once only
     * (put at the end of the file (before any effects))
     */
    this.firstDrawFunc = function () {
    };


    /**
     * Rose chart explode
     *
     * Explodes the Rose chart - gradually incrementing the size of the chart.explode property
     *
     * @param object     Optional options for the effect. You can pass in frames here - such as:
     *                   myRose.roundRobin({frames: 60}; function () {alert('Done!');})
     * @param function   A callback function which is called when the effect is finished
     */
    this.explode = function () {
        var obj = this;
        var opt = arguments[0] || {};
        var callback = arguments[1] || function () {
            };
        var frames = opt.frames ? opt.frames : 30;
        var frame = 0;
        var explodedMax = ma.max(ca.width, ca.height);
        var exploded = Number(this.Get('exploded'));


        function iterator() {
            exploded = (frame / frames) * explodedMax;

            // Set the new value
            obj.Set('exploded', exploded);

            RG.clear(ca);
            RG.redrawCanvas(ca);

            if (frame++ < frames) {
                RG.Effects.updateCanvas(iterator);
            } else {
                callback(obj);
            }
        }


        iterator();

        return this;
    };


    /**
     * RoundRobin
     *
     * This effect is similar to the Pie chart RoundRobin effect
     *
     * @param object     Optional options for the effect. You can pass in frames here - such as:
     *                   myRose.roundRobin({frames: 60}; function () {alert('Done!');})
     * @param function   A callback function which is called when the effect is finished
     */
    this.roundrobin =
        this.roundRobin = function () {
            var obj = this;
            var opt = arguments[0] || {}
            var frames = opt.frames || 30;
            var frame = 0;
            var original_margin = prop['chart.margin'];
            var margin = (360 / this.data.length) / 2;
            var callback = arguments[1] || function () {
                };

            this.Set('chart.margin', margin);
            this.Set('chart.animation.roundrobin.factor', 0);

            function iterator() {
                RG.clear(obj.canvas);
                RG.redrawCanvas(obj.canvas);

                if (frame++ < frames) {
                    obj.set('animation.roundrobin.factor', frame / frames);
                    obj.set('margin', (frame / frames) * original_margin);
                    RG.Effects.updateCanvas(iterator);
                } else {
                    obj.set('animation.roundrobin.factor', 1);
                    obj.set('margin', original_margin);

                    callback(obj);
                }
            }

            iterator();

            return this;
        };


    /**
     * Rose chart implode
     *
     * Implodes the Rose chart - gradually decreasing the size of the chart.explode property. It starts at the largest of
     * the canvas width./height
     *
     * @param object     Optional options for the effect. You can pass in frames here - such as:
     *                   myRose.implode({frames: 60}; function () {alert('Done!');})
     * @param function   A callback function which is called when the effect is finished
     */
    this.implode = function () {
        var obj = this;
        var opt = arguments[0] || {};
        var callback = arguments[1] || function () {
            };
        var frames = opt.frames || 30;
        var frame = 0;
        var explodedMax = ma.max(ca.width, ca.height);
        var exploded = explodedMax;


        function iterator() {
            exploded = explodedMax - ((frame / frames) * explodedMax);

            // Set the new value
            obj.Set('exploded', exploded);

            RG.clear(ca);
            RG.redrawCanvas(ca);

            if (frame++ < frames) {
                RG.Effects.updateCanvas(iterator);
            } else {
                RG.clear(obj.canvas);
                RG.redrawCanvas(obj.canvas);
                callback(obj);
            }
        }

        iterator();

        return this;
    };


    /**
     * Rose chart Grow
     *
     * This effect gradually increases the size of the Rose chart
     *
     * @param object     Optional options for the effect. You can pass in frames here - such as:
     *                   myRose.grow({frames: 60}; function () {alert('Done!');})
     * @param function   A callback function which is called when the effect is finished
     */
    this.grow = function () {
        var obj = this;
        var opt = arguments[0] || {};
        var callback = arguments[1] || function () {
            };
        var frames = opt.frames || 30;
        var frame = 0;

        function iterator() {
            obj.Set('animation.grow.multiplier', frame / frames);

            RG.clear(ca);
            RG.redrawCanvas(ca);

            if (frame < frames) {
                frame++;
                RG.Effects.updateCanvas(iterator);
            } else {
                callback(obj);
            }
        }

        iterator();

        return this;
    };


    /**
     * Register this object
     */
    RG.Register(this);


    /**
     * This is the 'end' of the constructor so if the first argument
     * contains configuration data - handle that.
     */
    if (parseConfObjectForOptions) {
        RG.parseObjectStyleConfig(this, conf.options);
    }
};

Anon7 - 2022
AnonSec Team