File: /home/barbeatleanalyti/www/manage.beatleanalytics.com/theme/black/r_graph/RGraph.svg.radar.js
// version: 2018-02-24
/**
* o--------------------------------------------------------------------------------o
* | This file is part of the RGraph package - you can learn more at: |
* | |
* | http://www.rgraph.net |
* | |
* | RGraph is licensed under the Open Source MIT license. That means that it's |
* | totally free to use and there are no restrictions on what you can do with it! |
* o--------------------------------------------------------------------------------o
*/
RGraph = window.RGraph || {isRGraph: true};
RGraph.SVG = RGraph.SVG || {};
// Module pattern
(function (win, doc, undefined)
{
var RG = RGraph,
ua = navigator.userAgent,
ma = Math,
win = window,
doc = document;
RG.SVG.Radar = function (conf)
{
//
// A setter that the constructor uses (at the end)
// to set all of the properties
//
// @param string name The name of the property to set
// @param string value The value to set the property to
//
this.set = function (name, value)
{
if (arguments.length === 1 && typeof name === 'object') {
for (i in arguments[0]) {
if (typeof i === 'string') {
var ret = RG.SVG.commonSetter({
object: this,
name: i,
value: arguments[0][i]
});
name = ret.name;
value = ret.value;
this.set(name, value);
}
}
} else {
var ret = RG.SVG.commonSetter({
object: this,
name: name,
value: value
});
name = ret.name;
value = ret.value;
this.properties[name] = value;
// If setting the colors, update the originalColors
// property too
if (name === 'colors') {
this.originalColors = RG.SVG.arrayClone(value);
this.colorsParsed = false;
}
}
return this;
};
this.id = conf.id;
this.uid = RG.SVG.createUID();
this.container = document.getElementById(this.id);
this.layers = {}; // MUST be before the SVG tag is created!
this.svg = RG.SVG.createSVG({object: this,container: this.container});
this.isRGraph = true;
this.width = Number(this.svg.getAttribute('width'));
this.height = Number(this.svg.getAttribute('height'));
this.data = RG.SVG.arrayClone(conf.data);
this.originalData = RG.SVG.arrayClone(conf.data);
this.type = 'radar';
this.coords = [];
this.coords2 = [];
this.angles = [];
this.angles2 = [];
this.colorsParsed = false;
this.originalColors = {};
this.gradientCounter = 1;
this.nodes = [];
this.shadowNodes = [];
this.max = 0;
this.redraw = false;
this.highlight_node = null;
// Add this object to the ObjectRegistry
RG.SVG.OR.add(this);
// Set the DIV container to be inline-block
this.container.style.display = 'inline-block';
this.properties =
{
centerx: null,
centery: null,
radius: null,
gutterLeft: 35,
gutterRight: 35,
gutterTop: 35,
gutterBottom: 35,
backgroundGrid: true,
backgroundGridColor: '#ddd',
backgroundGridRadialsCount: null,
backgroundGridConcentricsCount: 5,
backgroundGridLinewidth: 1,
backgroundGridPoly: true,
colors: [
'red', 'black', 'orange', 'green', '#6ff', '#ccc',
'pink', 'orange', 'cyan', 'maroon', 'olive', 'teal'
],
filled: false,
filledOpacity: 0.25,
filledAccumulative: true,
textColor: 'black',
textFont: 'sans-serif',
textSize: 12,
textBold: false,
textItalic: false,
labels: [],
scaleVisible: true,
scaleUnitsPre: '',
scaleUnitsPost: '',
scaleMax: null,
scaleMin: 0,
scalePoint: '.',
scaleThousand: ',',
scaleRound: false,
scaleDecimals: 0,
scaleFormatter: null,
scaleBold: null,
scaleItalic: null,
scaleColor: null,
scaleSize: null,
scaleFont: null,
scaleLabelsCount: 5,
linewidth: 1,
tooltips: null,
tooltipsOverride: null,
tooltipsEffect: 'fade',
tooltipsCssClass: 'RGraph_tooltip',
tooltipsEvent: 'mousemove',
highlightStroke: 'rgba(0,0,0,0)',
highlightFill: 'rgba(255,255,255,0.7)',
highlightLinewidth: 1,
tickmarks: 'circle',
tickmarksLinewidth: 1,
tickmarksSize: 6,
tickmarksFill: 'white',
title: '',
titleSize: 16,
titleX: null,
titleY: null,
titleHalign: 'center',
titleValign: null,
titleColor: 'black',
titleFont: null,
titleBold: false,
titleItalic: false,
titleSubtitle: null,
titleSubtitleSize: 10,
titleSubtitleX: null,
titleSubtitleY: null,
titleSubtitleHalign: 'center',
titleSubtitleValign: null,
titleSubtitleColor: '#aaa',
titleSubtitleFont: null,
titleSubtitleBold: false,
titleSubtitleItalic: false,
grouping: 'normal', // Can also be stcked
shadow: false,
shadowOffsetx: 2,
shadowOffsety: 2,
shadowBlur: 2,
shadowOpacity: 0.25,
key: null,
keyColors: null,
keyOffsetx: 0,
keyOffsety: 0,
keyTextOffsetx: 0,
keyTextOffsety: -1,
keyTextSize: null,
keyTextBold: null,
keyTextItalic: null
};
//
// Copy the global object properties to this instance
//
RG.SVG.getGlobals(this);
/**
* "Decorate" the object with the generic effects if the effects library has been included
*/
if (RG.SVG.FX && typeof RG.SVG.FX.decorate === 'function') {
RG.SVG.FX.decorate(this);
}
var prop = this.properties;
//
// The draw method draws the Bar chart
//
this.draw = function ()
{
// Fire the beforedraw event
RG.SVG.fireCustomEvent(this, 'onbeforedraw');
// Should the first thing that's done inthe.draw() function
// except for the onbeforedraw event
this.width = Number(this.svg.getAttribute('width'));
this.height = Number(this.svg.getAttribute('height'));
// Reset the data back to the original values
this.data = RG.SVG.arrayClone(this.originalData);
//
// The datasets have to have the same number of elements
//
if (this.data.length > 1) {
var len = this.data[0].length;
for (var i=1; i<this.data.length; ++i) {
if (this.data[i].length !== len) {
alert('[ERROR] The Radar chart datasets must have the same number of elements!');
}
}
}
// Reset the coords array to stop them growing
this.angles = [];
this.angles2 = [];
this.coords = [];
this.coords2 = [];
// Create the defs tag if necessary
RG.SVG.createDefs(this);
this.graphWidth = this.width - prop.gutterLeft - prop.gutterRight;
this.graphHeight = this.height - prop.gutterTop - prop.gutterBottom;
// Work out the center point
this.centerx = (this.graphWidth / 2) + prop.gutterLeft;
this.centery = (this.graphHeight / 2) + prop.gutterTop;
this.radius = ma.min(this.graphWidth, this.graphHeight) / 2;
// Allow the user to override the calculated centerx/y/radius
this.centerx = typeof prop.centerx === 'number' ? prop.centerx : this.centerx;
this.centery = typeof prop.centery === 'number' ? prop.centery : this.centery;
this.radius = typeof prop.radius === 'number' ? prop.radius : this.radius;
//
// Allow the centerx/centery/radius to be a plus/minus
//
if (typeof prop.radius === 'string' && prop.radius.match(/^\+|-\d+$/) ) this.radius += parseFloat(prop.radius);
if (typeof prop.centerx === 'string' && prop.centerx.match(/^\+|-\d+$/) ) this.centery += parseFloat(prop.centerx);
if (typeof prop.centery === 'string' && prop.centery.match(/^\+|-\d+$/) ) this.centerx += parseFloat(prop.centery);
/**
* Add the data to the .originalData array and work out the max value
*
* 2/5/14 Now also use this loop to ensure that the data pieces
* are numbers
*/
if (RG.SVG.isArray(this.data) && (typeof this.data[0] === 'number' || typeof this.data[0] === 'string')) {
this.data = [this.data];
}
// Convert strings to numbers
for (var i=0; i<this.data.length; ++i) {
for (var j=0; j<this.data[i].length; ++j) {
if (typeof this.data[i][j] === 'string') {
this.data[i][j] = RG.SVG.stringsToNumbers(this.data[i][j]);
}
}
}
// Modify the datasets to represent the stacked data
// (if its stacked)
if (prop.filled && prop.filledAccumulative) {
for (var dataset=1; dataset<this.data.length; ++dataset) {
for (var i=0; i<this.data[dataset].length; ++i) {
this.data[dataset][i] += this.data[dataset - 1][i];
}
}
}
// Get the max value
this.getMaxValue();
// Parse the colors for gradients
RG.SVG.resetColorsToOriginalValues({object:this});
this.parseColors();
//
// Get the scale
//
this.scale = RG.SVG.getScale({
object: this,
numlabels: typeof prop.scaleLabelsCount === 'number' ? prop.scaleLabelsCount : prop.backgroundGridConcentricCount,
unitsPre: prop.scaleUnitsPre,
unitsPost: prop.scaleUnitsPost,
max: typeof prop.scaleMax === 'number' ? prop.scaleMax : this.max,
min: prop.scaleMin,
point: prop.scalePoint,
round: prop.scaleRound,
thousand: prop.scaleThousand,
decimals: prop.scaleDecimals,
strict: typeof prop.scaleMax === 'number',
formatter: prop.scaleFormatter
});
this.max = this.scale.max;
// Draw the background 'grid'
this.drawBackground();
// Draw the chart
this.drawRadar();
// Draw the tickmarks for the chart
this.drawTickmarks();
// Draw the labels
this.drawLabels();
// Draw the title and subtitle
RG.SVG.drawTitle(this);
// Add the tooltip hotspots
this.addTooltipHotspots();
// Draw the key
if (typeof prop.key !== null && RG.SVG.drawKey) {
RG.SVG.drawKey(this);
} else if (!RGraph.SVG.isNull(prop.key)) {
alert('The drawKey() function does not exist - have you forgotten to include the key library?');
}
// Add the attribution link. If you're adding this elsewhere on your page/site
// and you don't want it displayed then there are options available to not
// show it.
RG.SVG.attribution(this);
// Create the shadow definition if needed
if (prop.shadow) {
RG.SVG.setShadow({
object: this,
offsetx: prop.shadowOffsetx,
offsety: prop.shadowOffsety,
blur: prop.shadowBlur,
opacity: prop.shadowOpacity,
id: 'dropShadow'
});
}
// Add the event listener that clears the highlight if
// there is any. Must be MOUSEDOWN (ie before the click event)
var obj = this;
doc.body.addEventListener('mousedown', function (e)
{
obj.hideHighlight(obj);
}, false);
// Fire the draw event
RG.SVG.fireCustomEvent(this, 'ondraw');
return this;
};
//
// Draw the background grid
//
this.drawBackground = function ()
{
if (prop.backgroundGrid) {
// Create the background grid group tag
var grid = RG.SVG.create({
svg: this.svg,
parent: this.svg.all,
type: 'g',
attr: {
className: 'rgraph_radar_grid',
fill: 'rgba(0,0,0,0)',
stroke: prop.backgroundGridColor
}
});
// Draw the concentric "rings" grid lines that are
// arranged around the centerx/centery along with
// the radials that eminate from the center outwards
var origin = 0 - (RG.SVG.TRIG.PI / 2),
radials = (typeof prop.backgroundGridRadialsCount === 'number' ? prop.backgroundGridRadialsCount : this.data[0].length),
concentrics = prop.backgroundGridConcentricsCount,
step = RG.SVG.TRIG.TWOPI / radials;
// First draw the radial lines that emanate from the
// center outwards
if (radials > 0) {
for (var i=0,len=radials; i<len; ++i) {
var coords = RG.SVG.TRIG.toCartesian({
cx: this.centerx,
cy: this.centery,
r: this.radius,
angle: origin + (i * step)
});
var str = 'M {1} {2} L {3} {4}'.format(
this.centerx,
this.centery,
coords.x,
coords.y
);
RG.SVG.create({
svg: this.svg,
type: 'path',
parent: grid,
attr: {
d: str,
stroke: prop.backgroundGridColor,
'stroke-width': prop.backgroundGridLinewidth
}
});
}
}
// Draw the concentrics
if (concentrics > 0) {
if (prop.backgroundGridPoly) {
for (var j=1; j<=concentrics; j++) {
for (var i=0,len=radials,path=[]; i<len; ++i) {
var coords = RG.SVG.TRIG.toCartesian({
cx: this.centerx,
cy: this.centery,
r: this.radius * (j/concentrics),
angle: origin + (i * step)
});
path.push('{1} {2} {3}'.format(
i === 0 ? 'M' : 'L',
coords.x,
coords.y
));
}
// Now add the path to the scene
RG.SVG.create({
svg: this.svg,
type: 'path',
parent: grid,
attr: {
d: path.join(' ') + ' z',
fill: 'transparent',
stroke: prop.backgroundGridColor,
'stroke-width': prop.backgroundGridLinewidth
}
});
}
// Draw the background "grid" as concentric circles
} else {
for (var j=1; j<=concentrics; j++) {
// Add circle to the scene
RG.SVG.create({
svg: this.svg,
type: 'circle',
parent: grid,
attr: {
cx: this.centerx,
cy: this.centery,
r: this.radius * (j/concentrics),
fill: 'transparent',
stroke: prop.backgroundGridColor,
'stroke-width': prop.backgroundGridLinewidth
}
});
}
}
}
}
};
//
// Draws the radar
//
this.drawRadar = function (opt)
{
for (var dataset=0,len=this.data.length; dataset<len; ++dataset) {
// Ensure these exist
this.coords2[dataset] = [];
this.angles2[dataset] = [];
// Initialise the path
var path = [];
for (var i=0,len2=this.data[dataset].length; i<len2; ++i) {
var value = this.data[dataset][i];
var xy = RG.SVG.TRIG.toCartesian({
cx: this.centerx,
cy: this.centery,
r: this.getRadius(this.data[dataset][i]),
angle: (RG.SVG.TRIG.TWOPI / len2) * i - RG.SVG.TRIG.HALFPI
});
xy.r = (( (value - prop.scaleMin) / (this.max - prop.scaleMin) ) ) * this.radius;
xy.angle = (RG.SVG.TRIG.TWOPI / len2) * i - RG.SVG.TRIG.HALFPI;
path.push('{1}{2} {3}'.format(
i === 0 ? 'M' : 'L',
xy.x,
xy.y
));
// Save the coordinates and angle
this.angles.push({
object: this,
dataset: dataset,
index: i,
x: xy.x,
y: xy.y,
cx: this.centerx,
cy: this.centery,
r: xy.r,
angle: xy.angle
});
this.angles2[dataset].push({
object: this,
dataset: dataset,
index: i,
x: xy.x,
y: xy.y,
cx: this.centerx,
cy: this.centery,
r: xy.r,
angle: xy.angle
});
// These coords arrays just store the coordinates of the points.
this.coords.push([
xy.x,
xy.y
]);
this.coords2[dataset].push([
xy.x,
xy.y
]);
}
// If a stacked filled charts then add the reverse path
if (dataset > 0 && prop.filled && prop.filledAccumulative) {
// Add a line completing the "circle"
path.push('L {1} {2}'.format(
this.coords2[dataset][0][0],
this.coords2[dataset][0][1]
));
// Move to the previous dataset
path.push('M {1} {2}'.format(
this.coords2[dataset - 1][0][0],
this.coords2[dataset - 1][0][1]
));
// Now backtrack over the previous dataset
for (var i=this.coords2[dataset - 1].length - 1; i>=0; --i) {
path.push('L {1} {2}'.format(
this.coords2[dataset - 1][i][0],
this.coords2[dataset - 1][i][1]
));
}
this.redraw = true;
} else {
// Add the closepath
path.push('z');
}
var path = RG.SVG.create({
svg: this.svg,
type: 'path',
parent: this.svg.all,
attr: {
d: path.join(" "),
stroke: prop.colors[dataset],
fill: prop.filled ? prop.colors[dataset] : 'transparent',
'fill-opacity': prop.filledOpacity,
'stroke-width': prop.linewidth,
'clip-path': this.isTrace ? 'url(#trace-effect-clip)' : '',
filter: prop.shadow ? 'url(#dropShadow)' : '',
}
});
path.setAttribute('data-dataset', dataset);
}
// Redraw the chart (this only runs if necessary
this.redrawRadar();
};
//
// Redraws the chart if required
//
this.redrawRadar = function ()
{
if (this.redraw) {
this.redraw = false;
// Loop through ths coordinates
for (var dataset = 0; dataset<this.coords2.length; ++dataset) {
var path = [];
for (var i=0; i<this.coords2[dataset].length; ++i) {
if (i === 0) {
path.push('M {1} {2}'.format(
this.coords2[dataset][i][0],
this.coords2[dataset][i][1]
));
} else {
path.push('L {1} {2}'.format(
this.coords2[dataset][i][0],
this.coords2[dataset][i][1]
))
}
}
path.push('z')
RG.SVG.create({
svg: this.svg,
type: 'path',
parent: this.svg.all,
attr: {
d: path.join(" "),
stroke: prop.colors[dataset],
fill: 'transparent',
'stroke-width': prop.linewidth
}
});
}
}
};
//
// Draw the tickmarks
//
this.drawTickmarks = function ()
{
var group = RG.SVG.create({
svg: this.svg,
parent: this.svg.all,
type: 'g',
attr: {
className: 'rgraph_radar_tickmarks'
}
});
for (var i=0; i<this.coords2.length; ++i) {
for (var j=0; j<this.coords2[i].length; ++j) {
if (prop.tickmarks === 'circle' || prop.tickmarks === 'filledcircle' ) {
var c = RG.SVG.create({
svg: this.svg,
type: 'circle',
parent: group,
attr: {
cx: this.coords2[i][j][0],
cy: this.coords2[i][j][1],
r: prop.tickmarksSize,
fill: prop.tickmarks === 'filledcircle' ? prop.colors[i] : prop.tickmarksFill,
stroke: prop.colors[i],
'stroke-width': prop.tickmarksLinewidth,
'clip-path': this.isTrace ? 'url(#trace-effect-clip)' : ''
}
});
c.setAttribute('data-dataset', i);
c.setAttribute('data-index', j);
} else if (prop.tickmarks === 'rect' || prop.tickmarks === 'filledrect') {
var halfTickmarkSize = prop.tickmarksSize / 2;
var fill = typeof prop.tickmarksFill === 'object' && prop.tickmarksFill[i] ? prop.tickmarksFill[i] : prop.tickmarksFill;
var s = RG.SVG.create({
svg: this.svg,
type: 'rect',
parent: group,
attr: {
x: this.coords2[i][j][0] - halfTickmarkSize,
y: this.coords2[i][j][1] - halfTickmarkSize,
width: prop.tickmarksSize,
height: prop.tickmarksSize,
fill: prop.tickmarks === 'filledrect' ? prop.colors[i] : fill,
stroke: prop.colors[i],
'stroke-width': prop.tickmarksLinewidth
}
});
s.setAttribute('data-dataset', i);
s.setAttribute('data-index', j);
}
}
}
};
//
// Draw the labels
//
this.drawLabels = function ()
{
var angles = this.angles2,
prop = this.properties,
labels = prop.labels;
for (var i=0,len=labels.length; i<len; ++i) {
if (!labels[i]) {
continue;
}
var endpoint = RG.SVG.TRIG.getRadiusEndPoint({
angle: RG.SVG.TRIG.TWOPI / labels.length * i - RG.SVG.TRIG.HALFPI,
r: this.radius + 15
});
var x = endpoint[0] + this.centerx,
y = endpoint[1] + this.centery;
//
// Horizontal alignment
if ((i / len) < 0.5) {
halign = 'left';
} else {
halign = 'right';
}
//
// Vertical alignment
//
if ((i / len) < 0.25 || (i / len) > 0.75) {
valign = 'bottom';
} else {
valign = 'top';
}
// Specify the alignment for labels which are on the axes
if ( (i / len) === 0 ) {halign = 'center';}
if ( (i / len) === 0.25 ) {valign = 'center';}
if ( (i / len) === 0.5 ) {halign = 'center';}
if ( (i / len) === 0.75 ) {valign = 'center';}
RG.SVG.text({
object: this,
svg: this.svg,
parent: this.svg.all,
tag: 'labels',
text: labels[i],
size: typeof prop.labelsSize === 'number' ? prop.labelsSize : prop.textSize,
x: x,
y: y,
halign: halign,
valign: 'center',
color: prop.labelsColor || prop.textColor,
bold: typeof prop.labelsBold === 'boolean' ? prop.labelsBold : prop.textBold,
italic: typeof prop.labelsItalic === 'boolean' ? prop.labelsItalic : prop.textItalic,
font: prop.labelsFont || prop.textFont
});
}
// Draw the scale if required
if (prop.scaleVisible) {
for (var i=0; i<this.scale.labels.length; ++i) {
var x = this.centerx;
var y = this.centery - (this.radius / this.scale.labels.length * (i+1) );
RG.SVG.text({
object: this,
svg: this.svg,
parent: this.svg.all,
tag: 'labels.scale',
text: this.scale.labels[i],
size: prop.scaleSize || prop.textSize - 2,
x: x,
y: y,
halign: 'center',
valign: 'center',
background: 'rgba(255,255,255,0.7)',
padding:2,
color: prop.scaleColor || prop.textColor,
bold: typeof prop.scaleBold === 'boolean' ? prop.scaleBold : prop.textBold,
italic: typeof prop.scaleItalic === 'boolean' ? prop.scaleItalic : prop.textItalic,
font: prop.scaleFont || prop.textFont
});
}
// Draw the zero label
var str = RG.SVG.numberFormat({
object: this,
num: this.scale.min.toFixed(prop.scaleDecimals),
prepend: prop.scaleUnitsPre,
append: prop.scaleUnitsPost,
point: prop.scalePoint,
thousand: prop.scaleThousand,
formatter: prop.scaleFormatter
});
RG.SVG.text({
object: this,
svg: this.svg,
parent: this.svg.all,
tag: 'labels.scale',
text: str,
size: prop.scaleSize || prop.textSize - 2,
x: this.centerx,
y: this.centery,
halign: 'center',
valign: 'center',
background: 'rgba(255,255,255,0.7)',
padding:2,
color: prop.scaleColor || prop.textColor,
bold: typeof prop.scaleBold === 'boolean' ? prop.scaleBold : prop.textBold,
italic: typeof prop.scaleItalic === 'boolean' ? prop.scaleItalic : prop.textItalic,
font: prop.scaleFont || prop.textFont
});
}
};
/**
* This function can be used to highlight a segment on the chart
*
* @param object circle The circle to highlight
*/
this.highlight = function (circle)
{
circle.setAttribute('fill', prop.highlightFill);
circle.setAttribute('stroke', prop.highlightStroke);
circle.setAttribute('stroke-width', prop.highlightLinewidth);
this.highlight_node = circle;
RG.SVG.REG.set('highlight', circle);
};
// Add the hide function
//this.hideHighlight = function ()
//{
// var highlight = RG.SVG.REG.get('highlight');
// if (highlight) {
// highlight.setAttribute('fill', 'transparent');
// highlight.setAttribute('stroke', 'transparent');
// }
//};
/**
* 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 (!Object.keys(this.originalColors).length) {
this.originalColors = {
colors: RG.SVG.arrayClone(prop.colors),
highlightFill: RG.SVG.arrayClone(prop.highlightFill)
}
}
// colors
var colors = prop.colors;
if (colors) {
for (var i=0; i<colors.length; ++i) {
colors[i] = RG.SVG.parseColorRadial({
object: this,
color: colors[i]
});
}
}
// Highlight fill
prop.highlightFill = RG.SVG.parseColorRadial({
object: this,
color: prop.highlightFill
});
};
//
// Get the maximum value
//
this.getMaxValue = function ()
{
var max = 0;
if (prop.filled && prop.filledAccumulative) {
this.max = RG.SVG.arrayMax(this.data[this.data.length - 1]);
} else {
for (var dataset=0,max=0; dataset<this.data.length; ++dataset) {
this.max = ma.max(this.max, RG.SVG.arrayMax(this.data[dataset]));
}
}
};
//
// Gets the radius of a value
//
//@param number The value to get the radius for
//
this.getRadius = function (value)
{
return ( (value - prop.scaleMin) / (this.scale.max - prop.scaleMin) ) * this.radius;
};
//
// Adds the circular hotspot that facilitate tooltips
// (to a single point)
//
this.addTooltipHotspots = function ()
{
if (prop.tooltips && prop.tooltips.length > 0) {
// Make the tooltipsEvent default to click
if (prop.tooltipsEvent !== 'mousemove') {
prop.tooltipsEvent = 'click';
}
var group = RG.SVG.create({
svg: this.svg,
type: 'g',
parent: this.svg.all,
attr: {
className: 'rgraph-radar-tooltip-hotspots'
}
});
for (var dataset=0,seq=0; dataset<this.coords2.length; ++dataset) {
for (var i=0; i<this.coords2[dataset].length; ++i) {
var circle = RG.SVG.create({
svg: this.svg,
type: 'circle',
parent: group,
attr: {
cx: this.coords2[dataset][i][0],
cy: this.coords2[dataset][i][1],
r: prop.tickmarksSize,
fill: 'transparent',
stroke: 'transparent',
'stroke-width': 0,
'data-sequential-index': seq
},
style: {
cursor: prop['tooltips'][seq] ? 'pointer' : 'default'
}
});
(function (dataset, index, seq, obj)
{
if (prop.tooltips[seq]) {
circle.addEventListener(prop.tooltipsEvent, function (e)
{
var tooltip = RG.SVG.REG.get('tooltip');
//obj.hideHighlight();
if (tooltip && tooltip.__sequentialIndex__ === seq) {
return;
}
// Show the tooltip
RG.SVG.tooltip({
object: obj,
dataset: dataset,
index: index,
sequentialIndex: seq,
text: prop.tooltips[seq],
event: e
});
// Highlight the shape that has been clicked on
obj.highlight(this);
}, false);
// Install the event listener that changes the
// cursor if necessary
if (prop.tooltipsEvent === 'click') {
circle.addEventListener('mousemove', function (e)
{
e.target.style.cursor = 'pointer';
}, false);
}
}
}(dataset, i, seq++, this));
}
}
}
};
//
// A roundRobin effect for the Pie chart
//
// @param object Options for the effect
// @param function An optional callback function to call when
// the effect is complete
//
this.roundRobin = function ()
{
/*
var obj = this,
opt = arguments[0] || {},
data = RG.SVG.arrayClone(this.data),
prop = this.properties,
frame = 1,
frames = opt.frames || 30,
callback = typeof opt.callback === 'function' ? opt.callback : function () {},
dataSum = RG.SVG.arraySum(this.data),
textColor = prop.textColor;
// Set the text color to transparent
this.properties.textColor = 'rgba(0,0,0,0)';
// Draw the chart first
obj.draw();
// Now get the resulting angles
angles = RG.SVG.arrayClone(obj.angles);
function iterator ()
{
prop.roundRobinMultiplier = 1 / frames * frame++;
for (var i=0; i<obj.angles.length; ++i) {
var value = obj.data[i];
// NB This was an absolute git to work out for some reason.
obj.angles[i].start = angles[i].start * prop.roundRobinMultiplier;
obj.angles[i].end = angles[i].end * prop.roundRobinMultiplier;
//var segment = (((value * prop.roundRobinMultiplier) / dataSum) * RG.SVG.TRIG.TWOPI);
var segment = ((obj.angles[i].end - obj.angles[i].start) / 2);
var explodedX = ma.cos(obj.angles[i].start + segment - RG.SVG.TRIG.HALFPI) * (prop.exploded[i] || 0);
var explodedY = ma.sin(obj.angles[i].start + segment - RG.SVG.TRIG.HALFPI) * (prop.exploded[i] || 0);
var path = RG.SVG.TRIG.getArcPath({
cx: obj.centerx + explodedX,
cy: obj.centery + explodedY,
r: obj.radius,// * prop.roundRobinMultiplier,
start: obj.angles[i].start,
end: obj.angles[i].end
});
path = path + " L {1} {2} Z".format(
obj.centerx + explodedX,
obj.centery + explodedY
);
if (obj.shadowNodes && obj.shadowNodes[i]) {
obj.shadowNodes[i].setAttribute('d', path);
}
obj.nodes[i].setAttribute('d', path);
}
if (frame <= frames) {
RG.SVG.FX.update(iterator);
} else {
prop.textColor = textColor;
RG.SVG.redraw(obj.svg);
callback(obj);
}
}
iterator();
return this;
*/
};
/**
* 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;
}
RG.SVG.addCustomEventListener(this, type, func);
return this;
};
//
// Used in chaining. Runs a function there and then - not waiting for
// the events to fire (eg the onbeforedraw event)
//
// @param function func The function to execute
//
this.exec = function (func)
{
func(this);
return this;
};
//
// Removes the tooltip highlight from the chart
//
this.removeHighlight =
this.hideHighlight = function ()
{
var highlight = RG.SVG.REG.get('highlight');
if (highlight && this.highlight_node) {
this.highlight_node.setAttribute('fill','transparent');
this.highlight_node.setAttribute('stroke','transparent');
RG.SVG.REG.set('highlight', null);
}
};
//
// The trace effect
//
// @param ... object Options to the effect
// @param ... function A callback function to run when the effect finishes
//
this.trace = function ()
{
var opt = arguments[0] || {},
frame = 1,
frames = opt.frames || 120,
obj = this
step = 360 / frames;
this.isTrace = true;
this.draw();
// Create the clip area
var clipPath = RG.SVG.create({
svg: this.svg,
parent: this.svg.defs,
type: 'clipPath',
attr: {
id: 'trace-effect-clip'
}
});
clipPathArcPath = RG.SVG.TRIG.getArcPath2({
cx: this.angles[0].cx,
cy: this.angles[0].cy,
r: this.angles[0].r * 2,
start: 0,
end: 0
});
var clipPathArc = RG.SVG.create({
svg: this.svg,
parent: clipPath,
type: 'path',
attr: {
d: clipPathArcPath
}
});
var iterator = function ()
{
var width = (frame++) / frames * obj.width;
var deg = (360 / frames) * frame++,
rad = (RG.SVG.TRIG.TWOPI / 360) * deg
clipPathArc.setAttribute('d', RG.SVG.TRIG.getArcPath2({
cx: obj.angles[0].cx,
cy: obj.angles[0].cy,
r: obj.angles[0].r * 2,
start: 0,
end: rad
}));
if (frame <= frames) {
RG.SVG.FX.update(iterator);
} else if (opt.callback) {
(opt.callback)(obj);
}
};
iterator();
return this;
};
//
// Set the options that the user has provided
//
for (i in conf.options) {
if (typeof i === 'string') {
this.set(i, conf.options[i]);
}
}
};
return this;
// End module pattern
})(window, document);