File: /home/barbeatleanalyti/www/manage.beatleanalytics.com/theme/black/r_graph/RGraph.svg.funnel.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.Funnel = 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 element 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 = 'funnel';
this.coords = [];
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';
// Determine the maximum value by going thru the data
var obj = this;
this.data.forEach(function (val, key, arr)
{
obj.max = ma.max(obj.max, val);
});
this.properties =
{
gutterLeft: 35,
gutterRight: 35,
gutterTop: 35,
gutterBottom: 35,
backgroundbars: false,
backgroundBarsOpacity: 0.25,
backgroundBarsColors: null,
strokestyle: 'white',
colors: ['red', 'black', 'orange', 'green', '#6ff', '#ccc', 'pink', 'orange', 'cyan', 'maroon', 'olive', 'teal'],
colorsOpacity: 1,
textColor: 'black',
textFont: 'sans-serif',
textSize: 12,
textBold: false,
textItalic: false,
labels: [],
labelsFont: null,
labelsSize: null,
labelsColor: null,
labelsBold: null,
labelsItalic: null,
labelsBackground: null,
labelsAlign: 'center',
labelsPosition: 'section', // This can be section or edge
linewidth: 1,
tooltips: null,
tooltipsOverride: null,
tooltipsEffect: 'fade',
tooltipsCssClass: 'RGraph_tooltip',
tooltipsEvent: 'click',
highlightStroke: 'rgba(0,0,0,0)',
// Lighter than usual because the backgroundBars option can
// mean highlight segments fade into the background
highlightStroke: 'rgba(0,0,0,0)',
highlightFill: 'rgba(255,255,255,0.7)',
highlightLinewidth: 1,
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,
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);
// Reset the coords array to stop it growing
this.coords = [];
// 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;
/**
* 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
*/
// Convert strings to numbers
for (var i=0,len=this.data.length; i<len; ++i) {
if (typeof this.data[i] === 'string') {
this.data[i] = RG.SVG.stringsToNumbers(this.data[i]);
}
}
// Parse the colors for gradients
RG.SVG.resetColorsToOriginalValues({object:this});
this.parseColors();
// Draw the chart
this.drawFunnel();
// Draw the background bars
this.drawBackgroundBars();
// Draw the labels
this.drawLabels();
// Draw the title and subtitle
RG.SVG.drawTitle(this);
// 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?');
}
// 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;
};
//
// Draws the radar.
//
//@param opt object Options for the function (if any)
//
this.drawFunnel = function (opt)
{
// This is the center of the Funnel ONLY - not the whole chart
var centerx = prop.gutterLeft + (this.graphWidth / 2);
// This first loop calculates the coordinates only - it DOES NOT
// draw the Funnel on to the scene
for (var i=0; i<(this.data.length - 1); ++i) {
var value = this.data[i],
nextValue = this.data[i+1],
maxWidth = this.graphWidth,
width = (value / this.max) * this.graphWidth,
height = this.graphHeight / (this.data.length - 1), // The heights are equal
nextWidth = (nextValue / this.max) * this.graphWidth,
nextHeight = height;
// The coordinates
var x1 = centerx - (width / 2),
y1 = prop.gutterTop + (height * i),
x2 = centerx + (width / 2),
y2 = prop.gutterTop + (height * i);
x3 = centerx + (nextWidth / 2),
y3 = prop.gutterTop + (height * (i+1)),
x4 = centerx - (nextWidth / 2),
y4 = prop.gutterTop + (height * (i+1));
// Store the coords
this.coords.push({
x1: x1,
y1: y1,
x2: x2,
y2: y2,
x3: x3,
y3: y3,
x4: x4,
y4: y4,
widthTop: x2 - x1,
widthBottom: x3 - x4,
height: y3 - y2,
object: this
});
}
// Now go thru the coods and draw the shapes
for (var i=0,len=this.coords.length,sequentialIndex=0; i<len; ++i,++sequentialIndex) {
if (i < len) {
var coords = this.coords[i];
var path = RG.SVG.create({
svg: this.svg,
type: 'path',
parent: this.svg.all,
attr: {
d: 'M {1} {2} L {3} {4} L {5} {6} L {7} {8} z'.format(
coords.x1,
coords.y1,
coords.x2,
coords.y2,
coords.x3,
coords.y3,
coords.x4,
coords.y4
),
stroke: prop.strokestyle,
fill: prop.colors[i],
'stroke-width': prop.linewidth,
'data-value': this.data[i],
'data-index': i
}
});
// Store a reference to the SVG path object just created
coords.element = path;
// Install tooltips event listener
// Add the tooltip data- attribute
if (!RG.SVG.isNull(prop.tooltips) && prop.tooltips[i]) {
var obj = this;
//
// Add tooltip event listeners
//
(function (idx, seq)
{
path.addEventListener(prop.tooltipsEvent.replace(/^on/, ''), function (e)
{
obj.removeHighlight();
// Show the tooltip
RG.SVG.tooltip({
object: obj,
index: idx,
group: null,
sequentialIndex: seq,
text: prop.tooltips[seq],
event: e
});
// Highlight the rect that has been clicked on
obj.highlight(e.target);
}, false);
path.addEventListener('mousemove', function (e)
{
e.target.style.cursor = 'pointer'
}, false);
})(i, sequentialIndex);
} // end if
} // end if
} // end for
};
//
// Redraws the chart if required
//
this.redrawFunnel = function ()
{
};
//
// Draws the background bars. This is called AFTER the .draw() function
// and manages to draw the background bars behind the funnel by utilising
// the background layers (or one of them at least)
//
this.drawBackgroundBars = function ()
{
if (prop.backgroundBars) {
for (var i=0; i<this.coords.length; ++i) {
var coords = this.coords[i];
RG.SVG.create({
svg: this.svg,
type: 'rect',
parent: this.layers.background1,
attr: {
x: 0,
y: coords.y1,
width: this.width,
height: coords.y3 - coords.y2,
fill: prop.backgroundBarsColors && typeof prop.backgroundBarsColors === 'object' && typeof prop.backgroundBarsColors[i] === 'string' ? prop.backgroundBarsColors[i] : prop.colors[i],
'fill-opacity': prop.backgroundBarsOpacity
}
});
}
}
};
//
// Draw the labels
//
this.drawLabels = function ()
{
// Create the group that the labels are added to
var labelsGroup = RG.SVG.create({
svg: this.svg,
parent: this.svg.all,
type: 'g'
});
// Determine the alignment
if (prop.labelsHalign === 'left') {
var x = 15;
var halign = 'left';
} else if (prop.labelsHalign === 'right') {
var x = this.width - 15;
var halign = 'right';
} else {
var x = this.width / 2;
var halign = 'center';
}
if (prop.labels && prop.labels.length) {
if (prop.labelsPosition === 'section') {
var sectionHeight = this.graphHeight / prop.labels.length;
for (var i=0; i<prop.labels.length; ++i) {
RG.SVG.text({
object: this,
svg: this.svg,
parent: labelsGroup,
tag: 'labels',
text: typeof prop.labels[i] === 'string' || prop.labels[i] === 'number' ? prop.labels[i].toString() : '',
size: parseInt(prop.labelsSize),
x: x,
y: prop.gutterTop + (sectionHeight / 2) + (i * sectionHeight),
halign: halign,
valign: 'center',
background: prop.labelsBackground || 'rgba(255,255,255,0.5)',
padding: 2,
color: prop.labelsColor || prop.textColor || 'black',
bold: RG.SVG.isNull(prop.labelsBold) ? prop.textBold : prop.labelsBold,
italic: RG.SVG.isNull(prop.labelsItalic) ? prop.labelsItalic : prop.textItalic,
font: prop.labelsFont || prop.textFont
});
}
// edge Positioning
} else {
for (var i=0; i<prop.labels.length; ++i) {
RG.SVG.text({
object: this,
svg: this.svg,
parent: labelsGroup,
tag: 'labels',
text: typeof prop.labels[i] === 'string' || prop.labels[i] === 'number' ? prop.labels[i].toString() : '',
size: parseInt(prop.labelsSize),
x: x,
y: prop.gutterTop + ((this.graphHeight / (prop.labels.length - 1) ) * i),
halign: halign,
valign: 'center',
background: prop.labelsBackground || 'rgba(255,255,255,0.5)',
padding: 2,
color: prop.labelsColor || prop.textColor || 'black',
bold: RG.SVG.isNull(prop.labelsBold) ? prop.textBold : prop.labelsBold,
italic: RG.SVG.isNull(prop.labelsItalic) ? prop.labelsItalic : prop.textItalic,
font: prop.labelsFont || prop.textFont
});
}
}
}
};
/**
* This function can be used to highlight a segment on the chart
*
* @param object circle The circle to highlight
*/
this.highlight = function (path)
{
var path = path.getAttribute('d');
var highlight = RG.SVG.create({
svg: this.svg,
parent: this.svg.all,
type: 'path',
attr: {
d: path,
fill: prop.highlightFill,
stroke: prop.highlightStroke,
'stroke-width': prop.highlightLinewidth
},
style: {
pointerEvents: 'none'
}
});
if (prop.tooltipsEvent === 'mousemove') {
highlight.addEventListener('mouseout', function (e)
{
highlight.parentNode.removeChild(highlight);
RG.SVG.hideTooltip();
RG.SVG.REG.set('highlight', null);
}, false);
}
// Store the highlight rect in the registry so
// it can be cleared later
RG.SVG.REG.set('highlight', highlight);
};
/**
* 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),
backgroundBarsColors: RG.SVG.arrayClone(prop.backgroundBarsColors)
}
}
// colors
var colors = prop.colors;
if (colors) {
for (var i=0; i<colors.length; ++i) {
colors[i] = RG.SVG.parseColorLinear({
object: this,
color: colors[i],
direction:'horizontal'
});
}
}
// backgroundBarsColors
if (prop.backgroundBarsColors && prop.backgroundBarsColors.length) {
for (var i=0; i<prop.backgroundBarsColors.length; ++i) {
prop.backgroundBarsColors[i] = RG.SVG.parseColorLinear({
object: this,
color: prop.backgroundBarsColors[i],
direction:'horizontal'
});
}
}
// Highlight fill
prop.highlightFill = RG.SVG.parseColorLinear({
object: this,
color: prop.highlightFill
});
};
/**
* 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) {
highlight.setAttribute('fill','transparent');
highlight.setAttribute('stroke','transparent');
RG.SVG.REG.set('highlight', null);
}
};
//
// 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);