RGraph = window.RGraph || {isRGraph: true};
RGraph.SVG = RGraph.SVG || {};
(function (win, doc, undefined)
{
var RG = RGraph,
ua = navigator.userAgent,
ma = Math,
win = window,
doc = document;
RG.SVG.Waterfall = function (conf)
{
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.data = conf.data;
this.type = 'waterfall';
this.coords = [];
this.colorsParsed = false;
this.originalColors = {};
this.gradientCounter = 1;
// Add this object to the ObjectRegistry
RG.SVG.OR.add(this);
this.container.style.display = 'inline-block';
this.properties =
{
gutterLeft: 35,
gutterRight: 35,
gutterTop: 35,
gutterBottom: 35,
backgroundColor: null,
backgroundImage: null,
backgroundImageAspect: 'none',
backgroundImageStretch: true,
backgroundImageOpacity: null,
backgroundImageX: null,
backgroundImageY: null,
backgroundImageW: null,
backgroundImageH: null,
backgroundGrid: true,
backgroundGridColor: '#ddd',
backgroundGridLinewidth: 1,
backgroundGridHlines: true,
backgroundGridHlinesCount: null,
backgroundGridVlines: true,
backgroundGridVlinesCount: null,
backgroundGridBorder: true,
backgroundGridDashed: false,
backgroundGridDotted: false,
backgroundGridDashArray: null,
colors: ['black', 'red', 'blue'],
colorsSequential: false,
strokestyle: '#aaa',
strokestyleConnector: null,
total: true,
hmargin: 5,
linewidth: 1,
yaxis: true,
yaxisTickmarks: true,
yaxisTickmarksLength: 5,
yaxisColor: 'black',
yaxisScale: true,
yaxisLabels: null,
yaxisLabelsOffsetx: 0,
yaxisLabelsOffsety: 0,
yaxisLabelsCount: 5,
yaxisUnitsPre: '',
yaxisUnitsPost: '',
yaxisStrict: false,
yaxisDecimals: 0,
yaxisPoint: '.',
yaxisThousand: ',',
yaxisRound: false,
yaxisMax: null,
yaxisMin: 0,
yaxisFormatter: null,
yaxisTextColor: null,
yaxisTextBold: null,
yaxisTextItalic: null,
yaxisTextFont: null,
yaxisTextSize: null,
xaxis: true,
xaxisTickmarks: true,
xaxisTickmarksLength: 5,
xaxisLabels: null,
xaxisLabelsPosition: 'section',
xaxisLabelsPositionEdgeTickmarksCount: null,
xaxisColor: 'black',
xaxisLabelsOffsetx: 0,
xaxisLabelsOffsety: 0,
labelsAbove: false,
labelsAboveFont: null,
labelsAboveSize: null,
labelsAboveBold: null,
labelsAboveItalic: null,
labelsAboveColor: null,
labelsAboveBackground: 'rgba(255,255,255,0.5)',
labelsAboveBackgroundPadding: 2,
labelsAboveUnitsPre: null,
labelsAboveUnitsPost: null,
labelsAbovePoint: null,
labelsAboveThousand: null,
labelsAboveFormatter: null,
labelsAboveDecimals: null,
labelsAboveOffsetx: 0,
labelsAboveOffsety: 0,
labelsAboveHalign: 'center',
labelsAboveValign: 'bottom',
labelsAboveSpecific: null,
labelsAboveLastFont: null,
labelsAboveLastBold: null,
labelsAboveLastItalic: null,
labelsAboveLastSize: null,
labelsAboveLastColor: null,
labelsAboveLastBackground: null,
labelsAboveLastBackgroundPadding: null,
textColor: 'black',
textFont: 'sans-serif',
textSize: 12,
textBold: false,
textItalic: false,
tooltips: null,
tooltipsOverride: null,
tooltipsEffect: 'fade',
tooltipsCssClass: 'RGraph_tooltip',
tooltipsEvent: 'click',
highlightStroke: 'rgba(0,0,0,0)',
highlightFill: 'rgba(255,255,255,0.7)',
highlightLinewidth: 1,
title: null,
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,
key: null,
keyColors: null,
keyOffsetx: 0,
keyOffsety: 0,
keyTextOffsetx: 0,
keyTextOffsety: -1,
keyTextSize: null,
keyTextBold: null,
keyTextItalic: null
};
RG.SVG.getGlobals(this);
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
this.width = Number(this.svg.getAttribute('width'));
this.height = Number(this.svg.getAttribute('height'));
RG.SVG.createDefs(this);
this.coords = [];
this.graphWidth = this.width - prop.gutterLeft - prop.gutterRight;
this.graphHeight = this.height - prop.gutterTop - prop.gutterBottom;
RG.SVG.resetColorsToOriginalValues({object:this});
this.parseColors();
if (prop.total) {
var sum = RG.SVG.arraySum(this.data);
this.data.push(sum);
if (prop.xaxisLabels && prop.xaxisLabels.length === (this.data.length - 1)) {
prop.xaxisLabels.push('');
}
}
for (var i=0,max=0,runningTotal=0; i<this.data.length - (prop.total ? 1 : 0); ++i) {
runningTotal += this.data[i]
max = ma.max(ma.abs(max), ma.abs(runningTotal));
}
// A custom, user-specified maximum value
if (typeof prop.yaxisMax === 'number') {
max = prop.yaxisMax;
}
// Set the ymin to zero if it's set mirror
if (prop.yaxisMin === 'mirror' || prop.yaxisMin === 'middle' || prop.yaxisMin === 'center') {
var mirrorScale = true;
prop.yaxisMin = 0;
}
this.scale = RG.SVG.getScale({
object: this,
numlabels: prop.yaxisLabelsCount,
unitsPre: prop.yaxisUnitsPre,
unitsPost: prop.yaxisUnitsPost,
max: max,
min: prop.yaxisMin,
point: prop.yaxisPoint,
round: prop.yaxisRound,
thousand: prop.yaxisThousand,
decimals: prop.yaxisDecimals,
strict: typeof prop.yaxisMax === 'number',
formatter: prop.yaxisFormatter
});
if (mirrorScale) {
this.scale = RG.SVG.getScale({
object: this,
numlabels: prop.yaxisLabelsCount,
unitsPre: prop.yaxisUnitsPre,
unitsPost: prop.yaxisUnitsPost,
max: this.scale.max,
min: this.scale.max * -1,
point: prop.yaxisPoint,
round: false,
thousand: prop.yaxisThousand,
decimals: prop.yaxisDecimals,
strict: typeof prop.yaxisMax === 'number',
formatter: prop.yaxisFormatter
});
}
// Now the scale has been generated adopt its max value
this.max = this.scale.max;
this.min = this.scale.min;
prop.yaxisMax = this.scale.max;
prop.yaxisMin = this.scale.min;
// Draw the background first
RG.SVG.drawBackground(this);
// Draw the axes BEFORE the bars
RG.SVG.drawXAxis(this);
RG.SVG.drawYAxis(this);
// Draw the bars
this.drawBars();
// Draw the labelsAbove labels
this.drawLabelsAbove();
// 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
RG.SVG.attribution(this);
RG.SVG.fireCustomEvent(this, 'ondraw');
return this;
};
//
// Draws the bars
//
this.drawBars = function ()
{
this.graphWidth = this.width - prop.gutterLeft - prop.gutterRight;
this.graphHeight = this.height - prop.gutterTop - prop.gutterBottom;
// The width of the bars
var innerWidth = (this.graphWidth / this.data.length) - (2 * prop.hmargin),
outerWidth = (this.graphWidth / this.data.length);
// The starting Y coordinate
var y = this.getYCoord(0),
total = 0;
// Loop thru the data drawing the bars
for (var i=0; i<(this.data.length); ++i) {
var prevValue = this.data[i - 1],
nextValue = this.data[i + 1],
currentValue = this.data[i],
prevTotal = total;
total += parseFloat(this.data[i]) || 0;
// Figure out the height
var height = ma.abs((this.data[i] / (this.scale.max - this.scale.min) ) * this.graphHeight);
// Work out the starting coord
if (RG.SVG.isNull(prevValue)) {
if (currentValue > 0) {
y = this.getYCoord(prevTotal) - height;
} else {
y = this.getYCoord(prevTotal);
}
} else {
if (i == 0 && this.data[i] > 0) {
y = y - height;
} else if (this.data[i] > 0 && this.data[i - 1] > 0) {
y = y - height;
} else if (this.data[i] > 0 && this.data[i - 1] < 0) {
y = y + prevHeight - height;
} else if (this.data[i] < 0 && this.data[i - 1] > 0) {
// Nada
} else if (this.data[i] < 0 && this.data[i - 1] < 0) {
y = y + prevHeight;
}
}
//
// Determine the color
//
var fill = this.data[i] > 0 ? prop.colors[0] : prop.colors[1];
if (prop.colorsSequential) {
fill = prop.colors[i];
}
// The last (the total) value if required
if (prop.total) {
if (i === (this.data.length - 1) && this.data[this.data.length - 1] >= 0) {
y = this.getYCoord(0) - height;
if (!prop.colorsSequential) {
fill = prop.colors[2];
}
} else if (i === (this.data.length - 1) && this.data[this.data.length - 1] < 0) {
y = this.getYCoord(0);
if (!prop.colorsSequential) {
fill = prop.colors[2];
}
}
}
// Calculate the X coordinate
var x = prop.gutterLeft + (outerWidth * i) + prop.hmargin;
// This handles an intermediate total
if (this.data[i] === null || typeof this.data[i] === 'undefined') {
var axisY = this.getYCoord(0);
if (prevValue < 0) {
y = prevY + prevHeight;
} else {
y = prevY;
}
height = this.getYCoord(0) - this.getYCoord(total);
// Do this if not sequential colors
if (!prop.colorsSequential) {
fill = prop.colors[3] || prop.colors[2];
}
if (height < 0) {
y += height;
height *= -1;
}
}
// Create the rect object
var rect = RG.SVG.create({
svg: this.svg,
type: 'rect',
parent: this.svg.all,
attr: {
x: x,
y: y,
width: innerWidth,
height: height,
stroke: prop.strokestyle,
fill: fill,
'stroke-width': prop.linewidth,
'shape-rendering': 'crispEdges',
'data-index': i,
'data-original-x': x,
'data-original-y': y,
'data-original-width': innerWidth,
'data-original-height': height,
'data-original-stroke': prop.strokestyle,
'data-original-fill': fill,
'data-value': String(this.data[i])
}
});
// Store the coordinates
this.coords.push({
object: this,
element: rect,
x: x,
y: y,
width: innerWidth,
height: height
});
// Add the tooltips
if (!RG.SVG.isNull(prop.tooltips) && prop.tooltips[i]) {
var obj = this;
//
// Add tooltip event listeners
//
(function (idx)
{
rect.addEventListener(prop.tooltipsEvent.replace(/^on/, ''), function (e)
{
obj.removeHighlight();
// Show the tooltip
RG.SVG.tooltip({
object: obj,
index: idx,
text: prop.tooltips[idx],
event: e
});
// Highlight the rect that has been clicked on
obj.highlight(e.target);
}, false);
rect.addEventListener('mousemove', function (e)
{
e.target.style.cursor = 'pointer'
}, false);
})(i);
}
// Store these for the next iteration of the loop
var prevX = x,
prevY = y,
prevWidth = innerWidth,
prevHeight = height,
prevValue = this.data[i];
}
// Now draw the connecting lines
for (var i=0; i<this.coords.length; ++i) {
if (this.coords[i+1] && this.coords[i+1].element) {
var x1 = Number(this.coords[i].element.getAttribute('x')) + Number(this.coords[i].element.getAttribute('width')),
y1 = parseInt(this.coords[i].element.getAttribute('y')) + (this.data[i] > 0 ? 0 : parseInt(this.coords[i].element.getAttribute('height')) ),
x2 = x1 + (2 * prop.hmargin),
y2 = parseInt(this.coords[i].element.getAttribute('y')) + (this.data[i] > 0 ? 0 : parseInt(this.coords[i].element.getAttribute('height')) );
// Handle total columns
if(this.coords[i].element.getAttribute('data-value') === 'null') {
y1 = parseFloat(this.coords[i].element.getAttribute('y'));
y2 = parseFloat(y1);
}
var line = RG.SVG.create({
svg: this.svg,
type: 'line',
parent: this.svg.all,
attr: {
x1: x1,
y1: y1 + 0.5,
x2: x2,
y2: y2 + 0.5,
stroke: prop.strokestyleConnector || prop.strokestyle,
'stroke-width': prop.linewidth,
'data-index': i,
'data-original-x1': x1,
'data-original-y1': y1 + 0.5,
'data-original-x2': x2,
'data-original-y2': y2 + 0.5
}
});
}
}
};
/**
* This function can be used to retrieve the relevant Y coordinate for a
* particular value.
*
* @param int value The value to get the Y coordinate for
*/
this.getYCoord = function (value)
{
var prop = this.properties;
if (value > this.scale.max) {
return null;
}
var y, xaxispos = prop.xaxispos;
if (value < this.scale.min) {
return null;
}
y = ((value - this.scale.min) / (this.scale.max - this.scale.min));
y *= (this.height - prop.gutterTop - prop.gutterBottom);
y = this.height - prop.gutterBottom - y;
return y;
};
/**
* This function can be used to highlight a bar on the chart
*
* @param object rect The rectangle to highlight
*/
this.highlight = function (rect)
{
var x = rect.getAttribute('x'),
y = rect.getAttribute('y'),
width = rect.getAttribute('width'),
height = rect.getAttribute('height');
var highlight = RG.SVG.create({
svg: this.svg,
type: 'rect',
parent: this.svg.all,
attr: {
stroke: prop.highlightStroke,
fill: prop.highlightFill,
x: x,
y: y,
width: width,
height: height,
'stroke-width': prop.highlightLinewidth
},
style: {
pointerEvents: 'none'
}
});
//if (prop.tooltipsEvent === 'mousemove') {
//var obj = this;
//highlight.addEventListener('mouseout', function (e)
//{
// obj.removeHighlight();
// RG.SVG.hideTooltip();
// RG.SVG.REG.set('highlight', null);
//}, false);
//}
// Store the highlight rect in the rebistry 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 cleared
if (!Object.keys(this.originalColors).length) {
this.originalColors = {
colors: RG.SVG.arrayClone(prop.colors),
backgroundGridColor: RG.SVG.arrayClone(prop.backgroundGridColor),
highlightFill: RG.SVG.arrayClone(prop.highlightFill),
backgroundColor: RG.SVG.arrayClone(prop.backgroundColor)
}
}
// 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]
});
}
}
prop.backgroundGridColor = RG.SVG.parseColorLinear({object: this, color: prop.backgroundGridColor});
prop.highlightFill = RG.SVG.parseColorLinear({object: this, color: prop.highlightFill});
prop.backgroundColor = RG.SVG.parseColorLinear({object: this, color: prop.backgroundColor});
};
//
// Draws the labelsAbove
//
this.drawLabelsAbove = function ()
{
// Go through the above labels
if (prop.labelsAbove) {
var total = 0;
for (var i=0; i<this.coords.length; ++i) {
var num = this.data[i],
total = total + num;
if (typeof num === 'number' || RG.SVG.isNull(num)) {
if (RG.SVG.isNull(num)) {
num = total;
}
var str = RG.SVG.numberFormat({
object: this,
num: num.toFixed(prop.labelsAboveDecimals),
prepend: typeof prop.labelsAboveUnitsPre === 'string' ? prop.labelsAboveUnitsPre : null,
append: typeof prop.labelsAboveUnitsPost === 'string' ? prop.labelsAboveUnitsPost : null,
point: typeof prop.labelsAbovePoint === 'string' ? prop.labelsAbovePoint : null,
thousand: typeof prop.labelsAboveThousand === 'string' ? prop.labelsAboveThousand : null,
formatter: typeof prop.labelsAboveFormatter === 'function' ? prop.labelsAboveFormatter : null
});
// Facilitate labelsAboveSpecific
if (prop.labelsAboveSpecific && prop.labelsAboveSpecific.length && (typeof prop.labelsAboveSpecific[i] === 'string' || typeof prop.labelsAboveSpecific[i] === 'number') ) {
str = prop.labelsAboveSpecific[i];
} else if ( prop.labelsAboveSpecific && prop.labelsAboveSpecific.length && typeof prop.labelsAboveSpecific[i] !== 'string' && typeof prop.labelsAboveSpecific[i] !== 'number') {
continue;
}
var x = parseFloat(this.coords[i].element.getAttribute('x')) + parseFloat(this.coords[i].element.getAttribute('width') / 2) + prop.labelsAboveOffsetx;
if (this.data[i] >= 0) {
var y = parseFloat(this.coords[i].element.getAttribute('y')) - 7 + prop.labelsAboveOffsety;
var valign = prop.labelsAboveValign;
} else {
var y = parseFloat(this.coords[i].element.getAttribute('y')) + parseFloat(this.coords[i].element.getAttribute('height')) + 7 - prop.labelsAboveOffsety;
var valign = prop.labelsAboveValign === 'top' ? 'bottom' : 'top';
}
// Formatting options for the labels
//
// NB The last label can have different formatting
if (i === (this.coords.length - 1) ) {
var font = prop.labelsAboveLastFont || prop.labelsAboveFont || prop.textFont,
size = prop.labelsAboveLastSize || prop.labelsAboveSize || prop.textSize,
color = prop.labelsAboveLastColor || prop.labelsAboveColor || prop.textColor,
background = prop.labelsAboveLastBackground || prop.labelsAboveBackground || null,
padding = (typeof prop.labelsAboveLastBackgroundPadding === 'number' ? prop.labelsAboveLastBackgroundPadding : prop.labelsAboveBackgroundPadding) || 0;
// Bold
if (typeof prop.labelsAboveLastBold === 'boolean') {
var bold = prop.labelsAboveLastBold;
} else if (typeof prop.labelsAboveBold === 'boolean') {
var bold = prop.labelsAboveBold;
} else {
var bold = prop.textBold;
}
// Italic
if (typeof prop.labelsAboveLastItalic === 'boolean') {
var italic = prop.labelsAboveLastItalic;
} else if (typeof prop.labelsAboveItalic === 'boolean') {
var italic = prop.labelsAboveItalic;
} else {
var italic = prop.textItalic;
}
} else {
var font = prop.labelsAboveFont || prop.textFont,
size = prop.labelsAboveSize || prop.textSize,
color = prop.labelsAboveColor || prop.textColor,
background = prop.labelsAboveBackground || null,
padding = prop.labelsAboveBackgroundPadding || 0;
// Bold
if (typeof prop.labelsAboveBold === 'boolean') {
var bold = prop.labelsAboveBold;
} else {
var bold = prop.textBold;
}
// Italic
if (typeof prop.labelsAboveItalic === 'boolean') {
var italic = prop.labelsAboveItalic;
} else {
var italic = prop.textItalic;
}
}
RG.SVG.text({
object: this,
parent: this.svg.all,
tag: 'labels.above',
text: str,
x: x,
y: y,
halign: prop.labelsAboveHalign,
valign: valign,
font: font,
size: size,
bold: bold,
italic: italic,
color: color,
background: background,
padding: padding
});
}
}
}
};
/**
* 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;
};
//
// Remove highlight from the chart (tooltips)
//
this.removeHighlight = function ()
{
var highlight = RG.SVG.REG.get('highlight');
if (highlight && highlight.parentNode) {
highlight.parentNode.removeChild(highlight);
}
RG.SVG.REG.set('highlight', null);
};
//
// The Bar chart grow effect
//
this.grow = function ()
{
var opt = arguments[0] || {},
frames = opt.frames || 30,
frame = 0,
obj = this,
data = [],
height = null,
seq = 0;
/*
//
// Copy the data
//
data = RG.SVG.arrayClone(this.data);
this.draw();
var iterate = function ()
{
for (var i=0,seq=0,len=obj.coords.length; i<len; ++i, ++seq) {
var multiplier = (frame / frames)
* RG.SVG.FX.getEasingMultiplier(frames, frame)
* RG.SVG.FX.getEasingMultiplier(frames, frame);
// TODO Go through the data and update the value according to
// the frame number
if (typeof data[i] === 'number') {
height = ma.abs(obj.getYCoord(data[i]) - obj.getYCoord(0));
obj.data[i] = data[i] * multiplier;
height = multiplier * height;
// Set the new height on the rect
obj.coords[seq].element.setAttribute(
'height',
height
);
// Set the correct Y coord on the object
obj.coords[seq].element.setAttribute(
'y',
data[i] < 0 ? obj.getYCoord(0) : obj.getYCoord(0) - height
);
} else if (typeof data[i] === 'object') {
var accumulativeHeight = 0;
for (var j=0,len2=data[i].length; j<len2; ++j, ++seq) {
height = ma.abs(obj.getYCoord(data[i][j]) - obj.getYCoord(0));
height = multiplier * height;
obj.data[i][j] = data[i][j] * multiplier;
obj.coords[seq].element.setAttribute(
'height',
height
);
obj.coords[seq].element.setAttribute(
'y',
data[i][j] < 0 ? (obj.getYCoord(0) + accumulativeHeight) : (obj.getYCoord(0) - height - accumulativeHeight)
);
accumulativeHeight += (prop.grouping === 'stacked' ? height : 0);
}
//
// Set the height and Y cooord of the backfaces if necessary
//
if (obj.stackedBackfaces[i]) {
obj.stackedBackfaces[i].setAttribute(
'height',
accumulativeHeight
);
obj.stackedBackfaces[i].setAttribute(
'y',
obj.height - prop.gutterBottom - accumulativeHeight
);
}
// Decrease seq by one so that it's not incremented twice
--seq;
}
}
if (frame++ < frames) {
RG.SVG.FX.update(iterate);
} else if (opt.callback) {
(opt.callback)(obj);
}
};
iterate();
*/
return this;
};
this.wave = function ()
{
return this;
};
for (i in conf.options) {
if (typeof i === 'string') {
this.set(i, conf.options[i]);
}
}
};
return this;
})(window, document);