0
0
mirror of https://github.com/salesagility/SuiteCRM.git synced 2024-11-22 07:52:36 +00:00
salesagility_SuiteCRM/include/SuiteGraphs/rgraph/libraries/RGraph.bipolar.js

2003 lines
66 KiB
JavaScript

// version: 2015-11-02
/**
* o--------------------------------------------------------------------------------o
* | This file is part of the RGraph package - you can learn more at: |
* | |
* | http://www.rgraph.net |
* | |
* | RGraph is dual licensed under the Open Source GPL (General Public License) |
* | v2.0 license and a commercial license which means that you're not bound by |
* | the terms of the GPL. The commercial license is just £99 (GBP) and you can |
* | read about it here: |
* | http://www.rgraph.net/license |
* o--------------------------------------------------------------------------------o
*/
RGraph = window.RGraph || {isRGraph: true};
/**
* The bi-polar/age frequency constructor.
*
* @param string id The id of the canvas
* @param array left The left set of data points
* @param array right The right set of data points
*
* REMEMBER If ymin is implemented you need to update the .getValue() method
*/
RGraph.Bipolar = function (conf)
{
/**
* Allow for object config style
*/
if ( typeof conf === 'object'
&& typeof conf.left === 'object'
&& typeof conf.right === 'object'
&& typeof conf.id === 'string') {
var id = conf.id,
canvas = document.getElementById(id),
left = conf.left,
right = conf.right,
parseConfObjectForOptions = true // Set this so the config is parsed (at the end of the constructor)
} else {
var id = conf,
canvas = document.getElementById(id),
left = arguments[1],
right = arguments[2]
}
// Get the canvas and context objects
this.id = id;
this.canvas = canvas;
this.context = this.canvas.getContext('2d');
this.canvas.__object__ = this;
this.type = 'bipolar';
this.coords = [];
this.coordsLeft = [];
this.coordsRight = [];
this.max = 0;
this.isRGraph = true;
this.uid = RGraph.CreateUID();
this.canvas.uid = this.canvas.uid ? this.canvas.uid : RGraph.CreateUID();
this.coordsText = [];
this.original_colors = [];
this.firstDraw = true; // After the first draw this will be false
/**
* Compatibility with older browsers
*/
//RGraph.OldBrowserCompat(this.context);
// The left and right data respectively
this.left = left;
this.right = right;
this.data = [left, right];
this.properties =
{
'chart.background.grid': true,
'chart.background.grid.color': '#ddd',
'chart.background.grid.vlines': true,
'chart.background.grid.hlines': true,
'chart.background.grid.linewidth': 1,
'chart.background.grid.autofit.numvlines': null,
'chart.background.grid.autofit.numhlines': null,
'chart.margin': 2,
'chart.xtickinterval': null,
'chart.labels': [],
'chart.labels.color': null,
'chart.labels.above': false,
'chart.text.size': 12,
'chart.text.color': 'black', // (Simple) gradients are not supported
'chart.text.font': 'Arial',
'chart.title.left': '',
'chart.title.right': '',
'chart.gutter.center': 60,
'chart.gutter.left': 25,
'chart.gutter.right': 25,
'chart.gutter.top': 25,
'chart.gutter.bottom': 30,
'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.colors': ['#0f0'],
'chart.colors.sequential': false,
'chart.contextmenu': null,
'chart.tooltips': null,
'chart.tooltips.effect': 'fade',
'chart.tooltips.css.class': 'RGraph_tooltip',
'chart.tooltips.highlight': true,
'chart.tooltips.event': 'onclick',
'chart.highlight.stroke': 'rgba(0,0,0,0)',
'chart.highlight.fill': 'rgba(255,255,255,0.7)',
'chart.units.pre': '',
'chart.units.post': '',
'chart.shadow': false,
'chart.shadow.color': '#666',
'chart.shadow.offsetx': 3,
'chart.shadow.offsety': 3,
'chart.shadow.blur': 3,
'chart.annotatable': false,
'chart.annotate.color': 'black',
'chart.xmax': null,
'chart.xmin': 0,
'chart.scale.zerostart': false,
'chart.scale.decimals': null,
'chart.scale.point': '.',
'chart.scale.thousand': ',',
'chart.axis.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.background': null,
'chart.strokestyle': 'rgba(0,0,0,0)',
'chart.events.mousemove': null,
'chart.events.click': null,
'chart.linewidth': 1,
'chart.noaxes': false,
'chart.xlabels': true,
'chart.numyticks': null,
'chart.numxticks': 5,
'chart.axis.linewidth': 1,
'chart.labels.count': 5,
'chart.variant.threed.offsetx': 10,
'chart.variant.threed.offsety': 5,
'chart.variant.threed.angle': 0.1
}
// Pad the arrays so they're the same size
while (this.left.length < this.right.length) this.left.push(null);
while (this.left.length > this.right.length) this.right.push(null);
/**
* Set the default for the number of Y tickmarks
*/
this.properties['chart.numyticks'] = this.left.length;
/**
* Create the dollar objects so that functions can be added to them
*/
var linear_data = RGraph.arrayLinearize(this.left, this.right);
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,
ca = this.canvas,
co = ca.getContext('2d'),
prop = this.properties,
pa = RG.Path,
pa2 = RG.path2,
win = window,
doc = document,
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);
}
/**
* The setter
*
* @param name string The name of the parameter to set
* @param value mixed The value of the paraneter
*/
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;
}
// Convert uppercase letters to dot+lower case letter
name = name.replace(/([A-Z])/g, function (str)
{
return '.' + String(RegExp.$1).toLowerCase();
});
prop[name] = value;
return this;
};
/**
* The getter
*
* @param name string The name of the parameter 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;
}
// Convert uppercase letters to dot+lower case letter
name = name.replace(/([A-Z])/g, function (str)
{
return '.' + String(RegExp.$1).toLowerCase()
});
return this.properties[name.toLowerCase()];
};
/**
* Draws the graph
*/
this.draw =
this.Draw = function ()
{
/**
* Fire the onbeforedraw event
*/
RG.FireCustomEvent(this, 'onbeforedraw');
/**
* Parse the colors. This allows for simple gradient syntax
*/
if (!this.colorsParsed) {
this.parseColors();
// Don't want to do this again
this.colorsParsed = true;
}
/**
* This is new in May 2011 and facilitates indiviual gutter settings,
* eg chart.gutter.left
*/
this.gutterLeft = prop['chart.gutter.left'];
this.gutterRight = prop['chart.gutter.right'];
this.gutterTop = prop['chart.gutter.top'];
this.gutterBottom = prop['chart.gutter.bottom'];
this.gutterCenter = prop['chart.gutter.center'];
// Reset the data to what was initially supplied
this.left = this.data[0];
this.right = this.data[1];
/**
* Reset the coords array
*/
this.coords = [];
/**
* Stop this growing uncontrollably
*/
this.coordsText = [];
if (prop['chart.variant'] === '3d') {
co.setTransform(1,prop['chart.variant.threed.angle'],0,1,0.5,0.5);
}
// Some necessary variables
this.axisWidth = (ca.width - prop['chart.gutter.center'] - this.gutterLeft - this.gutterRight) / 2;
this.axisHeight = ca.height - this.gutterTop - this.gutterBottom;
// Reset the sequential index
this.sequentialFullIndex = 0;
this.getMax();
this.drawBackgroundGrid();
this.draw3DAxes();
this.drawAxes();
this.drawTicks();
co.save();
co.beginPath();
co.rect(this.gutterLeft, this.gutterTop - (prop['chart.variant.threed.offsety'] || 0), ca.width - this.gutterLeft - this.gutterRight, ca.height - this.gutterTop - this.gutterBottom + (2 * (prop['chart.variant.threed.offsety'] || 0)) );
co.clip();
this.drawLeftBars();
this.drawRightBars();
// Redraw the bars so that shadows on not on top
this.drawLeftBars({shadow: false});
this.drawRightBars({shadow: false});
co.restore();
this.drawAxes();
this.drawLabels();
this.drawTitles();
/**
* 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 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;
};
/**
* 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;
};
/**
* Draws the axes
*/
this.draw3DAxes = function ()
{
if (prop['chart.variant'] === '3d') {
var offsetx = prop['chart.variant.threed.offsetx'],
offsety = prop['chart.variant.threed.offsety'];
// Set the linewidth
co.lineWidth = prop['chart.axis.linewidth'] + 0.001;
// Draw the left set of axes
co.beginPath();
co.strokeStyle = prop['chart.axis.color'];
// Draw the horizontal 3d axis
// The left horizontal axis
pa(co, [
'b',
'm', this.gutterLeft, ma.round( ca.height - this.gutterBottom),
'l', this.gutterLeft + offsetx, ma.round( ca.height - this.gutterBottom - offsety),
'l', this.gutterLeft + offsetx + this.axisWidth, ma.round( ca.height - this.gutterBottom - offsety),
'l', this.gutterLeft + this.axisWidth, ma.round( ca.height - this.gutterBottom),
's', '#aaa',
'f','#ddd'
]);
// The left vertical axis
this.draw3DLeftVerticalAxis();
// Draw the right horizontal axes
pa(co, [
'b',
'm', this.gutterLeft + this.gutterCenter + this.axisWidth, ma.round( ca.height - this.gutterBottom),
'l',this.gutterLeft + this.gutterCenter + this.axisWidth + offsetx, ma.round( ca.height - this.gutterBottom - offsety),
'l',this.gutterLeft + this.gutterCenter + this.axisWidth + this.axisWidth + offsetx, ma.round( ca.height - this.gutterBottom - offsety),
'l',this.gutterLeft + this.gutterCenter + this.axisWidth + this.axisWidth, ma.round( ca.height - this.gutterBottom),
's', '#aaa',
'f','#ddd'
]);
// Draw the right vertical axes
pa(co, [
'b',
'm', this.gutterLeft + this.gutterCenter + this.axisWidth, ca.height - this.gutterBottom,
'l', this.gutterLeft + this.gutterCenter + this.axisWidth, ca.height - this.gutterBottom - this.axisHeight,
'l',this.gutterLeft + this.gutterCenter + this.axisWidth + offsetx, ca.height - this.gutterBottom - this.axisHeight - offsety,
'l',this.gutterLeft + this.gutterCenter + this.axisWidth + offsetx, ca.height - this.gutterBottom - offsety,
's', '#aaa',
'f','#ddd'
]);
}
}
this.draw3DLeftVerticalAxis = function ()
{
if (prop['chart.variant'] === '3d') {
var offsetx = prop['chart.variant.threed.offsetx'],
offsety = prop['chart.variant.threed.offsety'];
// The left vertical axis
pa(co, [
'b',
'm', this.gutterLeft + this.axisWidth, this.gutterTop,
'l', this.gutterLeft + this.axisWidth + offsetx, this.gutterTop - offsety,
'l', this.gutterLeft + this.axisWidth + offsetx, ca.height - this.gutterBottom - offsety,
'l',this.gutterLeft + this.axisWidth, ca.height - this.gutterBottom,
's', '#aaa',
'f','#ddd'
]);
}
};
/**
* Draws the axes
*/
this.drawAxes =
this.DrawAxes = function ()
{
// Set the linewidth
co.lineWidth = prop['chart.axis.linewidth'] + 0.001;
// Draw the left set of axes
co.beginPath();
co.strokeStyle = prop['chart.axis.color'];
this.axisWidth = (ca.width - prop['chart.gutter.center'] - this.gutterLeft - this.gutterRight) / 2;
this.axisHeight = ca.height - this.gutterTop - this.gutterBottom;
// This must be here so that the two above variables are calculated
if (prop['chart.noaxes']) {
return;
}
co.moveTo(this.gutterLeft, Math.round( ca.height - this.gutterBottom));
co.lineTo(this.gutterLeft + this.axisWidth, Math.round( ca.height - this.gutterBottom));
co.moveTo(ma.round( this.gutterLeft + this.axisWidth), ca.height - this.gutterBottom);
co.lineTo(ma.round( this.gutterLeft + this.axisWidth), this.gutterTop);
co.stroke();
// Draw the right set of axes
co.beginPath();
var x = this.gutterLeft + this.axisWidth + prop['chart.gutter.center'];
co.moveTo(Math.round( x), this.gutterTop);
co.lineTo(Math.round( x), ca.height - this.gutterBottom);
co.moveTo(Math.round( x), Math.round( ca.height - this.gutterBottom));
co.lineTo(ca.width - this.gutterRight, Math.round( ca.height - this.gutterBottom));
co.stroke();
};
/**
* Draws the tick marks on the axes
*/
this.drawTicks =
this.DrawTicks = function ()
{
// Set the linewidth
co.lineWidth = prop['chart.axis.linewidth'] + 0.001;
var numDataPoints = this.left.length;
var barHeight = ( (ca.height - this.gutterTop - this.gutterBottom)- (this.left.length * (prop['chart.margin'] * 2) )) / numDataPoints;
// Store this for later
this.barHeight = barHeight;
// If no axes - no tickmarks
if (prop['chart.noaxes']) {
return;
}
// Draw the left Y tick marks
if (prop['chart.numyticks'] > 0) {
co.beginPath();
for (var i=0; i<prop['chart.numyticks']; ++i) {
var y = prop['chart.gutter.top'] + (((ca.height - this.gutterTop - this.gutterBottom) / prop['chart.numyticks']) * i);
co.moveTo(this.gutterLeft + this.axisWidth , y);
co.lineTo(this.gutterLeft + this.axisWidth + 3, y);
}
co.stroke();
//Draw the right axis Y tick marks
co.beginPath();
for (var i=0; i<prop['chart.numyticks']; ++i) {
var y = prop['chart.gutter.top'] + (((ca.height - this.gutterTop - this.gutterBottom) / prop['chart.numyticks']) * i);
co.moveTo(this.gutterLeft + this.axisWidth + prop['chart.gutter.center'], y);
co.lineTo(this.gutterLeft + this.axisWidth + prop['chart.gutter.center'] - 3, y);
}
co.stroke();
}
/**
* X tickmarks
*/
if (prop['chart.numxticks'] > 0) {
var xInterval = this.axisWidth / prop['chart.numxticks'];
// Is chart.xtickinterval specified ? If so, use that.
if (typeof(prop['chart.xtickinterval']) == 'number') {
xInterval = prop['chart.xtickinterval'];
}
// Draw the left sides X tick marks
for (i=this.gutterLeft; i<(this.gutterLeft + this.axisWidth); i+=xInterval) {
co.beginPath();
co.moveTo(Math.round( i), ca.height - this.gutterBottom);
co.lineTo(Math.round( i), (ca.height - this.gutterBottom) + 4);
co.closePath();
co.stroke();
}
// Draw the right sides X tick marks
var stoppingPoint = ca.width - this.gutterRight;
for (i=(this.gutterLeft + this.axisWidth + prop['chart.gutter.center'] + xInterval); i<=stoppingPoint; i+=xInterval) {
co.beginPath();
co.moveTo(Math.round(i), ca.height - this.gutterBottom);
co.lineTo(Math.round(i), (ca.height - this.gutterBottom) + 4);
co.closePath();
co.stroke();
}
}
};
/**
* Figures out the maximum value, or if defined, uses xmax
*/
this.getMax =
this.GetMax = function()
{
var dec = prop['chart.scale.decimals'];
// chart.xmax defined
if (prop['chart.xmax']) {
var max = prop['chart.xmax'];
var min = prop['chart.xmin'];
this.scale2 = RG.getScale2(this, {
'max':max,
'min':min,
'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.min = this.scale2.min;
/**
* Generate the scale ourselves
*/
} else {
var max = Math.max(RG.array_max(this.left), RG.array_max(this.right));
this.scale2 = RG.getScale2(this, {
'max':max,
//'strict': true,
'min':prop['chart.xmin'],
'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.min = this.scale2.min;
}
// Don't need to return it as it is stored in this.max
};
/**
* Function to draw the left hand bars
*/
this.drawLeftBars =
this.DrawLeftBars = function ()
{
var opt = {};
if (typeof arguments[0] === 'object') {
opt.shadow = arguments[0].shadow;
} else {
opt.shadow = true;
}
var offsetx = prop['chart.variant.threed.offsetx'],
offsety = prop['chart.variant.threed.offsety'];
// Set the stroke colour
co.strokeStyle = prop['chart.strokestyle'];
// Set the linewidth
co.lineWidth = prop['chart.linewidth'];
for (var i=(this.left.length - 1); i>=0; i-=1) {
/**
* Turn on a shadow if requested
*/
if (prop['chart.shadow'] && prop['chart.variant'] !== '3d' && opt.shadow) {
co.shadowColor = prop['chart.shadow.color'];
co.shadowBlur = prop['chart.shadow.blur'];
co.shadowOffsetX = prop['chart.shadow.offsetx'];
co.shadowOffsetY = prop['chart.shadow.offsety'];
}
// If chart.colors.sequential is specified - handle that
// ** There's another instance of this further down **
if (prop['chart.colors.sequential']) {
co.fillStyle = prop['chart.colors'][i];
} else {
co.fillStyle = prop['chart.colors'][0];
}
/**
* Work out the coordinates
*/
var width = (( (this.left[i] - this.min) / (this.max - this.min)) * this.axisWidth);
var coords = [
ma.round( this.gutterLeft + this.axisWidth - width),
ma.round( this.gutterTop + (i * ( this.axisHeight / this.left.length)) + prop['chart.margin']),
width,
this.barHeight
];
// Draw the IE shadow if necessary
if (RG.ISOLD && prop['chart.shadow']) {
this.drawIEShadow(coords);
}
if (this.left[i] !== null) {
co.strokeRect(coords[0], coords[1], coords[2], coords[3]);
co.fillRect(coords[0], coords[1], coords[2], coords[3]);
}
// Draw the 3D sides if required
if (prop['chart.variant'] === '3d' && this.left[i] !== null) {
// If the shadow is enabled draw the backface for
// (that we don't actually see
if (prop['chart.shadow'] && opt.shadow) {
co.shadowColor = prop['chart.shadow.color'];
co.shadowBlur = prop['chart.shadow.blur'];
co.shadowOffsetX = prop['chart.shadow.offsetx'];
co.shadowOffsetY = prop['chart.shadow.offsety'];
pa(co, [
'b',
'm',coords[0] + offsetx, coords[1] - offsety,
'l',coords[0] + offsetx + coords[2], coords[1] - offsety,
'l',coords[0] + offsetx + coords[2], coords[1] - offsety + coords[3],
'l',coords[0] + offsetx,coords[1] - offsety + coords[3],
'f', 'black',
'sc', 'rgba(0,0,0,0)',
'sx', 0,
'sy', 0,
'sb', 0
]);
}
// If chart.colors.sequential is specified - handle that (again)
//
// ** There's another instance of this further up **
if (prop['chart.colors.sequential']) {
co.fillStyle = prop['chart.colors'][i];
} else {
co.fillStyle = prop['chart.colors'][0];
}
pa(co, [
'b',
'm',coords[0],coords[1],
'l',coords[0] + offsetx, coords[1] - offsety,
'l',coords[0] + offsetx + coords[2], coords[1] - offsety,
'l',coords[0] + coords[2], coords[1],
'f', null
]);
pa(co, [
'b',
'm',coords[0],coords[1],
'l',coords[0] + offsetx, coords[1] - offsety,
'l',coords[0] + offsetx + coords[2], coords[1] - offsety,
'l',coords[0] + coords[2], coords[1],
'f', 'rgba(255,255,255,0.4)'
]);
}
this.draw3DLeftVerticalAxis();
// Add the coordinates to the coords array
this.coords.push([coords[0],coords[1],coords[2],coords[3]]);
this.coordsLeft.push([coords[0],coords[1],coords[2],coords[3]]);
}
/**
* Turn off any shadow
*/
RG.noShadow(this);
// Reset the linewidth
co.lineWidth = 1;
};
/**
* Function to draw the right hand bars
*/
this.drawRightBars =
this.DrawRightBars = function ()
{
var opt = {};
if (typeof arguments[0] === 'object') {
opt.shadow = arguments[0].shadow;
} else {
opt.shadow = true;
}
var offsetx = prop['chart.variant.threed.offsetx'],
offsety = prop['chart.variant.threed.offsety'];
// Set the stroke colour
co.strokeStyle = prop['chart.strokestyle'];
// Set the linewidth
co.lineWidth = prop['chart.linewidth'];
/**
* Turn on a shadow if requested
*/
if (prop['chart.shadow'] && prop['chart.variant'] !== '3d' && opt.shadow) {
co.shadowColor = prop['chart.shadow.color'];
co.shadowBlur = prop['chart.shadow.blur'];
co.shadowOffsetX = prop['chart.shadow.offsetx'];
co.shadowOffsetY = prop['chart.shadow.offsety'];
}
for (var i=(this.right.length - 1); i>=0; i-=1) {
// If chart.colors.sequential is specified - handle that
if (prop['chart.colors.sequential']) {
co.fillStyle = prop['chart.colors'][i];
} else {
co.fillStyle = prop['chart.colors'][0];
}
var width = (((this.right[i] - this.min) / (this.max - this.min)) * this.axisWidth);
var coords = [
ma.round( this.gutterLeft + this.axisWidth + prop['chart.gutter.center']),
ma.round( prop['chart.margin'] + (i * (this.axisHeight / this.right.length)) + this.gutterTop),
width,
this.barHeight
];
// Draw the IE shadow if necessary
if (RG.ISOLD && prop['chart.shadow']) {
this.DrawIEShadow(coords);
}
if (this.right[i] !== null) {
co.strokeRect(ma.round( coords[0]), Math.round( coords[1]), coords[2], coords[3]);
co.fillRect(ma.round( coords[0]), Math.round( coords[1]), coords[2], coords[3]);
}
// Draw the 3D sides if required
if (prop['chart.variant'] === '3d' && this.right[i] !== null) {
var color = co.fillStyle;
// If the shadow is enabled draw the backface for
// (that we don't actually see
if (prop['chart.shadow'] && opt.shadow) {
co.shadowColor = prop['chart.shadow.color'];
co.shadowBlur = prop['chart.shadow.blur'];
co.shadowOffsetX = prop['chart.shadow.offsetx'];
co.shadowOffsetY = prop['chart.shadow.offsety'];
pa(co, [
'b',
'm',coords[0] + offsetx, coords[1] - offsety,
'l',coords[0] + offsetx + coords[2], coords[1] - offsety,
'l',coords[0] + offsetx + coords[2], coords[1] - offsety + coords[3],
'l',coords[0] + offsetx,coords[1] - offsety + coords[3],
'f', 'black',
'sc', 'rgba(0,0,0,0)',
'sx', 0,
'sy', 0,
'sb', 0
]);
}
// Draw the top
pa(co, [
'b',
'm',coords[0],coords[1],
'l',coords[0] + offsetx, coords[1] - offsety,
'l',coords[0] + offsetx + coords[2], coords[1] - offsety,
'l',coords[0] + coords[2], coords[1],
'f', color
]);
// Draw the right hand side
pa(co, [
'b',
'm',coords[0] + coords[2],coords[1],
'l',coords[0] + coords[2] + offsetx, coords[1] - offsety,
'l',coords[0] + coords[2] + offsetx, coords[1] - offsety + coords[3],
'l',coords[0] + coords[2],coords[1] + coords[3],
'f', color
]);
// Draw the LIGHTER top
pa(co, [
'b',
'm',coords[0],coords[1],
'l',coords[0] + offsetx, coords[1] - offsety,
'l',coords[0] + offsetx + coords[2], coords[1] - offsety,
'l',coords[0] + coords[2], coords[1],
'f', 'rgba(255,255,255,0.6)'
]);
// Draw the DARKER right hand side
pa(co, [
'b',
'm',coords[0] + coords[2],coords[1],
'l',coords[0] + coords[2] + offsetx, coords[1] - offsety,
'l',coords[0] + coords[2] + offsetx, coords[1] - offsety + coords[3],
'l',coords[0] + coords[2],coords[1] + coords[3],
'f', 'rgba(0,0,0,0.3)'
]);
}
/**
* Add the coordinates to the coords array
*/
this.coords.push([coords[0],coords[1],coords[2],coords[3]]);
this.coordsRight.push([coords[0],coords[1],coords[2],coords[3]]);
}
/**
* Turn off any shadow
*/
RG.NoShadow(this);
// Reset the linewidth
co.lineWidth = 1;
};
/**
* Draws the titles
*/
this.drawLabels =
this.DrawLabels = function ()
{
var font = prop['chart.text.font'],
color = prop['chart.labels.color'] || prop['chart.text.color'],
size = prop['chart.text.size'],
labels = prop['chart.labels'],
barAreaHeight = ca.height - this.gutterTop - this.gutterBottom
co.fillStyle = color;
for (var i=0,len=labels.length; i<len; i+=1) {
RG.Text2(this, {
'color': color,
'font':font,
'size':size,
'x':this.gutterLeft + this.axisWidth + (prop['chart.gutter.center'] / 2),
'y':this.gutterTop + ((barAreaHeight / labels.length) * (i)) + ((barAreaHeight / labels.length) / 2),
'text':String(labels[i] ? String(labels[i]) : ''),
'halign':'center',
'valign':'center',
'marker':false,
'tag': 'labels'
});
}
co.fillStyle = prop['chart.text.color'];
if (prop['chart.xlabels']) {
var grapharea = (ca.width - prop['chart.gutter.center'] - this.gutterLeft - this.gutterRight) / 2;
// Now draw the X labels for the left hand side
for (var i=0; i<this.scale2.labels.length; ++i) {
RG.text2(this, {
'font':font,
'size':size,
'x':this.gutterLeft + ((grapharea / this.scale2.labels.length) * i),
'y':ca.height - this.gutterBottom + 3,
'text':this.scale2.labels[this.scale2.labels.length - i - 1],
'valign':'top',
'halign':'center',
'tag': 'scale'
});
// Draw the scale for the right hand side
RG.text2(this, {
'font':font,
'size':size,
'x':this.gutterLeft+ grapharea + prop['chart.gutter.center'] + ((grapharea / this.scale2.labels.length) * (i + 1)),
'y':ca.height - this.gutterBottom + 3,
'text':this.scale2.labels[i],
'valign':'top',
'halign':'center',
'tag': 'scale'
});
}
// Draw zero?
if (prop['chart.scale.zerostart']) {
RG.text2(this, {
'font':font,
'size':size,
'x':this.gutterLeft + this.axisWidth,
'y':ca.height - this.gutterBottom + 3,
'text':'0',
'valign':'top',
'halign':'center',
'tag': 'scale'
});
RG.text2(this, {
'font':font,
'size':size,
'x':this.gutterLeft + this.axisWidth + this.gutterCenter,
'y':ca.height - this.gutterBottom + 3,
'text':'0',
'valign':'top',
'halign':'center',
'tag': 'scale'
});
}
}
/**
* Draw above labels
*/
if (prop['chart.labels.above']) {
// Draw the left sides above labels
for (var i=0; i<this.coordsLeft.length; ++i) {
if (typeof(this.left[i]) != 'number') {
continue;
}
var coords = this.coordsLeft[i];
RG.Text2(this, {'font':font,
'size':size,
'x':coords[0] - 5,
'y':coords[1] + (coords[3] / 2),
'text':RG.number_format(this, this.left[i], prop['chart.units.pre'], prop['chart.units.post']),
'valign':'center',
'halign':'right',
'tag':'labels.above'
});
}
// Draw the right sides above labels
for (i=0; i<this.coordsRight.length; ++i) {
if (typeof(this.right[i]) != 'number') {
continue;
}
var coords = this.coordsRight[i];
RG.Text2(this, {
'font':font,
'size':size,
'x':coords[0] + coords[2] + 5,
'y':coords[1] + (coords[3] / 2),
'text':RG.number_format(this, this.right[i], prop['chart.units.pre'], prop['chart.units.post']),
'valign':'center',
'halign':'left',
'tag': 'labels.above'
});
}
}
};
/**
* Draws the titles
*/
this.drawTitles =
this.DrawTitles = function ()
{
RG.Text2(this, {
'font':prop['chart.text.font'],
'size':prop['chart.text.size'],
'x':this.gutterLeft + 5,
'y':this.gutterTop - 5,
'text':String(prop['chart.title.left']),
'halign':'left',
'valign':'bottom',
'tag': 'title.left'
});
RG.Text2(this, {
'font':prop['chart.text.font'],
'size':prop['chart.text.size'],
'x': ca.width - this.gutterRight - 5,
'y':this.gutterTop - 5,
'text':String(prop['chart.title.right']),
'halign':'right',
'valign':'bottom',
'tag': 'title.right'
});
// Draw the main title for the whole chart
RG.drawTitle(
this,
prop['chart.title'],
this.gutterTop,
null,
prop['chart.title.size'] ? prop['chart.title.size'] : null
);
};
/**
* This function is used by MSIE only to manually draw the shadow
*
* @param array coords The coords for the bar
*/
this.drawIEShadow =
this.DrawIEShadow = function (coords)
{
var prevFillStyle = co.fillStyle;
var offsetx = prop['chart.shadow.offsetx'];
var offsety = prop['chart.shadow.offsety'];
co.lineWidth = prop['chart.linewidth'];
co.fillStyle = prop['chart.shadow.color'];
co.beginPath();
// Draw shadow here
co.fillRect(coords[0] + offsetx, coords[1] + offsety, coords[2],coords[3]);
co.fill();
// Change the fillstyle back to what it was
co.fillStyle = prevFillStyle;
}
/**
* Returns the appropriate focussed bar coordinates
*
* @param e object The event object
*/
this.getShape =
this.getBar = function (e)
{
var canvas = this.canvas,
context = this.context,
mouseCoords = RG.getMouseXY(e)
/**
* Loop through the bars determining if the mouse is over a bar
*/
for (var i=0; i<this.coords.length; i++) {
var mouseX = mouseCoords[0],
mouseY = mouseCoords[1],
left = this.coords[i][0],
top = this.coords[i][1],
width = this.coords[i][2],
height = this.coords[i][3]
//if (mouseX >= left && mouseX <= (left + width) && mouseY >= top && mouseY <= (top + height) ) {
pa(co, ['b','r',left,top,width,height]);
if (co.isPointInPath(mouseX, mouseY)) {
var tooltip = RG.parseTooltipText(prop['chart.tooltips'], i);
return {
0: this,1: left,2: top,3: width,4: height,5: i,
'object': this, 'x': left, 'y': top, 'width': width, 'height': height, 'index': i, 'tooltip': tooltip
};
}
}
return null;
};
/**
* 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)
{
// Add the new highlight
RG.Highlight.Rect(this, shape);
};
/**
* When you click on the canvas, this will return the relevant value (if any)
*
* REMEMBER This function will need updating if the Bipolar ever gets chart.ymin
*
* @param object e The event object
*/
this.getValue = function (e)
{
var obj = e.target.__object__;
var mouseXY = RG.getMouseXY(e);
var mouseX = mouseXY[0];
/**
* Left hand side
*/
if (mouseX > this.gutterLeft && mouseX < ( (ca.width / 2) - (prop['chart.gutter.center'] / 2) )) {
var value = (mouseX - prop['chart.gutter.left']) / this.axisWidth;
value = this.max - (value * this.max);
}
/**
* Right hand side
*/
if (mouseX < (ca.width - this.gutterRight) && mouseX > ( (ca.width / 2) + (prop['chart.gutter.center'] / 2) )) {
var value = (mouseX - prop['chart.gutter.left'] - this.axisWidth - prop['chart.gutter.center']) / this.axisWidth;
value = (value * this.max);
}
return value;
};
/**
* 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 = RG.getMouseXY(e);
// Adjust the mouse Y coordinate for when the bar chart is
// a 3D variant
if (prop['chart.variant'] === '3d') {
var adjustment = prop['chart.variant.threed.angle'] * mouseXY[0];
mouseXY[1] -= adjustment;
}
if (
mouseXY[0] > prop['chart.gutter.left']
&& mouseXY[0] < (ca.width - prop['chart.gutter.right'])
&& mouseXY[1] > prop['chart.gutter.top']
&& mouseXY[1] < (ca.height - prop['chart.gutter.bottom'])
) {
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.coords[tooltip.__index__][0],
coordY = obj.coords[tooltip.__index__][1],
coordW = obj.coords[tooltip.__index__][2],
coordH = obj.coords[tooltip.__index__][3],
canvasXY = RG.getCanvasXY(obj.canvas),
mouseXY = RG.getMouseXY(window.event),
gutterLeft = obj.Get('chart.gutter.left'),
gutterTop = obj.Get('chart.gutter.top'),
width = tooltip.offsetWidth,
height = tooltip.offsetHeight
// If the chart is a 3D version the tooltip Y position needs this
// adjustment
if (prop['chart.variant'] === '3d' && mouseXY) {
var adjustment = (prop['chart.variant.threed.angle'] * mouseXY[0]);
}
// Set the top position
tooltip.style.left = 0;
tooltip.style.top = canvasXY[1] + coordY - height - 7 + (adjustment || 0) + 'px';
// 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 + (coordW / 2)- (width / 2)) < 0) {
tooltip.style.left = (canvasXY[0] + coordX - (width * 0.1)) + (coordW / 2) + 'px';
img.style.left = ((width * 0.1) - 8.5) + 'px';
// RIGHT edge
} else if ((canvasXY[0] + coordX + width) > doc.body.offsetWidth) {
tooltip.style.left = canvasXY[0] + coordX - (width * 0.9) + (coordW / 2) + 'px';
img.style.left = ((width * 0.9) - 8.5) + 'px';
// Default positioning - CENTERED
} else {
tooltip.style.left = (canvasXY[0] + coordX + (coordW / 2) - (width * 0.5)) + 'px';
img.style.left = ((width * 0.5) - 8.5) + 'px';
}
};
/**
* Returns the X coords for a value. Returns two coords because there are... two scales.
*
* @param number value The value to get the coord for
*/
this.getXCoord = function (value)
{
if (value > this.max || value < 0) {
return null;
}
var ret = [];
// The offset into the graph area
var offset = ((value / this.max) * this.axisWidth);
// Get the coords (one fo each side)
ret[0] = (this.gutterLeft + this.axisWidth) - offset;
ret[1] = (ca.width - this.gutterRight - this.axisWidth) + offset;
return ret;
};
/**
* 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.highlight.stroke'] = RG.array_clone(prop['chart.highlight.fill']);
this.original_colors['chart.highlight.fill'] = RG.array_clone(prop['chart.highlight.fill']);
this.original_colors['chart.axis.color'] = RG.array_clone(prop['chart.axis.color']);
this.original_colors['chart.strokestyle'] = RG.array_clone(prop['chart.strokestyle']);
}
var props = this.properties;
var colors = props['chart.colors'];
for (var i=0; i<colors.length; ++i) {
colors[i] = this.parseSingleColorForGradient(colors[i]);
}
props['chart.highlight.stroke'] = this.parseSingleColorForGradient(props['chart.highlight.stroke']);
props['chart.highlight.fill'] = this.parseSingleColorForGradient(props['chart.highlight.fill']);
props['chart.axis.color'] = this.parseSingleColorForGradient(props['chart.axis.color']);
props['chart.strokestyle'] = this.parseSingleColorForGradient(props['chart.strokestyle']);
};
/**
* 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 = co.createLinearGradient(prop['chart.gutter.left'],0,ca.width - prop['chart.gutter.right'],0);
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;
};
/**
* 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;
};
//
// Draw the background grid
//
this.drawBackgroundGrid = function ()
{
if (prop['chart.background.grid']) {
var variant = prop['chart.variant'],
color = prop['chart.background.grid.color'],
numvlines = prop['chart.labels.count'],
numhlines = this.left.length,
vlines = prop['chart.background.grid.vlines'],
hlines = prop['chart.background.grid.hlines'],
linewidth = prop['chart.background.grid.linewidth'];
// Autofit
if (typeof prop['chart.background.grid.autofit.numhlines'] === 'number') {
numhlines = prop['chart.background.grid.autofit.numhlines'];
}
if (typeof prop['chart.background.grid.autofit.numvlines'] === 'number') {
numvlines = prop['chart.background.grid.autofit.numvlines'];
}
co.lineWidth = linewidth;
// If it's a bar and 3D variant, translate
if (variant == '3d') {
co.save();
co.translate(
prop['chart.variant.threed.offsetx'],
-1 * prop['chart.variant.threed.offsety']
);
}
// Draw vertical grid lines for the left side
if (vlines) {
for (var i=0; i<=numvlines; i+=1) {
pa(co, [
'b',
'm', this.gutterLeft + (this.axisWidth / numvlines) * i, this.gutterTop,
'l', this.gutterLeft + (this.axisWidth / numvlines) * i, this.gutterTop + this.axisHeight,
's', color
]);
}
}
// Draw horizontal grid lines for the left side
if (hlines) {
for (var i=0; i<=numhlines; i+=1) {
pa(co, [
'b',
'm', this.gutterLeft, this.gutterTop + (this.axisHeight / numhlines) * i,
'l', this.gutterLeft + this.axisWidth, this.gutterTop + (this.axisHeight / numhlines) * i,
's', color
]);
}
}
// Draw vertical grid lines for the right side
if (vlines) {
for (var i=0; i<=numvlines; i+=1) {
pa(co, [
'b',
'm', this.gutterLeft + this.gutterCenter + this.axisWidth + (this.axisWidth / numvlines) * i, this.gutterTop,
'l', this.gutterLeft + this.gutterCenter + this.axisWidth + (this.axisWidth / numvlines) * i, this.gutterTop + this.axisHeight,
's', color
]);
}
}
// Draw horizontal grid lines for the right side
if (hlines) {
for (var i=0; i<=numhlines; i+=1) {
pa(co, [
'b',
'm', this.gutterLeft + this.axisWidth + this.gutterCenter, this.gutterTop + (this.axisHeight / numhlines) * i,
'l', this.gutterLeft + this.axisWidth + this.gutterCenter + this.axisWidth, this.gutterTop + (this.axisHeight / numhlines) * i,
's', color
]);
}
}
// If it's a bar and 3D variant, translate
if (variant == '3d') {
co.restore();
}
}
};
/**
* This function runs once only
* (put at the end of the file (before any effects))
*/
this.firstDrawFunc = function ()
{
// Tooltips need reversing now because the bars
// are drawn from the bottom up
if (prop['chart.tooltips']) {
prop['chart.tooltips'] = RG.arrayReverse(prop['chart.tooltips']);
}
};
/**
* Objects are now always registered so that when RGraph.Redraw()
* is called this chart will be redrawn.
*/
RG.Register(this);
/**
* This is the 'end' of the constructor so if the first argument
* contains configuration dsta - handle that.
*/
if (parseConfObjectForOptions) {
RG.parseObjectStyleConfig(this, conf.options);
}
/**
* Grow
*
* The Bipolar chart Grow effect gradually increases the values of the bars
*
* @param object An object of options - eg: {frames: 30}
* @param function A function to call when the effect is complete
*/
this.grow = function ()
{
// Callback
var opt = arguments[0] || {};
var frames = opt.frames || 30;
var frame = 0;
var callback = arguments[1] || function () {};
var obj = this;
// Save the data
var originalLeft = RG.arrayClone(this.left);
var originalRight = RG.arrayClone(this.right);
// Stop the scale from changing by setting xmax (if it's not already set)
if (RG.isNull(prop['chart.xmax'])) {
var xmax = 0;
// Go through the left and right data
for (var i=0; i<this.left.length; i+=1) { xmax = ma.max(xmax, ma.abs(this.left[i])); }
for (var i=0; i<this.right.length; i+=1) { xmax = ma.max(xmax, ma.abs(this.right[i])); }
var scale = RG.getScale2(obj, {'max':xmax});
this.Set('chart.xmax', scale.max);
}
var iterator = function ()
{
var easingMultiplier = RG.Effects.getEasingMultiplier(frames, frame);
for (var i=0; i<obj.left.length; i+=1) { obj.left[i] = easingMultiplier * originalLeft[i]; }
for (var i=0; i<obj.right.length; i+=1) { obj.right[i] = easingMultiplier * originalRight[i]; }
RG.redrawCanvas(obj.canvas);
// Repeat or call the end function if one is defined
if (frame < frames) {
frame += 1;
RG.Effects.updateCanvas(iterator);
} else {
callback(obj);
}
};
iterator();
return this;
};
/**
* Bipolar chart Wave effect.
*
* @param object OPTIONAL An object map of options. You specify 'frames' here to give the number of frames in the effect
* @param function OPTIONAL A function that will be called when the effect is complete
*/
this.wave = function ()
{
var obj = this,
opt = arguments[0] || {};
opt.frames = opt.frames || 60;
opt.startFrames_left = [];
opt.startFrames_right = [];
opt.counters_left = [];
opt.counters_right = [];
var framesperbar = opt.frames / 3,
frame_left = -1,
frame_right = -1,
callback = arguments[1] || function () {},
original_left = RG.arrayClone(obj.left),
original_right = RG.arrayClone(obj.right);
for (var i=0,len=obj.left.length; i<len; i+=1) {
opt.startFrames_left[i] = ((opt.frames / 2) / (obj.left.length - 1)) * i;
opt.startFrames_right[i] = ((opt.frames / 2) / (obj.right.length - 1)) * i;
opt.counters_left[i] = 0;
opt.counters_right[i] = 0;
}
// This stops the chart from jumping
obj.draw();
obj.set('xmax', obj.scale2.max);
RG.clear(obj.canvas);
// Zero all of the data
for (var i=0,len=obj.left.length; i<len; i+=1) {
if (typeof obj.left[i] === 'number') obj.left[i] = 0;
if (typeof obj.right[i] === 'number') obj.right[i] = 0;
}
//
// Iterate over the left side
//
function iteratorLeft ()
{
++frame_left;
for (var i=0,len=obj.left.length; i<len; i+=1) {
if (frame_left > opt.startFrames_left[i]) {
var isNull = RG.isNull(obj.left[i]);
obj.left[i] = ma.min(
ma.abs(original_left[i]),
ma.abs(original_left[i] * ( (opt.counters_left[i]++) / framesperbar))
);
// Make the number negative if the original was
if (original_left[i] < 0) {
obj.left[i] *= -1;
}
if (isNull) {
obj.left[i] = null;
}
} else {
obj.left[i] = typeof obj.left[i] === 'object' && obj.left[i] ? RG.arrayPad([], obj.left[i].length, 0) : (RG.isNull(obj.left[i]) ? null : 0);
}
}
// No callback here - only called by the right function
if (frame_left < opt.frames) {
RG.redrawCanvas(obj.canvas);
RG.Effects.updateCanvas(iteratorLeft);
}
}
//
// Iterate over the right side
//
function iteratorRight ()
{
++frame_right;
for (var i=0,len=obj.right.length; i<len; i+=1) {
if (frame_right > opt.startFrames_right[i]) {
var isNull = RG.isNull(obj.right[i]);
obj.right[i] = ma.min(
ma.abs(original_right[i]),
ma.abs(original_right[i] * ( (opt.counters_right[i]++) / framesperbar))
);
// Make the number negative if the original was
if (original_right[i] < 0) {
obj.right[i] *= -1;
}
if (isNull) {
obj.right[i] = null;
}
} else {
obj.right[i] = typeof obj.right[i] === 'object' && obj.right[i] ? RG.arrayPad([], obj.right[i].length, 0) : (RG.isNull(obj.right[i]) ? null : 0);
}
}
// No callback here - only called by the right function
if (frame_right < opt.frames) {
RG.redrawCanvas(obj.canvas);
RG.Effects.updateCanvas(iteratorRight);
} else {
callback(this);
}
}
iteratorLeft();
iteratorRight();
return this;
};
};