node-red-contrib-smartnode-hook
Version:
this project is dependenced by the node-red-contrib-smartnode for some IoT display function
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JavaScript
// version: 2014-11-15
/**
* o--------------------------------------------------------------------------------o
* | This file is part of the RGraph package - you can learn more at: |
* | |
* | http://www.rgraph.net |
* | |
* | This package is licensed under the Creative Commons BY-NC license. That means |
* | that for non-commercial purposes it's free to use and for business use there's |
* | a 99 GBP per-company fee to pay. You can read the full license here: |
* | |
* | http://www.rgraph.net/license |
* o--------------------------------------------------------------------------------o
*/
RGraph = window.RGraph || {isRGraph: true};
/**
* The scatter graph constructor
*
* @param object canvas The cxanvas object
* @param array data The chart data
*/
RGraph.Scatter = function (conf)
{
/**
* Allow for object config style
*/
if ( typeof conf === 'object'
&& typeof conf.data === 'object'
&& typeof conf.id === 'string') {
var parseConfObjectForOptions = true; // Set this so the config is parsed (at the end of the constructor)
this.data = new Array(conf.data.length);
// Store the data set(s)
this.data = RGraph.arrayClone(conf.data);
// Account for just one dataset being given
if (typeof conf.data === 'object' && typeof conf.data[0] === 'object' && (typeof conf.data[0][0] === 'number' || typeof conf.data[0][0] === 'string')) {
var tmp = RGraph.arrayClone(conf.data);
conf.data = new Array();
conf.data[0] = RGraph.arrayClone(tmp);
this.data = RGraph.arrayClone(conf.data);
}
} else {
var conf = {id: conf};
conf.data = arguments[1];
this.data = [];
// Handle multiple datasets being given as one argument
if (arguments[1][0] && arguments[1][0][0] && typeof arguments[1][0][0] == 'object') {
// Store the data set(s)
for (var i=0; i<arguments[1].length; ++i) {
this.data[i] = RGraph.arrayClone(arguments[1][i]);
}
// Handle multiple data sets being supplied as seperate arguments
} else {
// Store the data set(s)
for (var i=1; i<arguments.length; ++i) {
this.data[i - 1] = RGraph.arrayClone(arguments[i]);
}
}
}
this.id = conf.id;
this.canvas = document.getElementById(this.id);
this.canvas.__object__ = this;
this.context = this.canvas.getContext ? this.canvas.getContext('2d') : null;
this.max = 0;
this.coords = [];
this.type = 'scatter';
this.isRGraph = true;
this.uid = RGraph.CreateUID();
this.canvas.uid = this.canvas.uid ? this.canvas.uid : RGraph.CreateUID();
this.colorsParsed = false;
this.coordsText = [];
this.original_colors = [];
this.firstDraw = true; // After the first draw this will be false
// Handle multiple datasets being given as one argument
//if (arguments[1][0] && arguments[1][0][0] && typeof(arguments[1][0][0]) == 'object') {
// // Store the data set(s)
// for (var i=0; i<arguments[1].length; ++i) {
// this.data[i] = arguments[1][i];
// }
// Handle multiple data sets being supplied as seperate arguments
//} else {
// Store the data set(s)
//for (var i=1; i<arguments.length; ++i) {
// this.data[i - 1] = arguments[i];
//}
//}
// Various config properties
this.properties = {
'chart.background.barcolor1': 'rgba(0,0,0,0)',
'chart.background.barcolor2': 'rgba(0,0,0,0)',
'chart.background.grid': true,
'chart.background.grid.width': 1,
'chart.background.grid.color': '#ddd',
'chart.background.grid.hsize': 20,
'chart.background.grid.vsize': 20,
'chart.background.hbars': null,
'chart.background.vbars': null,
'chart.background.grid.vlines': true,
'chart.background.grid.hlines': true,
'chart.background.grid.border': true,
'chart.background.grid.autofit':true,
'chart.background.grid.autofit.numhlines': 5,
'chart.background.grid.autofit.numvlines': 20,
'chart.background.image': null,
'chart.background.image.stretch': true,
'chart.background.image.x': null,
'chart.background.image.y': null,
'chart.background.image.w': null,
'chart.background.image.h': null,
'chart.background.image.align': null,
'chart.background.color': null,
'chart.text.size': 10,
'chart.text.angle': 0,
'chart.text.color': 'black',
'chart.text.font': 'Arial',
'chart.tooltips': [], // Default must be an empty array
'chart.tooltips.effect': 'fade',
'chart.tooltips.event': 'onmousemove',
'chart.tooltips.hotspot': 3,
'chart.tooltips.css.class': 'RGraph_tooltip',
'chart.tooltips.highlight': true,
'chart.tooltips.coords.page': false,
'chart.units.pre': '',
'chart.units.post': '',
'chart.numyticks': 10,
'chart.tickmarks': 'cross',
'chart.tickmarks.image.halign': 'center',
'chart.tickmarks.image.valign': 'center',
'chart.tickmarks.image.offsetx': 0,
'chart.tickmarks.image.offsety': 0,
'chart.ticksize': 5,
'chart.numxticks': true,
'chart.xaxis': true,
'chart.gutter.left': 25,
'chart.gutter.right': 25,
'chart.gutter.top': 25,
'chart.gutter.bottom': 25,
'chart.xmin': 0,
'chart.xmax': 0,
'chart.ymax': null,
'chart.ymin': 0,
'chart.scale.decimals': null,
'chart.scale.point': '.',
'chart.scale.thousand': ',',
'chart.title': '',
'chart.title.background': null,
'chart.title.hpos': null,
'chart.title.vpos': null,
'chart.title.bold': true,
'chart.title.font': null,
'chart.title.xaxis': '',
'chart.title.xaxis.bold': true,
'chart.title.xaxis.size': null,
'chart.title.xaxis.font': null,
'chart.title.yaxis': '',
'chart.title.yaxis.bold': true,
'chart.title.yaxis.size': null,
'chart.title.yaxis.font': null,
'chart.title.yaxis.color': null,
'chart.title.xaxis.pos': null,
'chart.title.yaxis.pos': null,
'chart.title.yaxis.x': null,
'chart.title.yaxis.y': null,
'chart.title.xaxis.x': null,
'chart.title.xaxis.y': null,
'chart.title.x': null,
'chart.title.y': null,
'chart.title.halign': null,
'chart.title.valign': null,
'chart.labels': [],
'chart.labels.ingraph': null,
'chart.labels.above': false,
'chart.labels.above.size': 8,
'chart.labels.above.decimals': 0,
'chart.ylabels': true,
'chart.ylabels.count': 5,
'chart.ylabels.invert': false,
'chart.ylabels.specific': null,
'chart.ylabels.inside': false,
'chart.contextmenu': null,
'chart.defaultcolor': 'black',
'chart.xaxispos': 'bottom',
'chart.yaxispos': 'left',
'chart.crosshairs': false,
'chart.crosshairs.color': '#333',
'chart.crosshairs.linewidth': 1,
'chart.crosshairs.coords': false,
'chart.crosshairs.coords.fixed':true,
'chart.crosshairs.coords.fadeout':false,
'chart.crosshairs.coords.labels.x': 'X',
'chart.crosshairs.coords.labels.y': 'Y',
'chart.crosshairs.hline': true,
'chart.crosshairs.vline': true,
'chart.annotatable': false,
'chart.annotate.color': 'black',
'chart.line': false,
'chart.line.linewidth': 1,
'chart.line.colors': ['green', 'red'],
'chart.line.shadow.color': 'rgba(0,0,0,0)',
'chart.line.shadow.blur': 2,
'chart.line.shadow.offsetx': 3,
'chart.line.shadow.offsety': 3,
'chart.line.stepped': false,
'chart.line.visible': true,
'chart.noaxes': false,
'chart.noyaxis': false,
'chart.key': null,
'chart.key.background': 'white',
'chart.key.position': 'graph',
'chart.key.halign': 'right',
'chart.key.shadow': false,
'chart.key.shadow.color': '#666',
'chart.key.shadow.blur': 3,
'chart.key.shadow.offsetx': 2,
'chart.key.shadow.offsety': 2,
'chart.key.position.gutter.boxed': false,
'chart.key.position.x': null,
'chart.key.position.y': null,
'chart.key.interactive': false,
'chart.key.interactive.highlight.chart.fill': 'rgba(255,0,0,0.9)',
'chart.key.interactive.highlight.label': 'rgba(255,0,0,0.2)',
'chart.key.color.shape': 'square',
'chart.key.rounded': true,
'chart.key.linewidth': 1,
'chart.key.colors': null,
'chart.key.text.color': 'black',
'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.boxplot.width': 1,
'chart.boxplot.capped': true,
'chart.resizable': false,
'chart.resize.handle.background': null,
'chart.xmin': 0,
'chart.labels.specific.align': 'left',
'chart.xscale': false,
'chart.xscale.units.pre': '',
'chart.xscale.units.post': '',
'chart.xscale.numlabels': 10,
'chart.xscale.formatter': null,
'chart.xscale.decimals': 0,
'chart.xscale.thousand': ',',
'chart.xscale.point': '.',
'chart.noendxtick': false,
'chart.noendytick': true,
'chart.events.mousemove': null,
'chart.events.click': null,
'chart.highlight.stroke': 'rgba(0,0,0,0)',
'chart.highlight.fill': 'rgba(255,255,255,0.7)'
}
/**
* This allows the data points to be given as dates as well as numbers. Formats supported by RGraph.parseDate() are accepted.
*/
for (var i=0; i<this.data.length; ++i) {
for (var j=0; j<this.data[i].length; ++j) {
if (this.data[i][j] && typeof(this.data[i][j][0]) == 'string') {
this.data[i][j][0] = RGraph.parseDate(this.data[i][j][0]);
}
}
}
/**
* Now make the data_arr array - all the data as one big array
*/
this.data_arr = [];
for (var i=0; i<this.data.length; ++i) {
for (var j=0; j<this.data[i].length; ++j) {
this.data_arr.push(this.data[i][j]);
}
}
// Create the $ objects so that they can be used
for (var i=0; i<this.data_arr.length; ++i) {
this['$' + i] = {}
}
// Check for support
if (!this.canvas) {
alert('[SCATTER] No canvas support');
return;
}
/**
* Translate half a pixel for antialiasing purposes - but only if it hasn't beeen
* done already
*/
if (!this.canvas.__rgraph_aa_translated__) {
this.context.translate(0.5,0.5);
this.canvas.__rgraph_aa_translated__ = true;
}
// Short variable names
var RG = RGraph;
var ca = this.canvas;
var co = ca.getContext('2d');
var prop = this.properties;
var jq = jQuery;
var pa = RG.Path;
var win = window;
var doc = document;
var ma = Math;
/**
* "Decorate" the object with the generic effects if the effects library has been included
*/
if (RG.Effects && typeof RG.Effects.decorate === 'function') {
RG.Effects.decorate(this);
}
/**
* A simple setter
*
* @param string name The name of the property to set
* @param string value The value of the property
*/
this.set =
this.Set = function (name)
{
var value = typeof arguments[1] === 'undefined' ? null : arguments[1];
/**
* the number of arguments is only one and it's an
* object - parse it for configuration data and return.
*/
if (arguments.length === 1 && typeof name === 'object') {
RG.parseObjectStyleConfig(this, name);
return this;
}
/**
* This should be done first - prepend the propertyy name with "chart." if necessary
*/
if (name.substr(0,6) != 'chart.') {
name = 'chart.' + name;
}
/**
* BC for chart.xticks
*/
if (name == 'chart.xticks') {
name == 'chart.numxticks';
}
/**
* This is here because the key expects a name of "chart.colors"
*/
if (name == 'chart.line.colors') {
prop['chart.colors'] = value;
}
/**
* Allow compatibility with older property names
*/
if (name == 'chart.tooltip.hotspot') {
name = 'chart.tooltips.hotspot';
}
/**
* chart.yaxispos should be left or right
*/
if (name == 'chart.yaxispos' && value != 'left' && value != 'right') {
alert("[SCATTER] chart.yaxispos should be left or right. You've set it to: '" + value + "' Changing it to left");
value = 'left';
}
/**
* Check for xaxispos
*/
if (name == 'chart.xaxispos' ) {
if (value != 'bottom' && value != 'center') {
alert('[SCATTER] (' + this.id + ') chart.xaxispos should be center or bottom. Tried to set it to: ' + value + ' Changing it to center');
value = 'center';
}
}
prop[name.toLowerCase()] = value;
return this;
};
/**
* A simple getter
*
* @param string name The name of the property to set
*/
this.get =
this.Get = function (name)
{
/**
* This should be done first - prepend the property name with "chart." if necessary
*/
if (name.substr(0,6) != 'chart.') {
name = 'chart.' + name;
}
return prop[name];
};
/**
* The function you call to draw the line chart
*/
this.draw =
this.Draw = function ()
{
// MUST be the first thing done!
if (typeof prop['chart.background.image'] === 'string') {
RG.DrawBackgroundImage(this);
}
/**
* 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;
}
/**
* Stop this growing uncontrollably
*/
this.coordsText = [];
/**
* 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'];
// Go through all the data points and see if a tooltip has been given
this.hasTooltips = false;
var overHotspot = false;
// Reset the coords array
this.coords = [];
/**
* This facilitates the xmax, xmin and X values being dates
*/
if (typeof(prop['chart.xmin']) == 'string') prop['chart.xmin'] = RG.parseDate(prop['chart.xmin']);
if (typeof(prop['chart.xmax']) == 'string') prop['chart.xmax'] = RG.parseDate(prop['chart.xmax']);
/**
* Look for tooltips and populate chart.tooltips
*
* NB 26/01/2011 Updated so that chart.tooltips is ALWAYS populated
*/
if (!RGraph.ISOLD) {
this.Set('chart.tooltips', []);
for (var i=0,len=this.data.length; i<len; i+=1) {
for (var j =0,len2=this.data[i].length;j<len2; j+=1) {
if (this.data[i][j] && this.data[i][j][3]) {
prop['chart.tooltips'].push(this.data[i][j][3]);
this.hasTooltips = true;
} else {
prop['chart.tooltips'].push(null);
}
}
}
}
// Reset the maximum value
this.max = 0;
// Work out the maximum Y value
//if (prop['chart.ymax'] && prop['chart.ymax'] > 0) {
if (typeof prop['chart.ymax'] === 'number') {
this.max = prop['chart.ymax'];
this.min = prop['chart.ymin'] ? prop['chart.ymin'] : 0;
this.scale2 = RG.getScale2(this, {
'max':this.max,
'min':this.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.ylabels.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;
var decimals = prop['chart.scale.decimals'];
} else {
var i = 0;
var j = 0;
for (i=0,len=this.data.length; i<len; i+=1) {
for (j=0,len2=this.data[i].length; j<len2; j+=1) {
if (this.data[i][j][1] != null) {
this.max = Math.max(this.max, typeof(this.data[i][j][1]) == 'object' ? RG.array_max(this.data[i][j][1]) : Math.abs(this.data[i][j][1]));
}
}
}
this.min = prop['chart.ymin'] ? prop['chart.ymin'] : 0;
this.scale2 = RG.getScale2(this, {
'max':this.max,
'min':this.min,
'scale.thousand':prop['chart.scale.thousand'],
'scale.point':prop['chart.scale.point'],
'scale.decimals':prop['chart.scale.decimals'],
'ylabels.count':prop['chart.ylabels.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;
}
this.grapharea = ca.height - this.gutterTop - this.gutterBottom;
// Progressively Draw the chart
RG.background.Draw(this);
/**
* Draw any horizontal bars that have been specified
*/
if (prop['chart.background.hbars'] && prop['chart.background.hbars'].length) {
RG.DrawBars(this);
}
/**
* Draw any vertical bars that have been specified
*/
if (prop['chart.background.vbars'] && prop['chart.background.vbars'].length) {
this.DrawVBars();
}
if (!prop['chart.noaxes']) {
this.DrawAxes();
}
this.DrawLabels();
i = 0;
for(i=0; i<this.data.length; ++i) {
this.DrawMarks(i);
// Set the shadow
co.shadowColor = prop['chart.line.shadow.color'];
co.shadowOffsetX = prop['chart.line.shadow.offsetx'];
co.shadowOffsetY = prop['chart.line.shadow.offsety'];
co.shadowBlur = prop['chart.line.shadow.blur'];
this.DrawLine(i);
// Turn the shadow off
RG.NoShadow(this);
}
if (prop['chart.line']) {
for (var i=0,len=this.data.length;i<len; i+=1) {
this.DrawMarks(i); // Call this again so the tickmarks appear over the line
}
}
/**
* Setup the context menu if required
*/
if (prop['chart.contextmenu']) {
RG.ShowContext(this);
}
/**
* Draw the key if necessary
*/
if (prop['chart.key'] && prop['chart.key'].length) {
RG.DrawKey(this, prop['chart.key'], prop['chart.line.colors']);
}
/**
* Draw " above" labels if enabled
*/
if (prop['chart.labels.above']) {
this.DrawAboveLabels();
}
/**
* Draw the "in graph" labels, using the member function, NOT the shared function in RGraph.common.core.js
*/
this.DrawInGraphLabels(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;
}
/**
* Draws the axes of the scatter graph
*/
this.drawAxes =
this.DrawAxes = function ()
{
var graphHeight = ca.height - this.gutterTop - this.gutterBottom;
co.beginPath();
co.strokeStyle = prop['chart.axis.color'];
co.lineWidth = (prop['chart.axis.linewidth'] || 1) + 0.001; // Strange Chrome bug
// Draw the Y axis
if (prop['chart.noyaxis'] == false) {
if (prop['chart.yaxispos'] == 'left') {
co.moveTo(this.gutterLeft, this.gutterTop);
co.lineTo(this.gutterLeft, ca.height - this.gutterBottom);
} else {
co.moveTo(ca.width - this.gutterRight, this.gutterTop);
co.lineTo(ca.width - this.gutterRight, ca.height - this.gutterBottom);
}
}
// Draw the X axis
if (prop['chart.xaxis']) {
if (prop['chart.xaxispos'] == 'center') {
co.moveTo(this.gutterLeft, Math.round(this.gutterTop + ((ca.height - this.gutterTop - this.gutterBottom) / 2)));
co.lineTo(ca.width - this.gutterRight, Math.round(this.gutterTop + ((ca.height - this.gutterTop - this.gutterBottom) / 2)));
} else {
co.moveTo(this.gutterLeft, ca.height - this.gutterBottom);
co.lineTo(ca.width - this.gutterRight, ca.height - this.gutterBottom);
}
}
// Draw the Y tickmarks
if (prop['chart.noyaxis'] == false) {
var numyticks = prop['chart.numyticks'];
//for (y=this.gutterTop; y < ca.height - this.gutterBottom + (prop['chart.xaxispos'] == 'center' ? 1 : 0) ; y+=(graphHeight / numyticks)) {
for (i=0; i<numyticks; ++i) {
var y = ((ca.height - this.gutterTop - this.gutterBottom) / numyticks) * i;
y = y + this.gutterTop;
if (prop['chart.xaxispos'] == 'center' && i == (numyticks / 2)) {
continue;
}
if (prop['chart.yaxispos'] == 'left') {
co.moveTo(this.gutterLeft, Math.round(y));
co.lineTo(this.gutterLeft - 3, Math.round(y));
} else {
co.moveTo(ca.width - this.gutterRight +3, Math.round(y));
co.lineTo(ca.width - this.gutterRight, Math.round(y));
}
}
/**
* Draw the end Y tickmark if the X axis is in the centre
*/
if (prop['chart.numyticks'] > 0) {
if (prop['chart.xaxispos'] == 'center' && prop['chart.yaxispos'] == 'left') {
co.moveTo(this.gutterLeft, Math.round(ca.height - this.gutterBottom));
co.lineTo(this.gutterLeft - 3, Math.round(ca.height - this.gutterBottom));
} else if (prop['chart.xaxispos'] == 'center') {
co.moveTo(ca.width - this.gutterRight + 3, Math.round(ca.height - this.gutterBottom));
co.lineTo(ca.width - this.gutterRight, Math.round(ca.height - this.gutterBottom));
}
}
/**
* Draw an extra tick if the X axis isn't being shown
*/
if (prop['chart.xaxis'] == false && prop['chart.yaxispos'] == 'left') {
co.moveTo(this.gutterLeft, Math.round(ca.height - this.gutterBottom));
co.lineTo(this.gutterLeft - 3, Math.round(ca.height - this.gutterBottom));
} else if (prop['chart.xaxis'] == false && prop['chart.yaxispos'] == 'right') {
co.moveTo(ca.width - this.gutterRight, Math.round(ca.height - this.gutterBottom));
co.lineTo(ca.width - this.gutterRight + 3, Math.round(ca.height - this.gutterBottom));
}
}
/**
* Draw the X tickmarks
*/
if (prop['chart.numxticks'] > 0 && prop['chart.xaxis']) {
var x = 0;
var y = (prop['chart.xaxispos'] == 'center') ? this.gutterTop + (this.grapharea / 2) : (ca.height - this.gutterBottom);
this.xTickGap = (prop['chart.labels'] && prop['chart.labels'].length) ? ((ca.width - this.gutterLeft - this.gutterRight ) / prop['chart.labels'].length) : (ca.width - this.gutterLeft - this.gutterRight) / 10;
/**
* This allows the number of X tickmarks to be specified
*/
if (typeof(prop['chart.numxticks']) == 'number') {
this.xTickGap = (ca.width - this.gutterLeft - this.gutterRight) / prop['chart.numxticks'];
}
for (x=(this.gutterLeft + (prop['chart.yaxispos'] == 'left' && prop['chart.noyaxis'] == false ? this.xTickGap : 0) );
x <= (ca.width - this.gutterRight - (prop['chart.yaxispos'] == 'left' || prop['chart.noyaxis'] == true ? -1 : 1));
x += this.xTickGap) {
if (prop['chart.yaxispos'] == 'left' && prop['chart.noendxtick'] == true && x == (ca.width - this.gutterRight) ) {
continue;
} else if (prop['chart.yaxispos'] == 'right' && prop['chart.noendxtick'] == true && x == this.gutterLeft) {
continue;
}
co.moveTo(Math.round(x), y - (prop['chart.xaxispos'] == 'center' ? 3 : 0));
co.lineTo(Math.round(x), y + 3);
}
}
co.stroke();
/**
* Reset the linewidth back to one
*/
co.lineWidth = 1;
};
/**
* Draws the labels on the scatter graph
*/
this.drawLabels =
this.DrawLabels = function ()
{
co.fillStyle = prop['chart.text.color'];
var font = prop['chart.text.font'];
var xMin = prop['chart.xmin'];
var xMax = prop['chart.xmax'];
var yMax = this.scale2.max;
var yMin = prop['chart.ymin'] ? prop['chart.ymin'] : 0;
var text_size = prop['chart.text.size'];
var units_pre = prop['chart.units.pre'];
var units_post = prop['chart.units.post'];
var numYLabels = prop['chart.ylabels.count'];
var invert = prop['chart.ylabels.invert'];
var inside = prop['chart.ylabels.inside'];
var context = co;
var canvas = ca;
var boxed = false;
this.halfTextHeight = text_size / 2;
this.halfGraphHeight = (ca.height - this.gutterTop - this.gutterBottom) / 2;
/**
* Draw the Y yaxis labels, be it at the top or center
*/
if (prop['chart.ylabels']) {
var xPos = prop['chart.yaxispos'] == 'left' ? this.gutterLeft - 5 : ca.width - this.gutterRight + 5;
var align = prop['chart.yaxispos'] == 'right' ? 'left' : 'right';
/**
* Now change the two things above if chart.ylabels.inside is specified
*/
if (inside) {
if (prop['chart.yaxispos'] == 'left') {
xPos = prop['chart.gutter.left'] + 5;
align = 'left';
boxed = true;
} else {
xPos = ca.width - prop['chart.gutter.right'] - 5;
align = 'right';
boxed = true;
}
}
if (prop['chart.xaxispos'] == 'center') {
/**
* Specific Y labels
*/
if (typeof(prop['chart.ylabels.specific']) == 'object' && prop['chart.ylabels.specific'] != null && prop['chart.ylabels.specific'].length) {
var labels = prop['chart.ylabels.specific'];
if (prop['chart.ymin'] > 0) {
labels = [];
for (var i=0; i<(prop['chart.ylabels.specific'].length - 1); ++i) {
labels.push(prop['chart.ylabels.specific'][i]);
}
}
for (var i=0; i<labels.length; ++i) {
var y = this.gutterTop + (i * (this.grapharea / (labels.length * 2) ) );
RG.Text2(this, {'font':font,
'size':text_size,
'x':xPos,
'y':y,
'text':labels[i],
'valign':'center',
'halign':align,
'bounding':boxed,
'tag': 'labels.specific'
});
}
var reversed_labels = RG.array_reverse(labels);
for (var i=0; i<reversed_labels.length; ++i) {
var y = this.gutterTop + (this.grapharea / 2) + ((i+1) * (this.grapharea / (labels.length * 2) ) );
RG.Text2(this, {'font':font,
'size':text_size,
'x':xPos,
'y':y,
'text':reversed_labels[i],
'valign':'center',
'halign':align,
'bounding':boxed,
'tag': 'labels.specific'
});
}
/**
* Draw the center label if chart.ymin is specified
*/
if (prop['chart.ymin'] != 0) {
RG.Text2(this, {'font':font,
'size':text_size,
'x':xPos,
'y':(this.grapharea / 2) + this.gutterTop,
'text':prop['chart.ylabels.specific'][prop['chart.ylabels.specific'].length - 1],
'valign':'center',
'halign':align,
'bounding':boxed,
'tag': 'labels.specific'
});
}
}
if (!prop['chart.ylabels.specific'] && typeof numYLabels == 'number') {
/**
* Draw the top half
*/
for (var i=0,len=this.scale2.labels.length; i<len; i+=1) {
//var value = ((this.max - this.min)/ numYLabels) * (i+1);
//value = (invert ? this.max - value : value);
//if (!invert) value += this.min;
//value = value.toFixed(prop['chart.scale.decimals']);
if (!invert) {
RG.Text2(this, {'font':font,
'size': text_size,
'x': xPos,
'y': this.gutterTop + this.halfGraphHeight - (((i + 1)/numYLabels) * this.halfGraphHeight),
'valign': 'center',
'halign':align,
'bounding': boxed,
'boundingFill': 'white',
'text': this.scale2.labels[i],
'tag': 'scale'
});
} else {
RG.Text2(this, {'font':font,
'size': text_size,
'x': xPos,
'y': this.gutterTop + this.halfGraphHeight - ((i/numYLabels) * this.halfGraphHeight),
'valign': 'center',
'halign':align,
'bounding': boxed,
'boundingFill': 'white',
'text': this.scale2.labels[this.scale2.labels.length - (i + 1)],
'tag': 'scale'
});
}
}
/**
* Draw the bottom half
*/
for (var i=0,len=this.scale2.labels.length; i<len; i+=1) {
//var value = (((this.max - this.min)/ numYLabels) * i) + this.min;
// value = (invert ? value : this.max - (value - this.min)).toFixed(prop['chart.scale.decimals']);
if (!invert) {
RG.Text2(this, {'font':font,
'size': text_size,
'x': xPos,
'y': this.gutterTop + this.halfGraphHeight + this.halfGraphHeight - ((i/numYLabels) * this.halfGraphHeight),
'valign': 'center',
'halign':align,
'bounding': boxed,
'boundingFill': 'white',
'text': '-' + this.scale2.labels[len - (i+1)],
'tag': 'scale'
});
} else {
// This ensures that the center label isn't drawn twice
if (i == (len - 1)&& invert) {
continue;
}
RG.Text2(this, {'font':font,
'size': text_size,
'x': xPos,
'y': this.gutterTop + this.halfGraphHeight + this.halfGraphHeight - (((i + 1)/numYLabels) * this.halfGraphHeight),
'valign': 'center',
'halign':align,
'bounding': boxed,
'boundingFill': 'white',
'text': '-' + this.scale2.labels[i],
'tag': 'scale'
});
}
}
// If ymin is specified draw that
if (!invert && yMin > 0) {
RG.Text2(this, {'font':font,
'size': text_size,
'x': xPos,
'y': this.gutterTop + this.halfGraphHeight,
'valign': 'center',
'halign':align,
'bounding': boxed,
'boundingFill': 'white',
'text': RG.number_format(this, yMin.toFixed(prop['chart.scale.decimals']), units_pre, units_post),
'tag': 'scale'
});
}
if (invert) {
RG.Text2(this, {'font':font,
'size': text_size,
'x': xPos,
'y': this.gutterTop,
'valign': 'center',
'halign':align,
'bounding': boxed,
'boundingFill': 'white',
'text': RG.number_format(this, yMin.toFixed(prop['chart.scale.decimals']), units_pre, units_post),
'tag': 'scale'
});
RG.Text2(this, {'font':font,
'size': text_size,
'x': xPos,
'y': this.gutterTop + (this.halfGraphHeight * 2),
'valign': 'center',
'halign':align,
'bounding': boxed,
'boundingFill': 'white',
'text': '-' + RG.number_format(this, yMin.toFixed(prop['chart.scale.decimals']), units_pre, units_post),
'tag': 'scale'
});
}
}
// X axis at the bottom
} else {
var xPos = prop['chart.yaxispos'] == 'left' ? this.gutterLeft - 5 : ca.width - this.gutterRight + 5;
var align = prop['chart.yaxispos'] == 'right' ? 'left' : 'right';
if (inside) {
if (prop['chart.yaxispos'] == 'left') {
xPos = prop['chart.gutter.left'] + 5;
align = 'left';
boxed = true;
} else {
xPos = ca.width - obj.gutterRight - 5;
align = 'right';
boxed = true;
}
}
/**
* Specific Y labels
*/
if (typeof prop['chart.ylabels.specific'] == 'object' && prop['chart.ylabels.specific']) {
var labels = prop['chart.ylabels.specific'];
// Lose the last label
if (prop['chart.ymin'] > 9999) {
labels = [];
for (var i=0; i<(prop['chart.ylabels.specific'].length - 1); ++i) {
labels.push(prop['chart.ylabels.specific'][i]);
}
}
for (var i=0,len=labels.length; i<len; i+=1) {
var y = this.gutterTop + (i * (this.grapharea / (len - 1)) );
RG.Text2(this, {'font':font,
'size':text_size,
'x':xPos,
'y':y,
'text':labels[i],
'halign':align,
'valign':'center',
'bounding':boxed,
'tag': 'scale'
});
}
/**
* X axis at the bottom
*/
} else {
if (typeof(numYLabels) == 'number') {
if (invert) {
for (var i=0; i<numYLabels; ++i) {
//var value = ((this.max - this.min)/ numYLabels) * i;
// value = value.toFixed(prop['chart.scale.decimals']);
var interval = (ca.height - this.gutterTop - this.gutterBottom) / numYLabels;
RG.Text2(this, {'font':font,
'size': text_size,
'x': xPos,
'y': this.gutterTop + ((i+1) * interval),
'valign': 'center',
'halign':align,
'bounding': boxed,
'boundingFill': 'white',
'text': this.scale2.labels[i],
'tag': 'scale'
});
}
// No X axis being shown and there's no ymin. If ymin IS set its added further down
if (!prop['chart.xaxis'] && !prop['chart.ymin']) {
RG.Text2(this, {'font':font,
'size': text_size,