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 progress bar constructor
*
* @param mixed conf This can either be an object that contains all of the configuration data
* (the updated way of configuring the object) or it can be a string consisting of the
* canvas ID
* @param number The minimum value (if using the older configuration style)
* @param number The maximum value (if using the older configuration style)
* @param number The represented value (if using the older configuration style)
*/
RGraph.VProgress = function (conf)
{
/**
* Allow for object config style
*/
if ( typeof conf === 'object'
&& typeof conf.min === 'number'
&& typeof conf.max === 'number'
&& typeof conf.id === 'string') {
var parseConfObjectForOptions = true; // Set this so the config is parsed (at the end of the constructor)
} else {
var conf = {
id: arguments[0],
min: arguments[1],
max: arguments[2],
value: arguments[3]
}
}
this.id = conf.id;
this.canvas = document.getElementById(this.id);
this.context = this.canvas.getContext('2d');
this.canvas.__object__ = this;
this.min = conf.min;
this.max = conf.max;
this.value = RGraph.stringsToNumbers(conf.value);
this.type = 'vprogress';
this.coords = [];
this.isRGraph = true;
this.currentValue = null;
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
/**
* Compatibility with older browsers
*/
//RGraph.OldBrowserCompat(this.context);
this.properties =
{
'chart.colors': ['Gradient(white:#0c0)','Gradient(white:red)','Gradient(white:green)','yellow','pink','cyan','black','white','gray'],
'chart.strokestyle.inner': '#999',
'chart.strokestyle.outer': '#999',
'chart.tickmarks': true,
'chart.tickmarks.zerostart':true,
'chart.tickmarks.color': '#999',
'chart.tickmarks.inner': false,
'chart.gutter.left': 25,
'chart.gutter.right': 25,
'chart.gutter.top': 25,
'chart.gutter.bottom': 25,
'chart.numticks': 10,
'chart.numticks.inner': 50,
'chart.background.color': '#eee',
'chart.shadow': false,
'chart.shadow.color': 'rgba(0,0,0,0.5)',
'chart.shadow.blur': 3,
'chart.shadow.offsetx': 3,
'chart.shadow.offsety': 3,
'chart.title': '',
'chart.title.bold': true,
'chart.title.font': null,
'chart.title.size': null,
'chart.title.color': 'black',
'chart.title.side': null,
'chart.title.side.font': 'Arial',
'chart.title.side.size': 12,
'chart.title.side.color': 'black',
'chart.title.side.bold': true,
'chart.text.size': 10,
'chart.text.color': 'black',
'chart.text.font': 'Arial',
'chart.contextmenu': null,
'chart.units.pre': '',
'chart.units.post': '',
'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.annotatable': false,
'chart.annotate.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.arrows': false,
'chart.margin': 0,
'chart.resizable': false,
'chart.resize.handle.adjust': [0,0],
'chart.resize.handle.background': null,
'chart.label.inner': false,
'chart.labels.count': 10,
'chart.labels.position': 'right',
'chart.adjustable': false,
'chart.scale.decimals': 0,
'chart.scale.thousand': ',',
'chart.scale.point': '.',
'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.color.shape': 'square',
'chart.key.rounded': true,
'chart.key.linewidth': 1,
'chart.key.colors': null,
'chart.key.interactive': false,
'chart.key.interactive.highlight.chart.stroke': '#000',
'chart.key.interactive.highlight.chart.fill': 'rgba(255,255,255,0.7)',
'chart.key.interactive.highlight.label': 'rgba(255,0,0,0.2)',
'chart.key.text.color': 'black',
'chart.events.click': null,
'chart.events.mousemove': null,
'chart.border.inner': true
}
// Check for support
if (!this.canvas) {
alert('[PROGRESS] No canvas support');
return;
}
/**
* Create the dollar objects so that functions can be added to them
*/
var linear_data = RGraph.arrayLinearize(this.value);
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;
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 generic setter
*
* @param string name The name of the property to set or it can also be an object containing
* object style configuration
*/
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;
}
/**
* chart.strokestyle now sets both chart.strokestyle.inner and chart.strokestyle.outer
*/
if (name == 'chart.strokestyle') {
prop['chart.strokestyle.inner'] = value;
prop['chart.strokestyle.outer'] = value;
return;
}
prop[name.toLowerCase()] = value;
return this;
};
/**
* A generic getter
*
* @param string name The name of the property 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;
}
return prop[name.toLowerCase()];
};
/**
* Draws the progress bar
*/
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;
}
/**
* Set the current value
*/
this.currentValue = this.value;
/**
* 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'];
// Figure out the width and height
this.width = ca.width - this.gutterLeft - this.gutterRight;
this.height = ca.height - this.gutterTop - this.gutterBottom;
this.coords = [];
/**
* Stop this growing uncontrollably
*/
this.coordsText = [];
this.Drawbar();
this.DrawTickMarks();
this.DrawLabels();
this.DrawTitles();
co.stroke();
co.fill();
/**
* Draw the bevel effect if requested
*/
if (prop['chart.bevel']) {
this.DrawBevel();
}
/**
* Setup the context menu if required
*/
if (prop['chart.contextmenu']) {
RG.ShowContext(this);
}
/**
* This installs the event listeners
*/
RG.InstallEventListeners(this);
// Draw a key if necessary
if (prop['chart.key'] && prop['chart.key'].length) {
RG.DrawKey(this, prop['chart.key'], prop['chart.colors']);
}
/**
* This function enables resizing
*/
if (prop['chart.resizable']) {
RG.AllowResizing(this);
}
/**
* Instead of using RGraph.common.adjusting.js, handle them here
*/
this.AllowAdjusting();
/**
* 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;
};
/**
* Draw the bar itself
*/
this.drawbar =
this.Drawbar = function ()
{
/**
* First get the scale
*/
this.scale2 = RGraph.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.labels.count'],
'scale.round':prop['chart.scale.round'],
'units.pre': prop['chart.units.pre'],
'units.post': prop['chart.units.post']
});
// Set a shadow if requested
if (prop['chart.shadow']) {
RG.SetShadow(this, prop['chart.shadow.color'], prop['chart.shadow.offsetx'], prop['chart.shadow.offsety'], prop['chart.shadow.blur']);
}
// Draw the shadow for MSIE
if (RGraph.ISOLD && prop['chart.shadow']) {
co.fillStyle = prop['chart.shadow.color'];
co.fillRect(this.gutterLeft + prop['chart.shadow.offsetx'], this.gutterTop + prop['chart.shadow.offsety'], this.width, this.height);
}
// Draw the outline
co.fillStyle = prop['chart.background.color'];
co.strokeStyle = prop['chart.strokestyle.outer'];
co.strokeRect(this.gutterLeft, this.gutterTop, this.width, this.height);
co.fillRect(this.gutterLeft, this.gutterTop, this.width, this.height);
// Turn off any shadow
RG.NoShadow(this);
co.strokeStyle = prop['chart.strokestyle.outer'];
co.fillStyle = prop['chart.colors'][0];
var margin = prop['chart.margin'];
var barHeight = (ca.height - this.gutterTop - this.gutterBottom) * (RG.array_sum(this.value) / this.max);
// Draw the actual bar itself
if (typeof this.value == 'number') {
co.lineWidth = 1;
co.strokeStyle = prop['chart.strokestyle.inner'];
} else if (typeof this.value == 'object') {
co.beginPath();
co.strokeStyle = prop['chart.strokestyle.inner'];
var startPoint = ca.height - this.gutterBottom;
for (var i=0; i<this.value.length; ++i) {
var segmentHeight = ( (this.value[i] - this.min) / (this.max - this.min) ) * (ca.height - this.gutterBottom - this.gutterTop);
co.fillStyle = prop['chart.colors'][i];
if (prop['chart.border.inner']) {
co.strokeRect(this.gutterLeft + margin, startPoint - segmentHeight, this.width - margin - margin, segmentHeight);
}
co.fillRect(this.gutterLeft + margin, startPoint - segmentHeight, this.width - margin - margin, segmentHeight);
// Store the coords
this.coords.push([this.gutterLeft + margin, startPoint - segmentHeight, this.width - margin - margin, segmentHeight]);
startPoint -= segmentHeight;
}
co.stroke();
co.fill();
}
/**
* Inner tickmarks
*/
if (prop['chart.tickmarks.inner']) {
var spacing = (ca.height - this.gutterTop - this.gutterBottom) / prop['chart.numticks.inner'];
co.lineWidth = 1;
co.strokeStyle = prop['chart.strokestyle.outer'];
co.beginPath();
for (var y = this.gutterTop; y<ca.height - this.gutterBottom; y+=spacing) {
co.moveTo(this.gutterLeft, Math.round(y));
co.lineTo(this.gutterLeft + 3, Math.round(y));
co.moveTo(ca.width - this.gutterRight, Math.round(y));
co.lineTo(ca.width - this.gutterRight - 3, Math.round(y));
}
co.stroke();
}
co.beginPath();
co.strokeStyle = prop['chart.strokestyle.inner'];
if (typeof this.value == 'number') {
if (prop['chart.border.inner']) {
co.strokeRect(this.gutterLeft + margin, this.gutterTop + this.height - barHeight, this.width - margin - margin, barHeight);
}
co.fillRect(this.gutterLeft + margin, this.gutterTop + this.height - barHeight, this.width - margin - margin, barHeight);
// Store the coords
this.coords.push([this.gutterLeft + margin, this.gutterTop + this.height - barHeight, this.width - margin - margin, barHeight]);
}
/**
* Draw the arrows indicating the level if requested
*/
if (prop['chart.arrows']) {
var x = this.gutterLeft - 4;
var y = ca.height - this.gutterBottom - barHeight;
co.lineWidth = 1;
co.fillStyle = 'black';
co.strokeStyle = 'black';
co.beginPath();
co.moveTo(x, y);
co.lineTo(x - 4, y - 2);
co.lineTo(x - 4, y + 2);
co.closePath();
co.stroke();
co.fill();
x += this.width + 8;
co.beginPath();
co.moveTo(x, y);
co.lineTo(x + 4, y - 2);
co.lineTo(x + 4, y + 2);
co.closePath();
co.stroke();
co.fill();
}
/**
* Draw the "in-bar" label
*/
if (prop['chart.label.inner']) {
co.fillStyle = 'black';
RG.Text2(this, {'font':prop['chart.text.font'],
'size':prop['chart.text.size'],
'x':((ca.width - this.gutterLeft - this.gutterRight) / 2) + this.gutterLeft,'y':this.coords[this.coords.length - 1][1] - 5,'text':RGraph.number_format(this, (typeof(this.value) == 'number' ? this.value : RG.array_sum(this.value)).toFixed(prop['chart.scale.decimals'])),
'valign':'bottom',
'halign':'center',
'bounding':true,
'boundingFill':'white',
'tag': 'label.inner'
});
}
};
/**
* The function that draws the tick marks.
*/
this.drawTickMarks =
this.DrawTickMarks = function ()
{
co.strokeStyle = prop['chart.tickmarks.color'];
if (prop['chart.tickmarks']) {
co.beginPath();
for (var i=0; prop['chart.tickmarks.zerostart'] ? i<=prop['chart.numticks'] : i<prop['chart.numticks']; i++) {
var startX = prop['chart.labels.position'] == 'left' ? this.gutterLeft : ca.width - prop['chart.gutter.right'];
var endX = prop['chart.labels.position'] == 'left' ? startX - 4 : startX + 4;
var yPos = (this.height * (i / prop['chart.numticks'])) + this.gutterTop
co.moveTo(startX, Math.round(yPos));
co.lineTo(endX, Math.round(yPos));
}
co.stroke();
}
};
/**
* The function that draws the labels
*/
this.drawLabels =
this.DrawLabels = function ()
{
if (!RG.is_null(prop['chart.labels.specific'])) {
return this.DrawSpecificLabels();
}
co.fillStyle = prop['chart.text.color'];
var position = prop['chart.labels.position'];
var xAlignment = position == 'left' ? 'right' : 'left';
var yAlignment = 'center';
var count = prop['chart.labels.count'];
var units_pre = prop['chart.units.pre'];
var units_post = prop['chart.units.post'];
var text_size = prop['chart.text.size'];
var text_font = prop['chart.text.font'];
var decimals = prop['chart.scale.decimals'];
if (prop['chart.tickmarks']) {
for (var i=0; i<count ; ++i) {
RG.Text2(this, {'font':text_font,
'size':text_size,
'x':position == 'left' ? (this.gutterLeft - 7) : (ca.width - this.gutterRight + 7),
'y':(((ca.height - this.gutterTop - this.gutterBottom) / count) * i) + this.gutterTop,
'text':this.scale2.labels[this.scale2.labels.length - (i+1)],
'valign':yAlignment,
'halign':xAlignment,
'tag': 'scale'
});
}
/**
* Show zero?
*/
if (prop['chart.tickmarks.zerostart'] && this.min == 0) {
RG.Text2(this, {'font':text_font,
'size':text_size,
'x':position == 'left' ? (this.gutterLeft - 5) : (ca.width - this.gutterRight + 5),
'y':ca.height - this.gutterBottom,'text':RG.number_format(this, this.min.toFixed(decimals), units_pre, units_post),
'valign':yAlignment,
'halign':xAlignment,
'tag': 'scale'
});
}
/**
* min is set
*/
if (this.min != 0) {
RG.Text2(this, {'font':text_font,
'size':text_size,
'x':position == 'left' ? (this.gutterLeft - 5) : (ca.width - this.gutterRight + 5),
'y':ca.height - this.gutterBottom,
'text':RG.number_format(this, this.min.toFixed(decimals), units_pre, units_post),
'valign':yAlignment,
'halign':xAlignment,
'tag': 'scale'
});
}
}
};
/**
* Draws titles
*/
this.drawTitles =
this.DrawTitles = function ()
{
var text_size = prop['chart.text.size'];
var text_font = prop['chart.text.font'];
var title_size = prop['chart.title.size'] ? prop['chart.title.size'] : text_size + 2;
// Draw the title text
if (prop['chart.title'].length > 0) {
co.fillStyle = prop['chart.title.color'];
RG.Text2(this, {'font':prop['chart.title.font'] ? prop['chart.title.font'] : text_font,
'size':title_size,
'x':this.gutterLeft + ((ca.width - this.gutterLeft - this.gutterRight) / 2),
'y':this.gutterTop - 5,
'text':prop['chart.title'],
'valign':'bottom',
'halign':'center',
'bold': prop['chart.title.bold'],
'tag': 'title'
});
}
// Draw side title
if (typeof(prop['chart.title.side']) == 'string') {
co.fillStyle = prop['chart.title.side.color'];
RG.Text2(this, {'font':prop['chart.title.side.font'],
'size':prop['chart.title.side.size'],
'x':prop['chart.labels.position'] == 'right' ? this.gutterLeft - 10 : (ca.width - this.gutterRight) + 10,
'y':this.gutterTop + (this.height / 2),
'text': prop['chart.title.side'],
'valign':'bottom',
'halign':'center',
'angle': prop['chart.labels.position'] == 'right' ? 270 : 90,
'bold': prop['chart.title.side.bold'],
'tag': 'title.side'
});
}
};
/**
* Returns the focused bar
*
* @param event e The event object
*/
this.getShape =
this.getBar = function (e)
{
var mouseCoords = RG.getMouseXY(e)
for (var i=0,len=this.coords.length; i<len; i++) {
var mouseCoords = RG.getMouseXY(e);
var mouseX = mouseCoords[0];
var mouseY = mouseCoords[1];
var left = this.coords[i][0];
var top = this.coords[i][1];
var width = this.coords[i][2];
var height = this.coords[i][3];
var idx = i;
if (mouseX >= left && mouseX <= (left + width) && mouseY >= top && mouseY <= (top + height) ) {
var tooltip = RG.parseTooltipText(prop['chart.tooltips'], i);
return {0: this, 'object': this,
1: left, 'x': left,
2: top, 'y': top,
3: width, 'width': width,
4: height, 'height': height,
5: i, 'index': i,
'tooltip': tooltip };
}
}
};
/**
* This function returns the value that the mouse is positioned at, regardless of
* the actual indicated value.
*
* @param object e The event object
*/
this.getValue = function (e)
{
var mouseCoords = RG.getMouseXY(e);
var mouseX = mouseCoords[0];
var mouseY = mouseCoords[1];
var value = (this.height - (mouseY - this.gutterTop)) / this.height;
value *= this.max - this.min;
value += this.min;
// Bounds checking
if (value > this.max) value = this.max;
if (value < this.min) value = this.min;
return value;
};
/**
* 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);
};
/**
* 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);
if (
mouseXY[0] > this.gutterLeft
&& mouseXY[0] < (ca.width - this.gutterRight)
&& mouseXY[1] >= this.gutterTop
&& mouseXY[1] <= (ca.height - this.gutterBottom)
) {
return this;
}
};
/**
* This function allows the VProgress to be adjustable.
* UPDATE: Not any more
*/
this.allowAdjusting =
this.AllowAdjusting = function () {return;};
/**
* This method handles the adjusting calculation for when the mouse is moved
*
* @param object e The event object
*/
this.adjusting_mousemove =
this.Adjusting_mousemove = function (e)
{
/**
* Handle adjusting for the HProgress
*/
if (prop['chart.adjustable'] && RG.Registry.Get('chart.adjusting') && RG.Registry.Get('chart.adjusting').uid == this.uid) {
var mouseXY = RG.getMouseXY(e);
var value = this.getValue(e);
if (typeof value === 'number') {
// Fire the onadjust event
RG.FireCustomEvent(this, 'onadjust');
this.value = Number(value.toFixed(prop['chart.scale.decimals']));
RG.RedrawCanvas(this.canvas);
}
}
};
/**
* Draws chart.labels.specific
*/
this.drawSpecificLabels =
this.DrawSpecificLabels = function ()
{
var labels = prop['chart.labels.specific'];
if (labels) {
var font = prop['chart.text.font'];
var size = prop['chart.text.size'];
var halign = prop['chart.labels.position'] == 'right' ? 'left' : 'right';
var step = this.height / (labels.length - 1);
co.beginPath();
co.fillStyle = prop['chart.text.color'];
for (var i=0; i<labels.length; ++i) {
RG.Text2(this,{'font':font,
'size':size,
'x': prop['chart.labels.position'] == 'right' ? ca.width - this.gutterRight + 7 : this.gutterLeft - 7,
'y':(this.height + this.gutterTop) - (step * i),
'text':labels[i],
'valign':'center',
'halign':halign,
'tag': 'labels.specific'
});
}
co.fill();
}
};
/**
* 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];
var coordY = obj.coords[tooltip.__index__][1];
var coordW = obj.coords[tooltip.__index__][2];
var coordH = obj.coords[tooltip.__index__][3];
var canvasXY = RG.getCanvasXY(obj.canvas);
var gutterLeft = obj.gutterLeft;
var gutterTop = obj.gutterTop;
var width = tooltip.offsetWidth;
var height = tooltip.offsetHeight;
// Set the top position
tooltip.style.left = 0;
tooltip.style.top = canvasXY[1] + coordY - height - 7 + '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)) < 10) {
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 + (coordW / 2) + (width / 2)) > 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';
}
};
/**
* This function returns the appropriate Y coordinate for the given Y value
*
* @param int value The Y value you want the coordinate for
* @returm int The coordinate
*/
this.getYCoord = function (value)
{
if (value > this.max || value < this.min) {
return null;
}
var barHeight = ca.height - prop['chart.gutter.top'] - prop['chart.gutter.bottom'];
var coord = ((value - this.min) / (this.max - this.min)) * barHeight;
coord = ca.height - coord - prop['chart.gutter.bottom'];
return coord;
};
/**
* This returns true/false as to whether the cursor is over the chart area.
* The cursor does not necessarily have to be over the bar itself.
*/
this.overChartArea = function (e)
{
var mouseXY = RGraph.getMouseXY(e);
var mouseX = mouseXY[0];
var mouseY = mouseXY[1];
if ( mouseX >= this.gutterLeft
&& mouseX <= (ca.width - this.gutterRight)
&& mouseY >= this.gutterTop
&& mouseY <= (ca.height - this.gutterBottom)
) {
return true;
}
return false;
};
/**
*
*/
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.tickmarks.color'] = RG.array_clone(prop['chart.tickmarks.color']);
this.original_colors['chart.strokestyle.inner'] = RG.array_clone(prop['chart.strokestyle.inner']);
this.original_colors['chart.strokestyle.outer'] = RG.array_clone(prop['chart.strokestyle.outer']);
this.original_colors['chart.highlight.fill'] = RG.array_clone(prop['chart.highlight.fill']);
this.original_colors['chart.highlight.stroke'] = RG.array_clone(prop['chart.highlight.stroke']);
this.original_colors['chart.highlight.color'] = RG.array_clone(prop['chart.highlight.color']);
}
var colors = prop['chart.colors'];
for (var i=0,len=colors.length; i<len; ++i) {
colors[i] = this.parseSingleColorForGradient(colors[i]);
}
prop['chart.tickmarks.color'] = this.parseSingleColorForGradient(prop['chart.tickmarks.color']);
prop['chart.strokestyle.inner'] = this.parseSingleColorForGradient(prop['chart.strokestyle.inner']);
prop['chart.strokestyle.outer'] = this.parseSingleColorForGradient(prop['chart.strokestyle.outer']);
prop['chart.highlight.fill'] = this.parseSingleColorForGradient(prop['chart.highlight.fill']);
prop['chart.highlight.stroke'] = this.parseSingleColorForGradient(prop['chart.highlight.stroke']);
prop['chart.background.color'] = this.parseSingleColorForGradient(prop['chart.background.color']);
};
/**
* 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(0, ca.height - prop['chart.gutter.bottom'], 0, prop['chart.gutter.top']);
var diff = 1 / (parts.length - 1);
grad.addColorStop(0, RG.trim(parts[0]));
for (var j=1,len=parts.length; j<len; ++j) {
grad.addColorStop(j * diff, RG.trim(parts[j]));
}
return grad ? grad : color;
}
return grad ? grad : color;
};
/**
* Draws the bevel effect
*/
this.drawBevel =
this.DrawBevel = function ()
{
// In case of multiple segments - this adds up all the lengths
for (var i=0,len=0; i<this.coords.length; ++i) len += this.coords[i][3];
co.save();
// Draw a path to clip to
co.beginPath();
co.rect(this.coords[0][0], this.coords[this.coords.length - 1][1] - 1, this.coords[0][2], len);
co.clip();
// Now draw the rect with a shadow
co.beginPath();
co.shadowColor = 'black';
co.shadowOffsetX = 0;
co.shadowOffsetY = 0;
co.shadowBlur = 15;
co.lineWidth = 2;
co.rect(this.coords[0][0] - 1, this.coords[this.coords.length - 1][1] - 1, this.coords[0][2] + 2, len + 2);
co.stroke();
co.restore();
};
/**
* This function handles highlighting an entire data-series for the interactive
* key
*
* @param int index The index of the data series to be highlighted
*/
this.interactiveKeyHighlight = function (index)
{
var coords = this.coords[index];
co.beginPath();
co.strokeStyle = prop['chart.key.interactive.highlight.chart.stroke'];
co.lineWidth = 2;
co.fillStyle = prop['chart.key.interactive.highlight.chart.fill'];
co.rect(coords[0], coords[1], coords[2], coords[3]);
co.fill();
co.stroke();
// Reset the linewidth
co.lineWidth = 1;
};
/**
* 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;
};
/**
* This function runs once only
* (put at the end of the file (before any effects))
*/
this.firstDrawFunc = function ()
{
};
/**
* HProgress Grow effect (which is also the VPogress Grow effect)
*
* @param object obj The chart object
*/
this.grow = function ()
{
var obj = this;
var canvas = obj.canvas;
var context = obj.context;
var initial_value = obj.currentValue;
var opt = arguments[0] || {};
var numFrames = opt.frames || 30;
var frame = 0
var callback = arguments[1] || function () {};
if (typeof obj.value === 'object') {
if (RGraph.is_null(obj.currentValue)) {
obj.currentValue = [];
for (var i=0; i<obj.value.length; ++i) {
obj.currentValue[i] = 0;
}
}
var diff = [];
var increment = [];
for (var i=0; i<obj.value.length; ++i) {
diff[i] = obj.value[i] - Number(obj.currentValue[i]);
increment[i] = diff[i] / numFrames;
}
if (initial_value == null) {
initial_value = [];
for (var i=0; i< obj.value.length; ++i) {
initial_value[i] = 0;
}
}
} else {
var diff = obj.value - Number(obj.currentValue);
var increment = diff / numFrames;
}
function iterator ()
{
frame++;
if (frame <= numFrames) {
if (typeof obj.value == 'object') {
obj.value = [];
for (var i=0; i<initial_value.length; ++i) {
obj.value[i] = initial_value[i] + (increment[i] * frame);
}
} else {
obj.value = initial_value + (increment * frame);
}
RGraph.clear(obj.canvas);
RGraph.redrawCanvas(obj.canvas);
RGraph.Effects.updateCanvas(iterator);
} else {
callback();
}
}
iterator();
return this;
};
/**
* The chart is now always registered
*/
RG.Register(this);
/**
* This is the 'end' of the constructor so if the first argument
* contains configuration data - handle that.
*/
if (parseConfObjectForOptions) {
RG.parseObjectStyleConfig(this, conf.options);
}
};