// version: 2017-11-25
/**
* o--------------------------------------------------------------------------------o
* | This file is part of the RGraph package - you can learn more at: |
* | |
* | http://www.rgraph.net |
* | |
* | RGraph is licensed under the Open Source MIT license. That means that it's |
* | totally free to use and there are no restrictions on what you can do with it! |
* o--------------------------------------------------------------------------------o
*/
RGraph = window.RGraph || {isRGraph: true};
/**
* The progress bar constructor
*
* @param int id The ID of the canvas tag
* @param int value The indicated value of the meter.
* @param int max The end value (the upper most) of the meter
*/
RGraph.HProgress = function (conf)
{
/**
* Allow for object config style
*/
if ( typeof conf === 'object'
&& typeof conf.value !== 'undefined'
&& typeof conf.id === 'string') {
var id = conf.id,
canvas = document.getElementById(id),
min = conf.min,
max = conf.max,
value = conf.value,
parseConfObjectForOptions = true; // Set this so the config is parsed (at the end of the constructor)
} else {
var id = conf,
canvas = document.getElementById(id),
min = arguments[1],
max = arguments[2],
value = arguments[3];
}
this.id = id;
this.canvas = canvas;
this.context = this.canvas.getContext('2d');
this.canvas.__object__ = this;
this.min = RGraph.stringsToNumbers(min);
this.max = RGraph.stringsToNumbers(max);
this.value = RGraph.stringsToNumbers(value);
this.type = 'hprogress';
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.color': '#999',
'chart.tickmarks.inner': false,
'chart.tickmarks.zerostart':true,
'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': 'Gradient(#ccc:#eee:#efefef)',
'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.background': 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.text.size': 12,
'chart.text.color': 'black',
'chart.text.font': 'Segoe UI, Arial, Verdana, sans-serif',
'chart.text.accessible': true,
'chart.text.accessible.overflow': 'visible',
'chart.text.accessible.pointerevents': true,
'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.arrows': false,
'chart.margin': 0,
'chart.resizable': false,
'chart.resize.handle.adjust':[0,0],
'chart.resize.handle.background':null,
'chart.labels.specific': null,
'chart.labels.count': 10,
'chart.labels.offsetx': 0,
'chart.labels.offsety': 0,
'chart.adjustable': false,
'chart.scale.decimals': 0,
'chart.scale.point': '.',
'chart.scale.thousand': ',',
'chart.key': null,
'chart.key.background': 'white',
'chart.key.position': 'gutter',
'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.color.shape': 'square',
'chart.key.interactive': false,
'chart.key.interactive.highlight.chart.stroke': 'black',
'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.labels.position': 'bottom',
'chart.events.mousemove': null,
'chart.events.click': null,
'chart.border.inner': true,
'chart.clearto': 'rgba(0,0,0,0)'
}
// Check for support
if (!this.canvas) {
alert('[HPROGRESS] No canvas support');
return;
}
/**
* Create the dollar objects so that functions can be added to them
*/
var linear_data = RGraph.array_linearize(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,
ca = this.canvas,
co = ca.getContext('2d'),
prop = this.properties,
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);
}
/**
* A generic setter
*
* @param string name The name of the property to set
* @param string value The value of the poperty
*/
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
while(name.match(/([A-Z])/)) {
name = name.replace(/([A-Z])/, '.' + RegExp.$1.toLowerCase());
}
/**
* chart.strokestyle now sets both chart.strokestyle.inner and chart.strokestyle.outer
*/
if (name == 'chart.strokestyle') {
this.Set('chart.strokestyle.inner', value);
this.Set('chart.strokestyle.outer', value);
return;
}
prop[name] = 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;
}
// Convert uppercase letters to dot+lower case letter
while(name.match(/([A-Z])/)) {
name = name.replace(/([A-Z])/, '.' + RegExp.$1.toLowerCase());
}
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 individual 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 = [];
this.coordsText = [];
this.drawbar();
this.DrawTickMarks();
this.DrawLabels();
this.DrawTitle();
//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);
}
// Draw the 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);
}
/**
* This installs the event listeners
*/
RG.InstallEventListeners(this);
/**
* Fire the onfirstdraw event
*/
if (this.firstDraw) {
this.firstDraw = false;
RG.fireCustomEvent(this, 'onfirstdraw');
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 bar
*/
this.drawbar =
this.Drawbar = function ()
{
/**
* First get the scale
*/
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.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 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.fillStyle = prop['chart.colors'][0];
co.strokeStyle = prop['chart.strokestyle.outer'];
var margin = prop['chart.margin'];
// Draw the actual bar itself
var barWidth = ma.min(this.width, ((RG.array_sum(this.value) - this.min) / (this.max - this.min) ) * this.width);
if (prop['chart.tickmarks.inner']) {
var spacing = (ca.width - this.gutterLeft - this.gutterRight) / prop['chart.numticks.inner'];
co.lineWidth = 1;
co.strokeStyle = prop['chart.strokestyle.outer'];
co.beginPath();
for (var x = this.gutterLeft; x<ca.width - this.gutterRight; x+=spacing) {
co.moveTo(Math.round(x), this.gutterTop);
co.lineTo(Math.round(x), this.gutterTop + 2);
co.moveTo(Math.round(x), ca.height - this.gutterBottom);
co.lineTo(Math.round(x), ca.height - this.gutterBottom - 2);
}
co.stroke();
}
/**
* This bit draws the actual progress bar
*/
if (typeof this.value === 'number') {
if (prop['chart.border.inner']) {
this.drawCurvedBar({
x: this.gutterLeft,
y: this.gutterTop + margin,
width: barWidth,
height: this.height - margin - margin,
stroke: prop['chart.strokestyle.inner']
});
}
this.drawCurvedBar({
x: this.gutterLeft,
y: this.gutterTop + margin,
width: barWidth,
height: this.height - margin - margin,
fill: prop['chart.colors'][0]
});
// Store the coords
this.coords.push([
this.gutterLeft,
this.gutterTop + margin,
barWidth,
this.height - margin - margin
]);
} else if (typeof this.value === 'object') {
co.beginPath();
var startPoint = this.gutterLeft;
for (var i=0,len=this.value.length; i<len; ++i) {
var segmentLength = (this.value[i] / RG.arraySum(this.value)) * barWidth;
if (prop['chart.border.inner']) {
this.drawCurvedBar({
x: startPoint,
y: this.gutterTop + margin,
width: segmentLength,
height: this.height - margin - margin,
fill: prop['chart.colors'][i],
stroke: prop['chart.strokestyle.inner']
});
}
this.drawCurvedBar({
x: startPoint,
y: this.gutterTop + margin,
width: segmentLength,
height: this.height - margin - margin,
fill: prop['chart.colors'][i]
});
// Store the coords
this.coords.push([
startPoint,
this.gutterTop + margin,
segmentLength,
this.height - margin - margin
]);
startPoint += segmentLength;
}
}
/**
* Draw the arrows indicating the level if requested
*/
if (prop['chart.arrows']) {
var x = this.gutterLeft + barWidth;
var y = this.gutterTop;
co.lineWidth = 1;
co.fillStyle = 'black';
co.strokeStyle = 'black';
co.beginPath();
co.moveTo(x, y - 3);
co.lineTo(x + 2, y - 7);
co.lineTo(x - 2, y - 7);
co.closePath();
co.stroke();
co.fill();
co.beginPath();
co.moveTo(x, y + this.height + 4);
co.lineTo(x + 2, y + this.height + 9);
co.lineTo(x - 2, y + this.height + 9);
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'] + 2,
'x':this.gutterLeft + barWidth + 5,
'y':this.gutterTop + (this.height / 2),
'text': String(prop['chart.units.pre'] + this.value + prop['chart.units.post']),
'valign':'bottom',
'halign':'left',
'bounding':true,
'boundingFill':'white',
'tag': 'label.inner'
});
}
// This is here to stop colors being changed by later fillszs etc
pa2(co, 'b');
};
/**
* The function that draws the tick marks. Apt name...
*/
this.drawTickMarks =
this.DrawTickMarks = function ()
{
co.strokeStyle = prop['chart.tickmarks.color'];
if (prop['chart.tickmarks']) {
co.beginPath();
// This is used by the label function below
this.tickInterval = this.width / prop['chart.numticks'];
var start = prop['chart.tickmarks.zerostart'] ? 0 : this.tickInterval;
if (prop['chart.labels.position'] == 'top') {
for (var i=this.gutterLeft + start; i<=(this.width + this.gutterLeft + 0.1); i+=this.tickInterval) {
co.moveTo(Math.round(i), this.gutterTop);
co.lineTo(Math.round(i), this.gutterTop - 4);
}
} else {
for (var i=this.gutterLeft + start; i<=(this.width + this.gutterLeft + 0.1); i+=this.tickInterval) {
co.moveTo(Math.round(i), this.gutterTop + this.height);
co.lineTo(Math.round(i), this.gutterTop + this.height + 4);
}
}
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 xPoints = [],
yPoints = [],
font = prop['chart.text.font'],
size = prop['chart.text.size'],
offsetx = prop['chart.labels.offsetx'],
offsety = prop['chart.labels.offsety'];
for (i=0,len=this.scale2.labels.length; i<len; i++) {
if (prop['chart.labels.position'] == 'top') {
var x = this.width * (i/this.scale2.labels.length) + this.gutterLeft + (this.width / this.scale2.labels.length);
var y = this.gutterTop - 6;
var valign = 'bottom';
} else {
var x = this.width * (i/this.scale2.labels.length) + this.gutterLeft + (this.width / this.scale2.labels.length);
var y = this.height + this.gutterTop + 4;
var valign = 'top';
}
RG.text2(this, {
'font':font,
'size':size,
'x':x + offsetx,
'y':y + offsety,
'text': this.scale2.labels[i],
'valign':valign,
'halign':'center',
'tag': 'scale'
});
}
if (prop['chart.tickmarks.zerostart']) {
if (prop['chart.labels.position'] == 'top') {
RG.text2(this, {
'font':font,
'size':size,
'x':this.gutterLeft + offsetx,
'y':this.gutterTop - 6 + offsety,
'text': prop['chart.units.pre'] + Number(this.min).toFixed(this.min > 0 ? prop['chart.scale.decimals'] : 0) + prop['chart.units.post'],
'valign':'bottom',
'halign':'center',
'tag': 'scale'
});
} else {
RG.text2(this, {
'font':font,
'size':size,
'x':this.gutterLeft + offsetx,
'y':ca.height - this.gutterBottom + 5 + offsety,
'text': prop['chart.units.pre'] + Number(this.min).toFixed(this.min > 0 ? prop['chart.scale.decimals'] : 0) + prop['chart.units.post'],
'valign':'top',
'halign':'center',
'tag': 'scale'
});
}
}
};
/**
* Returns the focused bar
*
* @param event e The event object
*/
this.getShape =
this.getBar = function (e)
{
var mouseXY = RG.getMouseXY(e),
mouseX = mouseXY[0],
mouseY = mouseXY[1];
for (var i=0,len=this.coords.length; i<len; i++) {
var x = this.coords[i][0],
y = this.coords[i][1],
w = this.coords[i][2],
h = this.coords[i][3],
idx = i;
co.beginPath();
this.drawCurvedBar({
x: x,
y: y,
height: h,
width: w
});
if (co.isPointInPath(mouseX, mouseY)) {
var tooltip = RG.parseTooltipText(prop['chart.tooltips'], idx);
return {
0: this, 1: x, 2: y, 3: w, 4: h, 5: idx,
'object':this, 'x':x, 'y':y, 'width': w, 'height': h, 'index': idx, '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 mouseXY = RG.getMouseXY(e);
var value = (mouseXY[0] - this.gutterLeft) / this.width;
value *= this.max - this.min;
value += this.min;
if (mouseXY[0] < this.gutterLeft) {
value = this.min;
}
if (mouseXY[0] > (ca.width - this.gutterRight) ) {
value = this.max
}
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)
{
var last = shape.index === this.coords.length - 1;
if (typeof prop['chart.highlight.style'] === 'function') {
(prop['chart.highlight.style'])(shape);
} else {
this.drawCurvedBar({
x: shape.x,
y: shape.y,
width: shape.width,
height: shape.height,
stroke: prop['chart.highlight.stroke'],
fill: prop['chart.highlight.fill']
});
}
};
/**
* 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 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') {
this.value = Number(value.toFixed(prop['chart.scale.decimals']));
RG.redrawCanvas(ca);
// Fire the onadjust event
RG.fireCustomEvent(this, 'onadjust');
}
}
};
/**
* Draws chart.labels.specific
*/
this.drawSpecificLabels =
this.DrawSpecificLabels = function ()
{
var labels = prop['chart.labels.specific'];
if (labels) {
var font = prop['chart.text.font'],
size = prop['chart.text.size'],
valign = (prop['chart.labels.position'] == 'top' ? 'bottom' : 'top'),
step = this.width / (labels.length - 1),
offsetx = prop['chart.labels.offsetx'],
offsety = prop['chart.labels.offsety']
co.beginPath();
co.fillStyle = prop['chart.text.color'];
for (var i=0; i<labels.length; ++i) {
RG.Text2(this, {
font:font,
size:size,
x: this.gutterLeft + (step * i) + offsetx,
y: prop['chart.labels.position'] == 'top' ? this.gutterTop - 7 + offsety: ca.height - this.gutterBottom + 7 + offsety,
text: labels[i],
valign:valign,
halign:'center',
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 = this.gutterLeft;
var gutterTop = this.gutterTop;
var width = tooltip.offsetWidth;
var height = tooltip.offsetHeight;
var mouseXY = RG.getMouseXY(window.event);
// Set the top position
tooltip.style.left = 0;
tooltip.style.top = window.event.pageY - height - 5 + 'px';
// By default any overflow is hidden
tooltip.style.overflow = '';
// Reposition the tooltip if at the edges:
// LEFT edge
if (canvasXY[0] + mouseXY[0] - (width / 2) < 0) {
tooltip.style.left = canvasXY[0] + mouseXY[0] - (width * 0.1) + 'px';
// RIGHT edge
} else if (canvasXY[0] + mouseXY[0] + (width / 2) > doc.body.offsetWidth) {
tooltip.style.left = canvasXY[0] + mouseXY[0] - (width * 0.9) + 'px';
// Default positioning - CENTERED
} else {
tooltip.style.left = canvasXY[0] + mouseXY[0] - (width / 2) + 'px';
}
};*/
/**
* This function returns the appropriate X coordinate for the given value
*
* @param int value The value you want the coordinate for
* @returm int The coordinate
*/
this.getXCoord = function (value)
{
var min = this.min;
if (value < min || value > this.max) {
return null;
}
var barWidth = ca.width - this.gutterLeft - this.gutterRight;
var coord = ((value - min) / (this.max - min)) * barWidth;
coord = this.gutterLeft + coord;
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; i<colors.length; ++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(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;
};
/**
* 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][2];
co.save();
// Draw a path to clip to
co.beginPath();
co.rect(
this.coords[0][0],
this.coords[0][1],
len,
this.coords[0][3]
);
co.clip();
co.save();
// Draw a path to clip to
co.beginPath();
this.drawCurvedBar({
x: this.coords[0][0],
y: this.coords[0][1],
width: len,
height: this.coords[0][3]
});
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;
this.drawCurvedBar({
x: this.coords[0][0] - 51,
y: this.coords[0][1] - 1,
width: len + 52,
height: this.coords[0][3] + 2
});
co.stroke();
co.restore();
co.restore();
};
/**
* Draw the titles
*/
this.drawTitle =
this.DrawTitle = function ()
{
// Draw the title text
if (prop['chart.title'].length) {
var x = ((ca.width - this.gutterLeft - this.gutterRight) / 2) + this.gutterLeft;
var text = prop['chart.title'];
var size = prop['chart.title.size'] ? prop['chart.title.size'] : prop['chart.text.size'] + 2;
var font = prop['chart.title.font'] ? prop['chart.title.font'] : prop['chart.text.font'];
if (prop['chart.labels.position'] == 'top') {
y = ca.height - this.gutterBottom +5;
x = ((ca.width - this.gutterLeft - this.gutterRight) / 2) + this.gutterLeft;
valign = 'top';
} else {
x = ((ca.width - this.gutterLeft - this.gutterRight) / 2) + this.gutterLeft;
y = this.gutterTop - 5;
valign = 'bottom';
}
RG.Text2(this, {
'font':font,
'size':size,
'x': typeof(prop['chart.title.x']) == 'number' ? prop['chart.title.x'] : x,
'y': typeof(prop['chart.title.y']) == 'number' ? prop['chart.title.y'] : y,
'text': text,
'valign': prop['chart.title.valign'] ? prop['chart.title.valign'] : valign,
'halign': prop['chart.title.halign'] ? prop['chart.title.halign'] : 'center',
'bold':prop['chart.title.bold'],
'bounding': prop['chart.title.background'] ? true : false,
'boundingFill': prop['chart.title.background'],
'tag': 'title'
});
}
};
/**
* 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;
}
if (typeof this[type] !== 'function') {
this[type] = func;
} else {
RG.addCustomEventListener(this, type, func);
}
return this;
};
/**
* Draws a bar with a curved end.
*
* DOESN'T DRAW A CURVED BAR ANY MORE - JUST A REGULAR SQUARE ENDED BAR
*
* @param object opt The coords and colours
*/
this.drawCurvedBar = function (opt)
{
pa2(co, 'b r % % % %',
opt.x, opt.y,
opt.width, opt.height
);
if (opt.stroke) {
co.strokeStyle = opt.stroke;
co.stroke();
}
if (opt.fill) {
co.fillStyle = opt.fill;
co.fill();
}
}
/**
* 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 (RG.is_null(obj.currentValue)) {
obj.currentValue = [];
for (var i=0,len=obj.value.length; i<len; ++i) {
obj.currentValue[i] = 0;
}
}
var diff = [];
var increment = [];
for (var i=0,len=obj.value.length; i<len; ++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,len=obj.value.length; i<len; ++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,len=initial_value.length; i<len; ++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;
};
RG.att(ca);
/**
* Register the object for redrawing
*/
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);
}
};