// o---------------------------------------------------------------------------------o
// | This file is part of the RGraph package - you can learn more at: |
// | |
// | https://www.rgraph.net/license.html |
// | |
// | RGraph is dual-licensed under the Open Source GPL license. That means that it's |
// | free to use and there are no restrictions on what you can use RGraph for! |
// | If the GPL license does not suit you however, then there's an inexpensive |
// | commercial license option available. See the URL above for more details. |
// o---------------------------------------------------------------------------------o
RGraph = window.RGraph || {isrgraph:true,isRGraph:true,rgraph:true};
// The progress bar constructor
RGraph.HProgress = function (conf)
{
var id = conf.id,
canvas = document.getElementById(id),
min = conf.min,
max = conf.max,
value = conf.value;
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.isRGraph = true;
this.isrgraph = true;
this.rgraph = true;
this.currentValue = null;
this.uid = RGraph.createUID();
this.canvas.uid = this.canvas.uid ? this.canvas.uid : RGraph.createUID();
this.colorsParsed = false;
this.coords = [];
this.coordsText = [];
this.original_colors = [];
this.firstDraw = true; // After the first draw this will be false
this.stopAnimationRequested = false;// Used to control the animations
this.properties =
{
colors: ['#0c0','red','green','yellow','pink','cyan','black','white','gray'],
colorsStrokeInner: '#999',
colorsStrokeOuter: '#999',
tickmarksColor: '#999',
tickmarksInnerCount: 0,
tickmarksOuterCount: 0,
backgroundColor: 'Gradient(#ccc:#eee:#efefef)',
//backgroundColor: '#eee',
marginLeft: 35,
marginRight: 35,
marginTop: 35,
marginBottom: 35,
shadow: false,
shadowColor: 'rgba(0,0,0,0.5)',
shadowBlur: 3,
shadowOffsetx: 3,
shadowOffsety: 3,
title: '',
titleX: null,
titleY: null,
titleHalign: null,
titleValign: null,
titleFont: null,
titleSize: null,
titleColor: null,
titleBold: null,
titleItalic: null,
titleOffsetx: 0,
titleOffsety: 0,
titleSubtitle: '',
titleSubtitleSize: null,
titleSubtitleColor: '#aaa',
titleSubtitleFont: null,
titleSubtitleBold: null,
titleSubtitleItalic: null,
titleSubtitleOffsetx: 0,
titleSubtitleOffsety: 0,
textSize: 12,
textColor: 'black',
textFont: 'Arial, Verdana, sans-serif',
textBold: false,
textItalic: false,
textAccessible: false,
textAccessibleOverflow: 'visible',
textAccessiblePointerevents: false,
text: null,
contextmenu: null,
scaleUnitsPre: '',
scaleUnitsPost: '',
scaleDecimals: 0,
scalePoint: '.',
scaleThousand: ',',
adjustable: false,
tooltips: null,
tooltipsEffect: 'slide',
tooltipsCssClass: 'RGraph_tooltip',
tooltipsCss: null,
tooltipsHighlight: true,
tooltipsPersistent: false,
tooltipsEvent: 'onclick',
tooltipsFormattedThousand: ',',
tooltipsFormattedPoint: '.',
tooltipsFormattedDecimals: 0,
tooltipsFormattedUnitsPre: '',
tooltipsFormattedUnitsPost: '',
tooltipsFormattedKeyColors: null,
tooltipsFormattedKeyColorsShape: 'square',
tooltipsFormattedKeyLabels: [],
tooltipsFormattedListType: 'ul',
tooltipsFormattedListItems: null,
tooltipsFormattedTableHeaders: null,
tooltipsFormattedTableData: null,
tooltipsPointer: true,
tooltipsPointerOffsetx: 0,
tooltipsPointerOffsety: 0,
tooltipsPositionStatic: true,
tooltipsHotspotIgnore: null,
highlightLinewidth: 1,
highlightStroke: 'rgba(0,0,0,0)',
highlightFill: 'rgba(255,255,255,0.7)',
annotatable: false,
annotateColor: 'black',
arrows: false,
marginInner: 0,
labelsPosition: 'bottom',
labelsSpecific: null,
labelsSpecificFormattedDecimals: 0,
labelsSpecificFormattedPoint: '.',
labelsSpecificFormattedThousand: ',',
labelsSpecificFormattedUnitsPre: '',
labelsSpecificFormattedUnitsPost: '',
labelsCount: 10,
labelsOffsetx: 0,
labelsOffsety: 0,
labelsFont: null,
labelsSize: null,
labelsColor: null,
labelsBold: null,
labelsItalic: null,
labelsInner: false,
labelsInnerFont: null,
labelsInnerSize: null,
labelsInnerColor: null,
labelsInnerBold: null,
labelsInnerItalic: null,
labelsInnerOffsetx: 0,
labelsInnerOffsety: 0,
labelsInnerDecimals: 0,
labelsInnerBackgroundFill: 'rgba(255,255,255,0.7)',
labelsInnerBorder: true,
labelsInnerBorderLinewidth: 1,
labelsInnerBorderColor: '#ccc',
labelsInnerScalePoint: null,
labelsInnerScaleThousand: null,
labelsInnerUnitsPre: '',
labelsInnerUnitsPost: '',
labelsInnerSpecific: null,
key: null,
keyBackground: 'white',
keyPosition: 'margin',
keyHalign: 'right',
keyShadow: false,
keyShadowColor: '#666',
keyShadowBlur: 3,
keyShadowOffsetx: 2,
keyShadowOffsety: 2,
keyPositionMarginBoxed: false,
keyPositionMarginHSpace: 0,
keyPositionX: null,
keyPositionY: null,
keyColorShape: 'square',
keyRounded: true,
keyLinewidth: 1,
keyColors: null,
keyColorShape: 'square',
keyInteractive: false,
keyInteractiveHighlightChartLinewidth: 2,
keyInteractiveHighlightChartStroke: 'black',
keyInteractiveHighlightChartFill: 'rgba(255,255,255,0.7)',
keyInteractiveHighlightLabel: 'rgba(255,0,0,0.2)',
keyLabelsColor: null,
keyLabelsFont: null,
keyLabelsSize: null,
keyLabelsBold: null,
keyLabelsItalic: null,
keyLabelsOffsetx: 0,
keyLabelsOffsety: 0,
keyFormattedDecimals: 0,
keyFormattedPoint: '.',
keyFormattedThousand: ',',
keyFormattedUnitsPre: '',
keyFormattedUnitsPost: '',
keyFormattedValueSpecific: null,
keyFormattedItemsCount: null,
borderInner: true,
corners: 'square', // Can also be round
cornersRoundRadius: 10,
clearto: 'rgba(0,0,0,0)'
}
//
// Add the reverse look-up table for property names
// so that property names can be specified in any case.
//
this.properties_lowercase_map = [];
for (var i in this.properties) {
if (typeof i === 'string') {
this.properties_lowercase_map[i.toLowerCase()] = i;
}
}
// 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.arrayLinearize(value);
for (var i=0; i<linear_data.length; ++i) {
this['$' + i] = {};
}
// Short variable names
var properties = this.properties;
this.path = RGraph.pathObjectFunction;
//
// "Decorate" the object with the generic effects if the effects library has been included
//
if (RGraph.Effects && typeof RGraph.Effects.decorate === 'function') {
RGraph.Effects.decorate(this);
}
// Add the responsive method. This method resides in the common file.
this.responsive = RGraph.responsive;
//
// A generic setter
//
// @param string name The name of the property to set
// @param string value The value of the poperty
//
this.set = function (name)
{
var value = typeof arguments[1] === 'undefined' ? null : arguments[1];
// Go through all of the properties and make sure
// that they're using the correct capitalisation
if (typeof name === 'string') {
name = this.properties_lowercase_map[name.toLowerCase()] || name;
}
// Set the colorsParsed flag to false if the colors
// property is being set
if ( name === 'colors'
|| name === 'tickmarksColor'
|| name === 'colorsStrokeInner'
|| name === 'colorsStrokeOuter'
|| name === 'highlightFill'
|| name === 'highlightStroke'
|| name === 'highlightColor'
) {
this.colorsParsed = false;
}
// the number of arguments is only one and it's an
// object - parse it for configuration data and return.
if (arguments.length === 1 && typeof arguments[0] === 'object') {
for (i in arguments[0]) {
if (typeof i === 'string') {
this.set(i, arguments[0][i]);
}
}
return this;
}
properties[name] = value;
return this;
};
//
// A generic getter
//
// @param string name The name of the property to get
//
this.get = function (name)
{
// Go through all of the properties and make sure
// that they're using the correct capitalisation
name = this.properties_lowercase_map[name.toLowerCase()] || name;
return properties[name];
};
//
// Draws the progress bar
//
this.draw = function ()
{
//
// Fire the onbeforedraw event
//
RGraph.fireCustomEvent(this, 'onbeforedraw');
// Translate half a pixel for antialiasing purposes - but only if it hasn't been
// done already
//
// MUST be the first thing done!
//
if (!this.canvas.__rgraph_aa_translated__) {
this.context.translate(0.5,0.5);
this.canvas.__rgraph_aa_translated__ = true;
}
//
// 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;
//
// Make the margins easy ro access
//
this.marginLeft = properties.marginLeft;
this.marginRight = properties.marginRight;
this.marginTop = properties.marginTop;
this.marginBottom = properties.marginBottom;
// Figure out the width and height
this.width = this.canvas.width - this.marginLeft - this.marginRight;
this.height = this.canvas.height - this.marginTop - this.marginBottom;
this.coords = [];
this.coordsText = [];
//
// Install clipping
//
// MUST be the first thing that's done after the
// beforedraw event
//
if (!RGraph.isNullish(this.properties.clip)) {
RGraph.clipTo.start(this, this.properties.clip);
}
this.drawbar();
this.drawTickMarks();
this.drawLabels();
this.drawTitle();
//
// Setup the context menu if required
//
if (properties.contextmenu) {
RGraph.showContext(this);
}
// Draw the key if necessary
if (properties.key && properties.key.length) {
RGraph.drawKey(
this,
properties.key,
properties.colors
);
}
//
// Reset the strokestyle to black
//
this.context.strokeStyle = 'black';
//
// Add custom text thats specified
//
RGraph.addCustomText(this);
//
// This installs the event listeners
//
RGraph.installEventListeners(this);
//
// End clipping
//
if (!RGraph.isNullish(this.properties.clip)) {
RGraph.clipTo.end();
}
//
// Fire the onfirstdraw event
//
if (this.firstDraw) {
this.firstDraw = false;
RGraph.fireCustomEvent(this, 'onfirstdraw');
this.firstDrawFunc();
}
//
// Fire the RGraph draw event
//
RGraph.fireCustomEvent(this, 'ondraw');
//
// Install any inline responsive configuration. This
// should be last in the draw function - even after
// the draw events.
//
RGraph.installInlineResponsive(this);
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 = function ()
{
//
// First get the scale
//
this.scale2 = RGraph.getScale({object: this, options: {
'scale.max': this.max,
'scale.min': this.min,
'scale.strict': true,
'scale.thousand': properties.scaleThousand,
'scale.point': properties.scalePoint,
'scale.decimals': properties.scaleDecimals,
'scale.labels.count': properties.labelsCount,
'scale.round': properties.scaleRound,
'scale.units.pre': properties.scaleUnitsPre,
'scale.units.post': properties.scaleUnitsPost
}});
// Set a shadow if requested
if (properties.shadow) {
RGraph.setShadow({
object: this,
prefix: 'shadow'
});
}
//
// Draw the background
//
this.context.fillStyle = properties.backgroundColor;
this.context.strokeStyle = properties.colorsStrokeOuter;
if (properties.corners === 'round') {
this.context.beginPath();
this.path(
'b rr % % % % % s % f %',
this.marginLeft,
this.marginTop,
this.width,
this.height,
properties.cornersRoundRadius,
properties.colorsStrokeOuter,
properties.backgroundColor
);
} else {
this.context.fillStyle = properties.backgroundColor;
this.context.strokeStyle = properties.colorsStrokeOuter;
this.context.strokeRect(this.marginLeft, this.marginTop, this.width, this.height);
this.context.fillRect(this.marginLeft, this.marginTop, this.width, this.height);
}
//
// Turn off any shadow
//
RGraph.noShadow(this);
this.context.fillStyle = properties.colors[0];
this.context.strokeStyle = properties.colorsStrokeOuter;
var margin = properties.marginInner;
// Draw the actual bar itself
var barWidth = Math.min(this.width, ((RGraph.arraySum(this.value) - this.min) / (this.max - this.min) ) * this.width);
if (properties.tickmarksInnerCount > 0) {
var spacing = (this.canvas.width - this.marginLeft - this.marginRight) / properties.tickmarksInnerCount;
this.context.lineWidth = 1;
this.context.strokeStyle = properties.colorsStrokeOuter;
this.context.beginPath();
for (var x = this.marginLeft; x<this.canvas.width - this.marginRight; x+=spacing) {
this.context.moveTo(Math.round(x), this.marginTop);
this.context.lineTo(Math.round(x), this.marginTop + 2);
this.context.moveTo(Math.round(x), this.canvas.height - this.marginBottom);
this.context.lineTo(Math.round(x), this.canvas.height - this.marginBottom - 2);
}
this.context.stroke();
}
//
// This bit draws the actual progress bar
//
if (typeof this.value === 'number') {
if (properties.borderInner) {
this.path(
'b rr % % % % % s %',
this.marginLeft,
this.marginTop + margin,
barWidth,
this.height - margin - margin,
properties.cornersRoundRadius,
properties.colorsStrokeInner
);
}
this.path(
'b rr % % % % % f %',
this.marginLeft,
this.marginTop + margin,
barWidth,
this.height - margin - margin,
properties.corners === 'round' ? properties.cornersRoundRadius : 0,
properties.colors[0]
);
// Store the coords
this.coords.push([
this.marginLeft,
this.marginTop + margin,
barWidth,
this.height - margin - margin
]);
} else if (typeof this.value === 'object') {
this.context.beginPath();
var startPoint = this.marginLeft;
for (var i=0,len=this.value.length; i<len; ++i) {
var segmentLength = (this.value[i] / RGraph.arraySum(this.value)) * barWidth;
if (properties.borderInner) {
this.path(
'b rr % % % % % s %',
startPoint,
this.marginTop + margin,
segmentLength,
this.height - margin - margin,
properties.corners === 'round' ? properties.cornersRoundRadius : 0,
properties.colorsStrokeInner
);
}
// DON'T use the RGraph.path() function for this
this.context.beginPath();
this.drawbarStackedSection(
startPoint,
this.marginTop + margin,
segmentLength,
this.height - margin - margin,
i,
i === (len - 1)
);
this.context.fillStyle = properties.colors[i];
this.context.fill();
// Store the coords
this.coords.push([
startPoint,
this.marginTop + margin,
segmentLength,
this.height - margin - margin
]);
startPoint += segmentLength;
}
}
//
// Draw the arrows indicating the level if requested
//
if (properties.arrows) {
var x = this.marginLeft + barWidth;
var y = this.marginTop;
this.context.lineWidth = 1;
this.context.fillStyle = 'black';
this.context.strokeStyle = 'black';
this.context.beginPath();
this.context.moveTo(x, y - 3);
this.context.lineTo(x + 2, y - 7);
this.context.lineTo(x - 2, y - 7);
this.context.closePath();
this.context.stroke();
this.context.fill();
this.context.beginPath();
this.context.moveTo(x, y + this.height + 4);
this.context.lineTo(x + 2, y + this.height + 9);
this.context.lineTo(x - 2, y + this.height + 9);
this.context.closePath();
this.context.stroke();
this.context.fill()
}
//
// Draw the inner label
//
if (properties.labelsInner) {
// Format the number
if (typeof properties.labelsInnerSpecific === 'string') {
var text = String(properties.labelsInnerSpecific);
} else {
var value = typeof this.value === 'number' ? this.value : RGraph.arraySum(this.value);
var value = value.toFixed(typeof properties.labelsInnerDecimals === 'number' ? properties.labelsInnerDecimals : properties.scaleDecimals);
var text = RGraph.numberFormat({
object: this,
number: value,
unitspre: typeof properties.labelsInnerUnitsPre === 'string' ? properties.labelsInnerUnitsPre : properties.scaleUnitsPre,
unitspost: typeof properties.labelsInnerUnitsPost === 'string' ? properties.labelsInnerUnitsPost : properties.scaleUnitsPost,
point: typeof properties.labelsInnerPoint === 'string' ? properties.labelsInnerPoint : properties.scalePoint,
thousand: typeof properties.labelsInnerThousand === 'string' ? properties.labelsInnerThousand : properties.scaleThousand
});
}
var textConf = RGraph.getTextConf({
object: this,
prefix: 'labelsInner'
});
RGraph.text({
object: this,
font: textConf.font,
size: textConf.size,
color: textConf.color,
bold: textConf.bold,
italic: textConf.italic,
x: this.marginLeft + barWidth + 5 + properties.labelsInnerOffsetx,
y: this.marginTop + (this.height / 2) + properties.labelsInnerOffsety,
text: text,
valign: 'center',
halign: 'left',
bounding: typeof properties.labelsInnerBackgroundFill === 'string' ? true : false,
boundingFill: properties.labelsInnerBackgroundFill,
boundingStroke: properties.labelsInnerBorder ? properties.labelsInnerBorderColor : 'rgba(0,0,0,0)',
boundingLinewidth: properties.labelsInnerBorderLinewidth,
tag: 'label.inner'
});
}
// This is here to stop colors being changed by later fills
this.path('b');
};
//
// Draws the bar (or part of the bar in a stacked chart)
// accounting for rounded corners. This function deos not
// do a beginPath and nor does it stroke or fill the bar
// or set colors.
//
// @param x number The X coord
// @param y number The Y coord
// @param width number The width of the bar
// @param height number The height of the bar
// @param index number The index numbr of the bar (0-whatever)
//
this.drawbarStackedSection = function (x, y, width, height, index)
{
this.context.roundRect(
x,
y,
width,
height,
properties.corners === 'round' ? [
(index === 0) ? this.properties.cornersRoundRadius : 0,
(index === (this.value.length - 1) || typeof this.value === 'number') ? this.properties.cornersRoundRadius : 0,
(index === (this.value.length - 1) || typeof this.value === 'number') ? this.properties.cornersRoundRadius : 0,
(index === 0) ? this.properties.cornersRoundRadius : 0
] : 0
);
};
//
// The function that draws the tick marks. Apt name...
//
this.drawTickMarks = function ()
{
this.context.strokeStyle = properties.tickmarksColor;
if (properties.tickmarksOuterCount > 0) {
this.context.beginPath();
// This is used by the label function below
this.tickInterval = this.width / properties.tickmarksOuterCount;
var start = 0;
if (properties.labelsPosition === 'top') {
for (var i=this.marginLeft + start; i<=(this.width + this.marginLeft + 0.1); i+=this.tickInterval) {
this.context.moveTo(Math.round(i), this.marginTop);
this.context.lineTo(Math.round(i), this.marginTop - 4);
}
} else {
for (var i=this.marginLeft + start; i<=(this.width + this.marginLeft + 0.1); i+=this.tickInterval) {
this.context.moveTo(Math.round(i), this.marginTop + this.height);
this.context.lineTo(Math.round(i), this.marginTop + this.height + 4);
}
}
this.context.stroke();
}
};
//
// The function that draws the labels
//
this.drawLabels = function ()
{
if (!RGraph.isNullish(properties.labelsSpecific)) {
return this.drawSpecificLabels();
}
if (properties.labelsCount === 0) {
return;
}
this.context.fillStyle = properties.textColor;
var xPoints = [],
yPoints = [],
bold = properties.textBold,
italic = properties.textItalic,
color = properties.textColor,
font = properties.textFont,
size = properties.textSize,
offsetx = properties.labelsOffsetx,
offsety = properties.labelsOffsety;
for (i=0,len=this.scale2.labels.length; i<len; i++) {
if (properties.labelsPosition == 'top') {
var x = this.width * (i/this.scale2.labels.length) + this.marginLeft + (this.width / this.scale2.labels.length);
var y = this.marginTop - 6;
var valign = 'bottom';
} else {
var x = this.width * (i/this.scale2.labels.length) + this.marginLeft + (this.width / this.scale2.labels.length);
var y = this.height + this.marginTop + 4;
var valign = 'top';
}
var textConf = RGraph.getTextConf({
object: this,
prefix: 'labels'
});
RGraph.text({
object: this,
font: textConf.font,
size: textConf.size,
color: textConf.color,
bold: textConf.bold,
italic: textConf.italic,
x: x + offsetx,
y: y + offsety,
text: this.scale2.labels[i],
valign: valign,
halign: 'center',
tag: 'scale'
});
}
var text = RGraph.numberFormat({
object: this,
number: Number(this.min).toFixed(properties.scaleDecimals),
unitspre: properties.scaleUnitsPre,
unitspost: properties.scaleUnitsPost
});
if (properties.labelsPosition == 'top') {
RGraph.text({
object: this,
font: textConf.font,
size: textConf.size,
color: textConf.color,
bold: textConf.bold,
italic: textConf.italic,
x: this.marginLeft + offsetx,
y: this.marginTop - 6 + offsety,
text: text,
valign: 'bottom',
halign: 'center',
tag: 'scale'
});
} else {
RGraph.text({
object: this,
font: textConf.font,
size: textConf.size,
color: textConf.color,
bold: textConf.bold,
italic: textConf.italic,
x: this.marginLeft + offsetx,
y: this.canvas.height - this.marginBottom + 5 + offsety,
text: text,
valign: 'top',
halign: 'center',
tag: 'scale'
});
}
};
//
// Returns the focused bar
//
// @param event e The event object
//
this.getShape = function (e)
{
var mouseXY = RGraph.getMouseXY(e),
mouseX = mouseXY[0],
mouseY = mouseXY[1];
for (var i=0,len=this.coords.length; i<len; i++) {
if (RGraph.tooltipsHotspotIgnore(this, i)) {
continue;
}
var x = this.coords[i][0],
y = this.coords[i][1],
w = this.coords[i][2],
h = this.coords[i][3],
idx = i;
this.context.beginPath();
if (properties.corners === 'round') {
this.path(
'r % % % %',
x,y,w,h
);
} else {
this.path(
'r % % % %',
x,y,w,h
);
}
if (
this.context.isPointInPath(mouseX, mouseY)
&& (this.properties.clip ? RGraph.clipTo.test(this, mouseX, mouseY) : true)
) {
if (RGraph.parseTooltipText) {
var tooltip = RGraph.parseTooltipText(properties.tooltips, idx);
}
return {
object: this,
x: x,
y: y,
width: w,
height: h,
dataset: 0,
index: idx,
sequentialIndex: idx,
tooltip: typeof tooltip === 'string' ? tooltip : null
}
}
}
};
//
// 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 = RGraph.getMouseXY(e);
var value = (mouseXY[0] - this.marginLeft) / this.width;
value *= this.max - this.min;
value += this.min;
if (mouseXY[0] < this.marginLeft) {
value = this.min;
}
if (mouseXY[0] > (this.canvas.width - this.marginRight) ) {
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 = function (shape)
{
var isLast = shape.index === this.coords.length - 1;
if (!properties.tooltipsHighlight) {
return;
}
// Call a function to highlight the chart
if (typeof properties.highlightStyle === 'function') {
(properties.highlightStyle)(shape);
// Highlight all of the rects except the selected one - essentially an inverted highlight
} else if (typeof properties.highlightStyle === 'string' && properties.highlightStyle === 'invert') {
for (var i=0; i<this.coords.length; ++i) {
if (i !== shape.sequentialIndex) {
if (this.properties.corners === 'round') {
this.context.beginPath();
this.context.lineWidth = properties.highlightLinewidth;
this.drawbarStackedSection(
this.coords[i][0],
this.coords[i][1],
this.coords[i][2],
this.coords[i][3],
i
);
this.context.strokeStyle = properties.highlightStroke;
this.context.fillStyle = properties.highlightFill;
this.context.stroke();
this.context.fill();
} else {
this.path(
'b lw % r % % % % s % f %',
properties.highlightLinewidth,
this.coords[i][0] - 0.5,
this.coords[i][1] - 0.5,
this.coords[i][2] + 1,
this.coords[i][3] + 1,
properties.highlightStroke,
properties.highlightFill
);
}
}
}
} else {
if (properties.corners === 'round') {
this.context.beginPath();
this.context.lineWidth = properties.highlightLinewidth;
this.drawbarStackedSection(
shape.x,
shape.y,
shape.width,
shape.height,
shape.index
);
this.context.strokeStyle = properties.highlightStroke;
this.context.fillStyle = properties.highlightFill;
this.context.stroke();
this.context.fill();
} else {
this.path(
'b lw % r % % % % s % f %',
properties.highlightLinewidth,
shape.x,
shape.y,
shape.width,
shape.height,
properties.highlightStroke,
properties.highlightFill
);
}
// Reset the linewidth
this.path('lw %', 1);
}
};
//
// 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 = RGraph.getMouseXY(e);
if (
mouseXY[0] > this.marginLeft
&& mouseXY[0] < (this.canvas.width - this.marginRight)
&& mouseXY[1] > this.marginTop
&& mouseXY[1] < (this.canvas.height - this.marginBottom)
) {
return this;
}
};
//
// This method handles the adjusting calculation for when the mouse is moved
//
// @param object e The event object
//
this.adjusting_mousemove = function (e)
{
//
// Handle adjusting for the HProgress
//
if (properties.adjustable && RGraph.Registry.get('adjusting') && RGraph.Registry.get('adjusting').uid == this.uid) {
var mouseXY = RGraph.getMouseXY(e);
var value = this.getValue(e);
if (typeof value === 'number') {
this.value = Number(value.toFixed(properties.scaleDecimals));
RGraph.redrawCanvas(this.canvas);
// Fire the onadjust event
RGraph.fireCustomEvent(this, 'onadjust');
}
}
};
//
// Draws labelsSpecific
//
this.drawSpecificLabels = function ()
{
//
// If the xaxisLabels option is a string then turn it
// into an array.
//
if (properties.labelsSpecific && properties.labelsSpecific.length) {
if (typeof properties.labelsSpecific === 'string') {
properties.labelsSpecific = RGraph.arrayPad({
array: [],
length: properties.labelsCount,
value: properties.labelsSpecific
});
}
// Label substitution
//
for (var i=0; i<properties.labelsSpecific; ++i) {
properties.labelsSpecific[i] = RGraph.labelSubstitution({
object: this,
text: properties.labelsSpecific[i],
index: i,
value: typeof this.value === 'object' && typeof this.value[i] === 'number' ? this.value[i] : this.value,
decimals: properties.labelsSpecificFormattedDecimals || 0,
unitsPre: properties.labelsSpecificFormattedUnitsPre || '',
unitsPost: properties.labelsSpecificFormattedUnitsPost || '',
thousand: properties.labelsSpecificFormattedThousand || ',',
point: properties.labelsSpecificFormattedPoint || '.'
});
}
}
var labels = properties.labelsSpecific;
if (labels) {
var valign = (properties.labelsPosition == 'top' ? 'bottom' : 'top'),
step = this.width / (labels.length - 1),
offsetx = properties.labelsOffsetx,
offsety = properties.labelsOffsety
var textConf = RGraph.getTextConf({
object: this,
prefix: 'labels'
});
this.context.beginPath();
this.context.fillStyle = properties.textColor;
for (var i=0; i<labels.length; ++i) {
RGraph.text({
object: this,
font: textConf.font,
size: textConf.size,
color: textConf.color,
bold: textConf.bold,
italic: textConf.italic,
x: this.marginLeft + (step * i) + offsetx,
y: properties.labelsPosition == 'top'
? this.marginTop - 7 + offsety
: this.canvas.height - this.marginBottom + 7 + offsety,
text: labels[i],
valign: valign,
halign: 'center',
tag: 'labels.specific',
cssClass: properties.labelsSpecific
? RGraph.getLabelsCSSClassName({
object: this,
name: 'labelsClass',
index: i
})
: ''
});
}
this.context.fill();
}
};
//
// 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 = this.canvas.width - this.marginLeft - this.marginRight;
var coord = ((value - min) / (this.max - min)) * barWidth;
coord = this.marginLeft + 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.marginLeft
&& mouseX <= (this.canvas.width - this.marginRight)
&& mouseY >= this.marginTop
&& mouseY <= (this.canvas.height - this.marginBottom)
) {
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.backgroundColor = RGraph.arrayClone(properties.backgroundColor, {structuredClone: false});
this.original_colors.colors = RGraph.arrayClone(properties.colors, {structuredClone: false});
this.original_colors.tickmarksColor = RGraph.arrayClone(properties.tickmarksColor, {structuredClone: false});
this.original_colors.colorsStrokeInner = RGraph.arrayClone(properties.colorsStrokeInner, {structuredClone: false});
this.original_colors.colorsStrokeOuter = RGraph.arrayClone(properties.colorsStrokeOuter, {structuredClone: false});
this.original_colors.highlightFill = RGraph.arrayClone(properties.highlightFill, {structuredClone: false});
this.original_colors.highlightStroke = RGraph.arrayClone(properties.highlightStroke, {structuredClone: false});
this.original_colors.highlightColor = RGraph.arrayClone(properties.highlightColor, {structuredClone: false});
}
var colors = properties.colors;
for (var i=0; i<colors.length; ++i) {
colors[i] = this.parseSingleColorForGradient(colors[i]);
}
properties.tickmarksColor = this.parseSingleColorForGradient(properties.tickmarksColor);
properties.colorsStrokeInner = this.parseSingleColorForGradient(properties.colorsStrokeInner);
properties.colorsStrokeOuter = this.parseSingleColorForGradient(properties.colorsStrokeOuter);
properties.highlightFill = this.parseSingleColorForGradient(properties.highlightFill);
properties.highlightStroke = this.parseSingleColorForGradient(properties.highlightStroke);
properties.backgroundColor = this.parseSingleColorForGradient(properties.backgroundColor);
};
//
// 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)) {
// Allow for JSON gradients
if (color.match(/^gradient\(({.*})\)$/i)) {
return RGraph.parseJSONGradient({object: this, def: RegExp.$1});
}
var parts = RegExp.$1.split(':');
// Create the gradient
var grad = this.context.createLinearGradient(
properties.marginLeft,
0,
this.canvas.width - properties.marginRight,
0
);
var diff = 1 / (parts.length - 1);
grad.addColorStop(0, RGraph.trim(parts[0]));
for (var j=1; j<parts.length; ++j) {
grad.addColorStop(j * diff, RGraph.trim(parts[j]));
}
}
return grad ? grad : color;
};
//
// Draw the titles
//
this.drawTitle = function ()
{
RGraph.drawTitle(this);
};
//
// 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)
{
this.path(
'b lw %',
typeof properties.keyInteractiveHighlightChartLinewidth === 'number' ? properties.keyInteractiveHighlightChartLinewidth : 2
);
if (properties.corners === 'round') {
this.context.roundRect(
this.coords[index][0],
this.coords[index][1],
this.coords[index][2],
this.coords[index][3],
[ // Corners
index === 0 ? properties.cornersRoundRadius : 0,
index === (this.coords.length - 1) ? properties.cornersRoundRadius : 0,
index === (this.coords.length - 1) ? properties.cornersRoundRadius : 0,
index === 0? properties.cornersRoundRadius : 0,
]
);
this.path(
'f % s % lw 1',
properties.keyInteractiveHighlightChartFill,
properties.keyInteractiveHighlightChartStroke
);
} else {
this.path(
'b r % % % % f % s % lw 1',
this.coords[index][0],
this.coords[index][1],
this.coords[index][2],
this.coords[index][3],
properties.keyInteractiveHighlightChartFill,
properties.keyInteractiveHighlightChartStroke
);
}
};
//
// 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 {
RGraph.addCustomEventListener(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 the same as the
// VPogress Grow effect)
//
// @param object obj The chart object
//
this.grow = function ()
{
// Cancel any stop request if one is pending
this.cancelStopAnimation();
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.isNullish(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 ()
{
if (obj.stopAnimationRequested) {
// Reset the flag
obj.stopAnimationRequested = false;
return;
}
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;
};
//
// Couple of functions that allow you to control the
// animation effect
//
this.stopAnimation = function ()
{
this.stopAnimationRequested = true;
};
this.cancelStopAnimation = function ()
{
this.stopAnimationRequested = false;
};
//
// A worker function that handles Bar chart specific tooltip substitutions
//
this.tooltipSubstitutions = function (opt)
{
var values = typeof this.value === 'number' ? [this.value] : this.value;
//
// Return the values to the user
//
return {
index: opt.index,
dataset: 0,
sequentialIndex: opt.index,
value: typeof this.value === 'number' ? this.value : this.value[opt.index],
values: typeof this.value === 'number' ? [this.value] : [this.value[opt.index]]
};
};
//
// A worker function that returns the correct color/label/value
//
// @param object specific The indexes that are applicable
// @param number index The appropriate index
//
this.tooltipsFormattedCustom = function (specific, index)
{
var color = properties.colors[specific.index];
var label = RGraph.isString(properties.tooltipsFormattedKeyLabels[specific.index]) ? properties.tooltipsFormattedKeyLabels[specific.index] : '';
if (properties.tooltipsFormattedKeyColors && properties.tooltipsFormattedKeyColors[specific.index]) {
color = properties.tooltipsFormattedKeyColors[specific.index];
}
return {
label: label,
color: color
};
};
//
// This allows for static tooltip positioning
//
this.positionTooltipStatic = function (args)
{
var obj = args.object,
e = args.event,
tooltip = args.tooltip,
index = args.index,
canvasXY = RGraph.getCanvasXY(obj.canvas)
coords = this.coords[args.index];
// Position the tooltip in the X direction
args.tooltip.style.left = (
canvasXY[0] // The X coordinate of the canvas
+ coords[0] // The X coordinate of the bar on the chart
- (tooltip.offsetWidth / 2) // Subtract half of the tooltip width
+ (coords[2] / 2) // Add half of the bar width
+ obj.properties.tooltipsOffsetx // Add any user defined offset
) + 'px';
args.tooltip.style.top = (
canvasXY[1] // The Y coordinate of the canvas
+ coords[1] // The Y coordinate of the bar on the chart
- tooltip.offsetHeight // The height of the tooltip
- 10 // An arbitrary amount
+ obj.properties.tooltipsOffsety // Add any user defined offset
) + 'px';
// If the top of the tooltip is off the top of the page
// then move the tooltip down
if(parseFloat(args.tooltip.style.top) < 0) {
args.tooltip.style.top = parseFloat(args.tooltip.style.top) + 20 + 'px';
}
};
//
// This returns the relevant value for the formatted key
// macro %{value}. THIS VALUE SHOULD NOT BE FORMATTED.
//
// @param number index The index in the dataset to get
// the value for
//
this.getKeyValue = function (index)
{
return RGraph.isArray(this.properties.keyFormattedValueSpecific) && RGraph.isNumber(this.properties.keyFormattedValueSpecific[index])
? this.properties.keyFormattedValueSpecific[index]
: (RGraph.isArray(this.value) ? this.value[index] : this.value);
};
//
// Returns how many data-points there should be when a string
// based key property has been specified. For example, this:
//
// key: '%{property:_labels[%{index}]} %{value_formatted}'
//
// ...depending on how many bits of data ther is might get
// turned into this:
//
// key: [
// '%{property:_labels[%{index}]} %{value_formatted}',
// '%{property:_labels[%{index}]} %{value_formatted}',
// '%{property:_labels[%{index}]} %{value_formatted}',
// '%{property:_labels[%{index}]} %{value_formatted}',
// '%{property:_labels[%{index}]} %{value_formatted}',
// ]
//
// ... ie in that case there would be 4 data-points so the
// template is repeated 4 times.
//
this.getKeyNumDatapoints = function ()
{
return this.value.length;
};
//
// This function handles clipping to scale values. Because
// each chart handles scales differently, a worker function
// is needed instead of it all being done centrally in the
// RGraph.clipTo.start() function.
//
// @param string clip The clip string as supplied by the
// user in the chart configuration
//
this.clipToScaleWorker = function (clip)
{
// The Regular expression is actually done by the
// calling RGraph.clipTo.start() function in the core
// library
if (RegExp.$1 === 'min') from = this.min; else from = Number(RegExp.$1);
if (RegExp.$2 === 'max') to = this.max; else to = Number(RegExp.$2);
var x1 = this.getXCoord(from),
x2 = this.getXCoord(to);
// Change the angle if the number is "min"
if (RegExp.$1 === 'min') {
x1 = 0;
}
// Change the angle if the number is "max"
if (RegExp.$2 === 'max') {
x2 = this.canvas.width;
}
this.path(
'sa b r % % % % cl',
x1,0,Math.max(x1,x2) - Math.min(x1,x2), this.canvas.height
);
};
//
// This function handles TESTING clipping to scale values.
// Because each chart handles scales differently, a worker
// function is needed instead of it all being done
// centrally in the RGraph.clipTo.start() function.
//
// @param string clip The clip string as supplied by the
// user in the chart configuration
//
this.clipToScaleTestWorker = function (clip)
{
// The Regular expression is actually done by the
// calling RGraph.clipTo.start() function in the core
// library
if (RegExp.$1 === 'min') from = this.min; else from = Number(RegExp.$1);
if (RegExp.$2 === 'max') to = this.max; else to = Number(RegExp.$2);
var x1 = this.getXCoord(from),
x2 = this.getXCoord(to);
// Change the angle if the number is "min"
if (RegExp.$1 === 'min') {
x1 = 0;
}
// Change the angle if the number is "max"
if (RegExp.$2 === 'max') {
x2 = this.canvas.width;
}
this.path(
'b r % % % %',
x1,0,Math.max(x1,x2) - Math.min(x1,x2), this.canvas.height
);
};
//
// Register the object for redrawing
//
RGraph.register(this);
//
// This is the 'end' of the constructor so if the first argument
// contains configuration data - handle that.
//
RGraph.parseObjectStyleConfig(this, conf.options);
};