RGraph = window.RGraph || {isRGraph:
true
};
RGraph.VProgress =
function
(conf)
{
if
(
typeof
conf === 'object
'
&& 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 = RGraph.stringsToNumbers(conf.min);
this.max = RGraph.stringsToNumbers(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
': '
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.bold
': true,
'
chart.title.font
': null,
'
chart.title.size
': null,
'
chart.title.color
': '
black
',
'
chart.title.side
': null,
'
chart.title.side.font
': '
Segoe UI, Arial, Verdana, sans-serif
',
'
chart.title.side.size
': 12,
'
chart.title.side.color
': '
black
',
'
chart.title.side.bold
': true,
'
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.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.labels.offsetx
': 0,
'
chart.labels.offsety
': 0,
'
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,
'
chart.clearto
': '
rgba(0,0,0,0)
'
}
// 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
;
}
var
RG = RGraph,
ca =
this
.canvas,
co = ca.getContext(
'2d'
),
prop =
this
.properties,
pa2 = RG.path2,
win = window,
doc = document,
ma = Math
if
(RG.Effects &&
typeof
RG.Effects.decorate ===
'function'
) {
RG.Effects.decorate(
this
);
}
this
.set =
this
.Set =
function
(name)
{
var
value =
typeof
arguments[1] ===
'undefined'
?
null
: arguments[1];
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;
}
// Convert uppercase letters to dot+lower case letter
while(name.match(/([A-Z])/)) {
name = name.replace(/([A-Z])/, '
.
' + RegExp.$1.toLowerCase());
}
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;
}
// 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
;
}
this
.currentValue =
this
.value;
this
.gutterLeft = prop[
'chart.gutter.left'
];
this
.gutterRight = prop[
'chart.gutter.right'
];
this
.gutterTop = prop[
'chart.gutter.top'
];
this
.gutterBottom = prop[
'chart.gutter.bottom'
];
this
.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
.DrawTitles();
if
(prop[
'chart.bevel'
]) {
this
.DrawBevel();
}
if
(prop[
'chart.contextmenu'
]) {
RG.ShowContext(
this
);
}
RG.InstallEventListeners(
this
);
if
(prop[
'chart.key'
] && prop[
'chart.key'
].length) {
RG.DrawKey(
this
, prop[
'chart.key'
], prop[
'chart.colors'
]);
}
if
(prop[
'chart.resizable'
]) {
RG.AllowResizing(
this
);
}
this
.AllowAdjusting();
if
(
this
.firstDraw) {
this
.firstDraw =
false
;
RG.fireCustomEvent(
this
,
'onfirstdraw'
);
this
.firstDrawFunc();
}
RG.FireCustomEvent(
this
,
'ondraw'
);
return
this
;
};
this
.drawbar =
this
.Drawbar =
function
()
{
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'
]
});
if
(prop[
'chart.shadow'
]) {
RG.setShadow(
this
, prop[
'chart.shadow.color'
], prop[
'chart.shadow.offsetx'
], prop[
'chart.shadow.offsety'
], prop[
'chart.shadow.blur'
]);
}
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
);
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.arraySum(
this
.value) -
this
.min) / (
this
.max -
this
.min));
if
(
typeof
this
.value ===
'number'
) {
co.lineWidth = 1;
co.strokeStyle = prop[
'chart.strokestyle.inner'
];
if
(prop[
'chart.border.inner'
]) {
this
.drawCurvedBar({
x:
this
.gutterLeft + margin,
y:
this
.gutterTop + (
this
.height - barHeight),
width:
this
.width - margin - margin,
height: barHeight,
stroke: prop[
'chart.strokestyle.inner'
]
});
}
this
.drawCurvedBar({
x:
this
.gutterLeft + margin,
y:
this
.gutterTop + (
this
.height - barHeight),
width:
this
.width - margin - margin,
height: barHeight,
fill: prop[
'chart.colors'
][0]
});
}
else
if
(
typeof
this
.value ==
'object'
) {
co.beginPath();
co.strokeStyle = prop[
'chart.strokestyle.inner'
];
var
startPoint = ca.height -
this
.gutterBottom;
for
(
var
i=0,len=
this
.value.length; i<len; ++i) {
var
segmentHeight = ( (
this
.value[i] -
this
.min) / (
this
.max -
this
.min) ) * (ca.height -
this
.gutterBottom -
this
.gutterTop);
co.fillStyle = prop[
'chart.colors'
][i];
co.beginPath();
if
(prop[
'chart.border.inner'
]) {
this
.drawCurvedBar({
x:
this
.gutterLeft + margin,
y: startPoint - segmentHeight,
width:
this
.width - margin - margin,
height: segmentHeight,
stroke: co.strokeStyle
});
}
this
.drawCurvedBar({
x:
this
.gutterLeft + margin,
y: startPoint - segmentHeight,
width:
this
.width - margin - margin,
height: segmentHeight,
fill: co.fillStyle
});
this
.coords.push([
this
.gutterLeft + margin,
startPoint - segmentHeight,
this
.width - margin - margin,
segmentHeight
]);
startPoint -= segmentHeight;
}
co.fill();
}
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'
]) {
this
.drawCurvedBar({
x:
this
.gutterLeft + margin,
y:
this
.gutterTop +
this
.height - barHeight,
width:
this
.width - margin - margin,
height: barHeight
});
}
this
.drawCurvedBar({
x:
this
.gutterLeft + margin,
y:
this
.gutterTop +
this
.height - barHeight,
width:
this
.width - margin - margin,
height: barHeight
});
this
.coords.push([
this
.gutterLeft + margin,
this
.gutterTop +
this
.height - barHeight,
this
.width - margin - margin,
barHeight
]);
}
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();
pa2(co,
'b'
);
}
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'
});
}
};
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, ma.round(yPos));
co.lineTo(endX, ma.round(yPos));
}
co.stroke();
}
};
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'
].toLowerCase();
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'
];
var
offsetx = prop[
'chart.labels.offsetx'
];
var
offsety = prop[
'chart.labels.offsety'
];
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 + offsetx) : (ca.width -
this
.gutterRight + 7) + offsetx,
y:(((ca.height -
this
.gutterTop -
this
.gutterBottom) / count) * i) +
this
.gutterTop + offsety,
text:
this
.scale2.labels[
this
.scale2.labels.length - (i+1)],
valign:yAlignment,
halign:xAlignment,
tag:
'scale'
});
}
if
(prop[
'chart.tickmarks.zerostart'
] &&
this
.min == 0) {
RG.text2(
this
, {
font: text_font,
size: text_size,
x: position ==
'left'
? (
this
.gutterLeft - 5 + offsetx) : (ca.width -
this
.gutterRight + 5 + offsetx),
y: ca.height -
this
.gutterBottom + offsety,
'text'
: RG.numberFormat(
this
,
this
.min.toFixed(
this
.min === 0 ? 0 : decimals), units_pre, units_post),
valign: yAlignment,
halign: xAlignment,
tag:
'scale'
});
}
if
(
this
.min != 0) {
RG.text2(
this
, {
font: text_font,
size: text_size,
x: position ==
'left'
? (
this
.gutterLeft - 5 + offsetx) : (ca.width -
this
.gutterRight + 5 + offsetx),
y: ca.height -
this
.gutterBottom + offsety,
text: RG.number_format(
this
,
this
.min.toFixed(decimals), units_pre, units_post),
valign: yAlignment,
halign: xAlignment,
tag:
'scale'
});
}
}
};
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;
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'
});
}
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'
});
}
};
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,
width: w,
height: h
});
if
(co.isPointInPath(mouseX, mouseY)) {
var
tooltip = RG.parseTooltipText(prop[
'chart.tooltips'
], i);
return
{
0:
this
,
'object'
:
this
,
1: x,
'x'
: x,
2: y,
'y'
: y,
3: w,
'width'
: w,
4: h,
'height'
: h,
5: i,
'index'
: i,
'tooltip'
: tooltip
};
}
}
};
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;
if
(value >
this
.max) value =
this
.max;
if
(value <
this
.min) value =
this
.min;
return
value;
};
this
.highlight =
this
.Highlight =
function
(shape)
{
if
(
typeof
prop[
'chart.highlight.style'
] ===
'function'
) {
(prop[
'chart.highlight.style'
])(shape);
}
else
{
var
last = shape.index ===
this
.coords.length - 1;
this
.drawCurvedBar({
x: shape.x,
y: shape.y,
width: shape.width,
height: shape.height,
stroke: prop[
'chart.highlight.stroke'
],
fill: prop[
'chart.highlight.fill'
]
});
}
};
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
.allowAdjusting =
this
.AllowAdjusting =
function
() {
return
;};
this
.adjusting_mousemove =
this
.Adjusting_mousemove =
function
(e)
{
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 mouseXY = RG.getMouseXY(window.event);
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 = 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 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,height=0; i<this.coords.length; ++i) {
height += this.coords[i][3];
}
co.save();
co.beginPath();
co.rect(
this.coords[0][0],
this.coords[this.coords.length - 1][1] - 1,
this.coords[0][2],
height
);
co.clip();
co.save();
// Draw a path to clip to
co.beginPath();
this.drawCurvedBar({
x: this.coords[0][0],
y: this.coords[this.coords.length - 1][1] - 1,
width: this.coords[0][2],
height: height
});
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] - 1,
y: this.coords[this.coords.length - 1][1] - 1,
width: this.coords[0][2] + 2,
height: height + 2 + 100
});
co.stroke();
co.restore();
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;
}
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
.firstDrawFunc =
function
()
{
};
this
.exec =
function
(func)
{
func(
this
);
return
this
;
};
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
;
};
RG.att(ca);
RG.Register(
this
);
if
(parseConfObjectForOptions) {
RG.parseObjectStyleConfig(
this
, conf.options);
}
};