You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
244 lines
7.6 KiB
244 lines
7.6 KiB
/*
|
|
YUI 3.17.2 (build 9c3c78e)
|
|
Copyright 2014 Yahoo! Inc. All rights reserved.
|
|
Licensed under the BSD License.
|
|
http://yuilibrary.com/license/
|
|
*/
|
|
|
|
YUI.add('series-ohlc', function (Y, NAME) {
|
|
|
|
/**
|
|
* Provides functionality for creating a ohlc series.
|
|
*
|
|
* @module charts
|
|
* @submodule series-ohlc
|
|
*/
|
|
/**
|
|
* The OHLCSeries class renders lines representing the open, high, low and close
|
|
* values for a chart.
|
|
*
|
|
* @class OHLCSeries
|
|
* @extends RangeSeries
|
|
* @constructor
|
|
* @param {Object} config (optional) Configuration parameters.
|
|
* @submodule series-ohlc
|
|
*/
|
|
function OHLCSeries()
|
|
{
|
|
OHLCSeries.superclass.constructor.apply(this, arguments);
|
|
}
|
|
|
|
OHLCSeries.NAME = "ohlcSeries";
|
|
|
|
OHLCSeries.ATTRS = {
|
|
/**
|
|
* Read-only attribute indicating the type of series.
|
|
*
|
|
* @attribute type
|
|
* @type String
|
|
* @readOnly
|
|
* @default ohlc
|
|
*/
|
|
type: {
|
|
value: "ohlc"
|
|
},
|
|
|
|
/**
|
|
* The graphic in which drawings will be rendered.
|
|
*
|
|
* @attribute graphic
|
|
* @type Graphic
|
|
*/
|
|
graphic: {
|
|
lazyAdd: false,
|
|
|
|
setter: function(val) {
|
|
//woraround for Attribute order of operations bug
|
|
if(!this.get("rendered")) {
|
|
this.set("rendered", true);
|
|
}
|
|
this.set("upmarker", val.addShape({
|
|
type: "path"
|
|
}));
|
|
this.set("downmarker", val.addShape({
|
|
type: "path"
|
|
}));
|
|
return val;
|
|
}
|
|
},
|
|
|
|
upmarker: {},
|
|
|
|
downmarker: {}
|
|
|
|
/**
|
|
* Style properties used for drawing markers. This attribute is inherited from `RangeSeries`. Below are the default values:
|
|
* <dl>
|
|
* <dt>upmarker</dt><dd>Properties for a marker representing a period that closes higher than it opens.
|
|
* <dl>
|
|
* <dt>fill</dt><dd>A hash containing the following values:
|
|
* <dl>
|
|
* <dt>color</dt><dd>Color of the fill. The default value is "#00aa00".</dd>
|
|
* </dd>
|
|
* <dt>alpha</dt><dd>Number from 0 to 1 indicating the opacity of the marker fill. The default value is 1.</dd>
|
|
* </dl>
|
|
* </dd>
|
|
* <dt>border</dt><dd>A hash containing the following values:
|
|
* <dl>
|
|
* <dt>color</dt><dd>Color of the border. The default value is "#000000".</dd>
|
|
* <dt>alpha</dt><dd>Number from 0 to 1 indicating the opacity of the marker border. The default value is 1.</dd>
|
|
* <dt>weight</dt><dd>Number indicating the width of the border. The default value is 0.</dd>
|
|
* </dl>
|
|
* </dd>
|
|
* </dl>
|
|
* </dd>
|
|
* <dt>downmarker</dt><dd>Properties for a marker representing a period that opens higher than it closes.
|
|
* <dl>
|
|
* <dt>fill</dt><dd>A hash containing the following values:
|
|
* <dl>
|
|
* <dt>color</dt><dd>Color of the fill. The default value is "#aa0000".</dd>
|
|
* </dd>
|
|
* <dt>alpha</dt><dd>Number from 0 to 1 indicating the opacity of the marker fill. The default value is 1.</dd>
|
|
* </dl>
|
|
* </dd>
|
|
* <dt>border</dt><dd>A hash containing the following values:
|
|
* <dl>
|
|
* <dt>color</dt><dd>Color of the border. The default value is "#000000".</dd>
|
|
* <dt>alpha</dt><dd>Number from 0 to 1 indicating the opacity of the marker border. The default value is 1.</dd>
|
|
* <dt>weight</dt><dd>Number indicating the width of the border. The default value is 0.</dd>
|
|
* </dl>
|
|
* </dd>
|
|
* </dl>
|
|
* </dd>
|
|
* </dl>
|
|
*
|
|
* @attribute styles
|
|
* @type Object
|
|
*/
|
|
};
|
|
|
|
Y.extend(OHLCSeries, Y.RangeSeries, {
|
|
/**
|
|
* Draws markers for an OHLC series.
|
|
*
|
|
* @method
|
|
* @param {Array} xcoords The xcoordinates to be plotted.
|
|
* @param {Array} opencoords The coordinates representing the open values.
|
|
* @param {Array} highcoords The coordinates representing the high values.
|
|
* @param {Array} lowcoords The coordinates representing the low values.
|
|
* @param {Array} closecoords The coordinates representing the close values.
|
|
* @param {Number} len The number of x coordinates to plot.
|
|
* @param {Number} width The width of each ohlc marker.
|
|
* @param {Number} halfwidth Half the width of each ohlc marker.
|
|
* @param {Object} styles The styles for the series.
|
|
* @private
|
|
*/
|
|
_drawMarkers: function(xcoords, opencoords, highcoords, lowcoords, closecoords, len, width, halfwidth, styles)
|
|
{
|
|
var upmarker = this.get("upmarker"),
|
|
downmarker = this.get("downmarker"),
|
|
opencoord,
|
|
highcoord,
|
|
lowcoord,
|
|
closecoord,
|
|
left,
|
|
right,
|
|
leftPadding = styles.padding.left,
|
|
marker,
|
|
up,
|
|
cx,
|
|
i,
|
|
height;
|
|
upmarker.set(styles.upmarker);
|
|
downmarker.set(styles.downmarker);
|
|
upmarker.clear();
|
|
downmarker.clear();
|
|
for(i = 0; i < len; i = i + 1)
|
|
{
|
|
cx = xcoords[i] + leftPadding;
|
|
left = cx - halfwidth;
|
|
right = cx + halfwidth;
|
|
opencoord = opencoords[i];
|
|
highcoord = highcoords[i];
|
|
lowcoord = lowcoords[i];
|
|
closecoord = closecoords[i];
|
|
up = opencoord > closecoord;
|
|
height = lowcoord - highcoord;
|
|
marker = up ? upmarker : downmarker;
|
|
marker.moveTo(left, opencoord);
|
|
marker.lineTo(cx, opencoord);
|
|
marker.moveTo(cx, highcoord);
|
|
marker.lineTo(cx, lowcoord);
|
|
marker.moveTo(cx, closecoord);
|
|
marker.lineTo(right, closecoord);
|
|
}
|
|
upmarker.end();
|
|
downmarker.end();
|
|
},
|
|
|
|
/**
|
|
* Toggles visibility
|
|
*
|
|
* @method _toggleVisible
|
|
* @param {Boolean} visible indicates visibilitye
|
|
* @private
|
|
*/
|
|
_toggleVisible: function(visible)
|
|
{
|
|
this.get("upmarker").set("visible", visible);
|
|
this.get("downmarker").set("visible", visible);
|
|
},
|
|
|
|
/**
|
|
* Destructor implementation for the CartesianSeries class. Calls destroy on all Graphic instances.
|
|
*
|
|
* @method destructor
|
|
* @protected
|
|
*/
|
|
destructor: function()
|
|
{
|
|
var upmarker = this.get("upmarker"),
|
|
downmarker = this.get("downmarker");
|
|
if(upmarker)
|
|
{
|
|
upmarker.destroy();
|
|
}
|
|
if(downmarker)
|
|
{
|
|
downmarker.destroy();
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Gets the default value for the `styles` attribute. Overrides
|
|
* base implementation.
|
|
*
|
|
* @method _getDefaultStyles
|
|
* @return Object
|
|
* @private
|
|
*/
|
|
_getDefaultStyles: function()
|
|
{
|
|
var styles = {
|
|
upmarker: {
|
|
stroke: {
|
|
color: "#00aa00",
|
|
alpha: 1,
|
|
weight: 1
|
|
}
|
|
},
|
|
downmarker: {
|
|
stroke: {
|
|
color: "#aa0000",
|
|
alpha: 1,
|
|
weight: 1
|
|
}
|
|
}
|
|
};
|
|
return this._mergeStyles(styles, OHLCSeries.superclass._getDefaultStyles());
|
|
}
|
|
});
|
|
Y.OHLCSeries = OHLCSeries;
|
|
|
|
|
|
}, '3.17.2', {"requires": ["series-range"]});
|
|
|