New file |
0,0 → 1,80 |
/* |
Copyright (c) 2004-2006, The Dojo Foundation |
All Rights Reserved. |
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Licensed under the Academic Free License version 2.1 or above OR the |
modified BSD license. For more information on Dojo licensing, see: |
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http://dojotoolkit.org/community/licensing.shtml |
*/ |
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dojo.provide("dojo.charting.Plot"); |
dojo.require("dojo.lang.common"); |
dojo.require("dojo.charting.Axis"); |
dojo.require("dojo.charting.Series"); |
dojo.charting.RenderPlotSeries = {Singly:"single", Grouped:"grouped"}; |
dojo.charting.Plot = function (xaxis, yaxis, series) { |
var id = "dojo-charting-plot-" + dojo.charting.Plot.count++; |
this.getId = function () { |
return id; |
}; |
this.setId = function (key) { |
id = key; |
}; |
this.axisX = null; |
this.axisY = null; |
this.series = []; |
this.dataNode = null; |
this.renderType = dojo.charting.RenderPlotSeries.Singly; |
if (xaxis) { |
this.setAxis(xaxis, "x"); |
} |
if (yaxis) { |
this.setAxis(yaxis, "y"); |
} |
if (series) { |
for (var i = 0; i < series.length; i++) { |
this.addSeries(series[i]); |
} |
} |
}; |
dojo.charting.Plot.count = 0; |
dojo.extend(dojo.charting.Plot, {addSeries:function (series, plotter) { |
if (series.plotter) { |
this.series.push(series); |
} else { |
this.series.push({data:series, plotter:plotter || dojo.charting.Plotters["Default"]}); |
} |
}, setAxis:function (axis, which) { |
if (which.toLowerCase() == "x") { |
this.axisX = axis; |
} else { |
if (which.toLowerCase() == "y") { |
this.axisY = axis; |
} |
} |
}, getRanges:function () { |
var xmin, xmax, ymin, ymax; |
xmin = ymin = Number.MAX_VALUE; |
xmax = ymax = Number.MIN_VALUE; |
for (var i = 0; i < this.series.length; i++) { |
var values = this.series[i].data.evaluate(); |
for (var j = 0; j < values.length; j++) { |
var comp = values[j]; |
xmin = Math.min(comp.x, xmin); |
ymin = Math.min(comp.y, ymin); |
xmax = Math.max(comp.x, xmax); |
ymax = Math.max(comp.y, ymax); |
} |
} |
return {x:{upper:xmax, lower:xmin}, y:{upper:ymax, lower:ymin}, toString:function () { |
return "[ x:" + xmax + " - " + xmin + ", y:" + ymax + " - " + ymin + "]"; |
}}; |
}, destroy:function () { |
var node = this.dataNode; |
while (node && node.childNodes && node.childNodes.length > 0) { |
node.removeChild(node.childNodes[0]); |
} |
this.dataNode = null; |
}}); |
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