| /* |
| Copyright (c) 2004-2006, The Dojo Foundation |
| All Rights Reserved. |
| |
| Licensed under the Academic Free License version 2.1 or above OR the |
| modified BSD license. For more information on Dojo licensing, see: |
| |
| http://dojotoolkit.org/community/licensing.shtml |
| */ |
| |
| |
| |
| 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; |
| }}); |
| |