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Diffstat (limited to 'usecaseui-common/src/main/webapp/static/fusion/raptor/dy3/js/dygraph-layout.js')
-rw-r--r-- | usecaseui-common/src/main/webapp/static/fusion/raptor/dy3/js/dygraph-layout.js | 349 |
1 files changed, 0 insertions, 349 deletions
diff --git a/usecaseui-common/src/main/webapp/static/fusion/raptor/dy3/js/dygraph-layout.js b/usecaseui-common/src/main/webapp/static/fusion/raptor/dy3/js/dygraph-layout.js deleted file mode 100644 index e766e8f5..00000000 --- a/usecaseui-common/src/main/webapp/static/fusion/raptor/dy3/js/dygraph-layout.js +++ /dev/null @@ -1,349 +0,0 @@ -/** - * @license - * Copyright 2011 Dan Vanderkam (danvdk@gmail.com) - * MIT-licensed (http://opensource.org/licenses/MIT) - */ - -/** - * @fileoverview Based on PlotKitLayout, but modified to meet the needs of - * dygraphs. - */ - -/*jshint globalstrict: true */ -/*global Dygraph:false */ -"use strict"; - -/** - * Creates a new DygraphLayout object. - * - * This class contains all the data to be charted. - * It uses data coordinates, but also records the chart range (in data - * coordinates) and hence is able to calculate percentage positions ('In this - * view, Point A lies 25% down the x-axis.') - * - * Two things that it does not do are: - * 1. Record pixel coordinates for anything. - * 2. (oddly) determine anything about the layout of chart elements. - * - * The naming is a vestige of Dygraph's original PlotKit roots. - * - * @constructor - */ -var DygraphLayout = function(dygraph) { - this.dygraph_ = dygraph; - /** - * Array of points for each series. - * - * [series index][row index in series] = |Point| structure, - * where series index refers to visible series only, and the - * point index is for the reduced set of points for the current - * zoom region (including one point just outside the window). - * All points in the same row index share the same X value. - * - * @type {Array.<Array.<Dygraph.PointType>>} - */ - this.points = []; - this.setNames = []; - this.annotations = []; - this.yAxes_ = null; - - // TODO(danvk): it's odd that xTicks_ and yTicks_ are inputs, but xticks and - // yticks are outputs. Clean this up. - this.xTicks_ = null; - this.yTicks_ = null; -}; - -DygraphLayout.prototype.attr_ = function(name) { - return this.dygraph_.attr_(name); -}; - -/** - * Add points for a single series. - * - * @param {string} setname Name of the series. - * @param {Array.<Dygraph.PointType>} set_xy Points for the series. - */ -DygraphLayout.prototype.addDataset = function(setname, set_xy) { - this.points.push(set_xy); - this.setNames.push(setname); -}; - -/** - * Returns the box which the chart should be drawn in. This is the canvas's - * box, less space needed for the axis and chart labels. - * - * @return {{x: number, y: number, w: number, h: number}} - */ -DygraphLayout.prototype.getPlotArea = function() { - return this.area_; -}; - -// Compute the box which the chart should be drawn in. This is the canvas's -// box, less space needed for axis, chart labels, and other plug-ins. -// NOTE: This should only be called by Dygraph.predraw_(). -DygraphLayout.prototype.computePlotArea = function() { - var area = { - // TODO(danvk): per-axis setting. - x: 0, - y: 0 - }; - - area.w = this.dygraph_.width_ - area.x - this.attr_('rightGap'); - area.h = this.dygraph_.height_; - - // Let plugins reserve space. - var e = { - chart_div: this.dygraph_.graphDiv, - reserveSpaceLeft: function(px) { - var r = { - x: area.x, - y: area.y, - w: px, - h: area.h - }; - area.x += px; - area.w -= px; - return r; - }, - reserveSpaceRight: function(px) { - var r = { - x: area.x + area.w - px, - y: area.y, - w: px, - h: area.h - }; - area.w -= px; - return r; - }, - reserveSpaceTop: function(px) { - var r = { - x: area.x, - y: area.y, - w: area.w, - h: px - }; - area.y += px; - area.h -= px; - return r; - }, - reserveSpaceBottom: function(px) { - var r = { - x: area.x, - y: area.y + area.h - px, - w: area.w, - h: px - }; - area.h -= px; - return r; - }, - chartRect: function() { - return {x:area.x, y:area.y, w:area.w, h:area.h}; - } - }; - this.dygraph_.cascadeEvents_('layout', e); - - this.area_ = area; -}; - -DygraphLayout.prototype.setAnnotations = function(ann) { - // The Dygraph object's annotations aren't parsed. We parse them here and - // save a copy. If there is no parser, then the user must be using raw format. - this.annotations = []; - var parse = this.attr_('xValueParser') || function(x) { return x; }; - for (var i = 0; i < ann.length; i++) { - var a = {}; - if (!ann[i].xval && ann[i].x === undefined) { - this.dygraph_.error("Annotations must have an 'x' property"); - return; - } - if (ann[i].icon && - !(ann[i].hasOwnProperty('width') && - ann[i].hasOwnProperty('height'))) { - this.dygraph_.error("Must set width and height when setting " + - "annotation.icon property"); - return; - } - Dygraph.update(a, ann[i]); - if (!a.xval) a.xval = parse(a.x); - this.annotations.push(a); - } -}; - -DygraphLayout.prototype.setXTicks = function(xTicks) { - this.xTicks_ = xTicks; -}; - -// TODO(danvk): add this to the Dygraph object's API or move it into Layout. -DygraphLayout.prototype.setYAxes = function (yAxes) { - this.yAxes_ = yAxes; -}; - -DygraphLayout.prototype.evaluate = function() { - this._evaluateLimits(); - this._evaluateLineCharts(); - this._evaluateLineTicks(); - this._evaluateAnnotations(); -}; - -DygraphLayout.prototype._evaluateLimits = function() { - var xlimits = this.dygraph_.xAxisRange(); - this.minxval = xlimits[0]; - this.maxxval = xlimits[1]; - var xrange = xlimits[1] - xlimits[0]; - this.xscale = (xrange !== 0 ? 1 / xrange : 1.0); - - for (var i = 0; i < this.yAxes_.length; i++) { - var axis = this.yAxes_[i]; - axis.minyval = axis.computedValueRange[0]; - axis.maxyval = axis.computedValueRange[1]; - axis.yrange = axis.maxyval - axis.minyval; - axis.yscale = (axis.yrange !== 0 ? 1.0 / axis.yrange : 1.0); - - if (axis.g.attr_("logscale")) { - axis.ylogrange = Dygraph.log10(axis.maxyval) - Dygraph.log10(axis.minyval); - axis.ylogscale = (axis.ylogrange !== 0 ? 1.0 / axis.ylogrange : 1.0); - if (!isFinite(axis.ylogrange) || isNaN(axis.ylogrange)) { - axis.g.error('axis ' + i + ' of graph at ' + axis.g + - ' can\'t be displayed in log scale for range [' + - axis.minyval + ' - ' + axis.maxyval + ']'); - } - } - } -}; - -DygraphLayout._calcYNormal = function(axis, value, logscale) { - if (logscale) { - return 1.0 - ((Dygraph.log10(value) - Dygraph.log10(axis.minyval)) * axis.ylogscale); - } else { - return 1.0 - ((value - axis.minyval) * axis.yscale); - } -}; - -DygraphLayout.prototype._evaluateLineCharts = function() { - var connectSeparated = this.attr_('connectSeparatedPoints'); - var isStacked = this.attr_("stackedGraph"); - var hasBars = this.attr_('errorBars') || this.attr_('customBars'); - - for (var setIdx = 0; setIdx < this.points.length; setIdx++) { - var points = this.points[setIdx]; - var setName = this.setNames[setIdx]; - var axis = this.dygraph_.axisPropertiesForSeries(setName); - // TODO (konigsberg): use optionsForAxis instead. - var logscale = this.dygraph_.attributes_.getForSeries("logscale", setName); - - for (var j = 0; j < points.length; j++) { - var point = points[j]; - - // Range from 0-1 where 0 represents left and 1 represents right. - point.x = (point.xval - this.minxval) * this.xscale; - // Range from 0-1 where 0 represents top and 1 represents bottom - var yval = point.yval; - if (isStacked) { - point.y_stacked = DygraphLayout._calcYNormal( - axis, point.yval_stacked, logscale); - if (yval !== null && !isNaN(yval)) { - yval = point.yval_stacked; - } - } - if (yval === null) { - yval = NaN; - if (!connectSeparated) { - point.yval = NaN; - } - } - point.y = DygraphLayout._calcYNormal(axis, yval, logscale); - - if (hasBars) { - point.y_top = DygraphLayout._calcYNormal( - axis, yval - point.yval_minus, logscale); - point.y_bottom = DygraphLayout._calcYNormal( - axis, yval + point.yval_plus, logscale); - } - } - } -}; - -/** - * Optimized replacement for parseFloat, which was way too slow when almost - * all values were type number, with few edge cases, none of which were strings. - */ -DygraphLayout.parseFloat_ = function(val) { - // parseFloat(null) is NaN - if (val === null) { - return NaN; - } - - // Assume it's a number or NaN. If it's something else, I'll be shocked. - return val; -}; - -DygraphLayout.prototype._evaluateLineTicks = function() { - var i, tick, label, pos; - this.xticks = []; - for (i = 0; i < this.xTicks_.length; i++) { - tick = this.xTicks_[i]; - label = tick.label; - pos = this.xscale * (tick.v - this.minxval); - if ((pos >= 0.0) && (pos <= 1.0)) { - this.xticks.push([pos, label]); - } - } - - this.yticks = []; - for (i = 0; i < this.yAxes_.length; i++ ) { - var axis = this.yAxes_[i]; - for (var j = 0; j < axis.ticks.length; j++) { - tick = axis.ticks[j]; - label = tick.label; - pos = this.dygraph_.toPercentYCoord(tick.v, i); - if ((pos >= 0.0) && (pos <= 1.0)) { - this.yticks.push([i, pos, label]); - } - } - } -}; - -DygraphLayout.prototype._evaluateAnnotations = function() { - // Add the annotations to the point to which they belong. - // Make a map from (setName, xval) to annotation for quick lookups. - var i; - var annotations = {}; - for (i = 0; i < this.annotations.length; i++) { - var a = this.annotations[i]; - annotations[a.xval + "," + a.series] = a; - } - - this.annotated_points = []; - - // Exit the function early if there are no annotations. - if (!this.annotations || !this.annotations.length) { - return; - } - - // TODO(antrob): loop through annotations not points. - for (var setIdx = 0; setIdx < this.points.length; setIdx++) { - var points = this.points[setIdx]; - for (i = 0; i < points.length; i++) { - var p = points[i]; - var k = p.xval + "," + p.name; - if (k in annotations) { - p.annotation = annotations[k]; - this.annotated_points.push(p); - } - } - } -}; - -/** - * Convenience function to remove all the data sets from a graph - */ -DygraphLayout.prototype.removeAllDatasets = function() { - delete this.points; - delete this.setNames; - delete this.setPointsLengths; - delete this.setPointsOffsets; - this.points = []; - this.setNames = []; - this.setPointsLengths = []; - this.setPointsOffsets = []; -}; |