diff options
author | 2017-09-01 11:57:47 +0800 | |
---|---|---|
committer | 2017-09-01 11:57:58 +0800 | |
commit | 57dbba269d19bc59fad89160200bb2dbcccb9003 (patch) | |
tree | d466041ceffa2161124ca79a48b3e077777c74b8 /usecaseui-common/src/main/webapp/static/fusion/raptor/dy3/js/dygraph-layout.js | |
parent | 4ff32341a0af1972b44a7410e76e9b231131e7ab (diff) |
Upload Monitor function code
Change-Id: I33ad76221b4cb771a298ff240245fc24be664efb
Issue-Id: USECASEUI-6
Signed-off-by: shentao <shentao@chinamobile.com>
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, 349 insertions, 0 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 new file mode 100644 index 00000000..e766e8f5 --- /dev/null +++ b/usecaseui-common/src/main/webapp/static/fusion/raptor/dy3/js/dygraph-layout.js @@ -0,0 +1,349 @@ +/** + * @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 = []; +}; |