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Diffstat (limited to 'ecomp-sdk-app/src/main/webapp/app/fusion/external/d3/js/utils.js')
| -rw-r--r-- | ecomp-sdk-app/src/main/webapp/app/fusion/external/d3/js/utils.js | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/ecomp-sdk-app/src/main/webapp/app/fusion/external/d3/js/utils.js b/ecomp-sdk-app/src/main/webapp/app/fusion/external/d3/js/utils.js new file mode 100644 index 000000000..7b99e1dad --- /dev/null +++ b/ecomp-sdk-app/src/main/webapp/app/fusion/external/d3/js/utils.js @@ -0,0 +1,152 @@ + +nv.utils.windowSize = function() { + // Sane defaults + var size = {width: 640, height: 480}; + + // Earlier IE uses Doc.body + if (document.body && document.body.offsetWidth) { + size.width = document.body.offsetWidth; + size.height = document.body.offsetHeight; + } + + // IE can use depending on mode it is in + if (document.compatMode=='CSS1Compat' && + document.documentElement && + document.documentElement.offsetWidth ) { + size.width = document.documentElement.offsetWidth; + size.height = document.documentElement.offsetHeight; + } + + // Most recent browsers use + if (window.innerWidth && window.innerHeight) { + size.width = window.innerWidth; + size.height = window.innerHeight; + } + return (size); +}; + + + +// Easy way to bind multiple functions to window.onresize +// TODO: give a way to remove a function after its bound, other than removing all of them +nv.utils.windowResize = function(fun){ + if (fun === undefined) return; + var oldresize = window.onresize; + + window.onresize = function(e) { + if (typeof oldresize == 'function') oldresize(e); + fun(e); + } +} + +// Backwards compatible way to implement more d3-like coloring of graphs. +// If passed an array, wrap it in a function which implements the old default +// behavior +nv.utils.getColor = function(color) { + if (!arguments.length) return nv.utils.defaultColor(); //if you pass in nothing, get default colors back + + if( Object.prototype.toString.call( color ) === '[object Array]' ) + return function(d, i) { return d.color || color[i % color.length]; }; + else + return color; + //can't really help it if someone passes rubbish as color +} + +// Default color chooser uses the index of an object as before. +nv.utils.defaultColor = function() { + var colors = d3.scale.category20().range(); + return function(d, i) { return d.color || colors[i % colors.length] }; +} + + +// Returns a color function that takes the result of 'getKey' for each series and +// looks for a corresponding color from the dictionary, +nv.utils.customTheme = function(dictionary, getKey, defaultColors) { + getKey = getKey || function(series) { return series.key }; // use default series.key if getKey is undefined + defaultColors = defaultColors || d3.scale.category20().range(); //default color function + + var defIndex = defaultColors.length; //current default color (going in reverse) + + return function(series, index) { + var key = getKey(series); + + if (!defIndex) defIndex = defaultColors.length; //used all the default colors, start over + + if (typeof dictionary[key] !== "undefined") + return (typeof dictionary[key] === "function") ? dictionary[key]() : dictionary[key]; + else + return defaultColors[--defIndex]; // no match in dictionary, use default color + } +} + + + +// From the PJAX example on d3js.org, while this is not really directly needed +// it's a very cool method for doing pjax, I may expand upon it a little bit, +// open to suggestions on anything that may be useful +nv.utils.pjax = function(links, content) { + d3.selectAll(links).on("click", function() { + history.pushState(this.href, this.textContent, this.href); + load(this.href); + d3.event.preventDefault(); + }); + + function load(href) { + d3.html(href, function(fragment) { + var target = d3.select(content).node(); + target.parentNode.replaceChild(d3.select(fragment).select(content).node(), target); + nv.utils.pjax(links, content); + }); + } + + d3.select(window).on("popstate", function() { + if (d3.event.state) load(d3.event.state); + }); +} + +/* For situations where we want to approximate the width in pixels for an SVG:text element. +Most common instance is when the element is in a display:none; container. +Forumla is : text.length * font-size * constant_factor +*/ +nv.utils.calcApproxTextWidth = function (svgTextElem) { + if (svgTextElem instanceof d3.selection) { + var fontSize = parseInt(svgTextElem.style("font-size").replace("px","")); + var textLength = svgTextElem.text().length; + + return textLength * fontSize * 0.5; + } + return 0; +}; + +/* Numbers that are undefined, null or NaN, convert them to zeros. +*/ +nv.utils.NaNtoZero = function(n) { + if (typeof n !== 'number' + || isNaN(n) + || n === null + || n === Infinity) return 0; + + return n; +}; + +/* +Snippet of code you can insert into each nv.models.* to give you the ability to +do things like: +chart.options({ + showXAxis: true, + tooltips: true +}); + +To enable in the chart: +chart.options = nv.utils.optionsFunc.bind(chart); +*/ +nv.utils.optionsFunc = function(args) { + if (args) { + d3.map(args).forEach((function(key,value) { + if (typeof this[key] === "function") { + this[key](value); + } + }).bind(this)); + } + return this; +};
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