106 lines
3.5 KiB
JavaScript
106 lines
3.5 KiB
JavaScript
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nv.utils.windowSize = function() {
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// Sane defaults
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var size = {width: 640, height: 480};
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// Earlier IE uses Doc.body
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if (document.body && document.body.offsetWidth) {
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size.width = document.body.offsetWidth;
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size.height = document.body.offsetHeight;
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}
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// IE can use depending on mode it is in
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if (document.compatMode=='CSS1Compat' &&
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document.documentElement &&
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document.documentElement.offsetWidth ) {
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size.width = document.documentElement.offsetWidth;
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size.height = document.documentElement.offsetHeight;
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}
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// Most recent browsers use
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if (window.innerWidth && window.innerHeight) {
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size.width = window.innerWidth;
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size.height = window.innerHeight;
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}
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return (size);
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};
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// Easy way to bind multiple functions to window.onresize
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// TODO: give a way to remove a function after its bound, other than removing alkl of them
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nv.utils.windowResize = function(fun){
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var oldresize = window.onresize;
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window.onresize = function(e) {
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if (typeof oldresize == 'function') oldresize(e);
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fun(e);
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}
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}
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// Backwards compatible way to implement more d3-like coloring of graphs.
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// If passed an array, wrap it in a function which implements the old default
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// behavior
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nv.utils.getColor = function(color) {
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if (!arguments.length) return nv.utils.defaultColor(); //if you pass in nothing, get default colors back
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if( Object.prototype.toString.call( color ) === '[object Array]' )
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return function(d, i) { return d.color || color[i % color.length]; };
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else
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return color;
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//can't really help it if someone passes rubbish as color
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}
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// Default color chooser uses the index of an object as before.
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nv.utils.defaultColor = function() {
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var colors = d3.scale.category20().range();
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return function(d, i) { return d.color || colors[i % colors.length] };
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}
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// Returns a color function that takes the result of 'getKey' for each series and
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// looks for a corresponding color from the dictionary,
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nv.utils.customTheme = function(dictionary, getKey, defaultColors) {
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getKey = getKey || function(series) { return series.key }; // use default series.key if getKey is undefined
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defaultColors = defaultColors || d3.scale.category20().range(); //default color function
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var defIndex = defaultColors.length; //current default color (going in reverse)
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return function(series, index) {
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var key = getKey(series);
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if (!defIndex) defIndex = defaultColors.length; //used all the default colors, start over
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if (typeof dictionary[key] !== "undefined")
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return (typeof dictionary[key] === "function") ? dictionary[key]() : dictionary[key];
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else
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return defaultColors[--defIndex]; // no match in dictionary, use default color
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}
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}
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// From the PJAX example on d3js.org, while this is not really directly needed
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// it's a very cool method for doing pjax, I may expand upon it a little bit,
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// open to suggestions on anything that may be useful
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nv.utils.pjax = function(links, content) {
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d3.selectAll(links).on("click", function() {
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history.pushState(this.href, this.textContent, this.href);
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load(this.href);
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d3.event.preventDefault();
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});
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function load(href) {
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d3.html(href, function(fragment) {
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var target = d3.select(content).node();
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target.parentNode.replaceChild(d3.select(fragment).select(content).node(), target);
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nv.utils.pjax(links, content);
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});
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}
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d3.select(window).on("popstate", function() {
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if (d3.event.state) load(d3.event.state);
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});
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}
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