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plotUtils.js
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plotUtils.js
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/*
* Copyright 2017 TWO SIGMA OPEN SOURCE, LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
define([
'underscore',
'big.js',
'./../shared/bkHelper',
'./../shared/bkUtils',
'd3'
], function(
_,
Big,
bkHelper,
bkUtils,
d3
) {
var keyCodeMap = {
8 : "BACKSPACE",
9 : "TAB",
13 : "ENTER",
16 : "SHIFT",
17 : "CTRL",
18 : "ALT",
19 : "PAUSE_BREAK",
20 : "CAPS_LOCK",
27 : "ESCAPE",
32 : "SPACE",
33 : "PAGE_UP",
34 : "PAGE_DOWN",
35 : "END",
36 : "HOME",
37 : "LEFT_ARROW",
38 : "UP_ARROW",
39 : "RIGHT_ARROW",
40 : "DOWN_ARROW",
45 : "INSERT",
46 : "DELETE",
106 : "MULTIPLY",
107 : "ADD",
109 : "SUBTRACT",
110 : "DECIMAL_POINT",
111 : "DIVIDE",
112 : "F1",
113 : "F2",
114 : "F3",
115 : "F4",
116 : "F5",
117 : "F6",
118 : "F7",
119 : "F8",
120 : "F9",
121 : "F10",
122 : "F11",
123 : "F12",
144 : "NUM_LOCK",
145 : "SCROLL_LOCK",
186 : "SEMICOLON",
187 : "EQUAL_SIGN",
188 : "COMMA",
189 : "DASH",
190 : "PERIOD",
191 : "FORWARD_SLASH",
192 : "GRAVE_ACCENT",
219 : "OPEN_BRACKET",
220 : "BACK_SLASH",
221 : "CLOSE_BRAKET",
222 : "SINGLE_QUOTE"
};
function fireClickEvent(a) {
if (document.createEvent) {
var evObj = document.createEvent('MouseEvents');
evObj.initEvent('click', true, false);
a.dispatchEvent(evObj);
} else if (document.createEventObject) {
a.fireEvent('onclick', document.createEventObject());
}
}
var plotUtils = {
base64Fonts: {},
getSavePlotAsContextMenuItems: function (scope) {
return [
{
name: 'Save as SVG',
callback: function () {
scope.saveAsSvg();
}
},
{
name: 'Save as PNG',
callback: function () {
scope.saveAsPng();
}
},
{
name: 'Save as PNG at high DPI...',
items: [2,3,4,5].map(function(scale) {
return {
name: scale + 'x',
callback: function() {
scope.saveAsPng(scale);
}
}
})
}
];
},
getDefaultColor: function (i) {
var themeColors = bkHelper.defaultPlotColors[bkHelper.getTheme()];
return i < themeColors.length ? themeColors[i] : this.createNiceColor(i);
},
useYAxisR: function(model, data) {
var yAxisR = model.yAxisR;
if (data.yAxis && data.yAxis.hasOwnProperty('label')) {
return yAxisR && yAxisR.label === data.yAxis.label;
}
return yAxisR && yAxisR.label === data.yAxis;
},
createColor : function(hexstr, opacity) {
if (hexstr === "none") {
return "none";
}
if (hexstr == null) {
hexstr = "#000000";
}
if (hexstr[0] !== "#") {
hexstr = this.colorToHex(hexstr);
}
if (opacity == null) {
opacity = 1.0;
}
var r = parseInt(hexstr.substr(1,2), 16),
g = parseInt(hexstr.substr(3,2), 16),
b = parseInt(hexstr.substr(5,2), 16);
var str = "rgba(" + r + "," + g + "," + b + "," + opacity + ")";
return str;
},
lt: function(n1, n2){
return n1 instanceof Big ? n1.lt(n2) : n1 < n2;
},
lte: function(n1, n2){
return n1 instanceof Big ? n1.lte(n2) : n1 <= n2;
},
gt: function(n1, n2){
return n1 instanceof Big ? n1.gt(n2) : n1 > n2;
},
gte: function(n1, n2){
return n1 instanceof Big ? n1.gte(n2) : n1 >= n2;
},
plus: function(n1, n2){
return n1 instanceof Big ? n1.plus(n2) : n1 + n2;
},
minus: function(n1, n2){
return n1 instanceof Big ? n1.minus(n2) : n1 - n2;
},
mult: function(n1, n2){
return n1 instanceof Big ? n1.times(n2) : n1 * n2;
},
div: function(n1, n2){
return n1 instanceof Big ? n1.div(n2) : n1 / n2;
},
getDataRange : function(data) { // data range is in [0,1] x [0,1]
var datarange = {
xl : Infinity,
xr : -Infinity,
yl : Infinity,
yr : -Infinity
};
var visibleItem = 0, legendableItem = 0;
for (var i = 0; i < data.length; i++) {
if (data[i].legend != null && data[i].legend != "") {
legendableItem++;
}
if (data[i].showItem === false) { continue; }
visibleItem++;
var itemrange = data[i].getRange();
this.updateRange(datarange, itemrange);
}
if (datarange.xl === Infinity && datarange.xr !== -Infinity) {
datarange.xl = datarange.xr - 1;
} else if (datarange.xr === -Infinity && datarange.xl !== Infinity) {
datarange.xr = datarange.xl + 1;
} else if (visibleItem === 0 || datarange.xl === Infinity) {
datarange.xl = 0;
datarange.xr = 1;
} else if (datarange.xl > datarange.xr) {
var temp = datarange.xl;
datarange.xl = datarange.xr;
datarange.xr = temp;
}
if (datarange.yl === Infinity && datarange.yr !== -Infinity) {
datarange.yl = datarange.yr - 1;
} else if (datarange.yr === -Infinity && datarange.yl !== Infinity) {
datarange.yr = datarange.yl + 1;
}
if (visibleItem === 0 || datarange.yl === Infinity) {
datarange.yl = 0;
datarange.yr = 1;
} else if (datarange.yl > datarange.yr) {
var temp = datarange.yl;
datarange.yl = datarange.yr;
datarange.yr = temp;
}
var self = this;
var increaseRange = function(value) {
return self.plus(value, self.div((value || 1), 10));
};
var decreaseRange = function(value){
return self.minus(value, self.div((value || 1), 10));
};
if (this.eq(datarange.xl, datarange.xr)) {
datarange.xl = decreaseRange(datarange.xl);
datarange.xr = increaseRange(datarange.xr);
}
if (datarange.yl === datarange.yr) {
datarange.yl = decreaseRange(datarange.yl);
datarange.yr = increaseRange(datarange.yr);
}
datarange.xspan = this.minus(datarange.xr, datarange.xl);
datarange.yspan = datarange.yr - datarange.yl;
return {
"datarange" : datarange,
"visibleItem" : visibleItem,
"legendableItem" : legendableItem
};
},
max: function(n1, n2){
if (n1 instanceof Big || n2 instanceof Big) {
if(n1 == -Infinity){
return n2;
}
if(n2 == -Infinity){
return n1;
}
return n1.gt(n2) ? n1 : n2;
} else {
return Math.max(n1, n2);
}
},
min: function(n1, n2){
if (n1 instanceof Big || n2 instanceof Big) {
if(n1 == Infinity){
return n2;
}
if(n2 == Infinity){
return n1;
}
return n1.lt(n2) ? n1 : n2;
} else {
return Math.min(n1, n2);
}
},
eq: function(n1, n2){
return n1 instanceof Big ? n1.eq(n2) : n1 === n2;
},
updateRange : function(datarange, itemrange) {
if (itemrange.xl != null) { datarange.xl = this.min(datarange.xl, itemrange.xl); }
if (itemrange.xr != null) { datarange.xr = this.max(datarange.xr, itemrange.xr); }
if (itemrange.yl != null) { datarange.yl = Math.min(datarange.yl, itemrange.yl); }
if (itemrange.yr != null) { datarange.yr = Math.max(datarange.yr, itemrange.yr); }
},
fonts: {
labelWidth : 6,
labelHeight : 12,
tooltipWidth : 10
},
getDefaultFocus : function(model) {
var yAxisData = [], yAxisRData = [];
for (var i = 0; i < model.data.length; i++) {
var item = model.data[i];
if(plotUtils.useYAxisR(model, item)){
yAxisRData.push(item);
} else {
yAxisData.push(item);
}
}
var ret = this.getDataRange(yAxisData);
var retR = this.getDataRange(yAxisRData);
var range = ret.datarange;
var rangeR = retR.datarange;
var margin = model.margin;
if(ret.visibleItem === 0) { // for empty plot, focus needs to be adjusted
range.xl = model.xAxis.getPercent(range.xl);
range.xr = model.xAxis.getPercent(range.xr);
range.yl = model.yAxis.getPercent(range.yl);
range.yr = model.yAxis.getPercent(range.yr);
if (model.yAxisR) {
rangeR.yl = model.yAxisR.getPercent(rangeR.yl);
rangeR.yr = model.yAxisR.getPercent(rangeR.yr);
}
}
var focus = {
xl : model.userFocus.xl,
xr : model.userFocus.xr,
yl : model.userFocus.yl,
yr : model.userFocus.yr,
yl_r : model.yAxisR !== null ? model.userFocus.yl_r : model.userFocus.yl,
yr_r : model.yAxisR !== null ? model.userFocus.yr_r : model.userFocus.yr
};
if (focus.xl == null) {
focus.xl = this.minus(range.xl, this.mult(range.xspan, margin.left));
}
if (focus.xr == null) {
focus.xr = this.plus(range.xr, this.mult(range.xspan, margin.right));
}
if (focus.xl instanceof Big) {
focus.xl = parseFloat(focus.xl.toString());
}
if (focus.xr instanceof Big) {
focus.xr = parseFloat(focus.xr.toString());
}
if (focus.yl == null) {
if (model.yIncludeZero === true) {
var yl = model.vrange.yspan * range.yl + model.vrange.yl;
if(yl > 0){
range.yl = (0 - model.vrange.yl) / model.vrange.yspan;
range.yspan = range.yr - range.yl;
}
}
focus.yl = range.yl - range.yspan * margin.bottom;
}
if (focus.yr == null) {
focus.yr = range.yr + range.yspan * margin.top;
}
if (focus.yl_r == null) {
if (model.yIncludeZero === true && model.vrangeR) {
var yl_r = model.vrangeR.yspan * rangeR.yl + model.vrangeR.yl;
if(yl_r > 0){
rangeR.yl = (0 - model.vrangeR.yl) / model.vrangeR.yspan;
rangeR.yspan = rangeR.yr - rangeR.yl;
}
}
focus.yl_r = rangeR.yl - rangeR.yspan * (_.isNumber(margin.bottom_r) ? margin.bottom_r : 0);
}
if (focus.yr_r == null) {
focus.yr_r = rangeR.yr + rangeR.yspan * (_.isNumber(margin.top_r) ? margin.top_r : 0);
}
focus.xspan = focus.xr - focus.xl;
focus.yspan = focus.yr - focus.yl;
focus.yspan_r = focus.yr_r - focus.yl_r;
var result = {};
result.defaultFocus = focus;
_.extend(result, _.omit(ret, "datarange"));
return result;
},
safeWidth: function(e){
return bkHelper.isChrome ? this.getComputedStyle(e, 'width') : e.width();
},
safeHeight: function(e){
return bkHelper.isChrome ? this.getComputedStyle(e, 'height') : e.height();
},
getComputedStyle: function(e, style, defaultValue) {
if (!e || e.length === 0)
return null;
defaultValue = defaultValue || 0;
var getValue = function(e){
var value = window.getComputedStyle(e.get()[0], null).getPropertyValue(style).match(/\d+/);
if (!value || value.length === 0 )
return '';
return value[0];
};
var hiddenParent = e.parents(".ng-hide:first");
var value;
if (hiddenParent.length === 0) {
value = getValue(e);
}else{
hiddenParent.removeClass("ng-hide");
value = getValue(e);
hiddenParent.addClass("ng-hide");
}
return parseInt(value) || defaultValue;
},
plotGridlines: function(scope) {
var sel = scope.gridg.selectAll("line");
sel.data(scope.rpipeGridlines, function(d) { return d.id; }).exit().remove();
sel.data(scope.rpipeGridlines, function(d) { return d.id; }).enter().append("line")
.attr("id", function(d) { return d.id; })
.attr("class", function(d) { return d.class; })
.attr("x1", function(d) { return d.x1; })
.attr("x2", function(d) { return d.x2; })
.attr("y1", function(d) { return d.y1; })
.attr("y2", function(d) { return d.y2; })
.style("stroke", function(d) { return d.stroke; })
.style("stroke-dasharray", function(d) { return d.stroke_dasharray; });
sel.data(scope.rpipeGridlines, function(d) { return d.id; })
.attr("x1", function(d) { return d.x1; })
.attr("x2", function(d) { return d.x2; })
.attr("y1", function(d) { return d.y1; })
.attr("y2", function(d) { return d.y2; });
},
plotTicks: function(scope){
scope.labelg.selectAll("line").remove();
scope.labelg.selectAll("line")
.data(scope.rpipeTicks, function(d) { return d.id; }).enter().append("line")
.attr("id", function(d) { return d.id; })
.attr("class", function(d) { return d.class; })
.attr("x1", function(d) { return d.x1; })
.attr("x2", function(d) { return d.x2; })
.attr("y1", function(d) { return d.y1; })
.attr("y2", function(d) { return d.y2; });
},
plotLabels: function(scope) { // redraw
var pipe = scope.rpipeTexts;
scope.labelg.selectAll("text").remove();
scope.labelg.selectAll("text")
.data(pipe, function(d) { return d.id; }).enter().append("text")
.attr("id", function(d) { return d.id; })
.attr("class", function(d) { return d.class; })
.attr("x", function(d) { return d.x; })
.attr("y", function(d) { return d.y; })
.attr("transform", function(d) { return d.transform; })
.style("text-anchor", function(d) { return d["text-anchor"]; })
.style("dominant-baseline", function(d) { return d["dominant-baseline"]; })
.text(function(d) { return d.text; });
},
upper_bound: function(a, attr, val) {
var l = 0, r = a.length - 1;
while (l <= r) {
var m = Math.floor((l + r) / 2);
if (a[m][attr] >= val) r = m - 1;
else l = m + 1;
}
return r;
},
rangeAssert : function(list) {
_.each(list, function(e, i){
if (Math.abs(e) > 1E6) {
console.error("data not shown due to too large coordinate");
return true;
}
});
return false;
},
replotSingleRect: function(svgElement, d) {
svgElement.selectAll("#" + d.id).remove();
svgElement.selectAll("#" + d.id)
.data([d]).enter().append("rect")
.attr("id", function(d) { return d.id; })
.attr("class", function(d) { return d.class; })
.attr("x", function(d) { return d.x; })
.attr("y", function(d) { return d.y; })
.attr("width", function(d) { return d.width; })
.attr("height", function(d) { return d.height; })
.style("fill", function(d) { return d.fill; });
},
getTipStringPercent : function(pct, axis, fixed) {
var val = axis.getValue(pct);
if (axis.axisType === "log") {
val = axis.axisPow(pct);
return this.getTipString(val, axis, fixed) + " (" + axis.getString(pct) + ")";
}
return this.getTipString(val, axis, fixed);
},
getTipString : function(val, axis, fixed) {
if (axis.axisType === "time") {
return bkUtils.formatTimestamp(val, axis.axisTimezone, "YYYY MMM DD ddd, HH:mm:ss .SSS");
}
if (axis.axisType === "nanotime") {
var d = parseFloat(val.div(1000000).toFixed(0));
var nanosec = val.mod(1000000000).toFixed(0);
return bkUtils.formatTimestamp(d, axis.axisTimezone, "YYYY MMM DD ddd, HH:mm:ss") + "." + plotUtils.padStr(nanosec, 9);
}
if (typeof(val) === "number") {
if (fixed === true) {
// do nothing, keep full val
} else if (typeof(fixed) === "number"){
val = val.toFixed(fixed);
} else {
val = val.toFixed(axis.axisFixed);
}
}
return "" + val;
},
createTipString : function(obj) {
var txt = "";
_.each(obj, function(value, key) {
if (key == "title") {
txt += "<div style='font-weight:bold'>";
} else {
txt += "<div>";
txt += key + ": ";
}
txt += value;
txt += "</div>";
});
return txt;
},
colorToHex: function(color) {
var colors = {
"aliceblue" : "#f0f8ff",
"antiquewhite" : "#faebd7",
"aqua" : "#00ffff",
"aquamarine" : "#7fffd4",
"azure" : "#f0ffff",
"beige" : "#f5f5dc",
"bisque" : "#ffe4c4",
"black" : "#000000",
"blanchedalmond" : "#ffebcd",
"blue" : "#0000ff",
"blueviolet" : "#8a2be2",
"brown" : "#a52a2a",
"burlywood" : "#deb887",
"cadetblue" : "#5f9ea0",
"chartreuse" : "#7fff00",
"chocolate" : "#d2691e",
"coral" : "#ff7f50",
"cornflowerblue" : "#6495ed",
"cornsilk" : "#fff8dc",
"crimson" : "#dc143c",
"cyan" : "#00ffff",
"darkblue" : "#00008b",
"darkcyan" : "#008b8b",
"darkgoldenrod" : "#b8860b",
"darkgray" : "#a9a9a9",
"darkgreen" : "#006400",
"darkkhaki" : "#bdb76b",
"darkmagenta" : "#8b008b",
"darkolivegreen" : "#556b2f",
"darkorange" : "#ff8c00",
"darkorchid" : "#9932cc",
"darkred" : "#8b0000",
"darksalmon" : "#e9967a",
"darkseagreen" : "#8fbc8f",
"darkslateblue" : "#483d8b",
"darkslategray" : "#2f4f4f",
"darkturquoise" : "#00ced1",
"darkviolet" : "#9400d3",
"deeppink" : "#ff1493",
"deepskyblue" : "#00bfff",
"dimgray" : "#696969",
"dodgerblue" : "#1e90ff",
"firebrick" : "#b22222",
"floralwhite" : "#fffaf0",
"forestgreen" : "#228b22",
"fuchsia" : "#ff00ff",
"gainsboro" : "#dcdcdc",
"ghostwhite" : "#f8f8ff",
"gold" : "#ffd700",
"goldenrod" : "#daa520",
"gray" : "#808080",
"green" : "#008000",
"greenyellow" : "#adff2f",
"honeydew" : "#f0fff0",
"hotpink" : "#ff69b4",
"indianred " : "#cd5c5c",
"indigo" : "#4b0082",
"ivory" : "#fffff0",
"khaki" : "#f0e68c",
"lavender" : "#e6e6fa",
"lavenderblush" : "#fff0f5",
"lawngreen" : "#7cfc00",
"lemonchiffon" : "#fffacd",
"lightblue" : "#add8e6",
"lightcoral" : "#f08080",
"lightcyan" : "#e0ffff",
"lightgoldenrodyellow" : "#fafad2",
"lightgrey" : "#d3d3d3",
"lightgreen" : "#90ee90",
"lightpink" : "#ffb6c1",
"lightsalmon" : "#ffa07a",
"lightseagreen" : "#20b2aa",
"lightskyblue" : "#87cefa",
"lightslategray" : "#778899",
"lightsteelblue" : "#b0c4de",
"lightyellow" : "#ffffe0",
"lime" : "#00ff00",
"limegreen" : "#32cd32",
"linen" : "#faf0e6",
"magenta" : "#ff00ff",
"maroon" : "#800000",
"mediumaquamarine" : "#66cdaa",
"mediumblue" : "#0000cd",
"mediumorchid" : "#ba55d3",
"mediumpurple" : "#9370d8",
"mediumseagreen" : "#3cb371",
"mediumslateblue" : "#7b68ee",
"mediumspringgreen" : "#00fa9a",
"mediumturquoise" : "#48d1cc",
"mediumvioletred" : "#c71585",
"midnightblue" : "#191970",
"mintcream" : "#f5fffa",
"mistyrose" : "#ffe4e1",
"moccasin" : "#ffe4b5",
"navajowhite" : "#ffdead",
"navy" : "#000080",
"oldlace" : "#fdf5e6",
"olive" : "#808000",
"olivedrab" : "#6b8e23",
"orange" : "#ffa500",
"orangered" : "#ff4500",
"orchid" : "#da70d6",
"palegoldenrod" : "#eee8aa",
"palegreen" : "#98fb98",
"paleturquoise" : "#afeeee",
"palevioletred" : "#d87093",
"papayawhip" : "#ffefd5",
"peachpuff" : "#ffdab9",
"peru" : "#cd853f",
"pink" : "#ffc0cb",
"plum" : "#dda0dd",
"powderblue" : "#b0e0e6",
"purple" : "#800080",
"red" : "#ff0000",
"rosybrown" : "#bc8f8f",
"royalblue" : "#4169e1",
"saddlebrown" : "#8b4513",
"salmon" : "#fa8072",
"sandybrown" : "#f4a460",
"seagreen" : "#2e8b57",
"seashell" : "#fff5ee",
"sienna" : "#a0522d",
"silver" : "#c0c0c0",
"skyblue" : "#87ceeb",
"slateblue" : "#6a5acd",
"slategray" : "#708090",
"snow" : "#fffafa",
"springgreen" : "#00ff7f",
"steelblue" : "#4682b4",
"tan" : "#d2b48c",
"teal" : "#008080",
"thistle" : "#d8bfd8",
"tomato" : "#ff6347",
"turquoise" : "#40e0d0",
"violet" : "#ee82ee",
"wheat" : "#f5deb3",
"white" : "#ffffff",
"whitesmoke" : "#f5f5f5",
"yellow" : "#ffff00",
"yellowgreen" : "#9acd32"
};
if (typeof colors[color.toLowerCase()] != null)
return colors[color.toLowerCase()];
return null;
},
randomString: function(len) {
var ret = "";
var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
for (var i = 0; i < len; i++ ) {
ret += chars.charAt(Math.floor(Math.random() * chars.length));
}
return ret;
},
convertInfinityValue: function (value) {
if(value === "Infinity"){
return Infinity;
}
if(value === "-Infinity"){
return -Infinity;
}
return value;
},
getHighlightDuration: function() {
return 100;
},
getHighlightedDiff: function(highlighted) {
return highlighted ? 2 : 0;
},
getHighlightedSize: function(size, highlighted) {
var newSize = size + this.getHighlightedDiff(highlighted);
return newSize.toString();
},
histogram: function () {
var rightClose = false, binCount, rangeMin, rangeMax;
var calcRange = function (values) {
if (rangeMin !== undefined && rangeMax !== undefined) {
return [rangeMin, rangeMax];
} else if (rangeMin !== undefined) {
return [rangeMin, d3.max(values)];
} else if (rangeMax !== undefined) {
return [d3.min(values), rangeMax];
}
return [d3.min(values), d3.max(values)];
};
var calcThresholds = function (range, values) {
var n = binCount !== undefined ?
binCount :
Math.ceil(Math.log(values.length) / Math.LN2 + 1);
var x = -1, b = +range[0], m = (range[1] - b) / n, f = [];
while (++x <= n) f[x] = m * x + b;
if (rightClose) {
f.splice(0, 0, range[0] - m);
}
return f;
};
function histogram(data) {
var bins = [],
values = data.map(Number, this),
range = calcRange(values),
thresholds = calcThresholds(range, values),
bin, i = -1,
n = values.length,
m = thresholds.length - 1,
k = 1,
x;
while (++i < m) {
bin = bins[i] = [];
bin.dx = thresholds[i + 1] - (bin.x = thresholds[i]);
bin.y = 0;
}
if (m > 0) {
i = -1;
while (++i < n) {
x = values[i];
if (x >= range[0] && x <= range[1]) {
bin = rightClose ?
bins[d3.bisectLeft(thresholds, x, 1, m) - 1] :
bins[d3.bisect(thresholds, x, 1, m) - 1];
bin.y += k;
bin.push(data[i]);
}
}
}
return bins;
}
histogram.rangeMin = function (x) {
rangeMin = x;
return histogram;
};
histogram.rangeMax = function (x) {
rangeMax = x;
return histogram;
};
histogram.binCount = function (x) {
binCount = x;
return histogram;
};
histogram.rightClose = function (x) {
rightClose = x;
return histogram;
};
return histogram;
},
createNiceColor: function (n) {
var hue = n * 157.5 / 360;
var saturation = 0.75 + Math.cos(n) / 4;
var value = 7/8 + Math.cos(n/5.1) / 8;
var rgb = this.hsvToRgb(hue, saturation, value);
return bkUtils.rgbaToHex(rgb[0], rgb[1], rgb[2]);
},
//http://axonflux.com/handy-rgb-to-hsl-and-rgb-to-hsv-color-model-c
hsvToRgb : function(h,s,v){
var r, g, b;
var i = Math.floor(h * 6);
var f = h * 6 - i;
var p = v * (1 - s);
var q = v * (1 - f * s);
var t = v * (1 - (1 - f) * s);
switch(i % 6){
case 0: r = v, g = t, b = p; break;
case 1: r = q, g = v, b = p; break;
case 2: r = p, g = v, b = t; break;
case 3: r = p, g = q, b = v; break;
case 4: r = t, g = p, b = v; break;
case 5: r = v, g = p, b = q; break;
}
return [r * 255, g * 255, b * 255];
},
getActionObject: function (plotType, e, subplotIndex) {
var actionObject = {};
if (plotType === "CategoryPlot") {
if(e.ele != null){
actionObject.category = e.ele.category;
actionObject.series = e.ele.series;
actionObject.type = "CategoryGraphicsActionObject";
}
} else {
if(plotType === "CombinedPlot") {
actionObject.subplotIndex = subplotIndex;
actionObject.type = "CombinedPlotActionObject";
} else {
actionObject.type = "XYGraphicsActionObject";
}
if(e.ele != null){
actionObject.index = e.ele.index;
}
}
return actionObject;
},
getActualCss: function(jqelement, jqFunction, jqFunctionParams) {
//to get actual size/position/etc values of hidden elements
var value;
if (jqelement.is(":visible")) {
value = jqFunctionParams != null ? jqelement[jqFunction](jqFunctionParams) : jqelement[jqFunction]();
} else {
var hiddenParent = jqelement.parents(".ng-hide:first");
hiddenParent.removeClass("ng-hide");
value = jqFunctionParams != null ? jqelement[jqFunction](jqFunctionParams) : jqelement[jqFunction]();
hiddenParent.addClass("ng-hide");
}
return value;
},
outerWidth: function (e, includeMargin) {
if (!e || e.length === 0)
return null;
return this.getComputedStyle(e, 'width')
+ this.getComputedStyle(e, 'padding-left') + this.getComputedStyle(e, 'padding-right')
+ this.getComputedStyle(e, 'border-left') + this.getComputedStyle(e, 'border-right')
+ ((includeMargin === true ) ? this.getComputedStyle(e, 'margin-left') + this.getComputedStyle(e, 'margin-right') : 0);
},
outerHeight: function (e, includeMargin) {
if (!e || e.length === 0)
return null;
return this.getComputedStyle(e, 'height')
+ this.getComputedStyle(e, 'padding-top') + this.getComputedStyle(e, 'padding-bottom')
+ this.getComputedStyle(e, 'border-top') + this.getComputedStyle(e, 'border-bottom')
+ ((includeMargin === true ) ? this.getComputedStyle(e, 'margin-top') + this.getComputedStyle(e, 'margin-bottom') : 0);
},
translate: function(jqelement, x, y) {
var getNumber = function(str) {
return parseFloat(str.substring(0, str.length - 2));
};
var transform = jqelement.css('transform');
var elementTranslate = {x: 0, y: 0};
if (transform && transform.indexOf("translate") != -1) {
var translate = transform.match(/translate(.*)/)[1].substring(1);
var translateValues = translate.substring(0, translate.indexOf(')')).split(", ");
elementTranslate.x = getNumber(translateValues[0]);
elementTranslate.y = getNumber(translateValues[1]);
}
jqelement.css("transform", "translate(" + (elementTranslate.x + x) + "px, " + (elementTranslate.y + y) + "px)")
},
translateChildren: function(element, x, y) {
for (var j = 0; j < element.childElementCount; j++) {
var child = element.children[j];
if (child.nodeName.toLowerCase() !== 'defs') {
this.translate($(child), x, y);
}
}
},
addTitleToSvg: function(svg, jqtitle, titleSize) {
var title = jqtitle.clone();
title.find('style').remove();
d3.select(svg).insert("text", "g")
.attr("id", jqtitle.attr("id"))
.attr("class", jqtitle.attr("class"))
.attr("x", titleSize.width / 2)
.attr("y", titleSize.height)
.style("text-anchor", "middle")
.text(title.text());
title.remove();
},
adjustStyleForSvg: function(styleString) {
var colorArr = styleString.match(/color:(.*)\;/g);
if (colorArr && colorArr.length) {
var fill = colorArr[0].replace('color:', 'fill:');
styleString += fill;
}
return styleString;
},
drawPng: function(canvas, imgsrc, fileName) {
var download = this.download;
var context = canvas.getContext("2d");
var image = new Image;
image.onload = function() {
context.drawImage(image, 0, 0, canvas.width, canvas.height);
download(canvas.toDataURL("image/png"), fileName);
context.clearRect(0, 0, canvas.width, canvas.height);
image.remove();
};
image.src = imgsrc;
},
addInlineStyles: function(element, extraStyles) {
var styleEl = document.createElement('style');
styleEl.setAttribute('type', 'text/css');
var elementStyles = this.getElementStyles(element);
var extraStylesCss = '';
if(extraStyles) {
extraStylesCss = extraStyles.join('\n');
}
styleEl.innerHTML = '<![CDATA[\n' + elementStyles + '\n' + extraStylesCss + '\n]]>';
var defsEl = document.createElement('defs');
defsEl.appendChild(styleEl);
element.insertBefore(defsEl, element.firstChild);
},
addInlineFonts: function(element) {
var styleEl = document.createElement('style');
styleEl.setAttribute('type', 'text/css');
var fontFace = '';
fontFace += this.getFontToInject({
fontFamily: 'Lato',
urlformats: [{
base64: require('./../shared/fonts/lato/Lato-Regular.woff'),
format: 'woff'
}],
fontWeight: 'normal',
fontStyle: 'normal'
});
fontFace += this.getFontToInject({
fontFamily: 'Lato',
urlformats: [{
base64: require('./../shared/fonts/lato/Lato-Black.woff'),
format: 'woff'
}],
fontWeight: 'bold',
fontStyle: 'normal'
});
styleEl.innerHTML = '<![CDATA[\n' + fontFace + '\n]]>';
var defsEl = document.createElement('defs');
defsEl.appendChild(styleEl);
element.insertBefore(defsEl, element.firstChild);
},
getElementStyles: function(element) {
var elementStyles = "";
var styleSheets = document.styleSheets;
for (var i = 0; i < styleSheets.length; i++) {
var cssRules = styleSheets[i].cssRules || [];
for (var j = 0; j < cssRules.length; j++) {
var cssRule = cssRules[j];
if (cssRule && cssRule.style) {
try {
var childElements = element.querySelectorAll(cssRule.selectorText);
if (childElements.length > 0 || element.matches(cssRule.selectorText)) {
elementStyles += cssRule.selectorText + " { " + cssRule.style.cssText + " }\n";
}
} catch (err) {
//just ignore errors
//http://bugs.jquery.com/ticket/13881#comment:1
}
}
}
}
return elementStyles;
},
getFontToInject: function(font) {
var src = '';
font.urlformats.forEach(function(fontDef) {
src += "url('"+ fontDef.base64 + "')";
});
src = src.replace(/,\s*$/, "");
return '@font-face' + " { " +
"font-family: '" + font.fontFamily + "';" +
"src: " + src + ";" +
"font-weight: " + font.fontWeight + ";" +
"font-style: " + font.fontStyle + ";" +
" }\n";
},
getFileSynchronously: function(file) {
var xhr = new XMLHttpRequest();
xhr.open("GET", file, false);
xhr.overrideMimeType("text/plain; charset=x-user-defined");
xhr.send(null);
return xhr.responseText;
},
convertToXHTML: function (html) {
var doc = document.implementation.createHTMLDocument('');
doc.documentElement.setAttribute('xmlns', doc.documentElement.namespaceURI);
doc.write(html);
return (new XMLSerializer).serializeToString(doc.body.firstChild);
},
download: function(url, fileName) {
var a = document.createElement('a');
a.href = url;
a.download = fileName;
fireClickEvent(a);