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index.js
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'use strict';
var d3 = require('@plotly/d3');
var isNumeric = require('fast-isnumeric');
var tinycolor = require('tinycolor2');
var Registry = require('../../registry');
var Color = require('../color');
var Colorscale = require('../colorscale');
var Lib = require('../../lib');
var strTranslate = Lib.strTranslate;
var svgTextUtils = require('../../lib/svg_text_utils');
var xmlnsNamespaces = require('../../constants/xmlns_namespaces');
var alignment = require('../../constants/alignment');
var LINE_SPACING = alignment.LINE_SPACING;
var DESELECTDIM = require('../../constants/interactions').DESELECTDIM;
var subTypes = require('../../traces/scatter/subtypes');
var makeBubbleSizeFn = require('../../traces/scatter/make_bubble_size_func');
var appendArrayPointValue = require('../../components/fx/helpers').appendArrayPointValue;
var drawing = module.exports = {};
// -----------------------------------------------------
// styling functions for plot elements
// -----------------------------------------------------
drawing.font = function(s, family, size, color) {
// also allow the form font(s, {family, size, color})
if(Lib.isPlainObject(family)) {
color = family.color;
size = family.size;
family = family.family;
}
if(family) s.style('font-family', family);
if(size + 1) s.style('font-size', size + 'px');
if(color) s.call(Color.fill, color);
};
/*
* Positioning helpers
* Note: do not use `setPosition` with <text> nodes modified by
* `svgTextUtils.convertToTspans`. Use `svgTextUtils.positionText`
* instead, so that <tspan.line> elements get updated to match.
*/
drawing.setPosition = function(s, x, y) { s.attr('x', x).attr('y', y); };
drawing.setSize = function(s, w, h) { s.attr('width', w).attr('height', h); };
drawing.setRect = function(s, x, y, w, h) {
s.call(drawing.setPosition, x, y).call(drawing.setSize, w, h);
};
/** Translate node
*
* @param {object} d : calcdata point item
* @param {sel} sel : d3 selction of node to translate
* @param {object} xa : corresponding full xaxis object
* @param {object} ya : corresponding full yaxis object
*
* @return {boolean} :
* true if selection got translated
* false if selection could not get translated
*/
drawing.translatePoint = function(d, sel, xa, ya) {
var x = xa.c2p(d.x);
var y = ya.c2p(d.y);
if(isNumeric(x) && isNumeric(y) && sel.node()) {
// for multiline text this works better
if(sel.node().nodeName === 'text') {
sel.attr('x', x).attr('y', y);
} else {
sel.attr('transform', strTranslate(x, y));
}
} else {
return false;
}
return true;
};
drawing.translatePoints = function(s, xa, ya) {
s.each(function(d) {
var sel = d3.select(this);
drawing.translatePoint(d, sel, xa, ya);
});
};
drawing.hideOutsideRangePoint = function(d, sel, xa, ya, xcalendar, ycalendar) {
sel.attr(
'display',
(xa.isPtWithinRange(d, xcalendar) && ya.isPtWithinRange(d, ycalendar)) ? null : 'none'
);
};
drawing.hideOutsideRangePoints = function(traceGroups, subplot) {
if(!subplot._hasClipOnAxisFalse) return;
var xa = subplot.xaxis;
var ya = subplot.yaxis;
traceGroups.each(function(d) {
var trace = d[0].trace;
var xcalendar = trace.xcalendar;
var ycalendar = trace.ycalendar;
var selector = Registry.traceIs(trace, 'bar-like') ? '.bartext' : '.point,.textpoint';
traceGroups.selectAll(selector).each(function(d) {
drawing.hideOutsideRangePoint(d, d3.select(this), xa, ya, xcalendar, ycalendar);
});
});
};
drawing.crispRound = function(gd, lineWidth, dflt) {
// for lines that disable antialiasing we want to
// make sure the width is an integer, and at least 1 if it's nonzero
if(!lineWidth || !isNumeric(lineWidth)) return dflt || 0;
// but not for static plots - these don't get antialiased anyway.
if(gd._context.staticPlot) return lineWidth;
if(lineWidth < 1) return 1;
return Math.round(lineWidth);
};
drawing.singleLineStyle = function(d, s, lw, lc, ld) {
s.style('fill', 'none');
var line = (((d || [])[0] || {}).trace || {}).line || {};
var lw1 = lw || line.width || 0;
var dash = ld || line.dash || '';
Color.stroke(s, lc || line.color);
drawing.dashLine(s, dash, lw1);
};
drawing.lineGroupStyle = function(s, lw, lc, ld) {
s.style('fill', 'none')
.each(function(d) {
var line = (((d || [])[0] || {}).trace || {}).line || {};
var lw1 = lw || line.width || 0;
var dash = ld || line.dash || '';
d3.select(this)
.call(Color.stroke, lc || line.color)
.call(drawing.dashLine, dash, lw1);
});
};
drawing.dashLine = function(s, dash, lineWidth) {
lineWidth = +lineWidth || 0;
dash = drawing.dashStyle(dash, lineWidth);
s.style({
'stroke-dasharray': dash,
'stroke-width': lineWidth + 'px'
});
};
drawing.dashStyle = function(dash, lineWidth) {
lineWidth = +lineWidth || 1;
var dlw = Math.max(lineWidth, 3);
if(dash === 'solid') dash = '';
else if(dash === 'dot') dash = dlw + 'px,' + dlw + 'px';
else if(dash === 'dash') dash = (3 * dlw) + 'px,' + (3 * dlw) + 'px';
else if(dash === 'longdash') dash = (5 * dlw) + 'px,' + (5 * dlw) + 'px';
else if(dash === 'dashdot') {
dash = (3 * dlw) + 'px,' + dlw + 'px,' + dlw + 'px,' + dlw + 'px';
} else if(dash === 'longdashdot') {
dash = (5 * dlw) + 'px,' + (2 * dlw) + 'px,' + dlw + 'px,' + (2 * dlw) + 'px';
}
// otherwise user wrote the dasharray themselves - leave it be
return dash;
};
// Same as fillGroupStyle, except in this case the selection may be a transition
drawing.singleFillStyle = function(sel) {
var node = d3.select(sel.node());
var data = node.data();
var fillcolor = (((data[0] || [])[0] || {}).trace || {}).fillcolor;
if(fillcolor) {
sel.call(Color.fill, fillcolor);
}
};
drawing.fillGroupStyle = function(s) {
s.style('stroke-width', 0)
.each(function(d) {
var shape = d3.select(this);
// N.B. 'd' won't be a calcdata item when
// fill !== 'none' on a segment-less and marker-less trace
if(d[0].trace) {
shape.call(Color.fill, d[0].trace.fillcolor);
}
});
};
var SYMBOLDEFS = require('./symbol_defs');
drawing.symbolNames = [];
drawing.symbolFuncs = [];
drawing.symbolNeedLines = {};
drawing.symbolNoDot = {};
drawing.symbolNoFill = {};
drawing.symbolList = [];
Object.keys(SYMBOLDEFS).forEach(function(k) {
var symDef = SYMBOLDEFS[k];
var n = symDef.n;
drawing.symbolList.push(
n,
String(n),
k,
n + 100,
String(n + 100),
k + '-open'
);
drawing.symbolNames[n] = k;
drawing.symbolFuncs[n] = symDef.f;
if(symDef.needLine) {
drawing.symbolNeedLines[n] = true;
}
if(symDef.noDot) {
drawing.symbolNoDot[n] = true;
} else {
drawing.symbolList.push(
n + 200,
String(n + 200),
k + '-dot',
n + 300,
String(n + 300),
k + '-open-dot'
);
}
if(symDef.noFill) {
drawing.symbolNoFill[n] = true;
}
});
var MAXSYMBOL = drawing.symbolNames.length;
// add a dot in the middle of the symbol
var DOTPATH = 'M0,0.5L0.5,0L0,-0.5L-0.5,0Z';
drawing.symbolNumber = function(v) {
if(isNumeric(v)) {
v = +v;
} else if(typeof v === 'string') {
var vbase = 0;
if(v.indexOf('-open') > 0) {
vbase = 100;
v = v.replace('-open', '');
}
if(v.indexOf('-dot') > 0) {
vbase += 200;
v = v.replace('-dot', '');
}
v = drawing.symbolNames.indexOf(v);
if(v >= 0) { v += vbase; }
}
return (v % 100 >= MAXSYMBOL || v >= 400) ?
0 : Math.floor(Math.max(v, 0));
};
function makePointPath(symbolNumber, r) {
var base = symbolNumber % 100;
return drawing.symbolFuncs[base](r) + (symbolNumber >= 200 ? DOTPATH : '');
}
var HORZGRADIENT = {x1: 1, x2: 0, y1: 0, y2: 0};
var VERTGRADIENT = {x1: 0, x2: 0, y1: 1, y2: 0};
var stopFormatter = d3.format('~.1f');
var gradientInfo = {
radial: {node: 'radialGradient'},
radialreversed: {node: 'radialGradient', reversed: true},
horizontal: {node: 'linearGradient', attrs: HORZGRADIENT},
horizontalreversed: {node: 'linearGradient', attrs: HORZGRADIENT, reversed: true},
vertical: {node: 'linearGradient', attrs: VERTGRADIENT},
verticalreversed: {node: 'linearGradient', attrs: VERTGRADIENT, reversed: true}
};
/**
* gradient: create and apply a gradient fill
*
* @param {object} sel: d3 selection to apply this gradient to
* You can use `selection.call(Drawing.gradient, ...)`
* @param {DOM element} gd: the graph div `sel` is part of
* @param {string} gradientID: a unique (within this plot) identifier
* for this gradient, so that we don't create unnecessary definitions
* @param {string} type: 'radial', 'horizontal', or 'vertical', optionally with
* 'reversed' at the end. Normally radial goes center to edge,
* horizontal goes right to left, and vertical goes bottom to top
* @param {array} colorscale: as in attribute values, [[fraction, color], ...]
* @param {string} prop: the property to apply to, 'fill' or 'stroke'
*/
drawing.gradient = function(sel, gd, gradientID, type, colorscale, prop) {
var len = colorscale.length;
var info = gradientInfo[type];
var colorStops = new Array(len);
for(var i = 0; i < len; i++) {
if(info.reversed) {
colorStops[len - 1 - i] = [stopFormatter((1 - colorscale[i][0]) * 100), colorscale[i][1]];
} else {
colorStops[i] = [stopFormatter(colorscale[i][0] * 100), colorscale[i][1]];
}
}
var fullLayout = gd._fullLayout;
var fullID = 'g' + fullLayout._uid + '-' + gradientID;
var gradient = fullLayout._defs.select('.gradients')
.selectAll('#' + fullID)
.data([type + colorStops.join(';')], Lib.identity);
gradient.exit().remove();
gradient.enter()
.append(info.node)
.each(function() {
var el = d3.select(this);
if(info.attrs) el.attr(info.attrs);
el.attr('id', fullID);
var stops = el.selectAll('stop')
.data(colorStops);
stops.exit().remove();
stops.enter().append('stop');
stops.each(function(d) {
var tc = tinycolor(d[1]);
d3.select(this).attr({
offset: d[0] + '%',
'stop-color': Color.tinyRGB(tc),
'stop-opacity': tc.getAlpha()
});
});
});
sel.style(prop, getFullUrl(fullID, gd))
.style(prop + '-opacity', null);
var className2query = function(s) {
return '.' + s.attr('class').replace(/\s/g, '.');
};
var k = className2query(d3.select(sel.node().parentNode)) +
'>' + className2query(sel);
fullLayout._gradientUrlQueryParts[k] = 1;
};
/**
* pattern: create and apply a pattern fill
*
* @param {object} sel: d3 selection to apply this pattern to
* You can use `selection.call(Drawing.pattern, ...)`
* @param {DOM element} gd: the graph div `sel` is part of
* @param {string} patternID: a unique (within this plot) identifier
* for this pattern, so that we don't create unnecessary definitions
* @param {number} size: size of unit squares for repetition of this pattern
* @param {number} solidity: how solid lines of this pattern are
* @param {string} mcc: color when painted with colorscale
* @param {string} fillmode: fillmode for this pattern
* @param {string} bgcolor: background color for this pattern
* @param {string} fgcolor: foreground color for this pattern
* @param {number} fgopacity: foreground opacity for this pattern
*/
drawing.pattern = function(sel, gd, patternID, shape, size, solidity, mcc, fillmode, bgcolor, fgcolor, fgopacity) {
if(mcc) {
if(fillmode === 'overlay') {
bgcolor = mcc;
fgcolor = Color.contrast(bgcolor);
} else {
bgcolor = undefined;
fgcolor = mcc;
}
}
var fullLayout = gd._fullLayout;
var fullID = 'p' + fullLayout._uid + '-' + patternID;
var width, height;
// linear interpolation
var linearFn = function(x, x0, x1, y0, y1) {
return y0 + (y1 - y0) * (x - x0) / (x1 - x0);
};
var path, linewidth, radius;
var patternTag;
var patternAttrs = {};
switch(shape) {
case '/':
width = size * Math.sqrt(2);
height = size * Math.sqrt(2);
path = 'M-' + (width / 4) + ',' + (height / 4) + 'l' + (width / 2) + ',-' + (height / 2) +
'M0,' + height + 'L' + width + ',0' +
'M' + (width / 4 * 3) + ',' + (height / 4 * 5) + 'l' + (width / 2) + ',-' + (height / 2);
linewidth = solidity * size;
patternTag = 'path';
patternAttrs = {
'd': path,
'opacity': fgopacity,
'stroke': fgcolor,
'stroke-width': linewidth + 'px'
};
break;
case '\\':
width = size * Math.sqrt(2);
height = size * Math.sqrt(2);
path = 'M' + (width / 4 * 3) + ',-' + (height / 4) + 'l' + (width / 2) + ',' + (height / 2) +
'M0,0L' + width + ',' + height +
'M-' + (width / 4) + ',' + (height / 4 * 3) + 'l' + (width / 2) + ',' + (height / 2);
linewidth = solidity * size;
patternTag = 'path';
patternAttrs = {
'd': path,
'opacity': fgopacity,
'stroke': fgcolor,
'stroke-width': linewidth + 'px'
};
break;
case 'x':
width = size * Math.sqrt(2);
height = size * Math.sqrt(2);
path = 'M-' + (width / 4) + ',' + (height / 4) + 'l' + (width / 2) + ',-' + (height / 2) +
'M0,' + height + 'L' + width + ',0' +
'M' + (width / 4 * 3) + ',' + (height / 4 * 5) + 'l' + (width / 2) + ',-' + (height / 2) +
'M' + (width / 4 * 3) + ',-' + (height / 4) + 'l' + (width / 2) + ',' + (height / 2) +
'M0,0L' + width + ',' + height +
'M-' + (width / 4) + ',' + (height / 4 * 3) + 'l' + (width / 2) + ',' + (height / 2);
linewidth = size - size * Math.sqrt(1.0 - solidity);
patternTag = 'path';
patternAttrs = {
'd': path,
'opacity': fgopacity,
'stroke': fgcolor,
'stroke-width': linewidth + 'px'
};
break;
case '|':
width = size;
height = size;
patternTag = 'path';
path = 'M' + (width / 2) + ',0L' + (width / 2) + ',' + height;
linewidth = solidity * size;
patternTag = 'path';
patternAttrs = {
'd': path,
'opacity': fgopacity,
'stroke': fgcolor,
'stroke-width': linewidth + 'px'
};
break;
case '-':
width = size;
height = size;
patternTag = 'path';
path = 'M0,' + (height / 2) + 'L' + width + ',' + (height / 2);
linewidth = solidity * size;
patternTag = 'path';
patternAttrs = {
'd': path,
'opacity': fgopacity,
'stroke': fgcolor,
'stroke-width': linewidth + 'px'
};
break;
case '+':
width = size;
height = size;
patternTag = 'path';
path = 'M' + (width / 2) + ',0L' + (width / 2) + ',' + height +
'M0,' + (height / 2) + 'L' + width + ',' + (height / 2);
linewidth = size - size * Math.sqrt(1.0 - solidity);
patternTag = 'path';
patternAttrs = {
'd': path,
'opacity': fgopacity,
'stroke': fgcolor,
'stroke-width': linewidth + 'px'
};
break;
case '.':
width = size;
height = size;
if(solidity < Math.PI / 4) {
radius = Math.sqrt(solidity * size * size / Math.PI);
} else {
radius = linearFn(solidity, Math.PI / 4, 1.0, size / 2, size / Math.sqrt(2));
}
patternTag = 'circle';
patternAttrs = {
'cx': width / 2,
'cy': height / 2,
'r': radius,
'opacity': fgopacity,
'fill': fgcolor
};
break;
}
var isLegend = patternID.substr(0, 6) === 'legend';
var str = [
shape || 'noSh',
bgcolor || 'noBg',
fgcolor || 'noFg',
size,
solidity
].join(';');
var pattern = fullLayout._defs.select('.patterns')
.selectAll('#' + fullID)
.data([str], Lib.identity);
pattern.exit().remove();
pattern.enter()
.append('pattern')
.each(function() {
var el = d3.select(this);
el.attr({
'id': fullID,
'width': width + 'px',
'height': height + 'px',
'patternUnits': 'userSpaceOnUse',
'patternTransform': isLegend ? 'scale(0.7)' : ''
});
if(bgcolor) {
var rects = el.selectAll('rect').data([0]);
rects.exit().remove();
rects.enter()
.append('rect')
.attr({
'width': width + 'px',
'height': height + 'px',
'fill': bgcolor
});
}
var patterns = el.selectAll(patternTag).data([0]);
patterns.exit().remove();
patterns.enter()
.append(patternTag)
.attr(patternAttrs);
});
sel.style('fill', getFullUrl(fullID, gd))
.style('fill-opacity', null);
sel.classed('pattern_filled', true);
var className2query = function(s) {
return '.' + s.attr('class').replace(/\s/g, '.');
};
var k = className2query(d3.select(sel.node().parentNode)) + '>.pattern_filled';
fullLayout._patternUrlQueryParts[k] = 1;
};
/*
* Make the gradients container and clear out any previous gradients.
* We never collect all the gradients we need in one place,
* so we can't ever remove gradients that have stopped being useful,
* except all at once before a full redraw.
* The upside of this is arbitrary points can share gradient defs
*/
drawing.initGradients = function(gd) {
var fullLayout = gd._fullLayout;
var gradientsGroup = Lib.ensureSingle(fullLayout._defs, 'g', 'gradients');
gradientsGroup.selectAll('linearGradient,radialGradient').remove();
// initialize stash of query parts filled in Drawing.gradient,
// used to fix URL strings during image exports
fullLayout._gradientUrlQueryParts = {};
};
drawing.initPatterns = function(gd) {
var fullLayout = gd._fullLayout;
var patternsGroup = Lib.ensureSingle(fullLayout._defs, 'g', 'patterns');
patternsGroup.selectAll('pattern').remove();
// initialize stash of query parts filled in Drawing.pattern,
// used to fix URL strings during image exports
fullLayout._patternUrlQueryParts = {};
};
drawing.getPatternAttr = function(mp, i, dflt) {
if(mp && Lib.isArrayOrTypedArray(mp)) {
return i < mp.length ? mp[i] : dflt;
}
return mp;
};
drawing.pointStyle = function(s, trace, gd) {
if(!s.size()) return;
var fns = drawing.makePointStyleFns(trace);
s.each(function(d) {
drawing.singlePointStyle(d, d3.select(this), trace, fns, gd);
});
};
drawing.singlePointStyle = function(d, sel, trace, fns, gd) {
var marker = trace.marker;
var markerLine = marker.line;
sel.style('opacity',
fns.selectedOpacityFn ? fns.selectedOpacityFn(d) :
(d.mo === undefined ? marker.opacity : d.mo)
);
if(fns.ms2mrc) {
var r;
// handle multi-trace graph edit case
if(d.ms === 'various' || marker.size === 'various') {
r = 3;
} else {
r = fns.ms2mrc(d.ms);
}
// store the calculated size so hover can use it
d.mrc = r;
if(fns.selectedSizeFn) {
r = d.mrc = fns.selectedSizeFn(d);
}
// turn the symbol into a sanitized number
var x = drawing.symbolNumber(d.mx || marker.symbol) || 0;
// save if this marker is open
// because that impacts how to handle colors
d.om = x % 200 >= 100;
sel.attr('d', makePointPath(x, r));
}
var perPointGradient = false;
var fillColor, lineColor, lineWidth;
// 'so' is suspected outliers, for box plots
if(d.so) {
lineWidth = markerLine.outlierwidth;
lineColor = markerLine.outliercolor;
fillColor = marker.outliercolor;
} else {
var markerLineWidth = (markerLine || {}).width;
lineWidth = (
d.mlw + 1 ||
markerLineWidth + 1 ||
// TODO: we need the latter for legends... can we get rid of it?
(d.trace ? (d.trace.marker.line || {}).width : 0) + 1
) - 1 || 0;
if('mlc' in d) lineColor = d.mlcc = fns.lineScale(d.mlc);
// weird case: array wasn't long enough to apply to every point
else if(Lib.isArrayOrTypedArray(markerLine.color)) lineColor = Color.defaultLine;
else lineColor = markerLine.color;
if(Lib.isArrayOrTypedArray(marker.color)) {
fillColor = Color.defaultLine;
perPointGradient = true;
}
if('mc' in d) {
fillColor = d.mcc = fns.markerScale(d.mc);
} else {
fillColor = marker.color || 'rgba(0,0,0,0)';
}
if(fns.selectedColorFn) {
fillColor = fns.selectedColorFn(d);
}
}
if(d.om) {
// open markers can't have zero linewidth, default to 1px,
// and use fill color as stroke color
sel.call(Color.stroke, fillColor)
.style({
'stroke-width': (lineWidth || 1) + 'px',
fill: 'none'
});
} else {
sel.style('stroke-width', (d.isBlank ? 0 : lineWidth) + 'px');
var markerGradient = marker.gradient;
var gradientType = d.mgt;
if(gradientType) perPointGradient = true;
else gradientType = markerGradient && markerGradient.type;
// for legend - arrays will propagate through here, but we don't need
// to treat it as per-point.
if(Lib.isArrayOrTypedArray(gradientType)) {
gradientType = gradientType[0];
if(!gradientInfo[gradientType]) gradientType = 0;
}
var markerPattern = marker.pattern;
var patternShape = markerPattern && drawing.getPatternAttr(markerPattern.shape, d.i, '');
if(gradientType && gradientType !== 'none') {
var gradientColor = d.mgc;
if(gradientColor) perPointGradient = true;
else gradientColor = markerGradient.color;
var gradientID = trace.uid;
if(perPointGradient) gradientID += '-' + d.i;
drawing.gradient(sel, gd, gradientID, gradientType,
[[0, gradientColor], [1, fillColor]], 'fill');
} else if(patternShape) {
var patternBGColor = drawing.getPatternAttr(markerPattern.bgcolor, d.i, null);
var patternFGColor = drawing.getPatternAttr(markerPattern.fgcolor, d.i, null);
var patternFGOpacity = drawing.getPatternAttr(markerPattern.fgopacity, d.i, 1);
var patternSize = drawing.getPatternAttr(markerPattern.size, d.i, 8);
var patternSolidity = drawing.getPatternAttr(markerPattern.solidity, d.i, 0.3);
var perPointPattern = d.mcc ||
Lib.isArrayOrTypedArray(markerPattern.shape) ||
Lib.isArrayOrTypedArray(markerPattern.bgcolor) ||
Lib.isArrayOrTypedArray(markerPattern.size) ||
Lib.isArrayOrTypedArray(markerPattern.solidity);
var patternID = trace.uid;
if(perPointPattern) patternID += '-' + d.i;
drawing.pattern(
sel, gd, patternID,
patternShape, patternSize, patternSolidity,
d.mcc, markerPattern.fillmode,
patternBGColor, patternFGColor, patternFGOpacity
);
} else {
Color.fill(sel, fillColor);
}
if(lineWidth) {
Color.stroke(sel, lineColor);
}
}
};
drawing.makePointStyleFns = function(trace) {
var out = {};
var marker = trace.marker;
// allow array marker and marker line colors to be
// scaled by given max and min to colorscales
out.markerScale = drawing.tryColorscale(marker, '');
out.lineScale = drawing.tryColorscale(marker, 'line');
if(Registry.traceIs(trace, 'symbols')) {
out.ms2mrc = subTypes.isBubble(trace) ?
makeBubbleSizeFn(trace) :
function() { return (marker.size || 6) / 2; };
}
if(trace.selectedpoints) {
Lib.extendFlat(out, drawing.makeSelectedPointStyleFns(trace));
}
return out;
};
drawing.makeSelectedPointStyleFns = function(trace) {
var out = {};
var selectedAttrs = trace.selected || {};
var unselectedAttrs = trace.unselected || {};
var marker = trace.marker || {};
var selectedMarker = selectedAttrs.marker || {};
var unselectedMarker = unselectedAttrs.marker || {};
var mo = marker.opacity;
var smo = selectedMarker.opacity;
var usmo = unselectedMarker.opacity;
var smoIsDefined = smo !== undefined;
var usmoIsDefined = usmo !== undefined;
if(Lib.isArrayOrTypedArray(mo) || smoIsDefined || usmoIsDefined) {
out.selectedOpacityFn = function(d) {
var base = d.mo === undefined ? marker.opacity : d.mo;
if(d.selected) {
return smoIsDefined ? smo : base;
} else {
return usmoIsDefined ? usmo : DESELECTDIM * base;
}
};
}
var mc = marker.color;
var smc = selectedMarker.color;
var usmc = unselectedMarker.color;
if(smc || usmc) {
out.selectedColorFn = function(d) {
var base = d.mcc || mc;
if(d.selected) {
return smc || base;
} else {
return usmc || base;
}
};
}
var ms = marker.size;
var sms = selectedMarker.size;
var usms = unselectedMarker.size;
var smsIsDefined = sms !== undefined;
var usmsIsDefined = usms !== undefined;
if(Registry.traceIs(trace, 'symbols') && (smsIsDefined || usmsIsDefined)) {
out.selectedSizeFn = function(d) {
var base = d.mrc || ms / 2;
if(d.selected) {
return smsIsDefined ? sms / 2 : base;
} else {
return usmsIsDefined ? usms / 2 : base;
}
};
}
return out;
};
drawing.makeSelectedTextStyleFns = function(trace) {
var out = {};
var selectedAttrs = trace.selected || {};
var unselectedAttrs = trace.unselected || {};
var textFont = trace.textfont || {};
var selectedTextFont = selectedAttrs.textfont || {};
var unselectedTextFont = unselectedAttrs.textfont || {};
var tc = textFont.color;
var stc = selectedTextFont.color;
var utc = unselectedTextFont.color;
out.selectedTextColorFn = function(d) {
var base = d.tc || tc;
if(d.selected) {
return stc || base;
} else {
if(utc) return utc;
else return stc ? base : Color.addOpacity(base, DESELECTDIM);
}
};
return out;
};
drawing.selectedPointStyle = function(s, trace) {
if(!s.size() || !trace.selectedpoints) return;
var fns = drawing.makeSelectedPointStyleFns(trace);
var marker = trace.marker || {};
var seq = [];
if(fns.selectedOpacityFn) {
seq.push(function(pt, d) {
pt.style('opacity', fns.selectedOpacityFn(d));
});
}
if(fns.selectedColorFn) {
seq.push(function(pt, d) {
Color.fill(pt, fns.selectedColorFn(d));
});
}
if(fns.selectedSizeFn) {
seq.push(function(pt, d) {
var mx = d.mx || marker.symbol || 0;
var mrc2 = fns.selectedSizeFn(d);
pt.attr('d', makePointPath(drawing.symbolNumber(mx), mrc2));
// save for Drawing.selectedTextStyle
d.mrc2 = mrc2;
});
}
if(seq.length) {
s.each(function(d) {
var pt = d3.select(this);
for(var i = 0; i < seq.length; i++) {
seq[i](pt, d);
}
});
}
};
drawing.tryColorscale = function(marker, prefix) {
var cont = prefix ? Lib.nestedProperty(marker, prefix).get() : marker;
if(cont) {
var colorArray = cont.color;
if((cont.colorscale || cont._colorAx) && Lib.isArrayOrTypedArray(colorArray)) {
return Colorscale.makeColorScaleFuncFromTrace(cont);
}
}
return Lib.identity;
};
var TEXTOFFSETSIGN = {
start: 1, end: -1, middle: 0, bottom: 1, top: -1
};
function textPointPosition(s, textPosition, fontSize, markerRadius) {
var group = d3.select(s.node().parentNode);
var v = textPosition.indexOf('top') !== -1 ?
'top' :
textPosition.indexOf('bottom') !== -1 ? 'bottom' : 'middle';
var h = textPosition.indexOf('left') !== -1 ?
'end' :
textPosition.indexOf('right') !== -1 ? 'start' : 'middle';
// if markers are shown, offset a little more than
// the nominal marker size
// ie 2/1.6 * nominal, bcs some markers are a bit bigger
var r = markerRadius ? markerRadius / 0.8 + 1 : 0;
var numLines = (svgTextUtils.lineCount(s) - 1) * LINE_SPACING + 1;
var dx = TEXTOFFSETSIGN[h] * r;
var dy = fontSize * 0.75 + TEXTOFFSETSIGN[v] * r +
(TEXTOFFSETSIGN[v] - 1) * numLines * fontSize / 2;
// fix the overall text group position
s.attr('text-anchor', h);
group.attr('transform', strTranslate(dx, dy));
}
function extracTextFontSize(d, trace) {
var fontSize = d.ts || trace.textfont.size;
return (isNumeric(fontSize) && fontSize > 0) ? fontSize : 0;
}
// draw text at points
drawing.textPointStyle = function(s, trace, gd) {
if(!s.size()) return;
var selectedTextColorFn;
if(trace.selectedpoints) {
var fns = drawing.makeSelectedTextStyleFns(trace);
selectedTextColorFn = fns.selectedTextColorFn;
}
var texttemplate = trace.texttemplate;
var fullLayout = gd._fullLayout;
s.each(function(d) {
var p = d3.select(this);
var text = texttemplate ?
Lib.extractOption(d, trace, 'txt', 'texttemplate') :
Lib.extractOption(d, trace, 'tx', 'text');
if(!text && text !== 0) {
p.remove();
return;
}
if(texttemplate) {
var fn = trace._module.formatLabels;
var labels = fn ? fn(d, trace, fullLayout) : {};
var pointValues = {};
appendArrayPointValue(pointValues, trace, d.i);
var meta = trace._meta || {};
text = Lib.texttemplateString(text, labels, fullLayout._d3locale, pointValues, d, meta);
}
var pos = d.tp || trace.textposition;
var fontSize = extracTextFontSize(d, trace);
var fontColor = selectedTextColorFn ?
selectedTextColorFn(d) :
(d.tc || trace.textfont.color);
p.call(drawing.font,
d.tf || trace.textfont.family,
fontSize,
fontColor)