Function appendBarText

src/traces/bar/plot.js:531–732

(gd, plotinfo, bar, cd, i, x0, x1, y0, y1, r, overhead, opts, makeOnCompleteCallback)

}

function appendBarText(gd, plotinfo, bar, cd, i, x0, x1, y0, y1, r, overhead, opts, makeOnCompleteCallback) {
    var xa = plotinfo.xaxis;
    var ya = plotinfo.yaxis;

    var fullLayout = gd._fullLayout;
    var textPosition;

    function appendTextNode(bar, text, font) {
        var textSelection = Lib.ensureSingle(bar, 'text')
            .text(text)
            .attr({
                class: 'bartext bartext-' + textPosition,
                'text-anchor': 'middle',
                // prohibit tex interpretation until we can handle
                // tex and regular text together
                'data-notex': 1
            })
            .call(Drawing.font, font)
            .call(svgTextUtils.convertToTspans, gd);

        return textSelection;
    }

    // get trace attributes
    var trace = cd[0].trace;
    var isHorizontal = trace.orientation === 'h';

    var text = getText(fullLayout, cd, i, xa, ya);

    textPosition = getTextPosition(trace, i);

    // compute text position
    var inStackOrRelativeMode = opts.mode === 'stack' || opts.mode === 'relative';

    var calcBar = cd[i];
    var isOutmostBar = !inStackOrRelativeMode || calcBar._outmost;
    var hasB = calcBar.hasB;
    var barIsRounded = r && r - overhead > TEXTPAD;

    if (
        !text ||
        textPosition === 'none' ||
        ((calcBar.isBlank || x0 === x1 || y0 === y1) && (textPosition === 'auto' || textPosition === 'inside'))
    ) {
        bar.select('text').remove();
        return;
    }

    var layoutFont = fullLayout.font;
    var barColor = style.getBarColor(cd[i], trace);
    var insideTextFont = style.getInsideTextFont(trace, i, layoutFont, barColor);
    var outsideTextFont = style.getOutsideTextFont(trace, i, layoutFont);
    var insidetextanchor = trace.insidetextanchor || 'end';

    // Special case: don't use the c2p(v, true) value on log size axes,
    // so that we can get correctly inside text scaling
    var di = bar.datum();
    if (isHorizontal) {