Function dragstart

src/traces/parcoords/axisbrush.js:202–227

(lThis, d)

}

function dragstart(lThis, d) {
    d3.event.sourceEvent.stopPropagation();
    var y = d.height - d3.mouse(lThis)[1] - 2 * c.verticalPadding;
    var unitLocation = d.unitToPaddedPx.invert(y);
    var b = d.brush;
    var interval = getInterval(d, y);
    var unitRange = interval.interval;
    var s = b.svgBrush;
    s.wasDragged = false; // we start assuming there won't be a drag - useful for reset
    s.grabbingBar = interval.region === 'ns';
    if(s.grabbingBar) {
        var pixelRange = unitRange.map(d.unitToPaddedPx);
        s.grabPoint = y - pixelRange[0] - c.verticalPadding;
        s.barLength = pixelRange[1] - pixelRange[0];
    }
    s.clickableOrdinalRange = interval.clickableOrdinalRange;
    s.stayingIntervals = (d.multiselect && b.filterSpecified) ? b.filter.getConsolidated() : [];
    if(unitRange) {
        s.stayingIntervals = s.stayingIntervals.filter(function(int2) {
            return int2[0] !== unitRange[0] && int2[1] !== unitRange[1];
        });
    }
    s.startExtent = interval.region ? unitRange[interval.region === 's' ? 1 : 0] : unitLocation;
    d.parent.inBrushDrag = true;
    s.brushStartCallback();
}

function drag(lThis, d) {
    d3.event.sourceEvent.stopPropagation();