Function dragend

src/traces/parcoords/axisbrush.js:248–323

(lThis, d)

}

function dragend(lThis, d) {
    var brush = d.brush;
    var filter = brush.filter;
    var s = brush.svgBrush;

    if(!s._dragging) { // i.e. click
        // mock zero drag
        mousemove(lThis, d);
        drag(lThis, d);
        // remember it is a click not a drag
        d.brush.svgBrush.wasDragged = false;
    }
    s._dragging = false;

    var e = d3.event;
    e.sourceEvent.stopPropagation();
    var grabbingBar = s.grabbingBar;
    s.grabbingBar = false;
    s.grabLocation = undefined;
    d.parent.inBrushDrag = false;
    clearCursor(); // instead of clearing, a nicer thing would be to set it according to current location
    if(!s.wasDragged) { // a click+release on the same spot (ie. w/o dragging) means a bar or full reset
        s.wasDragged = undefined; // logic-wise unneeded, just shows `wasDragged` has no longer a meaning
        if(s.clickableOrdinalRange) {
            if(brush.filterSpecified && d.multiselect) {
                s.extent.push(s.clickableOrdinalRange);
            } else {
                s.extent = [s.clickableOrdinalRange];
                brush.filterSpecified = true;
            }
        } else if(grabbingBar) {
            s.extent = s.stayingIntervals;
            if(s.extent.length === 0) {
                brushClear(brush);
            }
        } else {
            brushClear(brush);
        }
        s.brushCallback(d);
        renderHighlight(lThis.parentNode);
        s.brushEndCallback(brush.filterSpecified ? filter.getConsolidated() : []);
        return; // no need to fuse intervals or snap to ordinals, so we can bail early
    }

    var mergeIntervals = function() {
        // Key piece of logic: once the button is released, possibly overlapping intervals will be fused:
        // Here it's done immediately on click release while on ordinal snap transition it's done at the end
        filter.set(filter.getConsolidated());
    };

    if(d.ordinal) {
        var a = d.unitTickvals;
        if(a[a.length - 1] < a[0]) a.reverse();
        s.newExtent = [
            ordinalScaleSnap(0, a, s.newExtent[0], s.stayingIntervals),
            ordinalScaleSnap(1, a, s.newExtent[1], s.stayingIntervals)
        ];
        var hasNewExtent = s.newExtent[1] > s.newExtent[0];