Function setupTraceToggle

src/components/legend/draw.js:633–668

(g, gd, legendId)

}

function setupTraceToggle(g, gd, legendId) {
    var doubleClickDelay = gd._context.doubleClickDelay;
    var newMouseDownTime;
    var numClicks = 1;

    var traceToggle = Lib.ensureSingle(g, 'rect', legendId + 'toggle', function(s) {
        if(!gd._context.staticPlot) {
            s.style('cursor', 'pointer').attr('pointer-events', 'all');
        }
        s.call(Color.fill, 'rgba(0,0,0,0)');
    });

    if(gd._context.staticPlot) return;

    traceToggle.on('mousedown', function() {
        newMouseDownTime = (new Date()).getTime();
        if(newMouseDownTime - gd._legendMouseDownTime < doubleClickDelay) {
            // in a click train
            numClicks += 1;
        } else {
            // new click train
            numClicks = 1;
            gd._legendMouseDownTime = newMouseDownTime;
        }
    });
    traceToggle.on('mouseup', function() {
        if(gd._dragged || gd._editing) return;
        var legend = gd._fullLayout[legendId];

        if((new Date()).getTime() - gd._legendMouseDownTime > doubleClickDelay) {
            numClicks = Math.max(numClicks - 1, 1);
        }

        clickOrDoubleClick(gd, legend, g, numClicks, d3.event);
    });
}

function setupTitleToggle(scrollBox, gd, legendObj, legendId) {
    // For now, skip title click for legends containing pie-like traces