Function isPointOrBinSelected

src/components/selections/select.js:875–892

(clickedPtInfo)

}

function isPointOrBinSelected(clickedPtInfo) {
    var trace = clickedPtInfo.searchInfo.cd[0].trace;
    var ptNum = clickedPtInfo.pointNumber;
    var ptNums = clickedPtInfo.pointNumbers;
    var ptNumsSet = ptNums.length > 0;

    // When pointsNumbers is set (e.g. histogram's binning),
    // it is assumed that when the first point of
    // a bin is selected, all others are as well
    var ptNumToTest = ptNumsSet ? ptNums[0] : ptNum;

    // TODO potential performance improvement
    // Primarily we need this function to determine if a click adds
    // or subtracts from a selection.
    // In cases `trace.selectedpoints` is a huge array, indexOf
    // might be slow. One remedy would be to introduce a hash somewhere.
    return trace.selectedpoints ? trace.selectedpoints.indexOf(ptNumToTest) > -1 : false;
}

function isOnlyThisBinSelected(searchTraces, clickedPtInfo) {
    var tracesWithSelectedPts = [];