Function clickOrDoubleClick

src/components/legend/draw.js:517–560

(gd, legend, legendItem, numClicks, evt)

}

function clickOrDoubleClick(gd, legend, legendItem, numClicks, evt) {
    var fullLayout = gd._fullLayout;
    var trace = legendItem.data()[0][0].trace;

    var itemClick = legend.itemclick;
    var itemDoubleClick = legend.itemdoubleclick;

    var evtData = {
        event: evt,
        node: legendItem.node(),
        curveNumber: trace.index,
        expandedIndex: trace.index,
        data: gd.data,
        layout: gd.layout,
        frames: gd._transitionData._frames,
        config: gd._context,
        fullData: gd._fullData,
        fullLayout: fullLayout
    };

    if(trace._group) {
        evtData.group = trace._group;
    }
    if(Registry.traceIs(trace, 'pie-like')) {
        evtData.label = legendItem.datum()[0].label;
    }
    var clickVal = Events.triggerHandler(gd, 'plotly_legendclick', evtData);
    if(numClicks === 1) {
        if(clickVal === false) return;
        legend._clickTimeout = setTimeout(function() {
            if(!gd._fullLayout) return;
            if(itemClick) handleItemClick(legendItem, gd, legend, itemClick);
        }, gd._context.doubleClickDelay);
    } else if(numClicks === 2) {
        if(legend._clickTimeout) clearTimeout(legend._clickTimeout);
        gd._legendMouseDownTime = 0;

        var dblClickVal = Events.triggerHandler(gd, 'plotly_legenddoubleclick', evtData);
        // Activate default double click behaviour only when both single click and double click values are not false
        if(dblClickVal !== false && clickVal !== false && itemDoubleClick) {
            handleItemClick(legendItem, gd, legend, itemDoubleClick);
        }
    }
}

function drawTexts(g, gd, legendObj) {
    var legendId = helpers.getId(legendObj);