Function init

systemvm/agent/js/jquery.flot.navigate.js:131–331

(plot)

    };

    function init(plot) {
        function onZoomClick(e, zoomOut) {
            var c = plot.offset();
            c.left = e.pageX - c.left;
            c.top = e.pageY - c.top;
            if (zoomOut)
                plot.zoomOut({ center: c });
            else
                plot.zoom({ center: c });
        }

        function onMouseWheel(e, delta) {
            onZoomClick(e, delta < 0);
            return false;
        }

        var prevCursor = 'default', prevPageX = 0, prevPageY = 0,
            panTimeout = null;

        function onDragStart(e) {
            if (e.which != 1)  // only accept left-click
                return false;
            var c = plot.getPlaceholder().css('cursor');
            if (c)
                prevCursor = c;
            plot.getPlaceholder().css('cursor', plot.getOptions().pan.cursor);
            prevPageX = e.pageX;
            prevPageY = e.pageY;
        }

        function onDrag(e) {
            var frameRate = plot.getOptions().pan.frameRate;
            if (panTimeout || !frameRate)
                return;

            panTimeout = setTimeout(function () {
                plot.pan({ left: prevPageX - e.pageX,
                           top: prevPageY - e.pageY });
                prevPageX = e.pageX;
                prevPageY = e.pageY;

                panTimeout = null;
            }, 1 / frameRate * 1000);
        }

        function onDragEnd(e) {
            if (panTimeout) {
                clearTimeout(panTimeout);
                panTimeout = null;
            }

            plot.getPlaceholder().css('cursor', prevCursor);
            plot.pan({ left: prevPageX - e.pageX,
                       top: prevPageY - e.pageY });
        }

        function bindEvents(plot, eventHolder) {
            var o = plot.getOptions();