TrainSignManage/WebFrame/bower_components/jquery-sparkline/src/interact.js

（开头部分） 8KB

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    MouseHandler = createClass({
        init: function (el, options) {
            var $el = $(el);
            this.$el = $el;
            this.options = options;
            this.currentPageX = 0;
            this.currentPageY = 0;
            this.el = el;
            this.splist = [];
            this.tooltip = null;
            this.over = false;
            this.displayTooltips = !options.get('disableTooltips');
            this.highlightEnabled = !options.get('disableHighlight');
        },

        registerSparkline: function (sp) {
            this.splist.push(sp);
            if (this.over) {
                this.updateDisplay();
            }
        },

        registerCanvas: function (canvas) {
            var $canvas = $(canvas.canvas);
            this.canvas = canvas;
            this.$canvas = $canvas;
            $canvas.mouseenter($.proxy(this.mouseenter, this));
            $canvas.mouseleave($.proxy(this.mouseleave, this));
            $canvas.click($.proxy(this.mouseclick, this));
        },

        reset: function (removeTooltip) {
            this.splist = [];
            if (this.tooltip && removeTooltip) {
                this.tooltip.remove();
                this.tooltip = undefined;
            }
        },

        mouseclick: function (e) {
            var clickEvent = $.Event('sparklineClick');
            clickEvent.originalEvent = e;
            clickEvent.sparklines = this.splist;
            this.$el.trigger(clickEvent);
        },

        mouseenter: function (e) {
            $(document.body).unbind('mousemove.jqs');
            $(document.body).bind('mousemove.jqs', $.proxy(this.mousemove, this));
            this.over = true;
            this.currentPageX = e.pageX;
            this.currentPageY = e.pageY;
            this.currentEl = e.target;
            if (!this.tooltip && this.displayTooltips) {
                this.tooltip = new Tooltip(this.options);
                this.tooltip.updatePosition(e.pageX, e.pageY);
            }
            this.updateDisplay();
        },
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