Method findHover

src/common/overlay/levelRenderer/Handler.js:557–636

* Method: findHover * 迭代函数，查找 hover 到的图形元素并即时做些事件分发。 * * Parameters: * shape - {Object} 图形。 * x - {number} 鼠标 x。 * y - {number} 鼠标 y。 * * Returns: * {boolean} 是否找到图形。 *

(shape, x, y)

         *
         */
        function findHover(shape, x, y) {
            var me = this;
            if (
                (me._draggingTarget && me._draggingTarget.id == shape.id) // 迭代到当前拖拽的图形上
                || shape.isSilent() // 打酱油的路过，啥都不响应的shape~
            ) {
                return false;
            }

            var event = me._event;
            if (shape.isCover(x, y)) {
                if (shape.hoverable) {
                    // SMIC-修改 - start
                    if (shape.isHoverByRefDataID && shape.isHoverByRefDataID === true) {
                        if (shape.refDataID) {
                            var fid = shape.refDataID;
                            //me.painter.clearHover();
                            //me.storage.delHover();

                            var hoverGroup = null;
                            if (shape.refDataHoverGroup) {
                                hoverGroup = shape.refDataHoverGroup;
                            }

                            //查找同一个用户数据 feature 的所有图形
                            var shapeList = me.storage._shapeList;
                            for (var i = 0, len = shapeList.length; i < len; i++) {
                                var si = shapeList[i];
                                if (si.refDataID && fid === si.refDataID) {
                                    if (hoverGroup) {
                                        if (si.refDataHoverGroup && hoverGroup === si.refDataHoverGroup) {
                                            me.storage.addHover(si);
                                        }
                                    } else {
                                        me.storage.addHover(si);
                                    }
                                }
                            }
                        }
                    } else {
                        me.storage.addHover(shape);
                    }
                    //初始代码：
                    //  me.storage.addHover(shape);
                    // SMIC-修改 - end
                }
                // 查找是否在 clipShape 中
                var p = shape.parent;
                while (p) {
                    if (p.clipShape && !p.clipShape.isCover(me._mouseX, me._mouseY)) {
                        // 已经被祖先 clip 掉了
                        return false;
                    }
                    p = p.parent;
                }

                if (me._lastHover != shape) {
                    me._processOutShape(event);