html/scripts/highchart/modules/treemap.src.js
function (point) {
			var series = this,
				drillId = false,
				nodeParent;
			if ((point.node.parent !== series.rootNode) && (point.isLeaf)) {
				nodeParent = point.node;
				while (!drillId) {
					nodeParent = series.nodeMap[nodeParent.parent];
					if (nodeParent.parent === series.rootNode) {
						drillId = nodeParent.id;
					}
				}
			}
			return drillId;
		}
function (point) {
			var series = this,
				drillId = false,
				nodeParent;
			if ((point.node.parent !== series.rootNode) && (point.isLeaf)) {
				nodeParent = point.node;
				while (!drillId) {
					nodeParent = series.nodeMap[nodeParent.parent];
					if (nodeParent.parent === series.rootNode) {
						drillId = nodeParent.id;
					}
				}
			}
			return drillId;
		}
function ( point ) { var series = this , drillId = false , nodeParent ; if ( ( point . node . parent !== series . rootNode ) && ( point . isLeaf ) ) { nodeParent = point . node ; while ( ! drillId ) { nodeParent = series . nodeMap [ nodeParent . parent ] ; if ( nodeParent . parent === series . rootNode ) { drillId = nodeParent . id ; } } } return drillId ; }
Finds the drill id for a leaf node.
Returns false if point should not have a click event
@param {Object} point
@return {string || boolean} Drill to id or false when point should not have a click event
Finds the drill id for a leaf node . Returns false if point should not have a click event