Code:
_$expandedPrefix:"_expanded_",
//> @method listGrid.isExpanded()
// Whether a given +link{ListGridRecord, record} is expanded or collapsed.
//
// @param record (ListGridRecord) record in question
// @group expansionField
// @return (Boolean) true if the node is expanded
// @visibility external
//<
isExpanded : function (record) {
return (!record ? false : !!record[this._$expandedPrefix + this.ID]);
},
_setExpanded : function (record, value) {
record[this._$expandedPrefix + this.ID] = value;
},
_getExpandedRows : function () {
return this.data.findAll(this._$isExpandedPrefix + this.ID, true);
},