add compare versions

lineupjs · Oct 4, 2018 · 8dff51b · 8dff51b
1 parent 0a8f2a9
commit 8dff51b
Showing 1 changed file with 20 additions and 0 deletions.
diff --git a/src/model/Ranking.ts b/src/model/Ranking.ts
@@ -122,6 +122,16 @@ export default class Ranking extends AEventDispatcher implements IColumnParent {
     return a.i - b.i; //to have a deterministic order
   };
 
+  readonly toCompareValue = (row: IDataRow) => {
+    if (this.sortCriteria.length === 0) {
+      return row.i;
+    }
+    let vs : (number | string | null)[] = [];
+    vs = vs.concat(...this.sortCriteria.map((d) => d.col.toCompareValue(row)));
+    vs.push(row.i);
+    return vs;
+  };
+
   readonly groupComparator = (a: IGroupData, b: IGroupData) => {
     if (this.groupSortCriteria.length === 0) {
       return a.name.toLowerCase().localeCompare(b.name.toLowerCase());
@@ -135,6 +145,16 @@ export default class Ranking extends AEventDispatcher implements IColumnParent {
     return a.name.localeCompare(b.name);
   };
 
+  readonly toGroupCompareValue = (group: IGroupData) => {
+    if (this.groupSortCriteria.length === 0) {
+      return group.name.toLowerCase();
+    }
+    let vs : (number | string | null)[] = [];
+    vs = vs.concat(...this.groupSortCriteria.map((d) => d.col.toCompareGroupValue(group)));
+    vs.push(group.name.toLowerCase());
+    return vs;
+  };
+
   readonly grouper = (row: IDataRow): IGroup => {
     const g = this.groupColumns;
     switch (g.length) {