summation columns created in pivoting
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parent
d9c05ba321
commit
3dad9c1013
6
index.js
6
index.js
@ -12,8 +12,6 @@ rows = [
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["b","3"],
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];
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table = new Table("Root", rows);
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table = new Table("Root", rows, [1]);
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table.PivotTree([0, 1]);
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table.ItrLeaves( inLeaf => console.log(inLeaf) );
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console.log(table, leaves);
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table.ItrLeaves( inLeaf => console.log(inLeaf) );
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44
table.ts
44
table.ts
@ -8,9 +8,9 @@ export class Sum
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FromChildren: number;
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FromOutside: number;
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constructor()
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constructor(inIndex: number)
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{
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this.ColumnIndex = 0;
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this.ColumnIndex = inIndex;
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}
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}
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@ -18,52 +18,49 @@ export class Table
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{
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Name: string;
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Rows: Array<Array<string>>;
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Columns: Array<Sum>;
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Parent?: Table;
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Children: Array<Table>;
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constructor(inName: string, inRows: Array<Array<string>>)
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constructor(inName: string, inRows: Array<Array<string>>, inColumns: Array<number>)
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{
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this.Name = inName;
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this.Rows = inRows;
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this.Parent = null;
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this.Children = [];
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this.Columns = inColumns.map( (inIndex: number) => new Sum(inIndex) );
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}
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Pivot(inColumn: number)
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Pivot(inColumnPivot: number)
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{
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var cell: string;
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var child: Table;
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var context: Table;
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context = this;
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this.Rows.forEach((inRow: Array<string>)=>
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{
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cell = inRow[inColumn];
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cell = inRow[inColumnPivot];
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child = this.Children.find( (inChild: Table) => inChild.Name == cell );
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if(!child)
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{
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child = new Table(cell, []);
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child.Parent = context;
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context.Children.push(child);
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child = new Table(cell, [], this.Columns.map( (inColumn: Sum) => inColumn.ColumnIndex ));
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child.Parent = this;
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this.Children.push(child);
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}
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child.Rows.push(inRow);
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});
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this.Rows = [];
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}
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PivotTree(inColumns: Array<number>)
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PivotTree(inColumnsPivot: Array<number>)
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{
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var columns: Array<number>;
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var pivotsRemaining: Array<number>;
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if(inColumns.length == 0)
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if(inColumnsPivot.length == 0)
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{
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return;
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}
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columns = [...inColumns];
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this.Pivot(columns.shift());
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this.Children.forEach( (inChild: Table) =>
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{
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inChild.PivotTree(columns);
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});
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pivotsRemaining = [...inColumnsPivot];
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this.Pivot(pivotsRemaining.shift());
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this.Children.forEach( (inChild: Table) => inChild.PivotTree(pivotsRemaining) );
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}
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ItrParents(inFunction: Function)
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@ -93,4 +90,11 @@ export class Table
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this.Children.forEach( (inChild: Table) => inChild.ItrLeaves(inFunction) );
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}
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}
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}
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}
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export const Iterators = {
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SumRows: (inTable: Table) =>
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{
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}
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};
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