1/**
 2 * Holds cell values, and allows for the updating and manipulation of those cells.
 3 */
 4import {
 5  Cell
 6} from "../Cell";
 7
 8/**
 9 * Cell DataStore that stores cells in memory.
10 */
11class DataStore {
12  /**
13   * Holds cells inside an object for quick access.
14   */
15  public data: Object = {};
16
17  getCell(key: string) : Cell {
18    if (key in this.data) {
19      return this.data[key];
20    }
21    return new Cell(key);
22  }
23
24  addCell(cell: Cell) {
25    let cellId = cell.getId();
26
27    if (!(cellId in this.data)) {
28      this.data[cellId] = cell;
29    } else {
30      this.getCell(cellId).updateDependencies(cell.getDependencies());
31      this.getCell(cellId).setValue(cell.getValue());
32      this.getCell(cellId).setError(cell.getError());
33    }
34
35    return this.getCell(cellId);
36  }
37
38  getDependencies(id: string) {
39    let getDependencies = function (id: string) {
40      let filtered = [];
41      for (let key in this.data) {
42        let cell = this.data[key];
43        if (cell.dependencies) {
44          if (cell.dependencies.indexOf(id) > -1) {
45            filtered.push(cell)
46          }
47        }
48      }
49
50      let deps = [];
51      filtered.forEach(function (cell) {
52        if (deps.indexOf(cell.id) === -1) {
53          deps.push(cell.id);
54        }
55      });
56
57      return deps;
58    }.bind(this);
59    let allDependencies = [];
60    let getTotalDependencies = function (id: string) {
61      let deps = getDependencies(id);
62
63      if (deps.length) {
64        deps.forEach(function (refId) {
65          if (allDependencies.indexOf(refId) === -1) {
66            allDependencies.push(refId);
67
68            let cell = this.getCell(refId);
69            if (cell.getDependencies().length) {
70              getTotalDependencies(refId);
71            }
72          }
73        }.bind(this));
74      }
75    }.bind(this);
76    getTotalDependencies(id);
77    return allDependencies;
78  }
79}
80
81export {
82  DataStore
83}