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feat: change save format to only save card settings
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| import {BingoField, BingoFieldJSON} from "./BingoField"; | ||
|
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| export class StateSaver { | ||
| protected currentVersion = 1; | ||
|
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| protected dataStorageKey = 'bingoboard'; | ||
|
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| /** | ||
| * Saves the current state of the board into local storage | ||
| */ | ||
| public saveState(data: HTMLElement, rows: Number, cols: Number) { | ||
| const fields = []; | ||
| data.querySelectorAll('bingo-field').forEach((field: BingoField) => { | ||
| fields.push(field.toJSON()); | ||
| }); | ||
|
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| localStorage.setItem(this.dataStorageKey, JSON.stringify({ | ||
| version: this.currentVersion, | ||
| fields: fields, | ||
| rows: rows, | ||
| cols: cols | ||
| })); | ||
| } | ||
|
|
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| public getState(): State { | ||
| const content = localStorage.getItem(this.dataStorageKey); | ||
| try { | ||
| const storageObject: State = JSON.parse(content); | ||
| if (!storageObject) { | ||
| return null; | ||
| } | ||
| if (storageObject.version !== this.currentVersion) { | ||
| // todo: migration if we have later versions... | ||
| } | ||
|
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| return storageObject; | ||
| } catch (e) { | ||
| return null; | ||
| } | ||
| } | ||
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| /** | ||
| * @deprecated | ||
| * @param container | ||
| */ | ||
| public loadState(container: HTMLElement): boolean { | ||
| const content = localStorage.getItem(this.dataStorageKey); | ||
| try { | ||
| const storageObject: State = JSON.parse(content); | ||
| if (!storageObject) { | ||
| return false; | ||
| } | ||
| if (storageObject.version !== this.currentVersion) { | ||
| // todo: migration if we have later versions... | ||
| } | ||
|
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| container.innerHTML = ''; | ||
| for (let i = 0; i < storageObject.rows; i++) { | ||
| for (let j = 0; j < storageObject.cols; j++) { | ||
|
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| } | ||
| } | ||
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| for (const field of storageObject.fields) { | ||
| container.appendChild(BingoField.fromJSON(field)); | ||
| } | ||
|
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| return true; | ||
| } catch (e) { | ||
| return false; | ||
| } | ||
| } | ||
| } | ||
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| export interface State { | ||
| version: Number, | ||
| fields: BingoFieldJSON[], | ||
| rows: Number, | ||
| cols: Number | ||
| } |
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