@catull/igniteui-angular
Version:
Ignite UI for Angular is a dependency-free Angular toolkit for building modern web apps
98 lines • 12.6 kB
JavaScript
import { __decorate, __extends, __values } from "tslib";
import { TransactionType } from './transaction';
import { Injectable } from '@angular/core';
import { IgxTransactionService } from './igx-transaction';
import { DataUtil } from '../../data-operations/data-util';
import { cloneValue } from '../../core/utils';
/** @experimental @hidden */
var IgxHierarchicalTransactionService = /** @class */ (function (_super) {
__extends(IgxHierarchicalTransactionService, _super);
function IgxHierarchicalTransactionService() {
return _super !== null && _super.apply(this, arguments) || this;
}
IgxHierarchicalTransactionService.prototype.getAggregatedChanges = function (mergeChanges) {
var _this = this;
var result = [];
this._states.forEach(function (state, key) {
var value = mergeChanges ? _this.mergeValues(state.recordRef, state.value) : cloneValue(state.value);
_this.clearArraysFromObject(value);
result.push({ id: key, path: state.path, newValue: value, type: state.type });
});
return result;
};
IgxHierarchicalTransactionService.prototype.updateState = function (states, transaction, recordRef) {
_super.prototype.updateState.call(this, states, transaction, recordRef);
// if transaction has no path, e.g. flat data source, get out
if (!transaction.path) {
return;
}
var currentState = states.get(transaction.id);
if (currentState) {
currentState.path = transaction.path;
}
// if transaction has path, Hierarchical data source, and it is DELETE
// type transaction for all child rows remove ADD states and update
// transaction type and value of UPDATE states
if (transaction.type === TransactionType.DELETE) {
states.forEach(function (v, k) {
if (v.path && v.path.indexOf(transaction.id) !== -1) {
switch (v.type) {
case TransactionType.ADD:
states.delete(k);
break;
case TransactionType.UPDATE:
states.get(k).type = TransactionType.DELETE;
states.get(k).value = null;
}
}
});
}
};
/**
* Applies all transactions over the provided data
* @param data Data source to update
* @param primaryKey Primary key of the hierarchical data
* @param childDataKey Kye of child data collection
* @param id Optional record id to commit transactions for
*/
IgxHierarchicalTransactionService.prototype.commit = function (data, primaryKey, childDataKey, id) {
if (childDataKey !== undefined) {
var transactions = this.getAggregatedChanges(true);
if (id !== undefined) {
transactions = transactions.filter(function (t) { return t.id === id; });
}
DataUtil.mergeHierarchicalTransactions(data, transactions, childDataKey, primaryKey, true);
}
else {
_super.prototype.commit.call(this, data, id);
}
this.clear(id);
};
// TODO: remove this method. Force cloning to strip child arrays when needed instead
IgxHierarchicalTransactionService.prototype.clearArraysFromObject = function (obj) {
var e_1, _a;
if (obj) {
try {
for (var _b = __values(Object.keys(obj)), _c = _b.next(); !_c.done; _c = _b.next()) {
var prop = _c.value;
if (Array.isArray(obj[prop])) {
delete obj[prop];
}
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_1) throw e_1.error; }
}
}
};
IgxHierarchicalTransactionService = __decorate([
Injectable()
], IgxHierarchicalTransactionService);
return IgxHierarchicalTransactionService;
}(IgxTransactionService));
export { IgxHierarchicalTransactionService };
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this.mergeValues(state.recordRef, state.value) : cloneValue(state.value);\n            this.clearArraysFromObject(value);\n            result.push({ id: key, path: state.path, newValue: value, type: state.type } as T);\n        });\n        return result;\n    }\n\n    protected updateState(states: Map<any, S>, transaction: T, recordRef?: any): void {\n        super.updateState(states, transaction, recordRef);\n\n        //  if transaction has no path, e.g. flat data source, get out\n        if (!transaction.path) {\n            return;\n        }\n\n        const currentState = states.get(transaction.id);\n        if (currentState) {\n            currentState.path = transaction.path;\n        }\n\n        //  if transaction has path, Hierarchical data source, and it is DELETE\n        //  type transaction for all child rows remove ADD states and update\n        //  transaction type and value of UPDATE states\n        if (transaction.type === TransactionType.DELETE) {\n            states.forEach((v: S, k: any) => {\n                if (v.path && v.path.indexOf(transaction.id) !== -1) {\n                    switch (v.type) {\n                        case TransactionType.ADD:\n                            states.delete(k);\n                            break;\n                        case TransactionType.UPDATE:\n                            states.get(k).type = TransactionType.DELETE;\n                            states.get(k).value = null;\n                    }\n                }\n            });\n        }\n    }\n\n    /**\n     * Applies all transactions over the provided data\n     * @param data Data source to update\n     * @param primaryKey Primary key of the hierarchical data\n     * @param childDataKey Kye of child data collection\n     * @param id Optional record id to commit transactions for\n     */\n    public commit(data: any[], primaryKey?: any, childDataKey?: any, id?: any): void {\n        if (childDataKey !== undefined) {\n            let transactions = this.getAggregatedChanges(true);\n            if (id !== undefined) {\n                transactions = transactions.filter(t => t.id === id);\n            }\n            DataUtil.mergeHierarchicalTransactions(data, transactions, childDataKey, primaryKey, true);\n        } else {\n            super.commit(data, id);\n        }\n        this.clear(id);\n    }\n\n    //  TODO: remove this method. Force cloning to strip child arrays when needed instead\n    private clearArraysFromObject(obj: {}) {\n        if (obj) {\n            for (const prop of Object.keys(obj)) {\n                if (Array.isArray(obj[prop])) {\n                    delete obj[prop];\n                }\n            }\n        }\n    }\n}\n\n"]}