@catull/igniteui-angular
Version:
Ignite UI for Angular is a dependency-free Angular toolkit for building modern web apps
241 lines • 32.2 kB
JavaScript
import { __read, __spread, __values } from "tslib";
import { IgxSorting, IgxDataRecordSorting } from './sorting-strategy';
import { IgxGrouping } from './grouping-strategy';
import { PagingError } from './paging-state.interface';
import { FilteringStrategy } from './filtering-strategy';
import { cloneValue, mergeObjects } from '../core/utils';
import { TransactionType } from '../services/transaction/transaction';
import { getHierarchy, isHierarchyMatch } from './operations';
/**
* @hidden
*/
export var DataType;
(function (DataType) {
DataType["String"] = "string";
DataType["Number"] = "number";
DataType["Boolean"] = "boolean";
DataType["Date"] = "date";
})(DataType || (DataType = {}));
/**
* @hidden
*/
var DataUtil = /** @class */ (function () {
function DataUtil() {
}
DataUtil.sort = function (data, expressions, sorting) {
if (sorting === void 0) { sorting = new IgxSorting(); }
return sorting.sort(data, expressions);
};
DataUtil.treeGridSort = function (hierarchicalData, expressions, sorting, parent) {
if (sorting === void 0) { sorting = new IgxDataRecordSorting(); }
var res = [];
hierarchicalData.forEach(function (hr) {
var rec = DataUtil.cloneTreeGridRecord(hr);
rec.parent = parent;
if (rec.children) {
rec.children = DataUtil.treeGridSort(rec.children, expressions, sorting, rec);
}
res.push(rec);
});
res = DataUtil.sort(res, expressions, sorting);
return res;
};
DataUtil.cloneTreeGridRecord = function (hierarchicalRecord) {
var rec = {
rowID: hierarchicalRecord.rowID,
data: hierarchicalRecord.data,
children: hierarchicalRecord.children,
isFilteredOutParent: hierarchicalRecord.isFilteredOutParent,
level: hierarchicalRecord.level,
expanded: hierarchicalRecord.expanded
};
return rec;
};
DataUtil.group = function (data, state, grid, groupsRecords, fullResult) {
if (grid === void 0) { grid = null; }
if (groupsRecords === void 0) { groupsRecords = []; }
if (fullResult === void 0) { fullResult = { data: [], metadata: [] }; }
var grouping = new IgxGrouping();
groupsRecords.splice(0, groupsRecords.length);
return grouping.groupBy(data, state, grid, groupsRecords, fullResult);
};
DataUtil.page = function (data, state) {
if (!state) {
return data;
}
var len = data.length;
var index = state.index;
var res = [];
var recordsPerPage = state.recordsPerPage;
state.metadata = {
countPages: 0,
countRecords: data.length,
error: PagingError.None
};
if (index < 0 || isNaN(index)) {
state.metadata.error = PagingError.IncorrectPageIndex;
return res;
}
if (recordsPerPage <= 0 || isNaN(recordsPerPage)) {
state.metadata.error = PagingError.IncorrectRecordsPerPage;
return res;
}
state.metadata.countPages = Math.ceil(len / recordsPerPage);
if (!len) {
return data;
}
if (index >= state.metadata.countPages) {
state.metadata.error = PagingError.IncorrectPageIndex;
return res;
}
return data.slice(index * recordsPerPage, (index + 1) * recordsPerPage);
};
DataUtil.filter = function (data, state) {
if (!state.strategy) {
state.strategy = new FilteringStrategy();
}
return state.strategy.filter(data, state.expressionsTree, state.advancedExpressionsTree);
};
DataUtil.correctPagingState = function (state, length) {
var maxPage = Math.ceil(length / state.recordsPerPage) - 1;
if (!isNaN(maxPage) && state.index > maxPage) {
state.index = maxPage;
}
};
DataUtil.getHierarchy = function (gRow) {
return getHierarchy(gRow);
};
DataUtil.isHierarchyMatch = function (h1, h2) {
return isHierarchyMatch(h1, h2);
};
/**
* Merges all changes from provided transactions into provided data collection
* @param data Collection to merge
* @param transactions Transactions to merge into data
* @param primaryKey Primary key of the collection, if any
* @param deleteRows Should delete rows with DELETE transaction type from data
* @returns Provided data collections updated with all provided transactions
*/
DataUtil.mergeTransactions = function (data, transactions, primaryKey, deleteRows) {
if (deleteRows === void 0) { deleteRows = false; }
data.forEach(function (item, index) {
var rowId = primaryKey ? item[primaryKey] : item;
var transaction = transactions.find(function (t) { return t.id === rowId; });
if (transaction && transaction.type === TransactionType.UPDATE) {
data[index] = transaction.newValue;
}
});
if (deleteRows) {
transactions
.filter(function (t) { return t.type === TransactionType.DELETE; })
.forEach(function (t) {
var index = primaryKey ? data.findIndex(function (d) { return d[primaryKey] === t.id; }) : data.findIndex(function (d) { return d === t.id; });
if (0 <= index && index < data.length) {
data.splice(index, 1);
}
});
}
data.push.apply(data, __spread(transactions
.filter(function (t) { return t.type === TransactionType.ADD; })
.map(function (t) { return t.newValue; })));
return data;
};
/**
* Merges all changes from provided transactions into provided hierarchical data collection
* @param data Collection to merge
* @param transactions Transactions to merge into data
* @param childDataKey Data key of child collections
* @param primaryKey Primary key of the collection, if any
* @param deleteRows Should delete rows with DELETE transaction type from data
* @returns Provided data collections updated with all provided transactions
*/
DataUtil.mergeHierarchicalTransactions = function (data, transactions, childDataKey, primaryKey, deleteRows) {
var e_1, _a;
if (deleteRows === void 0) { deleteRows = false; }
var _loop_1 = function (transaction) {
if (transaction.path) {
var parent_1 = this_1.findParentFromPath(data, primaryKey, childDataKey, transaction.path);
var collection = parent_1 ? parent_1[childDataKey] : data;
switch (transaction.type) {
case TransactionType.ADD:
// if there is no parent this is ADD row at root level
if (parent_1 && !parent_1[childDataKey]) {
parent_1[childDataKey] = collection = [];
}
collection.push(transaction.newValue);
break;
case TransactionType.UPDATE:
var updateIndex = collection.findIndex(function (x) { return x[primaryKey] === transaction.id; });
if (updateIndex !== -1) {
collection[updateIndex] = mergeObjects(cloneValue(collection[updateIndex]), transaction.newValue);
}
break;
case TransactionType.DELETE:
if (deleteRows) {
var deleteIndex = collection.findIndex(function (r) { return r[primaryKey] === transaction.id; });
if (deleteIndex !== -1) {
collection.splice(deleteIndex, 1);
}
}
break;
}
}
else {
// if there is no path this is ADD row in root. Push the newValue to data
data.push(transaction.newValue);
}
};
var this_1 = this;
try {
for (var transactions_1 = __values(transactions), transactions_1_1 = transactions_1.next(); !transactions_1_1.done; transactions_1_1 = transactions_1.next()) {
var transaction = transactions_1_1.value;
_loop_1(transaction);
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (transactions_1_1 && !transactions_1_1.done && (_a = transactions_1.return)) _a.call(transactions_1);
}
finally { if (e_1) throw e_1.error; }
}
return data;
};
DataUtil.parseValue = function (dataType, value) {
if (dataType === DataType.Number) {
value = parseFloat(value);
}
return value;
};
DataUtil.findParentFromPath = function (data, primaryKey, childDataKey, path) {
var e_2, _a;
var collection = data;
var result;
var _loop_2 = function (id) {
result = collection && collection.find(function (x) { return x[primaryKey] === id; });
if (!result) {
return "break";
}
collection = result[childDataKey];
};
try {
for (var path_1 = __values(path), path_1_1 = path_1.next(); !path_1_1.done; path_1_1 = path_1.next()) {
var id = path_1_1.value;
var state_1 = _loop_2(id);
if (state_1 === "break")
break;
}
}
catch (e_2_1) { e_2 = { error: e_2_1 }; }
finally {
try {
if (path_1_1 && !path_1_1.done && (_a = path_1.return)) _a.call(path_1);
}
finally { if (e_2) throw e_2.error; }
}
return result;
};
return DataUtil;
}());
export { DataUtil };
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{ IFilteringState } from './filtering-state.interface';\n\nimport { IgxSorting, IgxDataRecordSorting, IGridSortingStrategy } from './sorting-strategy';\nimport { IgxGrouping } from './grouping-strategy';\nimport { IGroupByResult } from './grouping-result.interface';\n\nimport { IPagingState, PagingError } from './paging-state.interface';\n\nimport { IGroupByKey } from './groupby-expand-state.interface';\nimport { IGroupByRecord } from './groupby-record.interface';\nimport { IGroupingState } from './groupby-state.interface';\nimport { ISortingExpression } from './sorting-expression.interface';\nimport { FilteringStrategy } from './filtering-strategy';\nimport { ITreeGridRecord } from '../grids/tree-grid';\nimport { cloneValue, mergeObjects } from '../core/utils';\nimport { Transaction, TransactionType, HierarchicalTransaction } from '../services/transaction/transaction';\nimport { getHierarchy, isHierarchyMatch } from './operations';\n\n/**\n * @hidden\n */\nexport enum DataType {\n    String = 'string',\n    Number = 'number',\n    Boolean = 'boolean',\n    Date = 'date'\n}\n\n/**\n * @hidden\n */\nexport class DataUtil {\n    public static sort<T>(data: T[], expressions: ISortingExpression[], sorting: IGridSortingStrategy = new IgxSorting()): T[] {\n        return sorting.sort(data, expressions);\n    }\n\n    public static treeGridSort(hierarchicalData: ITreeGridRecord[],\n        expressions: ISortingExpression[],\n        sorting: IGridSortingStrategy = new IgxDataRecordSorting(),\n        parent?: ITreeGridRecord): ITreeGridRecord[] {\n        let res: ITreeGridRecord[] = [];\n        hierarchicalData.forEach((hr: ITreeGridRecord) => {\n            const rec: ITreeGridRecord = DataUtil.cloneTreeGridRecord(hr);\n            rec.parent = parent;\n            if (rec.children) {\n                rec.children = DataUtil.treeGridSort(rec.children, expressions, sorting, rec);\n            }\n            res.push(rec);\n        });\n\n        res = DataUtil.sort(res, expressions, sorting);\n\n        return res;\n    }\n\n    public static cloneTreeGridRecord(hierarchicalRecord: ITreeGridRecord) {\n        const rec: ITreeGridRecord = {\n            rowID: hierarchicalRecord.rowID,\n            data: hierarchicalRecord.data,\n            children: hierarchicalRecord.children,\n            isFilteredOutParent: hierarchicalRecord.isFilteredOutParent,\n            level: hierarchicalRecord.level,\n            expanded: hierarchicalRecord.expanded\n        };\n        return rec;\n    }\n\n    public static group<T>(data: T[], state: IGroupingState, grid: any = null,\n        groupsRecords: any[] = [], fullResult: IGroupByResult = { data: [], metadata: [] }): IGroupByResult {\n        const grouping = new IgxGrouping();\n        groupsRecords.splice(0, groupsRecords.length);\n        return grouping.groupBy(data, state, grid, groupsRecords, fullResult);\n    }\n\n    public static page<T>(data: T[], state: IPagingState): T[] {\n        if (!state) {\n            return data;\n        }\n        const len = data.length;\n        const index = state.index;\n        const res = [];\n        const recordsPerPage = state.recordsPerPage;\n        state.metadata = {\n            countPages: 0,\n            countRecords: data.length,\n            error: PagingError.None\n        };\n        if (index < 0 || isNaN(index)) {\n            state.metadata.error = PagingError.IncorrectPageIndex;\n            return res;\n        }\n        if (recordsPerPage <= 0 || isNaN(recordsPerPage)) {\n            state.metadata.error = PagingError.IncorrectRecordsPerPage;\n            return res;\n        }\n        state.metadata.countPages = Math.ceil(len / recordsPerPage);\n        if (!len) {\n            return data;\n        }\n        if (index >= state.metadata.countPages) {\n            state.metadata.error = PagingError.IncorrectPageIndex;\n            return res;\n        }\n        return data.slice(index * recordsPerPage, (index + 1) * recordsPerPage);\n    }\n\n    public static filter<T>(data: T[], state: IFilteringState): T[] {\n        if (!state.strategy) {\n            state.strategy = new FilteringStrategy();\n        }\n        return state.strategy.filter(data, state.expressionsTree, state.advancedExpressionsTree);\n    }\n\n    public static correctPagingState(state: IPagingState, length: number) {\n        const maxPage = Math.ceil(length / state.recordsPerPage) - 1;\n        if (!isNaN(maxPage) && state.index > maxPage) {\n            state.index = maxPage;\n        }\n    }\n\n    public static getHierarchy(gRow: IGroupByRecord): Array<IGroupByKey> {\n        return getHierarchy(gRow);\n    }\n\n    public static isHierarchyMatch(h1: Array<IGroupByKey>, h2: Array<IGroupByKey>): boolean {\n        return isHierarchyMatch(h1, h2);\n    }\n\n    /**\n     * Merges all changes from provided transactions into provided data collection\n     * @param data Collection to merge\n     * @param transactions Transactions to merge into data\n     * @param primaryKey Primary key of the collection, if any\n     * @param deleteRows Should delete rows with DELETE transaction type from data\n     * @returns Provided data collections updated with all provided transactions\n     */\n    public static mergeTransactions<T>(data: T[], transactions: Transaction[], primaryKey?: any, deleteRows: boolean = false): T[] {\n        data.forEach((item: any, index: number) => {\n            const rowId = primaryKey ? item[primaryKey] : item;\n            const transaction = transactions.find(t => t.id === rowId);\n            if (transaction && transaction.type === TransactionType.UPDATE) {\n                data[index] = transaction.newValue;\n            }\n        });\n\n        if (deleteRows) {\n            transactions\n                .filter(t => t.type === TransactionType.DELETE)\n                .forEach(t => {\n                    const index = primaryKey ? data.findIndex(d => d[primaryKey] === t.id) : data.findIndex(d => d === t.id);\n                    if (0 <= index && index < data.length) {\n                        data.splice(index, 1);\n                    }\n                });\n        }\n\n        data.push(...transactions\n            .filter(t => t.type === TransactionType.ADD)\n            .map(t => t.newValue));\n\n        return data;\n    }\n\n    /**\n     * Merges all changes from provided transactions into provided hierarchical data collection\n     * @param data Collection to merge\n     * @param transactions Transactions to merge into data\n     * @param childDataKey Data key of child collections\n     * @param primaryKey Primary key of the collection, if any\n     * @param deleteRows Should delete rows with DELETE transaction type from data\n     * @returns Provided data collections updated with all provided transactions\n     */\n    public static mergeHierarchicalTransactions(\n        data: any[],\n        transactions: HierarchicalTransaction[],\n        childDataKey: any,\n        primaryKey?: any,\n        deleteRows: boolean = false): any[] {\n        for (const transaction of transactions) {\n            if (transaction.path) {\n                const parent = this.findParentFromPath(data, primaryKey, childDataKey, transaction.path);\n                let collection: any[] = parent ? parent[childDataKey] : data;\n                switch (transaction.type) {\n                    case TransactionType.ADD:\n                        //  if there is no parent this is ADD row at root level\n                        if (parent && !parent[childDataKey]) {\n                            parent[childDataKey] = collection = [];\n                        }\n                        collection.push(transaction.newValue);\n                        break;\n                    case TransactionType.UPDATE:\n                        const updateIndex = collection.findIndex(x => x[primaryKey] === transaction.id);\n                        if (updateIndex !== -1) {\n                            collection[updateIndex] = mergeObjects(cloneValue(collection[updateIndex]), transaction.newValue);\n                        }\n                        break;\n                    case TransactionType.DELETE:\n                        if (deleteRows) {\n                            const deleteIndex = collection.findIndex(r => r[primaryKey] === transaction.id);\n                            if (deleteIndex !== -1) {\n                                collection.splice(deleteIndex, 1);\n                            }\n                        }\n                        break;\n                }\n            } else {\n                //  if there is no path this is ADD row in root. Push the newValue to data\n                data.push(transaction.newValue);\n            }\n        }\n        return data;\n    }\n\n    public static parseValue(dataType: DataType, value: any): any {\n        if (dataType === DataType.Number) {\n            value = parseFloat(value);\n        }\n\n        return value;\n    }\n\n    private static findParentFromPath(data: any[], primaryKey: any, childDataKey: any, path: any[]): any {\n        let collection: any[] = data;\n        let result: any;\n\n        for (const id of path) {\n            result = collection && collection.find(x => x[primaryKey] === id);\n            if (!result) {\n                break;\n            }\n\n            collection = result[childDataKey];\n        }\n\n        return result;\n    }\n}\n"]}