igniteui-angular
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Ignite UI for Angular is a dependency-free Angular toolkit for building modern web apps
180 lines • 16.3 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import { Pipe } from '@angular/core';
import { DataUtil } from '../../data-operations/data-util';
import { GridBaseAPIService } from '../api.service';
import { BaseFilteringStrategy } from '../../data-operations/filtering-strategy';
/**
* @hidden
*/
export class TreeGridFilteringStrategy extends BaseFilteringStrategy {
/**
* @param {?} data
* @param {?} expressionsTree
* @return {?}
*/
filter(data, expressionsTree) {
return this.filterImpl(data, expressionsTree, undefined);
}
/**
* @private
* @param {?} data
* @param {?} expressionsTree
* @param {?} parent
* @return {?}
*/
filterImpl(data, expressionsTree, parent) {
/** @type {?} */
let i;
/** @type {?} */
let rec;
/** @type {?} */
const len = data.length;
/** @type {?} */
const res = [];
if (!expressionsTree || !expressionsTree.filteringOperands || expressionsTree.filteringOperands.length === 0 || !len) {
return data;
}
for (i = 0; i < len; i++) {
rec = DataUtil.cloneTreeGridRecord(data[i]);
rec.parent = parent;
if (rec.children) {
/** @type {?} */
const filteredChildren = this.filterImpl(rec.children, expressionsTree, rec);
rec.children = filteredChildren.length > 0 ? filteredChildren : null;
}
if (this.matchRecord(rec, expressionsTree)) {
res.push(rec);
}
else if (rec.children && rec.children.length > 0) {
rec.isFilteredOutParent = true;
res.push(rec);
}
}
return res;
}
/**
* @protected
* @param {?} rec
* @param {?} fieldName
* @return {?}
*/
getFieldValue(rec, fieldName) {
/** @type {?} */
const hierarchicalRecord = (/** @type {?} */ (rec));
return hierarchicalRecord.data[fieldName];
}
}
/**
* @hidden
*/
export class IgxTreeGridFilteringPipe {
/**
* @param {?} gridAPI
*/
constructor(gridAPI) {
this.gridAPI = (/** @type {?} */ (gridAPI));
}
/**
* @param {?} hierarchyData
* @param {?} expressionsTree
* @param {?} id
* @param {?} pipeTrigger
* @return {?}
*/
transform(hierarchyData, expressionsTree, id, pipeTrigger) {
/** @type {?} */
const grid = this.gridAPI.grid;
/** @type {?} */
const state = {
expressionsTree: expressionsTree,
strategy: new TreeGridFilteringStrategy()
};
this.resetFilteredOutProperty(grid.records);
if (!state.expressionsTree ||
!state.expressionsTree.filteringOperands ||
state.expressionsTree.filteringOperands.length === 0) {
grid.filteredData = null;
return hierarchyData;
}
/** @type {?} */
const result = this.filter(hierarchyData, state);
/** @type {?} */
const filteredData = [];
this.expandAllRecursive(grid, result, grid.expansionStates, filteredData);
grid.filteredData = filteredData;
return result;
}
/**
* @private
* @param {?} map
* @return {?}
*/
resetFilteredOutProperty(map) {
/** @type {?} */
const keys = Array.from(map.keys());
for (let i = 0; i < keys.length; i++) {
map.get(keys[i]).isFilteredOutParent = undefined;
}
}
/**
* @private
* @param {?} grid
* @param {?} data
* @param {?} expandedStates
* @param {?} filteredData
* @return {?}
*/
expandAllRecursive(grid, data, expandedStates, filteredData) {
for (let i = 0; i < data.length; i++) {
/** @type {?} */
const rec = data[i];
filteredData.push(rec.data);
this.updateNonProcessedRecord(grid, rec);
if (rec.children && rec.children.length > 0) {
expandedStates.set(rec.rowID, true);
this.expandAllRecursive(grid, rec.children, expandedStates, filteredData);
}
}
}
/**
* @private
* @param {?} grid
* @param {?} record
* @return {?}
*/
updateNonProcessedRecord(grid, record) {
/** @type {?} */
const rec = grid.records.get(record.rowID);
rec.isFilteredOutParent = record.isFilteredOutParent;
}
/**
* @private
* @param {?} data
* @param {?} state
* @return {?}
*/
filter(data, state) {
return state.strategy.filter(data, state.expressionsTree);
}
}
IgxTreeGridFilteringPipe.decorators = [
{ type: Pipe, args: [{
name: 'treeGridFiltering',
pure: true
},] }
];
/** @nocollapse */
IgxTreeGridFilteringPipe.ctorParameters = () => [
{ type: GridBaseAPIService }
];
if (false) {
/**
* @type {?}
* @private
*/
IgxTreeGridFilteringPipe.prototype.gridAPI;
}
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{ Pipe, PipeTransform } from '@angular/core';\nimport { DataUtil } from '../../data-operations/data-util';\nimport { GridBaseAPIService } from '../api.service';\nimport { IgxTreeGridComponent } from './tree-grid.component';\nimport { IFilteringExpressionsTree } from '../../data-operations/filtering-expressions-tree';\nimport { BaseFilteringStrategy } from '../../data-operations/filtering-strategy';\nimport { IFilteringState } from '../../data-operations/filtering-state.interface';\nimport { ITreeGridRecord } from './tree-grid.interfaces';\nimport { IgxTreeGridAPIService } from './tree-grid-api.service';\nimport { IgxGridBaseComponent, IGridDataBindable } from '../grid';\n\n/** @hidden */\nexport class TreeGridFilteringStrategy extends BaseFilteringStrategy {\n    public filter(data: ITreeGridRecord[], expressionsTree: IFilteringExpressionsTree): ITreeGridRecord[] {\n        return this.filterImpl(data, expressionsTree, undefined);\n    }\n\n    private filterImpl(data: ITreeGridRecord[], expressionsTree: IFilteringExpressionsTree, parent: ITreeGridRecord): ITreeGridRecord[] {\n        let i: number;\n        let rec: ITreeGridRecord;\n        const len = data.length;\n        const res: ITreeGridRecord[] = [];\n        if (!expressionsTree || !expressionsTree.filteringOperands || expressionsTree.filteringOperands.length === 0 || !len) {\n            return data;\n        }\n        for (i = 0; i < len; i++) {\n            rec = DataUtil.cloneTreeGridRecord(data[i]);\n            rec.parent = parent;\n            if (rec.children) {\n                const filteredChildren = this.filterImpl(rec.children, expressionsTree, rec);\n                rec.children = filteredChildren.length > 0 ? filteredChildren : null;\n            }\n\n            if (this.matchRecord(rec, expressionsTree)) {\n                res.push(rec);\n            } else if (rec.children && rec.children.length > 0) {\n                rec.isFilteredOutParent = true;\n                res.push(rec);\n            }\n        }\n        return res;\n    }\n\n    protected getFieldValue(rec: object, fieldName: string): any {\n        const hierarchicalRecord = <ITreeGridRecord>rec;\n        return hierarchicalRecord.data[fieldName];\n    }\n}\n\n/** @hidden */\n@Pipe({\n    name: 'treeGridFiltering',\n    pure: true\n})\nexport class IgxTreeGridFilteringPipe implements PipeTransform {\n    private gridAPI: IgxTreeGridAPIService;\n\n    constructor(gridAPI: GridBaseAPIService<IgxGridBaseComponent & IGridDataBindable>) {\n        this.gridAPI = <IgxTreeGridAPIService>gridAPI;\n     }\n\n    public transform(hierarchyData: ITreeGridRecord[], expressionsTree: IFilteringExpressionsTree,\n        id: string, pipeTrigger: number): ITreeGridRecord[] {\n        const grid: IgxTreeGridComponent = this.gridAPI.grid;\n        const state = {\n            expressionsTree: expressionsTree,\n            strategy: new TreeGridFilteringStrategy()\n        };\n\n        this.resetFilteredOutProperty(grid.records);\n\n        if (!state.expressionsTree ||\n            !state.expressionsTree.filteringOperands ||\n            state.expressionsTree.filteringOperands.length === 0) {\n            grid.filteredData = null;\n            return hierarchyData;\n        }\n\n        const result = this.filter(hierarchyData, state);\n        const filteredData: any[] = [];\n        this.expandAllRecursive(grid, result, grid.expansionStates, filteredData);\n        grid.filteredData = filteredData;\n\n        return result;\n    }\n\n    private resetFilteredOutProperty(map: Map<any, ITreeGridRecord>) {\n        const keys = Array.from(map.keys());\n        for (let i = 0; i < keys.length; i++) {\n            map.get(keys[i]).isFilteredOutParent = undefined;\n        }\n    }\n\n    private expandAllRecursive(grid: IgxTreeGridComponent, data: ITreeGridRecord[],\n        expandedStates: Map<any, boolean>, filteredData: any[]) {\n        for (let i = 0; i < data.length; i++) {\n            const rec = data[i];\n            filteredData.push(rec.data);\n            this.updateNonProcessedRecord(grid, rec);\n\n            if (rec.children && rec.children.length > 0) {\n                expandedStates.set(rec.rowID, true);\n                this.expandAllRecursive(grid, rec.children, expandedStates, filteredData);\n            }\n        }\n    }\n\n    private updateNonProcessedRecord(grid: IgxTreeGridComponent, record: ITreeGridRecord) {\n        const rec = grid.records.get(record.rowID);\n        rec.isFilteredOutParent = record.isFilteredOutParent;\n    }\n\n    private filter(data: ITreeGridRecord[], state: IFilteringState): ITreeGridRecord[] {\n        return state.strategy.filter(data, state.expressionsTree);\n    }\n}\n"]}