@ux-aspects/ux-aspects
Version:
Open source user interface framework for building modern, responsive, mobile big data applications
90 lines • 14.4 kB
JavaScript
import { Injectable } from '@angular/core';
import { isColumnPickerGroupItem } from './interfaces/column-picker-group-item.interface';
import * as i0 from "@angular/core";
export class ColumnPickerService {
getDeselectedColumnsInPresentationOrder(deselected, sort) {
let columns;
if (sort) {
const normalizedColumns = this.normalizeColumns(deselected);
normalizedColumns.sort(sort);
columns = this.denormalizeColumns(normalizedColumns, deselected);
}
else {
const grouped = deselected.filter(column => isColumnPickerGroupItem(column) && column.group !== undefined);
columns = [
...grouped,
...deselected.filter(column => grouped.indexOf(column) === -1)
];
}
return columns;
}
createTreeData(columns) {
const treeData = [];
const groupedColumns = columns.filter(column => isColumnPickerGroupItem(column) && column.group !== undefined);
columns.forEach((column) => {
if (groupedColumns.indexOf(column) !== -1 && isColumnPickerGroupItem(column)) {
const groupNode = this.createOrFindGroupNode(column, treeData);
groupNode.children.push(column.name);
this.createColumnTreeNode(column, treeData, 1);
}
else if (!isColumnPickerGroupItem(column)) {
this.createColumnTreeNode(column, treeData, 0);
}
});
return treeData;
}
normalizeColumns(columns) {
return columns.map(column => ({
name: isColumnPickerGroupItem(column) ? column.name : column,
group: isColumnPickerGroupItem(column) ? column.group : undefined
}));
}
denormalizeColumns(normalizedColumns, originalColumns) {
return normalizedColumns.map(normalized => {
const original = originalColumns.find(originalColumn => {
if (isColumnPickerGroupItem(originalColumn)) {
return originalColumn.group === normalized.group && originalColumn.name === normalized.name;
}
return false;
});
// Anything not found in the original array must have been normalized from a string
return original ? original : normalized.name;
});
}
createOrFindGroupNode(column, treeData) {
let groupNode = treeData.find(node => node.name === column.group && node.expandable);
if (!groupNode) {
groupNode = this.createGroupTreeNode(column, treeData);
}
return groupNode;
}
createGroupTreeNode(column, treeData) {
treeData.push({
name: column.group,
level: 0,
expandable: true,
isExpanded: this.isGroupTreeNodeExpanded(column.group),
column,
children: []
});
return treeData[treeData.length - 1];
}
createColumnTreeNode(column, treeData, level) {
treeData.push({
name: isColumnPickerGroupItem(column) ? column.name : column,
level,
expandable: false,
column
});
}
isGroupTreeNodeExpanded(groupName) {
const groupTreeNode = this.groups.find(group => group.name === groupName);
return groupTreeNode ? groupTreeNode.expanded : false;
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.12", ngImport: i0, type: ColumnPickerService, deps: [], target: i0.ɵɵFactoryTarget.Injectable }); }
static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.12", ngImport: i0, type: ColumnPickerService }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.12", ngImport: i0, type: ColumnPickerService, decorators: [{
type: Injectable
}] });
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{ Injectable } from '@angular/core';\nimport { ColumnPickerGroup } from './column-picker.component';\nimport { ColumnPickerTreeNode } from './interfaces/column-picker-tree-node.interface';\nimport { ColumnPickerGroupItem, isColumnPickerGroupItem } from './interfaces/column-picker-group-item.interface';\n\n@Injectable()\nexport class ColumnPickerService {\n\n    groups: ColumnPickerGroup[];\n\n    getDeselectedColumnsInPresentationOrder(\n        deselected: (string | ColumnPickerGroupItem)[],\n        sort: (a: ColumnPickerGroupItem, b: ColumnPickerGroupItem) => number\n    ): (string | ColumnPickerGroupItem)[] {\n\n        let columns: (string | ColumnPickerGroupItem)[];\n\n        if (sort) {\n            const normalizedColumns = this.normalizeColumns(deselected);\n            normalizedColumns.sort(sort);\n            columns = this.denormalizeColumns(normalizedColumns, deselected);\n        } else {\n            const grouped = deselected.filter(column => isColumnPickerGroupItem(column) && column.group !== undefined);\n            columns = [\n                ...grouped,\n                ...deselected.filter(column => grouped.indexOf(column) === -1)\n            ];\n        }\n\n        return columns;\n    }\n\n    createTreeData(columns: (string | ColumnPickerGroupItem)[]): ColumnPickerTreeNode[] {\n        const treeData: ColumnPickerTreeNode[] = [];\n        const groupedColumns = columns.filter(column => isColumnPickerGroupItem(column) && column.group !== undefined);\n\n        columns.forEach((column: (string | ColumnPickerGroupItem)) => {\n            if (groupedColumns.indexOf(column) !== -1 && isColumnPickerGroupItem(column)) {\n                const groupNode = this.createOrFindGroupNode(column, treeData);\n                groupNode.children.push(column.name);\n                this.createColumnTreeNode(column, treeData, 1);\n\n            } else if (!isColumnPickerGroupItem(column)) {\n                this.createColumnTreeNode(column, treeData, 0);\n            }\n        });\n\n        return treeData;\n    }\n\n    private normalizeColumns(columns: (string | ColumnPickerGroupItem)[]): ColumnPickerGroupItem[] {\n        return columns.map(column => ({\n            name: isColumnPickerGroupItem(column) ? column.name : column,\n            group: isColumnPickerGroupItem(column) ? column.group : undefined\n        }));\n    }\n\n    private denormalizeColumns(normalizedColumns: ColumnPickerGroupItem[], originalColumns: (string | ColumnPickerGroupItem)[]): (string | ColumnPickerGroupItem)[] {\n        return normalizedColumns.map(normalized => {\n            const original = originalColumns.find(originalColumn => {\n                if (isColumnPickerGroupItem(originalColumn)) {\n                    return originalColumn.group === normalized.group && originalColumn.name === normalized.name;\n                }\n                return false;\n            });\n            // Anything not found in the original array must have been normalized from a string\n            return original ? original : normalized.name;\n          });\n    }\n\n    private createOrFindGroupNode(column: ColumnPickerGroupItem, treeData: ColumnPickerTreeNode[]): ColumnPickerTreeNode {\n        let groupNode = treeData.find(node => node.name === column.group && node.expandable);\n        if (!groupNode) {\n            groupNode = this.createGroupTreeNode(column, treeData);\n        }\n\n        return groupNode;\n    }\n\n    private createGroupTreeNode(column: ColumnPickerGroupItem, treeData: ColumnPickerTreeNode[]): ColumnPickerTreeNode {\n        treeData.push({\n            name: column.group,\n            level: 0,\n            expandable: true,\n            isExpanded: this.isGroupTreeNodeExpanded(column.group),\n            column,\n            children: []\n        });\n\n        return treeData[treeData.length - 1];\n    }\n\n    private createColumnTreeNode(column: (string | ColumnPickerGroupItem), treeData: ColumnPickerTreeNode[], level: number): void {\n        treeData.push({\n            name: isColumnPickerGroupItem(column) ? column.name : column,\n            level,\n            expandable: false,\n            column\n        });\n    }\n\n    private isGroupTreeNodeExpanded(groupName: string): boolean {\n        const groupTreeNode = this.groups.find(group => group.name === groupName);\n        return groupTreeNode ? groupTreeNode.expanded : false;\n    }\n}\n"]}