@aurigma/design-atoms/Commands/SelectionCommand/SelectItemsCommand.js

Design Atoms is a part of Customer's Canvas SDK which allows for manipulating individual design elements through your code.

import { BaseCommand } from "../BaseCommand";
import { BaseTextItemHandler, NewBaseTextItemHandler } from "../../ItemHandlers";
import { MultiSelectMode } from "@aurigma/design-atoms-interfaces";
export { MultiSelectMode } from "@aurigma/design-atoms-interfaces";
export class SelectItemsCommand extends BaseCommand {
    constructor(_productHandler, args, _canvas = null) {
        super(args);
        this._productHandler = _productHandler;
        this._canvas = _canvas;
    }
    async execute() {
        if (this._canvas == null)
            return;
        const itemHandlers = [];
        const items = this._getTargetItems(this._args.items, this._args.query, this._args.queryOptions);
        const multiselection = this._args.multiSelectMode != null ? this._args.multiSelectMode : MultiSelectMode.None;
        items.forEach(item => {
            const itemHandler = this._productHandler.getHandler(item);
            let canSelectInvisible = false;
            if ((itemHandler instanceof BaseTextItemHandler || itemHandler instanceof NewBaseTextItemHandler)
                && itemHandler.isEmpty()) {
                canSelectInvisible = true;
            }
            if (itemHandler == null || itemHandler.isLocked() || (!itemHandler.isVisible() && !canSelectInvisible))
                return;
            if (this._canvas.isItemHandlerSelected(itemHandler) && multiselection === MultiSelectMode.Invert) {
                this._canvas.removeSelectedItemHandler(itemHandler);
            }
            else if (multiselection !== MultiSelectMode.None) {
                if (!this._canvas.getSelectedItemHandlers().contains(itemHandler))
                    this._canvas.addSelectedItemHandler(itemHandler);
            }
            else {
                itemHandlers.push(itemHandler);
            }
            this.lastSelectedItem = item;
        });
        if (multiselection === MultiSelectMode.None)
            this._canvas.setSelectedItemHandlers(itemHandlers);
        this._canvas.redraw();
    }
    _getTargetItems(items, query, queryOptions) {
        if (items != null) {
            return items;
        }
        else if (query != null) {
            return this._productHandler.queryItems(query, queryOptions);
        }
        else {
            return [];
        }
    }
}
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