devextreme/dist/transpiled/ui/collection/ui.collection_widget.edit.strategy.plain.js

HTML5 JavaScript Component Suite for Responsive Web Development

"use strict";

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

var inArray = require("../../core/utils/array").inArray,
    EditStrategy = require("./ui.collection_widget.edit.strategy");

var PlainEditStrategy = EditStrategy.inherit({

    _getPlainItems: function _getPlainItems() {
        return this._collectionWidget.option("items") || [];
    },

    getIndexByItemData: function getIndexByItemData(itemData) {
        var keyOf = this._collectionWidget.keyOf.bind(this._collectionWidget);
        if (keyOf) {
            return this.getIndexByKey(keyOf(itemData));
        } else {
            return inArray(itemData, this._getPlainItems());
        }
    },

    getItemDataByIndex: function getItemDataByIndex(index) {
        return this._getPlainItems()[index];
    },

    deleteItemAtIndex: function deleteItemAtIndex(index) {
        this._getPlainItems().splice(index, 1);
    },

    itemsGetter: function itemsGetter() {
        return this._getPlainItems();
    },

    getKeysByItems: function getKeysByItems(items) {
        var keyOf = this._collectionWidget.keyOf.bind(this._collectionWidget);
        var result = items;
        if (keyOf) {
            result = [];
            for (var i = 0; i < items.length; i++) {
                result.push(keyOf(items[i]));
            }
        }
        return result;
    },

    getIndexByKey: function getIndexByKey(key) {
        var cache = this._cache,
            keys = cache && cache.keys || this.getKeysByItems(this._getPlainItems());

        if (cache && !cache.keys) {
            cache.keys = keys;
        }

        if ((typeof key === "undefined" ? "undefined" : _typeof(key)) === "object") {
            for (var i = 0, length = keys.length; i < length; i++) {
                if (this._equalKeys(key, keys[i])) return i;
            }
        } else {
            return keys.indexOf(key);
        }

        return -1;
    },

    getItemsByKeys: function getItemsByKeys(keys, items) {
        return (items || keys).slice();
    },

    moveItemAtIndexToIndex: function moveItemAtIndexToIndex(movingIndex, destinationIndex) {
        var items = this._getPlainItems(),
            movedItemData = items[movingIndex];

        items.splice(movingIndex, 1);
        items.splice(destinationIndex, 0, movedItemData);
    },

    _isItemIndex: function _isItemIndex(index) {
        return typeof index === "number" && Math.round(index) === index;
    },

    _getNormalizedItemIndex: function _getNormalizedItemIndex(itemElement) {
        return this._collectionWidget._itemElements().index(itemElement);
    },

    _normalizeItemIndex: function _normalizeItemIndex(index) {
        return index;
    },

    _denormalizeItemIndex: function _denormalizeItemIndex(index) {
        return index;
    },

    _getItemByNormalizedIndex: function _getItemByNormalizedIndex(index) {
        return index > -1 ? this._collectionWidget._itemElements().eq(index) : null;
    },

    _itemsFromSameParent: function _itemsFromSameParent() {
        return true;
    }

});

module.exports = PlainEditStrategy;